tests/periodicity_2D_prepro.py

   1 # -*- coding: iso-8859-1 -*-
   2
   3 import sys
   4 import salome
   5
   6 ###
   7 ### GEOM component
   8 ###
   9
  10 import math
  11
  12 import GEOM
  13 from salome.geom import geomBuilder
  14 geompy = geomBuilder.New(salome.myStudy)
  15
  16 O = geompy.MakeVertex(0, 0, 0)
  17 OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
  18 OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
  19 OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
  20 Face_1 = geompy.MakeFaceHW(10, 10, 1)
  21 geomObj_1 = geompy.MakeMarker(0, 0, 0, 1, 0, 0, 0, 1, 0)
  22 Sketch_1 = geompy.MakeSketcherOnPlane("Sketcher:F -2.5209155082703 -1.4416453838348:TT -1.1105282306671 -2.9872753620148:TT 0.76354801654816 -2.3303825855255:TT 1.9614112377167 -3.0838770866394:TT 3.8354876041412 -1.2677619457245:TT 4.2218952178955 0.644955098629:TT 3.2751967906952 2.5576722621918:TT 0.58966463804245 3.5430111885071:TT -3.7380990982056 3.2338852882385:TT -4.433632850647 0.85747921466827:WW", Face_1 )
  23 vertices = geompy.ExtractShapes(Sketch_1, geompy.ShapeType["VERTEX"], True)
  24 Curve_1 = geompy.MakeInterpol(vertices, True, True)
  25
  26 part = geompy.MakePartition([Face_1], [Curve_1], Limit=geompy.ShapeType["FACE"])
  27 geompy.addToStudy(part, "part")
  28
  29 Vx = geompy.MakeVectorDXDYDZ(1, 0, 0)
  30 Vy = geompy.MakeVectorDXDYDZ(0, 1, 0)
  31 Vz = geompy.MakeVectorDXDYDZ(0, 0, 1)
  32
  33 p1 = geompy.MakeVertex(-5, -5, 0)
  34 p2 = geompy.MakeVertex(5, 5, 0)
  35 left_edges = geompy.GetShapesOnPlaneWithLocation(part, geompy.ShapeType["EDGE"], Vx, p1, GEOM.ST_ON)
  36 left = geompy.CreateGroup(part, geompy.ShapeType["EDGE"])
  37 geompy.UnionList(left, left_edges)
  38 geompy.addToStudyInFather(part, left, "left")
  39
  40 right_edges = geompy.GetShapesOnPlaneWithLocation(part, geompy.ShapeType["EDGE"], Vx, p2, GEOM.ST_ON)
  41 right = geompy.CreateGroup(part, geompy.ShapeType["EDGE"])
  42 geompy.UnionList(right, right_edges)
  43 geompy.addToStudyInFather(part, right, "right")
  44
  45 bottom_edges = geompy.GetShapesOnPlaneWithLocation(part, geompy.ShapeType["EDGE"], Vy, p1, GEOM.ST_ON)
  46 bottom = geompy.CreateGroup(part, geompy.ShapeType["EDGE"])
  47 geompy.UnionList(bottom, bottom_edges)
  48 geompy.addToStudyInFather(part, bottom, "bottom")
  49
  50 top_edges = geompy.GetShapesOnPlaneWithLocation(part, geompy.ShapeType["EDGE"], Vy, p2, GEOM.ST_ON)
  51 top = geompy.CreateGroup(part, geompy.ShapeType["EDGE"])
  52 geompy.UnionList(top, top_edges)
  53 geompy.addToStudyInFather(part, top, "top")
  54
  55 source_face = geompy.GetFaceNearPoint(part, p1)
  56 geompy.addToStudyInFather(part, source_face, "source_face")
  57
  58
  59 # Mesh
  60 # ====
  61
  62 import SMESH
  63 from salome.smesh import smeshBuilder
  64 smesh = smeshBuilder.New(salome.myStudy)
  65
  66 Mesh = smesh.Mesh(part, "Mesh")
  67
  68 algo2d = Mesh.Triangle(algo=smeshBuilder.MG_CADSurf)
  69 algo2d.SetGeometricMesh( 1 )
  70 algo2d.SetAngleMesh( 4 )
  71 algo2d.SetPhySize( 8 )
  72 #algo2d.SetGradation(1.05)
  73
  74 # Periodicity
  75 #algo2d.SetVerbosity(10)
  76 algo2d.SetPreCADOptionValue("periodic_tolerance", "1e-2")
  77 algo2d.AddPreCadEdgesPeriodicity(left, right)
  78 algo2d.AddPreCadEdgesPeriodicity(bottom, top)
  79
  80
  81 Mesh.Compute()
  82
  83 gr_left = Mesh.Group(left)
  84 gr_right = Mesh.Group(right)
  85 gr_bottom = Mesh.Group(bottom)
  86 gr_top = Mesh.Group(top)
  87
  88 Mesh.Compute()
  89
  90 left_translated = Mesh.TranslateObjectMakeMesh( gr_left, SMESH.DirStruct( SMESH.PointStruct ( 10, 0, 0 )), 0, 'left_translated' )
  91 bottom_translated = Mesh.TranslateObjectMakeMesh( gr_bottom, SMESH.DirStruct( SMESH.PointStruct ( 0, 10, 0 )), 0, 'bottom_translated' )
  92
  93 def checkProjection(gr, mesh_translated, tol=1e-7):
  94     name = gr.GetName() + "_" + mesh_translated.GetName().split("_")[0]
  95     mesh_source = smesh.CopyMesh(gr, gr.GetName())
  96     mesh_check = smesh.Concatenate([mesh_source.GetMesh(), mesh_translated.GetMesh()], 0, name=name)
  97     ll_coincident_nodes = mesh_check.FindCoincidentNodes(tol)
  98     coincident_nodes = [item for sublist in ll_coincident_nodes for item in sublist]
  99     mesh_check.MakeGroupByIds("coincident_nodes", SMESH.NODE, coincident_nodes)
 100     mesh_nodes = mesh_check.GetNodesId()
 101     if len(ll_coincident_nodes) != mesh_translated.NbNodes():
 102         non_coincident_nodes = list(set(mesh_nodes) - set(coincident_nodes))
 103         mesh_check.MakeGroupByIds("non_coincident_nodes", SMESH.NODE, non_coincident_nodes)
 104         raise Exception("Projection failed for %s"%name)
 105
 106 checkProjection(gr_right, left_translated)
 107 checkProjection(gr_top, bottom_translated)
 108
 109 if salome.sg.hasDesktop():
 110   salome.sg.updateObjBrowser(True)