+// Copyright (C) 2005 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/
+//
// File : SMDS_VolumeTool.cxx
// Created : Tue Jul 13 12:22:13 2004
// Author : Edward AGAPOV (eap)
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
+#include "SMDS_PolyhedralVolumeOfNodes.hxx"
+
+#include "utilities.h"
+
#include <map>
#include <float.h>
#include <math.h>
SMDS_VolumeTool::SMDS_VolumeTool ()
: myVolume( 0 ),
+ myPolyedre( 0 ),
myVolForward( true ),
myNbFaces( 0 ),
myVolumeNbNodes( 0 ),
- myExternalFaces( false )
+ myVolumeNodes( NULL ),
+ myExternalFaces( false ),
+ myFaceNbNodes( 0 ),
+ myCurFace( -1 ),
+ myFaceNodeIndices( NULL ),
+ myFaceNodes( NULL )
{
}
+
//=======================================================================
//function : SMDS_VolumeTool
//purpose :
//=======================================================================
SMDS_VolumeTool::SMDS_VolumeTool (const SMDS_MeshElement* theVolume)
- : myExternalFaces( false )
+ : myVolume( 0 ),
+ myPolyedre( 0 ),
+ myVolForward( true ),
+ myNbFaces( 0 ),
+ myVolumeNbNodes( 0 ),
+ myVolumeNodes( NULL ),
+ myExternalFaces( false ),
+ myFaceNbNodes( 0 ),
+ myCurFace( -1 ),
+ myFaceNodeIndices( NULL ),
+ myFaceNodes( NULL )
{
Set( theVolume );
}
SMDS_VolumeTool::~SMDS_VolumeTool()
{
+ if (myVolumeNodes != NULL) {
+ delete [] myVolumeNodes;
+ myVolumeNodes = NULL;
+ }
+ if (myFaceNodes != NULL) {
+ delete [] myFaceNodes;
+ myFaceNodes = NULL;
+ }
}
//=======================================================================
bool SMDS_VolumeTool::Set (const SMDS_MeshElement* theVolume)
{
myVolume = 0;
+ myPolyedre = 0;
+
myVolForward = true;
- myCurFace = -1;
- myVolumeNbNodes = 0;
myNbFaces = 0;
+ myVolumeNbNodes = 0;
+ if (myVolumeNodes != NULL) {
+ delete [] myVolumeNodes;
+ myVolumeNodes = NULL;
+ }
+
+ myExternalFaces = false;
+ myFaceNbNodes = 0;
+
+ myCurFace = -1;
+ myFaceNodeIndices = NULL;
+ if (myFaceNodes != NULL) {
+ delete [] myFaceNodes;
+ myFaceNodes = NULL;
+ }
+
if ( theVolume && theVolume->GetType() == SMDSAbs_Volume )
{
+ myVolume = theVolume;
+
+ myNbFaces = theVolume->NbFaces();
myVolumeNbNodes = theVolume->NbNodes();
- switch ( myVolumeNbNodes ) {
- case 4:
- case 5:
- case 6:
- case 8:
- {
- myVolume = theVolume;
- myNbFaces = theVolume->NbFaces();
-
- // set volume nodes
- int iNode = 0;
- SMDS_ElemIteratorPtr nodeIt = myVolume->nodesIterator();
- while ( nodeIt->more() )
- myVolumeNodes[ iNode++ ] = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
-
- // nb nodes in each face
- if ( myVolumeNbNodes == 4 )
- myFaceNbNodes = Tetra_nbN;
- else if ( myVolumeNbNodes == 5 )
- myFaceNbNodes = Pyramid_nbN;
- else if ( myVolumeNbNodes == 6 )
- myFaceNbNodes = Penta_nbN;
- else
- myFaceNbNodes = Hexa_nbN;
-
- // define volume orientation
- XYZ botNormal;
- GetFaceNormal( 0, botNormal.x, botNormal.y, botNormal.z );
- const SMDS_MeshNode* topNode = myVolumeNodes[ myVolumeNbNodes - 1 ];
- const SMDS_MeshNode* botNode = myVolumeNodes[ 0 ];
- XYZ upDir (topNode->X() - botNode->X(),
- topNode->Y() - botNode->Y(),
- topNode->Z() - botNode->Z() );
- myVolForward = ( botNormal.Dot( upDir ) < 0 );
- break;
+
+ // set volume nodes
+ int iNode = 0;
+ myVolumeNodes = new const SMDS_MeshNode* [myVolumeNbNodes];
+ SMDS_ElemIteratorPtr nodeIt = myVolume->nodesIterator();
+ while ( nodeIt->more() ) {
+ myVolumeNodes[ iNode++ ] = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
}
- default: myVolume = 0;
+
+ if (myVolume->IsPoly()) {
+ myPolyedre = static_cast<const SMDS_PolyhedralVolumeOfNodes*>( myVolume );
+ if (!myPolyedre) {
+ MESSAGE("Warning: bad volumic element");
+ return false;
+ }
+ } else {
+ switch ( myVolumeNbNodes ) {
+ case 4:
+ case 5:
+ case 6:
+ case 8: {
+ // define volume orientation
+ XYZ botNormal;
+ GetFaceNormal( 0, botNormal.x, botNormal.y, botNormal.z );
+ const SMDS_MeshNode* topNode = myVolumeNodes[ myVolumeNbNodes - 1 ];
+ const SMDS_MeshNode* botNode = myVolumeNodes[ 0 ];
+ XYZ upDir (topNode->X() - botNode->X(),
+ topNode->Y() - botNode->Y(),
+ topNode->Z() - botNode->Z() );
+ myVolForward = ( botNormal.Dot( upDir ) < 0 );
+ break;
+ }
+ default:
+ break;
+ }
}
}
return ( myVolume != 0 );
}
//=======================================================================
-//function : GetInverseNodes
-//purpose : Return nodes vector of an inverse volume
+//function : Inverse
+//purpose : Inverse volume
//=======================================================================
#define SWAP_NODES(nodes,i1,i2) \
{
if ( !myVolume ) return;
+ if (myVolume->IsPoly()) {
+ MESSAGE("Warning: attempt to inverse polyhedral volume");
+ return;
+ }
+
myVolForward = !myVolForward;
myCurFace = -1;
}
}
+//=======================================================================
+//function : GetVolumeType
+//purpose :
+//=======================================================================
+
+SMDS_VolumeTool::VolumeType SMDS_VolumeTool::GetVolumeType() const
+{
+ if ( myPolyedre )
+ return POLYHEDA;
+
+ if ( myVolume ) {
+ static const VolumeType types[] = {
+ TETRA, // myVolumeNbNodes = 4
+ PYRAM, // myVolumeNbNodes = 5
+ PENTA, // myVolumeNbNodes = 6
+ UNKNOWN, // myVolumeNbNodes = 7
+ HEXA // myVolumeNbNodes = 8
+ };
+ return types[ myVolumeNbNodes - 4 ];
+ }
+
+ return UNKNOWN;
+}
+
+//=======================================================================
+//function : getTetraVolume
+//purpose :
+//=======================================================================
+
+static double getTetraVolume(const SMDS_MeshNode* n1,
+ const SMDS_MeshNode* n2,
+ const SMDS_MeshNode* n3,
+ const SMDS_MeshNode* n4)
+{
+ double X1 = n1->X();
+ double Y1 = n1->Y();
+ double Z1 = n1->Z();
+
+ double X2 = n2->X();
+ double Y2 = n2->Y();
+ double Z2 = n2->Z();
+
+ double X3 = n3->X();
+ double Y3 = n3->Y();
+ double Z3 = n3->Z();
+
+ double X4 = n4->X();
+ double Y4 = n4->Y();
+ double Z4 = n4->Z();
+
+ double Q1 = -(X1-X2)*(Y3*Z4-Y4*Z3);
+ double Q2 = (X1-X3)*(Y2*Z4-Y4*Z2);
+ double R1 = -(X1-X4)*(Y2*Z3-Y3*Z2);
+ double R2 = -(X2-X3)*(Y1*Z4-Y4*Z1);
+ double S1 = (X2-X4)*(Y1*Z3-Y3*Z1);
+ double S2 = -(X3-X4)*(Y1*Z2-Y2*Z1);
+
+ return (Q1+Q2+R1+R2+S1+S2)/6.0;
+}
+
//=======================================================================
//function : GetSize
//purpose : Return element volume
double SMDS_VolumeTool::GetSize() const
{
- return 0;
+ double V = 0.;
+ if ( !myVolume )
+ return 0.;
+
+ if ( myVolume->IsPoly() )
+ {
+ if ( !myPolyedre )
+ return 0.;
+
+ // split a polyhedron into tetrahedrons
+
+ SMDS_VolumeTool* me = const_cast< SMDS_VolumeTool* > ( this );
+ XYZ baryCenter;
+ me->GetBaryCenter(baryCenter.x, baryCenter.y, baryCenter.z);
+ SMDS_MeshNode bcNode ( baryCenter.x, baryCenter.y, baryCenter.z );
+
+ for ( int f = 0; f < NbFaces(); ++f )
+ {
+ bool externalFace = me->IsFaceExternal( f ); // it calls setFace()
+ for ( int n = 2; n < myFaceNbNodes; ++n )
+ {
+ double Vn = getTetraVolume( myFaceNodes[ 0 ],
+ myFaceNodes[ n-1 ],
+ myFaceNodes[ n ],
+ & bcNode );
+/// cout <<"++++ " << Vn << " nodes " <<myFaceNodes[ 0 ]->GetID() << " " <<myFaceNodes[ n-1 ]->GetID() << " " <<myFaceNodes[ n ]->GetID() << " < " << V << endl;
+ V += externalFace ? -Vn : Vn;
+ }
+ }
+ }
+ else
+ {
+ const static int ind[] = {
+ 0, 1, 3, 6, 11 };
+ const static int vtab[][4] = {
+ // tetrahedron
+ { 0, 1, 2, 3 },
+ // pyramid
+ { 0, 1, 3, 4 },
+ { 1, 2, 3, 4 },
+ // pentahedron
+ { 0, 1, 2, 3 },
+ { 1, 5, 3, 4 },
+ { 1, 5, 2, 3 },
+ // hexahedron
+ { 1, 4, 3, 0 },
+ { 4, 1, 6, 5 },
+ { 1, 3, 6, 2 },
+ { 4, 6, 3, 7 },
+ { 1, 4, 6, 3 }
+ };
+
+ int type = GetVolumeType();
+ int n1 = ind[type];
+ int n2 = ind[type+1];
+
+ for (int i = n1; i < n2; i++)
+ {
+ V -= getTetraVolume( myVolumeNodes[ vtab[i][0] ],
+ myVolumeNodes[ vtab[i][1] ],
+ myVolumeNodes[ vtab[i][2] ],
+ myVolumeNodes[ vtab[i][3] ]);
+ }
+ }
+ return V;
}
//=======================================================================
int SMDS_VolumeTool::NbFaceNodes( int faceIndex )
{
- if ( !setFace( faceIndex ))
- return 0;
- return myFaceNbNodes[ faceIndex ];
+ if ( !setFace( faceIndex ))
+ return 0;
+ return myFaceNbNodes;
}
//=======================================================================
const int* SMDS_VolumeTool::GetFaceNodesIndices( int faceIndex )
{
+ if (myVolume->IsPoly()) {
+ MESSAGE("Warning: attempt to obtain FaceNodesIndices of polyhedral volume");
+ return NULL;
+ }
if ( !setFace( faceIndex ))
return 0;
return myFaceNodeIndices;
return false;
theFaceNodes.clear();
- int iNode, nbNode = myFaceNbNodes[ faceIndex ];
+ int iNode, nbNode = myFaceNbNodes;
for ( iNode = 0; iNode < nbNode; iNode++ )
theFaceNodes.insert( myFaceNodes[ iNode ]);
-
+
return true;
}
if ( myExternalFaces || !myVolume )
return true;
+ if (myVolume->IsPoly()) {
+ XYZ aNormal, baryCenter, p0 (myPolyedre->GetFaceNode(faceIndex + 1, 1));
+ GetFaceNormal(faceIndex, aNormal.x, aNormal.y, aNormal.z);
+ GetBaryCenter(baryCenter.x, baryCenter.y, baryCenter.z);
+ XYZ insideVec (baryCenter - p0);
+ if (insideVec.Dot(aNormal) > 0)
+ return false;
+ return true;
+ }
+
switch ( myVolumeNbNodes ) {
case 4:
case 5:
XYZ aVec13( p3 - p1 );
XYZ cross = aVec12.Crossed( aVec13 );
+ if ( myFaceNbNodes == 4 ) {
+ XYZ p4 ( myFaceNodes[3] );
+ XYZ aVec14( p4 - p1 );
+ XYZ cross2 = aVec13.Crossed( aVec14 );
+ cross.x += cross2.x;
+ cross.y += cross2.y;
+ cross.z += cross2.z;
+ }
+
double size = cross.Magnitude();
if ( size <= DBL_MIN )
return false;
return true;
}
-
//=======================================================================
//function : GetFaceArea
//purpose : Return face area
double SMDS_VolumeTool::GetFaceArea( int faceIndex )
{
+ if (myVolume->IsPoly()) {
+ MESSAGE("Warning: attempt to obtain area of a face of polyhedral volume");
+ return 0;
+ }
+
if ( !setFace( faceIndex ))
return 0;
XYZ aVec13( p3 - p1 );
double area = aVec12.Crossed( aVec13 ).Magnitude() * 0.5;
- if ( myFaceNbNodes[ faceIndex ] == 4 ) {
+ if ( myFaceNbNodes == 4 ) {
XYZ p4 ( myFaceNodes[3] );
XYZ aVec14( p4 - p1 );
area += aVec14.Crossed( aVec13 ).Magnitude() * 0.5;
int SMDS_VolumeTool::GetOppFaceIndex( int faceIndex ) const
{
int ind = -1;
+ if (myVolume->IsPoly()) {
+ MESSAGE("Warning: attempt to obtain opposite face on polyhedral volume");
+ return ind;
+ }
+
if ( faceIndex >= 0 && faceIndex < NbFaces() ) {
switch ( myVolumeNbNodes ) {
case 6:
if ( faceIndex == 0 || faceIndex == 1 )
ind = 1 - faceIndex;
- break;
+ break;
case 8:
ind = faceIndex + ( faceIndex % 2 ? -1 : 1 );
break;
if ( !myVolume )
return false;
+ if (myVolume->IsPoly()) {
+ if (!myPolyedre) {
+ MESSAGE("Warning: bad volumic element");
+ return false;
+ }
+ bool isLinked = false;
+ int iface;
+ for (iface = 1; iface <= myNbFaces && !isLinked; iface++) {
+ int inode, nbFaceNodes = myPolyedre->NbFaceNodes(iface);
+
+ for (inode = 1; inode <= nbFaceNodes && !isLinked; inode++) {
+ const SMDS_MeshNode* curNode = myPolyedre->GetFaceNode(iface, inode);
+
+ if (curNode == theNode1 || curNode == theNode2) {
+ int inextnode = (inode == nbFaceNodes) ? 1 : inode + 1;
+ const SMDS_MeshNode* nextNode = myPolyedre->GetFaceNode(iface, inextnode);
+
+ if ((curNode == theNode1 && nextNode == theNode2) ||
+ (curNode == theNode2 && nextNode == theNode1)) {
+ isLinked = true;
+ }
+ }
+ }
+ }
+ return isLinked;
+ }
+
// find nodes indices
int i1 = -1, i2 = -1;
for ( int i = 0; i < myVolumeNbNodes; i++ ) {
bool SMDS_VolumeTool::IsLinked (const int theNode1Index,
const int theNode2Index) const
{
+ if (myVolume->IsPoly()) {
+ return IsLinked(myVolumeNodes[theNode1Index], myVolumeNodes[theNode2Index]);
+ }
+
int minInd = theNode1Index < theNode2Index ? theNode1Index : theNode2Index;
int maxInd = theNode1Index < theNode2Index ? theNode2Index : theNode1Index;
return -1;
}
-
//=======================================================================
//function : IsFreeFace
//purpose : check that only one volume is build on the face nodes
bool SMDS_VolumeTool::IsFreeFace( int faceIndex )
{
const int free = true;
- if ( !setFace( faceIndex ))
+
+ if (!setFace( faceIndex ))
return !free;
const SMDS_MeshNode** nodes = GetFaceNodes( faceIndex );
- int nbFaceNodes = NbFaceNodes( faceIndex );
+ int nbFaceNodes = myFaceNbNodes;
// evaluate nb of face nodes shared by other volume
int maxNbShared = -1;
// check traingle parts 1 & 3
if ( isShared[1] && isShared[3] )
return !free; // is not free
- // check traingle parts 0 & 2;
+ // check triangle parts 0 & 2;
// 0 part could not be checked in the loop; check it here
if ( isShared[2] && prevLinkShared &&
volume.IsLinked( nodes[ 0 ], nodes[ 1 ] ) &&
//purpose : Return index of a face formed by theFaceNodes
//=======================================================================
-int SMDS_VolumeTool::GetFaceIndex( const set<int>& theFaceNodesIndices )
+/*int SMDS_VolumeTool::GetFaceIndex( const set<int>& theFaceNodesIndices )
{
for ( int iFace = 0; iFace < myNbFaces; iFace++ ) {
const int* nodes = GetFaceNodesIndices( iFace );
return iFace;
}
return -1;
-}
+}*/
//=======================================================================
//function : setFace
if ( myCurFace == faceIndex )
return true;
+ myCurFace = -1;
+
if ( faceIndex < 0 || faceIndex >= NbFaces() )
return false;
- // choose face node indices
- switch ( myVolumeNbNodes ) {
- case 4:
- if ( myExternalFaces )
- myFaceNodeIndices = myVolForward ? Tetra_F[ faceIndex ] : Tetra_RE[ faceIndex ];
- else
- myFaceNodeIndices = myVolForward ? Tetra_F[ faceIndex ] : Tetra_R[ faceIndex ];
- break;
- case 5:
- if ( myExternalFaces )
- myFaceNodeIndices = myVolForward ? Pyramid_F[ faceIndex ] : Pyramid_RE[ faceIndex ];
- else
- myFaceNodeIndices = myVolForward ? Pyramid_F[ faceIndex ] : Pyramid_R[ faceIndex ];
- break;
- case 6:
- if ( myExternalFaces )
- myFaceNodeIndices = myVolForward ? Penta_FE[ faceIndex ] : Penta_RE[ faceIndex ];
- else
- myFaceNodeIndices = myVolForward ? Penta_F[ faceIndex ] : Penta_R[ faceIndex ];
- break;
- case 8:
- if ( myExternalFaces )
- myFaceNodeIndices = myVolForward ? Hexa_FE[ faceIndex ] : Hexa_RE[ faceIndex ];
- else
- myFaceNodeIndices = Hexa_F[ faceIndex ];
- break;
- default: return false;
+ if (myFaceNodes != NULL) {
+ delete [] myFaceNodes;
+ myFaceNodes = NULL;
}
- // set face nodes
- int iNode, nbNode = myFaceNbNodes[ faceIndex ];
- for ( iNode = 0; iNode <= nbNode; iNode++ )
- myFaceNodes[ iNode ] = myVolumeNodes[ myFaceNodeIndices[ iNode ]];
+ if (myVolume->IsPoly()) {
+ if (!myPolyedre) {
+ MESSAGE("Warning: bad volumic element");
+ return false;
+ }
+
+ // check orientation
+ bool isGoodOri = true;
+ if (myExternalFaces)
+ isGoodOri = IsFaceExternal( faceIndex );
+
+ // set face nodes
+ int iNode;
+ myFaceNbNodes = myPolyedre->NbFaceNodes(faceIndex + 1);
+ myFaceNodes = new const SMDS_MeshNode* [myFaceNbNodes + 1];
+ if (isGoodOri) {
+ for ( iNode = 0; iNode < myFaceNbNodes; iNode++ )
+ myFaceNodes[ iNode ] = myPolyedre->GetFaceNode(faceIndex + 1, iNode + 1);
+ } else {
+ for ( iNode = 0; iNode < myFaceNbNodes; iNode++ )
+ myFaceNodes[ iNode ] = myPolyedre->GetFaceNode(faceIndex + 1, myFaceNbNodes - iNode);
+ }
+ myFaceNodes[ myFaceNbNodes ] = myFaceNodes[ 0 ]; // last = first
+
+ } else {
+ // choose face node indices
+ switch ( myVolumeNbNodes ) {
+ case 4:
+ myFaceNbNodes = Tetra_nbN[ faceIndex ];
+ if ( myExternalFaces )
+ myFaceNodeIndices = myVolForward ? Tetra_F[ faceIndex ] : Tetra_RE[ faceIndex ];
+ else
+ myFaceNodeIndices = myVolForward ? Tetra_F[ faceIndex ] : Tetra_R[ faceIndex ];
+ break;
+ case 5:
+ myFaceNbNodes = Pyramid_nbN[ faceIndex ];
+ if ( myExternalFaces )
+ myFaceNodeIndices = myVolForward ? Pyramid_F[ faceIndex ] : Pyramid_RE[ faceIndex ];
+ else
+ myFaceNodeIndices = myVolForward ? Pyramid_F[ faceIndex ] : Pyramid_R[ faceIndex ];
+ break;
+ case 6:
+ myFaceNbNodes = Penta_nbN[ faceIndex ];
+ if ( myExternalFaces )
+ myFaceNodeIndices = myVolForward ? Penta_FE[ faceIndex ] : Penta_RE[ faceIndex ];
+ else
+ myFaceNodeIndices = myVolForward ? Penta_F[ faceIndex ] : Penta_R[ faceIndex ];
+ break;
+ case 8:
+ myFaceNbNodes = Hexa_nbN[ faceIndex ];
+ if ( myExternalFaces )
+ myFaceNodeIndices = myVolForward ? Hexa_FE[ faceIndex ] : Hexa_RE[ faceIndex ];
+ else
+ myFaceNodeIndices = Hexa_F[ faceIndex ];
+ break;
+ default:
+ return false;
+ }
+
+ // set face nodes
+ myFaceNodes = new const SMDS_MeshNode* [myFaceNbNodes + 1];
+ for ( int iNode = 0; iNode < myFaceNbNodes; iNode++ )
+ myFaceNodes[ iNode ] = myVolumeNodes[ myFaceNodeIndices[ iNode ]];
+ myFaceNodes[ myFaceNbNodes ] = myFaceNodes[ 0 ];
+ }
myCurFace = faceIndex;
return true;
}
+
+//=======================================================================
+//function : GetType
+//purpose : return VolumeType by nb of nodes in a volume
+//=======================================================================
+
+SMDS_VolumeTool::VolumeType SMDS_VolumeTool::GetType(int nbNodes)
+{
+ switch ( nbNodes ) {
+ case 4: return TETRA;
+ case 5: return PYRAM;
+ case 6: return PENTA;
+ case 8: return HEXA;
+ default:return UNKNOWN;
+ }
+}
+
+//=======================================================================
+//function : NbFaces
+//purpose : return nb of faces by volume type
+//=======================================================================
+
+int SMDS_VolumeTool::NbFaces( VolumeType type )
+{
+ switch ( type ) {
+ case TETRA: return 4;
+ case PYRAM: return 5;
+ case PENTA: return 5;
+ case HEXA : return 6;
+ default: return 0;
+ }
+}
+
+//=======================================================================
+//function : GetFaceNodesIndices
+//purpose : Return the array of face nodes indices
+// To comfort link iteration, the array
+// length == NbFaceNodes( faceIndex ) + 1 and
+// the last node index == the first one.
+//=======================================================================
+
+const int* SMDS_VolumeTool::GetFaceNodesIndices(VolumeType type,
+ int faceIndex,
+ bool external)
+{
+ switch ( type ) {
+ case TETRA: return Tetra_F[ faceIndex ];
+ case PYRAM: return Pyramid_F[ faceIndex ];
+ case PENTA: return external ? Penta_FE[ faceIndex ] : Penta_F[ faceIndex ];
+ case HEXA: return external ? Hexa_FE[ faceIndex ] : Hexa_F[ faceIndex ];
+ default:;
+ }
+ return 0;
+}
+
+//=======================================================================
+//function : NbFaceNodes
+//purpose : Return number of nodes in the array of face nodes
+//=======================================================================
+
+int SMDS_VolumeTool::NbFaceNodes(VolumeType type,
+ int faceIndex )
+{
+ switch ( type ) {
+ case TETRA: return Tetra_nbN[ faceIndex ];
+ case PYRAM: return Pyramid_nbN[ faceIndex ];
+ case PENTA: return Penta_nbN[ faceIndex ];
+ case HEXA: return Hexa_nbN[ faceIndex ];
+ default:;
+ }
+ return 0;
+}
+
