156 lines
7.0 KiB
Python
156 lines
7.0 KiB
Python
#***************************************************************************
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#* *
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#* Copyright (c) 2012 *
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#* Yorik van Havre <yorik@uncreated.net> *
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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 program 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 program; 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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import FreeCAD,FreeCADGui,Draft,ArchComponent, DraftVecUtils
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from FreeCAD import Vector
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from PyQt4 import QtCore
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from DraftTools import translate
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__title__="FreeCAD Roof"
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__author__ = "Yorik van Havre"
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__url__ = "http://free-cad.sourceforge.net"
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def makeRoof(baseobj,facenr=1,angle=45,name=str(translate("Arch","Roof"))):
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'''makeRoof(baseobj,[facenr],[angle],[name]) : Makes a roof based on a
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face from an existing object. You can provide the number of the face
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to build the roof on (default = 1), the angle (default=45) and a name (default
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= roof).'''
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obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython",name)
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_Roof(obj)
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_ViewProviderRoof(obj.ViewObject)
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obj.Base = baseobj
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obj.Face = facenr
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obj.Angle = angle
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return obj
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class _CommandRoof:
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"the Arch Roof command definition"
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def GetResources(self):
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return {'Pixmap' : 'Arch_Roof',
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'MenuText': QtCore.QT_TRANSLATE_NOOP("Arch_Roof","Roof"),
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'Accel': "R, F",
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'ToolTip': QtCore.QT_TRANSLATE_NOOP("Arch_Roof","Creates a roof object from the selected face of an object")}
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def IsActive(self):
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if FreeCADGui.Selection.getSelection():
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return True
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else:
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return False
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def Activated(self):
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sel = FreeCADGui.Selection.getSelectionEx()
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if sel:
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sel = sel[0]
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obj = sel.Object
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if sel.HasSubObjects:
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if "Face" in sel.SubElementNames[0]:
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idx = int(sel.SubElementNames[0][4:])
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FreeCAD.ActiveDocument.openTransaction(str(translate("Arch","Create Roof")))
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FreeCADGui.doCommand("import Arch")
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FreeCADGui.doCommand("Arch.makeRoof(FreeCAD.ActiveDocument."+obj.Name+","+str(idx)+")")
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FreeCAD.ActiveDocument.commitTransaction()
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FreeCAD.ActiveDocument.recompute()
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return
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if obj.isDerivedFrom("Part::Feature"):
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if obj.Shape.Wires:
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FreeCAD.ActiveDocument.openTransaction(str(translate("Arch","Create Roof")))
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FreeCADGui.doCommand("import Arch")
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FreeCADGui.doCommand("Arch.makeRoof(FreeCAD.ActiveDocument."+obj.Name+")")
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FreeCAD.ActiveDocument.commitTransaction()
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FreeCAD.ActiveDocument.recompute()
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return
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else:
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FreeCAD.Console.PrintMessage(str(translate("Arch","Unable to create a roof")))
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else:
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FreeCAD.Console.PrintMessage(str(translate("Arch","No object selected")))
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class _Roof(ArchComponent.Component):
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"The Roof object"
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def __init__(self,obj):
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ArchComponent.Component.__init__(self,obj)
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obj.addProperty("App::PropertyAngle","Angle","Base",
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str(translate("Arch","The angle of this roof")))
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obj.addProperty("App::PropertyInteger","Face","Base",
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str(translate("Arch","The face number of the base object used to build this roof")))
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self.Type = "Structure"
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def execute(self,obj):
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self.createGeometry(obj)
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def onChanged(self,obj,prop):
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if prop in ["Base","Face","Angle","Additions","Subtractions"]:
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self.createGeometry(obj)
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def createGeometry(self,obj):
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import Part, math, DraftGeomUtils
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pl = obj.Placement
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if obj.Base and obj.Angle:
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w = None
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if obj.Base.isDerivedFrom("Part::Feature"):
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if (obj.Base.Shape.Faces and obj.Face):
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w = obj.Base.Shape.Faces[obj.Face-1].Wires[0]
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elif obj.Base.Shape.Wires:
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w = obj.Base.Shape.Wires[0]
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if w:
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if w.isClosed():
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f = Part.Face(w)
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norm = f.normalAt(0,0)
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c = round(math.tan(math.radians(obj.Angle)),Draft.precision())
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d = f.BoundBox.DiagonalLength
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edges = DraftGeomUtils.sortEdges(f.Edges)
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l = len(edges)
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edges.append(edges[0])
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shps = []
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for i in range(l):
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v = DraftGeomUtils.vec(DraftGeomUtils.angleBisection(edges[i],edges[i+1]))
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v.normalize()
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bis = v.getAngle(DraftGeomUtils.vec(edges[i]))
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delta = 1/math.cos(bis)
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v.multiply(delta)
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n = (FreeCAD.Vector(norm)).multiply(c)
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dv = v.add(n)
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dv.normalize()
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dv.scale(d,d,d)
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shps.append(f.extrude(dv))
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c = shps.pop()
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for s in shps:
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c = c.common(s)
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c = c.removeSplitter()
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if not c.isNull():
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obj.Shape = c
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if not DraftGeomUtils.isNull(pl):
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obj.Placement = pl
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class _ViewProviderRoof(ArchComponent.ViewProviderComponent):
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"A View Provider for the Roof object"
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def __init__(self,vobj):
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ArchComponent.ViewProviderComponent.__init__(self,vobj)
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def getIcon(self):
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import Arch_rc
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return ":/icons/Arch_Roof_Tree.svg"
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FreeCADGui.addCommand('Arch_Roof',_CommandRoof())
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