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TestSketcherApp.py
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TestSketcherApp.py
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# (c) Juergen Riegel (FreeCAD@juergen-riegel.net) 2011 LGPL *
# *
# This file is part of the FreeCAD CAx development system. *
# *
# 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. *
# *
# FreeCAD 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 FreeCAD; if not, write to the Free Software *
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# USA *
#**************************************************************************
import FreeCAD, os, sys, unittest, Part, Sketcher
App = FreeCAD
def CreateRectangleSketch(SketchFeature, corner, lengths):
hmin, hmax = corner[0], corner[0] + lengths[0]
vmin, vmax = corner[1], corner[1] + lengths[1]
# add the geometry and grab the count offset
i = int(SketchFeature.GeometryCount)
SketchFeature.addGeometry(Part.LineSegment(FreeCAD.Vector(hmin,vmax),FreeCAD.Vector(hmax,vmax,0)))
SketchFeature.addGeometry(Part.LineSegment(FreeCAD.Vector(hmax,vmax,0),FreeCAD.Vector(hmax,vmin,0)))
SketchFeature.addGeometry(Part.LineSegment(FreeCAD.Vector(hmax,vmin,0),FreeCAD.Vector(hmin,vmin,0)))
SketchFeature.addGeometry(Part.LineSegment(FreeCAD.Vector(hmin,vmin,0),FreeCAD.Vector(hmin,vmax,0)))
# add the rectangular constraints
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',i+0,2,i+1,1))
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',i+1,2,i+2,1))
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',i+2,2,i+3,1))
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',i+3,2,i+0,1))
SketchFeature.addConstraint(Sketcher.Constraint('Horizontal',i+0))
SketchFeature.addConstraint(Sketcher.Constraint('Horizontal',i+2))
SketchFeature.addConstraint(Sketcher.Constraint('Vertical',i+1))
SketchFeature.addConstraint(Sketcher.Constraint('Vertical',i+3))
# Fix the bottom left corner of the rectangle
SketchFeature.addConstraint(Sketcher.Constraint('DistanceX',i+2,2,corner[0]))
SketchFeature.addConstraint(Sketcher.Constraint('DistanceY',i+2,2,corner[1]))
# add dimensions
if lengths[0] == lengths[1]:
SketchFeature.addConstraint(Sketcher.Constraint('Equal',i+2,i+3))
SketchFeature.addConstraint(Sketcher.Constraint('Distance',i+0,hmax-hmin))
else:
SketchFeature.addConstraint(Sketcher.Constraint('Distance',i+1,vmax-vmin))
SketchFeature.addConstraint(Sketcher.Constraint('Distance',i+0,hmax-hmin))
def CreateCircleSketch(SketchFeature, center, radius):
i = int(SketchFeature.GeometryCount)
SketchFeature.addGeometry(Part.Circle(App.Vector(*center), App.Vector(0,0,1), radius),False)
SketchFeature.addConstraint(Sketcher.Constraint('Radius',i,radius))
SketchFeature.addConstraint(Sketcher.Constraint('DistanceX',i,3,center[0]))
SketchFeature.addConstraint(Sketcher.Constraint('DistanceY',i,3,center[1]))
def CreateBoxSketchSet(SketchFeature):
SketchFeature.addGeometry(Part.LineSegment(FreeCAD.Vector(-99.230339,36.960674,0),FreeCAD.Vector(69.432587,36.960674,0)))
SketchFeature.addGeometry(Part.LineSegment(FreeCAD.Vector(69.432587,36.960674,0),FreeCAD.Vector(69.432587,-53.196629,0)))
SketchFeature.addGeometry(Part.LineSegment(FreeCAD.Vector(69.432587,-53.196629,0),FreeCAD.Vector(-99.230339,-53.196629,0)))
SketchFeature.addGeometry(Part.LineSegment(FreeCAD.Vector(-99.230339,-53.196629,0),FreeCAD.Vector(-99.230339,36.960674,0)))
# add the constraints
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',0,2,1,1))
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',1,2,2,1))
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',2,2,3,1))
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',3,2,0,1))
SketchFeature.addConstraint(Sketcher.Constraint('Horizontal',0))
SketchFeature.addConstraint(Sketcher.Constraint('Horizontal',2))
SketchFeature.addConstraint(Sketcher.Constraint('Vertical',1))
SketchFeature.addConstraint(Sketcher.Constraint('Vertical',3))
# add dimensions
SketchFeature.addConstraint(Sketcher.Constraint('Distance',1,81.370787))
SketchFeature.addConstraint(Sketcher.Constraint('Distance',0,187.573036))
def CreateSlotPlateSet(SketchFeature):
SketchFeature.addGeometry(Part.LineSegment(App.Vector(60.029362,-30.279360,0),App.Vector(-120.376335,-30.279360,0)))
SketchFeature.addConstraint(Sketcher.Constraint('Horizontal',0))
SketchFeature.addGeometry(Part.LineSegment(App.Vector(-120.376335,-30.279360,0),App.Vector(-70.193062,38.113884,0)))
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',0,2,1,1))
SketchFeature.addGeometry(Part.LineSegment(App.Vector(-70.193062,38.113884,0),App.Vector(60.241116,37.478645,0)))
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',1,2,2,1))
SketchFeature.addConstraint(Sketcher.Constraint('Horizontal',2))
SketchFeature.addGeometry(Part.ArcOfCircle(Part.Circle(App.Vector(60.039921,3.811391,0),App.Vector(0,0,1),35.127132),-1.403763,1.419522))
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',3,2,2,2))
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',3,1,0,1))
SketchFeature.addConstraint(Sketcher.Constraint('Tangent',2,2,3,2))
SketchFeature.addConstraint(Sketcher.Constraint('Tangent',0,1,3,1))
SketchFeature.addConstraint(Sketcher.Constraint('Angle',0,2,1,1,0.947837))
SketchFeature.addConstraint(Sketcher.Constraint('Distance',0,184.127425))
SketchFeature.setDatum(9,200.000000)
SketchFeature.addConstraint(Sketcher.Constraint('Radius',3,38.424808))
SketchFeature.setDatum(10,40.000000)
SketchFeature.setDatum(8,0.872665)
SketchFeature.addConstraint(Sketcher.Constraint('DistanceX',0,2,0.0))
SketchFeature.setDatum(11,0.000000)
SketchFeature.movePoint(0,2,App.Vector(-0.007829,-33.376450,0))
SketchFeature.movePoint(0,2,App.Vector(-0.738149,-10.493386,0))
SketchFeature.movePoint(0,2,App.Vector(-0.007829,2.165328,0))
SketchFeature.addConstraint(Sketcher.Constraint('DistanceY',0,2,2.165328))
SketchFeature.setDatum(12,0.000000)
def CreateSlotPlateInnerSet(SketchFeature):
SketchFeature.addGeometry(Part.Circle(App.Vector(195.055893,39.562252,0),App.Vector(0,0,1),29.846098))
SketchFeature.addGeometry(Part.LineSegment(App.Vector(150.319031,13.449363,0),App.Vector(36.700474,13.139774,0)))
SketchFeature.addConstraint(Sketcher.Constraint('Horizontal',5))
SketchFeature.addGeometry(Part.LineSegment(App.Vector(36.700474,13.139774,0),App.Vector(77.566010,63.292927,0)))
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',5,2,6,1))
SketchFeature.addGeometry(Part.LineSegment(App.Vector(77.566010,63.292927,0),App.Vector(148.151917,63.602505,0)))
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',6,2,7,1))
SketchFeature.addConstraint(Sketcher.Constraint('Horizontal',7))
SketchFeature.addConstraint(Sketcher.Constraint('Parallel',1,6))
SketchFeature.addGeometry(Part.ArcOfCircle(Part.Circle(App.Vector(192.422913,38.216347,0),App.Vector(0,0,1),45.315174),2.635158,3.602228))
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',7,2,8,1))
SketchFeature.addConstraint(Sketcher.Constraint('Coincident',8,2,5,1))
#---------------------------------------------------------------------------
# define the test cases to test the FreeCAD Sketcher module
#---------------------------------------------------------------------------
class SketcherSolverTestCases(unittest.TestCase):
def setUp(self):
self.Doc = FreeCAD.newDocument("SketchSolverTest")
def testBoxCase(self):
self.Box = self.Doc.addObject('Sketcher::SketchObject','SketchBox')
CreateBoxSketchSet(self.Box)
self.Doc.recompute()
# moving a point of the sketch
self.Box.movePoint(0,2,App.Vector(88.342697,28.174158,0))
# fully constrain
self.Box.addConstraint(Sketcher.Constraint('DistanceX',1,2,90.0))
self.Box.addConstraint(Sketcher.Constraint('DistanceY',1,2,-50.0))
self.Doc.recompute()
def testSlotCase(self):
self.Slot = self.Doc.addObject('Sketcher::SketchObject','SketchSlot')
CreateSlotPlateSet(self.Slot)
self.Doc.recompute()
# test if all edges created
self.failUnless(len(self.Slot.Shape.Edges) == 4)
CreateSlotPlateInnerSet(self.Slot)
self.Doc.recompute()
self.failUnless(len(self.Slot.Shape.Edges) == 9)
def tearDown(self):
#closing doc
FreeCAD.closeDocument("SketchSolverTest")
#print ("omit close document for debugging")