freecad-cam/Mod/PartDesign/PartDesignTests/TestLinearPattern.py
2026-02-01 01:59:24 +01:00

175 lines
9.0 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
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")