Added a console interface to create the ship instance

src/Mod/Ship/CMakeLists.txt

@@ -29,6 +29,7 @@ SET(ShipCreateShip_SRCS
 	shipCreateShip/Preview.py
 	shipCreateShip/TaskPanel.py
 	shipCreateShip/TaskPanel.ui
+	shipCreateShip/Tools.ui
 )
 SOURCE_GROUP("shipcreateship" FILES ${ShipCreateShip_SRCS})
 

src/Mod/Ship/Ship.py

@@ -0,0 +1,32 @@
+#***************************************************************************
+#*                                                                         *
+#*   Copyright (c) 2015                                                    *
+#*   Jose Luis Cercos Pita <jlcercos@gmail.com>                            *
+#*                                                                         *
+#*   This program is free software; you can redistribute it and/or modify  *
+#*   it under the terms of the GNU Lesser General Public License (LGPL)    *
+#*   as published by the Free Software Foundation; either version 2 of     *
+#*   the License, or (at your option) any later version.                   *
+#*   for detail see the LICENCE text file.                                 *
+#*                                                                         *
+#*   This program is distributed in the hope that it will be useful,       *
+#*   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+#*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+#*   GNU Library General Public License for more details.                  *
+#*                                                                         *
+#*   You should have received a copy of the GNU Library General Public     *
+#*   License along with this program; if not, write to the Free Software   *
+#*   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
+#*   USA                                                                   *
+#*                                                                         *
+#***************************************************************************
+
+
+__title__="FreeCAD Ship module"
+__author__ = "Jose Luis Cercos-Pita"
+__url__ = "http://www.freecadweb.org"
+
+__doc__="The Ships module provide a set of tools to make some specific Naval" \
+        " Architecture computations"
+
+from shipCreateShip.Tools import createShip

src/Mod/Ship/shipCreateShip/TaskPanel.py

@@ -26,6 +26,7 @@ import FreeCADGui as Gui
 import Units
 from PySide import QtGui, QtCore
 import Preview
+import Tools
 import Instance
 from shipUtils import Paths
 import shipUtils.Units as USys
@@ -40,19 +41,16 @@ class TaskPanel:
     def accept(self):
         """Create the ship instance"""
         self.preview.clean()
-        obj = App.ActiveDocument.addObject("Part::FeaturePython", "Ship")
-        ship = Instance.Ship(obj, self.solids)
-        Instance.ViewProviderShip(obj.ViewObject)
         mw = self.getMainWindow()
         form = mw.findChild(QtGui.QWidget, "TaskPanel")
         form.length = self.widget(QtGui.QLineEdit, "Length")
         form.breadth = self.widget(QtGui.QLineEdit, "Breadth")
         form.draft = self.widget(QtGui.QLineEdit, "Draft")
 
-        obj.Length = Locale.fromString(form.length.text())
+        Tools.createShip(self.solids,
-        obj.Breadth = Locale.fromString(form.breadth.text())
+                         Locale.fromString(form.length.text()),
-        obj.Draft = Locale.fromString(form.draft.text())
+                         Locale.fromString(form.breadth.text()),
-        App.ActiveDocument.recompute()
+                         Locale.fromString(form.draft.text()))
         return True
 
     def reject(self):

src/Mod/Ship/shipCreateShip/Tools.py

@@ -0,0 +1,65 @@
+#***************************************************************************
+#*                                                                         *
+#*   Copyright (c) 2011, 2012                                              *
+#*   Jose Luis Cercos Pita <jlcercos@gmail.com>                            *
+#*                                                                         *
+#*   This program is free software; you can redistribute it and/or modify  *
+#*   it under the terms of the GNU Lesser General Public License (LGPL)    *
+#*   as published by the Free Software Foundation; either version 2 of     *
+#*   the License, or (at your option) any later version.                   *
+#*   for detail see the LICENCE text file.                                 *
+#*                                                                         *
+#*   This program is distributed in the hope that it will be useful,       *
+#*   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+#*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+#*   GNU Library General Public License for more details.                  *
+#*                                                                         *
+#*   You should have received a copy of the GNU Library General Public     *
+#*   License along with this program; if not, write to the Free Software   *
+#*   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
+#*   USA                                                                   *
+#*                                                                         *
+#***************************************************************************
+
+
+import FreeCAD as App
+import Instance
+
+
+def createShip(solids, L, B, T):
+    """Create a new ship instance
+
+    Position arguments:
+    solids -- List of hull solid shapes
+    L -- Ship length between perpendiculars
+    B -- Ship Breadth
+    T -- Ship design draft
+
+    Returned value:
+    The new ship object
+
+    The solids can be easily extracted from an already existing object. For
+    instance, to get the solids from the selected object simply type the
+    following command:
+
+    solids = Gui.ActiveDocument.ActiveObject.Object.Shape.Solids
+
+    Regarding the Lenght, Breadth, and Draft, it is strongly recommended to use
+    Units.parseQuantity method, e.g. The following obfuscated code snippet build
+    such variables:
+
+    import Units
+    L = Units.parseQuantity("25.5 m")
+    B = Units.parseQuantity("3.9 m")
+    T = Units.parseQuantity("1.0 m")
+    """
+    obj = App.ActiveDocument.addObject("Part::FeaturePython", "Ship")
+    ship = Instance.Ship(obj, solids)
+    Instance.ViewProviderShip(obj.ViewObject)
+
+    obj.Length = L
+    obj.Breadth = B
+    obj.Draft = T
+
+    App.ActiveDocument.recompute()
+    return obj