358 lines
14 KiB
HTML
358 lines
14 KiB
HTML
<html><head><title>Macro Geodesic Dome</title><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><link type='text/css' href='wiki.css' rel='stylesheet'></head><body><h1>Macro Geodesic Dome</h1></div>
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<div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"><div class="mw-parser-output"><table class="fcinfobox wikitable ct" width="100%" style="float: right; width: 230px; margin-left: 10px;">
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<tr>
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<td class="ctTitle">
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<h3><span class="mw-headline" id="Macro_Geodesic_Dome"><a href="https://www.freecadweb.org/wiki/index.php?title=File:Text-x-python.png" class="image"><img alt="Text-x-python.png" src="32px-Text-x-python.png" width="32" height="32" srcset="/wiki/images/2/2c/Text-x-python.png 1.5x" /></a> Macro Geodesic Dome</span></h3>
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</td></tr>
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<tr>
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<th class="ctOdd">Description
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</th></tr>
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<tr>
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<td class="ctEven left macro-description">This macro creates a geodesic dome
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</td></tr>
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<tr>
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<th class="ctOdd">Author
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</th></tr>
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<tr>
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<td class="ctEven macro-author"><a href="https://www.freecadweb.org/wiki/index.php?title=User:Ulrich_Brammer&action=edit&redlink=1" class="new" title="User:Ulrich Brammer (page does not exist)">Ulrich Brammer</a>
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</td></tr>
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<tr>
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<th class="ctOdd">Links
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</th></tr>
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<tr>
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<td class="ctEven"><a href="Macros_recipes.html" title="Macros recipes">Macros recipes</a><br /><a href="How_to_install_macros.html" title="How to install macros">How to install macros</a><br /><a href="Customize_Toolbars.html" title="Customize Toolbars">How to customize toolbars</a>
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</td></tr>
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<tr>
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<th class="ctOdd">Version
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</th></tr>
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<tr>
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<td class="ctEven macro-version">01.00
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</td></tr>
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<tr>
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<th class="ctOdd">Date last modification
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</th></tr>
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<tr>
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<td class="ctEven macro-date">2015-01-04
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</td></tr>
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<tr>
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<th class="ctOdd">
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</th></tr>
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<tr>
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<td class="ctToc"><br /><div id="toc" class="toc"><div class="toctitle"><h2>Contents</h2></div>
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<ul>
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<li class="toclevel-1"><a href="#Macro_Geodesic_Dome"><span class="tocnumber">1</span> <span class="toctext">Macro Geodesic Dome</span></a></li>
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</ul>
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</div>
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</td></tr>
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</table>
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<p><br />
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</p><p>This macro creates a geodesic dome shell. The dome radius and the frequency parameter will be set at creation time.
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</p><p><br />
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<a href="https://www.freecadweb.org/wiki/index.php?title=File:Geodesic_macro.png" class="image"><img alt="Geodesic macro.png" src="600px-Geodesic_macro.png" width="600" height="532" srcset="/wiki/images/9/97/Geodesic_macro.png 1.5x" /></a>
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</p>
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<div style="clear:both"></div>
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<p><br />
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</p>
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<pre># -*- coding: utf-8 -*-
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# Form implementation generated from reading ui file 'geodesic_dialog.ui'
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# And changed manually to use FreeCAD "Gui::InputField"
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# Created: Sun Jan 4 22:20:58 2015
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# by: pyside-uic 0.2.15 running on PySide 1.2.2
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#
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#
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'''
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************************************************************************
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* Copyright (c)2015 Ulrich Brammer <ulrich1a[at]users.sourceforge.net> *
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* *
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* This file is a supplement to the FreeCAD CAx development system. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License (LGPL) *
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* as published by the Free Software Foundation; either version 2 of *
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* the License, or (at your option) any later version. *
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* for detail see the LICENCE text file. *
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* *
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* This software is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this macro; if not, write to the Free Software *
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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* USA *
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* *
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************************************************************************
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'''
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from PySide import QtCore, QtGui
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import FreeCAD, FreeCADGui, math, Part
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from FreeCAD import Base
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class Ui_Dialog(object):
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def setupUi(self, Dialog):
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Dialog.setObjectName("Dialog")
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Dialog.resize(477, 188)
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self.dia = Dialog
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self.gridLayoutWidget = QtGui.QWidget(Dialog)
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self.gridLayoutWidget.setGeometry(QtCore.QRect(19, 19, 440, 141))
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self.gridLayoutWidget.setObjectName("gridLayoutWidget")
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self.gridLayout = QtGui.QGridLayout(self.gridLayoutWidget)
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self.gridLayout.setContentsMargins(0, 0, 0, 0)
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self.gridLayout.setObjectName("gridLayout")
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self.label = QtGui.QLabel(self.gridLayoutWidget)
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self.label.setObjectName("label")
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self.gridLayout.addWidget(self.label, 0, 0, 1, 1)
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#self.lineEdit = QtGui.QLineEdit(self.gridLayoutWidget)
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fui = FreeCADGui.UiLoader()
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self.lineEdit = fui.createWidget("Gui::InputField")
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self.lineEdit.setObjectName("lineEdit")
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self.gridLayout.addWidget(self.lineEdit, 0, 1, 1, 1)
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self.label_2 = QtGui.QLabel(self.gridLayoutWidget)
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self.label_2.setObjectName("label_2")
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self.gridLayout.addWidget(self.label_2, 1, 0, 1, 1)
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self.lineEdit_2 = QtGui.QLineEdit(self.gridLayoutWidget)
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self.lineEdit_2.setObjectName("lineEdit_2")
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self.gridLayout.addWidget(self.lineEdit_2, 1, 1, 1, 1)
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self.label_3 = QtGui.QLabel(self.gridLayoutWidget)
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self.label_3.setObjectName("label_3")
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self.gridLayout.addWidget(self.label_3, 2, 0, 1, 1)
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self.buttonBox = QtGui.QDialogButtonBox(self.gridLayoutWidget)
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self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
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self.buttonBox.setStandardButtons \
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(QtGui.QDialogButtonBox.Cancel|QtGui.QDialogButtonBox.Ok)
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self.buttonBox.setObjectName("buttonBox")
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self.gridLayout.addWidget(self.buttonBox, 2, 1, 1, 1)
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self.retranslateUi(Dialog)
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QtCore.QObject.connect(self.buttonBox, \
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QtCore.SIGNAL("accepted()"), self.makeSomething)
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QtCore.QObject.connect(self.buttonBox, \
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QtCore.SIGNAL("rejected()"), self.makeNothing)
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QtCore.QMetaObject.connectSlotsByName(Dialog)
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def retranslateUi(self, Dialog):
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Dialog.setWindowTitle(QtGui.QApplication.translate \
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("Dialog", "Geodesic Dome Creator", \
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None, QtGui.QApplication.UnicodeUTF8))
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self.label.setText(QtGui.QApplication.translate \
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("Dialog", "Dome Radius", None, QtGui.QApplication.UnicodeUTF8))
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self.label_2.setText(QtGui.QApplication.translate \
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("Dialog", "Frequency Parameter\n(Integer between 1 to 10)", \
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None,QtGui.QApplication.UnicodeUTF8))
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self.label_3.setText(QtGui.QApplication.translate \
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("Dialog", "This Macro creates \na full geodesic dome shell.\nX-Y-symmetry plane \nfor even frequencies", \
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None, QtGui.QApplication.UnicodeUTF8))
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def makeSomething(self):
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print "accepted! Dome radius: ", self.lineEdit.property("text"), \
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" with Frequency: ", int(self.lineEdit_2.text())
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doc=App.activeDocument()
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label = "GeodesicDome"
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theDome = doc.addObject("Part::Feature",label)
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radius = self.lineEdit.property("text")
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frequency = int(self.lineEdit_2.text())
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self.dia.close()
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self.makeDome(theDome, radius, frequency)
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doc.recompute()
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def makeNothing(self):
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print "rejected!!"
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self.dia.close()
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def makeDome(self, obj, domeRad_str, ny):
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def makeFreqFaces(fPt, sPt, thPt, ny = 1):
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# makes the geodesic dome faces out of the points of an
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# icosahedron triangle
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b = self.a/ny # length of frequent triangles
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# definition of direction vectors
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growVec = (sPt - fPt)
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# growVec = (fPt - sPt)
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growVec.multiply(1.0/ny)
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crossVec = (thPt - sPt)
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# crossVec = (sPt - thPt)
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crossVec.multiply(1.0/ny)
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for k in range(ny):
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kThirdPt = fPt + growVec * (k+0.0)
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dThirdPt = Base.Vector(kThirdPt.x, kThirdPt.y, kThirdPt.z)
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dThirdPt = dThirdPt.normalize().multiply(domeRad.Value)
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kSecPt = fPt + growVec * (k+1.0)
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dSecPt = Base.Vector(kSecPt.x, kSecPt.y, kSecPt.z)
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dSecPt = dSecPt.normalize().multiply(domeRad.Value)
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# thirdEdge = Part.makeLine(kSecPt, kThirdPt)
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# thirdEdge = Part.makeLine(dSecPt, dThirdPt)
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for l in range(k+1):
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firstPt = kSecPt + crossVec *(l+1.0)
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dFirstPt = firstPt.normalize().multiply(domeRad.Value)
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secPt = kSecPt + crossVec *(l+0.0)
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dSecPt =secPt.normalize().multiply(domeRad.Value)
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thirdPt = kThirdPt + crossVec *(l+0.0)
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dThirdPt = thirdPt.normalize().multiply(domeRad.Value)
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#thirdEdge = Part.makeLine(secPt, thirdPt)
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thirdEdge = Part.makeLine(dSecPt, dThirdPt)
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# Part.show(thirdEdge)
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if l > 0:
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print "in l: ", l, " mod 2: ", l%2
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# What to do here?
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#secEdge = Part.makeLine(oThirdPt,thirdPt)
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secEdge = Part.makeLine(doThirdPt,dThirdPt)
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# Part.show(secEdge)
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#thirdEdge = Part.makeLine(secPt, thirdPt)
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#thirdEdge = Part.makeLine(dSecPt, dThirdPt)
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# Part.show(thirdEdge)
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triWire = Part.Wire([firstEdge, secEdge, thirdEdge])
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# Part.show(triWire)
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triFace = Part.Face(triWire)
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self.domeFaces.append(triFace)
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#Part.show(triFace)
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oThirdPt = thirdPt
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doThirdPt = oThirdPt.normalize().multiply(domeRad.Value)
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# oFirstPt = firstPt
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#firstEdge = Part.makeLine(thirdPt,firstPt)
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firstEdge = Part.makeLine(dThirdPt,dFirstPt)
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oFirstEdge = firstEdge
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#secEdge = Part.makeLine(firstPt,secPt)
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secEdge = Part.makeLine(dFirstPt,dSecPt)
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#Part.show(firstEdge)
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#Part.show(secEdge)
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#Part.show(thirdEdge)
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triWire = Part.Wire([firstEdge, secEdge, thirdEdge])
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triFace = Part.Face(triWire)
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self.domeFaces.append(triFace)
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#Part.show(triFace)
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domeRad = FreeCAD.Units.Quantity(domeRad_str)
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# self.a = Strutlength of underlying icosahedron:
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self.a=(4.0*domeRad.Value)/math.sqrt(2.0*math.sqrt(5.0)+10.0)
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# icoAngle: angle of vertices of icosahedron points
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# not a north or south pole
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self.icoAngle = math.atan(0.5)
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self.icoLat = domeRad.Value * math.sin(self.icoAngle)
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self.latRad = domeRad.Value * math.cos(self.icoAngle)
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self.ang36 = math.radians(36.0)
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# Calculation all points of the icosahedron
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self.icoPts = []
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self.icoPts.append(Base.Vector(0.0, 0.0, domeRad.Value))
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for i in range(10):
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self.icoCos = self.latRad * math.cos(i*self.ang36)
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self.icoSin = self.latRad * math.sin(i*self.ang36)
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if i%2 == 0:
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self.icoPts.append(Base.Vector(self.icoSin, self.icoCos, self.icoLat))
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else:
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self.icoPts.append(Base.Vector(self.icoSin, self.icoCos, -self.icoLat))
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self.icoPts.append(Base.Vector(0.0, 0.0, -domeRad.Value))
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# making the faces of the icosahedron
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self.icoFaces = [] # collects faces of the underlying icosahedron
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self.domeFaces = [] # collects the faces of the geodesic dome
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thirdPt = self.icoPts[9]
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thirdEdge = Part.makeLine(self.icoPts[0],thirdPt)
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for i in range(5):
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j = i*2+1
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firstEdge = Part.makeLine(thirdPt,self.icoPts[j])
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secEdge = Part.makeLine(self.icoPts[j],self.icoPts[0])
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triWire = Part.Wire([firstEdge, secEdge, thirdEdge])
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triFace = Part.Face(triWire)
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self.icoFaces.append(triFace)
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# Part.show(triFace)
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makeFreqFaces(self.icoPts[j], self.icoPts[0], thirdPt, ny)
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thirdEdge = Part.makeLine(self.icoPts[0],self.icoPts[j])
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thirdPt = self.icoPts[j]
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thirdPt = self.icoPts[9]
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secPt = self.icoPts[10]
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thirdEdge = Part.makeLine(secPt,thirdPt)
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for i in range(10):
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j = i+1
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firstEdge = Part.makeLine(thirdPt,self.icoPts[j])
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secEdge = Part.makeLine(self.icoPts[j],secPt)
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triWire = Part.Wire([firstEdge, secEdge, thirdEdge])
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triFace = Part.Face(triWire)
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self.icoFaces.append(triFace)
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#Part.show(triFace)
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makeFreqFaces(self.icoPts[j], secPt, thirdPt, ny)
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thirdPt = secPt
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secPt = self.icoPts[j]
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thirdEdge = Part.makeLine(secPt,thirdPt)
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thirdPt = self.icoPts[10]
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thirdEdge = Part.makeLine(self.icoPts[11],thirdPt)
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for i in range(5):
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j = i*2+2
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firstEdge = Part.makeLine(thirdPt,self.icoPts[j])
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secEdge = Part.makeLine(self.icoPts[j],self.icoPts[11])
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triWire = Part.Wire([firstEdge, secEdge, thirdEdge])
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triFace = Part.Face(triWire)
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self.icoFaces.append(triFace)
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#Part.show(triFace)
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makeFreqFaces(self.icoPts[j], self.icoPts[11], thirdPt, ny)
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thirdEdge = Part.makeLine(self.icoPts[11],self.icoPts[j])
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thirdPt = self.icoPts[j]
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# Shell of a corresponding icosahedron
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newShell = Part.Shell(self.icoFaces)
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#Part.show(newShell)
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# Shell of the geodesic dome
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#self.domeShell = Part.Shell(self.domeFaces)
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#Part.show(self.domeShell)
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obj.Shape = Part.Shell(self.domeFaces)
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# Shere with radius of geodesic dome for debugging purposes
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testSphere = Part.makeSphere(domeRad.Value)
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#Part.show(testSphere)
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d = QtGui.QWidget()
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d.ui = Ui_Dialog()
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d.ui.setupUi(d)
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d.ui.lineEdit_2.setText("2")
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d.ui.lineEdit.setProperty("text", "2 m")
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d.show() </pre>
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<p><a rel="nofollow" class="external text" href="https://github.com/FreeCAD/FreeCAD-macros/blob/master/ObjectCreation/GeodesicDome.FCMacro">Get the code from Github here!</a>
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</p>
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<div style="clear:both"></div>
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</div>
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</div>
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</div><div class="printfooter">
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Online version: "<a dir="ltr" href="https://www.freecadweb.org/wiki/index.php?title=Macro_Geodesic_Dome&oldid=240633">http://www.freecadweb.org/wiki/index.php?title=Macro_Geodesic_Dome&oldid=240633</a>"</div>
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<div id="catlinks" class="catlinks" data-mw="interface"></div><div class="visualClear"></div>
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</div>
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</div>
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<div id="mw-navigation">
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<h2>Navigation menu</h2>
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</body></html> |