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https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2025-03-12 19:24:33 +05:00
VolumeTool has been partially adapted for PolyhedralVolumes processing
This commit is contained in:
jfa
parent
52edf90f5a
commit
10df32bae6
@ -11,6 +11,10 @@
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#include "SMDS_MeshElement.hxx"
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#include "SMDS_MeshNode.hxx"
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#include "SMDS_PolyhedralVolumeOfNodes.hxx"
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#include "utilities.h"
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#include <map>
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#include <float.h>
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#include <math.h>
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@ -200,19 +204,36 @@ double XYZ::Magnitude() {
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SMDS_VolumeTool::SMDS_VolumeTool ()
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: myVolume( 0 ),
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myPolyedre( 0 ),
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myVolForward( true ),
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myNbFaces( 0 ),
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myVolumeNbNodes( 0 ),
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myExternalFaces( false )
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myVolumeNodes( NULL ),
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myExternalFaces( false ),
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myFaceNbNodes( 0 ),
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myCurFace( -1 ),
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myFaceNodeIndices( NULL ),
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myFaceNodes( NULL )
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{
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}
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//=======================================================================
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//function : SMDS_VolumeTool
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//purpose :
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//=======================================================================
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SMDS_VolumeTool::SMDS_VolumeTool (const SMDS_MeshElement* theVolume)
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: myExternalFaces( false )
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: myVolume( 0 ),
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myPolyedre( 0 ),
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myVolForward( true ),
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myNbFaces( 0 ),
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myVolumeNbNodes( 0 ),
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myVolumeNodes( NULL ),
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myExternalFaces( false ),
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myFaceNbNodes( 0 ),
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myCurFace( -1 ),
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myFaceNodeIndices( NULL ),
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myFaceNodes( NULL )
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{
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Set( theVolume );
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}
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@ -224,6 +245,14 @@ SMDS_VolumeTool::SMDS_VolumeTool (const SMDS_MeshElement* theVolume)
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SMDS_VolumeTool::~SMDS_VolumeTool()
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{
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if (myVolumeNodes != NULL) {
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delete [] myVolumeNodes;
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myVolumeNodes = NULL;
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}
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if (myFaceNodes != NULL) {
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delete [] myFaceNodes;
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myFaceNodes = NULL;
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}
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}
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//=======================================================================
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@ -234,38 +263,53 @@ SMDS_VolumeTool::~SMDS_VolumeTool()
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bool SMDS_VolumeTool::Set (const SMDS_MeshElement* theVolume)
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{
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myVolume = 0;
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myPolyedre = 0;
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myVolForward = true;
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myCurFace = -1;
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myVolumeNbNodes = 0;
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myNbFaces = 0;
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myVolumeNbNodes = 0;
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if (myVolumeNodes != NULL) {
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delete [] myVolumeNodes;
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myVolumeNodes = NULL;
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}
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myExternalFaces = false;
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myFaceNbNodes = 0;
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myCurFace = -1;
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myFaceNodeIndices = NULL;
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if (myFaceNodes != NULL) {
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delete [] myFaceNodes;
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myFaceNodes = NULL;
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}
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if ( theVolume && theVolume->GetType() == SMDSAbs_Volume )
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{
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myVolume = theVolume;
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myNbFaces = theVolume->NbFaces();
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myVolumeNbNodes = theVolume->NbNodes();
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// set volume nodes
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int iNode = 0;
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myVolumeNodes = new const SMDS_MeshNode* [myVolumeNbNodes];
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SMDS_ElemIteratorPtr nodeIt = myVolume->nodesIterator();
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while ( nodeIt->more() ) {
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myVolumeNodes[ iNode++ ] = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
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}
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if (myVolume->IsPoly()) {
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myPolyedre = static_cast<const SMDS_PolyhedralVolumeOfNodes*>( myVolume );
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if (!myPolyedre) {
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MESSAGE("Warning: bad volumic element");
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return false;
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}
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} else {
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switch ( myVolumeNbNodes ) {
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case 4:
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case 5:
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case 6:
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case 8:
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{
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myVolume = theVolume;
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myNbFaces = theVolume->NbFaces();
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// set volume nodes
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int iNode = 0;
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SMDS_ElemIteratorPtr nodeIt = myVolume->nodesIterator();
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while ( nodeIt->more() )
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myVolumeNodes[ iNode++ ] = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
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// nb nodes in each face
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if ( myVolumeNbNodes == 4 )
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myFaceNbNodes = Tetra_nbN;
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else if ( myVolumeNbNodes == 5 )
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myFaceNbNodes = Pyramid_nbN;
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else if ( myVolumeNbNodes == 6 )
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myFaceNbNodes = Penta_nbN;
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else
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myFaceNbNodes = Hexa_nbN;
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case 8: {
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// define volume orientation
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XYZ botNormal;
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GetFaceNormal( 0, botNormal.x, botNormal.y, botNormal.z );
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@ -277,15 +321,17 @@ bool SMDS_VolumeTool::Set (const SMDS_MeshElement* theVolume)
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myVolForward = ( botNormal.Dot( upDir ) < 0 );
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break;
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}
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default: myVolume = 0;
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default:
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break;
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}
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}
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}
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return ( myVolume != 0 );
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}
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//=======================================================================
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//function : GetInverseNodes
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//purpose : Return nodes vector of an inverse volume
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//function : Inverse
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//purpose : Inverse volume
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//=======================================================================
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#define SWAP_NODES(nodes,i1,i2) \
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@ -298,6 +344,11 @@ void SMDS_VolumeTool::Inverse ()
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{
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if ( !myVolume ) return;
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if (myVolume->IsPoly()) {
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MESSAGE("Warning: attempt to inverse polyhedral volume");
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return;
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}
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myVolForward = !myVolForward;
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myCurFace = -1;
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@ -374,7 +425,7 @@ int SMDS_VolumeTool::NbFaceNodes( int faceIndex )
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{
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if ( !setFace( faceIndex ))
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return 0;
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return myFaceNbNodes[ faceIndex ];
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return myFaceNbNodes;
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}
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//=======================================================================
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@ -402,6 +453,10 @@ const SMDS_MeshNode** SMDS_VolumeTool::GetFaceNodes( int faceIndex )
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const int* SMDS_VolumeTool::GetFaceNodesIndices( int faceIndex )
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{
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if (myVolume->IsPoly()) {
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MESSAGE("Warning: attempt to obtain FaceNodesIndices of polyhedral volume");
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return NULL;
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}
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if ( !setFace( faceIndex ))
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return 0;
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return myFaceNodeIndices;
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@ -419,7 +474,7 @@ bool SMDS_VolumeTool::GetFaceNodes (int faceIndex,
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return false;
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theFaceNodes.clear();
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int iNode, nbNode = myFaceNbNodes[ faceIndex ];
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int iNode, nbNode = myFaceNbNodes;
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for ( iNode = 0; iNode < nbNode; iNode++ )
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theFaceNodes.insert( myFaceNodes[ iNode ]);
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@ -436,6 +491,16 @@ bool SMDS_VolumeTool::IsFaceExternal( int faceIndex )
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if ( myExternalFaces || !myVolume )
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return true;
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if (myVolume->IsPoly()) {
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XYZ aNormal, baryCenter, p0 (myPolyedre->GetFaceNode(faceIndex + 1, 1));
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GetFaceNormal(faceIndex, aNormal.x, aNormal.y, aNormal.z);
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GetBaryCenter(baryCenter.x, baryCenter.y, baryCenter.z);
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XYZ insideVec (baryCenter - p0);
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if (insideVec.Dot(aNormal) > 0)
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return false;
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return true;
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}
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switch ( myVolumeNbNodes ) {
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case 4:
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case 5:
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@ -482,7 +547,6 @@ bool SMDS_VolumeTool::GetFaceNormal (int faceIndex, double & X, double & Y, doub
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return true;
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}
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//=======================================================================
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//function : GetFaceArea
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//purpose : Return face area
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@ -490,6 +554,11 @@ bool SMDS_VolumeTool::GetFaceNormal (int faceIndex, double & X, double & Y, doub
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double SMDS_VolumeTool::GetFaceArea( int faceIndex )
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{
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if (myVolume->IsPoly()) {
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MESSAGE("Warning: attempt to obtain area of a face of polyhedral volume");
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return 0;
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}
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if ( !setFace( faceIndex ))
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return 0;
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@ -500,7 +569,7 @@ double SMDS_VolumeTool::GetFaceArea( int faceIndex )
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XYZ aVec13( p3 - p1 );
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double area = aVec12.Crossed( aVec13 ).Magnitude() * 0.5;
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if ( myFaceNbNodes[ faceIndex ] == 4 ) {
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if ( myFaceNbNodes == 4 ) {
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XYZ p4 ( myFaceNodes[3] );
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XYZ aVec14( p4 - p1 );
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area += aVec14.Crossed( aVec13 ).Magnitude() * 0.5;
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@ -516,6 +585,11 @@ double SMDS_VolumeTool::GetFaceArea( int faceIndex )
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int SMDS_VolumeTool::GetOppFaceIndex( int faceIndex ) const
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{
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int ind = -1;
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if (myVolume->IsPoly()) {
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MESSAGE("Warning: attempt to obtain opposite face on polyhedral volume");
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return ind;
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}
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if ( faceIndex >= 0 && faceIndex < NbFaces() ) {
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switch ( myVolumeNbNodes ) {
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case 6:
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@ -542,6 +616,33 @@ bool SMDS_VolumeTool::IsLinked (const SMDS_MeshNode* theNode1,
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if ( !myVolume )
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return false;
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if (myVolume->IsPoly()) {
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if (!myPolyedre) {
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MESSAGE("Warning: bad volumic element");
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return false;
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}
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bool isLinked = false;
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int iface;
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for (iface = 1; iface <= myNbFaces && !isLinked; iface++) {
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int inode, nbFaceNodes = myPolyedre->NbFaceNodes(iface);
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for (inode = 1; inode <= nbFaceNodes && !isLinked; inode++) {
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const SMDS_MeshNode* curNode = myPolyedre->GetFaceNode(iface, inode);
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if (curNode == theNode1 || curNode == theNode2) {
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int inextnode = (inode == nbFaceNodes) ? 1 : inode + 1;
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const SMDS_MeshNode* nextNode = myPolyedre->GetFaceNode(iface, inextnode);
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if ((curNode == theNode1 && nextNode == theNode2) ||
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(curNode == theNode2 && nextNode == theNode1)) {
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isLinked = true;
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}
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}
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}
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}
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return isLinked;
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}
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// find nodes indices
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int i1 = -1, i2 = -1;
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for ( int i = 0; i < myVolumeNbNodes; i++ ) {
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@ -562,6 +663,10 @@ bool SMDS_VolumeTool::IsLinked (const SMDS_MeshNode* theNode1,
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bool SMDS_VolumeTool::IsLinked (const int theNode1Index,
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const int theNode2Index) const
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{
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if (myVolume->IsPoly()) {
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return IsLinked(myVolumeNodes[theNode1Index], myVolumeNodes[theNode2Index]);
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}
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int minInd = theNode1Index < theNode2Index ? theNode1Index : theNode2Index;
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int maxInd = theNode1Index < theNode2Index ? theNode2Index : theNode1Index;
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@ -617,7 +722,6 @@ int SMDS_VolumeTool::GetNodeIndex(const SMDS_MeshNode* theNode) const
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return -1;
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}
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//=======================================================================
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//function : IsFreeFace
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//purpose : check that only one volume is build on the face nodes
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@ -626,11 +730,12 @@ int SMDS_VolumeTool::GetNodeIndex(const SMDS_MeshNode* theNode) const
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bool SMDS_VolumeTool::IsFreeFace( int faceIndex )
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{
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const int free = true;
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if ( !setFace( faceIndex ))
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if (!setFace( faceIndex ))
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return !free;
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const SMDS_MeshNode** nodes = GetFaceNodes( faceIndex );
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int nbFaceNodes = NbFaceNodes( faceIndex );
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int nbFaceNodes = myFaceNbNodes;
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// evaluate nb of face nodes shared by other volume
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int maxNbShared = -1;
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@ -706,7 +811,7 @@ bool SMDS_VolumeTool::IsFreeFace( int faceIndex )
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// check traingle parts 1 & 3
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if ( isShared[1] && isShared[3] )
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return !free; // is not free
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// check traingle parts 0 & 2;
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// check triangle parts 0 & 2;
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// 0 part could not be checked in the loop; check it here
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if ( isShared[2] && prevLinkShared &&
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volume.IsLinked( nodes[ 0 ], nodes[ 1 ] ) &&
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@ -741,7 +846,7 @@ int SMDS_VolumeTool::GetFaceIndex( const set<const SMDS_MeshNode*>& theFaceNodes
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//purpose : Return index of a face formed by theFaceNodes
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//=======================================================================
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int SMDS_VolumeTool::GetFaceIndex( const set<int>& theFaceNodesIndices )
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/*int SMDS_VolumeTool::GetFaceIndex( const set<int>& theFaceNodesIndices )
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{
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for ( int iFace = 0; iFace < myNbFaces; iFace++ ) {
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const int* nodes = GetFaceNodesIndices( iFace );
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@ -753,7 +858,7 @@ int SMDS_VolumeTool::GetFaceIndex( const set<int>& theFaceNodesIndices )
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return iFace;
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}
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return -1;
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}
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}*/
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//=======================================================================
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//function : setFace
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@ -768,42 +873,88 @@ bool SMDS_VolumeTool::setFace( int faceIndex )
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if ( myCurFace == faceIndex )
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return true;
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myCurFace = -1;
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if ( faceIndex < 0 || faceIndex >= NbFaces() )
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return false;
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if (myFaceNodes != NULL) {
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delete [] myFaceNodes;
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myFaceNodes = NULL;
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}
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if (myVolume->IsPoly()) {
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if (!myPolyedre) {
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MESSAGE("Warning: bad volumic element");
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return false;
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}
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// check orientation
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bool isGoodOri = true;
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if (myExternalFaces) {
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// get natural orientation
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XYZ aNormal, baryCenter, p0 (myPolyedre->GetFaceNode(faceIndex + 1, 1));
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SMDS_VolumeTool vTool (myPolyedre);
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vTool.GetFaceNormal(faceIndex, aNormal.x, aNormal.y, aNormal.z);
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vTool.GetBaryCenter(baryCenter.x, baryCenter.y, baryCenter.z);
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XYZ insideVec (baryCenter - p0);
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if (insideVec.Dot(aNormal) > 0)
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isGoodOri = false;
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}
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// set face nodes
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int iNode;
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myFaceNbNodes = myPolyedre->NbFaceNodes(faceIndex + 1);
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myFaceNodes = new const SMDS_MeshNode* [myFaceNbNodes + 1];
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if (isGoodOri) {
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for ( iNode = 0; iNode < myFaceNbNodes; iNode++ )
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myFaceNodes[ iNode ] = myPolyedre->GetFaceNode(faceIndex + 1, iNode + 1);
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} else {
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for ( iNode = 0; iNode < myFaceNbNodes; iNode++ )
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myFaceNodes[ iNode ] = myPolyedre->GetFaceNode(faceIndex + 1, myFaceNbNodes - iNode);
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}
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myFaceNodes[ myFaceNbNodes ] = myFaceNodes[ 0 ]; // last = first
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} else {
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// choose face node indices
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switch ( myVolumeNbNodes ) {
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case 4:
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myFaceNbNodes = Tetra_nbN[ faceIndex ];
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if ( myExternalFaces )
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myFaceNodeIndices = myVolForward ? Tetra_F[ faceIndex ] : Tetra_RE[ faceIndex ];
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else
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myFaceNodeIndices = myVolForward ? Tetra_F[ faceIndex ] : Tetra_R[ faceIndex ];
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break;
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case 5:
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myFaceNbNodes = Pyramid_nbN[ faceIndex ];
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if ( myExternalFaces )
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myFaceNodeIndices = myVolForward ? Pyramid_F[ faceIndex ] : Pyramid_RE[ faceIndex ];
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else
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myFaceNodeIndices = myVolForward ? Pyramid_F[ faceIndex ] : Pyramid_R[ faceIndex ];
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break;
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case 6:
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myFaceNbNodes = Penta_nbN[ faceIndex ];
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if ( myExternalFaces )
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myFaceNodeIndices = myVolForward ? Penta_FE[ faceIndex ] : Penta_RE[ faceIndex ];
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else
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myFaceNodeIndices = myVolForward ? Penta_F[ faceIndex ] : Penta_R[ faceIndex ];
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break;
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case 8:
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myFaceNbNodes = Hexa_nbN[ faceIndex ];
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if ( myExternalFaces )
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myFaceNodeIndices = myVolForward ? Hexa_FE[ faceIndex ] : Hexa_RE[ faceIndex ];
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else
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myFaceNodeIndices = Hexa_F[ faceIndex ];
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break;
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default: return false;
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default:
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return false;
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}
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// set face nodes
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int iNode, nbNode = myFaceNbNodes[ faceIndex ];
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for ( iNode = 0; iNode <= nbNode; iNode++ )
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myFaceNodes = new const SMDS_MeshNode* [myFaceNbNodes + 1];
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for ( int iNode = 0; iNode <= myFaceNbNodes; iNode++ )
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myFaceNodes[ iNode ] = myVolumeNodes[ myFaceNodeIndices[ iNode ]];
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}
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myCurFace = faceIndex;
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@ -32,6 +32,7 @@
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class SMDS_MeshElement;
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class SMDS_MeshNode;
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class SMDS_PolyhedralVolumeOfNodes;
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#include <vector>
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#include <set>
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@ -149,7 +150,7 @@ class SMDS_VolumeTool
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// Return index of a face formed by theFaceNodes.
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// Return -1 if a face not found
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int GetFaceIndex( const std::set<int>& theFaceNodesIndices );
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//int GetFaceIndex( const std::set<int>& theFaceNodesIndices );
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// Return index of a face formed by theFaceNodesIndices
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// Return -1 if a face not found
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@ -159,16 +160,19 @@ class SMDS_VolumeTool
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bool setFace( int faceIndex );
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||||
|
||||
const SMDS_MeshElement* myVolume;
|
||||
const SMDS_PolyhedralVolumeOfNodes* myPolyedre;
|
||||
|
||||
bool myVolForward;
|
||||
int myNbFaces;
|
||||
int myVolumeNbNodes;
|
||||
const SMDS_MeshNode* myVolumeNodes[ 8 ];
|
||||
const SMDS_MeshNode** myVolumeNodes;
|
||||
|
||||
bool myExternalFaces;
|
||||
int* myFaceNodeIndices;
|
||||
int* myFaceNbNodes;
|
||||
const SMDS_MeshNode* myFaceNodes[ 5 ];
|
||||
|
||||
int myCurFace;
|
||||
int myFaceNbNodes;
|
||||
int* myFaceNodeIndices;
|
||||
const SMDS_MeshNode** myFaceNodes;
|
||||
|
||||
};
|
||||
#endif
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user