src/GeomAPI/Test/TestPolygon.py

   1 ## Copyright (C) 2018-20xx  CEA/DEN, EDF R&D
   2 ##
   3 ## This library is free software; you can redistribute it and/or
   4 ## modify it under the terms of the GNU Lesser General Public
   5 ## License as published by the Free Software Foundation; either
   6 ## version 2.1 of the License, or (at your option) any later version.
   7 ##
   8 ## This library is distributed in the hope that it will be useful,
   9 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 ## Lesser General Public License for more details.
  12 ##
  13 ## You should have received a copy of the GNU Lesser General Public
  14 ## License along with this library; if not, write to the Free Software
  15 ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 ##
  17 ## See http:##www.salome-platform.org/ or
  18 ## email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 ##
  20
  21 from GeomAPI import *
  22 from SketchAPI import *
  23
  24 from salome.shaper import model
  25
  26 import math
  27
  28 TOLERANCE = 1.e-7
  29
  30 def assertRectangle(theWire):
  31     assert(theWire is not None)
  32     aCorners = [GeomAPI.GeomAPI_Pnt(0, 0, 0)]
  33     assert(theWire.isRectangle(aCorners))
  34
  35 def checkRectangleFace(theDocument, theFaceName):
  36     aFace = model.addFace(theDocument, [model.selection("FACE", theFaceName)])
  37     aShape = aFace.result().resultSubShapePair()[0].shape()
  38     assert(aShape.isFace())
  39     aSubs = aShape.subShapes(GeomAPI.GeomAPI_Shape.WIRE)
  40     assert(aSubs.size() == 1)
  41     assertRectangle(aSubs[0].wire())
  42     theDocument.removeFeature(aFace.feature())
  43
  44 def checkRectangleWire(theDocument, theEdgeNames):
  45     aSelection = []
  46     for name in theEdgeNames:
  47         aSelection.append(model.selection("EDGE", name))
  48     aWire = model.addWire(theDocument, aSelection)
  49     aShape = aWire.result().resultSubShapePair()[0].shape()
  50     assert(aShape.isWire())
  51     assertRectangle(aShape.wire())
  52     theDocument.removeFeature(aWire.feature())
  53
  54
  55 def assertPolygon(theWire):
  56     assert(theWire is not None)
  57     aCorners = [GeomAPI.GeomAPI_Pnt(0, 0, 0)]
  58     assert(theWire.isPolygon(aCorners))
  59
  60 def checkPolygonWire(theDocument, theEdgeNames):
  61     aSelection = []
  62     for name in theEdgeNames:
  63         aSelection.append(model.selection("EDGE", name))
  64     aWire = model.addWire(theDocument, aSelection)
  65     aShape = aWire.result().resultSubShapePair()[0].shape()
  66     assert(aShape.isWire())
  67     assertPolygon(aShape.wire())
  68     theDocument.removeFeature(aWire.feature())
  69
  70 def checkPolyline(theDocument, theVertexNames):
  71     aSelection = []
  72     for name in theVertexNames:
  73         aSelection.append(model.selection("VERTEX", name))
  74     aWire = model.addPolyline3D(Part_1_doc, aSelection, False)
  75     aShape = aWire.result().resultSubShapePair()[0].shape()
  76     assert(aShape.isWire())
  77     assertPolygon(aShape.wire())
  78     theDocument.removeFeature(aWire.feature())
  79
  80
  81
  82 model.begin()
  83 partSet = model.moduleDocument()
  84 Part_1 = model.addPart(partSet)
  85 Part_1_doc = Part_1.document()
  86 Box_1 = model.addBox(Part_1_doc, 10, 10, 10)
  87 model.do()
  88
  89 # Test 1. Check face/wire of box is a rectangle
  90 checkRectangleFace(Part_1_doc, "Box_1_1/Top")
  91 Wire_edges = ["[Box_1_1/Left][Box_1_1/Top]", "[Box_1_1/Front][Box_1_1/Top]", "[Box_1_1/Right][Box_1_1/Top]", "[Box_1_1/Back][Box_1_1/Top]"]
  92 checkRectangleWire(Part_1_doc, Wire_edges)
  93
  94 # Test 2. Build a polygon from edges
  95 Wire_edges = ["[Box_1_1/Left][Box_1_1/Bottom]", "[Box_1_1/Front][Box_1_1/Left]", "[Box_1_1/Left][Box_1_1/Top]", "[Box_1_1/Back][Box_1_1/Top]", "[Box_1_1/Right][Box_1_1/Top]"]
  96 checkPolygonWire(Part_1_doc, Wire_edges)
  97
  98 # Test 3. Build a polygon from vertices
  99 Poly_vertices = ["[Box_1_1/Back][Box_1_1/Left][Box_1_1/Bottom]", "[Box_1_1/Front][Box_1_1/Left][Box_1_1/Bottom]", "[Box_1_1/Front][Box_1_1/Right][Box_1_1/Bottom]", "[Box_1_1/Front][Box_1_1/Right][Box_1_1/Top]", "[Box_1_1/Front][Box_1_1/Left][Box_1_1/Top]", "[Box_1_1/Back][Box_1_1/Right][Box_1_1/Top]"]
 100 checkPolyline(Part_1_doc, Poly_vertices)
 101
 102 model.end()