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PAL13330( When mesh generation does not success, trace where )

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describe problems using SMESH_ComputeError
This commit is contained in:
eap 2007-04-10 14:55:55 +00:00
parent 2c929246f6
commit 861e381989
8 changed files with 103 additions and 200 deletions
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99
src/NETGENPlugin/NETGENPlugin_Mesher.cxx
View File

@ -30,6 +30,9 @@ using namespace std;
#include "NETGENPlugin_Mesher.hxx"
#include "NETGENPlugin_Hypothesis_2D.hxx"
#include <SMESH_Mesh.hxx>
#include <SMESH_Comment.hxx>
#include <SMESH_subMesh.hxx>
#include <SMESHDS_Mesh.hxx>
#include <SMDS_MeshElement.hxx>
#include <SMDS_MeshNode.hxx>
@ -62,10 +65,10 @@ namespace netgen {
*/
//=============================================================================
NETGENPlugin_Mesher::NETGENPlugin_Mesher (SMESHDS_Mesh* meshDS,
NETGENPlugin_Mesher::NETGENPlugin_Mesher (SMESH_Mesh* mesh,
const TopoDS_Shape& aShape,
const bool isVolume)
: _meshDS (meshDS),
: _mesh (mesh),
_shape (aShape),
_isVolume(isVolume),
_optimize(true)
@ -156,6 +159,7 @@ bool NETGENPlugin_Mesher::Compute()
" second order = " << netgen::mparam.secondorder << "\n"
" quad allowed = " << netgen::mparam.quad);
SMESH_ComputeErrorPtr error = SMESH_ComputeError::New();
nglib::Ng_Init();
// -------------------------
@ -193,14 +197,17 @@ bool NETGENPlugin_Mesher::Compute()
char *optstr;
int err = 0;
SMESH_Comment comment;
try
{
err = netgen::OCCGenerateMesh(occgeo, ngMesh, startWith, endWith, optstr);
if (err) comment << "Error in netgen::OCCGenerateMesh()";
if (!err && !_optimize)
{
// we have got surface mesh only, so generate volume mesh
startWith = endWith = netgen::MESHCONST_MESHVOLUME;
err = netgen::OCCGenerateMesh(occgeo, ngMesh, startWith, endWith, optstr);
if (err) comment << "Error in netgen::OCCGenerateMesh()";
}
if (!err && netgen::mparam.secondorder > 0)
{
@ -210,8 +217,8 @@ bool NETGENPlugin_Mesher::Compute()
}
catch (netgen::NgException exc)
{
MESSAGE ("Exception in NETGEN: " << exc.What());
err = 1;
error->myName = err = COMPERR_ALGO_FAILED;
comment << exc.What();
}
int nbNod = ngMesh->GetNP();
@ -229,8 +236,9 @@ bool NETGENPlugin_Mesher::Compute()
// Feed back the SMESHDS with the generated Nodes and Elements
// -----------------------------------------------------------
SMESHDS_Mesh* meshDS = _mesh->GetMeshDS();
bool isOK = ( !err && (_isVolume ? (nbVol > 0) : (nbFac > 0)) );
if ( isOK )
if ( true /*isOK*/ ) // get whatever built
{
// vector of nodes in which node index == netgen ID
vector< SMDS_MeshNode* > nodeVec ( nbNod + 1 );
@ -238,7 +246,7 @@ bool NETGENPlugin_Mesher::Compute()
NCollection_Map<int> pindMap;
// create and insert nodes into nodeVec
int i;
for (i = 1; i <= nbNod && isOK; ++i )
for (i = 1; i <= nbNod /*&& isOK*/; ++i )
{
const netgen::MeshPoint& ngPoint = ngMesh->Point(i);
SMDS_MeshNode* node = NULL;
@ -248,7 +256,7 @@ bool NETGENPlugin_Mesher::Compute()
{
// point on vertex
aVert = TopoDS::Vertex(occgeo.vmap(i));
SMESHDS_SubMesh * submesh = _meshDS->MeshElements(aVert);
SMESHDS_SubMesh * submesh = meshDS->MeshElements(aVert);
if (submesh)
{
SMDS_NodeIteratorPtr it = submesh->GetNodes();
@ -262,25 +270,26 @@ bool NETGENPlugin_Mesher::Compute()
newNodeOnVertex = true;
}
if (!node)
node = _meshDS->AddNode(ngPoint.X(), ngPoint.Y(), ngPoint.Z());
node = meshDS->AddNode(ngPoint.X(), ngPoint.Y(), ngPoint.Z());
if (!node)
{
MESSAGE("Cannot create a mesh node");
isOK = false;
if ( !comment.size() ) comment << "Cannot create a mesh node";
nbSeg = nbFac = nbVol = isOK = 0;
break;
}
nodeVec.at(i) = node;
if (newNodeOnVertex)
{
// point on vertex
_meshDS->SetNodeOnVertex(node, aVert);
meshDS->SetNodeOnVertex(node, aVert);
pindMap.Add(i);
}
}
// create mesh segments along geometric edges
NCollection_Map<Link> linkMap;
for (i = 1; i <= nbSeg && isOK; ++i )
for (i = 1; i <= nbSeg/* && isOK*/; ++i )
{
const netgen::Segment& seg = ngMesh->LineSegment(i);
Link link(seg.p1, seg.p2);
@ -314,28 +323,29 @@ bool NETGENPlugin_Mesher::Compute()
continue;
if (!aEdge.IsNull())
{
_meshDS->SetNodeOnEdge(nodeVec.at(pind), aEdge, param);
meshDS->SetNodeOnEdge(nodeVec.at(pind), aEdge, param);
pindMap.Add(pind);
}
}
SMDS_MeshEdge* edge;
if (nbp < 3) // second order ?
edge = _meshDS->AddEdge(nodeVec.at(pinds[0]), nodeVec.at(pinds[1]));
edge = meshDS->AddEdge(nodeVec.at(pinds[0]), nodeVec.at(pinds[1]));
else
edge = _meshDS->AddEdge(nodeVec.at(pinds[0]), nodeVec.at(pinds[1]),
edge = meshDS->AddEdge(nodeVec.at(pinds[0]), nodeVec.at(pinds[1]),
nodeVec.at(pinds[2]));
if (!edge)
{
if ( !comment.size() ) comment << "Cannot create a mesh edge";
MESSAGE("Cannot create a mesh edge");
isOK = false;
nbSeg = nbFac = nbVol = isOK = 0;
break;
}
if (!aEdge.IsNull())
_meshDS->SetMeshElementOnShape(edge, aEdge);
meshDS->SetMeshElementOnShape(edge, aEdge);
}
// create mesh faces along geometric faces
for (i = 1; i <= nbFac && isOK; ++i )
for (i = 1; i <= nbFac/* && isOK*/; ++i )
{
const netgen::Element2d& elem = ngMesh->SurfaceElement(i);
int aGeomFaceInd = elem.GetIndex();
@ -353,7 +363,7 @@ bool NETGENPlugin_Mesher::Compute()
if (!aFace.IsNull())
{
const netgen::PointGeomInfo& pgi = elem.GeomInfoPi(j);
_meshDS->SetNodeOnFace(node, aFace, pgi.u, pgi.v);
meshDS->SetNodeOnFace(node, aFace, pgi.u, pgi.v);
pindMap.Add(pind);
}
}
@ -361,16 +371,16 @@ bool NETGENPlugin_Mesher::Compute()
switch (elem.GetType())
{
case netgen::TRIG:
face = _meshDS->AddFace(nodes[0],nodes[1],nodes[2]);
face = meshDS->AddFace(nodes[0],nodes[1],nodes[2]);
break;
case netgen::QUAD:
face = _meshDS->AddFace(nodes[0],nodes[1],nodes[2],nodes[3]);
face = meshDS->AddFace(nodes[0],nodes[1],nodes[2],nodes[3]);
break;
case netgen::TRIG6:
face = _meshDS->AddFace(nodes[0],nodes[1],nodes[2],nodes[5],nodes[3],nodes[4]);
face = meshDS->AddFace(nodes[0],nodes[1],nodes[2],nodes[5],nodes[3],nodes[4]);
break;
case netgen::QUAD8:
face = _meshDS->AddFace(nodes[0],nodes[1],nodes[2],nodes[3],
face = meshDS->AddFace(nodes[0],nodes[1],nodes[2],nodes[3],
nodes[4],nodes[7],nodes[5],nodes[6]);
break;
default:
@ -379,16 +389,17 @@ bool NETGENPlugin_Mesher::Compute()
}
if (!face)
{
if ( !comment.size() ) comment << "Cannot create a mesh face";
MESSAGE("Cannot create a mesh face");
isOK = false;
nbSeg = nbFac = nbVol = isOK = 0;
break;
}
if (!aFace.IsNull())
_meshDS->SetMeshElementOnShape(face, aFace);
meshDS->SetMeshElementOnShape(face, aFace);
}
// create tetrahedra
for (i = 1; i <= nbVol && isOK; ++i)
for (i = 1; i <= nbVol/* && isOK*/; ++i)
{
const netgen::Element& elem = ngMesh->VolumeElement(i);
int aSolidInd = elem.GetIndex();
@ -406,7 +417,7 @@ bool NETGENPlugin_Mesher::Compute()
if (!aSolid.IsNull())
{
// point in solid
_meshDS->SetNodeInVolume(node, aSolid);
meshDS->SetNodeInVolume(node, aSolid);
pindMap.Add(pind);
}
}
@ -414,11 +425,11 @@ bool NETGENPlugin_Mesher::Compute()
switch (elem.GetType())
{
case netgen::TET:
vol = _meshDS->AddVolume(nodes[0],nodes[1],nodes[2],nodes[3]);
vol = meshDS->AddVolume(nodes[0],nodes[1],nodes[2],nodes[3]);
break;
case netgen::TET10:
vol = _meshDS->AddVolume(nodes[0],nodes[1],nodes[2],nodes[3],
nodes[4],nodes[7],nodes[5],nodes[6],nodes[8],nodes[9]);
vol = meshDS->AddVolume(nodes[0],nodes[1],nodes[2],nodes[3],
nodes[4],nodes[7],nodes[5],nodes[6],nodes[8],nodes[9]);
break;
default:
MESSAGE("NETGEN created a volume of unexpected type, ignoring");
@ -426,17 +437,41 @@ bool NETGENPlugin_Mesher::Compute()
}
if (!vol)
{
if ( !comment.size() ) comment << "Cannot create a mesh volume";
MESSAGE("Cannot create a mesh volume");
isOK = false;
nbSeg = nbFac = nbVol = isOK = 0;
break;
}
if (!aSolid.IsNull())
_meshDS->SetMeshElementOnShape(vol, aSolid);
meshDS->SetMeshElementOnShape(vol, aSolid);
}
}
if ( error->IsOK() && ( !isOK || comment.size() > 0 ))
error->myName = COMPERR_ALGO_FAILED;
if ( !comment.empty() )
error->myComment = comment;
// set bad compute error to subshapes of all failed subshapes shapes
if ( !error->IsOK() && err )
{
for (int i = 1; i <= occgeo.fmap.Extent(); i++) {
int status = occgeo.facemeshstatus[i-1];
if (status == 1 ) continue;
if ( SMESH_subMesh* sm = _mesh->GetSubMeshContaining( occgeo.fmap( i ))) {
SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
if ( !smError || smError->IsOK() ) {
if ( status == -1 )
smError.reset( new SMESH_ComputeError( error->myName, error->myComment ));
else
smError.reset( new SMESH_ComputeError( COMPERR_ALGO_FAILED, "Ignored" ));
}
}
}
}
nglib::Ng_DeleteMesh((nglib::Ng_Mesh*)ngMesh);
nglib::Ng_Exit();
return isOK;
return error->IsOK();
}

7
src/NETGENPlugin/NETGENPlugin_Mesher.hxx
View File

@ -29,6 +29,9 @@
#ifndef _NETGENPlugin_Mesher_HXX_
#define _NETGENPlugin_Mesher_HXX_
#include "SMESH_ComputeError.hxx"
class SMESH_Mesh;
class SMESHDS_Mesh;
class TopoDS_Shape;
class NETGENPlugin_Hypothesis;
@ -42,7 +45,7 @@ class NETGENPlugin_Mesher
public:
// ---------- PUBLIC METHODS ----------
NETGENPlugin_Mesher (SMESHDS_Mesh* meshDS, const TopoDS_Shape& aShape,
NETGENPlugin_Mesher (SMESH_Mesh* mesh, const TopoDS_Shape& aShape,
const bool isVolume);
void SetParameters(const NETGENPlugin_Hypothesis* hyp);
@ -50,7 +53,7 @@ class NETGENPlugin_Mesher
bool Compute();
private:
SMESHDS_Mesh* _meshDS;
SMESH_Mesh* _mesh;
const TopoDS_Shape& _shape;
bool _isVolume;
bool _optimize;

49
src/NETGENPlugin/NETGENPlugin_NETGEN_2D.cxx
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@ -119,53 +119,10 @@ bool NETGENPlugin_NETGEN_2D::CheckHypothesis
bool NETGENPlugin_NETGEN_2D::Compute(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape)
{
SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
//SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
NETGENPlugin_Mesher mesher(meshDS, aShape, false);
NETGENPlugin_Mesher mesher(&aMesh, aShape, false);
// NETGENPlugin_Mesher mesher(meshDS, aShape, false);
mesher.SetParameters(_hypothesis);
return mesher.Compute();
}
//=============================================================================
/*!
*
*/
//=============================================================================
ostream & NETGENPlugin_NETGEN_2D::SaveTo(ostream & save)
{
return save;
}
//=============================================================================
/*!
*
*/
//=============================================================================
istream & NETGENPlugin_NETGEN_2D::LoadFrom(istream & load)
{
return load;
}
//=============================================================================
/*!
*
*/
//=============================================================================
ostream & operator << (ostream & save, NETGENPlugin_NETGEN_2D & hyp)
{
return hyp.SaveTo( save );
}
//=============================================================================
/*!
*
*/
//=============================================================================
istream & operator >> (istream & load, NETGENPlugin_NETGEN_2D & hyp)
{
return hyp.LoadFrom( load );
}

5
src/NETGENPlugin/NETGENPlugin_NETGEN_2D.hxx
View File

@ -49,11 +49,6 @@ public:
virtual bool Compute(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape);
ostream & SaveTo(ostream & save);
istream & LoadFrom(istream & load);
friend ostream & operator << (ostream & save, NETGENPlugin_NETGEN_2D & hyp);
friend istream & operator >> (istream & load, NETGENPlugin_NETGEN_2D & hyp);
protected:
const NETGENPlugin_Hypothesis_2D* _hypothesis;
};

49
src/NETGENPlugin/NETGENPlugin_NETGEN_2D3D.cxx
View File

@ -121,53 +121,10 @@ bool NETGENPlugin_NETGEN_2D3D::CheckHypothesis
bool NETGENPlugin_NETGEN_2D3D::Compute(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape)
{
SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
// SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
NETGENPlugin_Mesher mesher(meshDS, aShape, true);
NETGENPlugin_Mesher mesher(&aMesh, aShape, true);
// NETGENPlugin_Mesher mesher(meshDS, aShape, true);
mesher.SetParameters(_hypothesis);
return mesher.Compute();
}
//=============================================================================
/*!
*
*/
//=============================================================================
ostream & NETGENPlugin_NETGEN_2D3D::SaveTo(ostream & save)
{
return save;
}
//=============================================================================
/*!
*
*/
//=============================================================================
istream & NETGENPlugin_NETGEN_2D3D::LoadFrom(istream & load)
{
return load;
}
//=============================================================================
/*!
*
*/
//=============================================================================
ostream & operator << (ostream & save, NETGENPlugin_NETGEN_2D3D & hyp)
{
return hyp.SaveTo( save );
}
//=============================================================================
/*!
*
*/
//=============================================================================
istream & operator >> (istream & load, NETGENPlugin_NETGEN_2D3D & hyp)
{
return hyp.LoadFrom( load );
}

5
src/NETGENPlugin/NETGENPlugin_NETGEN_2D3D.hxx
View File

@ -49,11 +49,6 @@ public:
virtual bool Compute(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape);
ostream & SaveTo(ostream & save);
istream & LoadFrom(istream & load);
friend ostream & operator << (ostream & save, NETGENPlugin_NETGEN_2D3D & hyp);
friend istream & operator >> (istream & load, NETGENPlugin_NETGEN_2D3D & hyp);
protected:
const NETGENPlugin_Hypothesis* _hypothesis;
};

84
src/NETGENPlugin/NETGENPlugin_NETGEN_3D.cxx
View File

@ -30,12 +30,13 @@ using namespace std;
#include "NETGENPlugin_NETGEN_3D.hxx"
#include "SMESH_Gen.hxx"
#include "SMESH_Mesh.hxx"
#include "SMESH_ControlsDef.hxx"
#include "SMESHDS_Mesh.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
#include "SMESHDS_Mesh.hxx"
#include "SMESH_Comment.hxx"
#include "SMESH_ControlsDef.hxx"
#include "SMESH_Gen.hxx"
#include "SMESH_Mesh.hxx"
#include "SMESH_MesherHelper.hxx"
#include <BRep_Tool.hxx>
@ -160,7 +161,8 @@ bool NETGENPlugin_NETGEN_3D::Compute(SMESH_Mesh& aMesh,
// get triangles on aShell and make a map of nodes to Netgen node IDs
// -------------------------------------------------------------------
SMESH_MesherHelper* myTool = new SMESH_MesherHelper(aMesh);
SMESH_MesherHelper helper(aMesh);
SMESH_MesherHelper* myTool = &helper;
bool _quadraticMesh = myTool->IsQuadraticSubMesh(aShape);
typedef map< const SMDS_MeshNode*, int> TNodeToIDMap;
@ -187,12 +189,12 @@ bool NETGENPlugin_NETGEN_3D::Compute(SMESH_Mesh& aMesh,
{
// check element
const SMDS_MeshElement* elem = iteratorElem->next();
if ( !elem ||
!( elem->NbNodes()==3 || ( _quadraticMesh && elem->NbNodes()==6) ) ) {
INFOS( "NETGENPlugin_NETGEN_3D::Compute(), bad mesh");
delete myTool; myTool = 0;
return false;
}
if ( !elem )
return error( COMPERR_BAD_INPUT_MESH, "Null element encounters");
bool isTraingle = ( elem->NbNodes()==3 || (_quadraticMesh && elem->NbNodes()==6 ));
if ( !isTraingle )
return error( COMPERR_BAD_INPUT_MESH,
SMESH_Comment("Not triangle element ")<<elem->GetID());
// keep a triangle
triangles.push_back( elem );
isReversed.push_back( isRev );
@ -316,8 +318,18 @@ bool NETGENPlugin_NETGEN_3D::Compute(SMESH_Mesh& aMesh,
}
catch (...) {
MESSAGE("An exception has been caught during the Volume Mesh Generation ...");
error(dfltErr(), "Exception in Ng_GenerateVolumeMesh()");
status = NG_VOLUME_FAILURE;
}
if ( GetComputeError()->IsOK() ) {
switch ( status ) {
case NG_SURFACE_INPUT_ERROR:error( status, "NG_SURFACE_INPUT_ERROR");
case NG_VOLUME_FAILURE: error( status, "NG_VOLUME_FAILURE");
case NG_STL_INPUT_ERROR: error( status, "NG_STL_INPUT_ERROR");
case NG_SURFACE_FAILURE: error( status, "NG_SURFACE_FAILURE");
case NG_FILE_NOT_FOUND: error( status, "NG_FILE_NOT_FOUND");
};
}
int Netgen_NbOfNodesNew = Ng_GetNP(Netgen_mesh);
@ -331,7 +343,7 @@ bool NETGENPlugin_NETGEN_3D::Compute(SMESH_Mesh& aMesh,
// Feed back the SMESHDS with the generated Nodes and Volume Elements
// -------------------------------------------------------------------
bool isOK = ( status == NG_OK && Netgen_NbOfTetra > 0 );
bool isOK = ( /*status == NG_OK &&*/ Netgen_NbOfTetra > 0 );// get whatever built
if ( isOK )
{
// vector of nodes in which node index == netgen ID
@ -368,51 +380,5 @@ bool NETGENPlugin_NETGEN_3D::Compute(SMESH_Mesh& aMesh,
Ng_DeleteMesh(Netgen_mesh);
Ng_Exit();
delete myTool; myTool = 0;
return isOK;
}
//=============================================================================
/*!
*
*/
//=============================================================================
ostream & NETGENPlugin_NETGEN_3D::SaveTo(ostream & save)
{
return save;
}
//=============================================================================
/*!
*
*/
//=============================================================================
istream & NETGENPlugin_NETGEN_3D::LoadFrom(istream & load)
{
return load;
}
//=============================================================================
/*!
*
*/
//=============================================================================
ostream & operator << (ostream & save, NETGENPlugin_NETGEN_3D & hyp)
{
return hyp.SaveTo( save );
}
//=============================================================================
/*!
*
*/
//=============================================================================
istream & operator >> (istream & load, NETGENPlugin_NETGEN_3D & hyp)
{
return hyp.LoadFrom( load );
return (status == NG_OK);
}

5
src/NETGENPlugin/NETGENPlugin_NETGEN_3D.hxx
View File

@ -48,11 +48,6 @@ public:
virtual bool Compute(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape);
ostream & SaveTo(ostream & save);
istream & LoadFrom(istream & load);
friend ostream & operator << (ostream & save, NETGENPlugin_NETGEN_3D & hyp);
friend istream & operator >> (istream & load, NETGENPlugin_NETGEN_3D & hyp);
protected:
double _maxElementVolume;