--- /dev/null
+# Copyright (C) 2014-2020 CEA/DEN, EDF R&D
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+#
+
+"""
+ TestExport.py
+ Unit test of ExchangePlugin_TestExport class
+"""
+#=========================================================================
+# Initialization of the test
+#=========================================================================
+
+import salome
+
+import os
+import math
+from tempfile import TemporaryDirectory
+
+import GEOM
+
+from ModelAPI import *
+
+from salome.shaper import model
+
+from salome.geom import geomBuilder
+
+from GeomAlgoAPI import *
+
+__updated__ = "2015-05-22"
+
+salome.salome_init(1)
+geompy = geomBuilder.New()
+
+#=========================================================================
+# Help functions
+#=========================================================================
+def removeFile(theFileName):
+ try: os.remove(theFileName)
+ except OSError: pass
+ assert not os.path.exists(theFileName), \
+ "Can not remove file {0}".format(theFileName)
+
+#=========================================================================
+# test Export STL
+#=========================================================================
+def testExportSTL(theFile, theDelta, theErrorExpected = False):
+
+ model.begin()
+ partSet = model.moduleDocument()
+ Part_1 = model.addPart(partSet)
+ Part_1_doc = Part_1.document()
+ Box_1 = model.addBox(Part_1_doc, 10, 10, 10)
+ Box_2 = model.addBox(Part_1_doc, 20, 20, 20)
+ model.do()
+
+ # First export to GEOM
+ model.exportToGEOM(Part_1_doc)
+ model.end()
+
+ theSurface = 600
+
+ print("theFile=",theFile)
+
+ # deflection relative 0.0001 et Ascii
+ model.exportToSTL(Part_1_doc, theFile, model.selection("SOLID","Box_1_1"),0.0001, 0.5, True,False)
+
+ #== assert os.path.exists(theFile)
+
+ # Check results
+ test_stl_1 = geompy.ImportSTL(theFile)
+ Props = geompy.BasicProperties(test_stl_1)
+ print("\nBasic Properties:")
+ print(" Wires length: ", Props[0])
+ print(" Surface area: ", Props[1])
+ print(" Volume : ", Props[2])
+
+ aRefSurface = theSurface
+ aResSurface = Props[1]
+ assert (math.fabs(aResSurface - aRefSurface) < theDelta), "The volume is wrong: expected = {0}, real = {1}".format(aRefSurface, aResSurface)
+
+ removeFile(theFile)
+
+ theSurface = 600
+ # deflection relative 0.0001 et binaire
+ model.exportToSTL(Part_1_doc, theFile, model.selection("SOLID", "Box_1_1" ),0.0001, 0.5, True,True)
+
+ # Check results
+ test_stl_1 = geompy.ImportSTL(theFile)
+ Props = geompy.BasicProperties(test_stl_1)
+ print("\nBasic Properties:")
+ print(" Wires length: ", Props[0])
+ print(" Surface area: ", Props[1])
+ print(" Volume : ", Props[2])
+
+ aRefSurface = theSurface
+ aResSurface = Props[1]
+ assert (math.fabs(aResSurface - aRefSurface) < theDelta), "The volume is wrong: expected = {0}, real = {1}".format(aRefSurface, aResSurface)
+
+ removeFile(theFile)
+
+ theSurface = 600
+ # deflection absolue et AScii
+ model.exportToSTL(Part_1_doc, theFile, model.selection("SOLID", "Box_1_1" ),0.0001, 0.5, False, False)
+
+ # Check results
+ test_stl_1 = geompy.ImportSTL(theFile)
+ Props = geompy.BasicProperties(test_stl_1)
+ print("\nBasic Properties:")
+ print(" Wires length: ", Props[0])
+ print(" Surface area: ", Props[1])
+ print(" Volume : ", Props[2])
+
+ aRefSurface = theSurface
+ aResSurface = Props[1]
+ assert (math.fabs(aResSurface - aRefSurface) < theDelta), "The volume is wrong: expected = {0}, real = {1}".format(aRefSurface, aResSurface)
+
+ theSurface = 600
+ # deflection absolue et binaire
+ model.exportToSTL(Part_1_doc, theFile, model.selection("SOLID", "Box_1_1" ),0.0001, 0.5, False,True)
+
+ # Check results
+ test_stl_1 = geompy.ImportSTL(theFile)
+ Props = geompy.BasicProperties(test_stl_1)
+ print("\nBasic Properties:")
+ print(" Wires length: ", Props[0])
+ print(" Surface area: ", Props[1])
+ print(" Volume : ", Props[2])
+
+ aRefSurface = theSurface
+ aResSurface = Props[1]
+ assert (math.fabs(aResSurface - aRefSurface) < theDelta), "The volume is wrong: expected = {0}, real = {1}".format(aRefSurface, aResSurface)
+
+ model.end()
+
+if __name__ == '__main__':
+ with TemporaryDirectory() as tmp_dir:
+ aRealSurface = 0.00192878
+ #=========================================================================
+ # Export a shape into STL
+ #=========================================================================
+ testExportSTL(os.path.join(tmp_dir, "export.stl"), 10 ** -5, True)
+ #=========================================================================
+ # End of test
+ #=========================================================================
