# 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())
