+// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 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/ or email : webmaster.salome@opencascade.com
+//
+
// File : SMDS_VolumeTool.cxx
// Created : Tue Jul 13 12:22:13 2004
// Author : Edward AGAPOV (eap)
-// Copyright : Open CASCADE
-
+//
+#ifdef _MSC_VER
+#pragma warning(disable:4786)
+#endif
#include "SMDS_VolumeTool.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
+#include "SMDS_VtkVolume.hxx"
+#include "SMDS_Mesh.hxx"
+
+#include "utilities.h"
+
#include <map>
-#include <float.h>
+#include <limits>
+#include <cmath>
using namespace std;
+// ======================================================
+// Node indices in faces depending on volume orientation
+// making most faces normals external
+// ======================================================
+// For all elements, 0-th face is bottom based on the first nodes.
+// For prismatic elements (tetra,hexa,prisms), 1-th face is a top one.
+// For all elements, side faces follow order of bottom nodes
+// ======================================================
+
/*
// N3
// +
// /|\
// / | \
// / | \
-// N0 +---|---+ N2 TETRAHEDRON
+// N0 +---|---+ N1 TETRAHEDRON
// \ | /
// \ | /
// \ | /
// \|/
// +
-// N1
+// N2
*/
-static int Tetra_F [4][4] = { // FORWARD == REVERSED EXTERNAL
- { 0, 1, 2, 0 }, // Bottom face has an internal normal, other - external
- { 0, 1, 3, 0 },
- { 1, 2, 3, 1 },
- { 0, 3, 2, 0 }};
-static int Tetra_R [4][4] = { // REVERSED == FORWARD EXTERNAL
- { 0, 2, 1, 0 }, // All faces have external normals
+static int Tetra_F [4][4] = { // FORWARD == EXTERNAL
+ { 0, 1, 2, 0 }, // All faces have external normals
+ { 0, 3, 1, 0 },
+ { 1, 3, 2, 1 },
+ { 0, 2, 3, 0 }};
+static int Tetra_RE [4][4] = { // REVERSED -> FORWARD (EXTERNAL)
+ { 0, 2, 1, 0 }, // All faces have external normals
{ 0, 1, 3, 0 },
{ 1, 2, 3, 1 },
- { 0, 3, 2, 0 }};
+ { 0, 3, 2, 0 }};
static int Tetra_nbN [] = { 3, 3, 3, 3 };
+//
+// PYRAMID
+//
+static int Pyramid_F [5][5] = { // FORWARD == EXTERNAL
+ { 0, 1, 2, 3, 0 }, // All faces have external normals
+ { 0, 4, 1, 0, 4 },
+ { 1, 4, 2, 1, 4 },
+ { 2, 4, 3, 2, 4 },
+ { 3, 4, 0, 3, 4 }
+};
+static int Pyramid_RE [5][5] = { // REVERSED -> FORWARD (EXTERNAL)
+ { 0, 3, 2, 1, 0 }, // All faces but a bottom have external normals
+ { 0, 1, 4, 0, 4 },
+ { 1, 2, 4, 1, 4 },
+ { 2, 3, 4, 2, 4 },
+ { 3, 0, 4, 3, 4 }};
+static int Pyramid_nbN [] = { 4, 3, 3, 3, 3 };
+
/*
// + N4
// /|\
// N0 +---------+ N2
*/
static int Penta_F [5][5] = { // FORWARD
- { 0, 1, 2, 0, 0 }, // Top face has an internal normal, other - external
- { 3, 4, 5, 3, 3 }, // 0 is bottom, 1 is top face
- { 0, 2, 5, 3, 0 },
- { 1, 2, 5, 4, 1 },
- { 1, 0, 3, 4, 1 }};
-static int Penta_R [5][5] = { // REVERSED
- { 0, 2, 1, 0, 0 }, // Bottom face has an internal normal, other - external
+ { 0, 1, 2, 0, 0 }, // All faces have external normals
{ 3, 5, 4, 3, 3 }, // 0 is bottom, 1 is top face
- { 0, 2, 5, 3, 0 },
- { 1, 2, 5, 4, 1 },
- { 1, 0, 3, 4, 1 }};
-static int Penta_FE [5][5] = { // EXTERNAL
- { 0, 1, 2, 0, 0 },
- { 3, 5, 4, 3, 3 },
- { 0, 2, 5, 3, 0 },
+ { 0, 3, 4, 1, 0 },
+ { 1, 4, 5, 2, 1 },
+ { 0, 2, 5, 3, 0 }};
+static int Penta_RE [5][5] = { // REVERSED -> EXTERNAL
+ { 0, 2, 1, 0, 0 },
+ { 3, 4, 5, 3, 3 },
+ { 0, 1, 4, 3, 0 },
{ 1, 2, 5, 4, 1 },
- { 1, 0, 3, 4, 1 }};
-static int Penta_RE [5][5] = { // REVERSED EXTERNAL
- { 0, 0, 2, 1, 0 },
- { 3, 3, 4, 5, 3 },
- { 0, 2, 5, 3, 0 },
- { 1, 2, 5, 4, 1 },
- { 1, 0, 3, 4, 1 }};
+ { 0, 3, 5, 2, 0 }};
static int Penta_nbN [] = { 3, 3, 4, 4, 4 };
/*
-// N7+----------+N6
+// N5+----------+N6
// /| /|
// / | / |
// / | / |
-// N4+----------+N5 |
+// N4+----------+N7 |
// | | | | HEXAHEDRON
-// | | | |
-// | | | |
-// | N3+------|---+N2
+// | N1+------|---+N2
// | / | /
// | / | /
// |/ |/
-// N0+----------+N1
+// N0+----------+N3
*/
static int Hexa_F [6][5] = { // FORWARD
- { 0, 1, 2, 3, 0 }, // opposite faces are neighbouring,
- { 4, 5, 6, 7, 4 }, // even face normal is internal, odd - external
- { 1, 0, 4, 5, 1 }, // same index nodes nodes of opposite faces are linked
- { 2, 3, 7, 6, 2 },
- { 0, 3, 7, 4, 0 },
- { 1, 2, 6, 5, 1 }};
-static int Hexa_R [6][5] = { // REVERSED
- { 0, 3, 2, 1, 0 }, // opposite faces are neighbouring,
- { 4, 7, 6, 5, 4 }, // even face normal is external, odd - internal
- { 1, 5, 4, 0, 1 }, // same index nodes nodes of opposite faces are linked
- { 2, 6, 7, 3, 2 },
- { 0, 4, 7, 3, 0 },
- { 1, 5, 6, 2, 1 }};
-static int Hexa_FE [6][5] = { // EXTERNAL
- { 0, 3, 2, 1, 0 }, // opposite faces are neighbouring,
- { 4, 5, 6, 7, 4 }, // all face normals are external,
- { 0, 1, 5, 4, 0 }, // links in opposite faces: 0-0, 1-3, 2-2, 3-1
- { 3, 7, 6, 2, 3 },
- { 1, 2, 6, 5, 1 },
- { 0, 4, 7, 3, 0 }};
-static int Hexa_RE [6][5] = { // REVERSED EXTERNAL
- { 0, 1, 2, 3, 0 }, // opposite faces are neighbouring,
- { 4, 7, 6, 5, 4 }, // all face normals are external,
- { 0, 1, 5, 4, 0 }, // links in opposite faces: 0-0, 1-3, 2-2, 3-1
+ { 0, 1, 2, 3, 0 },
+ { 4, 7, 6, 5, 4 }, // all face normals are external
+ { 0, 4, 5, 1, 0 },
+ { 1, 5, 6, 2, 1 },
+ { 3, 2, 6, 7, 3 },
+ { 0, 3, 7, 4, 0 }};
+static int Hexa_RE [6][5] = { // REVERSED -> EXTERNAL
+ { 0, 3, 2, 1, 0 },
+ { 4, 5, 6, 7, 4 }, // all face normals are external
+ { 0, 1, 5, 4, 0 },
+ { 1, 2, 6, 5, 1 },
{ 3, 7, 6, 2, 3 },
- { 1, 2, 6, 5, 1 },
{ 0, 4, 7, 3, 0 }};
static int Hexa_nbN [] = { 4, 4, 4, 4, 4, 4 };
+static int Hexa_oppF[] = { 1, 0, 4, 5, 2, 3 }; // oppopsite facet indices
+
+/*
+// N8 +------+ N9
+// / \
+// / \
+// N7 + + N10
+// \ /
+// \ /
+// N6 +------+ N11
+// HEXAGONAL PRISM
+// N2 +------+ N3
+// / \
+// / \
+// N1 + + N4
+// \ /
+// \ /
+// N0 +------+ N5
+*/
+static int HexPrism_F [8][7] = { // FORWARD
+ { 0, 1, 2, 3, 4, 5, 0 },
+ { 6,11,10, 9, 8, 7, 6 },
+ { 0, 6, 7, 1, 0, 0, 0 },
+ { 1, 7, 8, 2, 1, 1, 1 },
+ { 2, 8, 9, 3, 2, 2, 2 },
+ { 3, 9,10, 4, 3, 3, 3 },
+ { 4,10,11, 5, 4, 4, 4 },
+ { 5,11, 6, 0, 5, 5, 5 }};
+static int HexPrism_RE [8][7] = { // REVERSED -> EXTERNAL
+ { 0, 5, 4, 3, 2, 1, 0 },
+ { 6,11,10, 9, 8, 7, 6 },
+ { 0, 6, 7, 1, 0, 0, 0 },
+ { 1, 7, 8, 2, 1, 1, 1 },
+ { 2, 8, 9, 3, 2, 2, 2 },
+ { 3, 9,10, 4, 3, 3, 3 },
+ { 4,10,11, 5, 4, 4, 4 },
+ { 5,11, 6, 0, 5, 5, 5 }};
+static int HexPrism_nbN [] = { 6, 6, 4, 4, 4, 4, 4, 4 };
+
+
+/*
+// N3
+// +
+// /|\
+// 7/ | \8
+// / |4 \ QUADRATIC
+// N0 +---|---+ N1 TETRAHEDRON
+// \ +9 /
+// \ | /
+// 6\ | /5
+// \|/
+// +
+// N2
+*/
+static int QuadTetra_F [4][7] = { // FORWARD
+ { 0, 4, 1, 5, 2, 6, 0 }, // All faces have external normals
+ { 0, 7, 3, 8, 1, 4, 0 },
+ { 1, 8, 3, 9, 2, 5, 1 },
+ { 0, 6, 2, 9, 3, 7, 0 }};
+static int QuadTetra_RE [4][7] = { // REVERSED -> FORWARD (EXTERNAL)
+ { 0, 6, 2, 5, 1, 4, 0 }, // All faces have external normals
+ { 0, 4, 1, 8, 3, 7, 0 },
+ { 1, 5, 2, 9, 3, 8, 1 },
+ { 0, 7, 3, 9, 2, 6, 0 }};
+static int QuadTetra_nbN [] = { 6, 6, 6, 6 };
+
+//
+// QUADRATIC
+// PYRAMID
+//
+// +4
+//
+//
+// 10+-----+11
+// | | 9 - middle point for (0,4) etc.
+// | |
+// 9+-----+12
+//
+// 6
+// 1+----+----+2
+// | |
+// | |
+// 5+ +7
+// | |
+// | |
+// 0+----+----+3
+// 8
+static int QuadPyram_F [5][9] = { // FORWARD
+ { 0, 5, 1, 6, 2, 7, 3, 8, 0 }, // All faces have external normals
+ { 0, 9, 4, 10,1, 5, 0, 4, 4 },
+ { 1, 10,4, 11,2, 6, 1, 4, 4 },
+ { 2, 11,4, 12,3, 7, 2, 4, 4 },
+ { 3, 12,4, 9, 0, 8, 3, 4, 4 }};
+static int QuadPyram_RE [5][9] = { // REVERSED -> FORWARD (EXTERNAL)
+ { 0, 8, 3, 7, 2, 6, 1, 5, 0 }, // All faces but a bottom have external normals
+ { 0, 5, 1, 10,4, 9, 0, 4, 4 },
+ { 1, 6, 2, 11,4, 10,1, 4, 4 },
+ { 2, 7, 3, 12,4, 11,2, 4, 4 },
+ { 3, 8, 0, 9, 4, 12,3, 4, 4 }};
+static int QuadPyram_nbN [] = { 8, 6, 6, 6, 6 };
+
+/*
+// + N4
+// /|\
+// 9/ | \10
+// / | \
+// / | \
+// N3 +----+----+ N5
+// | |11 |
+// | | |
+// | +13 | QUADRATIC
+// | | | PENTAHEDRON
+// 12+ | +14
+// | | |
+// | | |
+// | + N1 |
+// | / \ |
+// | 6/ \7 |
+// | / \ |
+// |/ \|
+// N0 +---------+ N2
+// 8
+*/
+static int QuadPenta_F [5][9] = { // FORWARD
+ { 0, 6, 1, 7, 2, 8, 0, 0, 0 },
+ { 3, 11,5, 10,4, 9, 3, 3, 3 },
+ { 0, 12,3, 9, 4, 13,1, 6, 0 },
+ { 1, 13,4, 10,5, 14,2, 7, 1 },
+ { 0, 8, 2, 14,5, 11,3, 12,0 }};
+static int QuadPenta_RE [5][9] = { // REVERSED -> EXTERNAL
+ { 0, 8, 2, 7, 1, 6, 0, 0, 0 },
+ { 3, 9, 4, 10,5, 11,3, 3, 3 },
+ { 0, 6, 1, 13,4, 9, 3, 12,0 },
+ { 1, 7, 2, 14,5, 10,4, 13,1 },
+ { 0, 12,3, 11,5, 14,2, 8, 0 }};
+static int QuadPenta_nbN [] = { 6, 6, 8, 8, 8 };
+
+/*
+// 13
+// N5+-----+-----+N6 +-----+-----+
+// /| /| /| /|
+// 12+ | 14+ | + | +25 + |
+// / | / | / | / |
+// N4+-----+-----+N7 | QUADRATIC +-----+-----+ | Central nodes
+// | | 15 | | HEXAHEDRON | | | | of tri-quadratic
+// | | | | | | | | HEXAHEDRON
+// | 17+ | +18 | + 22+ | +
+// | | | | |21 | | |
+// | | | | | + | 26+ | + |
+// | | | | | | |23 |
+// 16+ | +19 | + | +24 + |
+// | | | | | | | |
+// | | 9 | | | | | |
+// | N1+-----+-|---+N2 | +-----+-|---+
+// | / | / | / | /
+// | +8 | +10 | + 20+ | +
+// |/ |/ |/ |/
+// N0+-----+-----+N3 +-----+-----+
+// 11
+*/
+static int QuadHexa_F [6][9] = { // FORWARD
+ { 0, 8, 1, 9, 2, 10,3, 11,0 }, // all face normals are external,
+ { 4, 15,7, 14,6, 13,5, 12,4 },
+ { 0, 16,4, 12,5, 17,1, 8, 0 },
+ { 1, 17,5, 13,6, 18,2, 9, 1 },
+ { 3, 10,2, 18,6, 14,7, 19,3 },
+ { 0, 11,3, 19,7, 15,4, 16,0 }};
+static int QuadHexa_RE [6][9] = { // REVERSED -> EXTERNAL
+ { 0, 11,3, 10,2, 9, 1, 8, 0 }, // all face normals are external
+ { 4, 12,5, 13,6, 14,7, 15,4 },
+ { 0, 8, 1, 17,5, 12,4, 16,0 },
+ { 1, 9, 2, 18,6, 13,5, 17,1 },
+ { 3, 19,7, 14,6, 18,2, 10,3 },
+ { 0, 16,4, 15,7, 19,3, 11,0 }};
+static int QuadHexa_nbN [] = { 8, 8, 8, 8, 8, 8 };
+
+static int TriQuadHexa_F [6][9] = { // FORWARD
+ { 0, 8, 1, 9, 2, 10,3, 11, 20 }, // all face normals are external
+ { 4, 15,7, 14,6, 13,5, 12, 25 },
+ { 0, 16,4, 12,5, 17,1, 8, 21 },
+ { 1, 17,5, 13,6, 18,2, 9, 22 },
+ { 3, 10,2, 18,6, 14,7, 19, 23 },
+ { 0, 11,3, 19,7, 15,4, 16, 24 }};
+static int TriQuadHexa_RE [6][9] = { // REVERSED -> EXTERNAL
+ { 0, 11,3, 10,2, 9, 1, 8, 20 }, // opposite faces are neighbouring,
+ { 4, 12,5, 13,6, 14,7, 15, 25 }, // all face normals are external
+ { 0, 8, 1, 17,5, 12,4, 16, 21 },
+ { 1, 9, 2, 18,6, 13,5, 17, 22 },
+ { 3, 19,7, 14,6, 18,2, 10, 23 },
+ { 0, 16,4, 15,7, 19,3, 11, 24 }};
+static int TriQuadHexa_nbN [] = { 9, 9, 9, 9, 9, 9 };
+
// ========================================================
// to perform some calculations without linkage to CASCADE
// ========================================================
+namespace
+{
struct XYZ {
double x;
double y;
XYZ( double X, double Y, double Z ) { x = X; y = Y; z = Z; }
XYZ( const XYZ& other ) { x = other.x; y = other.y; z = other.z; }
XYZ( const SMDS_MeshNode* n ) { x = n->X(); y = n->Y(); z = n->Z(); }
- XYZ operator-( const XYZ& other );
- XYZ Crossed( const XYZ& other );
- double Dot( const XYZ& other );
- double Magnitude();
+ inline XYZ operator-( const XYZ& other );
+ inline XYZ operator+( const XYZ& other );
+ inline XYZ Crossed( const XYZ& other );
+ inline double Dot( const XYZ& other );
+ inline double Magnitude();
+ inline double SquareMagnitude();
};
-XYZ XYZ::operator-( const XYZ& Right ) {
+inline XYZ XYZ::operator-( const XYZ& Right ) {
return XYZ(x - Right.x, y - Right.y, z - Right.z);
}
-XYZ XYZ::Crossed( const XYZ& Right ) {
+inline XYZ XYZ::operator+( const XYZ& Right ) {
+ return XYZ(x + Right.x, y + Right.y, z + Right.z);
+}
+inline XYZ XYZ::Crossed( const XYZ& Right ) {
return XYZ (y * Right.z - z * Right.y,
z * Right.x - x * Right.z,
x * Right.y - y * Right.x);
}
-double XYZ::Dot( const XYZ& Other ) {
+inline double XYZ::Dot( const XYZ& Other ) {
return(x * Other.x + y * Other.y + z * Other.z);
}
-double XYZ::Magnitude() {
+inline double XYZ::Magnitude() {
return sqrt (x * x + y * y + z * z);
}
+inline double XYZ::SquareMagnitude() {
+ return (x * x + y * y + z * z);
+}
+
+ //================================================================================
+ /*!
+ * \brief Return linear type corresponding to a quadratic one
+ */
+ //================================================================================
+
+ SMDS_VolumeTool::VolumeType quadToLinear(SMDS_VolumeTool::VolumeType quadType)
+ {
+ SMDS_VolumeTool::VolumeType linType = SMDS_VolumeTool::VolumeType( int(quadType)-4 );
+ const int nbCornersByQuad = SMDS_VolumeTool::NbCornerNodes( quadType );
+ if ( SMDS_VolumeTool::NbCornerNodes( linType ) == nbCornersByQuad )
+ return linType;
+
+ int iLin = 0;
+ for ( ; iLin < SMDS_VolumeTool::NB_VOLUME_TYPES; ++iLin )
+ if ( SMDS_VolumeTool::NbCornerNodes( SMDS_VolumeTool::VolumeType( iLin )) == nbCornersByQuad)
+ return SMDS_VolumeTool::VolumeType( iLin );
+
+ return SMDS_VolumeTool::UNKNOWN;
+ }
+
+} // namespace
//=======================================================================
//function : SMDS_VolumeTool
//=======================================================================
SMDS_VolumeTool::SMDS_VolumeTool ()
- : myVolume( 0 ),
- myVolForward( true ),
- myNbFaces( 0 ),
- myVolumeNbNodes( 0 ),
- myForwardFaces( false ),
- myExternalFaces( false )
+ : myVolumeNodes( NULL ),
+ myFaceNodes( NULL )
{
+ Set( 0 );
}
+
//=======================================================================
//function : SMDS_VolumeTool
//purpose :
//=======================================================================
-SMDS_VolumeTool::SMDS_VolumeTool (const SMDS_MeshElement* theVolume)
- : myForwardFaces( false ),
- myExternalFaces( false )
+SMDS_VolumeTool::SMDS_VolumeTool (const SMDS_MeshElement* theVolume,
+ const bool ignoreCentralNodes)
+ : myVolumeNodes( NULL ),
+ myFaceNodes( NULL )
{
- Set( theVolume );
+ Set( theVolume, ignoreCentralNodes );
}
//=======================================================================
SMDS_VolumeTool::~SMDS_VolumeTool()
{
+ if ( myVolumeNodes != NULL ) delete [] myVolumeNodes;
+ if ( myFaceNodes != NULL ) delete [] myFaceNodes;
+
+ myFaceNodeIndices = NULL;
+ myVolumeNodes = myFaceNodes = NULL;
}
//=======================================================================
//purpose : Set volume to iterate on
//=======================================================================
-bool SMDS_VolumeTool::Set (const SMDS_MeshElement* theVolume)
+bool SMDS_VolumeTool::Set (const SMDS_MeshElement* theVolume,
+ const bool ignoreCentralNodes)
{
+ // reset fields
myVolume = 0;
+ myPolyedre = 0;
+ myIgnoreCentralNodes = ignoreCentralNodes;
+
myVolForward = true;
- myCurFace = -1;
- myVolumeNbNodes = 0;
myNbFaces = 0;
- if ( theVolume && theVolume->GetType() == SMDSAbs_Volume )
- {
- myVolumeNbNodes = theVolume->NbNodes();
- switch ( myVolumeNbNodes ) {
- case 4:
- 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 == 6 )
- myFaceNbNodes = Penta_nbN;
- else
- myFaceNbNodes = Hexa_nbN;
- break;
- // 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() );
- bool diffDir = ( botNormal.Dot( upDir ) < 0 );
- myVolForward = ( myVolumeNbNodes == 6 ? diffDir : !diffDir );
+ myVolumeNbNodes = 0;
+ if (myVolumeNodes != NULL) {
+ delete [] myVolumeNodes;
+ myVolumeNodes = NULL;
+ }
+ myPolyIndices.clear();
- }
- default: myVolume = 0;
- }
+ myExternalFaces = false;
+
+ myAllFacesNodeIndices_F = 0;
+ //myAllFacesNodeIndices_FE = 0;
+ myAllFacesNodeIndices_RE = 0;
+ myAllFacesNbNodes = 0;
+
+ myCurFace = -1;
+ myFaceNbNodes = 0;
+ myFaceNodeIndices = NULL;
+ if (myFaceNodes != NULL) {
+ delete [] myFaceNodes;
+ myFaceNodes = NULL;
+ }
+
+ // set volume data
+ if ( !theVolume || theVolume->GetType() != SMDSAbs_Volume )
+ return false;
+
+ myVolume = theVolume;
+ if (myVolume->IsPoly())
+ myPolyedre = dynamic_cast<const SMDS_VtkVolume*>( myVolume );
+
+ myNbFaces = theVolume->NbFaces();
+ myVolumeNbNodes = theVolume->NbNodes();
+
+ // set 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() );
+
+ // check validity
+ if ( !setFace(0) )
+ return ( myVolume = 0 );
+
+ if ( !myPolyedre )
+ {
+ // define volume orientation
+ XYZ botNormal;
+ GetFaceNormal( 0, botNormal.x, botNormal.y, botNormal.z );
+ const SMDS_MeshNode* botNode = myVolumeNodes[ 0 ];
+ int topNodeIndex = myVolume->NbCornerNodes() - 1;
+ while ( !IsLinked( 0, topNodeIndex, /*ignoreMediumNodes=*/true )) --topNodeIndex;
+ const SMDS_MeshNode* topNode = myVolumeNodes[ topNodeIndex ];
+ XYZ upDir (topNode->X() - botNode->X(),
+ topNode->Y() - botNode->Y(),
+ topNode->Z() - botNode->Z() );
+ myVolForward = ( botNormal.Dot( upDir ) < 0 );
+
+ if ( !myVolForward )
+ myCurFace = -1; // previous setFace(0) didn't take myVolForward into account
}
- return ( myVolume != 0 );
+ return true;
}
//=======================================================================
-//function : GetInverseNodes
-//purpose : Return nodes vector of an inverse volume
+//function : Inverse
+//purpose : Inverse volume
//=======================================================================
-#define SWAP_NODES(nodes,i1,i2) \
-{ \
+#define SWAP_NODES(nodes,i1,i2) \
+{ \
const SMDS_MeshNode* tmp = nodes[ i1 ]; \
- nodes[ i1 ] = nodes[ i2 ]; \
+ nodes[ i1 ] = nodes[ i2 ]; \
nodes[ i2 ] = tmp; \
}
void SMDS_VolumeTool::Inverse ()
{
if ( !myVolume ) return;
+ if (myVolume->IsPoly()) {
+ MESSAGE("Warning: attempt to inverse polyhedral volume");
+ return;
+ }
+
myVolForward = !myVolForward;
myCurFace = -1;
case 4:
SWAP_NODES( myVolumeNodes, 1, 2 );
break;
+ case 5:
+ SWAP_NODES( myVolumeNodes, 1, 3 );
+ break;
case 6:
SWAP_NODES( myVolumeNodes, 1, 2 );
SWAP_NODES( myVolumeNodes, 4, 5 );
SWAP_NODES( myVolumeNodes, 1, 3 );
SWAP_NODES( myVolumeNodes, 5, 7 );
break;
+ case 12:
+ SWAP_NODES( myVolumeNodes, 1, 5 );
+ SWAP_NODES( myVolumeNodes, 2, 4 );
+ SWAP_NODES( myVolumeNodes, 7, 11 );
+ SWAP_NODES( myVolumeNodes, 8, 10 );
+ break;
+
+ case 10:
+ SWAP_NODES( myVolumeNodes, 1, 2 );
+ SWAP_NODES( myVolumeNodes, 4, 6 );
+ SWAP_NODES( myVolumeNodes, 8, 9 );
+ break;
+ case 13:
+ SWAP_NODES( myVolumeNodes, 1, 3 );
+ SWAP_NODES( myVolumeNodes, 5, 8 );
+ SWAP_NODES( myVolumeNodes, 6, 7 );
+ SWAP_NODES( myVolumeNodes, 10, 12 );
+ break;
+ case 15:
+ SWAP_NODES( myVolumeNodes, 1, 2 );
+ SWAP_NODES( myVolumeNodes, 4, 5 );
+ SWAP_NODES( myVolumeNodes, 6, 8 );
+ SWAP_NODES( myVolumeNodes, 9, 11 );
+ SWAP_NODES( myVolumeNodes, 13, 14 );
+ break;
+ case 20:
+ SWAP_NODES( myVolumeNodes, 1, 3 );
+ SWAP_NODES( myVolumeNodes, 5, 7 );
+ SWAP_NODES( myVolumeNodes, 8, 11 );
+ SWAP_NODES( myVolumeNodes, 9, 10 );
+ SWAP_NODES( myVolumeNodes, 12, 15 );
+ SWAP_NODES( myVolumeNodes, 13, 14 );
+ SWAP_NODES( myVolumeNodes, 17, 19 );
+ break;
+ case 27:
+ SWAP_NODES( myVolumeNodes, 1, 3 );
+ SWAP_NODES( myVolumeNodes, 5, 7 );
+ SWAP_NODES( myVolumeNodes, 8, 11 );
+ SWAP_NODES( myVolumeNodes, 9, 10 );
+ SWAP_NODES( myVolumeNodes, 12, 15 );
+ SWAP_NODES( myVolumeNodes, 13, 14 );
+ SWAP_NODES( myVolumeNodes, 17, 19 );
+ SWAP_NODES( myVolumeNodes, 21, 24 );
+ SWAP_NODES( myVolumeNodes, 22, 23 );
+ break;
default:;
}
}
+//=======================================================================
+//function : GetVolumeType
+//purpose :
+//=======================================================================
+
+SMDS_VolumeTool::VolumeType SMDS_VolumeTool::GetVolumeType() const
+{
+ if ( myPolyedre )
+ return POLYHEDA;
+
+ switch( myVolumeNbNodes ) {
+ case 4: return TETRA;
+ case 5: return PYRAM;
+ case 6: return PENTA;
+ case 8: return HEXA;
+ case 12: return HEX_PRISM;
+ case 10: return QUAD_TETRA;
+ case 13: return QUAD_PYRAM;
+ case 15: return QUAD_PENTA;
+ case 20: return QUAD_HEXA;
+ case 27: return QUAD_HEXA;
+ default: break;
+ }
+
+ 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
+
+ int saveCurFace = myCurFace;
+ SMDS_VolumeTool* me = const_cast< SMDS_VolumeTool* > ( this );
+ for ( int f = 0; f < NbFaces(); ++f )
+ {
+ me->setFace( f );
+ XYZ area (0,0,0), p1( myFaceNodes[0] );
+ for ( int n = 0; n < myFaceNbNodes; ++n )
+ {
+ XYZ p2( myFaceNodes[ n+1 ]);
+ area = area + p1.Crossed( p2 );
+ p1 = p2;
+ }
+ V += p1.Dot( area );
+ }
+ V /= 6;
+ if ( saveCurFace > -1 && saveCurFace != myCurFace )
+ me->setFace( myCurFace );
+ }
+ else
+ {
+ const static int ind[] = {
+ 0, 1, 3, 6, 11, 23, 31, 44, 58, 78 };
+ const static int vtab[][4] = { // decomposition into tetra in the order of enum VolumeType
+ // 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 },
+ // hexagonal prism
+ { 0, 1, 2, 7 },
+ { 0, 7, 8, 6 },
+ { 2, 7, 8, 0 },
+
+ { 0, 3, 4, 9 },
+ { 0, 9, 10, 6 },
+ { 4, 9, 10, 0 },
+
+ { 0, 3, 4, 9 },
+ { 0, 9, 10, 6 },
+ { 4, 9, 10, 0 },
+
+ { 0, 4, 5, 10 },
+ { 0, 10, 11, 6 },
+ { 5, 10, 11, 0 },
+
+ // quadratic tetrahedron
+ { 0, 4, 6, 7 },
+ { 1, 5, 4, 8 },
+ { 2, 6, 5, 9 },
+ { 7, 8, 9, 3 },
+ { 4, 6, 7, 9 },
+ { 4, 5, 6, 9 },
+ { 4, 7, 8, 9 },
+ { 4, 5, 9, 8 },
+
+ // quadratic pyramid
+ { 0, 5, 8, 9 },
+ { 1, 5,10, 6 },
+ { 2, 6,11, 7 },
+ { 3, 7,12, 8 },
+ { 4, 9,11,10 },
+ { 4, 9,12,11 },
+ { 10, 5, 9, 8 },
+ { 10, 8, 9,12 },
+ { 10, 8,12, 7 },
+ { 10, 7,12,11 },
+ { 10, 7,11, 6 },
+ { 10, 5, 8, 6 },
+ { 10, 6, 8, 7 },
+
+ // quadratic pentahedron
+ { 12, 0, 8, 6 },
+ { 12, 8, 7, 6 },
+ { 12, 8, 2, 7 },
+ { 12, 6, 7, 1 },
+ { 12, 1, 7,13 },
+ { 12, 7, 2,13 },
+ { 12, 2,14,13 },
+
+ { 12, 3, 9,11 },
+ { 12,11, 9,10 },
+ { 12,11,10, 5 },
+ { 12, 9, 4,10 },
+ { 12,14, 5,10 },
+ { 12,14,10, 4 },
+ { 12,14, 4,13 },
+
+ // quadratic hexahedron
+ { 16, 0,11, 8 },
+ { 16,11, 9, 8 },
+ { 16, 8, 9, 1 },
+ { 16,11, 3,10 },
+ { 16,11,10, 9 },
+ { 16,10, 2, 9 },
+ { 16, 3,19, 2 },
+ { 16, 2,19,18 },
+ { 16, 2,18,17 },
+ { 16, 2,17, 1 },
+
+ { 16, 4,12,15 },
+ { 16,12, 5,13 },
+ { 16,12,13,15 },
+ { 16,13, 6,14 },
+ { 16,13,14,15 },
+ { 16,14, 7,15 },
+ { 16, 6, 5,17 },
+ { 16,18, 6,17 },
+ { 16,18, 7, 6 },
+ { 16,18,19, 7 },
+
+ };
+
+ 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;
}
//=======================================================================
return true;
}
-//=======================================================================
-//function : SetForwardOrientation
-//purpose : Node order will be as for forward orientation
-//=======================================================================
+//================================================================================
+/*!
+ * \brief Classify a point
+ * \param tol - thickness of faces
+ */
+//================================================================================
-void SMDS_VolumeTool::SetForwardOrientation ()
+bool SMDS_VolumeTool::IsOut(double X, double Y, double Z, double tol) const
{
- myForwardFaces = true;
+ // LIMITATION: for convex volumes only
+ XYZ p( X,Y,Z );
+ for ( int iF = 0; iF < myNbFaces; ++iF )
+ {
+ XYZ faceNormal;
+ if ( !GetFaceNormal( iF, faceNormal.x, faceNormal.y, faceNormal.z ))
+ continue;
+ if ( !IsFaceExternal( iF ))
+ faceNormal = XYZ() - faceNormal; // reverse
+
+ XYZ face2p( p - XYZ( myFaceNodes[0] ));
+ if ( face2p.Dot( faceNormal ) > tol )
+ return true;
+ }
+ return false;
}
//=======================================================================
void SMDS_VolumeTool::SetExternalNormal ()
{
myExternalFaces = true;
+ myCurFace = -1;
}
//=======================================================================
//purpose : Return number of nodes in the array of face nodes
//=======================================================================
-int SMDS_VolumeTool::NbFaceNodes( int faceIndex )
+int SMDS_VolumeTool::NbFaceNodes( int faceIndex ) const
{
- if ( !setFace( faceIndex ))
- return 0;
- return myFaceNbNodes[ faceIndex ];
+ if ( !setFace( faceIndex ))
+ return 0;
+ return myFaceNbNodes;
}
//=======================================================================
// the last node == the first one.
//=======================================================================
-const SMDS_MeshNode** SMDS_VolumeTool::GetFaceNodes( int faceIndex )
+const SMDS_MeshNode** SMDS_VolumeTool::GetFaceNodes( int faceIndex ) const
{
if ( !setFace( faceIndex ))
return 0;
// the last node index == the first one.
//=======================================================================
-const int* SMDS_VolumeTool::GetFaceNodesIndices( int faceIndex )
+const int* SMDS_VolumeTool::GetFaceNodesIndices( int faceIndex ) const
{
if ( !setFace( faceIndex ))
return 0;
+
+ if (myPolyedre)
+ {
+ SMDS_VolumeTool* me = const_cast< SMDS_VolumeTool* > ( this );
+ me->myPolyIndices.resize( myFaceNbNodes + 1 );
+ me->myFaceNodeIndices = & me->myPolyIndices[0];
+ for ( int i = 0; i <= myFaceNbNodes; ++i )
+ me->myFaceNodeIndices[i] = myVolume->GetNodeIndex( myFaceNodes[i] );
+ }
return myFaceNodeIndices;
}
//purpose : Return a set of face nodes.
//=======================================================================
-bool SMDS_VolumeTool::GetFaceNodes (int faceIndex,
- std::set<const SMDS_MeshNode*>& theFaceNodes )
+bool SMDS_VolumeTool::GetFaceNodes (int faceIndex,
+ set<const SMDS_MeshNode*>& theFaceNodes ) const
{
if ( !setFace( faceIndex ))
return false;
theFaceNodes.clear();
- int iNode, nbNode = myFaceNbNodes[ faceIndex ];
- for ( int iNode = 0; iNode < nbNode; iNode++ )
- theFaceNodes.insert( myFaceNodes[ iNode ]);
-
+ theFaceNodes.insert( myFaceNodes, myFaceNodes + myFaceNbNodes );
+
return true;
}
//=======================================================================
//function : IsFaceExternal
-//purpose : Check normal orientation of a returned face
+//purpose : Check normal orientation of a given face
//=======================================================================
-bool SMDS_VolumeTool::IsFaceExternal( int faceIndex )
+bool SMDS_VolumeTool::IsFaceExternal( int faceIndex ) const
{
if ( myExternalFaces || !myVolume )
return true;
- bool reversed = ( !myForwardFaces && !myVolForward );
- switch ( myVolumeNbNodes ) {
- case 4:
- // only the bottom of a forward tetrahedron can be internal
- return ( reversed || faceIndex != 0 );
- case 6:
- // in a forward pentahedron, the top is internal, in a reversed one - bottom
- return ( reversed ? faceIndex != 0 : faceIndex != 1 );
- case 8: {
- // in a forward hexahedron, odd face normal is external, else vice versa
- bool odd = faceIndex % 2;
- return ( reversed ? !odd : odd );
- }
- default:;
+ 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;
}
- return false;
+
+ // switch ( myVolumeNbNodes ) {
+ // case 4:
+ // case 5:
+ // case 10:
+ // case 13:
+ // // only the bottom of a reversed tetrahedron can be internal
+ // return ( myVolForward || faceIndex != 0 );
+ // case 6:
+ // case 15:
+ // case 12:
+ // // in a forward prism, the top is internal, in a reversed one - bottom
+ // return ( myVolForward ? faceIndex != 1 : faceIndex != 0 );
+ // case 8:
+ // case 20:
+ // case 27: {
+ // // in a forward hexahedron, even face normal is external, odd - internal
+ // bool odd = faceIndex % 2;
+ // return ( myVolForward ? !odd : odd );
+ // }
+ // default:;
+ // }
+ // return false;
+ return true;
}
//=======================================================================
//purpose : Return a normal to a face
//=======================================================================
-bool SMDS_VolumeTool::GetFaceNormal (int faceIndex, double & X, double & Y, double & Z)
+bool SMDS_VolumeTool::GetFaceNormal (int faceIndex, double & X, double & Y, double & Z) const
{
if ( !setFace( faceIndex ))
return false;
- XYZ p1 ( myFaceNodes[0] );
- XYZ p2 ( myFaceNodes[1] );
- XYZ p3 ( myFaceNodes[2] );
+ const int iQuad = ( myFaceNbNodes > 6 && !myPolyedre ) ? 2 : 1;
+ XYZ p1 ( myFaceNodes[0*iQuad] );
+ XYZ p2 ( myFaceNodes[1*iQuad] );
+ XYZ p3 ( myFaceNodes[2*iQuad] );
XYZ aVec12( p2 - p1 );
XYZ aVec13( p3 - p1 );
XYZ cross = aVec12.Crossed( aVec13 );
+ if ( myFaceNbNodes >3*iQuad ) {
+ XYZ p4 ( myFaceNodes[3*iQuad] );
+ XYZ aVec14( p4 - p1 );
+ XYZ cross2 = aVec13.Crossed( aVec14 );
+ cross = cross + cross2;
+ }
+
double size = cross.Magnitude();
- if ( size <= DBL_MIN )
+ if ( size <= numeric_limits<double>::min() )
return false;
X = cross.x / size;
return true;
}
+//================================================================================
+/*!
+ * \brief Return barycenter of a face
+ */
+//================================================================================
+
+bool SMDS_VolumeTool::GetFaceBaryCenter (int faceIndex, double & X, double & Y, double & Z) const
+{
+ if ( !setFace( faceIndex ))
+ return false;
+
+ X = Y = Z = 0.0;
+ for ( int i = 0; i < myFaceNbNodes; ++i )
+ {
+ X += myFaceNodes[i]->X() / myFaceNbNodes;
+ Y += myFaceNodes[i]->Y() / myFaceNbNodes;
+ Z += myFaceNodes[i]->Z() / myFaceNbNodes;
+ }
+ return true;
+}
//=======================================================================
//function : GetFaceArea
//purpose : Return face area
//=======================================================================
-double SMDS_VolumeTool::GetFaceArea( int faceIndex )
+double SMDS_VolumeTool::GetFaceArea( int faceIndex ) const
{
+ 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;
return area;
}
+//================================================================================
+/*!
+ * \brief Return index of the node located at face center of a quadratic element like HEX27
+ */
+//================================================================================
+
+int SMDS_VolumeTool::GetCenterNodeIndex( int faceIndex ) const
+{
+ if ( myAllFacesNbNodes && myVolumeNbNodes == 27 ) // classic element with 27 nodes
+ {
+ switch ( faceIndex ) {
+ case 0: return 20;
+ case 1: return 25;
+ default:
+ return faceIndex + 19;
+ }
+ }
+ return -1;
+}
+
//=======================================================================
//function : GetOppFaceIndex
//purpose : Return index of the opposite face if it exists, else -1.
int SMDS_VolumeTool::GetOppFaceIndex( int faceIndex ) const
{
int ind = -1;
+ if (myPolyedre) {
+ MESSAGE("Warning: attempt to obtain opposite face on polyhedral volume");
+ return ind;
+ }
+
+ const int nbHoriFaces = 2;
+
if ( faceIndex >= 0 && faceIndex < NbFaces() ) {
switch ( myVolumeNbNodes ) {
case 6:
+ case 15:
if ( faceIndex == 0 || faceIndex == 1 )
ind = 1 - faceIndex;
- break;
+ break;
case 8:
- ind = faceIndex + ( faceIndex % 2 ? -1 : 1 );
+ case 12:
+ if ( faceIndex <= 1 ) // top or bottom
+ ind = 1 - faceIndex;
+ else {
+ const int nbSideFaces = myAllFacesNbNodes[0];
+ ind = ( faceIndex - nbHoriFaces + nbSideFaces/2 ) % nbSideFaces + nbHoriFaces;
+ }
+ break;
+ case 20:
+ case 27:
+ ind = GetOppFaceIndexOfHex( faceIndex );
break;
default:;
}
return ind;
}
+//=======================================================================
+//function : GetOppFaceIndexOfHex
+//purpose : Return index of the opposite face of the hexahedron
+//=======================================================================
+
+int SMDS_VolumeTool::GetOppFaceIndexOfHex( int faceIndex )
+{
+ return Hexa_oppF[ faceIndex ];
+}
+
//=======================================================================
//function : IsLinked
//purpose : return true if theNode1 is linked with theNode2
+// If theIgnoreMediumNodes then corner nodes of quadratic cell are considered linked as well
//=======================================================================
bool SMDS_VolumeTool::IsLinked (const SMDS_MeshNode* theNode1,
- const SMDS_MeshNode* theNode2) const
+ const SMDS_MeshNode* theNode2,
+ const bool theIgnoreMediumNodes) const
{
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++ ) {
+ int i1 = -1, i2 = -1, nbFound = 0;
+ for ( int i = 0; i < myVolumeNbNodes && nbFound < 2; i++ )
+ {
if ( myVolumeNodes[ i ] == theNode1 )
- i1 = i;
+ i1 = i, ++nbFound;
else if ( myVolumeNodes[ i ] == theNode2 )
- i2 = i;
+ i2 = i, ++nbFound;
}
return IsLinked( i1, i2 );
}
//function : IsLinked
//purpose : return true if the node with theNode1Index is linked
// with the node with theNode2Index
+// If theIgnoreMediumNodes then corner nodes of quadratic cell are considered linked as well
//=======================================================================
bool SMDS_VolumeTool::IsLinked (const int theNode1Index,
- const int theNode2Index) const
+ const int theNode2Index,
+ bool theIgnoreMediumNodes) const
{
- int minInd = theNode1Index < theNode2Index ? theNode1Index : theNode2Index;
- int maxInd = theNode1Index < theNode2Index ? theNode2Index : theNode1Index;
+ if ( myVolume->IsPoly() ) {
+ return IsLinked(myVolumeNodes[theNode1Index], myVolumeNodes[theNode2Index]);
+ }
+
+ int minInd = min( theNode1Index, theNode2Index );
+ int maxInd = max( theNode1Index, theNode2Index );
if ( minInd < 0 || maxInd > myVolumeNbNodes - 1 || maxInd == minInd )
return false;
- switch ( myVolumeNbNodes ) {
- case 4:
+ VolumeType type = GetVolumeType();
+ if ( myVolume->IsQuadratic() )
+ {
+ int firstMediumInd = myVolume->NbCornerNodes();
+ if ( minInd >= firstMediumInd )
+ return false; // both nodes are medium - not linked
+ if ( maxInd < firstMediumInd ) // both nodes are corners
+ {
+ if ( theIgnoreMediumNodes )
+ type = quadToLinear(type); // to check linkage of corner nodes only
+ else
+ return false; // corner nodes are not linked directly in a quadratic cell
+ }
+ }
+
+ switch ( type ) {
+ case TETRA:
return true;
- case 6:
+ case HEXA:
switch ( maxInd - minInd ) {
- case 1: return minInd != 2;
- case 2: return minInd == 0 || minInd == 3;
+ case 1: return minInd != 3;
+ case 3: return minInd == 0 || minInd == 4;
+ case 4: return true;
+ default:;
+ }
+ break;
+ case PYRAM:
+ if ( maxInd == 4 )
+ return true;
+ switch ( maxInd - minInd ) {
+ case 1:
case 3: return true;
default:;
}
break;
- case 8:
+ case PENTA:
switch ( maxInd - minInd ) {
- case 1: return minInd != 3;
- case 3: return minInd == 0 || minInd == 4;
- case 4: return true;
+ case 1: return minInd != 2;
+ case 2: return minInd == 0 || minInd == 3;
+ case 3: return true;
default:;
}
break;
+ case QUAD_TETRA:
+ {
+ switch ( minInd ) {
+ case 0: if( maxInd==4 || maxInd==6 || maxInd==7 ) return true;
+ case 1: if( maxInd==4 || maxInd==5 || maxInd==8 ) return true;
+ case 2: if( maxInd==5 || maxInd==6 || maxInd==9 ) return true;
+ case 3: if( maxInd==7 || maxInd==8 || maxInd==9 ) return true;
+ default:;
+ }
+ break;
+ }
+ case QUAD_HEXA:
+ {
+ switch ( minInd ) {
+ case 0: if( maxInd==8 || maxInd==11 || maxInd==16 ) return true;
+ case 1: if( maxInd==8 || maxInd==9 || maxInd==17 ) return true;
+ case 2: if( maxInd==9 || maxInd==10 || maxInd==18 ) return true;
+ case 3: if( maxInd==10 || maxInd==11 || maxInd==19 ) return true;
+ case 4: if( maxInd==12 || maxInd==15 || maxInd==16 ) return true;
+ case 5: if( maxInd==12 || maxInd==13 || maxInd==17 ) return true;
+ case 6: if( maxInd==13 || maxInd==14 || maxInd==18 ) return true;
+ case 7: if( maxInd==14 || maxInd==15 || maxInd==19 ) return true;
+ default:;
+ }
+ break;
+ }
+ case QUAD_PYRAM:
+ {
+ switch ( minInd ) {
+ case 0: if( maxInd==5 || maxInd==8 || maxInd==9 ) return true;
+ case 1: if( maxInd==5 || maxInd==6 || maxInd==10 ) return true;
+ case 2: if( maxInd==6 || maxInd==7 || maxInd==11 ) return true;
+ case 3: if( maxInd==7 || maxInd==8 || maxInd==12 ) return true;
+ case 4: if( maxInd==9 || maxInd==10 || maxInd==11 || maxInd==12 ) return true;
+ default:;
+ }
+ break;
+ }
+ case QUAD_PENTA:
+ {
+ switch ( minInd ) {
+ case 0: if( maxInd==6 || maxInd==8 || maxInd==12 ) return true;
+ case 1: if( maxInd==6 || maxInd==7 || maxInd==13 ) return true;
+ case 2: if( maxInd==7 || maxInd==8 || maxInd==14 ) return true;
+ case 3: if( maxInd==9 || maxInd==11 || maxInd==12 ) return true;
+ case 4: if( maxInd==9 || maxInd==10 || maxInd==13 ) return true;
+ case 5: if( maxInd==10 || maxInd==11 || maxInd==14 ) return true;
+ default:;
+ }
+ break;
+ }
+ case HEX_PRISM:
+ {
+ const int diff = maxInd-minInd;
+ if ( diff > 6 ) return false;// not linked top and bottom
+ if ( diff == 6 ) return true; // linked top and bottom
+ return diff == 1 || diff == 7;
+ }
default:;
}
return false;
return -1;
}
+//================================================================================
+/*!
+ * \brief Fill vector with boundary faces existing in the mesh
+ * \param faces - vector of found nodes
+ * \retval int - nb of found faces
+ */
+//================================================================================
-//=======================================================================
-//function : IsFreeFace
-//purpose : check that only one volume is build on the face nodes
-//=======================================================================
+int SMDS_VolumeTool::GetAllExistingFaces(vector<const SMDS_MeshElement*> & faces) const
+{
+ faces.clear();
+ for ( int iF = 0; iF < NbFaces(); ++iF ) {
+ const SMDS_MeshFace* face = 0;
+ const SMDS_MeshNode** nodes = GetFaceNodes( iF );
+ switch ( NbFaceNodes( iF )) {
+ case 3:
+ face = SMDS_Mesh::FindFace( nodes[0], nodes[1], nodes[2] ); break;
+ case 4:
+ face = SMDS_Mesh::FindFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
+ case 6:
+ face = SMDS_Mesh::FindFace( nodes[0], nodes[1], nodes[2],
+ nodes[3], nodes[4], nodes[5]); break;
+ case 8:
+ face = SMDS_Mesh::FindFace( nodes[0], nodes[1], nodes[2], nodes[3],
+ nodes[4], nodes[5], nodes[6], nodes[7]); break;
+ }
+ if ( face )
+ faces.push_back( face );
+ }
+ return faces.size();
+}
+
+
+//================================================================================
+/*!
+ * \brief Fill vector with boundary edges existing in the mesh
+ * \param edges - vector of found edges
+ * \retval int - nb of found faces
+ */
+//================================================================================
-bool SMDS_VolumeTool::IsFreeFace( int faceIndex )
+int SMDS_VolumeTool::GetAllExistingEdges(vector<const SMDS_MeshElement*> & edges) const
{
- const int free = true;
- if ( !setFace( faceIndex ))
- return !free;
+ edges.clear();
+ edges.reserve( myVolumeNbNodes * 2 );
+ for ( int i = 0; i < myVolumeNbNodes-1; ++i ) {
+ for ( int j = i + 1; j < myVolumeNbNodes; ++j ) {
+ if ( IsLinked( i, j )) {
+ const SMDS_MeshElement* edge =
+ SMDS_Mesh::FindEdge( myVolumeNodes[i], myVolumeNodes[j] );
+ if ( edge )
+ edges.push_back( edge );
+ }
+ }
+ }
+ return edges.size();
+}
+
+//================================================================================
+/*!
+ * \brief Return minimal square distance between connected corner nodes
+ */
+//================================================================================
+
+double SMDS_VolumeTool::MinLinearSize2() const
+{
+ double minSize = 1e+100;
+ int iQ = myVolume->IsQuadratic() ? 2 : 1;
+
+ // store current face data
+ int curFace = myCurFace, nbN = myFaceNbNodes;
+ int* ind = myFaceNodeIndices;
+ myFaceNodeIndices = NULL;
+ const SMDS_MeshNode** nodes = myFaceNodes;
+ myFaceNodes = NULL;
+
+ // it seems that compute distance twice is faster than organization of a sole computing
+ myCurFace = -1;
+ for ( int iF = 0; iF < myNbFaces; ++iF )
+ {
+ setFace( iF );
+ for ( int iN = 0; iN < myFaceNbNodes; iN += iQ )
+ {
+ XYZ n1( myFaceNodes[ iN ]);
+ XYZ n2( myFaceNodes[(iN + iQ) % myFaceNbNodes]);
+ minSize = std::min( minSize, (n1 - n2).SquareMagnitude());
+ }
+ }
+ // restore current face data
+ myCurFace = curFace;
+ myFaceNbNodes = nbN;
+ myFaceNodeIndices = ind;
+ delete [] myFaceNodes; myFaceNodes = nodes;
+
+ return minSize;
+}
+
+//================================================================================
+/*!
+ * \brief Return maximal square distance between connected corner nodes
+ */
+//================================================================================
+
+double SMDS_VolumeTool::MaxLinearSize2() const
+{
+ double maxSize = -1e+100;
+ int iQ = myVolume->IsQuadratic() ? 2 : 1;
+
+ // store current face data
+ int curFace = myCurFace, nbN = myFaceNbNodes;
+ int* ind = myFaceNodeIndices;
+ myFaceNodeIndices = NULL;
+ const SMDS_MeshNode** nodes = myFaceNodes;
+ myFaceNodes = NULL;
+
+ // it seems that compute distance twice is faster than organization of a sole computing
+ myCurFace = -1;
+ for ( int iF = 0; iF < myNbFaces; ++iF )
+ {
+ setFace( iF );
+ for ( int iN = 0; iN < myFaceNbNodes; iN += iQ )
+ {
+ XYZ n1( myFaceNodes[ iN ]);
+ XYZ n2( myFaceNodes[(iN + iQ) % myFaceNbNodes]);
+ maxSize = std::max( maxSize, (n1 - n2).SquareMagnitude());
+ }
+ }
+ // restore current face data
+ myCurFace = curFace;
+ myFaceNbNodes = nbN;
+ myFaceNodeIndices = ind;
+ delete [] myFaceNodes; myFaceNodes = nodes;
+
+ return maxSize;
+}
+
+//================================================================================
+/*!
+ * \brief fast check that only one volume is build on the face nodes
+ */
+//================================================================================
+
+bool SMDS_VolumeTool::IsFreeFace( int faceIndex, const SMDS_MeshElement** otherVol/*=0*/ ) const
+{
+ const bool isFree = true;
+
+ if (!setFace( faceIndex ))
+ return !isFree;
const SMDS_MeshNode** nodes = GetFaceNodes( faceIndex );
- int nbFaceNodes = NbFaceNodes( faceIndex );
- // evaluate nb of face nodes shared by other volume
+ // a set of facet nodes w/o medium ones and w/o nodes[0]
+ set< const SMDS_MeshElement* > nodeSet;
+ const int di = myVolume->IsQuadratic() ? 2 : 1;
+ for ( int i = di; i < myFaceNbNodes; i += di )
+ nodeSet.insert( nodes[i] );
+
+ SMDS_ElemIteratorPtr eIt = nodes[0]->GetInverseElementIterator( SMDSAbs_Volume );
+ SMDS_ElemIteratorPtr nIt;
+ while ( eIt->more() ) {
+ const SMDS_MeshElement* vol = eIt->next();
+ if ( vol != myVolume ) {
+ size_t nbShared = 0;
+ if ( const SMDS_VtkVolume* v = dynamic_cast< const SMDS_VtkVolume* >( vol ))
+ nIt = v->uniqueNodesIterator();
+ else
+ nIt = vol->nodesIterator();
+ while ( nIt->more() )
+ if (( nbShared += nodeSet.count( nIt->next() )) == nodeSet.size() )
+ {
+ if ( otherVol ) *otherVol = vol;
+ return !isFree;
+ }
+ }
+ }
+ if ( otherVol ) *otherVol = 0;
+ return isFree;
+}
+
+//================================================================================
+/*!
+ * \brief Thorough check that only one volume is build on the face nodes
+ */
+//================================================================================
+
+bool SMDS_VolumeTool::IsFreeFaceAdv( int faceIndex, const SMDS_MeshElement** otherVol/*=0*/ ) const
+{
+ const bool isFree = true;
+
+ if (!setFace( faceIndex ))
+ return !isFree;
+
+ const SMDS_MeshNode** nodes = GetFaceNodes( faceIndex );
+ const int nbFaceNodes = myFaceNbNodes;
+
+ // evaluate nb of face nodes shared by other volumes
int maxNbShared = -1;
typedef map< const SMDS_MeshElement*, int > TElemIntMap;
TElemIntMap volNbShared;
TElemIntMap::iterator vNbIt;
- for ( int iNode = 0; iNode < nbFaceNodes; iNode++ )
- {
+ for ( int iNode = 0; iNode < nbFaceNodes; iNode++ ) {
const SMDS_MeshNode* n = nodes[ iNode ];
- SMDS_ElemIteratorPtr eIt = n->GetInverseElementIterator();
+ SMDS_ElemIteratorPtr eIt = n->GetInverseElementIterator( SMDSAbs_Volume );
while ( eIt->more() ) {
const SMDS_MeshElement* elem = eIt->next();
- if ( elem != myVolume && elem->GetType() == SMDSAbs_Volume ) {
- int nbShared = 1;
- vNbIt = volNbShared.find( elem );
- if ( vNbIt == volNbShared.end() )
- volNbShared.insert ( TElemIntMap::value_type( elem, nbShared ));
- else
- nbShared = ++(*vNbIt).second;
- if ( nbShared > maxNbShared )
- maxNbShared = nbShared;
+ if ( elem != myVolume ) {
+ vNbIt = volNbShared.insert( make_pair( elem, 0 )).first;
+ (*vNbIt).second++;
+ if ( vNbIt->second > maxNbShared )
+ maxNbShared = vNbIt->second;
}
}
}
if ( maxNbShared < 3 )
- return free; // is free
+ return isFree; // is free
// find volumes laying on the opposite side of the face
// and sharing all nodes
if ( IsFaceExternal( faceIndex ))
intNormal = XYZ( -intNormal.x, -intNormal.y, -intNormal.z );
XYZ p0 ( nodes[0] ), baryCenter;
- for ( vNbIt = volNbShared.begin(); vNbIt != volNbShared.end(); vNbIt++ )
- {
- int nbShared = (*vNbIt).second;
+ for ( vNbIt = volNbShared.begin(); vNbIt != volNbShared.end(); ) {
+ const int& nbShared = (*vNbIt).second;
if ( nbShared >= 3 ) {
SMDS_VolumeTool volume( (*vNbIt).first );
volume.GetBaryCenter( baryCenter.x, baryCenter.y, baryCenter.z );
XYZ intNormal2( baryCenter - p0 );
- if ( intNormal.Dot( intNormal2 ) < 0 )
- continue; // opposite side
+ if ( intNormal.Dot( intNormal2 ) < 0 ) {
+ // opposite side
+ if ( nbShared >= nbFaceNodes )
+ {
+ // a volume shares the whole facet
+ if ( otherVol ) *otherVol = vNbIt->first;
+ return !isFree;
+ }
+ ++vNbIt;
+ continue;
+ }
}
// remove a volume from volNbShared map
- volNbShared.erase( vNbIt );
+ volNbShared.erase( vNbIt++ );
+ }
+
+ // here volNbShared contains only volumes laying on the opposite side of
+ // the face and sharing 3 or more but not all face nodes with myVolume
+ if ( volNbShared.size() < 2 ) {
+ return isFree; // is free
}
- // here volNbShared contains only volumes laying on the
- // opposite side of the face
- if ( volNbShared.empty() )
- return free; // is free
// check if the whole area of a face is shared
- bool isShared[] = { false, false, false, false }; // 4 triangle parts of a quadrangle
- for ( vNbIt = volNbShared.begin(); vNbIt != volNbShared.end(); vNbIt++ )
+ for ( int iNode = 0; iNode < nbFaceNodes; iNode++ )
{
- SMDS_VolumeTool volume( (*vNbIt).first );
- bool prevLinkShared = false;
- int nbSharedLinks = 0;
- for ( int iNode = 0; iNode < nbFaceNodes; iNode++ )
- {
- bool linkShared = volume.IsLinked( nodes[ iNode ], nodes[ iNode + 1] );
- if ( linkShared )
- nbSharedLinks++;
- if ( linkShared && prevLinkShared &&
- volume.IsLinked( nodes[ iNode - 1 ], nodes[ iNode + 1] ))
- isShared[ iNode ] = true;
- prevLinkShared = linkShared;
- }
- if ( nbSharedLinks == nbFaceNodes )
- return !free; // is not free
- if ( nbFaceNodes == 4 ) {
- // check traingle parts 1 & 3
- if ( isShared[1] && isShared[3] )
- return !free; // is not free
- // check traingle 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 ] ) &&
- volume.IsLinked( nodes[ 1 ], nodes[ 3 ] ) )
- return !free; // is not free
- }
+ const SMDS_MeshNode* n = nodes[ iNode ];
+ // check if n is shared by one of volumes of volNbShared
+ bool isShared = false;
+ SMDS_ElemIteratorPtr eIt = n->GetInverseElementIterator( SMDSAbs_Volume );
+ while ( eIt->more() && !isShared )
+ isShared = volNbShared.count( eIt->next() );
+ if ( !isShared )
+ return isFree;
}
- return free;
+ if ( otherVol ) *otherVol = volNbShared.begin()->first;
+ return !isFree;
+
+// if ( !myVolume->IsPoly() )
+// {
+// bool isShared[] = { false, false, false, false }; // 4 triangle parts of a quadrangle
+// for ( vNbIt = volNbShared.begin(); vNbIt != volNbShared.end(); vNbIt++ ) {
+// SMDS_VolumeTool volume( (*vNbIt).first );
+// bool prevLinkShared = false;
+// int nbSharedLinks = 0;
+// for ( int iNode = 0; iNode < nbFaceNodes; iNode++ ) {
+// bool linkShared = volume.IsLinked( nodes[ iNode ], nodes[ iNode + 1] );
+// if ( linkShared )
+// nbSharedLinks++;
+// if ( linkShared && prevLinkShared &&
+// volume.IsLinked( nodes[ iNode - 1 ], nodes[ iNode + 1] ))
+// isShared[ iNode ] = true;
+// prevLinkShared = linkShared;
+// }
+// if ( nbSharedLinks == nbFaceNodes )
+// return !free; // is not free
+// if ( nbFaceNodes == 4 ) {
+// // check traingle parts 1 & 3
+// if ( isShared[1] && isShared[3] )
+// return !free; // is not free
+// // 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 ] ) &&
+// volume.IsLinked( nodes[ 1 ], nodes[ 3 ] ) )
+// return !free; // is not free
+// }
+// }
+// }
+// return free;
}
//=======================================================================
//purpose : Return index of a face formed by theFaceNodes
//=======================================================================
-int SMDS_VolumeTool::GetFaceIndex( const set<const SMDS_MeshNode*>& theFaceNodes )
+int SMDS_VolumeTool::GetFaceIndex( const set<const SMDS_MeshNode*>& theFaceNodes,
+ const int theFaceIndexHint ) const
{
- for ( int iFace = 0; iFace < myNbFaces; iFace++ ) {
- const SMDS_MeshNode** nodes = GetFaceNodes( iFace );
- int nbFaceNodes = NbFaceNodes( iFace );
- set<const SMDS_MeshNode*> nodeSet;
- for ( int iNode = 0; iNode < nbFaceNodes; iNode++ )
- nodeSet.insert( nodes[ iNode ] );
- if ( theFaceNodes == nodeSet )
- return iFace;
+ if ( theFaceIndexHint >= 0 )
+ {
+ int nbNodes = NbFaceNodes( theFaceIndexHint );
+ if ( nbNodes == (int) theFaceNodes.size() )
+ {
+ const SMDS_MeshNode** nodes = GetFaceNodes( theFaceIndexHint );
+ while ( nbNodes )
+ if ( theFaceNodes.count( nodes[ nbNodes-1 ]))
+ --nbNodes;
+ else
+ break;
+ if ( nbNodes == 0 )
+ return theFaceIndexHint;
+ }
+ }
+ for ( int iFace = 0; iFace < myNbFaces; iFace++ )
+ {
+ if ( iFace == theFaceIndexHint )
+ continue;
+ int nbNodes = NbFaceNodes( iFace );
+ if ( nbNodes == (int) theFaceNodes.size() )
+ {
+ const SMDS_MeshNode** nodes = GetFaceNodes( iFace );
+ while ( nbNodes )
+ if ( theFaceNodes.count( nodes[ nbNodes-1 ]))
+ --nbNodes;
+ else
+ break;
+ if ( nbNodes == 0 )
+ return iFace;
+ }
}
return -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
//purpose :
//=======================================================================
-bool SMDS_VolumeTool::setFace( int faceIndex )
+bool SMDS_VolumeTool::setFace( int faceIndex ) const
{
if ( !myVolume )
return false;
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_R[ faceIndex ] : Tetra_F[ faceIndex ];
- else if ( myForwardFaces )
- myFaceNodeIndices = myVolForward ? Tetra_F[ faceIndex ] : Tetra_R[ faceIndex ];
- else
- myFaceNodeIndices = Tetra_F[ faceIndex ];
- break;
- case 6:
- if ( myExternalFaces )
- myFaceNodeIndices = myVolForward ? Penta_FE[ faceIndex ] : Penta_RE[ faceIndex ];
- else if ( myForwardFaces )
- myFaceNodeIndices = myVolForward ? Penta_F[ faceIndex ] : Penta_R[ faceIndex ];
- else
- myFaceNodeIndices = Penta_F[ faceIndex ];
- break;
- case 8:
- if ( myExternalFaces )
- myFaceNodeIndices = myVolForward ? Hexa_FE[ faceIndex ] : Hexa_RE[ faceIndex ];
- else if ( myForwardFaces )
- myFaceNodeIndices = myVolForward ? Hexa_F[ faceIndex ] : Hexa_R[ 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;
+ }
+
+ // set face nodes
+ int iNode;
+ myFaceNbNodes = myPolyedre->NbFaceNodes(faceIndex + 1);
+ myFaceNodes = new const SMDS_MeshNode* [myFaceNbNodes + 1];
+ for ( iNode = 0; iNode < myFaceNbNodes; iNode++ )
+ myFaceNodes[ iNode ] = myPolyedre->GetFaceNode(faceIndex + 1, iNode + 1);
+ myFaceNodes[ myFaceNbNodes ] = myFaceNodes[ 0 ]; // last = first
+
+ // check orientation
+ if (myExternalFaces)
+ {
+ myCurFace = faceIndex; // avoid infinite recursion in IsFaceExternal()
+ myExternalFaces = false; // force normal computation by IsFaceExternal()
+ if ( !IsFaceExternal( faceIndex ))
+ for ( int i = 0, j = myFaceNbNodes; i < j; ++i, --j )
+ std::swap( myFaceNodes[i], myFaceNodes[j] );
+ myExternalFaces = true;
+ }
+ }
+ else
+ {
+ if ( !myAllFacesNodeIndices_F )
+ {
+ // choose data for an element type
+ switch ( myVolumeNbNodes ) {
+ case 4:
+ myAllFacesNodeIndices_F = &Tetra_F [0][0];
+ //myAllFacesNodeIndices_FE = &Tetra_F [0][0];
+ myAllFacesNodeIndices_RE = &Tetra_RE[0][0];
+ myAllFacesNbNodes = Tetra_nbN;
+ myMaxFaceNbNodes = sizeof(Tetra_F[0])/sizeof(Tetra_F[0][0]);
+ break;
+ case 5:
+ myAllFacesNodeIndices_F = &Pyramid_F [0][0];
+ //myAllFacesNodeIndices_FE = &Pyramid_F [0][0];
+ myAllFacesNodeIndices_RE = &Pyramid_RE[0][0];
+ myAllFacesNbNodes = Pyramid_nbN;
+ myMaxFaceNbNodes = sizeof(Pyramid_F[0])/sizeof(Pyramid_F[0][0]);
+ break;
+ case 6:
+ myAllFacesNodeIndices_F = &Penta_F [0][0];
+ //myAllFacesNodeIndices_FE = &Penta_FE[0][0];
+ myAllFacesNodeIndices_RE = &Penta_RE[0][0];
+ myAllFacesNbNodes = Penta_nbN;
+ myMaxFaceNbNodes = sizeof(Penta_F[0])/sizeof(Penta_F[0][0]);
+ break;
+ case 8:
+ myAllFacesNodeIndices_F = &Hexa_F [0][0];
+ ///myAllFacesNodeIndices_FE = &Hexa_FE[0][0];
+ myAllFacesNodeIndices_RE = &Hexa_RE[0][0];
+ myAllFacesNbNodes = Hexa_nbN;
+ myMaxFaceNbNodes = sizeof(Hexa_F[0])/sizeof(Hexa_F[0][0]);
+ break;
+ case 10:
+ myAllFacesNodeIndices_F = &QuadTetra_F [0][0];
+ //myAllFacesNodeIndices_FE = &QuadTetra_F [0][0];
+ myAllFacesNodeIndices_RE = &QuadTetra_RE[0][0];
+ myAllFacesNbNodes = QuadTetra_nbN;
+ myMaxFaceNbNodes = sizeof(QuadTetra_F[0])/sizeof(QuadTetra_F[0][0]);
+ break;
+ case 13:
+ myAllFacesNodeIndices_F = &QuadPyram_F [0][0];
+ //myAllFacesNodeIndices_FE = &QuadPyram_F [0][0];
+ myAllFacesNodeIndices_RE = &QuadPyram_RE[0][0];
+ myAllFacesNbNodes = QuadPyram_nbN;
+ myMaxFaceNbNodes = sizeof(QuadPyram_F[0])/sizeof(QuadPyram_F[0][0]);
+ break;
+ case 15:
+ myAllFacesNodeIndices_F = &QuadPenta_F [0][0];
+ //myAllFacesNodeIndices_FE = &QuadPenta_FE[0][0];
+ myAllFacesNodeIndices_RE = &QuadPenta_RE[0][0];
+ myAllFacesNbNodes = QuadPenta_nbN;
+ myMaxFaceNbNodes = sizeof(QuadPenta_F[0])/sizeof(QuadPenta_F[0][0]);
+ break;
+ case 20:
+ case 27:
+ myAllFacesNodeIndices_F = &QuadHexa_F [0][0];
+ //myAllFacesNodeIndices_FE = &QuadHexa_FE[0][0];
+ myAllFacesNodeIndices_RE = &QuadHexa_RE[0][0];
+ myAllFacesNbNodes = QuadHexa_nbN;
+ myMaxFaceNbNodes = sizeof(QuadHexa_F[0])/sizeof(QuadHexa_F[0][0]);
+ if ( !myIgnoreCentralNodes && myVolumeNbNodes == 27 )
+ {
+ myAllFacesNodeIndices_F = &TriQuadHexa_F [0][0];
+ //myAllFacesNodeIndices_FE = &TriQuadHexa_FE[0][0];
+ myAllFacesNodeIndices_RE = &TriQuadHexa_RE[0][0];
+ myAllFacesNbNodes = TriQuadHexa_nbN;
+ myMaxFaceNbNodes = sizeof(TriQuadHexa_F[0])/sizeof(TriQuadHexa_F[0][0]);
+ }
+ break;
+ case 12:
+ myAllFacesNodeIndices_F = &HexPrism_F [0][0];
+ //myAllFacesNodeIndices_FE = &HexPrism_FE[0][0];
+ myAllFacesNodeIndices_RE = &HexPrism_RE[0][0];
+ myAllFacesNbNodes = HexPrism_nbN;
+ myMaxFaceNbNodes = sizeof(HexPrism_F[0])/sizeof(HexPrism_F[0][0]);
+ break;
+ default:
+ return false;
+ }
+ }
+ myFaceNbNodes = myAllFacesNbNodes[ faceIndex ];
+ // if ( myExternalFaces )
+ // myFaceNodeIndices = (int*)( myVolForward ? myAllFacesNodeIndices_FE + faceIndex*myMaxFaceNbNodes : myAllFacesNodeIndices_RE + faceIndex*myMaxFaceNbNodes );
+ // else
+ // myFaceNodeIndices = (int*)( myAllFacesNodeIndices_F + faceIndex*myMaxFaceNbNodes );
+ myFaceNodeIndices = (int*)( myVolForward ? myAllFacesNodeIndices_F + faceIndex*myMaxFaceNbNodes : myAllFacesNodeIndices_RE + faceIndex*myMaxFaceNbNodes );
+
+ // 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;
+ case 10: return QUAD_TETRA;
+ case 13: return QUAD_PYRAM;
+ case 15: return QUAD_PENTA;
+ case 20:
+ case 27: return QUAD_HEXA;
+ case 12: return HEX_PRISM;
+ default:return UNKNOWN;
+ }
+}
+
+//=======================================================================
+//function : NbFaces
+//purpose : return nb of faces by volume type
+//=======================================================================
+
+int SMDS_VolumeTool::NbFaces( VolumeType type )
+{
+ switch ( type ) {
+ case TETRA :
+ case QUAD_TETRA: return 4;
+ case PYRAM :
+ case QUAD_PYRAM: return 5;
+ case PENTA :
+ case QUAD_PENTA: return 5;
+ case HEXA :
+ case QUAD_HEXA : return 6;
+ case HEX_PRISM : return 8;
+ default: return 0;
+ }
+}
+
+//================================================================================
+/*!
+ * \brief Useful to know nb of corner nodes of a quadratic volume
+ * \param type - volume type
+ * \retval int - nb of corner nodes
+ */
+//================================================================================
+
+int SMDS_VolumeTool::NbCornerNodes(VolumeType type)
+{
+ switch ( type ) {
+ case TETRA :
+ case QUAD_TETRA: return 4;
+ case PYRAM :
+ case QUAD_PYRAM: return 5;
+ case PENTA :
+ case QUAD_PENTA: return 6;
+ case HEXA :
+ case QUAD_HEXA : return 8;
+ case HEX_PRISM : return 12;
+ default: return 0;
+ }
+ 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_F[ faceIndex ] : Penta_F[ faceIndex ];
+ case HEXA: return external ? Hexa_F[ faceIndex ] : Hexa_F[ faceIndex ];
+ case QUAD_TETRA: return QuadTetra_F[ faceIndex ];
+ case QUAD_PYRAM: return QuadPyram_F[ faceIndex ];
+ case QUAD_PENTA: return external ? QuadPenta_F[ faceIndex ] : QuadPenta_F[ faceIndex ];
+ // what about SMDSEntity_TriQuad_Hexa?
+ case QUAD_HEXA: return external ? QuadHexa_F[ faceIndex ] : QuadHexa_F[ faceIndex ];
+ case HEX_PRISM: return external ? HexPrism_F[ faceIndex ] : HexPrism_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 ];
+ case QUAD_TETRA: return QuadTetra_nbN[ faceIndex ];
+ case QUAD_PYRAM: return QuadPyram_nbN[ faceIndex ];
+ case QUAD_PENTA: return QuadPenta_nbN[ faceIndex ];
+ // what about SMDSEntity_TriQuad_Hexa?
+ case QUAD_HEXA: return QuadHexa_nbN[ faceIndex ];
+ case HEX_PRISM: return HexPrism_nbN[ faceIndex ];
+ default:;
+ }
+ return 0;
+}
+
+//=======================================================================
+//function : Element
+//purpose : return element
+//=======================================================================
+
+const SMDS_MeshVolume* SMDS_VolumeTool::Element() const
+{
+ return static_cast<const SMDS_MeshVolume*>( myVolume );
+}
+
+//=======================================================================
+//function : ID
+//purpose : return element ID
+//=======================================================================
+
+int SMDS_VolumeTool::ID() const
+{
+ return myVolume ? myVolume->GetID() : 0;
+}
