-// Copyright (C) 2005 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
-//
-// This library is distributed in the hope that it will be useful
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
+// Copyright (C) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE
//
-// 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
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+// 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
// ========================================================
// 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 Crossed( const XYZ& other );
+ inline double Dot( const XYZ& other );
+ inline double Magnitude();
};
-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::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);
}
+}
//=======================================================================
//function : SMDS_VolumeTool
SMDS_VolumeTool::~SMDS_VolumeTool()
{
- if (myVolumeNodes != NULL) {
- delete [] myVolumeNodes;
- myVolumeNodes = NULL;
- }
- if (myFaceNodes != NULL) {
- delete [] myFaceNodes;
- myFaceNodes = NULL;
- }
+ if ( myVolumeNodes != NULL ) delete [] myVolumeNodes;
+ if ( myFaceNodes != NULL ) delete [] myFaceNodes;
+
+ myFaceNodeIndices = NULL;
+ myVolumeNodes = myFaceNodes = NULL;
}
//=======================================================================
return true;
}
+//================================================================================
+/*!
+ * \brief Classify a point
+ * \param tol - thickness of faces
+ */
+//================================================================================
+
+bool SMDS_VolumeTool::IsOut(double X, double Y, double Z, double tol)
+{
+ // 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;
+}
+
//=======================================================================
//function : SetExternalNormal
//purpose : Node order will be so that faces normals are external
const int* SMDS_VolumeTool::GetFaceNodesIndices( int faceIndex )
{
- if (myVolume->IsPoly()) {
- MESSAGE("Warning: attempt to obtain FaceNodesIndices of polyhedral volume");
- return NULL;
- }
if ( !setFace( faceIndex ))
return 0;
+
+ if (myVolume->IsPoly())
+ {
+ myPolyIndices.resize( myFaceNbNodes + 1 );
+ myFaceNodeIndices = & myPolyIndices[0];
+ for ( int i = 0; i <= myFaceNbNodes; ++i )
+ myFaceNodeIndices[i] = myVolume->GetNodeIndex( myFaceNodes[i] );
+ }
return myFaceNodeIndices;
}
//purpose : return element
//=======================================================================
-const SMDS_MeshVolume* SMDS_VolumeTool::Get() const
+const SMDS_MeshVolume* SMDS_VolumeTool::Element() const
{
return static_cast<const SMDS_MeshVolume*>( myVolume );
}
