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Fix negative volume of valid but small polyhedron

Browse Source 
https://salome-platform.org/forum/forum_10/547695356
This commit is contained in:
eap 2020-02-17 21:34:19 +03:00
parent 0fe03353fe
commit 48d9b5a07c
2 changed files with 14 additions and 3 deletions
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15
src/SMDS/SMDS_VolumeTool.cxx
View File

@ -706,11 +706,22 @@ double SMDS_VolumeTool::GetSize() const
if ( !myPolyedre )
return 0.;
SaveFacet savedFacet( myCurFace );
// get an origin not lying in plane of any facet
int faceIndex = std::max( myCurFace.myIndex, 0 );
setFace( faceIndex );
double minProj, maxProj;
XYZ normal, origin;
projectNodesToNormal( faceIndex, minProj, maxProj, normal.data());
GetFaceBaryCenter( faceIndex, origin.x, origin.y, origin.z );
origin.x += normal.x * ( maxProj - minProj ) * 1e-1;
origin.y += normal.y * ( maxProj - minProj ) * 1e-2;
origin.z += normal.z * ( maxProj - minProj ) * 1e-3;
// split a polyhedron into tetrahedrons
SaveFacet savedFacet( myCurFace );
SMDS_VolumeTool* me = const_cast< SMDS_VolumeTool* > ( this );
XYZ origin( 1 + 1e-6, 22 + 2e-6, 333 + 3e-6 ); // for invalid poly: avoid lying on a facet plane
for ( int f = 0; f < NbFaces(); ++f )
{
me->setFace( f );

2
src/SMESH_I/SMESH_PythonDump.cxx
View File

@ -696,7 +696,7 @@ namespace SMESH
//function : DumpPython
//purpose :
//=======================================================================
Engines::TMPFile* SMESH_Gen_i::DumpPython (CORBA::Boolean isPublished,
Engines::TMPFile* SMESH_Gen_i::DumpPython( CORBA::Boolean isPublished,
CORBA::Boolean isMultiFile,
CORBA::Boolean& isValidScript)
{