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0020526: [CEA] Disk meshing fails

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care of orientation of a sole edge in a wire
This commit is contained in:
eap 2009-10-08 13:57:42 +00:00
parent d5f1f4ce3a
commit ef83ddd3eb
1 changed files with 16 additions and 2 deletions
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18
src/NETGENPlugin/NETGENPlugin_NETGEN_2D_ONLY.cxx
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@ -39,6 +39,7 @@
#include "StdMeshers_LengthFromEdges.hxx" #include "StdMeshers_LengthFromEdges.hxx"
#include "StdMeshers_QuadranglePreference.hxx" #include "StdMeshers_QuadranglePreference.hxx"
#include <Precision.hxx>
#include <Standard_ErrorHandler.hxx> #include <Standard_ErrorHandler.hxx>
#include <Standard_Failure.hxx> #include <Standard_Failure.hxx>
@ -78,7 +79,7 @@ NETGENPlugin_NETGEN_2D_ONLY::NETGENPlugin_NETGEN_2D_ONLY(int hypId, int studyId,
{ {
MESSAGE("NETGENPlugin_NETGEN_2D_ONLY::NETGENPlugin_NETGEN_2D_ONLY"); MESSAGE("NETGENPlugin_NETGEN_2D_ONLY::NETGENPlugin_NETGEN_2D_ONLY");
_name = "NETGEN_2D_ONLY"; _name = "NETGEN_2D_ONLY";
_shapeType = (1 << TopAbs_FACE);// 1 bit /shape type _shapeType = (1 << TopAbs_FACE);// 1 bit /shape type
_compatibleHypothesis.push_back("MaxElementArea"); _compatibleHypothesis.push_back("MaxElementArea");
@ -205,6 +206,10 @@ static TError AddSegmentsToMesh(netgen::Mesh& ngMesh,
StdMeshers_FaceSidePtr wire = wires[ iW ]; StdMeshers_FaceSidePtr wire = wires[ iW ];
const vector<UVPtStruct>& uvPtVec = wire->GetUVPtStruct(); const vector<UVPtStruct>& uvPtVec = wire->GetUVPtStruct();
bool reverse = // 20526: [CEA] Disk meshing fails
( wire->NbEdges() == 1 &&
geom.emap(geom.emap.FindIndex(wire->Edge(0))).Orientation() == TopAbs_REVERSED );
int firstPointID = ngMesh.GetNP() + 1; int firstPointID = ngMesh.GetNP() + 1;
int edgeID = 1, posID = -2; int edgeID = 1, posID = -2;
for ( int i = 0; i < wire->NbSegments(); ++i ) // loop on segments for ( int i = 0; i < wire->NbSegments(); ++i ) // loop on segments
@ -255,6 +260,14 @@ static TError AddSegmentsToMesh(netgen::Mesh& ngMesh,
} }
seg.epgeominfo[ iEnd ].edgenr = edgeID; // = geom.emap.FindIndex(edge); seg.epgeominfo[ iEnd ].edgenr = edgeID; // = geom.emap.FindIndex(edge);
} }
// 20526: [CEA] Disk meshing fails
if (reverse)
{
swap (seg.p1, seg.p2);
swap (seg.epgeominfo[0].dist, seg.epgeominfo[1].dist);
swap (seg.epgeominfo[0].u, seg.epgeominfo[1].u);
swap (seg.epgeominfo[0].v, seg.epgeominfo[1].v);
}
ngMesh.AddSegment (seg); ngMesh.AddSegment (seg);
@ -364,7 +377,7 @@ bool NETGENPlugin_NETGEN_2D_ONLY::Compute(SMESH_Mesh& aMesh,
// Generate surface mesh // Generate surface mesh
// ------------------------- // -------------------------
char *optstr; char *optstr = 0;
int startWith = MESHCONST_MESHSURFACE; int startWith = MESHCONST_MESHSURFACE;
int endWith = MESHCONST_OPTSURFACE; int endWith = MESHCONST_OPTSURFACE;
int err = 1; int err = 1;
@ -442,3 +455,4 @@ bool NETGENPlugin_NETGEN_2D_ONLY::Compute(SMESH_Mesh& aMesh,
return !err; return !err;
} }