#include <TopoDS_Wire.hxx>
#include <map>
+#include <limits>
#include "utilities.h"
}
//================================================================================
-/*!
- * \brief Return info on nodes on the side
- * \retval UVPtStruct* - array of data structures
+/*
+ * 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 );
+}
+
+//================================================================================
+/*
+ * Return info on nodes on the side
*/
//================================================================================
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;
}