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       <string>Curves and Surfaces</string>
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               <string>Regression 2D</string>
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                      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Select point(s) used for 2D regression.&lt;/p&gt;&lt;p&gt;- Select as much as Points as needed ;&lt;/p&gt;&lt;p&gt;- Then click on this button.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
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                   <string>Estimation by</string>
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                       <string>Least squares Polynomial Regression</string>
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                      <widget class="QLabel" name="label">
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                        <string>Degree</string>
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                     <item>
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                      <string>Type of 2D Curve :</string>
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                              <string>absc.  min</string>
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                              <string>absc. max</string>
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                              <string>step</string>
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                          <widget class="QLabel" name="label_Reg2DCurve_z">
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                           <property name="text">
                            <string>Z cst.</string>
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                             <width>40</width>
                             <height>0</height>
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                           <property name="maximumSize">
                            <size>
                             <width>150</width>
                             <height>16777215</height>
                            </size>
                           </property>
                           <property name="toolTip">
                            <string>The constant coordinate value of the 2D curve</string>
                           </property>
                           <property name="text">
                            <string>0.0</string>
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                 </widget>
                </widget>
               </item>
               <item row="1" column="0">
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                 <item>
                  <widget class="QPushButton" name="Reg2DCurve_button_apply">
                   <property name="minimumSize">
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                     <width>40</width>
                     <height>0</height>
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                   <property name="maximumSize">
                    <size>
                     <width>60</width>
                     <height>16777215</height>
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                   <property name="toolTip">
                    <string>Click to visualize the curve.</string>
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                   <property name="text">
                    <string>Apply</string>
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                  </widget>
                 </item>
                 <item>
                  <spacer name="horizontalSpacer_3">
                   <property name="orientation">
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               </item>
              </layout>
             </widget>
             <widget class="QWidget" name="Wire_Tab2_3">
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               <string>Parametric 2D</string>
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                   <item row="0" column="0">
                    <layout class="QHBoxLayout" name="horizontalLayout_59">
                     <item>
                      <widget class="QComboBox" name="ParCurve_comboBox_2">
                       <property name="toolTip">
                        <string>Choose another curve from the list.</string>
                       </property>
                      </widget>
                     </item>
                     <item>
                      <widget class="QPushButton" name="ParCurve_button_edit_2">
                       <property name="minimumSize">
                        <size>
                         <width>40</width>
                         <height>0</height>
                        </size>
                       </property>
                       <property name="maximumSize">
                        <size>
                         <width>60</width>
                         <height>16777215</height>
                        </size>
                       </property>
                       <property name="toolTip">
                        <string>Click to access to a table where you can edit all parameters of all curves and 
save your custom curves.</string>
                       </property>
                       <property name="text">
                        <string>Edit</string>
                       </property>
                      </widget>
                     </item>
                    </layout>
                   </item>
                   <item row="1" column="0">
                    <layout class="QHBoxLayout" name="horizontalLayout_60">
                     <item>
                      <widget class="QLabel" name="label_name_2">
                       <property name="frameShape">
                        <enum>QFrame::Box</enum>
                       </property>
                       <property name="frameShadow">
                        <enum>QFrame::Raised</enum>
                       </property>
                       <property name="lineWidth">
                        <number>3</number>
                       </property>
                       <property name="text">
                        <string>Name</string>
                       </property>
                       <property name="alignment">
                        <set>Qt::AlignCenter</set>
                       </property>
                      </widget>
                     </item>
                     <item>
                      <widget class="QLineEdit" name="ParCurve_name_2">
                       <property name="text">
                        <string>Circle</string>
                       </property>
                      </widget>
                     </item>
                    </layout>
                   </item>
                   <item row="2" column="0">
                    <layout class="QHBoxLayout" name="horizontalLayout_2">
                     <item>
                      <widget class="QLabel" name="label_dim_2">
                       <property name="text">
                        <string>Select 2 axis</string>
                       </property>
                      </widget>
                     </item>
                     <item>
                      <widget class="QComboBox" name="ParCurve_combo_dim_2D">
                       <property name="enabled">
                        <bool>false</bool>
                       </property>
                       <item>
                        <property name="text">
                         <string>XY</string>
                        </property>
                       </item>
                       <item>
                        <property name="text">
                         <string>YX</string>
                        </property>
                       </item>
                       <item>
                        <property name="text">
                         <string>XZ</string>
                        </property>
                       </item>
                       <item>
                        <property name="text">
                         <string>ZX</string>
                        </property>
                       </item>
                       <item>
                        <property name="text">
                         <string>YZ</string>
                        </property>
                       </item>
                       <item>
                        <property name="text">
                         <string>ZY</string>
                        </property>
                       </item>
                      </widget>
                     </item>
                    </layout>
                   </item>
                   <item row="4" column="0">
                    <widget class="QGroupBox" name="groupBox_16">
                     <property name="title">
                      <string>Type of 2D Curve :</string>
                     </property>
                     <layout class="QGridLayout" name="gridLayout_2">
                      <item row="0" column="0">
                       <widget class="QCheckBox" name="checkBox_points_2">
                        <property name="text">
                         <string>Points</string>
                        </property>
                        <property name="autoExclusive">
                         <bool>true</bool>
                        </property>
                       </widget>
                      </item>
                      <item row="0" column="1">
                       <widget class="QCheckBox" name="checkBox_polyline_2">
                        <property name="text">
                         <string>Polyline</string>
                        </property>
                        <property name="checked">
                         <bool>true</bool>
                        </property>
                        <property name="autoExclusive">
                         <bool>true</bool>
                        </property>
                       </widget>
                      </item>
                      <item row="1" column="0">
                       <widget class="QCheckBox" name="checkBox_bezier_2">
                        <property name="enabled">
                         <bool>true</bool>
                        </property>
                        <property name="text">
                         <string>Bezier</string>
                        </property>
                        <property name="checked">
                         <bool>false</bool>
                        </property>
                        <property name="autoExclusive">
                         <bool>true</bool>
                        </property>
                       </widget>
                      </item>
                      <item row="1" column="1">
                       <widget class="QCheckBox" name="checkBox_bspline_2">
                        <property name="enabled">
                         <bool>true</bool>
                        </property>
                        <property name="text">
                         <string>Bspline</string>
                        </property>
                        <property name="checked">
                         <bool>false</bool>
                        </property>
                        <property name="autoExclusive">
                         <bool>true</bool>
                        </property>
                       </widget>
                      </item>
                     </layout>
                    </widget>
                   </item>
                   <item row="5" column="0">
                    <layout class="QHBoxLayout" name="horizontalLayout_61">
                     <item>
                      <widget class="QCheckBox" name="checkBox_close_2">
                       <property name="enabled">
                        <bool>true</bool>
                       </property>
                       <property name="text">
                        <string>Closed curve</string>
                       </property>
                      </widget>
                     </item>
                     <item>
                      <widget class="QCheckBox" name="checkBox_face_2">
                       <property name="enabled">
                        <bool>false</bool>
                       </property>
                       <property name="text">
                        <string>Create Face</string>
                       </property>
                      </widget>
                     </item>
                    </layout>
                   </item>
                   <item row="6" column="0">
                    <layout class="QHBoxLayout" name="horizontalLayout_62">
                     <item>
                      <widget class="QPushButton" name="ParCurve_button_store_2">
                       <property name="minimumSize">
                        <size>
                         <width>40</width>
                         <height>0</height>
                        </size>
                       </property>
                       <property name="maximumSize">
                        <size>
                         <width>60</width>
                         <height>16777215</height>
                        </size>
                       </property>
                       <property name="toolTip">
                        <string>Click to store the current edited curve into the table.
To save your curve you need to go to &quot;Edit&quot;.</string>
                       </property>
                       <property name="text">
                        <string>Store</string>
                       </property>
                      </widget>
                     </item>
                     <item>
                      <spacer name="horizontalSpacer_8">
                       <property name="orientation">
                        <enum>Qt::Horizontal</enum>
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                       <property name="sizeHint" stdset="0">
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                         <width>40</width>
                         <height>20</height>
                        </size>
                       </property>
                      </spacer>
                     </item>
                     <item>
                      <widget class="QPushButton" name="ParCurve_button_apply_2">
                       <property name="minimumSize">
                        <size>
                         <width>40</width>
                         <height>0</height>
                        </size>
                       </property>
                       <property name="maximumSize">
                        <size>
                         <width>60</width>
                         <height>16777215</height>
                        </size>
                       </property>
                       <property name="toolTip">
                        <string>Click to visualize the curve.</string>
                       </property>
                       <property name="text">
                        <string>Apply</string>
                       </property>
                      </widget>
                     </item>
                    </layout>
                   </item>
                   <item row="3" column="0">
                    <widget class="QTabWidget" name="tabWidget">
                     <property name="currentIndex">
                      <number>0</number>
                     </property>
                     <widget class="QWidget" name="Equation_tab_2">
                      <attribute name="title">
                       <string>Equation</string>
                      </attribute>
                      <layout class="QGridLayout" name="gridLayout_23">
                       <item row="0" column="0">
                        <widget class="QGroupBox" name="groupBox_14">
                         <property name="toolTip">
                          <string/>
                         </property>
                         <property name="title">
                          <string/>
                         </property>
                         <layout class="QGridLayout" name="gridLayout_22">
                          <item row="0" column="0">
                           <layout class="QHBoxLayout" name="horizontalLayout_7">
                            <item>
                             <layout class="QVBoxLayout" name="verticalLayout_6">
                              <item>
                               <layout class="QHBoxLayout" name="horizontalLayout_3">
                                <item>
                                 <widget class="QLabel" name="label_a_3">
                                  <property name="maximumSize">
                                   <size>
                                    <width>70</width>
                                    <height>16777215</height>
                                   </size>
                                  </property>
                                  <property name="layoutDirection">
                                   <enum>Qt::LeftToRight</enum>
                                  </property>
                                  <property name="text">
                                   <string>a (t) </string>
                                  </property>
                                  <property name="alignment">
                                   <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                  </property>
                                 </widget>
                                </item>
                                <item>
                                 <widget class="QLineEdit" name="ParCurve_a_2">
                                  <property name="sizePolicy">
                                   <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                                    <horstretch>0</horstretch>
                                    <verstretch>0</verstretch>
                                   </sizepolicy>
                                  </property>
                                  <property name="minimumSize">
                                   <size>
                                    <width>40</width>
                                    <height>0</height>
                                   </size>
                                  </property>
                                  <property name="maximumSize">
                                   <size>
                                    <width>150</width>
                                    <height>16777215</height>
                                   </size>
                                  </property>
                                  <property name="toolTip">
                                   <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;The function 'range' from Python and 'np.arange' from numpy module can be used here:&lt;/p&gt;&lt;p&gt;range([start,] stop[, step])&lt;/p&gt;&lt;p&gt;  start : Starting number of the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The interval includes this value. The default value is 0&lt;/span&gt;&lt;/p&gt;&lt;p&gt;  stop : Generate numbers up to, but not including this number.&lt;/p&gt;&lt;p&gt;  step : Difference between each number in  the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The default value is 1.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;p&gt;np.arange([start,] stop[, step,]dtype=None)&lt;/p&gt;&lt;p&gt;Return evenly spaced values within a given interval.&lt;/p&gt;&lt;p&gt;  start : Starting number of the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The interval includes this value. The default value is 0&lt;/span&gt;&lt;/p&gt;&lt;p&gt;  stop : &lt;span style=&quot; vertical-align:top;&quot;&gt;End of interval. The interval does not include this value, except in some cases where &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;step&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; is not an integer and floating point round-off affects the length of &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;out&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;  step : Difference between each number in  the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;For any output &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;out&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;, this is the distance between two adjacent values. The default value is 1.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;If &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;step&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; is specified, &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;start&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; must also be given.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;  dtype : The type of the output array. if dtype &lt;span style=&quot; vertical-align:top;&quot;&gt;is not given, infer the data type from the other input arguments.&lt;/span&gt;&lt;br/&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
                                  </property>
                                  <property name="text">
                                   <string>10    # Radius</string>
                                  </property>
                                  <property name="maxLength">
                                   <number>32769</number>
                                  </property>
                                 </widget>
                                </item>
                               </layout>
                              </item>
                              <item>
                               <layout class="QHBoxLayout" name="horizontalLayout_4">
                                <item>
                                 <widget class="QLabel" name="label_b_3">
                                  <property name="maximumSize">
                                   <size>
                                    <width>70</width>
                                    <height>16777215</height>
                                   </size>
                                  </property>
                                  <property name="text">
                                   <string>b (a, t) </string>
                                  </property>
                                  <property name="alignment">
                                   <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                  </property>
                                 </widget>
                                </item>
                                <item>
                                 <widget class="QLineEdit" name="ParCurve_b_2">
                                  <property name="sizePolicy">
                                   <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                                    <horstretch>0</horstretch>
                                    <verstretch>0</verstretch>
                                   </sizepolicy>
                                  </property>
                                  <property name="minimumSize">
                                   <size>
                                    <width>40</width>
                                    <height>0</height>
                                   </size>
                                  </property>
                                  <property name="maximumSize">
                                   <size>
                                    <width>150</width>
                                    <height>16777215</height>
                                   </size>
                                  </property>
                                  <property name="toolTip">
                                   <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;The function 'range' from Python and 'np.arange' from numpy module can be used here:&lt;/p&gt;&lt;p&gt;range([start,] stop[, step])&lt;/p&gt;&lt;p&gt;start : Starting number of the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The interval includes this value. The default value is 0&lt;/span&gt;&lt;/p&gt;&lt;p&gt;stop : Generate numbers up to, but not including this number.&lt;/p&gt;&lt;p&gt;step : Difference between each number in the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The default value is 1.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;p&gt;np.arange([start,] stop[, step,]dtype=None)&lt;/p&gt;&lt;p&gt;Return evenly spaced values within a given interval.&lt;/p&gt;&lt;p&gt;start : Starting number of the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The interval includes this value. The default value is 0&lt;/span&gt;&lt;/p&gt;&lt;p&gt;stop : &lt;span style=&quot; vertical-align:top;&quot;&gt;End of interval. The interval does not include this value, except in some cases where &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;step&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; is not an integer and floating point round-off affects the length of &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;out&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;step : Difference between each number in the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;For any output &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;out&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;, this is the distance between two adjacent values. The default value is 1.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;If &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;step&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; is specified, &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;start&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; must also be given.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;dtype : The type of the output array. if dtype &lt;span style=&quot; vertical-align:top;&quot;&gt;is not given, infer the data type from the other input arguments.&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
                                  </property>
                                  <property name="text">
                                   <string>a</string>
                                  </property>
                                  <property name="maxLength">
                                   <number>32769</number>
                                  </property>
                                 </widget>
                                </item>
                               </layout>
                              </item>
                             </layout>
                            </item>
                           </layout>
                          </item>
                          <item row="1" column="0">
                           <widget class="QCheckBox" name="checkBox_polar_2">
                            <property name="toolTip">
                             <string>Toggle for Polar coordinates:
then FIRST input field is interpreted as radius
 and SECOND input field is interpreted as angle phi

Polar coordinates (r, phi) as commonly used in physics: 
 If P(x, y) is the considered point in 3D space;
    Radial distance r ( &gt; 0.0 ),  is the Euclidean distance from 
    the origin O (0, 0) to P(x, y).The symbol rho is often used instead of r.
    The azimuthal angle phi (or azimuth) is the signed angle measured from the 
    azimuth reference direction to the segment OP on the reference plane XY ( 0 &lt;= phi &lt;= pi radians (0 deg and 180 deg)).</string>
                            </property>
                            <property name="text">
                             <string> Polar coord.</string>
                            </property>
                            <property name="autoExclusive">
                             <bool>true</bool>
                            </property>
                           </widget>
                          </item>
                          <item row="2" column="0">
                           <layout class="QGridLayout" name="gridLayout_4">
                            <item row="0" column="0">
                             <layout class="QHBoxLayout" name="horizontalLayout_6">
                              <item>
                               <widget class="QLabel" name="label_x_2">
                                <property name="maximumSize">
                                 <size>
                                  <width>70</width>
                                  <height>16777215</height>
                                 </size>
                                </property>
                                <property name="text">
                                 <string>X (a,b,t) </string>
                                </property>
                                <property name="alignment">
                                 <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                </property>
                               </widget>
                              </item>
                              <item>
                               <spacer name="horizontalSpacer_2">
                                <property name="orientation">
                                 <enum>Qt::Horizontal</enum>
                                </property>
                                <property name="sizeHint" stdset="0">
                                 <size>
                                  <width>40</width>
                                  <height>20</height>
                                 </size>
                                </property>
                               </spacer>
                              </item>
                             </layout>
                            </item>
                            <item row="1" column="0">
                             <widget class="QLineEdit" name="ParCurve_x_2">
                              <property name="sizePolicy">
                               <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
                                <horstretch>0</horstretch>
                                <verstretch>0</verstretch>
                               </sizepolicy>
                              </property>
                              <property name="minimumSize">
                               <size>
                                <width>0</width>
                                <height>0</height>
                               </size>
                              </property>
                              <property name="maximumSize">
                               <size>
                                <width>16777215</width>
                                <height>16777215</height>
                               </size>
                              </property>
                              <property name="toolTip">
                               <string>The function from Python math module can be used here:
safe_list = ['acos', 'asin', 'atan', 'atan2', 'ceil', 'cos', 'cosh',
 'degrees', 'e', 'exp', 'fabs', 'floor', 'fmod', 'frexp', 'hypot', 'ldexp',
 'log', 'log10', 'modf', 'pi', 'pow', 'radians', 'sin', 'sinh', 'sqrt', 'tan',
 'tanh']</string>
                              </property>
                              <property name="text">
                               <string>a*cos(t)</string>
                              </property>
                              <property name="maxLength">
                               <number>32769</number>
                              </property>
                             </widget>
                            </item>
                           </layout>
                          </item>
                          <item row="3" column="0">
                           <layout class="QGridLayout" name="gridLayout_21">
                            <item row="0" column="0">
                             <layout class="QHBoxLayout" name="horizontalLayout_5">
                              <item>
                               <widget class="QLabel" name="label_y_2">
                                <property name="maximumSize">
                                 <size>
                                  <width>70</width>
                                  <height>16777215</height>
                                 </size>
                                </property>
                                <property name="text">
                                 <string>Y (a,b,t) </string>
                                </property>
                                <property name="alignment">
                                 <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                </property>
                               </widget>
                              </item>
                              <item>
                               <spacer name="horizontalSpacer">
                                <property name="orientation">
                                 <enum>Qt::Horizontal</enum>
                                </property>
                                <property name="sizeHint" stdset="0">
                                 <size>
                                  <width>40</width>
                                  <height>20</height>
                                 </size>
                                </property>
                               </spacer>
                              </item>
                             </layout>
                            </item>
                            <item row="1" column="0">
                             <widget class="QLineEdit" name="ParCurve_y_2">
                              <property name="sizePolicy">
                               <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
                                <horstretch>0</horstretch>
                                <verstretch>0</verstretch>
                               </sizepolicy>
                              </property>
                              <property name="minimumSize">
                               <size>
                                <width>0</width>
                                <height>0</height>
                               </size>
                              </property>
                              <property name="maximumSize">
                               <size>
                                <width>16777215</width>
                                <height>16777215</height>
                               </size>
                              </property>
                              <property name="toolTip">
                               <string>The function from Python math module can be used here:
safe_list = ['acos', 'asin', 'atan', 'atan2', 'ceil', 'cos', 'cosh',
 'degrees', 'e', 'exp', 'fabs', 'floor', 'fmod', 'frexp', 'hypot', 'ldexp',
 'log', 'log10', 'modf', 'pi', 'pow', 'radians', 'sin', 'sinh', 'sqrt', 'tan',
 'tanh']</string>
                              </property>
                              <property name="text">
                               <string>b*sin(t)</string>
                              </property>
                              <property name="maxLength">
                               <number>32769</number>
                              </property>
                             </widget>
                            </item>
                           </layout>
                          </item>
                         </layout>
                        </widget>
                       </item>
                      </layout>
                     </widget>
                     <widget class="QWidget" name="Variables_tab_2">
                      <attribute name="title">
                       <string>Variables</string>
                      </attribute>
                      <layout class="QGridLayout" name="gridLayout_6">
                       <item row="0" column="0">
                        <widget class="QGroupBox" name="groupBox_15">
                         <property name="title">
                          <string/>
                         </property>
                         <layout class="QGridLayout" name="gridLayout_44">
                          <item row="0" column="0">
                           <layout class="QGridLayout" name="gridLayout_5">
                            <item row="0" column="0">
                             <layout class="QHBoxLayout" name="horizontalLayout_8">
                              <item>
                               <widget class="QLabel" name="label_tmin_3">
                                <property name="maximumSize">
                                 <size>
                                  <width>70</width>
                                  <height>16777215</height>
                                 </size>
                                </property>
                                <property name="layoutDirection">
                                 <enum>Qt::LeftToRight</enum>
                                </property>
                                <property name="text">
                                 <string>t min</string>
                                </property>
                                <property name="alignment">
                                 <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                </property>
                               </widget>
                              </item>
                              <item>
                               <widget class="QLineEdit" name="ParCurve_tmin_2">
                                <property name="sizePolicy">
                                 <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                                  <horstretch>0</horstretch>
                                  <verstretch>0</verstretch>
                                 </sizepolicy>
                                </property>
                                <property name="minimumSize">
                                 <size>
                                  <width>40</width>
                                  <height>0</height>
                                 </size>
                                </property>
                                <property name="maximumSize">
                                 <size>
                                  <width>150</width>
                                  <height>16777215</height>
                                 </size>
                                </property>
                                <property name="toolTip">
                                 <string>Minimun value of the t parameter</string>
                                </property>
                                <property name="text">
                                 <string>0</string>
                                </property>
                                <property name="maxLength">
                                 <number>32769</number>
                                </property>
                               </widget>
                              </item>
                             </layout>
                            </item>
                            <item row="1" column="0">
                             <layout class="QHBoxLayout" name="horizontalLayout_9">
                              <item>
                               <widget class="QLabel" name="label_tmax_3">
                                <property name="maximumSize">
                                 <size>
                                  <width>70</width>
                                  <height>16777215</height>
                                 </size>
                                </property>
                                <property name="layoutDirection">
                                 <enum>Qt::LeftToRight</enum>
                                </property>
                                <property name="text">
                                 <string>t max</string>
                                </property>
                                <property name="alignment">
                                 <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                </property>
                               </widget>
                              </item>
                              <item>
                               <widget class="QLineEdit" name="ParCurve_tmax_2">
                                <property name="sizePolicy">
                                 <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                                  <horstretch>0</horstretch>
                                  <verstretch>0</verstretch>
                                 </sizepolicy>
                                </property>
                                <property name="minimumSize">
                                 <size>
                                  <width>40</width>
                                  <height>0</height>
                                 </size>
                                </property>
                                <property name="maximumSize">
                                 <size>
                                  <width>150</width>
                                  <height>16777215</height>
                                 </size>
                                </property>
                                <property name="toolTip">
                                 <string>Maximun value of the t parameter</string>
                                </property>
                                <property name="text">
                                 <string>2*pi</string>
                                </property>
                                <property name="maxLength">
                                 <number>32769</number>
                                </property>
                               </widget>
                              </item>
                             </layout>
                            </item>
                            <item row="2" column="0">
                             <layout class="QHBoxLayout" name="horizontalLayout_10">
                              <item>
                               <widget class="QLabel" name="label_tstep_3">
                                <property name="maximumSize">
                                 <size>
                                  <width>70</width>
                                  <height>16777215</height>
                                 </size>
                                </property>
                                <property name="layoutDirection">
                                 <enum>Qt::LeftToRight</enum>
                                </property>
                                <property name="text">
                                 <string>step</string>
                                </property>
                                <property name="alignment">
                                 <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                </property>
                               </widget>
                              </item>
                              <item>
                               <widget class="QLineEdit" name="ParCurve_tstep_2">
                                <property name="sizePolicy">
                                 <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                                  <horstretch>0</horstretch>
                                  <verstretch>0</verstretch>
                                 </sizepolicy>
                                </property>
                                <property name="minimumSize">
                                 <size>
                                  <width>40</width>
                                  <height>0</height>
                                 </size>
                                </property>
                                <property name="maximumSize">
                                 <size>
                                  <width>150</width>
                                  <height>16777215</height>
                                 </size>
                                </property>
                                <property name="toolTip">
                                 <string>Step between two consecutive values of the t parameter</string>
                                </property>
                                <property name="text">
                                 <string>0.01</string>
                                </property>
                                <property name="maxLength">
                                 <number>32769</number>
                                </property>
                               </widget>
                              </item>
                             </layout>
                            </item>
                           </layout>
                          </item>
                          <item row="0" column="1">
                           <spacer name="horizontalSpacer_4">
                            <property name="orientation">
                             <enum>Qt::Horizontal</enum>
                            </property>
                            <property name="sizeHint" stdset="0">
                             <size>
                              <width>131</width>
                              <height>20</height>
                             </size>
                            </property>
                           </spacer>
                          </item>
                          <item row="1" column="0">
                           <spacer name="verticalSpacer_4">
                            <property name="orientation">
                             <enum>Qt::Vertical</enum>
                            </property>
                            <property name="sizeHint" stdset="0">
                             <size>
                              <width>17</width>
                              <height>125</height>
                             </size>
                            </property>
                           </spacer>
                          </item>
                         </layout>
                        </widget>
                       </item>
                      </layout>
                     </widget>
                    </widget>
                   </item>
                  </layout>
                 </widget>
                </widget>
               </item>
              </layout>
             </widget>
             <widget class="QWidget" name="Wire_Tab3_3">
              <attribute name="title">
               <string>Parametric 3D</string>
              </attribute>
              <layout class="QGridLayout" name="gridLayout_27">
               <item row="0" column="0">
                <widget class="QScrollArea" name="scrollArea_6">
                 <property name="widgetResizable">
                  <bool>true</bool>
                 </property>
                 <widget class="QWidget" name="scrollAreaWidgetContents_4">
                  <property name="geometry">
                   <rect>
                    <x>0</x>
                    <y>0</y>
                    <width>316</width>
                    <height>579</height>
                   </rect>
                  </property>
                  <layout class="QGridLayout" name="gridLayout_15">
                   <item row="0" column="0">
                    <layout class="QHBoxLayout" name="horizontalLayout_63">
                     <item>
                      <widget class="QComboBox" name="ParCurve_comboBox_3">
                       <property name="toolTip">
                        <string>Choose another curve from the list.</string>
                       </property>
                      </widget>
                     </item>
                     <item>
                      <widget class="QPushButton" name="ParCurve_button_edit_3">
                       <property name="minimumSize">
                        <size>
                         <width>40</width>
                         <height>0</height>
                        </size>
                       </property>
                       <property name="maximumSize">
                        <size>
                         <width>60</width>
                         <height>16777215</height>
                        </size>
                       </property>
                       <property name="toolTip">
                        <string>Click to access to a table where you can edit all parameters of all curves and 
save your custom curves.</string>
                       </property>
                       <property name="text">
                        <string>Edit</string>
                       </property>
                      </widget>
                     </item>
                    </layout>
                   </item>
                   <item row="1" column="0">
                    <layout class="QHBoxLayout" name="horizontalLayout_64">
                     <item>
                      <widget class="QLabel" name="label_name_3">
                       <property name="frameShape">
                        <enum>QFrame::Box</enum>
                       </property>
                       <property name="frameShadow">
                        <enum>QFrame::Raised</enum>
                       </property>
                       <property name="lineWidth">
                        <number>3</number>
                       </property>
                       <property name="text">
                        <string>Name</string>
                       </property>
                       <property name="alignment">
                        <set>Qt::AlignCenter</set>
                       </property>
                      </widget>
                     </item>
                     <item>
                      <widget class="QLineEdit" name="ParCurve_name_3">
                       <property name="text">
                        <string>Cylindrical helix</string>
                       </property>
                      </widget>
                     </item>
                    </layout>
                   </item>
                   <item row="3" column="0">
                    <widget class="QGroupBox" name="groupBox_19">
                     <property name="title">
                      <string>Type of 3D Curve :</string>
                     </property>
                     <layout class="QGridLayout" name="gridLayout_3">
                      <item row="0" column="1">
                       <widget class="QCheckBox" name="checkBox_points_3">
                        <property name="text">
                         <string>Points</string>
                        </property>
                        <property name="autoExclusive">
                         <bool>true</bool>
                        </property>
                       </widget>
                      </item>
                      <item row="0" column="2">
                       <widget class="QCheckBox" name="checkBox_polyline_3">
                        <property name="text">
                         <string>Polyline</string>
                        </property>
                        <property name="checked">
                         <bool>true</bool>
                        </property>
                        <property name="autoExclusive">
                         <bool>true</bool>
                        </property>
                       </widget>
                      </item>
                      <item row="1" column="2">
                       <widget class="QCheckBox" name="checkBox_bspline_3">
                        <property name="text">
                         <string>Bspline</string>
                        </property>
                        <property name="checked">
                         <bool>false</bool>
                        </property>
                        <property name="autoExclusive">
                         <bool>true</bool>
                        </property>
                       </widget>
                      </item>
                      <item row="1" column="1">
                       <widget class="QCheckBox" name="checkBox_bezier_3">
                        <property name="enabled">
                         <bool>true</bool>
                        </property>
                        <property name="text">
                         <string>Bezier</string>
                        </property>
                        <property name="checked">
                         <bool>false</bool>
                        </property>
                        <property name="autoExclusive">
                         <bool>true</bool>
                        </property>
                       </widget>
                      </item>
                     </layout>
                    </widget>
                   </item>
                   <item row="4" column="0">
                    <widget class="QCheckBox" name="checkBox_close_3">
                     <property name="text">
                      <string>Closed curve</string>
                     </property>
                    </widget>
                   </item>
                   <item row="5" column="0">
                    <layout class="QHBoxLayout" name="horizontalLayout_65">
                     <item>
                      <widget class="QPushButton" name="ParCurve_button_store_3">
                       <property name="minimumSize">
                        <size>
                         <width>40</width>
                         <height>0</height>
                        </size>
                       </property>
                       <property name="maximumSize">
                        <size>
                         <width>60</width>
                         <height>16777215</height>
                        </size>
                       </property>
                       <property name="toolTip">
                        <string>Click to store the current edited curve into the table.
To save your curve you need to go to &quot;Edit&quot;.</string>
                       </property>
                       <property name="text">
                        <string>Store</string>
                       </property>
                      </widget>
                     </item>
                     <item>
                      <spacer name="horizontalSpacer_9">
                       <property name="orientation">
                        <enum>Qt::Horizontal</enum>
                       </property>
                       <property name="sizeHint" stdset="0">
                        <size>
                         <width>40</width>
                         <height>20</height>
                        </size>
                       </property>
                      </spacer>
                     </item>
                     <item>
                      <widget class="QPushButton" name="ParCurve_button_apply_3">
                       <property name="minimumSize">
                        <size>
                         <width>40</width>
                         <height>0</height>
                        </size>
                       </property>
                       <property name="maximumSize">
                        <size>
                         <width>60</width>
                         <height>16777215</height>
                        </size>
                       </property>
                       <property name="toolTip">
                        <string>Click to visualize the curve.</string>
                       </property>
                       <property name="text">
                        <string>Apply</string>
                       </property>
                      </widget>
                     </item>
                    </layout>
                   </item>
                   <item row="2" column="0">
                    <widget class="QTabWidget" name="tabWidget_2">
                     <property name="currentIndex">
                      <number>0</number>
                     </property>
                     <widget class="QWidget" name="Equation_tab_3">
                      <attribute name="title">
                       <string>Equation</string>
                      </attribute>
                      <layout class="QGridLayout" name="gridLayout_18">
                       <item row="0" column="0">
                        <widget class="QScrollArea" name="scrollArea_4">
                         <property name="widgetResizable">
                          <bool>true</bool>
                         </property>
                         <widget class="QWidget" name="scrollAreaWidgetContents_3">
                          <property name="geometry">
                           <rect>
                            <x>0</x>
                            <y>0</y>
                            <width>305</width>
                            <height>383</height>
                           </rect>
                          </property>
                          <layout class="QGridLayout" name="gridLayout_14">
                           <item row="0" column="0">
                            <layout class="QHBoxLayout" name="horizontalLayout_14">
                             <item>
                              <layout class="QGridLayout" name="gridLayout_9">
                               <item row="0" column="0">
                                <layout class="QHBoxLayout" name="horizontalLayout_11">
                                 <item>
                                  <widget class="QLabel" name="label_a_4">
                                   <property name="maximumSize">
                                    <size>
                                     <width>70</width>
                                     <height>16777215</height>
                                    </size>
                                   </property>
                                   <property name="layoutDirection">
                                    <enum>Qt::LeftToRight</enum>
                                   </property>
                                   <property name="text">
                                    <string>a (t) </string>
                                   </property>
                                   <property name="alignment">
                                    <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                   </property>
                                  </widget>
                                 </item>
                                 <item>
                                  <widget class="QLineEdit" name="ParCurve_a_3">
                                   <property name="sizePolicy">
                                    <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                                     <horstretch>0</horstretch>
                                     <verstretch>0</verstretch>
                                    </sizepolicy>
                                   </property>
                                   <property name="minimumSize">
                                    <size>
                                     <width>40</width>
                                     <height>0</height>
                                    </size>
                                   </property>
                                   <property name="maximumSize">
                                    <size>
                                     <width>150</width>
                                     <height>16777215</height>
                                    </size>
                                   </property>
                                   <property name="toolTip">
                                    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;The function 'range' from Python and 'np.arange' from numpy module can be used here:&lt;/p&gt;&lt;p&gt;range([start,] stop[, step])&lt;/p&gt;&lt;p&gt;start : Starting number of the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The interval includes this value. The default value is 0&lt;/span&gt;&lt;/p&gt;&lt;p&gt;stop : Generate numbers up to, but not including this number.&lt;/p&gt;&lt;p&gt;step : Difference between each number in the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The default value is 1.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;p&gt;np.arange([start,] stop[, step,]dtype=None)&lt;/p&gt;&lt;p&gt;Return evenly spaced values within a given interval.&lt;/p&gt;&lt;p&gt;start : Starting number of the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The interval includes this value. The default value is 0&lt;/span&gt;&lt;/p&gt;&lt;p&gt;stop : &lt;span style=&quot; vertical-align:top;&quot;&gt;End of interval. The interval does not include this value, except in some cases where &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;step&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; is not an integer and floating point round-off affects the length of &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;out&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;step : Difference between each number in the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;For any output &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;out&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;, this is the distance between two adjacent values. The default value is 1.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;If &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;step&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; is specified, &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;start&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; must also be given.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;dtype : The type of the output array. if dtype &lt;span style=&quot; vertical-align:top;&quot;&gt;is not given, infer the data type from the other input arguments.&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
                                   </property>
                                   <property name="text">
                                    <string>10*0.05 #Vert. step</string>
                                   </property>
                                   <property name="maxLength">
                                    <number>32769</number>
                                   </property>
                                  </widget>
                                 </item>
                                </layout>
                               </item>
                               <item row="1" column="0">
                                <layout class="QHBoxLayout" name="horizontalLayout_12">
                                 <item>
                                  <widget class="QLabel" name="label_b_4">
                                   <property name="maximumSize">
                                    <size>
                                     <width>70</width>
                                     <height>16777215</height>
                                    </size>
                                   </property>
                                   <property name="text">
                                    <string>b (a, t) </string>
                                   </property>
                                   <property name="alignment">
                                    <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                   </property>
                                  </widget>
                                 </item>
                                 <item>
                                  <widget class="QLineEdit" name="ParCurve_b_3">
                                   <property name="sizePolicy">
                                    <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                                     <horstretch>0</horstretch>
                                     <verstretch>0</verstretch>
                                    </sizepolicy>
                                   </property>
                                   <property name="minimumSize">
                                    <size>
                                     <width>40</width>
                                     <height>0</height>
                                    </size>
                                   </property>
                                   <property name="maximumSize">
                                    <size>
                                     <width>150</width>
                                     <height>16777215</height>
                                    </size>
                                   </property>
                                   <property name="toolTip">
                                    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;The function 'range' from Python and 'np.arange' from numpy module can be used here:&lt;/p&gt;&lt;p&gt;range([start,] stop[, step])&lt;/p&gt;&lt;p&gt;start : Starting number of the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The interval includes this value. The default value is 0&lt;/span&gt;&lt;/p&gt;&lt;p&gt;stop : Generate numbers up to, but not including this number.&lt;/p&gt;&lt;p&gt;step : Difference between each number in the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The default value is 1.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;p&gt;np.arange([start,] stop[, step,]dtype=None)&lt;/p&gt;&lt;p&gt;Return evenly spaced values within a given interval.&lt;/p&gt;&lt;p&gt;start : Starting number of the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The interval includes this value. The default value is 0&lt;/span&gt;&lt;/p&gt;&lt;p&gt;stop : &lt;span style=&quot; vertical-align:top;&quot;&gt;End of interval. The interval does not include this value, except in some cases where &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;step&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; is not an integer and floating point round-off affects the length of &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;out&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;step : Difference between each number in the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;For any output &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;out&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;, this is the distance between two adjacent values. The default value is 1.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;If &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;step&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; is specified, &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;start&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; must also be given.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;dtype : The type of the output array. if dtype &lt;span style=&quot; vertical-align:top;&quot;&gt;is not given, infer the data type from the other input arguments.&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
                                   </property>
                                   <property name="text">
                                    <string>1</string>
                                   </property>
                                   <property name="maxLength">
                                    <number>32769</number>
                                   </property>
                                  </widget>
                                 </item>
                                </layout>
                               </item>
                               <item row="2" column="0">
                                <layout class="QHBoxLayout" name="horizontalLayout_13">
                                 <item>
                                  <widget class="QLabel" name="label_c_2">
                                   <property name="maximumSize">
                                    <size>
                                     <width>70</width>
                                     <height>16777215</height>
                                    </size>
                                   </property>
                                   <property name="text">
                                    <string>c (a, b, t) </string>
                                   </property>
                                   <property name="alignment">
                                    <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                   </property>
                                  </widget>
                                 </item>
                                 <item>
                                  <widget class="QLineEdit" name="ParCurve_c_3">
                                   <property name="sizePolicy">
                                    <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                                     <horstretch>0</horstretch>
                                     <verstretch>0</verstretch>
                                    </sizepolicy>
                                   </property>
                                   <property name="minimumSize">
                                    <size>
                                     <width>40</width>
                                     <height>0</height>
                                    </size>
                                   </property>
                                   <property name="maximumSize">
                                    <size>
                                     <width>150</width>
                                     <height>16777215</height>
                                    </size>
                                   </property>
                                   <property name="toolTip">
                                    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;The function 'range' from Python and 'np.arange' from numpy module can be used here:&lt;/p&gt;&lt;p&gt;range([start,] stop[, step])&lt;/p&gt;&lt;p&gt;start : Starting number of the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The interval includes this value. The default value is 0&lt;/span&gt;&lt;/p&gt;&lt;p&gt;stop : Generate numbers up to, but not including this number.&lt;/p&gt;&lt;p&gt;step : Difference between each number in the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The default value is 1.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;p&gt;np.arange([start,] stop[, step,]dtype=None)&lt;/p&gt;&lt;p&gt;Return evenly spaced values within a given interval.&lt;/p&gt;&lt;p&gt;start : Starting number of the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;The interval includes this value. The default value is 0&lt;/span&gt;&lt;/p&gt;&lt;p&gt;stop : &lt;span style=&quot; vertical-align:top;&quot;&gt;End of interval. The interval does not include this value, except in some cases where &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;step&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; is not an integer and floating point round-off affects the length of &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;out&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;step : Difference between each number in the sequence. &lt;span style=&quot; vertical-align:top;&quot;&gt;For any output &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;out&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;, this is the distance between two adjacent values. The default value is 1.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt;If &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;step&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; is specified, &lt;/span&gt;&lt;span style=&quot; font-style:italic; vertical-align:top;&quot;&gt;start&lt;/span&gt;&lt;span style=&quot; vertical-align:top;&quot;&gt; must also be given.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;dtype : The type of the output array. if dtype &lt;span style=&quot; vertical-align:top;&quot;&gt;is not given, infer the data type from the other input arguments.&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
                                   </property>
                                   <property name="text">
                                    <string>10     # Radius</string>
                                   </property>
                                   <property name="maxLength">
                                    <number>32769</number>
                                   </property>
                                  </widget>
                                 </item>
                                </layout>
                               </item>
                              </layout>
                             </item>
                            </layout>
                           </item>
                           <item row="1" column="0">
                            <layout class="QGridLayout" name="gridLayout_13">
                             <item row="0" column="0">
                              <widget class="QCheckBox" name="checkBox_cylind_3">
                               <property name="toolTip">
                                <string>Toggle for Cylindrical coordinates:</string>
                               </property>
                               <property name="text">
                                <string> Cylindrical coord.</string>
                               </property>
                               <property name="autoExclusive">
                                <bool>false</bool>
                               </property>
                              </widget>
                             </item>
                             <item row="0" column="1">
                              <widget class="QCheckBox" name="checkBox_spheric_3">
                               <property name="toolTip">
                                <string>Toggle for Sperical coordinates:</string>
                               </property>
                               <property name="text">
                                <string>Spherical coord.</string>
                               </property>
                               <property name="autoExclusive">
                                <bool>false</bool>
                               </property>
                              </widget>
                             </item>
                            </layout>
                           </item>
                           <item row="2" column="0">
                            <layout class="QGridLayout" name="gridLayout_12">
                             <item row="0" column="0">
                              <layout class="QHBoxLayout" name="horizontalLayout_17">
                               <item>
                                <widget class="QLabel" name="label_x_3">
                                 <property name="maximumSize">
                                  <size>
                                   <width>100</width>
                                   <height>16777215</height>
                                  </size>
                                 </property>
                                 <property name="text">
                                  <string>X (a,b,c,t) </string>
                                 </property>
                                 <property name="alignment">
                                  <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                 </property>
                                </widget>
                               </item>
                               <item>
                                <spacer name="horizontalSpacer_11">
                                 <property name="orientation">
                                  <enum>Qt::Horizontal</enum>
                                 </property>
                                 <property name="sizeHint" stdset="0">
                                  <size>
                                   <width>40</width>
                                   <height>20</height>
                                  </size>
                                 </property>
                                </spacer>
                               </item>
                              </layout>
                             </item>
                             <item row="1" column="0">
                              <widget class="QLineEdit" name="ParCurve_x_3">
                               <property name="sizePolicy">
                                <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
                                 <horstretch>0</horstretch>
                                 <verstretch>0</verstretch>
                                </sizepolicy>
                               </property>
                               <property name="minimumSize">
                                <size>
                                 <width>40</width>
                                 <height>0</height>
                                </size>
                               </property>
                               <property name="maximumSize">
                                <size>
                                 <width>16777215</width>
                                 <height>16777215</height>
                                </size>
                               </property>
                               <property name="toolTip">
                                <string>The function from Python math module can be used here:
safe_list = ['acos', 'asin', 'atan', 'atan2', 'ceil', 'cos', 'cosh',
 'degrees', 'e', 'exp', 'fabs', 'floor', 'fmod', 'frexp', 'hypot', 'ldexp',
 'log', 'log10', 'modf', 'pi', 'pow', 'radians', 'sin', 'sinh', 'sqrt', 'tan',
 'tanh']</string>
                               </property>
                               <property name="text">
                                <string>c*sin(t)</string>
                               </property>
                               <property name="maxLength">
                                <number>32769</number>
                               </property>
                              </widget>
                             </item>
                            </layout>
                           </item>
                           <item row="3" column="0">
                            <layout class="QGridLayout" name="gridLayout_11">
                             <item row="0" column="0">
                              <layout class="QHBoxLayout" name="horizontalLayout_16">
                               <item>
                                <widget class="QLabel" name="label_y_3">
                                 <property name="maximumSize">
                                  <size>
                                   <width>100</width>
                                   <height>16777215</height>
                                  </size>
                                 </property>
                                 <property name="text">
                                  <string>Y (a,b,c,t) </string>
                                 </property>
                                 <property name="alignment">
                                  <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                 </property>
                                </widget>
                               </item>
                               <item>
                                <spacer name="horizontalSpacer_10">
                                 <property name="orientation">
                                  <enum>Qt::Horizontal</enum>
                                 </property>
                                 <property name="sizeHint" stdset="0">
                                  <size>
                                   <width>40</width>
                                   <height>20</height>
                                  </size>
                                 </property>
                                </spacer>
                               </item>
                              </layout>
                             </item>
                             <item row="1" column="0">
                              <widget class="QLineEdit" name="ParCurve_y_3">
                               <property name="sizePolicy">
                                <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
                                 <horstretch>0</horstretch>
                                 <verstretch>0</verstretch>
                                </sizepolicy>
                               </property>
                               <property name="minimumSize">
                                <size>
                                 <width>40</width>
                                 <height>0</height>
                                </size>
                               </property>
                               <property name="maximumSize">
                                <size>
                                 <width>16777215</width>
                                 <height>16777215</height>
                                </size>
                               </property>
                               <property name="toolTip">
                                <string>The function from Python math module can be used here:
safe_list = ['acos', 'asin', 'atan', 'atan2', 'ceil', 'cos', 'cosh',
 'degrees', 'e', 'exp', 'fabs', 'floor', 'fmod', 'frexp', 'hypot', 'ldexp',
 'log', 'log10', 'modf', 'pi', 'pow', 'radians', 'sin', 'sinh', 'sqrt', 'tan',
 'tanh']</string>
                               </property>
                               <property name="text">
                                <string>c*cos(t)</string>
                               </property>
                               <property name="maxLength">
                                <number>32769</number>
                               </property>
                              </widget>
                             </item>
                            </layout>
                           </item>
                           <item row="4" column="0">
                            <layout class="QGridLayout" name="gridLayout_10">
                             <item row="0" column="0">
                              <layout class="QHBoxLayout" name="horizontalLayout_15">
                               <item>
                                <widget class="QLabel" name="label_z_3">
                                 <property name="maximumSize">
                                  <size>
                                   <width>100</width>
                                   <height>16777215</height>
                                  </size>
                                 </property>
                                 <property name="text">
                                  <string>Z (a,b,c,t) </string>
                                 </property>
                                 <property name="alignment">
                                  <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                 </property>
                                </widget>
                               </item>
                               <item>
                                <spacer name="horizontalSpacer_7">
                                 <property name="orientation">
                                  <enum>Qt::Horizontal</enum>
                                 </property>
                                 <property name="sizeHint" stdset="0">
                                  <size>
                                   <width>40</width>
                                   <height>20</height>
                                  </size>
                                 </property>
                                </spacer>
                               </item>
                              </layout>
                             </item>
                             <item row="1" column="0">
                              <widget class="QLineEdit" name="ParCurve_z_3">
                               <property name="sizePolicy">
                                <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
                                 <horstretch>0</horstretch>
                                 <verstretch>0</verstretch>
                                </sizepolicy>
                               </property>
                               <property name="minimumSize">
                                <size>
                                 <width>40</width>
                                 <height>0</height>
                                </size>
                               </property>
                               <property name="maximumSize">
                                <size>
                                 <width>16777215</width>
                                 <height>16777215</height>
                                </size>
                               </property>
                               <property name="toolTip">
                                <string>The function from Python math module can be used here:
safe_list = ['acos', 'asin', 'atan', 'atan2', 'ceil', 'cos', 'cosh',
 'degrees', 'e', 'exp', 'fabs', 'floor', 'fmod', 'frexp', 'hypot', 'ldexp',
 'log', 'log10', 'modf', 'pi', 'pow', 'radians', 'sin', 'sinh', 'sqrt', 'tan',
 'tanh']</string>
                               </property>
                               <property name="text">
                                <string>a*t</string>
                               </property>
                               <property name="maxLength">
                                <number>32769</number>
                               </property>
                              </widget>
                             </item>
                            </layout>
                           </item>
                          </layout>
                         </widget>
                        </widget>
                       </item>
                      </layout>
                     </widget>
                     <widget class="QWidget" name="Variables_tab_3">
                      <attribute name="title">
                       <string>Variables</string>
                      </attribute>
                      <layout class="QGridLayout" name="gridLayout_16">
                       <item row="0" column="0">
                        <layout class="QGridLayout" name="gridLayout_17">
                         <item row="0" column="0">
                          <widget class="QLabel" name="label_tmin_4">
                           <property name="maximumSize">
                            <size>
                             <width>70</width>
                             <height>16777215</height>
                            </size>
                           </property>
                           <property name="layoutDirection">
                            <enum>Qt::LeftToRight</enum>
                           </property>
                           <property name="text">
                            <string>t min</string>
                           </property>
                           <property name="alignment">
                            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                           </property>
                          </widget>
                         </item>
                         <item row="0" column="1">
                          <widget class="QLineEdit" name="ParCurve_tmin_3">
                           <property name="sizePolicy">
                            <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                             <horstretch>0</horstretch>
                             <verstretch>0</verstretch>
                            </sizepolicy>
                           </property>
                           <property name="minimumSize">
                            <size>
                             <width>40</width>
                             <height>0</height>
                            </size>
                           </property>
                           <property name="maximumSize">
                            <size>
                             <width>150</width>
                             <height>16777215</height>
                            </size>
                           </property>
                           <property name="text">
                            <string>0</string>
                           </property>
                           <property name="maxLength">
                            <number>32769</number>
                           </property>
                          </widget>
                         </item>
                         <item row="1" column="0">
                          <widget class="QLabel" name="label_tmax_4">
                           <property name="maximumSize">
                            <size>
                             <width>70</width>
                             <height>16777215</height>
                            </size>
                           </property>
                           <property name="layoutDirection">
                            <enum>Qt::LeftToRight</enum>
                           </property>
                           <property name="text">
                            <string>t max</string>
                           </property>
                           <property name="alignment">
                            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                           </property>
                          </widget>
                         </item>
                         <item row="1" column="1">
                          <widget class="QLineEdit" name="ParCurve_tmax_3">
                           <property name="sizePolicy">
                            <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                             <horstretch>0</horstretch>
                             <verstretch>0</verstretch>
                            </sizepolicy>
                           </property>
                           <property name="minimumSize">
                            <size>
                             <width>40</width>
                             <height>0</height>
                            </size>
                           </property>
                           <property name="maximumSize">
                            <size>
                             <width>150</width>
                             <height>16777215</height>
                            </size>
                           </property>
                           <property name="text">
                            <string>5*2*pi   #5 circles</string>
                           </property>
                           <property name="maxLength">
                            <number>32769</number>
                           </property>
                          </widget>
                         </item>
                         <item row="2" column="0">
                          <widget class="QLabel" name="label_tstep_4">
                           <property name="maximumSize">
                            <size>
                             <width>70</width>
                             <height>16777215</height>
                            </size>
                           </property>
                           <property name="layoutDirection">
                            <enum>Qt::LeftToRight</enum>
                           </property>
                           <property name="text">
                            <string>step</string>
                           </property>
                           <property name="alignment">
                            <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                           </property>
                          </widget>
                         </item>
                         <item row="2" column="1">
                          <widget class="QLineEdit" name="ParCurve_tstep_3">
                           <property name="sizePolicy">
                            <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                             <horstretch>0</horstretch>
                             <verstretch>0</verstretch>
                            </sizepolicy>
                           </property>
                           <property name="minimumSize">
                            <size>
                             <width>40</width>
                             <height>0</height>
                            </size>
                           </property>
                           <property name="maximumSize">
                            <size>
                             <width>150</width>
                             <height>16777215</height>
                            </size>
                           </property>
                           <property name="text">
                            <string>0.01</string>
                           </property>
                           <property name="maxLength">
                            <number>32769</number>
                           </property>
                          </widget>
                         </item>
                        </layout>
                       </item>
                       <item row="0" column="1">
                        <spacer name="horizontalSpacer_12">
                         <property name="orientation">
                          <enum>Qt::Horizontal</enum>
                         </property>
                         <property name="sizeHint" stdset="0">
                          <size>
                           <width>29</width>
                           <height>20</height>
                          </size>
                         </property>
                        </spacer>
                       </item>
                       <item row="1" column="0">
                        <spacer name="verticalSpacer_2">
                         <property name="orientation">
                          <enum>Qt::Vertical</enum>
                         </property>
                         <property name="sizeHint" stdset="0">
                          <size>
                           <width>20</width>
                           <height>162</height>
                          </size>
                         </property>
                        </spacer>
                       </item>
                      </layout>
                     </widget>
                    </widget>
                   </item>
                  </layout>
                 </widget>
                </widget>
               </item>
              </layout>
             </widget>
             <widget class="QWidget" name="Surface_Tab1">
              <attribute name="title">
               <string>Surface</string>
              </attribute>
              <layout class="QGridLayout" name="gridLayout_40">
               <item row="0" column="0">
                <widget class="QScrollArea" name="scrollArea_7">
                 <property name="widgetResizable">
                  <bool>true</bool>
                 </property>
                 <widget class="QWidget" name="scrollAreaWidgetContents_7">
                  <property name="geometry">
                   <rect>
                    <x>0</x>
                    <y>0</y>
                    <width>316</width>
                    <height>579</height>
                   </rect>
                  </property>
                  <layout class="QGridLayout" name="gridLayout_7">
                   <item row="0" column="0">
                    <layout class="QHBoxLayout" name="horizontalLayout_68">
                     <item>
                      <widget class="QComboBox" name="Surf_comboBox">
                       <property name="toolTip">
                        <string>Choose another curve from the list.</string>
                       </property>
                      </widget>
                     </item>
                     <item>
                      <widget class="QPushButton" name="Surf_button_edit">
                       <property name="minimumSize">
                        <size>
                         <width>40</width>
                         <height>0</height>
                        </size>
                       </property>
                       <property name="maximumSize">
                        <size>
                         <width>60</width>
                         <height>16777215</height>
                        </size>
                       </property>
                       <property name="toolTip">
                        <string>Click to access to a table where you can edit all parameters of all curves and 
save your custom curves.</string>
                       </property>
                       <property name="text">
                        <string>Edit</string>
                       </property>
                      </widget>
                     </item>
                    </layout>
                   </item>
                   <item row="1" column="0">
                    <layout class="QHBoxLayout" name="horizontalLayout_67">
                     <item>
                      <widget class="QLabel" name="label_name_4">
                       <property name="frameShape">
                        <enum>QFrame::Box</enum>
                       </property>
                       <property name="frameShadow">
                        <enum>QFrame::Raised</enum>
                       </property>
                       <property name="lineWidth">
                        <number>3</number>
                       </property>
                       <property name="text">
                        <string>Name</string>
                       </property>
                       <property name="alignment">
                        <set>Qt::AlignCenter</set>
                       </property>
                      </widget>
                     </item>
                     <item>
                      <widget class="QLineEdit" name="Surf_name">
                       <property name="text">
                        <string>Astroid</string>
                       </property>
                      </widget>
                     </item>
                    </layout>
                   </item>
                   <item row="2" column="0">
                    <widget class="QTabWidget" name="tabWidget_5">
                     <property name="currentIndex">
                      <number>0</number>
                     </property>
                     <widget class="QWidget" name="tab_8">
                      <attribute name="title">
                       <string>Equation</string>
                      </attribute>
                      <layout class="QGridLayout" name="gridLayout_26">
                       <item row="0" column="0">
                        <widget class="QScrollArea" name="scrollArea">
                         <property name="widgetResizable">
                          <bool>true</bool>
                         </property>
                         <widget class="QWidget" name="scrollAreaWidgetContents">
                          <property name="geometry">
                           <rect>
                            <x>0</x>
                            <y>0</y>
                            <width>261</width>
                            <height>343</height>
                           </rect>
                          </property>
                          <layout class="QGridLayout" name="gridLayout_24">
                           <item row="0" column="0">
                            <layout class="QVBoxLayout" name="verticalLayout">
                             <item>
                              <layout class="QHBoxLayout" name="horizontalLayout_20">
                               <item>
                                <widget class="QLabel" name="label_a_5">
                                 <property name="maximumSize">
                                  <size>
                                   <width>70</width>
                                   <height>16777215</height>
                                  </size>
                                 </property>
                                 <property name="layoutDirection">
                                  <enum>Qt::LeftToRight</enum>
                                 </property>
                                 <property name="text">
                                  <string>a</string>
                                 </property>
                                 <property name="alignment">
                                  <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                 </property>
                                </widget>
                               </item>
                               <item>
                                <widget class="QLineEdit" name="Surf_a">
                                 <property name="sizePolicy">
                                  <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                                   <horstretch>0</horstretch>
                                   <verstretch>0</verstretch>
                                  </sizepolicy>
                                 </property>
                                 <property name="minimumSize">
                                  <size>
                                   <width>40</width>
                                   <height>0</height>
                                  </size>
                                 </property>
                                 <property name="maximumSize">
                                  <size>
                                   <width>150</width>
                                   <height>16777215</height>
                                  </size>
                                 </property>
                                 <property name="text">
                                  <string>4</string>
                                 </property>
                                 <property name="maxLength">
                                  <number>32769</number>
                                 </property>
                                </widget>
                               </item>
                              </layout>
                             </item>
                             <item>
                              <layout class="QHBoxLayout" name="horizontalLayout_21">
                               <item>
                                <widget class="QLabel" name="label_b_5">
                                 <property name="maximumSize">
                                  <size>
                                   <width>70</width>
                                   <height>16777215</height>
                                  </size>
                                 </property>
                                 <property name="text">
                                  <string>b (a) </string>
                                 </property>
                                 <property name="alignment">
                                  <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                 </property>
                                </widget>
                               </item>
                               <item>
                                <widget class="QLineEdit" name="Surf_b">
                                 <property name="sizePolicy">
                                  <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                                   <horstretch>0</horstretch>
                                   <verstretch>0</verstretch>
                                  </sizepolicy>
                                 </property>
                                 <property name="minimumSize">
                                  <size>
                                   <width>40</width>
                                   <height>0</height>
                                  </size>
                                 </property>
                                 <property name="maximumSize">
                                  <size>
                                   <width>150</width>
                                   <height>16777215</height>
                                  </size>
                                 </property>
                                 <property name="text">
                                  <string>3</string>
                                 </property>
                                 <property name="maxLength">
                                  <number>32769</number>
                                 </property>
                                </widget>
                               </item>
                              </layout>
                             </item>
                             <item>
                              <layout class="QHBoxLayout" name="horizontalLayout_22">
                               <item>
                                <widget class="QLabel" name="label_c_3">
                                 <property name="maximumSize">
                                  <size>
                                   <width>70</width>
                                   <height>16777215</height>
                                  </size>
                                 </property>
                                 <property name="text">
                                  <string>c (a, b) </string>
                                 </property>
                                 <property name="alignment">
                                  <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                 </property>
                                </widget>
                               </item>
                               <item>
                                <widget class="QLineEdit" name="Surf_c">
                                 <property name="sizePolicy">
                                  <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                                   <horstretch>0</horstretch>
                                   <verstretch>0</verstretch>
                                  </sizepolicy>
                                 </property>
                                 <property name="minimumSize">
                                  <size>
                                   <width>40</width>
                                   <height>0</height>
                                  </size>
                                 </property>
                                 <property name="maximumSize">
                                  <size>
                                   <width>150</width>
                                   <height>16777215</height>
                                  </size>
                                 </property>
                                 <property name="text">
                                  <string>2</string>
                                 </property>
                                 <property name="maxLength">
                                  <number>32769</number>
                                 </property>
                                </widget>
                               </item>
                              </layout>
                             </item>
                            </layout>
                           </item>
                           <item row="1" column="0">
                            <layout class="QGridLayout" name="gridLayout_29">
                             <item row="0" column="0">
                              <layout class="QHBoxLayout" name="horizontalLayout_23">
                               <item>
                                <widget class="QLabel" name="label_x_4">
                                 <property name="maximumSize">
                                  <size>
                                   <width>80</width>
                                   <height>16777215</height>
                                  </size>
                                 </property>
                                 <property name="text">
                                  <string>X (a,b,c,u,v) </string>
                                 </property>
                                 <property name="alignment">
                                  <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                 </property>
                                </widget>
                               </item>
                               <item>
                                <spacer name="horizontalSpacer_5">
                                 <property name="orientation">
                                  <enum>Qt::Horizontal</enum>
                                 </property>
                                 <property name="sizeHint" stdset="0">
                                  <size>
                                   <width>40</width>
                                   <height>20</height>
                                  </size>
                                 </property>
                                </spacer>
                               </item>
                              </layout>
                             </item>
                             <item row="1" column="0">
                              <widget class="QLineEdit" name="Surf_x">
                               <property name="sizePolicy">
                                <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
                                 <horstretch>0</horstretch>
                                 <verstretch>0</verstretch>
                                </sizepolicy>
                               </property>
                               <property name="minimumSize">
                                <size>
                                 <width>0</width>
                                 <height>0</height>
                                </size>
                               </property>
                               <property name="maximumSize">
                                <size>
                                 <width>16777215</width>
                                 <height>16777215</height>
                                </size>
                               </property>
                               <property name="toolTip">
                                <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;The function from Python math module can be used here:&lt;/p&gt;&lt;p&gt;safe_list = ['acos', 'asin', 'atan', 'atan2', 'ceil', 'cos', 'cosh',&lt;/p&gt;&lt;p&gt; 'degrees', 'e', 'exp', 'fabs', 'floor', 'fmod', 'frexp', 'hypot', 'ldexp',&lt;/p&gt;&lt;p&gt; 'log', 'log10', 'modf', 'pi', 'pow', 'radians', 'sin', 'sinh', 'sqrt', 'tan',&lt;/p&gt;&lt;p&gt; 'tanh']&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
                               </property>
                               <property name="text">
                                <string>a*pow(cos(v),3)*pow(cos(u),3)</string>
                               </property>
                               <property name="maxLength">
                                <number>32769</number>
                               </property>
                              </widget>
                             </item>
                             <item row="2" column="0">
                              <layout class="QHBoxLayout" name="horizontalLayout_24">
                               <item>
                                <widget class="QLabel" name="label_y_4">
                                 <property name="maximumSize">
                                  <size>
                                   <width>80</width>
                                   <height>16777215</height>
                                  </size>
                                 </property>
                                 <property name="text">
                                  <string>Y (a,b,c,u,v) </string>
                                 </property>
                                 <property name="alignment">
                                  <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                 </property>
                                </widget>
                               </item>
                               <item>
                                <spacer name="horizontalSpacer_13">
                                 <property name="orientation">
                                  <enum>Qt::Horizontal</enum>
                                 </property>
                                 <property name="sizeHint" stdset="0">
                                  <size>
                                   <width>40</width>
                                   <height>20</height>
                                  </size>
                                 </property>
                                </spacer>
                               </item>
                              </layout>
                             </item>
                             <item row="3" column="0">
                              <widget class="QLineEdit" name="Surf_y">
                               <property name="sizePolicy">
                                <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
                                 <horstretch>0</horstretch>
                                 <verstretch>0</verstretch>
                                </sizepolicy>
                               </property>
                               <property name="minimumSize">
                                <size>
                                 <width>0</width>
                                 <height>0</height>
                                </size>
                               </property>
                               <property name="maximumSize">
                                <size>
                                 <width>16777215</width>
                                 <height>16777215</height>
                                </size>
                               </property>
                               <property name="toolTip">
                                <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;The function from Python math module can be used here:&lt;/p&gt;&lt;p&gt;safe_list = ['acos', 'asin', 'atan', 'atan2', 'ceil', 'cos', 'cosh',&lt;/p&gt;&lt;p&gt; 'degrees', 'e', 'exp', 'fabs', 'floor', 'fmod', 'frexp', 'hypot', 'ldexp',&lt;/p&gt;&lt;p&gt; 'log', 'log10', 'modf', 'pi', 'pow', 'radians', 'sin', 'sinh', 'sqrt', 'tan',&lt;/p&gt;&lt;p&gt; 'tanh']&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
                               </property>
                               <property name="text">
                                <string>b*pow(cos(v),3)*pow(sin(u),3)</string>
                               </property>
                               <property name="maxLength">
                                <number>32769</number>
                               </property>
                              </widget>
                             </item>
                             <item row="4" column="0">
                              <layout class="QHBoxLayout" name="horizontalLayout_25">
                               <item>
                                <widget class="QLabel" name="label_z_2">
                                 <property name="maximumSize">
                                  <size>
                                   <width>80</width>
                                   <height>16777215</height>
                                  </size>
                                 </property>
                                 <property name="text">
                                  <string>Z (a,b,c,u,v) </string>
                                 </property>
                                 <property name="alignment">
                                  <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                                 </property>
                                </widget>
                               </item>
                               <item>
                                <spacer name="horizontalSpacer_14">
                                 <property name="orientation">
                                  <enum>Qt::Horizontal</enum>
                                 </property>
                                 <property name="sizeHint" stdset="0">
                                  <size>
                                   <width>40</width>
                                   <height>20</height>
                                  </size>
                                 </property>
                                </spacer>
                               </item>
                              </layout>
                             </item>
                             <item row="5" column="0">
                              <widget class="QLineEdit" name="Surf_z">
                               <property name="sizePolicy">
                                <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
                                 <horstretch>0</horstretch>
                                 <verstretch>0</verstretch>
                                </sizepolicy>
                               </property>
                               <property name="minimumSize">
                                <size>
                                 <width>0</width>
                                 <height>0</height>
                                </size>
                               </property>
                               <property name="maximumSize">
                                <size>
                                 <width>16777215</width>
                                 <height>16777215</height>
                                </size>
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To save your curve you need to go to &quot;Edit&quot;.</string>
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