GEOM_TestMeasures.py

GEOM_TestMeasures.py

def TestMeasureOperations (geompy, math):

  p0   = geompy.MakeVertex(0 ,  0,  0)
  p137 = geompy.MakeVertex(10, 30, 70)

  box = geompy.MakeBoxTwoPnt(p0, p137)

  p678 = geompy.MakeVertex(60, 70, 80)
  p789 = geompy.MakeVertex(70, 80, 90)

  vz = geompy.MakeVectorDXDYDZ(0, 0, 1)

  cube = geompy.MakeBoxTwoPnt(p678, p789)

  cylinder = geompy.MakeCylinder(p0, vz, 5, 70)

  ####### PointCoordinates #######

  Coords = geompy.PointCoordinates(p137)
  if Coords[0] != 10 or Coords[1] != 30 or Coords[2] != 70:
    print "Coordinates of p137 must be (10, 30, 70), but returned (", Coords[0], ", ", Coords[1], ", ", Coords[2], ")"

  ####### CheckShape #######

  (IsValid, err) = geompy.CheckShape(box, 0, 2)
  if IsValid == 0:
    geompy.PrintShapeError(box, err)
    raise RuntimeError, "Invalid box created"
  else:
    print "\nBox is valid"

  ####### Detect Self-intersections #######

  selfIntersected = geompy.MakeCompound([box, cylinder])
  if geompy.CheckSelfIntersections(selfIntersected):
    raise RuntimeError, "Existing self-intersection is not detected"

  ####### Detect Self-intersections fast #######

  if salome_version.getXVersion() > "0x70600":
    if geompy.CheckSelfIntersectionsFast(selfIntersected):
      raise RuntimeError, "Existing self-intersection is not detected"

  ####### Fast intersection #######

  if not geompy.FastIntersect(box, cylinder)[0]:
    raise RuntimeError, "Existing intersection is not detected"

  ####### WhatIs #######

  Descr = geompy.WhatIs(box)
  print "\nBox 10x30x70 description:"
  print Descr

  ####### NbShapes #######

  NbSolids = geompy.NbShapes(box, geompy.ShapeType["SOLID"])
  print "\nBox 10x30x70 quantity of solids:", NbSolids

  ####### ShapeInfo #######

  BoxInfo = geompy.ShapeInfo(box)
  print "\nBox 10x30x70 shapes:"
  print BoxInfo

  ####### BasicProperties #######

  Props = geompy.BasicProperties(box)
  print "\nBox 10x30x70 Basic Properties:"
  print " Wires length: ", Props[0]
  print " Surface area: ", Props[1]
  print " Volume      : ", Props[2]

  dl = math.sqrt((Props[0] -   880)*(Props[0] -   880))
  da = math.sqrt((Props[1] -  6200)*(Props[1] -  6200))
  dv = math.sqrt((Props[2] - 21000)*(Props[2] - 21000))
  #print "|Props[0] - 880| = ", dl

  if dl > 1e-7 or da > 1e-7 or dv > 1e-7:
    print "While must be:"
    print " Wires length: ", 880
    print " Surface area: ", 6200
    print " Volume      : ", 21000

  ####### BoundingBox #######

  BB = geompy.BoundingBox(box)
  print "\nBounding Box of box 10x30x70:"
  print " Xmin = ", BB[0], ", Xmax = ", BB[1]
  print " Ymin = ", BB[2], ", Ymax = ", BB[3]
  print " Zmin = ", BB[4], ", Zmax = ", BB[5]
  BB = geompy.MakeBoundingBox(box)
  geompy.addToStudy(BB, "BoundingBox")

  ####### Inertia #######

  In = geompy.Inertia(box)
  print "\nInertia matrix of box 10x30x70:"
  print " (", In[0], ", ", In[1], ", ", In[2], ")"
  print " (", In[3], ", ", In[4], ", ", In[5], ")"
  print " (", In[6], ", ", In[7], ", ", In[8], ")"
  print "Main moments of inertia of box 10x30x70:"
  print " Ix = ", In[9], ", Iy = ", In[10], ", Iz = ", In[11]

  ####### Tolerance #######

  Toler = geompy.Tolerance(box)
  print "\nBox 10x30x70 tolerance:"
  print " Face min. tolerance: ", Toler[0]
  print " Face max. tolerance: ", Toler[1]
  print " Edge min. tolerance: ", Toler[2]
  print " Edge max. tolerance: ", Toler[3]
  print " Vertex min. tolerance: ", Toler[4]
  print " Vertex max. tolerance: ", Toler[5]

  ####### MakeCDG #######

  pcdg = geompy.MakeCDG(box)
  if pcdg is None:
    raise RuntimeError, "MakeCDG(box) failed"
  else:
    print "\nCentre of gravity of box has been successfully obtained:"
    Coords = geompy.PointCoordinates(pcdg)
    print "(", Coords[0], ", ", Coords[1], ", ", Coords[2], ")"
    if Coords[0] != 5 or Coords[1] != 15 or Coords[2] != 35:
      print "But must be (5, 15, 35)"

  ####### GetNormal #######

  faces = geompy.SubShapeAllSortedCentres(box, geompy.ShapeType["FACE"])
  face0 = faces[0]

  vnorm = geompy.GetNormal(face0)
  if vnorm is None:
    raise RuntimeError, "GetNormal(face0) failed"
  else:
    geompy.addToStudy(face0, "Face0")
    geompy.addToStudy(vnorm, "Normale to Face0")
    print "\nNormale of face has been successfully obtained:"
    #Coords = geompy.PointCoordinates(pcdg)
    #print "(", Coords[0], ", ", Coords[1], ", ", Coords[2], ")"
    #if Coords[0] != 5 or Coords[1] != 15 or Coords[2] != 35:
    #  print "But must be (5, 15, 35)"

  ####### MinDistance #######

  MinDist = geompy.MinDistance(box, cube)

  #print "\nMinimal distance between Box and Cube = ", MinDist[0]
  #print "It is reached at points:"
  #print " On Box  (", MinDist[1], ", ", MinDist[2], ", ", MinDist[3], ")"
  #print " On Cube (", MinDist[4], ", ", MinDist[5], ", ", MinDist[6], ")"

  print "\nMinimal distance between Box and Cube = ", MinDist

  MinDistComps = geompy.MinDistanceComponents(box, cube)
  print "\nMinimal distance between Box and Cube = ", MinDistComps[0]
  print "Its components are  (", MinDistComps[1], ", ", MinDistComps[2], ", ", MinDistComps[3], ")"

  # Get all closest points
  [nbSols, listCoords] = geompy.ClosestPoints(box, cube)
  for i in range(nbSols):
    v1 = geompy.MakeVertex(listCoords[i*6 + 0], listCoords[i*6 + 1], listCoords[i*6 + 2])
    v2 = geompy.MakeVertex(listCoords[i*6 + 3], listCoords[i*6 + 4], listCoords[i*6 + 5])

    geompy.addToStudy(v1, 'MinDist_%d_on_Box'%(i+1))
    geompy.addToStudy(v2, 'MinDist_%d_on_Cube'%(i+1))
    pass

  ####### Angle #######

  OX  = geompy.MakeVectorDXDYDZ(10, 0,0)
  OXY = geompy.MakeVectorDXDYDZ(10,10,0)

  # in one plane

  Angle = geompy.GetAngle(OX, OXY)

  print "\nAngle between OX and OXY = ", Angle
  if math.fabs(Angle - 45.0) > 1e-05:
    print "  Error: returned angle is", Angle, "while must be 45.0"

  Angle = geompy.GetAngleRadians(OX, OXY)

  print "\nAngle between OX and OXY in radians = ", Angle
  if math.fabs(Angle - math.pi/4) > 1e-05:
    print "  Error: returned angle is", Angle, "while must be pi/4"
    pass