X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=test%2FSMESH_controls_3D_warping.py;fp=test%2FSMESH_controls_3D_warping.py;h=ce792d4aa6c63cd2e84eb096f214998c5b990dc3;hp=0000000000000000000000000000000000000000;hb=66c7e4a32db7714e0215a1b1edce997759e5d573;hpb=af0dc2754afae71506ece0af14ace77df076612a

diff --git a/test/SMESH_controls_3D_warping.py b/test/SMESH_controls_3D_warping.py
new file mode 100644
index 000000000..ce792d4aa
--- /dev/null
+++ b/test/SMESH_controls_3D_warping.py
@@ -0,0 +1,177 @@
+#!/usr/bin/env python
+
+import os
+import sys
+import salome
+import tempfile
+
+salome.salome_init()
+
+
+def getTmpFileName(ext):
+  """
+  get a tmp file name
+  """
+  tempdir = tempfile.gettempdir()
+  tmp_file = tempfile.NamedTemporaryFile(suffix=".%s"%ext , dir=tempdir, delete=False)
+  tmp_filename = tmp_file.name
+  return tmp_filename
+
+###
+### SHAPER component
+###
+
+from salome.shaper import model
+
+model.begin()
+partSet = model.moduleDocument()
+Part_1 = model.addPart(partSet)
+Part_1_doc = Part_1.document()
+Cylinder_1 = model.addCylinder(Part_1_doc, model.selection("VERTEX", "PartSet/Origin"), model.selection("EDGE", "PartSet/OZ"), 1, 7)
+Point_2 = model.addPoint(Part_1_doc, 1, 0, 1.5)
+Point_3 = model.addPoint(Part_1_doc, 0.5, 0, 3.5)
+Sphere_1 = model.addSphere(Part_1_doc, model.selection("VERTEX", "Point_1"), 0.75)
+Cylinder_2 = model.addCylinder(Part_1_doc, model.selection("VERTEX", "Point_2"), model.selection("EDGE", "PartSet/OX"), 0.6, 3)
+Fuse_1_objects_1 = [model.selection("SOLID", "Cylinder_2_1"),
+                    model.selection("SOLID", "Cylinder_1_1"),
+                    model.selection("SOLID", "Sphere_1_1")]
+Fuse_1 = model.addFuse(Part_1_doc, Fuse_1_objects_1, keepSubResults = True)
+model.end()
+
+expected_volume = 25.881416712512
+model.testResultsVolumes(Fuse_1, [expected_volume])
+
+###
+### SHAPERSTUDY component
+###
+
+model.publishToShaperStudy()
+import SHAPERSTUDY
+Fuse_1_1, = SHAPERSTUDY.shape(model.featureStringId(Fuse_1))
+
+###
+### SMESH component
+###
+
+import  SMESH, SALOMEDS
+from salome.smesh import smeshBuilder
+
+smesh = smeshBuilder.New()
+# Surface Mesh
+# ============
+
+Mesh_1 = smesh.Mesh(Fuse_1_1, "Mesh_1")
+NETGEN_1D_2D = Mesh_1.Triangle(algo=smeshBuilder.NETGEN_1D2D)
+NETGEN_2D_Parameters_1 = NETGEN_1D_2D.Parameters()
+NETGEN_2D_Parameters_1.SetMaxSize( 0.75 )
+NETGEN_2D_Parameters_1.SetMinSize( 0 )
+NETGEN_2D_Parameters_1.SetSecondOrder( 0 )
+NETGEN_2D_Parameters_1.SetOptimize( 1 )
+NETGEN_2D_Parameters_1.SetFineness( 5 )
+NETGEN_2D_Parameters_1.SetGrowthRate( 0.1 )
+NETGEN_2D_Parameters_1.SetNbSegPerEdge( 2 )
+NETGEN_2D_Parameters_1.SetNbSegPerRadius( 4 )
+
+isDone = Mesh_1.Compute()
+
+if not isDone:
+  raise Exception("Error when computing the surface mesh")
+
+# MG-Hexa mesh
+# ============
+
+MG_Hexa = Mesh_1.Hexahedron(algo=smeshBuilder.MG_Hexa)
+isDone = Mesh_1.Compute()
+
+if not isDone:
+  raise Exception("Error when computing volumes with MG-Hexa")
+
+volume = smesh.GetVolume(Mesh_1)
+#print("volume: ", volume)
+assert abs(volume-expected_volume)/expected_volume < 0.03
+
+assert Mesh_1.NbTriangles() == 0
+
+nb_hexa = Mesh_1.NbHexas()
+assert Mesh_1.NbVolumes() == nb_hexa
+
+# MG-Hexa mesh with layers
+# ========================
+
+MG_Hexa_Parameters = MG_Hexa.Parameters()
+MG_Hexa_Parameters.SetNbLayers( 3 )
+MG_Hexa_Parameters.SetFirstLayerSize( 0.01 )
+MG_Hexa_Parameters.SetGrowth( 1.1 )
+MG_Hexa_Parameters.SetFacesWithLayers( [ 10, 3 ] )
+MG_Hexa_Parameters.SetImprintedFaces( [ 18, 20, 22 ] )
+
+isDone = Mesh_1.Compute()
+
+if not isDone:
+  raise Exception("Error when computing volumes with MG-Hexa and layers")
+
+nb_hexa_with_layers = Mesh_1.NbHexas()
+assert Mesh_1.NbVolumes() == nb_hexa_with_layers
+assert nb_hexa < nb_hexa_with_layers
+
+volume_with_layers = smesh.GetVolume(Mesh_1)
+#print("volume_with_layers: ", volume_with_layers)
+assert abs(volume_with_layers-expected_volume)/expected_volume < 0.05
+
+gr_small_volume = Mesh_1.MakeGroup("small_volumes_layers",
+                            SMESH.VOLUME,
+                            CritType=SMESH.FT_Volume3D,
+                            Compare=SMESH.FT_LessThan,
+                            Threshold=8e-5,
+                            Tolerance=1e-07)
+
+layers_volume = smesh.GetVolume(gr_small_volume)
+#print("layers_volume: ", layers_volume)
+assert layers_volume < 0.9
+
+# check max Warp3D
+max_warp3D = Mesh_1.GetMinMax(SMESH.FT_Warping3D)[1]
+print("max_warp3D: ", max_warp3D)
+# Check that some elements are warped
+assert max_warp3D > 1
+
+gr_warp3D = Mesh_1.MakeGroup("warp3D",
+                            SMESH.VOLUME,
+                            CritType=SMESH.FT_Warping3D,
+                            Compare=SMESH.FT_MoreThan,
+                            Threshold=1,
+                            Tolerance=1e-07)
+
+# Check the group has some elements
+assert gr_warp3D.Size() > 0
+
+# create a mesh with the faces of the hexaedra thanks to medcoupling
+umesh_3D = Mesh_1.ExportMEDCoupling()[0]
+# create faces
+umesh_2D,d0,d1,d2,d3=umesh_3D.buildDescendingConnectivity()
+
+# export the 2D mesh in a tmp file
+tmp_filename = getTmpFileName("med")
+umesh_2D.write(tmp_filename)
+
+# import it in SMESH
+([Mesh_faces], status) = smesh.CreateMeshesFromMED( tmp_filename )
+
+gr_warp2D = Mesh_faces.MakeGroup("warp2D",
+                            SMESH.FACE,
+                            CritType=SMESH.FT_Warping,
+                            Compare=SMESH.FT_MoreThan,
+                            Threshold=1,
+                            Tolerance=1e-07)
+
+# check max Warp3D
+max_warp2D = Mesh_faces.GetMinMax(SMESH.FT_Warping)[1]
+print("max_warp2D: ", max_warp2D)
+assert max_warp2D > 1
+
+assert abs(max_warp2D-max_warp3D)/max_warp2D < 1e-5
+
+os.remove(tmp_filename)
+
+if salome.sg.hasDesktop():
+  salome.sg.updateObjBrowser()