--- /dev/null
+# -*- coding: utf-8 -*-
+
+import salome
+import math
+
+import GEOM
+from salome.geom import geomBuilder
+geompy = geomBuilder.New(salome.myStudy)
+
+simple = False
+
+r = 10
+dist = 10
+
+p1 = geompy.MakeVertex(0., 0., 0.)
+p2 = geompy.MakeVertex(100., 100., 100.)
+box = geompy.MakeBoxTwoPnt(p1, p2)
+geompy.addToStudy(box, "box")
+
+p3 = geompy.MakeVertex(25., 5., 25.)
+sphere1 = geompy.MakeSpherePntR(p3, 15.)
+geompy.addToStudy(sphere1, "sphere1")
+
+sphere1_trans = geompy.MakeTranslation(sphere1, 0, 100, 0)
+geompy.addToStudy(sphere1_trans, "sphere1_trans")
+
+sphere1_trans = geompy.MakeTranslation(sphere1, 0, 100, 0)
+geompy.addToStudy(sphere1_trans, "sphere1_trans")
+
+p4 = geompy.MakeVertex(5, 50, 90)
+sphere2 = geompy.MakeSpherePntR(p4, 20.)
+
+sphere2_trans = geompy.MakeTranslation(sphere2, 100, 0, 0)
+geompy.addToStudy(sphere2_trans, "sphere2_trans")
+
+sphere2_trans2 = geompy.MakeTranslation(sphere2, 0, 0, -100)
+geompy.addToStudy(sphere2_trans2, "sphere2_trans2")
+
+sphere2_trans3 = geompy.MakeTranslation(sphere2, 100, 0, -100)
+geompy.addToStudy(sphere2_trans3, "sphere2_trans3")
+
+if simple:
+ part = box
+else:
+ part = geompy.MakePartition([box], [sphere1, sphere1_trans, sphere2, sphere2_trans, sphere2_trans2, sphere2_trans3])
+geompy.addToStudy(part, "part")
+
+Vx = geompy.MakeVectorDXDYDZ(1, 0, 0)
+Vy = geompy.MakeVectorDXDYDZ(0, 1, 0)
+Vz = geompy.MakeVectorDXDYDZ(0, 0, 1)
+
+left_faces = geompy.GetShapesOnPlane(part, geompy.ShapeType["FACE"], Vy, GEOM.ST_ON)
+left = geompy.CreateGroup(part, geompy.ShapeType["FACE"])
+geompy.UnionList(left, left_faces)
+geompy.addToStudyInFather(part, left, "left")
+
+right_faces = geompy.GetShapesOnPlaneWithLocation(part, geompy.ShapeType["FACE"], Vy, p2, GEOM.ST_ON)
+right = geompy.CreateGroup(part, geompy.ShapeType["FACE"])
+geompy.UnionList(right, right_faces)
+geompy.addToStudyInFather(part, right, "right")
+
+back_faces = geompy.GetShapesOnPlane(part, geompy.ShapeType["FACE"], Vx, GEOM.ST_ON)
+back = geompy.CreateGroup(part, geompy.ShapeType["FACE"])
+geompy.UnionList(back, back_faces)
+geompy.addToStudyInFather(part, back, "back")
+
+front_faces = geompy.GetShapesOnPlaneWithLocation(part, geompy.ShapeType["FACE"], Vx, p2, GEOM.ST_ON)
+front = geompy.CreateGroup(part, geompy.ShapeType["FACE"])
+geompy.UnionList(front, front_faces)
+geompy.addToStudyInFather(part, front, "front")
+
+bottom_faces = geompy.GetShapesOnPlane(part, geompy.ShapeType["FACE"], Vz, GEOM.ST_ON)
+bottom = geompy.CreateGroup(part, geompy.ShapeType["FACE"])
+geompy.UnionList(bottom, bottom_faces)
+geompy.addToStudyInFather(part, bottom, "bottom")
+
+top_faces = geompy.GetShapesOnPlaneWithLocation(part, geompy.ShapeType["FACE"], Vz, p2, GEOM.ST_ON)
+top = geompy.CreateGroup(part, geompy.ShapeType["FACE"])
+geompy.UnionList(top, top_faces)
+geompy.addToStudyInFather(part, top, "top")
+
+sources = geompy.CreateGroup(part, geompy.ShapeType["FACE"])
+geompy.UnionList(sources, left_faces)
+geompy.UnionList(sources, back_faces)
+geompy.UnionList(sources, top_faces)
+geompy.addToStudyInFather(part, sources, "sources")
+
+# Mesh
+# ====
+
+import SMESH
+from salome.smesh import smeshBuilder
+smesh = smeshBuilder.New(salome.myStudy)
+
+Mesh = smesh.Mesh(part, "Mesh")
+
+algo2d = Mesh.Triangle(algo=smeshBuilder.MG_CADSurf)
+algo2d.SetGeometricMesh( 1 )
+algo2d.SetAngleMesh( 4 )
+algo2d.SetPhySize( 8 )
+algo2d.SetVerbosity(1)
+
+# Periodicity
+#algo2d.SetPreCADOptionValue("periodic_tolerance", "1e-2")
+algo2d.AddPreCadFacesPeriodicity(left, right)
+algo2d.AddPreCadFacesPeriodicity(front, back)
+algo2d.AddPreCadFacesPeriodicity(bottom, top)
+
+gr_left = Mesh.Group(left)
+gr_right = Mesh.Group(right)
+gr_front = Mesh.Group(front)
+gr_back = Mesh.Group(back)
+gr_bottom = Mesh.Group(bottom)
+gr_top = Mesh.Group(top)
+
+Mesh.Compute()
+
+left_translated = Mesh.TranslateObjectMakeMesh( gr_left, SMESH.DirStruct( SMESH.PointStruct ( 0, 100, 0 )), 0, 'left_translated' )
+front_translated = Mesh.TranslateObjectMakeMesh( gr_front, SMESH.DirStruct( SMESH.PointStruct ( -100, 0, 0 )), 0, 'front_translated' )
+bottom_translated = Mesh.TranslateObjectMakeMesh( gr_bottom, SMESH.DirStruct( SMESH.PointStruct ( 0, 0, 100 )), 0, 'bottom_translated' )
+
+def checkProjection(gr, mesh_translated, tol=1e-7):
+ name = gr.GetName() + "_" + mesh_translated.GetName().split("_")[0]
+ mesh_source = smesh.CopyMesh(gr, gr.GetName())
+ mesh_check = smesh.Concatenate([mesh_source.GetMesh(), mesh_translated.GetMesh()], 0, name=name)
+ ll_coincident_nodes = mesh_check.FindCoincidentNodes(tol)
+ coincident_nodes = [item for sublist in ll_coincident_nodes for item in sublist]
+ mesh_check.MakeGroupByIds("coincident_nodes", SMESH.NODE, coincident_nodes)
+ mesh_nodes = mesh_check.GetNodesId()
+ if len(ll_coincident_nodes) != mesh_translated.NbNodes():
+ non_coincident_nodes = list(set(mesh_nodes) - set(coincident_nodes))
+ mesh_check.MakeGroupByIds("non_coincident_nodes", SMESH.NODE, non_coincident_nodes)
+ raise Exception("Projection failed for %s"%name)
+
+checkProjection(gr_right, left_translated)
+checkProjection(gr_back, front_translated)
+checkProjection(gr_top, bottom_translated)
+
+salome.sg.updateObjBrowser(True)
+
