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Enable splitting bi-quad quadrangles by QuadToTri()

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This commit is contained in:
eap 2016-02-03 14:43:37 +03:00
parent 475d7c1304
commit 5b3023e6cb
3 changed files with 20 additions and 36 deletions
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13
src/Controls/SMESH_Controls.cxx
View File

@ -3212,14 +3212,13 @@ bool RangeOfIds::SetRangeStr( const TCollection_AsciiString& theStr )
myIds.Clear();
TCollection_AsciiString aStr = theStr;
//aStr.RemoveAll( ' ' );
//aStr.RemoveAll( '\t' );
for ( int i = 1; i <= aStr.Length(); ++i )
if ( isspace( aStr.Value( i )))
aStr.SetValue( i, ',');
for ( int aPos = aStr.Search( ",," ); aPos != -1; aPos = aStr.Search( ",," ) )
aStr.Remove( aPos, 1 );
{
char c = aStr.Value( i );
if ( !isdigit( c ) && c != ',' && c != '-' )
aStr.SetValue( i, ' ');
}
aStr.RemoveAll( ' ' );
TCollection_AsciiString tmpStr = aStr.Token( ",", 1 );
int i = 1;

41
src/SMESH/SMESH_MeshEditor.cxx
View File

@ -2979,7 +2979,7 @@ bool SMESH_MeshEditor::QuadToTri (TIDSortedElemSet & theElems,
// Quadratic quadrangle
else if ( elem->NbNodes() == 8 )
else if ( elem->NbNodes() >= 8 )
{
// get surface elem is on
int aShapeId = FindShape( elem );
@ -2996,49 +2996,34 @@ bool SMESH_MeshEditor::QuadToTri (TIDSortedElemSet & theElems,
}
}
const SMDS_MeshNode* aNodes [8];
const SMDS_MeshNode* aNodes [9]; aNodes[8] = 0;
SMDS_ElemIteratorPtr itN = elem->nodesIterator();
for ( int i = 0; itN->more(); ++i )
aNodes[ i ] = static_cast<const SMDS_MeshNode*>( itN->next() );
const SMDS_MeshNode* inFaceNode = 0;
if ( helper.GetNodeUVneedInFaceNode() )
for ( int i = 0; i < 8 && !inFaceNode; ++i )
if ( aNodes[ i ]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE )
inFaceNode = aNodes[ i ];
// find middle point for (0,1,2,3)
// and create a node in this point;
gp_XYZ p( 0,0,0 );
if ( surface.IsNull() ) {
for ( int i = 0; i < 4; i++ ) p += SMESH_TNodeXYZ( aNodes[i] );
p /= 4;
const SMDS_MeshNode* centrNode = aNodes[8];
if ( centrNode == 0 )
{
centrNode = helper.GetCentralNode( aNodes[0], aNodes[1], aNodes[2], aNodes[3],
aNodes[4], aNodes[5], aNodes[6], aNodes[7],
surface.IsNull() );
myLastCreatedNodes.Append(centrNode);
}
else {
TopoDS_Face geomFace = TopoDS::Face( helper.GetSubShape() );
gp_XY uv( 0,0 );
for ( int i = 0; i < 4; i++ )
uv += helper.GetNodeUV( geomFace, aNodes[i], inFaceNode );
uv /= 4.;
p = surface->Value( uv.X(), uv.Y() ).XYZ();
}
const SMDS_MeshNode* newN = aMesh->AddNode( p.X(), p.Y(), p.Z() );
myLastCreatedNodes.Append(newN);
// create a new element
const SMDS_MeshElement* newElem1 = 0;
const SMDS_MeshElement* newElem2 = 0;
if ( the13Diag ) {
newElem1 = aMesh->AddFace(aNodes[2], aNodes[3], aNodes[0],
aNodes[6], aNodes[7], newN );
aNodes[6], aNodes[7], centrNode );
newElem2 = aMesh->AddFace(aNodes[2], aNodes[0], aNodes[1],
newN, aNodes[4], aNodes[5] );
centrNode, aNodes[4], aNodes[5] );
}
else {
newElem1 = aMesh->AddFace(aNodes[3], aNodes[0], aNodes[1],
aNodes[7], aNodes[4], newN );
aNodes[7], aNodes[4], centrNode );
newElem2 = aMesh->AddFace(aNodes[3], aNodes[1], aNodes[2],
newN, aNodes[5], aNodes[6] );
centrNode, aNodes[5], aNodes[6] );
}
myLastCreatedElems.Append(newElem1);
myLastCreatedElems.Append(newElem2);