-// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2015 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.
+// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
#include <BRep_Tool.hxx>
#include <GCPnts_AbscissaPoint.hxx>
#include <Geom2dAdaptor_Curve.hxx>
+#include <Geom_Line.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Wire.hxx>
#include <map>
+#include <limits>
#include "utilities.h"
myMissingVertexNodes = true;
// check if the edge has a non-uniform parametrization (issue 0020705)
- if ( !myC2d[i].IsNull() && myEdgeLength[i] > DBL_MIN)
+ if ( !myC2d[i].IsNull() )
{
- Geom2dAdaptor_Curve A2dC( myC2d[i],
- std::min( myFirst[i], myLast[i] ),
- std::max( myFirst[i], myLast[i] ));
- double p2 = myFirst[i]+(myLast[i]-myFirst[i])/2., p4 = myFirst[i]+(myLast[i]-myFirst[i])/4.;
- double d2 = GCPnts_AbscissaPoint::Length( A2dC, myFirst[i], p2 );
- double d4 = GCPnts_AbscissaPoint::Length( A2dC, myFirst[i], p4 );
- //cout<<"len = "<<len<<" d2 = "<<d2<<" fabs(2*d2/len-1.0) = "<<fabs(2*d2/len-1.0)<<endl;
- myIsUniform[i] = !( fabs(2*d2/myEdgeLength[i]-1.0) > 0.01 || fabs(2*d4/d2-1.0) > 0.01 );
- //if ( !myIsUniform[i] ) to implement Value3d(u)
+ if ( myEdgeLength[i] > DBL_MIN)
{
- double fp,lp;
- Handle(Geom_Curve) C3d = BRep_Tool::Curve(myEdge[i],fp,lp);
- myC3dAdaptor[i].Load( C3d, fp,lp );
+ Geom2dAdaptor_Curve A2dC( myC2d[i],
+ std::min( myFirst[i], myLast[i] ),
+ std::max( myFirst[i], myLast[i] ));
+ double p2 = myFirst[i]+(myLast[i]-myFirst[i])/2., p4 = myFirst[i]+(myLast[i]-myFirst[i])/4.;
+ double d2 = GCPnts_AbscissaPoint::Length( A2dC, myFirst[i], p2 );
+ double d4 = GCPnts_AbscissaPoint::Length( A2dC, myFirst[i], p4 );
+ //cout<<"len = "<<len<<" d2 = "<<d2<<" fabs(2*d2/len-1.0) = "<<fabs(2*d2/len-1.0)<<endl;
+ myIsUniform[i] = !( fabs(2*d2/myEdgeLength[i]-1.0) > 0.01 || fabs(2*d4/d2-1.0) > 0.01 );
+ Handle(Geom_Curve) C3d = BRep_Tool::Curve(myEdge[i],d2,d4);
+ myC3dAdaptor[i].Load( C3d, d2,d4 );
+ }
+ else
+ {
+ const TopoDS_Vertex& V = TopoDS::Vertex( vExp.Value() );
+ Handle(Geom_Curve) C3d = new Geom_Line( BRep_Tool::Pnt( V ), gp::DX() );
+ myC3dAdaptor[i].Load( C3d, 0, 0.5 * BRep_Tool::Tolerance( V ));
}
}
// reverse a proxy submesh
//================================================================================
/*!
* \brief Constructor of a side for vertex using data from other FaceSide
- * \param theVertex - the vertex
- * \param theSide - the side
+ * \param theVertex - the vertex
+ * \param theSide - the side
*/
//================================================================================
-StdMeshers_FaceSide::StdMeshers_FaceSide(const SMDS_MeshNode* theNode,
- const gp_Pnt2d thePnt2d,
- const StdMeshers_FaceSide* theSide)
+StdMeshers_FaceSide::StdMeshers_FaceSide(const StdMeshers_FaceSide* theSide,
+ const SMDS_MeshNode* theNode,
+ const gp_Pnt2d* thePnt2d1,
+ const gp_Pnt2d* thePnt2d2,
+ const Handle(Geom2d_Curve)& theC2d,
+ const double theUFirst,
+ const double theULast)
{
- myC2d.resize(1);
+ myC2d.push_back ( theC2d );
+ myFirst.push_back ( theUFirst );
+ myLast.push_back ( theULast );
+ myNormPar.push_back ( 1. );
+ myIsUniform.push_back( true );
+ myEdgeID.push_back ( 0 );
myLength = 0;
myProxyMesh = theSide->myProxyMesh;
- myDefaultPnt2d = thePnt2d;
-
- myPoints = theSide->GetUVPtStruct();
- myNbPonits = myPoints.size();
- myNbSegments = theSide->myNbSegments;
- std::vector<uvPtStruct>::iterator it = myPoints.begin();
- for(; it!=myPoints.end(); it++) {
- (*it).u = thePnt2d.X();
- (*it).v = thePnt2d.Y();
- (*it).y = 0.0;
- (*it).node = theNode;
+ myDefaultPnt2d = *thePnt2d1;
+ myPoints = theSide->GetUVPtStruct();
+ myNbPonits = myPoints.size();
+ myNbSegments = theSide->myNbSegments;
+ if ( thePnt2d2 )
+ for ( size_t i = 0; i < myPoints.size(); ++i )
+ {
+ double r = i / ( myPoints.size() - 1. );
+ myPoints[i].u = (1-r) * thePnt2d1->X() + r * thePnt2d2->X();
+ myPoints[i].v = (1-r) * thePnt2d1->Y() + r * thePnt2d2->Y();
+ myPoints[i].node = theNode;
+ }
+ else
+ for ( size_t i = 0; i < myPoints.size(); ++i )
+ {
+ myPoints[i].u = thePnt2d1->X();
+ myPoints[i].v = thePnt2d1->Y();
+ myPoints[i].node = theNode;
+ }
+}
+
+//================================================================================
+/*
+ * Create a side from an UVPtStructVec
+ */
+//================================================================================
+
+StdMeshers_FaceSide::StdMeshers_FaceSide(UVPtStructVec& theSideNodes,
+ const TopoDS_Face& theFace)
+{
+ myEdge.resize( 1 );
+ myEdgeID.resize( 1, -1 );
+ myC2d.resize( 1 );
+ myC3dAdaptor.resize( 1 );
+ myFirst.resize( 1, 0. );
+ myLast.resize( 1, 1. );
+ myNormPar.resize( 1, 1. );
+ myIsUniform.resize( 1, 1 );
+ myMissingVertexNodes = myIgnoreMediumNodes = false;
+ myDefaultPnt2d.SetCoord( 1e100, 1e100 );
+
+ myPoints = theSideNodes;
+ myNbPonits = myPoints.size();
+ myNbSegments = myNbPonits + 1;
+
+ myLength = 0;
+ if ( !myPoints.empty() )
+ {
+ myPoints[0].normParam = 0;
+ if ( myPoints[0].node &&
+ myPoints.back().node &&
+ myPoints[ myNbPonits/2 ].node )
+ {
+ gp_Pnt pPrev = SMESH_TNodeXYZ( myPoints[0].node );
+ for ( size_t i = 1; i < myPoints.size(); ++i )
+ {
+ gp_Pnt p = SMESH_TNodeXYZ( myPoints[i].node );
+ myLength += p.Distance( pPrev );
+ myPoints[i].normParam = myLength;
+ pPrev = p;
+ }
+ }
+ else if ( !theFace.IsNull() )
+ {
+ TopLoc_Location loc;
+ Handle(Geom_Surface) surf = BRep_Tool::Surface( theFace, loc );
+ gp_Pnt pPrev = surf->Value( myPoints[0].u, myPoints[0].v );
+ for ( size_t i = 1; i < myPoints.size(); ++i )
+ {
+ gp_Pnt p = surf->Value( myPoints[i].u, myPoints[i].v );
+ myLength += p.Distance( pPrev );
+ myPoints[i].normParam = myLength;
+ pPrev = p;
+ }
+ }
+ else
+ {
+ gp_Pnt2d pPrev = myPoints[0].UV();
+ for ( size_t i = 1; i < myPoints.size(); ++i )
+ {
+ gp_Pnt2d p = myPoints[i].UV();
+ myLength += p.Distance( pPrev );
+ myPoints[i].normParam = myLength;
+ pPrev = p;
+ }
+ }
+ if ( myLength > std::numeric_limits<double>::min() )
+ for ( size_t i = 1; i < myPoints.size(); ++i )
+ myPoints[i].normParam /= myLength;
}
+ myEdgeLength.resize( 1, myLength );
}
//================================================================================
-/*!
- * \brief Return info on nodes on the side
- * \retval UVPtStruct* - array of data structures
+/*
+ * Return info on nodes on the side
*/
//================================================================================
{
const UVPtStructVec& edgeUVPtStruct = proxySubMesh[iE]->GetUVPtStructVec();
std::copy( edgeUVPtStruct.begin(), edgeUVPtStruct.end(), & points[iPt] );
+ // check orientation
+ double du1 = edgeUVPtStruct.back().param - edgeUVPtStruct[0].param;
+ double du2 = myLast[iE] - myFirst[iE];
+ if ( du1 * du2 < 0 )
+ {
+ std::reverse( & points[iPt], & points[iPt + edgeUVPtStruct.size()]);
+ for ( size_t i = 0; i < edgeUVPtStruct.size(); ++i )
+ points[iPt+i].normParam = 1. - points[iPt+i].normParam;
+ }
// update normalized params
if ( myEdge.size() > 1 ) {
for ( size_t i = 0; i < edgeUVPtStruct.size(); ++i, ++iPt )
{
UVPtStruct & uvPt = points[iPt];
- uvPt.normParam = prevNormPar + uvPt.normParam * paramSize;
- uvPt.x = uvPt.y = uvPt.normParam;
+ uvPt.normParam = prevNormPar + uvPt.normParam * paramSize;
+ uvPt.x = uvPt.y = uvPt.normParam;
}
--iPt; // to point to the 1st VERTEX of the next EDGE
}
int nbEdges = myEdge.size();
for ( int i = nbEdges-1; i >= 0; --i ) {
std::swap( myFirst[i], myLast[i] );
- myEdge[i].Reverse();
+ if ( !myEdge[i].IsNull() )
+ myEdge[i].Reverse();
if ( i > 0 ) // at the first loop 1. is overwritten
myNormPar[i] = 1 - myNormPar[i-1];
}
if ( nbEdges > 0 )
{
myNormPar[nbEdges-1]=1.;
- myPoints.clear();
- myFalsePoints.clear();
- for ( size_t i = 0; i < myEdge.size(); ++i )
- reverseProxySubmesh( myEdge[i] );
+ if ( !myEdge[0].IsNull() )
+ {
+ for ( size_t i = 0; i < myEdge.size(); ++i )
+ reverseProxySubmesh( myEdge[i] );
+ myPoints.clear();
+ myFalsePoints.clear();
+ }
+ else
+ {
+ for ( size_t i = 0; i < myPoints.size(); ++i )
+ {
+ UVPtStruct & uvPt = myPoints[i];
+ uvPt.normParam = 1 - uvPt.normParam;
+ uvPt.x = 1 - uvPt.x;
+ uvPt.y = 1 - uvPt.y;
+ }
+ reverse( myPoints );
+
+ for ( size_t i = 0; i < myFalsePoints.size(); ++i )
+ {
+ UVPtStruct & uvPt = myFalsePoints[i];
+ uvPt.normParam = 1 - uvPt.normParam;
+ uvPt.x = 1 - uvPt.x;
+ uvPt.y = 1 - uvPt.y;
+ }
+ reverse( myFalsePoints );
+ }
}
for ( size_t i = 0; i < myEdge.size(); ++i )
{
+ if ( myEdge[i].IsNull() ) continue; // for a side on points only
double fp,lp;
Handle(Geom_Curve) C3d = BRep_Tool::Curve(myEdge[i],fp,lp);
if ( !C3d.IsNull() )
return myC2d[ i ]->Value(par);
}
+ else if ( !myPoints.empty() )
+ {
+ int i = U * double( myPoints.size()-1 );
+ while ( i > 0 && myPoints[ i ].normParam > U )
+ --i;
+ while ( i+1 < myPoints.size() && myPoints[ i+1 ].normParam < U )
+ ++i;
+ double r = (( U - myPoints[ i ].normParam ) /
+ ( myPoints[ i+1 ].normParam - myPoints[ i ].normParam ));
+ return ( myPoints[ i ].UV() * ( 1 - r ) +
+ myPoints[ i+1 ].UV() * r );
+ }
return myDefaultPnt2d;
}
double r = ( U - prevU )/ ( myNormPar[ i ] - prevU );
double par = myFirst[i] * ( 1 - r ) + myLast[i] * r;
-
+
// check parametrization of curve
if( !myIsUniform[i] )
{
SMESH_Mesh & theMesh,
const bool theIgnoreMediumNodes,
TError & theError,
- SMESH_ProxyMesh::Ptr theProxyMesh)
+ SMESH_ProxyMesh::Ptr theProxyMesh,
+ const bool theCheckVertexNodes)
{
list< TopoDS_Edge > edges, internalEdges;
list< int > nbEdgesInWires;
// as StdMeshers_FaceSide::GetUVPtStruct() requires
if ( wireEdges.front().Orientation() != TopAbs_INTERNAL ) // Issue 0020676
{
- while ( !SMESH_Algo::VertexNode( TopExp::FirstVertex( wireEdges.front(), true),
- theMesh.GetMeshDS()))
- {
- wireEdges.splice(wireEdges.end(), wireEdges,
- wireEdges.begin(), ++wireEdges.begin());
- if ( from->IsSame( wireEdges.front() )) {
- theError = TError
- ( new SMESH_ComputeError(COMPERR_BAD_INPUT_MESH,"No nodes on vertices"));
- return TSideVector(0);
+ if ( theCheckVertexNodes )
+ while ( !SMESH_Algo::VertexNode( TopExp::FirstVertex( wireEdges.front(), true),
+ theMesh.GetMeshDS()))
+ {
+ wireEdges.splice(wireEdges.end(), wireEdges,
+ wireEdges.begin(), ++wireEdges.begin());
+ if ( from->IsSame( wireEdges.front() )) {
+ theError = TError
+ ( new SMESH_ComputeError(COMPERR_BAD_INPUT_MESH,"No nodes on vertices"));
+ return TSideVector(0);
+ }
}
- }
}
else if ( *nbE > 1 ) // Issue 0020676 (Face_pb_netgen.brep) - several internal edges in a wire
{
