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create/src/Mod/PartDesign/PartDesignTests/TestLoft.py

149 lines
7.5 KiB
Python

#***************************************************************************
#* Copyright (c) 2011 Juergen Riegel <FreeCAD@juergen-riegel.net> *
#* *
#* 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 unittest
import FreeCAD
from FreeCAD import Base
from FreeCAD import Units
import Part
import Sketcher
import TestSketcherApp
class TestLoft(unittest.TestCase):
def setUp(self):
self.Doc = FreeCAD.newDocument("PartDesignTestLoft")
def testSimpleAdditiveLoftCase(self):
self.Body = self.Doc.addObject('PartDesign::Body','Body')
self.ProfileSketch = self.Doc.addObject('Sketcher::SketchObject', 'ProfileSketch')
self.Body.addObject(self.ProfileSketch)
TestSketcherApp.CreateRectangleSketch(self.ProfileSketch, (0, 0), (1, 1))
self.Doc.recompute()
self.LoftSketch = self.Doc.addObject('Sketcher::SketchObject', 'LoftSketch')
self.Body.addObject(self.LoftSketch)
self.LoftSketch.MapMode = 'FlatFace'
self.LoftSketch.AttachmentSupport = (self.Doc.XZ_Plane, [''])
self.Doc.recompute()
TestSketcherApp.CreateRectangleSketch(self.LoftSketch, (0, 1), (1, 1))
self.Doc.recompute()
self.AdditiveLoft = self.Doc.addObject("PartDesign::AdditiveLoft","AdditiveLoft")
self.Body.addObject(self.AdditiveLoft)
self.AdditiveLoft.Profile = self.ProfileSketch
self.AdditiveLoft.Sections = [self.LoftSketch]
self.Doc.recompute()
self.assertAlmostEqual(self.AdditiveLoft.Shape.Volume, 1)
def testSimpleSubtractiveLoftCase(self):
self.Body = self.Doc.addObject('PartDesign::Body','Body')
self.PadSketch = self.Doc.addObject('Sketcher::SketchObject', 'SketchPad')
self.Body.addObject(self.PadSketch)
TestSketcherApp.CreateRectangleSketch(self.PadSketch, (0, 0), (1, 1))
self.Doc.recompute()
self.Pad = self.Doc.addObject("PartDesign::Pad", "Pad")
self.Body.addObject(self.Pad)
self.Pad.Profile = self.PadSketch
self.Pad.Length = 2
self.Doc.recompute()
self.ProfileSketch = self.Doc.addObject('Sketcher::SketchObject', 'ProfileSketch')
self.Body.addObject(self.ProfileSketch)
TestSketcherApp.CreateRectangleSketch(self.ProfileSketch, (0, 0), (1, 1))
self.Doc.recompute()
self.LoftSketch = self.Doc.addObject('Sketcher::SketchObject', 'LoftSketch')
self.Body.addObject(self.LoftSketch)
self.LoftSketch.MapMode = 'FlatFace'
self.LoftSketch.AttachmentSupport = (self.Doc.XZ_Plane, [''])
self.Doc.recompute()
TestSketcherApp.CreateRectangleSketch(self.LoftSketch, (0, 1), (1, 1))
self.Doc.recompute()
self.SubtractiveLoft = self.Doc.addObject("PartDesign::SubtractiveLoft","SubtractiveLoft")
self.Body.addObject(self.SubtractiveLoft)
self.SubtractiveLoft.Profile = self.ProfileSketch
self.SubtractiveLoft.Sections = [self.LoftSketch]
self.Doc.recompute()
self.assertAlmostEqual(self.SubtractiveLoft.Shape.Volume, 1)
def testClosedAdditiveLoftCase(self):
""" Test issue #6156: Loft tool "Closed" option not working """
body = self.Doc.addObject('PartDesign::Body','Body')
sketch1 = body.newObject('Sketcher::SketchObject','Sketch')
sketch1.AttachmentSupport = (self.Doc.XZ_Plane,[''])
sketch1.MapMode = 'FlatFace'
sketch1.addGeometry(Part.Circle(Base.Vector(-40.0,0.0,0.0),Base.Vector(0,0,1),10.0), False)
sketch1.addConstraint(Sketcher.Constraint('PointOnObject',0,3,-1))
sketch1.addConstraint(Sketcher.Constraint('Diameter',0,20.0))
sketch1.setDatum(1,Units.Quantity('20.000000 mm'))
sketch1.addConstraint(Sketcher.Constraint('Distance',-1,1,0,3,40.0))
sketch1.setDatum(2,Units.Quantity('40.000000 mm'))
sketch2 = body.newObject('Sketcher::SketchObject','Sketch001')
sketch2.AttachmentSupport = (self.Doc.YZ_Plane,'')
sketch2.MapMode = 'FlatFace'
sketch2.addGeometry(Part.Circle(Base.Vector(-10.0,0.0,0.0),Base.Vector(0,0,1),10.0),False)
sketch2.addConstraint(Sketcher.Constraint('PointOnObject',0,3,-1))
sketch2.addConstraint(Sketcher.Constraint('Diameter',0,20.0))
sketch2.setDatum(1,Units.Quantity('20.000000 mm'))
sketch2.addConstraint(Sketcher.Constraint('Distance',-1,1,0,3,40.0))
sketch2.setDatum(2,Units.Quantity('40.000000 mm'))
sketch3 = body.newObject('Sketcher::SketchObject','Sketch002')
sketch3.AttachmentSupport = (self.Doc.getObject('YZ_Plane'),'')
sketch3.MapMode = 'FlatFace'
sketch3.addGeometry(Part.Circle(Base.Vector(40.0,0.0,0.0),Base.Vector(0,0,1),10.0),False)
sketch3.addConstraint(Sketcher.Constraint('PointOnObject',0,3,-1))
sketch3.addConstraint(Sketcher.Constraint('Distance',-1,1,0,3,40.0))
sketch3.setDatum(1,Units.Quantity('40.000000 mm'))
sketch3.addConstraint(Sketcher.Constraint('Diameter',0,20.0))
sketch3.setDatum(2,Units.Quantity('20.000000 mm'))
sketch4 = body.newObject('Sketcher::SketchObject','Sketch003')
sketch4.AttachmentSupport = (self.Doc.XZ_Plane,'')
sketch4.MapMode = 'FlatFace'
sketch4.addGeometry(Part.Circle(Base.Vector(40.0,0.0,0.0),Base.Vector(0,0,1),10.0),False)
sketch4.addConstraint(Sketcher.Constraint('PointOnObject',0,3,-1))
sketch4.addConstraint(Sketcher.Constraint('Distance',-1,1,0,3,40.0))
sketch4.setDatum(1,Units.Quantity('40.000000 mm'))
sketch4.addConstraint(Sketcher.Constraint('Diameter',0,20.0))
sketch4.setDatum(2,Units.Quantity('20.000000 mm'))
self.Doc.recompute()
loft = body.newObject('PartDesign::AdditiveLoft','AdditiveLoft')
loft.Profile = sketch1
loft.Sections = [sketch2, sketch4, sketch3]
loft.Closed = True
sketch1.Visibility = False
sketch2.Visibility = False
sketch3.Visibility = False
sketch4.Visibility = False
self.Doc.recompute()
self.assertGreater(loft.Shape.Volume, 80000.0) # 85105.5788704151
def tearDown(self):
#closing doc
FreeCAD.closeDocument("PartDesignTestLoft")
#print ("omit closing document for debugging")