From fe9985e3cf9bb2e7d67a8c7ad4cf4c489fbf0922 Mon Sep 17 00:00:00 2001 From: nadir Date: Thu, 1 Apr 2004 11:58:39 +0000 Subject: [PATCH] adding python scripts to illustrate the way to mesh a shape giving different hypothesis on its sub-shapes. --- src/SMESH_SWIG/Makefile.in | 7 +- src/SMESH_SWIG/SMESH_box_hexa.py | 215 ++++++++++++++++++++++++ src/SMESH_SWIG/SMESH_demo_hexa.py | 175 ++++++++++++++++++++ src/SMESH_SWIG/SMESH_demo_hexa2.py | 225 ++++++++++++++++++++++++++ src/SMESH_SWIG/SMESH_demo_tetra.py | 176 ++++++++++++++++++++ src/SMESH_SWIG/SMESH_demo_tetra2.py | 243 ++++++++++++++++++++++++++++ 6 files changed, 1040 insertions(+), 1 deletion(-) create mode 100644 src/SMESH_SWIG/SMESH_box_hexa.py create mode 100644 src/SMESH_SWIG/SMESH_demo_hexa.py create mode 100644 src/SMESH_SWIG/SMESH_demo_hexa2.py create mode 100644 src/SMESH_SWIG/SMESH_demo_tetra.py create mode 100644 src/SMESH_SWIG/SMESH_demo_tetra2.py diff --git a/src/SMESH_SWIG/Makefile.in b/src/SMESH_SWIG/Makefile.in index 2965e0403..eea0f73c2 100644 --- a/src/SMESH_SWIG/Makefile.in +++ b/src/SMESH_SWIG/Makefile.in @@ -53,7 +53,12 @@ EXPORT_PYSCRIPTS = libSMESH_Swig.py \ SMESH_box2_tetra.py \ SMESH_box3_tetra.py \ SMESH_flight_skin.py \ - SMESH_Partition1_tetra.py + SMESH_Partition1_tetra.py \ + SMESH_box_hexa.py \ + SMESH_demo_hexa2.py \ + SMESH_demo_hexa.py \ + SMESH_demo_tetra2.py \ + SMESH_demo_tetra.py LIB_CLIENT_IDL = SALOMEDS.idl \ SALOME_Exception.idl \ diff --git a/src/SMESH_SWIG/SMESH_box_hexa.py b/src/SMESH_SWIG/SMESH_box_hexa.py new file mode 100644 index 000000000..2c6b20ca5 --- /dev/null +++ b/src/SMESH_SWIG/SMESH_box_hexa.py @@ -0,0 +1,215 @@ +# +# Hexahedrization of a simple box. Hypothesis and algorithms for +# the mesh generation are not global: the mesh of some edges is thinner +# + +import salome +from salome import sg + +import geompy + +import SMESH +import smeshpy + +# ----------------------------------------------------------------------------- + +geom = geompy.geom +myBuilder = geompy.myBuilder + +ShapeTypeShell = 3 +ShapeTypeFace = 4 +ShapeTypeEdge = 6 + +# ---- define a boxe + +box = geompy.MakeBox(0., 0., 0., 1., 1., 1.) + +idbox = geompy.addToStudy(box,"box") + +print "Analysis of the geometry box :" +subShellList=geompy.SubShapeAllSorted(box,ShapeTypeShell) +subFaceList=geompy.SubShapeAllSorted(box,ShapeTypeFace) +subEdgeList=geompy.SubShapeAllSorted(box,ShapeTypeEdge) + +print "number of Shells in box : ",len(subShellList) +print "number of Faces in box : ",len(subFaceList) +print "number of Edges in box : ",len(subEdgeList) + +idSubEdge = [] +for k in range(len(subEdgeList)): + idSubEdge.append(geompy.addToStudyInFather(box,subEdgeList[k],"SubEdge"+str(k))) + +edgeX = [] +edgeX.append(subEdgeList[4]) +edgeX.append(subEdgeList[5]) +edgeX.append(subEdgeList[6]) +edgeX.append(subEdgeList[7]) + +edgeY = [] +edgeY.append(subEdgeList[1]) +edgeY.append(subEdgeList[2]) +edgeY.append(subEdgeList[9]) +edgeY.append(subEdgeList[10]) + +edgeZ = [] +edgeZ.append(subEdgeList[0]) +edgeZ.append(subEdgeList[3]) +edgeZ.append(subEdgeList[8]) +edgeZ.append(subEdgeList[11]) + +idEdgeX = [] +idEdgeY = [] +idEdgeZ = [] +for i in range(4): + idEdgeX.append(geompy.addToStudyInFather(box,edgeX[i],"EdgeX"+str(i+1))) + idEdgeY.append(geompy.addToStudyInFather(box,edgeY[i],"EdgeY"+str(i+1))) + idEdgeZ.append(geompy.addToStudyInFather(box,edgeZ[i],"EdgeZ"+str(i+1))) + +# ---- launch SMESH + +smeshgui = salome.ImportComponentGUI("SMESH") +smeshgui.Init(salome.myStudyId) + +gen=smeshpy.smeshpy() + +# ---- create Hypothesis + +print "-------------------------- create Hypothesis" + +print "-------------------------- NumberOfSegments in X, Y, Z direction" + +numberOfSegmentsX = 10 + +hyp1=gen.CreateHypothesis("NumberOfSegments") +hypNbSegX=hyp1._narrow(SMESH.SMESH_NumberOfSegments) +hypNbSegX.SetNumberOfSegments(numberOfSegmentsX) +hypNbSegXID = hypNbSegX.GetId() +print hypNbSegX.GetName() +print hypNbSegXID +print hypNbSegX.GetNumberOfSegments() + +idsegX = smeshgui.AddNewHypothesis( salome.orb.object_to_string(hypNbSegX) ) +smeshgui.SetName(idsegX, "NumberOfSegmentsX") + +print "" + +numberOfSegmentsY = 20 + +hyp1=gen.CreateHypothesis("NumberOfSegments") +hypNbSegY=hyp1._narrow(SMESH.SMESH_NumberOfSegments) +hypNbSegY.SetNumberOfSegments(numberOfSegmentsY) +hypNbSegYID = hypNbSegY.GetId() +print hypNbSegY.GetName() +print hypNbSegYID +print hypNbSegY.GetNumberOfSegments() + +idsegY = smeshgui.AddNewHypothesis( salome.orb.object_to_string(hypNbSegY) ) +smeshgui.SetName(idsegY, "NumberOfSegmentsY") + +print "" + +numberOfSegmentsZ = 40 + +hyp1=gen.CreateHypothesis("NumberOfSegments") +hypNbSegZ=hyp1._narrow(SMESH.SMESH_NumberOfSegments) +hypNbSegZ.SetNumberOfSegments(numberOfSegmentsZ) +hypNbSegZID = hypNbSegZ.GetId() +print hypNbSegZ.GetName() +print hypNbSegZID +print hypNbSegZ.GetNumberOfSegments() + +idsegZ = smeshgui.AddNewHypothesis( salome.orb.object_to_string(hypNbSegZ) ) +smeshgui.SetName(idsegZ, "NumberOfSegmentsZ") + +# ---- create Algorithms + +print "-------------------------- create Algorithms" + +print "-------------------------- Regular_1D" + +hypothesis=gen.CreateHypothesis("Regular_1D") +regular1D = hypothesis._narrow(SMESH.SMESH_Regular_1D) +regularID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(regular1D) ) +smeshgui.SetName(regularID, "Wire Discretisation") + +print "-------------------------- Quadrangle_2D" + +hypothesis=gen.CreateHypothesis("Quadrangle_2D") +quad2D = hypothesis._narrow(SMESH.SMESH_Quadrangle_2D) +quadID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(quad2D) ) +smeshgui.SetName(quadID, "Quadrangle_2D") + +print "-------------------------- Hexa_3D" + +hypothesis=gen.CreateHypothesis("Hexa_3D") +hexa3D = hypothesis._narrow(SMESH.SMESH_Hexa_3D) +hexaID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(hexa3D) ) +smeshgui.SetName(hexaID, "Hexa_3D") + +# ---- init a Mesh with the boxe + +mesh=gen.Init(idbox) +idmesh = smeshgui.AddNewMesh( salome.orb.object_to_string(mesh) ) +smeshgui.SetName(idmesh, "MeshBox") +smeshgui.SetShape(idbox, idmesh) + +# ---- add hypothesis to the boxe + +print "-------------------------- add hypothesis to the boxe" +print " the number of segments is globally set to" +print " NumberOfSegmentsX = ", numberOfSegmentsX + +ret=mesh.AddHypothesis(box,regular1D) +print ret +ret=mesh.AddHypothesis(box,hypNbSegX) +print ret +ret=mesh.AddHypothesis(box,quad2D) +print ret +ret=mesh.AddHypothesis(box,hexa3D) +print ret + +print "-------------------------- set algoritms" + +smeshgui.SetAlgorithms( idmesh, regularID) +smeshgui.SetHypothesis( idmesh, idsegX ) +smeshgui.SetAlgorithms( idmesh, quadID ) +smeshgui.SetAlgorithms( idmesh, hexaID ) + +for i in range(4): + print "-------------------------- add hypothesis to edge in the Y and Z directions", (i+1) + + subMeshEdgeY = mesh.GetElementsOnShape(edgeY[i]) + subMeshEdgeZ = mesh.GetElementsOnShape(edgeZ[i]) + + retY = mesh.AddHypothesis(edgeY[i],hypNbSegY) + retZ = mesh.AddHypothesis(edgeZ[i],hypNbSegZ) + print " add hyp Y ", retY, " Z ", retZ + + idsmY = smeshgui.AddSubMeshOnShape( + idmesh,idEdgeY[i],salome.orb.object_to_string(subMeshEdgeY), + ShapeTypeEdge) + idsmZ = smeshgui.AddSubMeshOnShape( + idmesh,idEdgeZ[i],salome.orb.object_to_string(subMeshEdgeZ), + ShapeTypeEdge) + + smeshgui.SetName(idsmY, "SubMeshEdgeY_"+str(i+1)) + smeshgui.SetName(idsmZ, "SubMeshEdgeZ_"+str(i+1)) + + smeshgui.SetHypothesis(idsmY, idsegY) + smeshgui.SetHypothesis(idsmZ, idsegZ) + +sg.updateObjBrowser(1) + +print "-------------------------- compute the mesh of the boxe" +ret=gen.Compute(mesh,idbox) +print ret +if ret != 0: + log=mesh.GetLog(0) # no erase trace + for linelog in log: + print linelog +else: + print "problem when Computing the mesh" + +sg.updateObjBrowser(1) + + diff --git a/src/SMESH_SWIG/SMESH_demo_hexa.py b/src/SMESH_SWIG/SMESH_demo_hexa.py new file mode 100644 index 000000000..5446936ba --- /dev/null +++ b/src/SMESH_SWIG/SMESH_demo_hexa.py @@ -0,0 +1,175 @@ +# +# Tetrahedrization of a geometry (box minus a inner cylinder). +# Hypothesis and algorithms for the mesh generation are global +# + +import math +import salome +from salome import sg + +import geompy + +import SMESH +import smeshpy + +# ----------------------------------------------------------------------------- + +geom = geompy.geom +myBuilder = geompy.myBuilder + +ShapeTypeShell = 3 +ShapeTypeFace = 4 +ShapeTypeEdge = 6 + +a = math.sqrt(2.)/4. +ma = - a +zero = 0. +un = 1. +mun= - un +demi = 1./2. + +Orig = geom.MakePointStruct(zero,zero,zero) +P0 = geom.MakePointStruct(a,a,zero) +P1 = geom.MakePointStruct(zero,demi,zero) +P2 = geom.MakePointStruct(ma,a,zero) +P3 = geom.MakePointStruct(mun,un,zero) +P4 = geom.MakePointStruct(un,un,zero) +P5 = geom.MakePointStruct(zero,zero,un) + +arc = geompy.MakeArc(P0,P1,P2) +e1 = geompy.MakeEdge(P2,P3) +e2 = geompy.MakeEdge(P3,P4) +e3 = geompy.MakeEdge(P4,P0) + +list = [] +list.append(arc._get_Name()) +list.append(e1._get_Name()) +list.append(e2._get_Name()) +list.append(e3._get_Name()) + +wire = geompy.MakeWire(list) +face = geompy.MakeFace(wire,1) + +dir = geompy.MakeVector(Orig,P5) +vol1 = geompy.MakePipe(dir,face) + +angle = math.pi/2. +dir = geom.MakeAxisStruct(zero,zero,zero,zero,zero,un) +vol2 = geompy.MakeRotation(vol1,dir,angle) + +vol3 = geompy.MakeRotation(vol2,dir,angle) + +vol4 = geompy.MakeRotation(vol3,dir,angle) + +list = [] +list.append(vol1._get_Name()) +list.append(vol2._get_Name()) +list.append(vol3._get_Name()) +list.append(vol4._get_Name()) + +volComp = geompy.MakeCompound(list) + +tol3d = 1.e-3 +vol = geom.MakeGlueFaces(volComp,tol3d) +idVol = geompy.addToStudy(vol,"volume") + +print "Analysis of the final volume:" +subShellList=geompy.SubShapeAll(vol,ShapeTypeShell) +subFaceList=geompy.SubShapeAll(vol,ShapeTypeFace) +subEdgeList=geompy.SubShapeAll(vol,ShapeTypeEdge) + +print "number of Shells in the volume : ",len(subShellList) +print "number of Faces in the volume : ",len(subFaceList) +print "number of Edges in the volume : ",len(subEdgeList) + +# ---- launch SMESH + +smeshgui = salome.ImportComponentGUI("SMESH") +smeshgui.Init(salome.myStudyId) + +gen=smeshpy.smeshpy() + +# ---- create Hypothesis + +print "-------------------------- create Hypothesis" + +print "-------------------------- NumberOfSegments" + +numberOfSegments = 10 + +hypothesis=gen.CreateHypothesis("NumberOfSegments") +hypNbSeg=hypothesis._narrow(SMESH.SMESH_NumberOfSegments) +hypNbSeg.SetNumberOfSegments(numberOfSegments) +hypNbSegID = hypNbSeg.GetId() +print hypNbSeg.GetName() +print hypNbSegID +print hypNbSeg.GetNumberOfSegments() + +idseg = smeshgui.AddNewHypothesis( salome.orb.object_to_string(hypNbSeg) ) +smeshgui.SetName(idseg, "NumberOfSegments") + +# ---- create Algorithms + +print "-------------------------- create Algorithms" + +print "-------------------------- Regular_1D" + +hypothesis=gen.CreateHypothesis("Regular_1D") +regular1D = hypothesis._narrow(SMESH.SMESH_Regular_1D) +regularID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(regular1D) ) +smeshgui.SetName(regularID, "Wire Discretisation") + +print "-------------------------- Quadrangle_2D" + +hypothesis=gen.CreateHypothesis("Quadrangle_2D") +quad2D = hypothesis._narrow(SMESH.SMESH_Quadrangle_2D) +quadID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(quad2D) ) +smeshgui.SetName(quadID, "Quadrangle_2D") + +print "-------------------------- Hexa_3D" + +hypothesis=gen.CreateHypothesis("Hexa_3D") +hexa3D = hypothesis._narrow(SMESH.SMESH_Hexa_3D) +hexaID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(hexa3D) ) +smeshgui.SetName(hexaID, "Hexa_3D") + +# ---- init a Mesh with the volume + +mesh=gen.Init(idVol) +idmesh = smeshgui.AddNewMesh( salome.orb.object_to_string(mesh) ) +smeshgui.SetName(idmesh, "meshVolume") +smeshgui.SetShape(idVol, idmesh) + +# ---- add hypothesis to the volume + +print "-------------------------- add hypothesis to the volume" + +ret=mesh.AddHypothesis(vol,regular1D) +print ret +ret=mesh.AddHypothesis(vol,hypNbSeg) +print ret +ret=mesh.AddHypothesis(vol,quad2D) +print ret +ret=mesh.AddHypothesis(vol,hexa3D) +print ret + +print "-------------------------- set algoritms" + +smeshgui.SetAlgorithms( idmesh, regularID) +smeshgui.SetHypothesis( idmesh, idseg ) +smeshgui.SetAlgorithms( idmesh, quadID ) +smeshgui.SetAlgorithms( idmesh, hexaID ) + +sg.updateObjBrowser(1) + +print "-------------------------- compute the mesh of the volume" +ret=gen.Compute(mesh,idVol) +print ret +if ret != 0: + log=mesh.GetLog(0) # no erase trace + for linelog in log: + print linelog +else: + print "problem when Computing the mesh" + +sg.updateObjBrowser(1) diff --git a/src/SMESH_SWIG/SMESH_demo_hexa2.py b/src/SMESH_SWIG/SMESH_demo_hexa2.py new file mode 100644 index 000000000..336bf01ef --- /dev/null +++ b/src/SMESH_SWIG/SMESH_demo_hexa2.py @@ -0,0 +1,225 @@ +# +# Tetrahedrization of a geometry (box minus a inner cylinder). +# Hypothesis and algorithms for the mesh generation are not global: +# the mesh of some edges is thinner +# + +import math +import salome +from salome import sg + +import geompy + +import SMESH +import smeshpy + +# ----------------------------------------------------------------------------- + +geom = geompy.geom +myBuilder = geompy.myBuilder + +ShapeTypeShell = 3 +ShapeTypeFace = 4 +ShapeTypeEdge = 6 + +a = math.sqrt(2.)/4. +ma = - a +zero = 0. +un = 1. +mun= - un +demi = 1./2. + +Orig = geom.MakePointStruct(zero,zero,zero) +P0 = geom.MakePointStruct(a,a,zero) +P1 = geom.MakePointStruct(zero,demi,zero) +P2 = geom.MakePointStruct(ma,a,zero) +P3 = geom.MakePointStruct(mun,un,zero) +P4 = geom.MakePointStruct(un,un,zero) +P5 = geom.MakePointStruct(zero,zero,un) + +arc = geompy.MakeArc(P0,P1,P2) +e1 = geompy.MakeEdge(P2,P3) +e2 = geompy.MakeEdge(P3,P4) +e3 = geompy.MakeEdge(P4,P0) + +list = [] +list.append(arc._get_Name()) +list.append(e1._get_Name()) +list.append(e2._get_Name()) +list.append(e3._get_Name()) + +wire = geompy.MakeWire(list) +face = geompy.MakeFace(wire,1) + +dir = geompy.MakeVector(Orig,P5) +vol1 = geompy.MakePipe(dir,face) + +angle = math.pi/2. +dir = geom.MakeAxisStruct(zero,zero,zero,zero,zero,un) +vol2 = geompy.MakeRotation(vol1,dir,angle) + +vol3 = geompy.MakeRotation(vol2,dir,angle) + +vol4 = geompy.MakeRotation(vol3,dir,angle) + +list = [] +list.append(vol1._get_Name()) +list.append(vol2._get_Name()) +list.append(vol3._get_Name()) +list.append(vol4._get_Name()) + +volComp = geompy.MakeCompound(list) + +tol3d = 1.e-3 +vol = geom.MakeGlueFaces(volComp,tol3d) +idVol = geompy.addToStudy(vol,"volume") + +print "Analysis of the final volume:" +subShellList=geompy.SubShapeAllSorted(vol,ShapeTypeShell) +subFaceList=geompy.SubShapeAllSorted(vol,ShapeTypeFace) +subEdgeList=geompy.SubShapeAllSorted(vol,ShapeTypeEdge) + +print "number of Shells in the volume : ",len(subShellList) +print "number of Faces in the volume : ",len(subFaceList) +print "number of Edges in the volume : ",len(subEdgeList) + +idSubEdge = [] +for k in range(len(subEdgeList)): + idSubEdge.append(geompy.addToStudyInFather(vol,subEdgeList[k],"SubEdge"+str(k))) + +edgeZ = [] +edgeZ.append(subEdgeList[0]) +edgeZ.append(subEdgeList[3]) +edgeZ.append(subEdgeList[10]) +edgeZ.append(subEdgeList[11]) +edgeZ.append(subEdgeList[20]) +edgeZ.append(subEdgeList[21]) +edgeZ.append(subEdgeList[28]) +edgeZ.append(subEdgeList[31]) + +idEdgeZ = [] +for i in range(8): + idEdgeZ.append(geompy.addToStudyInFather(vol,edgeZ[i],"EdgeZ"+str(i+1))) + +# ---- launch SMESH + +smeshgui = salome.ImportComponentGUI("SMESH") +smeshgui.Init(salome.myStudyId) + +gen=smeshpy.smeshpy() + +# ---- create Hypothesis + +print "-------------------------- create Hypothesis" + +print "-------------------------- NumberOfSegments the global one" + +numberOfSegments = 10 + +hypothesis=gen.CreateHypothesis("NumberOfSegments") +hypNbSeg=hypothesis._narrow(SMESH.SMESH_NumberOfSegments) +hypNbSeg.SetNumberOfSegments(numberOfSegments) +hypNbSegID = hypNbSeg.GetId() +print hypNbSeg.GetName() +print hypNbSegID +print hypNbSeg.GetNumberOfSegments() + +idseg = smeshgui.AddNewHypothesis( salome.orb.object_to_string(hypNbSeg) ) +smeshgui.SetName(idseg, "NumberOfSegments") + +print "-------------------------- NumberOfSegments in the Z direction" + +numberOfSegmentsZ = 40 + +hypothesis=gen.CreateHypothesis("NumberOfSegments") +hypNbSegZ=hypothesis._narrow(SMESH.SMESH_NumberOfSegments) +hypNbSegZ.SetNumberOfSegments(numberOfSegmentsZ) +hypNbSegZID = hypNbSegZ.GetId() +print hypNbSegZ.GetName() +print hypNbSegZID +print hypNbSegZ.GetNumberOfSegments() + +idsegZ = smeshgui.AddNewHypothesis( salome.orb.object_to_string(hypNbSegZ) ) +smeshgui.SetName(idsegZ, "NumberOfSegmentsZ") + +# ---- create Algorithms + +print "-------------------------- create Algorithms" + +print "-------------------------- Regular_1D" + +hypothesis=gen.CreateHypothesis("Regular_1D") +regular1D = hypothesis._narrow(SMESH.SMESH_Regular_1D) +regularID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(regular1D) ) +smeshgui.SetName(regularID, "Wire Discretisation") + +print "-------------------------- Quadrangle_2D" + +hypothesis=gen.CreateHypothesis("Quadrangle_2D") +quad2D = hypothesis._narrow(SMESH.SMESH_Quadrangle_2D) +quadID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(quad2D) ) +smeshgui.SetName(quadID, "Quadrangle_2D") + +print "-------------------------- Hexa_3D" + +hypothesis=gen.CreateHypothesis("Hexa_3D") +hexa3D = hypothesis._narrow(SMESH.SMESH_Hexa_3D) +hexaID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(hexa3D) ) +smeshgui.SetName(hexaID, "Hexa_3D") + +# ---- init a Mesh with the volume + +mesh=gen.Init(idVol) +idmesh = smeshgui.AddNewMesh( salome.orb.object_to_string(mesh) ) +smeshgui.SetName(idmesh, "meshVolume") +smeshgui.SetShape(idVol, idmesh) + +# ---- add hypothesis to the volume + +print "-------------------------- add hypothesis to the volume" + +ret=mesh.AddHypothesis(vol,regular1D) +print ret +ret=mesh.AddHypothesis(vol,hypNbSeg) +print ret +ret=mesh.AddHypothesis(vol,quad2D) +print ret +ret=mesh.AddHypothesis(vol,hexa3D) +print ret + +print "-------------------------- set algoritms" + +smeshgui.SetAlgorithms( idmesh, regularID) +smeshgui.SetHypothesis( idmesh, idseg ) +smeshgui.SetAlgorithms( idmesh, quadID ) +smeshgui.SetAlgorithms( idmesh, hexaID ) + +for i in range(8): + print "-------------------------- add hypothesis to edge in the Z directions", (i+1) + + subMeshEdgeZ = mesh.GetElementsOnShape(edgeZ[i]) + + retZ = mesh.AddHypothesis(edgeZ[i],hypNbSegZ) + print " add hyp Z ", retZ + + idsmZ = smeshgui.AddSubMeshOnShape( + idmesh,idEdgeZ[i],salome.orb.object_to_string(subMeshEdgeZ), + ShapeTypeEdge) + + smeshgui.SetName(idsmZ, "SubMeshEdgeZ_"+str(i+1)) + + smeshgui.SetHypothesis(idsmZ, idsegZ) + +sg.updateObjBrowser(1) + +print "-------------------------- compute the mesh of the volume" +ret=gen.Compute(mesh,idVol) +print ret +if ret != 0: + log=mesh.GetLog(0) # no erase trace + for linelog in log: + print linelog +else: + print "problem when Computing the mesh" + +sg.updateObjBrowser(1) diff --git a/src/SMESH_SWIG/SMESH_demo_tetra.py b/src/SMESH_SWIG/SMESH_demo_tetra.py new file mode 100644 index 000000000..95a5ef0f2 --- /dev/null +++ b/src/SMESH_SWIG/SMESH_demo_tetra.py @@ -0,0 +1,176 @@ +# +# Tetrahedrization of a geometry (box minus a inner cylinder). +# Hypothesis and algorithms for the mesh generation are global +# + +import salome +from salome import sg + +import geompy + +import SMESH +import smeshpy + +# ----------------------------------------------------------------------------- + +geom = geompy.geom +myBuilder = geompy.myBuilder + +ShapeTypeShell = 3 +ShapeTypeFace = 4 +ShapeTypeEdge = 6 + +# ---- define a boxe and a cylinder +x0 = -1. +y0 = -1. +z0 = -1. + +x1 = 1. +y1 = 1. +z1 = 1. + +P0 = geom.MakePointStruct(0.,-1.,0.) +P1 = geom.MakePointStruct(0.,1.,0.) +Vect = geom.MakeDirection(P1) +radius = 0.5 +height = 2. + +boxe = geompy.MakeBox(x0,y0,z0,x1,y1,z1) + +cylinder = geompy.MakeCylinder(P0,Vect,radius,height) + +shape = geompy.MakeBoolean(boxe,cylinder,2) +idshape = geompy.addToStudy(shape,"shape") + +print "" + +print "Analysis of the shape :" +subShellList=geompy.SubShapeAll(shape,ShapeTypeShell) +subFaceList=geompy.SubShapeAll(shape,ShapeTypeFace) +subEdgeList=geompy.SubShapeAll(shape,ShapeTypeEdge) + +print "number of Shells in the shape : ",len(subShellList) +print "number of Faces in the shape : ",len(subFaceList) +print "number of Edges in the shape : ",len(subEdgeList) + +# ---- launch SMESH + +smeshgui = salome.ImportComponentGUI("SMESH") +smeshgui.Init(salome.myStudyId) + +gen=smeshpy.smeshpy() + +# ---- create Hypothesis + +print "-------------------------- create Hypothesis" + +print "-------------------------- NumberOfSegments" + +numberOfSegments = 10 + +hypothesis=gen.CreateHypothesis("NumberOfSegments") +hypNbSeg=hypothesis._narrow(SMESH.SMESH_NumberOfSegments) +hypNbSeg.SetNumberOfSegments(numberOfSegments) +hypNbSegID = hypNbSeg.GetId() +print hypNbSeg.GetName() +print hypNbSegID +print hypNbSeg.GetNumberOfSegments() + +idseg = smeshgui.AddNewHypothesis( salome.orb.object_to_string(hypNbSeg) ) +smeshgui.SetName(idseg, "NumberOfSegments") + +print "-------------------------- LengthFromEdges" + +hypothesis=gen.CreateHypothesis("LengthFromEdges") +hypLengthFromEdge=hypothesis._narrow(SMESH.SMESH_LengthFromEdges) +hypLengthFromEdgeID = hypLengthFromEdge.GetId() +print hypLengthFromEdge.GetName() +print hypLengthFromEdgeID + +idlenfromedge = smeshgui.AddNewHypothesis( salome.orb.object_to_string(hypLengthFromEdge) ) +smeshgui.SetName(idlenfromedge, "LengthFromEdge") + +print "-------------------------- MaxElementVolume" + +maxElementVolume = 0.5 + +hypothesis=gen.CreateHypothesis("MaxElementVolume") +hypVolume=hypothesis._narrow(SMESH.SMESH_MaxElementVolume) +hypVolume.SetMaxElementVolume(maxElementVolume) +print hypVolume.GetName() +print hypVolume.GetId() +print hypVolume.GetMaxElementVolume() + +idvolume = smeshgui.AddNewHypothesis( salome.orb.object_to_string(hypVolume) ) +smeshgui.SetName(idvolume, "MaxElementVolume") + +# ---- create Algorithms + +print "-------------------------- create Algorithms" + +print "-------------------------- Regular_1D" + +hypothesis=gen.CreateHypothesis("Regular_1D") +regular1D = hypothesis._narrow(SMESH.SMESH_Regular_1D) +regularID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(regular1D) ) +smeshgui.SetName(regularID, "Wire Discretisation") + +print "-------------------------- MEFISTO_2D" + +hypothesis=gen.CreateHypothesis("MEFISTO_2D") +mefisto2D = hypothesis._narrow(SMESH.SMESH_MEFISTO_2D) +mefistoID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(mefisto2D) ) +smeshgui.SetName(mefistoID, "MEFISTO_2D") + +print "-------------------------- NETGEN_3D" + +hypothesis=gen.CreateHypothesis("NETGEN_3D") +netgen3D = hypothesis._narrow(SMESH.SMESH_NETGEN_3D) +netgenID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(netgen3D) ) +smeshgui.SetName(netgenID, "NETGEN_3D") + +# ---- init a Mesh with the shell + +mesh=gen.Init(idshape) +idmesh = smeshgui.AddNewMesh( salome.orb.object_to_string(mesh) ) +smeshgui.SetName(idmesh, "MeshShape") +smeshgui.SetShape(idshape, idmesh) + +# ---- add hypothesis to flight + +print "-------------------------- add hypothesis to the shape" + +ret=mesh.AddHypothesis(shape,regular1D) +print ret +ret=mesh.AddHypothesis(shape,hypNbSeg) +print ret +ret=mesh.AddHypothesis(shape,mefisto2D) +print ret +ret=mesh.AddHypothesis(shape,hypLengthFromEdge) +print ret +ret=mesh.AddHypothesis(shape,netgen3D) +print ret +ret=mesh.AddHypothesis(shape,hypVolume) +print ret + +smeshgui.SetAlgorithms( idmesh, regularID) +smeshgui.SetHypothesis( idmesh, idseg ) +smeshgui.SetAlgorithms( idmesh, mefistoID ) +smeshgui.SetHypothesis( idmesh, idlenfromedge) +smeshgui.SetAlgorithms( idmesh, netgenID ) +smeshgui.SetHypothesis( idmesh, idvolume ) + +sg.updateObjBrowser(1) + + +print "-------------------------- compute the mesh of the shape" +ret=gen.Compute(mesh,idshape) +print ret +if ret != 0: + log=mesh.GetLog(0) # no erase trace + for linelog in log: + print linelog +else: + print "probleme when computing the mesh" + +sg.updateObjBrowser(1) diff --git a/src/SMESH_SWIG/SMESH_demo_tetra2.py b/src/SMESH_SWIG/SMESH_demo_tetra2.py new file mode 100644 index 000000000..7aebfa509 --- /dev/null +++ b/src/SMESH_SWIG/SMESH_demo_tetra2.py @@ -0,0 +1,243 @@ +# +# Tetrahedrization of a geometry (box minus a inner cylinder). +# Hypothesis and algorithms for the mesh generation are not +# global: the mesh of some edges is thinner. +# + +import salome +from salome import sg + +import geompy + +import SMESH +import smeshpy + +# ----------------------------------------------------------------------------- + +geom = geompy.geom +myBuilder = geompy.myBuilder + +ShapeTypeShell = 3 +ShapeTypeFace = 4 +ShapeTypeEdge = 6 + +# ---- define a boxe and a cylinder +x0 = -1. +y0 = -1. +z0 = -1. + +x1 = 1. +y1 = 1. +z1 = 1. + +P0 = geom.MakePointStruct(0.,-1.,0.) +P1 = geom.MakePointStruct(0.,1.,0.) +Vect = geom.MakeDirection(P1) +radius = 0.5 +height = 2. + +boxe = geompy.MakeBox(x0,y0,z0,x1,y1,z1) + +cylinder = geompy.MakeCylinder(P0,Vect,radius,height) + +shape = geompy.MakeBoolean(boxe,cylinder,2) +idshape = geompy.addToStudy(shape,"shape") + +print "Analysis of the shape :" +subShellList=geompy.SubShapeAllSorted(shape,ShapeTypeShell) +subFaceList=geompy.SubShapeAllSorted(shape,ShapeTypeFace) +subEdgeList=geompy.SubShapeAllSorted(shape,ShapeTypeEdge) + +print "number of Shells in the shape : ",len(subShellList) +print "number of Faces in the shape : ",len(subFaceList) +print "number of Edges in the shape : ",len(subEdgeList) + +idSubEdge = [] +for k in range(len(subEdgeList)): + idSubEdge.append(geompy.addToStudyInFather(shape,subEdgeList[k],"SubEdge"+str(k))) + +circle1 = subEdgeList[5] +idCircle1 = geompy.addToStudyInFather(shape,circle1,"circle1") + +circle2 = subEdgeList[9] +idCircle2 = geompy.addToStudyInFather(shape,circle2,"circle2") + +height = subEdgeList[7] +idHeight = geompy.addToStudyInFather(shape,height,"height") + +# ---- launch SMESH + +smeshgui = salome.ImportComponentGUI("SMESH") +smeshgui.Init(salome.myStudyId) + +gen=smeshpy.smeshpy() + +# ---- create Hypothesis + +print "-------------------------- create Hypothesis" + +print "-------------------------- NumberOfSegments Edge of the boxe" + +numberOfSegmentsBoxe = 10 + +hypothesis=gen.CreateHypothesis("NumberOfSegments") +hypNbSegBoxe=hypothesis._narrow(SMESH.SMESH_NumberOfSegments) +hypNbSegBoxe.SetNumberOfSegments(numberOfSegmentsBoxe) +hypNbSegID = hypNbSegBoxe.GetId() +print hypNbSegBoxe.GetName() +print hypNbSegID +print hypNbSegBoxe.GetNumberOfSegments() + +idSegBoxe = smeshgui.AddNewHypothesis(salome.orb.object_to_string(hypNbSegBoxe)) +smeshgui.SetName(idSegBoxe, "NumberOfSegmentsBoxe") + +print "-------------------------- NumberOfSegments Edge of the cylinder" + +numberOfSegmentsCylinder = 40 + +hypothesis=gen.CreateHypothesis("NumberOfSegments") +hypNbSegCylinder=hypothesis._narrow(SMESH.SMESH_NumberOfSegments) +hypNbSegCylinder.SetNumberOfSegments(numberOfSegmentsCylinder) +hypNbSegID = hypNbSegCylinder.GetId() +print hypNbSegCylinder.GetName() +print hypNbSegID +print hypNbSegCylinder.GetNumberOfSegments() + +idSegCylinder = smeshgui.AddNewHypothesis(salome.orb.object_to_string(hypNbSegCylinder)) +smeshgui.SetName(idSegCylinder, "NumberOfSegmentsCylinder") + +print "-------------------------- LengthFromEdges" + +hypothesis=gen.CreateHypothesis("LengthFromEdges") +hypLengthFromEdge=hypothesis._narrow(SMESH.SMESH_LengthFromEdges) +hypLengthFromEdgeID = hypLengthFromEdge.GetId() +print hypLengthFromEdge.GetName() +print hypLengthFromEdgeID + +idlenfromedge = smeshgui.AddNewHypothesis( salome.orb.object_to_string(hypLengthFromEdge) ) +smeshgui.SetName(idlenfromedge, "LengthFromEdge") + +print "-------------------------- MaxElementVolume" + +maxElementVolume = 0.5 + +hypothesis=gen.CreateHypothesis("MaxElementVolume") +hypVolume=hypothesis._narrow(SMESH.SMESH_MaxElementVolume) +hypVolume.SetMaxElementVolume(maxElementVolume) +print hypVolume.GetName() +print hypVolume.GetId() +print hypVolume.GetMaxElementVolume() + +idvolume = smeshgui.AddNewHypothesis( salome.orb.object_to_string(hypVolume) ) +smeshgui.SetName(idvolume, "MaxElementVolume") + +# ---- create Algorithms + +print "-------------------------- create Algorithms" + +print "-------------------------- Regular_1D" + +hypothesis=gen.CreateHypothesis("Regular_1D") +regular1D = hypothesis._narrow(SMESH.SMESH_Regular_1D) +regularID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(regular1D) ) +smeshgui.SetName(regularID, "Wire Discretisation") + +print "-------------------------- MEFISTO_2D" + +hypothesis=gen.CreateHypothesis("MEFISTO_2D") +mefisto2D = hypothesis._narrow(SMESH.SMESH_MEFISTO_2D) +mefistoID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(mefisto2D) ) +smeshgui.SetName(mefistoID, "MEFISTO_2D") + +print "-------------------------- NETGEN_3D" + +hypothesis=gen.CreateHypothesis("NETGEN_3D") +netgen3D = hypothesis._narrow(SMESH.SMESH_NETGEN_3D) +netgenID = smeshgui.AddNewAlgorithms( salome.orb.object_to_string(netgen3D) ) +smeshgui.SetName(netgenID, "NETGEN_3D") + +# ---- init a Mesh with the shell + +mesh=gen.Init(idshape) +idmesh = smeshgui.AddNewMesh( salome.orb.object_to_string(mesh) ) +smeshgui.SetName(idmesh, "MeshShape") +smeshgui.SetShape(idshape, idmesh) + +# ---- add hypothesis to flight + +print "-------------------------- add hypothesis to the shape" + +ret=mesh.AddHypothesis(shape,regular1D) +print ret +ret=mesh.AddHypothesis(shape,hypNbSegBoxe) +print ret +ret=mesh.AddHypothesis(shape,mefisto2D) +print ret +ret=mesh.AddHypothesis(shape,hypLengthFromEdge) +print ret +ret=mesh.AddHypothesis(shape,netgen3D) +print ret +ret=mesh.AddHypothesis(shape,hypVolume) +print ret + +print "-------------------------- set algoritms" + +smeshgui.SetAlgorithms( idmesh, regularID) +smeshgui.SetHypothesis( idmesh, idSegBoxe ) +smeshgui.SetAlgorithms( idmesh, mefistoID ) +smeshgui.SetHypothesis( idmesh, idlenfromedge) +smeshgui.SetAlgorithms( idmesh, netgenID ) +smeshgui.SetHypothesis( idmesh, idvolume ) + +print "-------------------------- add hypothesis to the first circle" + +subMeshEdgeCircle1 = mesh.GetElementsOnShape(circle1) +retCircle1 = mesh.AddHypothesis(circle1,hypNbSegCylinder) +print " add hyp to C1 ", retCircle1 + +idsmCircle1 = smeshgui.AddSubMeshOnShape( + idmesh,idCircle1,salome.orb.object_to_string(subMeshEdgeCircle1), + ShapeTypeEdge) + +smeshgui.SetName(idsmCircle1, "SubMeshEdgeCircle1") +smeshgui.SetHypothesis(idsmCircle1, idSegCylinder) + +print "-------------------------- add hypothesis to the second circle" + +subMeshEdgeCircle2 = mesh.GetElementsOnShape(circle2) +retCircle2 = mesh.AddHypothesis(circle2,hypNbSegCylinder) +print " add hyp to C2 ", retCircle2 + +idsmCircle2 = smeshgui.AddSubMeshOnShape( + idmesh,idCircle2,salome.orb.object_to_string(subMeshEdgeCircle2), + ShapeTypeEdge) + +smeshgui.SetName(idsmCircle2, "SubMeshEdgeCircle2") +smeshgui.SetHypothesis(idsmCircle2, idSegCylinder) + +print "-------------------------- add hypothesis to the height of the cylinder" + +subMeshEdgeHeight = mesh.GetElementsOnShape(height) +retHeight = mesh.AddHypothesis(height,hypNbSegCylinder) +print " add hyp to H ", retHeight + +idsmHeight = smeshgui.AddSubMeshOnShape( + idmesh,idHeight,salome.orb.object_to_string(subMeshEdgeHeight), + ShapeTypeEdge) + +smeshgui.SetName(idsmHeight, "SubMeshEdgeHeight") +smeshgui.SetHypothesis(idsmHeight, idSegCylinder) + +sg.updateObjBrowser(1) + +print "-------------------------- compute the mesh of the shape" +ret=gen.Compute(mesh,idshape) +print ret +if ret != 0: + log=mesh.GetLog(0) # no erase trace + for linelog in log: + print linelog +else: + print "probleme when computing the mesh" + +sg.updateObjBrowser(1) -- 2.39.2