X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=doc%2Fsalome%2Fexamples%2Fcartesian_algo.py;h=d7d64b8b7617bfbb8e813f812b52ea0509b3cb1e;hb=13e344b8720248d920a39505004bb9a889a0b2d7;hp=b15455f2824bec19b4d8a553cb3f01cbe5cbf617;hpb=9a54694a0ab1e5cbc558a35c4606ceea4f7af2ef;p=modules%2Fsmesh.git diff --git a/doc/salome/examples/cartesian_algo.py b/doc/salome/examples/cartesian_algo.py index b15455f28..d7d64b8b7 100644 --- a/doc/salome/examples/cartesian_algo.py +++ b/doc/salome/examples/cartesian_algo.py @@ -1,42 +1,111 @@ # Usage of Body Fitting algorithm -from smesh import * -SetCurrentStudy(salome.myStudy) + +import salome +salome.salome_init() +import GEOM +from salome.geom import geomBuilder +geompy = geomBuilder.New() + +import SMESH, SALOMEDS +from salome.smesh import smeshBuilder +smesh = smeshBuilder.New() + # create a sphere sphere = geompy.MakeSphereR( 50 ) -geompy.addToStudy( sphere, "sphere" ) + +# cut the sphere by a box +box = geompy.MakeBoxDXDYDZ( 100, 100, 100 ) +partition = geompy.MakePartition([ sphere ], [ box ], theName="partition") # create a mesh and assign a "Body Fitting" algo -mesh = Mesh( sphere ) +mesh = smesh.Mesh( partition ) cartAlgo = mesh.BodyFitted() # define a cartesian grid using Coordinates -coords = range(-100,100,10) +coords = list(range(-100,100,10)) cartHyp = cartAlgo.SetGrid( coords,coords,coords, 1000000) # compute the mesh mesh.Compute() -print "nb hexahedra",mesh.NbHexas() -print "nb tetrahedra",mesh.NbTetras() -print "nb polyhedra",mesh.NbPolyhedrons() -print +print("nb hexahedra",mesh.NbHexas()) +print("nb tetrahedra",mesh.NbTetras()) +print("nb polyhedra",mesh.NbPolyhedrons()) +print() # define the grid by setting constant spacing cartHyp = cartAlgo.SetGrid( "10","10","10", 1000000) mesh.Compute() -print "nb hexahedra",mesh.NbHexas() -print "nb tetrahedra",mesh.NbTetras() -print "nb polyhedra",mesh.NbPolyhedrons() +print("nb hexahedra",mesh.NbHexas()) +print("nb tetrahedra",mesh.NbTetras()) +print("nb polyhedra",mesh.NbPolyhedrons()) +print("nb faces",mesh.NbFaces()) +print() + +# activate creation of faces +cartHyp.SetToCreateFaces( True ) + +mesh.Compute() +print("nb hexahedra",mesh.NbHexas()) +print("nb tetrahedra",mesh.NbTetras()) +print("nb polyhedra",mesh.NbPolyhedrons()) +print("nb faces",mesh.NbFaces()) +print() +# enable consideration of shared faces +cartHyp.SetToConsiderInternalFaces( True ) +mesh.Compute() +print("nb hexahedra",mesh.NbHexas()) +print("nb tetrahedra",mesh.NbTetras()) +print("nb polyhedra",mesh.NbPolyhedrons()) +print("nb faces",mesh.NbFaces()) +print() # define the grid by setting different spacing in 2 sub-ranges of geometry spaceFuns = ["5","10+10*t"] cartAlgo.SetGrid( [spaceFuns, [0.5]], [spaceFuns, [0.5]], [spaceFuns, [0.25]], 10 ) mesh.Compute() -print "nb hexahedra",mesh.NbHexas() -print "nb tetrahedra",mesh.NbTetras() -print "nb polyhedra",mesh.NbPolyhedrons() -print +print("nb hexahedra",mesh.NbHexas()) +print("nb tetrahedra",mesh.NbTetras()) +print("nb polyhedra",mesh.NbPolyhedrons()) +print() + +# Example of customization of dirtections of the grid axes + +# make a box with non-orthogonal edges +xDir = geompy.MakeVectorDXDYDZ( 1.0, 0.1, 0.0, "xDir" ) +yDir = geompy.MakeVectorDXDYDZ(-0.1, 1.0, 0.0, "yDir" ) +zDir = geompy.MakeVectorDXDYDZ( 0.2, 0.3, 1.0, "zDir" ) +face = geompy.MakePrismVecH( xDir, yDir, 1.0 ) +box = geompy.MakePrismVecH( face, zDir, 1.0, theName="box" ) + +spc = "0.1" # spacing + +# default axes +mesh = smesh.Mesh( box, "custom axes") +algo = mesh.BodyFitted() +algo.SetGrid( spc, spc, spc, 10000 ) +mesh.Compute() +print("Default axes") +print(" nb hex:",mesh.NbHexas()) + +# set axes using edges of the box +algo.SetAxesDirs( xDir, [-0.1,1,0], zDir ) +mesh.Compute() +print("Manual axes") +print(" nb hex:",mesh.NbHexas()) + +# set optimal orthogonal axes +algo.SetOptimalAxesDirs( isOrthogonal=True ) +mesh.Compute() +print("Optimal orthogonal axes") +print(" nb hex:",mesh.NbHexas()) + +# set optimal non-orthogonal axes +algo.SetOptimalAxesDirs( isOrthogonal=False ) +mesh.Compute() +print("Optimal non-orthogonal axes") +print(" nb hex:",mesh.NbHexas())