fix creation of polyhedrons

This commit is contained in:
eap 2012-07-19 13:25:39 +00:00
parent 84f887e8f5
commit 7f92b57200

View File

@ -20,7 +20,6 @@
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
// SMESH SMESH : implementaion of SMESH idl descriptions
// File : StdMeshers_Prism_3D.cxx
// Module : SMESH
// Created : Fri Oct 20 11:37:07 2006
@ -689,9 +688,6 @@ bool StdMeshers_Prism_3D::Evaluate(SMESH_Mesh& theMesh,
void StdMeshers_Prism_3D::AddPrisms( vector<const TNodeColumn*> & columns,
SMESH_MesherHelper* helper)
{
SMESHDS_Mesh * meshDS = helper->GetMeshDS();
int shapeID = helper->GetSubShapeID();
int nbNodes = columns.size();
int nbZ = columns[0]->size();
if ( nbZ < 2 ) return;
@ -702,87 +698,103 @@ void StdMeshers_Prism_3D::AddPrisms( vector<const TNodeColumn*> & columns,
int z = 1;
switch ( nbNodes ) {
case 3: {
const SMDS_MeshNode* botNodes[3] = { (*columns[0])[z-1],
(*columns[1])[z-1],
(*columns[2])[z-1] };
const SMDS_MeshNode* topNodes[3] = { (*columns[0])[z],
(*columns[1])[z],
(*columns[2])[z] };
SMDS_VolumeOfNodes tmpVol ( botNodes[0], botNodes[1], botNodes[2],
topNodes[0], topNodes[1], topNodes[2]);
vTool.Set( &tmpVol );
SMDS_VolumeOfNodes tmpPenta ( (*columns[0])[z-1], // bottom
(*columns[1])[z-1],
(*columns[2])[z-1],
(*columns[0])[z], // top
(*columns[1])[z],
(*columns[2])[z] );
vTool.Set( &tmpPenta );
isForward = vTool.IsForward();
break;
}
case 4: {
const SMDS_MeshNode* botNodes[4] = { (*columns[0])[z-1], (*columns[1])[z-1],
(*columns[2])[z-1], (*columns[3])[z-1] };
const SMDS_MeshNode* topNodes[4] = { (*columns[0])[z], (*columns[1])[z],
(*columns[2])[z], (*columns[3])[z] };
SMDS_VolumeOfNodes tmpVol ( botNodes[0], botNodes[1], botNodes[2], botNodes[3],
topNodes[0], topNodes[1], topNodes[2], topNodes[3]);
vTool.Set( &tmpVol );
SMDS_VolumeOfNodes tmpHex( (*columns[0])[z-1], (*columns[1])[z-1], // bottom
(*columns[2])[z-1], (*columns[3])[z-1],
(*columns[0])[z], (*columns[1])[z], // top
(*columns[2])[z], (*columns[3])[z] );
vTool.Set( &tmpHex );
isForward = vTool.IsForward();
break;
}
default:
const int di = (nbNodes+1) / 3;
SMDS_VolumeOfNodes tmpVol ( (*columns[0] )[z-1],
(*columns[di] )[z-1],
(*columns[2*di])[z-1],
(*columns[0] )[z],
(*columns[di] )[z],
(*columns[2*di])[z] );
vTool.Set( &tmpVol );
isForward = vTool.IsForward();
}
// vertical loop on columns
for ( z = 1; z < nbZ; ++z )
{
SMDS_MeshElement* vol = 0;
switch ( nbNodes ) {
case 3: {
const SMDS_MeshNode* botNodes[3] = { (*columns[0])[z-1],
(*columns[1])[z-1],
(*columns[2])[z-1] };
const SMDS_MeshNode* topNodes[3] = { (*columns[0])[z],
(*columns[1])[z],
(*columns[2])[z] };
if ( isForward )
vol = helper->AddVolume( botNodes[0], botNodes[1], botNodes[2],
topNodes[0], topNodes[1], topNodes[2]);
else
vol = helper->AddVolume( topNodes[0], topNodes[1], topNodes[2],
botNodes[0], botNodes[1], botNodes[2]);
break;
}
case 4: {
const SMDS_MeshNode* botNodes[4] = { (*columns[0])[z-1], (*columns[1])[z-1],
(*columns[2])[z-1], (*columns[3])[z-1] };
const SMDS_MeshNode* topNodes[4] = { (*columns[0])[z], (*columns[1])[z],
(*columns[2])[z], (*columns[3])[z] };
if ( isForward )
vol = helper->AddVolume( botNodes[0], botNodes[1], botNodes[2], botNodes[3],
topNodes[0], topNodes[1], topNodes[2], topNodes[3]);
else
vol = helper->AddVolume( topNodes[0], topNodes[1], topNodes[2], topNodes[3],
botNodes[0], botNodes[1], botNodes[2], botNodes[3]);
break;
}
default:
// polyhedron
vector<const SMDS_MeshNode*> nodes( 2*nbNodes + 4*nbNodes);
vector<int> quantities( 2 + nbNodes, 4 );
quantities[0] = quantities[1] = nbNodes;
columns.resize( nbNodes + 1 );
columns[ nbNodes ] = columns[ 0 ];
for ( int i = 0; i < nbNodes; ++i ) {
nodes[ i ] = (*columns[ i ])[z-1]; // bottom
nodes[ i+nbNodes ] = (*columns[ i ])[z ]; // top
// side
int di = 2*nbNodes + 4*i - 1;
nodes[ di ] = (*columns[i ])[z-1];
nodes[ di+1 ] = (*columns[i+1])[z-1];
nodes[ di+2 ] = (*columns[i+1])[z ];
nodes[ di+3 ] = (*columns[i ])[z ];
}
vol = meshDS->AddPolyhedralVolume( nodes, quantities );
}
if ( vol && shapeID > 0 )
meshDS->SetMeshElementOnShape( vol, shapeID );
helper->SetElementsOnShape( true );
switch ( nbNodes ) {
case 3: { // ---------- pentahedra
const int i1 = isForward ? 1 : 2;
const int i2 = isForward ? 2 : 1;
for ( z = 1; z < nbZ; ++z )
helper->AddVolume( (*columns[0 ])[z-1], // bottom
(*columns[i1])[z-1],
(*columns[i2])[z-1],
(*columns[0 ])[z], // top
(*columns[i1])[z],
(*columns[i2])[z] );
break;
}
case 4: { // ---------- hexahedra
const int i1 = isForward ? 1 : 3;
const int i3 = isForward ? 3 : 1;
for ( z = 1; z < nbZ; ++z )
helper->AddVolume( (*columns[0])[z-1], (*columns[i1])[z-1], // bottom
(*columns[2])[z-1], (*columns[i3])[z-1],
(*columns[0])[z], (*columns[i1])[z], // top
(*columns[2])[z], (*columns[i3])[z] );
break;
}
case 6: { // ---------- octahedra
const int iBase1 = isForward ? -1 : 0;
const int iBase2 = isForward ? 0 :-1;
for ( z = 1; z < nbZ; ++z )
helper->AddVolume( (*columns[0])[z+iBase1], (*columns[1])[z+iBase1], // bottom or top
(*columns[2])[z+iBase1], (*columns[3])[z+iBase1],
(*columns[4])[z+iBase1], (*columns[5])[z+iBase1],
(*columns[0])[z+iBase2], (*columns[1])[z+iBase2], // top or bottom
(*columns[2])[z+iBase2], (*columns[3])[z+iBase2],
(*columns[4])[z+iBase2], (*columns[5])[z+iBase2] );
break;
}
default: // ---------- polyhedra
vector<int> quantities( 2 + nbNodes, 4 );
quantities[0] = quantities[1] = nbNodes;
columns.resize( nbNodes + 1 );
columns[ nbNodes ] = columns[ 0 ];
const int i1 = isForward ? 1 : 3;
const int i3 = isForward ? 3 : 1;
const int iBase1 = isForward ? -1 : 0;
const int iBase2 = isForward ? 0 :-1;
vector<const SMDS_MeshNode*> nodes( 2*nbNodes + 4*nbNodes);
for ( z = 1; z < nbZ; ++z )
{
for ( int i = 0; i < nbNodes; ++i ) {
nodes[ i ] = (*columns[ i ])[z+iBase1]; // bottom or top
nodes[ 2*nbNodes-i-1 ] = (*columns[ i ])[z+iBase2]; // top or bottom
// side
int di = 2*nbNodes + 4*i;
nodes[ di+0 ] = (*columns[i ])[z ];
nodes[ di+i1] = (*columns[i+1])[z ];
nodes[ di+2 ] = (*columns[i+1])[z-1];
nodes[ di+i3] = (*columns[i ])[z-1];
}
helper->AddPolyhedralVolume( nodes, quantities );
}
} // switch ( nbNodes )
}
//================================================================================