00001 """
00002 An example for a high-level cutsom feature object to form a full-parametric parallelepiped.
00003
00004 ***************************************************************************
00005 * Copyright (c) 2011 Werner Mayer <wmayer[at]users.sourceforge.net> *
00006 * *
00007 * This file is part of the FreeCAD CAx development system. *
00008 * *
00009 * This program is free software; you can redistribute it and/or modify *
00010 * it under the terms of the GNU General Public License (GPL) *
00011 * as published by the Free Software Foundation; either version 2 of *
00012 * the License, or (at your option) any later version. *
00013 * for detail see the LICENCE text file. *
00014 * *
00015 * FreeCAD is distributed in the hope that it will be useful, *
00016 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
00017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
00018 * GNU Library General Public License for more details. *
00019 * *
00020 * You should have received a copy of the GNU Library General Public *
00021 * License along with FreeCAD; if not, write to the Free Software *
00022 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
00023 * USA *
00024 * *
00025 ***************************************************************************
00026 """
00027
00028 __author__ = "Werner Mayer <wmayer@users.sourceforge.net>"
00029
00030 import FreeCAD, Part, math
00031 from FreeCAD import Base
00032
00033 class Parallelepiped:
00034 def __init__(self, obj):
00035 ''' Add the properties: Length, Edges, Radius, Height '''
00036 obj.addProperty("App::PropertyVector","A","Parallelepiped","Vector").A=Base.Vector(1,0,0)
00037 obj.addProperty("App::PropertyVector","B","Parallelepiped","Vector").B=Base.Vector(0,1,0)
00038 obj.addProperty("App::PropertyVector","C","Parallelepiped","Vector").C=Base.Vector(0,0,1)
00039 obj.Proxy = self
00040
00041 def onChanged(self, fp, prop):
00042 if prop == "A" or prop == "B" or prop == "C":
00043 self.execute(fp)
00044
00045 def execute(self, fp):
00046 a = fp.A
00047 b = fp.B
00048 c = fp.C
00049
00050 m=Base.Matrix()
00051 m.A11=a.x
00052 m.A12=a.y
00053 m.A13=a.z
00054 m.A21=b.x
00055 m.A22=b.y
00056 m.A23=b.z
00057 m.A31=c.x
00058 m.A32=c.y
00059 m.A33=c.z
00060 box = Part.makeBox(1,1,1)
00061 fp.Shape = box.transformGeometry(m)
00062
00063 class BoxCylinder:
00064 def __init__(self, obj):
00065 obj.addProperty("App::PropertyFloat","Length","BoxCylinder","Length").Length=10.0
00066 obj.addProperty("App::PropertyFloat","Width","BoxCylinder","Width").Width=10.0
00067 obj.addProperty("App::PropertyLink","Source","BoxCylinder","Source").Source=None
00068 obj.Proxy = self
00069
00070 def onChanged(self, fp, prop):
00071 if prop == "Length" or prop == "Width":
00072 self.execute(fp)
00073
00074 def execute(self, fp):
00075 FreeCAD.Console.PrintMessage(str(fp.Source)+"\n")
00076 if fp.Source is None:
00077 return
00078 r = fp.Source.Radius
00079 l = fp.Length
00080 w = fp.Width
00081 h = 2*r+10
00082 fp.Shape = Part.makeBox(l,w,h)
00083
00084 def makeParallelepiped():
00085 doc = FreeCAD.activeDocument()
00086 if doc == None:
00087 doc = FreeCAD.newDocument()
00088 obj=doc.addObject("Part::FeaturePython","Parallelepiped")
00089 obj.Label = "Parallelepiped"
00090 Parallelepiped(obj)
00091 obj.ViewObject.Proxy=0
00092
00093
00094 def makeBoxCylinder():
00095 doc = FreeCAD.activeDocument()
00096 if doc == None:
00097 doc = FreeCAD.newDocument()
00098 cyl=doc.addObject("Part::Cylinder","Cylinder")
00099 cyl.Radius=16.0
00100 cyl.Height=800.0
00101 obj=doc.addObject("Part::FeaturePython","Box")
00102 BoxCylinder(obj)
00103 obj.Source=cyl
00104 obj.Length=800.0
00105 obj.Width=600.0
00106 obj.ViewObject.Proxy=0
00107 doc.recompute()
