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create/src/Mod/PartDesign/PartDesignTests/TestLinearPattern.py
wmayer d1c62470be PD: Make PD tests more robust 
If in the user settings the refinement is switched off several PD tests will fail. This change explicitly sets the Refine property to True to guarantee correct behaviour
2024-08-18 11:50:33 -05:00

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#***************************************************************************
#* 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
import TestSketcherApp
class TestLinearPattern(unittest.TestCase):
def setUp(self):
self.Doc = FreeCAD.newDocument("PartDesignTestLinearPattern")
def testXAxisLinearPattern(self):
self.Body = self.Doc.addObject('PartDesign::Body','Body')
self.Box = self.Doc.addObject('PartDesign::AdditiveBox','Box')
self.Body.addObject(self.Box)
self.Box.Length=10.00
self.Box.Width=10.00
self.Box.Height=10.00
self.Doc.recompute()
self.LinearPattern = self.Doc.addObject("PartDesign::LinearPattern","LinearPattern")
self.LinearPattern.Originals = [self.Box]
self.LinearPattern.Direction = (self.Doc.X_Axis,[""])
self.LinearPattern.Length = 90.0
self.LinearPattern.Occurrences = 10
self.LinearPattern.Refine = True
self.Body.addObject(self.LinearPattern)
self.Doc.recompute()
self.assertAlmostEqual(self.LinearPattern.Shape.Volume, 1e4)
# 44 + 84 + 42 = 170. 44 - 8 = 36 / 9 = 4. 84-12 = 72 / 9 = 8. 42 - 6 = 36 / 9 = 4
# We have the original 26 from the first shape, plus 4 more vertices, 8 more edges and
# 4 more faces for each additional copy. Since they have to touch ( single shape rule ),
# We're adding 4 points to define each additional prism's new points, 8 edges makes sense,
# and 4 faces makes sense since we're defining essentially a tube, not a box for each copy.
# self.assertNotEqual(self.LinearPattern.Shape.ElementReverseMap["Vertex44"], "")
# self.assertNotEqual(self.LinearPattern.Shape.ElementReverseMap["Edge84"], "")
# self.assertNotEqual(self.LinearPattern.Shape.ElementReverseMap["Face42"], "")
#
# self.assertEqual(self.LinearPattern.Shape.ElementMapSize, 170) # TODO
self.assertEqual(self.LinearPattern.Shape.ElementMapSize, 26)
def testYAxisLinearPattern(self):
self.Body = self.Doc.addObject('PartDesign::Body','Body')
self.Box = self.Doc.addObject('PartDesign::AdditiveBox','Box')
self.Body.addObject(self.Box)
self.Box.Length=10.00
self.Box.Width=10.00
self.Box.Height=10.00
self.Doc.recompute()
self.LinearPattern = self.Doc.addObject("PartDesign::LinearPattern","LinearPattern")
self.LinearPattern.Originals = [self.Box]
self.LinearPattern.Direction = (self.Doc.Y_Axis,[""])
self.LinearPattern.Length = 90.0
self.LinearPattern.Occurrences = 10
self.LinearPattern.Refine = True
self.Body.addObject(self.LinearPattern)
self.Doc.recompute()
self.assertAlmostEqual(self.LinearPattern.Shape.Volume, 1e4)
# self.assertEqual(self.LinearPattern.Shape.ElementMapSize, 170) # TODO
self.assertEqual(self.LinearPattern.Shape.ElementMapSize, 26)
def testZAxisLinearPattern(self):
self.Body = self.Doc.addObject('PartDesign::Body','Body')
self.Box = self.Doc.addObject('PartDesign::AdditiveBox','Box')
self.Body.addObject(self.Box)
self.Box.Length=10.00
self.Box.Width=10.00
self.Box.Height=10.00
self.Doc.recompute()
self.LinearPattern = self.Doc.addObject("PartDesign::LinearPattern","LinearPattern")
self.LinearPattern.Originals = [self.Box]
self.LinearPattern.Direction = (self.Doc.Z_Axis,[""])
self.LinearPattern.Length = 90.0
self.LinearPattern.Occurrences = 10
self.LinearPattern.Refine = True
self.Body.addObject(self.LinearPattern)
self.Doc.recompute()
self.assertAlmostEqual(self.LinearPattern.Shape.Volume, 1e4)
# self.assertEqual(self.LinearPattern.Shape.ElementMapSize, 170) # TODO
self.assertEqual(self.LinearPattern.Shape.ElementMapSize, 26)
def testNormalSketchAxisLinearPattern(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), (10, 10))
self.Doc.recompute()
self.Pad = self.Doc.addObject("PartDesign::Pad", "Pad")
self.Body.addObject(self.Pad)
self.Pad.Profile = self.PadSketch
self.Pad.Length = 10
self.Doc.recompute()
self.LinearPattern = self.Doc.addObject("PartDesign::LinearPattern","LinearPattern")
self.LinearPattern.Originals = [self.Pad]
self.LinearPattern.Direction = (self.PadSketch,["N_Axis"])
self.LinearPattern.Length = 90.0
self.LinearPattern.Occurrences = 10
self.LinearPattern.Refine = True
self.Body.addObject(self.LinearPattern)
self.Doc.recompute()
self.assertAlmostEqual(self.LinearPattern.Shape.Volume, 1e4)
# self.assertEqual(self.LinearPattern.Shape.ElementMapSize, 170) # TODO
self.assertEqual(self.LinearPattern.Shape.ElementMapSize, 26)
def testVerticalSketchAxisLinearPattern(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), (10, 10))
self.Doc.recompute()
self.Pad = self.Doc.addObject("PartDesign::Pad", "Pad")
self.Body.addObject(self.Pad)
self.Pad.Profile = self.PadSketch
self.Pad.Length = 10
self.Doc.recompute()
self.LinearPattern = self.Doc.addObject("PartDesign::LinearPattern","LinearPattern")
self.LinearPattern.Originals = [self.Pad]
self.LinearPattern.Direction = (self.PadSketch,["V_Axis"])
self.LinearPattern.Length = 90.0
self.LinearPattern.Occurrences = 10
self.LinearPattern.Refine = True
self.Body.addObject(self.LinearPattern)
self.Doc.recompute()
self.assertAlmostEqual(self.LinearPattern.Shape.Volume, 1e4)
# self.assertEqual(self.LinearPattern.Shape.ElementMapSize, 170) # TODO
self.assertEqual(self.LinearPattern.Shape.ElementMapSize, 26)
def testHorizontalSketchAxisLinearPattern(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), (10, 10))
self.Doc.recompute()
self.Pad = self.Doc.addObject("PartDesign::Pad", "Pad")
self.Body.addObject(self.Pad)
self.Pad.Profile = self.PadSketch
self.Pad.Length = 10
self.Doc.recompute()
self.LinearPattern = self.Doc.addObject("PartDesign::LinearPattern","LinearPattern")
self.LinearPattern.Originals = [self.Pad]
self.LinearPattern.Direction = (self.PadSketch,["H_Axis"])
self.LinearPattern.Length = 90.0
self.LinearPattern.Occurrences = 10
self.LinearPattern.Refine = True
self.Body.addObject(self.LinearPattern)
self.Doc.recompute()
self.assertAlmostEqual(self.LinearPattern.Shape.Volume, 1e4)
# self.assertEqual(self.LinearPattern.Shape.ElementMapSize, 170) # TODO
# self.assertEqual(len(self.LinearPattern.Shape.ElementReverseMap), 170)
self.assertEqual(self.LinearPattern.Shape.ElementMapSize, 26)
def tearDown(self):
#closing doc
FreeCAD.closeDocument("PartDesignTestLinearPattern")
# print ("omit closing document for debugging")
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