src/GeomAPI/Test/TestSphere.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 checkArc(theDocument, theEdgeName, theCenter, theRadius):
  31     # check edge (arc of circle)
  32     anEdge = model.addEdge(theDocument, [model.selection("EDGE", theEdgeName)])
  33     aShape = anEdge.result().resultSubShapePair()[0].shape()
  34     assert(aShape.isEdge())
  35     anArcEdge = aShape.edge()
  36     assert(anArcEdge.isArc())
  37     aCircle = anArcEdge.circle()
  38     assert(aCircle.center().distance(theCenter) < TOLERANCE)
  39     assert(math.fabs(aCircle.radius() - theRadius) < TOLERANCE)
  40     theDocument.removeFeature(anEdge.feature())
  41
  42 def assertSphere(theSphere, theCenter, theRadius):
  43     assert(theSphere is not None)
  44     assert(theSphere.center().distance(theCenter) < TOLERANCE)
  45     assert(math.fabs(theSphere.radius() - theRadius) < TOLERANCE)
  46
  47 def checkSphereFace(theDocument, theFaceName, theCenter, theRadius):
  48     # check spherical face
  49     aFace = model.addFace(theDocument, [model.selection("FACE", theFaceName)])
  50     aShape = aFace.result().resultSubShapePair()[0].shape()
  51     assert(aShape.isFace())
  52     assertSphere(aShape.face().getSphere(), theCenter, theRadius)
  53     theDocument.removeFeature(aFace.feature())
  54
  55 def checkSphereShell(theDocument, theFaceName, theCenter, theRadius):
  56     # check spherical shell
  57     aShell = model.addShell(theDocument, [model.selection("FACE", theFaceName)])
  58     aShape = aShell.result().resultSubShapePair()[0].shape()
  59     assert(aShape.isShell())
  60     assertSphere(aShape.shell().getSphere(), theCenter, theRadius)
  61     theDocument.removeFeature(aShell.feature())
  62
  63 def checkSphereAll(theDocument, theFeature, theFaceName, theCenter, theRadius):
  64     # check solid
  65     aShape = theFeature.result().resultSubShapePair()[0].shape()
  66     assert(aShape.isSolid())
  67     assertSphere(aShape.solid().getSphere(), theCenter, theRadius)
  68
  69     checkSphereShell(theDocument, theFaceName, theCenter, theRadius)
  70     checkSphereFace(theDocument, theFaceName, theCenter, theRadius)
  71     checkArc(theDocument, theFaceName, theCenter, theRadius)
  72
  73
  74 model.begin()
  75 partSet = model.moduleDocument()
  76 Part_1 = model.addPart(partSet)
  77 Part_1_doc = Part_1.document()
  78 ParamR = model.addParameter(Part_1_doc, "R", "50")
  79 ParamShift = model.addParameter(Part_1_doc, "Shift", "30")
  80 ParamAngle = model.addParameter(Part_1_doc, "Angle", "30")
  81 ParamAperture = model.addParameter(Part_1_doc, "Aperture", "360")
  82 Sketch_1 = model.addSketch(Part_1_doc, model.defaultPlane("XOY"))
  83 SketchArc_1 = Sketch_1.addArc(0, 0, 0, -50, 0, 50, False)
  84 SketchLine_1 = Sketch_1.addLine(0, 50, 0, -50)
  85 SketchConstraintCoincidence_1 = Sketch_1.setCoincident(SketchArc_1.endPoint(), SketchLine_1.startPoint())
  86 SketchConstraintCoincidence_2 = Sketch_1.setCoincident(SketchArc_1.startPoint(), SketchLine_1.endPoint())
  87 SketchProjection_1 = Sketch_1.addProjection(model.selection("VERTEX", "PartSet/Origin"), False)
  88 SketchPoint_1 = SketchProjection_1.createdFeature()
  89 SketchConstraintCoincidence_3 = Sketch_1.setCoincident(SketchAPI_Point(SketchPoint_1).coordinates(), SketchArc_1.center())
  90 SketchConstraintCoincidence_4 = Sketch_1.setCoincident(SketchArc_1.center(), SketchLine_1.result())
  91 SketchConstraintVertical_1 = Sketch_1.setVertical(SketchLine_1.result())
  92 SketchConstraintRadius_1 = Sketch_1.setRadius(SketchArc_1.results()[1], "R")
  93 model.do()
  94
  95 # Test 1. Compose sphere
  96 Revolution_1 = model.addRevolution(Part_1_doc, [model.selection("FACE", "Sketch_1/Face-SketchArc_1_2f-SketchLine_1f")], model.selection("EDGE", "Sketch_1/Edge-SketchLine_1"), "Aperture", 0)
  97 aCenter = GeomAPI.GeomAPI_Pnt(0, 0, 0)
  98 checkSphereAll(Part_1_doc, Revolution_1, "Revolution_1_1/Generated_Face_2", aCenter, ParamR.value())
  99
 100 # Test 2. Translate sphere
 101 Translation_1 = model.addTranslation(Part_1_doc, [model.selection("SOLID", "Revolution_1_1")], model.selection("EDGE", "PartSet/OX"), "Shift")
 102 aCenter.setX(aCenter.x() + ParamShift.value())
 103 checkSphereAll(Part_1_doc, Translation_1, "Translation_1_1/Translated_Face_1", aCenter, ParamR.value())
 104
 105 # Test 3. Rotate sphere
 106 Rotation_1 = model.addRotation(Part_1_doc, [model.selection("SOLID", "Translation_1_1")], model.selection("EDGE", "PartSet/OY"), "Angle")
 107 anAngle = ParamAngle.value() * math.pi / 180.0
 108 aCenter.setX(ParamShift.value() * math.cos(anAngle))
 109 aCenter.setZ(-ParamShift.value() * math.sin(anAngle))
 110 checkSphereAll(Part_1_doc, Rotation_1, "Rotation_1_1/Rotated_Face_1", aCenter, ParamR.value())
 111
 112 # Test 4. Check result by changing parameters
 113 ParamR.setValue(100)
 114 model.do()
 115 checkSphereAll(Part_1_doc, Rotation_1, "Rotation_1_1/Rotated_Face_1", aCenter, ParamR.value())
 116
 117 ParamAperture.setValue(270)
 118 model.do()
 119 checkSphereFace(Part_1_doc, "Rotation_1_1/Rotated_Face_3", aCenter, ParamR.value())
 120 checkSphereShell(Part_1_doc, "Rotation_1_1/Rotated_Face_3", aCenter, ParamR.value())
 121 checkArc(Part_1_doc, "Rotation_1_1/Rotated_Face_3&Rotation_1_1/Rotated_Face_1", aCenter, ParamR.value())
 122 checkArc(Part_1_doc, "Rotation_1_1/Rotated_Face_3&Rotation_1_1/Rotated_Face_2", aCenter, ParamR.value())
 123
 124 model.end()