--- /dev/null
+# -*- coding: iso-8859-1 -*-
+
+import sys
+import salome
+
+###
+### GEOM component
+###
+
+import math
+
+import GEOM
+from salome.geom import geomBuilder
+geompy = geomBuilder.New()
+
+O = geompy.MakeVertex(0, 0, 0)
+OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
+OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
+OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
+Face_1 = geompy.MakeFaceHW(10, 10, 1)
+geomObj_1 = geompy.MakeMarker(0, 0, 0, 1, 0, 0, 0, 1, 0)
+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 )
+vertices = geompy.ExtractShapes(Sketch_1, geompy.ShapeType["VERTEX"], True)
+Curve_1 = geompy.MakeInterpol(vertices, True, True)
+
+part = geompy.MakePartition([Face_1], [Curve_1], Limit=geompy.ShapeType["FACE"])
+geompy.addToStudy(part, "part")
+
+Vx = geompy.MakeVectorDXDYDZ(1, 0, 0)
+Vy = geompy.MakeVectorDXDYDZ(0, 1, 0)
+Vz = geompy.MakeVectorDXDYDZ(0, 0, 1)
+
+p1 = geompy.MakeVertex(-5, -5, 0)
+p2 = geompy.MakeVertex(5, 5, 0)
+left_edges = geompy.GetShapesOnPlaneWithLocation(part, geompy.ShapeType["EDGE"], Vx, p1, GEOM.ST_ON)
+left = geompy.CreateGroup(part, geompy.ShapeType["EDGE"])
+geompy.UnionList(left, left_edges)
+geompy.addToStudyInFather(part, left, "left")
+
+right_edges = geompy.GetShapesOnPlaneWithLocation(part, geompy.ShapeType["EDGE"], Vx, p2, GEOM.ST_ON)
+right = geompy.CreateGroup(part, geompy.ShapeType["EDGE"])
+geompy.UnionList(right, right_edges)
+geompy.addToStudyInFather(part, right, "right")
+
+bottom_edges = geompy.GetShapesOnPlaneWithLocation(part, geompy.ShapeType["EDGE"], Vy, p1, GEOM.ST_ON)
+bottom = geompy.CreateGroup(part, geompy.ShapeType["EDGE"])
+geompy.UnionList(bottom, bottom_edges)
+geompy.addToStudyInFather(part, bottom, "bottom")
+
+top_edges = geompy.GetShapesOnPlaneWithLocation(part, geompy.ShapeType["EDGE"], Vy, p2, GEOM.ST_ON)
+top = geompy.CreateGroup(part, geompy.ShapeType["EDGE"])
+geompy.UnionList(top, top_edges)
+geompy.addToStudyInFather(part, top, "top")
+
+source_face = geompy.GetFaceNearPoint(part, p1)
+geompy.addToStudyInFather(part, source_face, "source_face")
+
+
+# Mesh
+# ====
+
+import SMESH
+from salome.smesh import smeshBuilder
+smesh = smeshBuilder.New()
+
+Mesh = smesh.Mesh(part, "Mesh")
+
+algo2d = Mesh.Triangle(algo=smeshBuilder.MG_CADSurf)
+algo2d.SetGeometricMesh( 1 )
+algo2d.SetAngleMesh( 4 )
+algo2d.SetPhySize( 8 )
+#algo2d.SetGradation(1.05)
+
+# Periodicity
+#algo2d.SetVerbosity(10)
+algo2d.SetPreCADOptionValue("periodic_tolerance", "1e-2")
+algo2d.AddPreCadEdgesPeriodicity(left, right)
+algo2d.AddPreCadEdgesPeriodicity(bottom, top)
+
+
+Mesh.Compute()
+
+gr_left = Mesh.Group(left)
+gr_right = Mesh.Group(right)
+gr_bottom = Mesh.Group(bottom)
+gr_top = Mesh.Group(top)
+
+Mesh.Compute()
+
+left_translated = Mesh.TranslateObjectMakeMesh( gr_left, SMESH.DirStruct( SMESH.PointStruct ( 10, 0, 0 )), 0, 'left_translated' )
+bottom_translated = Mesh.TranslateObjectMakeMesh( gr_bottom, SMESH.DirStruct( SMESH.PointStruct ( 0, 10, 0 )), 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_top, bottom_translated)
+
+if salome.sg.hasDesktop():
+ salome.sg.updateObjBrowser()
