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PAL7913. Fix for the case where different 1d hypotheses are used on opposite edges

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eap 2005-02-01 08:00:03 +00:00
parent db3bd69341
commit 8cc5e7af94
2 changed files with 592 additions and 108 deletions
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641
src/StdMeshers/StdMeshers_Penta_3D.cxx
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@ -29,12 +29,14 @@
#include "utilities.h" #include "utilities.h"
#include "Utils_ExceptHandlers.hxx" #include "Utils_ExceptHandlers.hxx"
#include "SMDS_EdgePosition.hxx"
#include "SMDS_MeshElement.hxx" #include "SMDS_MeshElement.hxx"
#include "SMDS_VolumeOfNodes.hxx" #include "SMDS_VolumeOfNodes.hxx"
#include "SMDS_VolumeTool.hxx" #include "SMDS_VolumeTool.hxx"
#include "SMESHDS_SubMesh.hxx" #include "SMESHDS_SubMesh.hxx"
#include "SMESH_Mesh.hxx" #include "SMESH_Mesh.hxx"
#include "SMESH_subMesh.hxx" #include "SMESH_subMesh.hxx"
#include "SMESH_MeshEditor.hxx"
#include <BRep_Tool.hxx> #include <BRep_Tool.hxx>
#include <TopAbs_ShapeEnum.hxx> #include <TopAbs_ShapeEnum.hxx>
@ -70,6 +72,8 @@ StdMeshers_Penta_3D::StdMeshers_Penta_3D()
: myErrorStatus(1) : myErrorStatus(1)
{ {
myTol3D=0.1; myTol3D=0.1;
myWallNodesMaps.resize( SMESH_Block::NbFaces() );
myShapeXYZ.resize( SMESH_Block::NbSubShapes() );
} }
//======================================================================= //=======================================================================
//function : Compute //function : Compute
@ -78,6 +82,8 @@ StdMeshers_Penta_3D::StdMeshers_Penta_3D()
bool StdMeshers_Penta_3D::Compute(SMESH_Mesh& aMesh, bool StdMeshers_Penta_3D::Compute(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape) const TopoDS_Shape& aShape)
{ {
MESSAGE("StdMeshers_Penta_3D::Compute()");
//
myErrorStatus=0; myErrorStatus=0;
// //
bool bOK=false; bool bOK=false;
@ -185,40 +191,25 @@ void StdMeshers_Penta_3D::MakeNodes()
aTNode.SetShapeSupportID(aSID); aTNode.SetShapeSupportID(aSID);
aTNode.SetBaseNodeID(aNodeID); aTNode.SetBaseNodeID(aNodeID);
// //
switch (aSID){ if ( SMESH_Block::IsEdgeID (aSID))
case SMESH_Block::ID_V000: {
aCoords.SetCoord(0., 0., 0.); const SMDS_EdgePosition* epos =
break; static_cast<const SMDS_EdgePosition*>(aNode->GetPosition().get());
case SMESH_Block::ID_V100: myBlock.ComputeParameters( epos->GetUParameter(), aS, aCoords );
aCoords.SetCoord(1., 0., 0.); }
break; else {
case SMESH_Block::ID_V110: aX=aNode->X();
aCoords.SetCoord(1., 1., 0.); aY=aNode->Y();
break; aZ=aNode->Z();
case SMESH_Block::ID_V010: aP3D.SetCoord(aX, aY, aZ);
aCoords.SetCoord(0., 1., 0.); myBlock.ComputeParameters(aP3D, aS, aCoords);
break; }
case SMESH_Block::ID_Ex00: iErr=myBlock.ErrorStatus();
case SMESH_Block::ID_E1y0: if (iErr) {
case SMESH_Block::ID_Ex10: MESSAGE("StdMeshers_Penta_3D::MakeNodes()," <<
case SMESH_Block::ID_E0y0: "SMESHBlock: ComputeParameters operation failed");
case SMESH_Block::ID_Fxy0:{ myErrorStatus=101; // SMESHBlock: ComputeParameters operation failed
aX=aNode->X(); return;
aY=aNode->Y();
aZ=aNode->Z();
aP3D.SetCoord(aX, aY, aZ);
myBlock.ComputeParameters(aP3D, aS, aCoords);
iErr=myBlock.ErrorStatus();
if (iErr) {
MESSAGE("StdMeshers_Penta_3D::MakeNodes()," <<
"SMESHBlock: ComputeParameters operation failed");
myErrorStatus=101; // SMESHBlock: ComputeParameters operation failed
return;
}
}
break;
default:
break;
} }
aTNode.SetNormCoord(aCoords); aTNode.SetNormCoord(aCoords);
ij=i*myJSize+j; ij=i*myJSize+j;
@ -248,37 +239,37 @@ void StdMeshers_Penta_3D::MakeNodes()
//return; //zz //return; //zz
// //
// 3. Finding of Z-layers // 3. Finding of Z-layers
vector<double> aZL(myISize); // vector<double> aZL(myISize);
vector<double>::iterator aItZL1, aItZL2 ; // vector<double>::iterator aItZL1, aItZL2 ;
// // //
const TopoDS_Shape& aE00z=myBlock.Shape(SMESH_Block::ID_E00z); // const TopoDS_Shape& aE00z=myBlock.Shape(SMESH_Block::ID_E00z);
SMDS_NodeIteratorPtr aItaE00z = // SMDS_NodeIteratorPtr aItaE00z =
pMesh->GetSubMeshContaining(aE00z)->GetSubMeshDS()->GetNodes(); // pMesh->GetSubMeshContaining(aE00z)->GetSubMeshDS()->GetNodes();
// // //
aZL[0]=0.; // aZL[0]=0.;
i=1; // i=1;
while (aItaE00z->more()) { // while (aItaE00z->more()) {
const SMDS_MeshNode* aNode=aItaE00z->next(); // const SMDS_MeshNode* aNode=aItaE00z->next();
aX=aNode->X(); aY=aNode->Y(); aZ=aNode->Z(); // const SMDS_EdgePosition* epos =
aP3D.SetCoord(aX, aY, aZ); // static_cast<const SMDS_EdgePosition*>(aNode->GetPosition().get());
myBlock.ComputeParameters(aP3D, aE00z, aCoords); // myBlock.ComputeParameters( epos->GetUParameter(), aE00z, aCoords );
iErr=myBlock.ErrorStatus(); // iErr=myBlock.ErrorStatus();
if (iErr) { // if (iErr) {
MESSAGE("StdMeshers_Penta_3D::MakeNodes()," << // MESSAGE("StdMeshers_Penta_3D::MakeNodes()," <<
"SMESHBlock: ComputeParameters operation failed"); // "SMESHBlock: ComputeParameters operation failed");
myErrorStatus=101; // SMESHBlock: ComputeParameters operation failed // myErrorStatus=101; // SMESHBlock: ComputeParameters operation failed
return; // return;
} // }
aZL[i]=aCoords.Z(); // aZL[i]=aCoords.Z();
++i; // ++i;
} // }
aZL[i]=1.; // aZL[i]=1.;
// // //
aItZL1=aZL.begin(); // aItZL1=aZL.begin();
aItZL2=aZL.end(); // aItZL2=aZL.end();
// // //
// Sorting the layers // // Sorting the layers
sort(aItZL1, aItZL2); // sort(aItZL1, aItZL2);
//DEB //DEB
/* /*
printf("** \n\n Layers begin\n"); printf("** \n\n Layers begin\n");
@ -290,29 +281,122 @@ void StdMeshers_Penta_3D::MakeNodes()
//DEB //DEB
// //
// //
// 3.1 Fill maps of wall nodes
SMESH_Block::TShapeID wallFaceID[4] = {
SMESH_Block::ID_Fx0z, SMESH_Block::ID_Fx1z,
SMESH_Block::ID_F0yz, SMESH_Block::ID_F1yz
};
SMESH_Block::TShapeID baseEdgeID[4] = {
SMESH_Block::ID_Ex00, SMESH_Block::ID_Ex10,
SMESH_Block::ID_E0y0, SMESH_Block::ID_E1y0
};
for ( i = 0; i < 4; ++i ) {
int fIndex = SMESH_Block::ShapeIndex( wallFaceID[ i ]);
bool ok = LoadIJNodes (myWallNodesMaps[ fIndex ],
TopoDS::Face( myBlock.Shape( wallFaceID[ i ] )),
TopoDS::Edge( myBlock.Shape( baseEdgeID[ i ] )),
pMesh->GetMeshDS());
if ( !ok ) {
myErrorStatus = i + 1;
MESSAGE(" Cant LoadIJNodes() from a wall face " << myErrorStatus );
return;
}
}
// 3.2 find node columns for vertical edges and edge IDs
vector<const SMDS_MeshNode*> * verticEdgeNodes[ 4 ];
SMESH_Block::TShapeID verticEdgeID [ 4 ];
for ( i = 0; i < 4; ++i ) { // 4 first base nodes are nodes on vertices
// edge ID
SMESH_Block::TShapeID eID, vID = aSIDs[ i ];
ShapeSupportID(false, vID, eID);
verticEdgeID[ i ] = eID;
// column nodes
StdMeshers_TNode& aTNode = myTNodes[ i ];
verticEdgeNodes[ i ] = 0;
for ( j = 0; j < 4; ++j ) { // loop on 4 wall faces
int fIndex = SMESH_Block::ShapeIndex( wallFaceID[ j ]);
StdMeshers_IJNodeMap & ijNodes= myWallNodesMaps[ fIndex ];
if ( ijNodes.begin()->second[0] == aTNode.Node() )
verticEdgeNodes[ i ] = & ijNodes.begin()->second;
else if ( ijNodes.rbegin()->second[0] == aTNode.Node() )
verticEdgeNodes[ i ] = & ijNodes.rbegin()->second;
if ( verticEdgeNodes[ i ] )
break;
}
}
// 3.3 set XYZ of vertices, and initialize of the rest
SMESHDS_Mesh* aMesh = GetMesh()->GetMeshDS();
for ( int id = SMESH_Block::ID_V000; id < SMESH_Block::ID_Shell; ++id )
{
if ( SMESH_Block::IsVertexID( id )) {
TopoDS_Shape V = myBlock.Shape( id );
SMESHDS_SubMesh* sm = aMesh->MeshElements( V );
const SMDS_MeshNode* n = sm->GetNodes()->next();
myShapeXYZ[ id ].SetCoord( n->X(), n->Y(), n->Z() );
}
else
myShapeXYZ[ id ].SetCoord( 0., 0., 0. );
}
// 4. Fill the rest repers // 4. Fill the rest repers
bool bIsUpperLayer; bool bIsUpperLayer;
int iBNID; int iBNID;
SMESH_Block::TShapeID aSSID, aBNSSID; SMESH_Block::TShapeID aSSID, aBNSSID;
StdMeshers_TNode aTN; StdMeshers_TNode aTN;
// //
for (j=0; j<myJSize; ++j) { for (j=0; j<myJSize; ++j)
for (i=1; i<myISize; ++i) { {
// // base node info
// base node info const StdMeshers_TNode& aBN=myTNodes[j];
const StdMeshers_TNode& aBN=myTNodes[j]; aBNSSID=(SMESH_Block::TShapeID)aBN.ShapeSupportID();
aBNSSID=(SMESH_Block::TShapeID)aBN.ShapeSupportID(); iBNID=aBN.BaseNodeID();
iBNID=aBN.BaseNodeID(); const gp_XYZ& aBNXYZ=aBN.NormCoord();
const gp_XYZ& aBNXYZ=aBN.NormCoord(); bool createNode = ( aBNSSID == SMESH_Block::ID_Fxy0 );
// //
// set XYZ on horizontal edges and get node columns of faces:
// 2 columns for each face, between which a base node is located
vector<const SMDS_MeshNode*>* nColumns[8];
double ratio[4]; // base node position between columns [0.-1.]
if ( createNode )
for ( k = 0; k < 4; ++k )
ratio[ k ] = SetHorizEdgeXYZ (aBNXYZ, wallFaceID[ k ],
nColumns[k*2], nColumns[k*2+1]);
//
// XYZ on the bottom and top faces
const SMDS_MeshNode* n = aBN.Node();
myShapeXYZ[ SMESH_Block::ID_Fxy0 ].SetCoord( n->X(), n->Y(), n->Z() );
myShapeXYZ[ SMESH_Block::ID_Fxy1 ].SetCoord( 0., 0., 0. );
//
// first create or find a top node, then the rest ones in a column
for (i=myISize-1; i>0; --i)
{
if ( createNode ) {
// set XYZ on vertical edges and faces
for ( k = 0; k < 4; ++k ) {
const SMDS_MeshNode* n = (*verticEdgeNodes[ k ]) [ i ];
myShapeXYZ[ verticEdgeID[ k ] ].SetCoord( n->X(), n->Y(), n->Z() );
//
n = (*nColumns[k*2]) [ i ];
gp_XYZ xyz( n->X(), n->Y(), n->Z() );
myShapeXYZ[ wallFaceID[ k ]] = ( 1. - ratio[ k ]) * xyz;
n = (*nColumns[k*2+1]) [ i ];
xyz.SetCoord( n->X(), n->Y(), n->Z() );
myShapeXYZ[ wallFaceID[ k ]] += ratio[ k ] * xyz;
}
}
// fill current node info // fill current node info
// -index in aTNodes // -index in aTNodes
ij=i*myJSize+j; ij=i*myJSize+j;
// -normalized coordinates // -normalized coordinates
aX=aBNXYZ.X(); aX=aBNXYZ.X();
aY=aBNXYZ.Y(); aY=aBNXYZ.Y();
aZ=aZL[i]; //aZ=aZL[i];
aCoords.SetCoord(aX, aY, aZ); aZ=(double)i/(double)(myISize-1);
aCoords.SetCoord(aX, aY, aZ);
// //
// suporting shape ID // suporting shape ID
bIsUpperLayer=(i==(myISize-1)); bIsUpperLayer=(i==(myISize-1));
@ -329,11 +413,16 @@ void StdMeshers_Penta_3D::MakeNodes()
if (aSSID!=SMESH_Block::ID_NONE){ if (aSSID!=SMESH_Block::ID_NONE){
// try to find the node // try to find the node
const TopoDS_Shape& aS=myBlock.Shape((int)aSSID); const TopoDS_Shape& aS=myBlock.Shape((int)aSSID);
FindNodeOnShape(aS, aCoords, aTN); FindNodeOnShape(aS, aCoords, i, aTN);
} }
else{ else{
// create node and get it id // create node and get it id
CreateNode (bIsUpperLayer, aCoords, aTN); CreateNode (bIsUpperLayer, aCoords, aTN);
//
if ( bIsUpperLayer ) {
const SMDS_MeshNode* n = aTN.Node();
myShapeXYZ[ SMESH_Block::ID_Fxy1 ].SetCoord( n->X(), n->Y(), n->Z() );
}
} }
if (myErrorStatus) { if (myErrorStatus) {
MESSAGE("StdMeshers_Penta_3D::MakeNodes() "); MESSAGE("StdMeshers_Penta_3D::MakeNodes() ");
@ -376,8 +465,9 @@ void StdMeshers_Penta_3D::MakeNodes()
//purpose : //purpose :
//======================================================================= //=======================================================================
void StdMeshers_Penta_3D::FindNodeOnShape(const TopoDS_Shape& aS, void StdMeshers_Penta_3D::FindNodeOnShape(const TopoDS_Shape& aS,
const gp_XYZ& aParams, const gp_XYZ& aParams,
StdMeshers_TNode& aTN) const int z,
StdMeshers_TNode& aTN)
{ {
myErrorStatus=0; myErrorStatus=0;
// //
@ -389,6 +479,35 @@ void StdMeshers_Penta_3D::FindNodeOnShape(const TopoDS_Shape& aS,
minD = 1.e100; minD = 1.e100;
SMDS_MeshNode* pNode=NULL; SMDS_MeshNode* pNode=NULL;
// //
if ( aS.ShapeType() == TopAbs_FACE ||
aS.ShapeType() == TopAbs_EDGE )
{
// find a face ID to which aTN belongs to
int faceID;
if ( aS.ShapeType() == TopAbs_FACE )
faceID = myBlock.ShapeID( aS );
else { // edge maybe vertical or top horizontal
gp_XYZ aCoord = aParams;
if ( aCoord.Z() == 1. )
aCoord.SetZ( 0.5 ); // move from top down
else
aCoord.SetX( 0.5 ); // move along X
faceID = SMESH_Block::GetShapeIDByParams( aCoord );
}
ASSERT( SMESH_Block::IsFaceID( faceID ));
int fIndex = SMESH_Block::ShapeIndex( faceID );
StdMeshers_IJNodeMap & ijNodes= myWallNodesMaps[ fIndex ];
// look for a base node in ijNodes
const SMDS_MeshNode* baseNode = pMesh->GetMeshDS()->FindNode( aTN.BaseNodeID() );
StdMeshers_IJNodeMap::const_iterator par_nVec = ijNodes.begin();
for ( ; par_nVec != ijNodes.end(); par_nVec++ )
if ( par_nVec->second[ 0 ] == baseNode ) {
pNode=(SMDS_MeshNode*)par_nVec->second.at( z );
aTN.SetNode(pNode);
return;
}
}
//
myBlock.Point(aParams, aS, aP1); myBlock.Point(aParams, aS, aP1);
// //
SMDS_NodeIteratorPtr ite= SMDS_NodeIteratorPtr ite=
@ -417,6 +536,57 @@ void StdMeshers_Penta_3D::FindNodeOnShape(const TopoDS_Shape& aS,
//myErrorStatus=11; // can not find the node; //myErrorStatus=11; // can not find the node;
} }
//=======================================================================
//function : SetHorizEdgeXYZ
//purpose :
//=======================================================================
double StdMeshers_Penta_3D::SetHorizEdgeXYZ(const gp_XYZ& aBaseNodeParams,
const int aFaceID,
vector<const SMDS_MeshNode*>*& aCol1,
vector<const SMDS_MeshNode*>*& aCol2)
{
// find base and top edges of the face
vector< int > edgeVec; // 0-base, 1-top
SMESH_Block::GetFaceEdgesIDs( aFaceID, edgeVec );
//
int coord = SMESH_Block::GetCoordIndOnEdge( edgeVec[ 0 ] );
double param = aBaseNodeParams.Coord( coord );
if ( !myBlock.IsForwadEdge( edgeVec[ 0 ] ))
param = 1. - param;
//
// look for columns around param
StdMeshers_IJNodeMap & ijNodes =
myWallNodesMaps[ SMESH_Block::ShapeIndex( aFaceID )];
StdMeshers_IJNodeMap::iterator par_nVec_1 = ijNodes.begin();
while ( par_nVec_1->first < param )
par_nVec_1++;
StdMeshers_IJNodeMap::iterator par_nVec_2 = par_nVec_1;
//
double r = 0;
if ( par_nVec_1 != ijNodes.begin() ) {
par_nVec_1--;
r = ( param - par_nVec_1->first ) / ( par_nVec_2->first - par_nVec_1->first );
}
aCol1 = & par_nVec_1->second;
aCol2 = & par_nVec_2->second;
// base edge
const SMDS_MeshNode* n1 = aCol1->front();
const SMDS_MeshNode* n2 = aCol2->front();
gp_XYZ xyz1( n1->X(), n1->Y(), n1->Z() ), xyz2( n2->X(), n2->Y(), n2->Z() );
myShapeXYZ[ edgeVec[ 0 ] ] = ( 1. - r ) * xyz1 + r * xyz2;
// top edge
n1 = aCol1->back();
n2 = aCol2->back();
xyz1.SetCoord( n1->X(), n1->Y(), n1->Z() );
xyz2.SetCoord( n2->X(), n2->Y(), n2->Z() );
myShapeXYZ[ edgeVec[ 1 ] ] = ( 1. - r ) * xyz1 + r * xyz2;
return r;
}
//======================================================================= //=======================================================================
//function : MakeVolumeMesh //function : MakeVolumeMesh
//purpose : //purpose :
@ -711,21 +881,39 @@ void StdMeshers_Penta_3D::CreateNode(const bool bIsUpperLayer,
SMDS_MeshNode* pNode=NULL; SMDS_MeshNode* pNode=NULL;
aTN.SetNode(pNode); aTN.SetNode(pNode);
// //
if (bIsUpperLayer) { // if (bIsUpperLayer) {
// point on face Fxy1 // // point on face Fxy1
const TopoDS_Shape& aS=myBlock.Shape(SMESH_Block::ID_Fxy1); // const TopoDS_Shape& aS=myBlock.Shape(SMESH_Block::ID_Fxy1);
myBlock.Point(aParams, aS, aP); // myBlock.Point(aParams, aS, aP);
// }
// else {
// // point inside solid
// myBlock.Point(aParams, aP);
// }
if (bIsUpperLayer)
{
double u = aParams.X(), v = aParams.Y();
double u1 = ( 1. - u ), v1 = ( 1. - v );
aP.ChangeCoord() = myShapeXYZ[ SMESH_Block::ID_Ex01 ] * v1;
aP.ChangeCoord() += myShapeXYZ[ SMESH_Block::ID_Ex11 ] * v;
aP.ChangeCoord() += myShapeXYZ[ SMESH_Block::ID_E0y1 ] * u1;
aP.ChangeCoord() += myShapeXYZ[ SMESH_Block::ID_E1y1 ] * u;
aP.ChangeCoord() -= myShapeXYZ[ SMESH_Block::ID_V001 ] * u1 * v1;
aP.ChangeCoord() -= myShapeXYZ[ SMESH_Block::ID_V101 ] * u * v1;
aP.ChangeCoord() -= myShapeXYZ[ SMESH_Block::ID_V011 ] * u1 * v;
aP.ChangeCoord() -= myShapeXYZ[ SMESH_Block::ID_V111 ] * u * v;
} }
else { else
// point inside solid {
myBlock.Point(aParams, aP); SMESH_Block::ShellPoint( aParams, myShapeXYZ, aP.ChangeCoord() );
} }
// //
iErr=myBlock.ErrorStatus(); // iErr=myBlock.ErrorStatus();
if (iErr) { // if (iErr) {
myErrorStatus=12; // can not find the node point; // myErrorStatus=12; // can not find the node point;
return; // return;
} // }
// //
aX=aP.X(); aY=aP.Y(); aZ=aP.Z(); aX=aP.X(); aY=aP.Y(); aZ=aP.Z();
// //
@ -951,13 +1139,231 @@ void StdMeshers_Penta_3D::CheckData()
} }
} }
} }
//=======================================================================
//function : LoadIJNodes
//purpose : Load nodes bound to theFace into column (vectors) and rows
// of theIJNodes.
// The value of theIJNodes map is a vector of ordered nodes so
// that the 0-the one lies on theBaseEdge.
// The key of theIJNodes map is a normalized parameter of each
// 0-the node on theBaseEdge.
//=======================================================================
bool StdMeshers_Penta_3D::LoadIJNodes(StdMeshers_IJNodeMap & theIJNodes,
const TopoDS_Face& theFace,
const TopoDS_Edge& theBaseEdge,
SMESHDS_Mesh* theMesh)
{
// get vertices of theBaseEdge
TopoDS_Vertex vfb, vlb, vft; // first and last, bottom and top vertices
TopoDS_Edge eFrw = TopoDS::Edge( theBaseEdge.Oriented( TopAbs_FORWARD ));
TopExp::Vertices( eFrw, vfb, vlb );
// find the other edges of theFace and orientation of e1
TopoDS_Edge e1, e2, eTop;
bool rev1, CumOri = false;
TopExp_Explorer exp( theFace, TopAbs_EDGE );
int nbEdges = 0;
for ( ; exp.More(); exp.Next() )
{
if ( ++nbEdges > 4 )
return false; // more than 4 edges in theFace
TopoDS_Edge e = TopoDS::Edge( exp.Current() );
if ( theBaseEdge.IsSame( e ))
continue;
TopoDS_Vertex vCommon;
if ( !TopExp::CommonVertex( theBaseEdge, e, vCommon ))
eTop = e;
else if ( vCommon.IsSame( vfb )) {
e1 = e;
vft = TopExp::LastVertex( e1, CumOri );
rev1 = vfb.IsSame( vft );
if ( rev1 )
vft = TopExp::FirstVertex( e1, CumOri );
}
else
e2 = e;
}
if ( nbEdges < 4 )
return false; // lass than 4 edges in theFace
// submeshes corresponding to shapes
SMESHDS_SubMesh* smFace = theMesh->MeshElements( theFace );
SMESHDS_SubMesh* smb = theMesh->MeshElements( theBaseEdge );
SMESHDS_SubMesh* smt = theMesh->MeshElements( eTop );
SMESHDS_SubMesh* sm1 = theMesh->MeshElements( e1 );
SMESHDS_SubMesh* sm2 = theMesh->MeshElements( e2 );
SMESHDS_SubMesh* smVfb = theMesh->MeshElements( vfb );
SMESHDS_SubMesh* smVlb = theMesh->MeshElements( vlb );
SMESHDS_SubMesh* smVft = theMesh->MeshElements( vft );
if (!smFace || !smb || !smt || !sm1 || !sm2 || !smVfb || !smVlb || !smVft ) {
MESSAGE( "NULL submesh " <<smFace<<" "<<smb<<" "<<smt<<" "<<
sm1<<" "<<sm2<<" "<<smVfb<<" "<<smVlb<<" "<<smVft);
return false;
}
if ( smb->NbNodes() != smt->NbNodes() || sm1->NbNodes() != sm2->NbNodes() ) {
MESSAGE(" Diff nb of nodes on opposite edges" );
return false;
}
if (smVfb->NbNodes() != 1 || smVlb->NbNodes() != 1 || smVft->NbNodes() != 1) {
MESSAGE("Empty submesh of vertex");
return false;
}
if ( sm1->NbNodes() * smb->NbNodes() != smFace->NbNodes() ) {
MESSAGE( "Wrong nb face nodes: " <<
sm1->NbNodes()<<" "<<smb->NbNodes()<<" "<<smFace->NbNodes());
return false;
}
// IJ size
int vsize = sm1->NbNodes() + 2;
int hsize = smb->NbNodes() + 2;
// load nodes from theBaseEdge
set<const SMDS_MeshNode*> loadedNodes;
const SMDS_MeshNode* nullNode = 0;
vector<const SMDS_MeshNode*> & nVecf = theIJNodes[ 0.];
nVecf.resize( vsize, nullNode );
loadedNodes.insert( nVecf[ 0 ] = smVfb->GetNodes()->next() );
vector<const SMDS_MeshNode*> & nVecl = theIJNodes[ 1.];
nVecl.resize( vsize, nullNode );
loadedNodes.insert( nVecl[ 0 ] = smVlb->GetNodes()->next() );
double f, l;
BRep_Tool::Range( eFrw, f, l );
double range = l - f;
SMDS_NodeIteratorPtr nIt = smb->GetNodes();
const SMDS_MeshNode* node;
while ( nIt->more() )
{
node = nIt->next();
const SMDS_EdgePosition* pos =
dynamic_cast<const SMDS_EdgePosition*>( node->GetPosition().get() );
if ( !pos ) return false;
double u = ( pos->GetUParameter() - f ) / range;
vector<const SMDS_MeshNode*> & nVec = theIJNodes[ u ];
nVec.resize( vsize, nullNode );
loadedNodes.insert( nVec[ 0 ] = node );
}
if ( theIJNodes.size() != hsize ) {
MESSAGE( "Wrong node positions on theBaseEdge" );
return false;
}
// load nodes from e1
map< double, const SMDS_MeshNode*> sortedNodes; // sort by param on edge
nIt = sm1->GetNodes();
while ( nIt->more() )
{
node = nIt->next();
const SMDS_EdgePosition* pos =
dynamic_cast<const SMDS_EdgePosition*>( node->GetPosition().get() );
if ( !pos ) return false;
sortedNodes.insert( make_pair( pos->GetUParameter(), node ));
}
loadedNodes.insert( nVecf[ vsize - 1 ] = smVft->GetNodes()->next() );
map< double, const SMDS_MeshNode*>::iterator u_n = sortedNodes.begin();
int row = rev1 ? vsize - 1 : 0;
for ( ; u_n != sortedNodes.end(); u_n++ )
{
if ( rev1 ) row--;
else row++;
loadedNodes.insert( nVecf[ row ] = u_n->second );
}
// try to load the rest nodes
// get all faces from theFace
set<const SMDS_MeshElement*> allFaces, foundFaces;
SMDS_ElemIteratorPtr eIt = smFace->GetElements();
while ( eIt->more() ) {
const SMDS_MeshElement* e = eIt->next();
if ( e->GetType() == SMDSAbs_Face )
allFaces.insert( e );
}
// Starting from 2 neighbour nodes on theBaseEdge, look for a face
// the nodes belong to, and between the nodes of the found face,
// look for a not loaded node considering this node to be the next
// in a column of the starting second node. Repeat, starting
// from nodes next to the previous starting nodes in their columns,
// and so on while a face can be found. Then go the the next pair
// of nodes on theBaseEdge.
StdMeshers_IJNodeMap::iterator par_nVec_1 = theIJNodes.begin();
StdMeshers_IJNodeMap::iterator par_nVec_2 = par_nVec_1;
// loop on columns
int col = 0;
for ( par_nVec_2++; par_nVec_2 != theIJNodes.end(); par_nVec_1++, par_nVec_2++ )
{
col++;
row = 0;
const SMDS_MeshNode* n1 = par_nVec_1->second[ row ];
const SMDS_MeshNode* n2 = par_nVec_2->second[ row ];
const SMDS_MeshElement* face = 0;
do {
// look for a face by 2 nodes
face = SMESH_MeshEditor::FindFaceInSet( n1, n2, allFaces, foundFaces );
if ( face )
{
int nbFaceNodes = face->NbNodes();
if ( nbFaceNodes > 4 ) {
MESSAGE(" Too many nodes in a face: " << nbFaceNodes );
return false;
}
// look for a not loaded node of the <face>
bool found = false;
const SMDS_MeshNode* n3 = 0; // a node defferent from n1 and n2
eIt = face->nodesIterator() ;
while ( !found && eIt->more() ) {
node = static_cast<const SMDS_MeshNode*>( eIt->next() );
found = loadedNodes.insert( node ).second;
if ( !found && node != n1 && node != n2 )
n3 = node;
}
if ( found ) {
if ( ++row > vsize - 1 ) {
MESSAGE( "Too many nodes in column "<< col <<": "<< row+1);
return false;
}
par_nVec_2->second[ row ] = node;
foundFaces.insert( face );
n2 = node;
if ( nbFaceNodes == 4 )
n1 = par_nVec_1->second[ row ];
}
else if (nbFaceNodes == 3 &&
n3 == par_nVec_1->second[ row ] )
n1 = n3;
else {
MESSAGE( "Not quad mesh, column "<< col );
return false;
}
}
} while ( face && n1 && n2 );
if ( row < vsize - 1 ) {
MESSAGE( "Too few nodes in column "<< col <<": "<< row+1);
MESSAGE( "Base node 1: "<< par_nVec_1->second[0]);
MESSAGE( "Base node 2: "<< par_nVec_2->second[0]);
MESSAGE( "Current node 1: "<< n1);
MESSAGE( "Current node 2: "<< n2);
MESSAGE( "first base node: "<< theIJNodes.begin()->second[0]);
MESSAGE( "last base node: "<< theIJNodes.rbegin()->second[0]);
return false;
}
} // loop on columns
return true;
}
////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////
// //
// StdMeshers_SMESHBlock // StdMeshers_SMESHBlock
// //
// //////////////////////////////////////////////////////////////////////////
#include <TopTools_IndexedMapOfOrientedShape.hxx>
#include <TopoDS_Vertex.hxx>
//======================================================================= //=======================================================================
//function : StdMeshers_SMESHBlock //function : StdMeshers_SMESHBlock
@ -966,7 +1372,27 @@ void StdMeshers_Penta_3D::CheckData()
StdMeshers_SMESHBlock::StdMeshers_SMESHBlock() StdMeshers_SMESHBlock::StdMeshers_SMESHBlock()
{ {
myErrorStatus=1; myErrorStatus=1;
myIsEdgeForward.resize( SMESH_Block::NbEdges(), -1 );
} }
//=======================================================================
//function : IsForwadEdge
//purpose :
//=======================================================================
bool StdMeshers_SMESHBlock::IsForwadEdge(const int theEdgeID)
{
int index = myTBlock.ShapeIndex( theEdgeID );
if ( !myTBlock.IsEdgeID( theEdgeID ))
return false;
if ( myIsEdgeForward[ index ] < 0 )
myIsEdgeForward[ index ] =
myTBlock.IsForwardEdge( TopoDS::Edge( Shape( theEdgeID )), myShapeIDMap );
return myIsEdgeForward[ index ];
}
//======================================================================= //=======================================================================
//function : ErrorStatus //function : ErrorStatus
//purpose : //purpose :
@ -1039,6 +1465,33 @@ void StdMeshers_SMESHBlock::ComputeParameters(const gp_Pnt& thePnt,
return; return;
} }
} }
//=======================================================================
//function : ComputeParameters
//purpose :
//=======================================================================
void StdMeshers_SMESHBlock::ComputeParameters(const double& theU,
const TopoDS_Shape& theShape,
gp_XYZ& theXYZ)
{
myErrorStatus=0;
//
int aID;
bool bOk=false;
//
aID=ShapeID(theShape);
if (myErrorStatus) {
return;
}
if ( SMESH_Block::IsEdgeID( aID ))
bOk=myTBlock.EdgeParameters( aID, theU, theXYZ );
if (!bOk) {
myErrorStatus=4; // problems with computation Parameters
return;
}
}
//======================================================================= //=======================================================================
//function : Point //function : Point
//purpose : //purpose :

59
src/StdMeshers/StdMeshers_Penta_3D.hxx
View File

@ -29,12 +29,11 @@
#include <map> #include <map>
typedef std::map < int, int > StdMeshers_DataMapOfIntegerInteger;
//////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////
// //
// class StdMeshers_SMESHBlock // class StdMeshers_SMESHBlock
// //
////////////////////////////////////////////////////////////////////////
#include <gp_Pnt.hxx> #include <gp_Pnt.hxx>
#include <gp_XYZ.hxx> #include <gp_XYZ.hxx>
#include <TopoDS_Vertex.hxx> #include <TopoDS_Vertex.hxx>
@ -43,6 +42,8 @@ typedef std::map < int, int > StdMeshers_DataMapOfIntegerInteger;
#include "SMESH_Block.hxx" #include "SMESH_Block.hxx"
typedef std::map< double, std::vector<const SMDS_MeshNode*> > StdMeshers_IJNodeMap;
class StdMeshers_SMESHBlock { class StdMeshers_SMESHBlock {
public: public:
@ -62,6 +63,10 @@ public:
const TopoDS_Shape& theShape, const TopoDS_Shape& theShape,
gp_XYZ& theXYZ); gp_XYZ& theXYZ);
void ComputeParameters(const double& theU,
const TopoDS_Shape& theShape,
gp_XYZ& theXYZ);
void Point(const gp_XYZ& theParams, void Point(const gp_XYZ& theParams,
gp_Pnt& thePnt); gp_Pnt& thePnt);
@ -72,8 +77,11 @@ public:
int ShapeID(const TopoDS_Shape& theShape); int ShapeID(const TopoDS_Shape& theShape);
const TopoDS_Shape& Shape(const int theID); const TopoDS_Shape& Shape(const int theID);
SMESH_Block & Block() { return myTBlock; }
bool IsForwadEdge(const int theEdgeID);
int ErrorStatus() const; int ErrorStatus() const;
@ -82,13 +90,16 @@ protected:
TopTools_IndexedMapOfOrientedShape myShapeIDMap; TopTools_IndexedMapOfOrientedShape myShapeIDMap;
SMESH_Block myTBlock; SMESH_Block myTBlock;
TopoDS_Shape myEmptyShape; TopoDS_Shape myEmptyShape;
vector<int> myIsEdgeForward;
// //
int myErrorStatus; int myErrorStatus;
}; };
//////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////
// //
// class StdMeshers_TNode // class StdMeshers_TNode
// //
////////////////////////////////////////////////////////////////////////
#include "SMDS_MeshNode.hxx" #include "SMDS_MeshNode.hxx"
class StdMeshers_TNode { class StdMeshers_TNode {
@ -145,6 +156,7 @@ private:
// //
// class StdMeshers_Penta_3D // class StdMeshers_Penta_3D
// //
////////////////////////////////////////////////////////////////////////
#include "SMESH_Mesh.hxx" #include "SMESH_Mesh.hxx"
#include <TopoDS_Shape.hxx> #include <TopoDS_Shape.hxx>
// //
@ -168,7 +180,18 @@ class StdMeshers_Penta_3D {
double Tolerance() const { double Tolerance() const {
return myTol3D; return myTol3D;
} }
static bool LoadIJNodes(StdMeshers_IJNodeMap & theIJNodes,
const TopoDS_Face& theFace,
const TopoDS_Edge& theBaseEdge,
SMESHDS_Mesh* theMesh);
// Load nodes bound to theFace into column (vectors) and rows
// of theIJNodes.
// The value of theIJNodes map is a vector of ordered nodes so
// that the 0-the one lies on theBaseEdge.
// The key of theIJNodes map is a normalized parameter of each
// 0-the node on theBaseEdge.
protected: // methods protected: // methods
@ -178,12 +201,18 @@ class StdMeshers_Penta_3D {
void MakeNodes(); void MakeNodes();
double SetHorizEdgeXYZ(const gp_XYZ& aBNXYZ,
const int aFaceID,
vector<const SMDS_MeshNode*>*& aCol1,
vector<const SMDS_MeshNode*>*& aCol2);
void ShapeSupportID(const bool theIsUpperLayer, void ShapeSupportID(const bool theIsUpperLayer,
const SMESH_Block::TShapeID theBNSSID, const SMESH_Block::TShapeID theBNSSID,
SMESH_Block::TShapeID& theSSID); SMESH_Block::TShapeID& theSSID);
void FindNodeOnShape(const TopoDS_Shape& aS, void FindNodeOnShape(const TopoDS_Shape& aS,
const gp_XYZ& aParams, const gp_XYZ& aParams,
const int z,
StdMeshers_TNode& aTN); StdMeshers_TNode& aTN);
void CreateNode(const bool theIsUpperLayer, void CreateNode(const bool theIsUpperLayer,
@ -209,17 +238,19 @@ class StdMeshers_Penta_3D {
} }
protected: // fields protected: // fields
TopoDS_Shape myShape; TopoDS_Shape myShape;
StdMeshers_SMESHBlock myBlock; StdMeshers_SMESHBlock myBlock;
void * myMesh; void * myMesh;
int myErrorStatus; int myErrorStatus;
// //
vector <StdMeshers_TNode> myTNodes; vector <StdMeshers_TNode> myTNodes;
int myISize; int myISize;
int myJSize; int myJSize;
double myTol3D; // Tolerance value double myTol3D; // Tolerance value
StdMeshers_DataMapOfIntegerInteger myConnectingMap; std::map < int, int > myConnectingMap;
//
vector<StdMeshers_IJNodeMap> myWallNodesMaps; // nodes on a face
vector<gp_XYZ> myShapeXYZ; // point on each sub-shape
}; };
#endif #endif