#include <set>
+#include <BRepAdaptor_Surface.hxx>
#include <BRep_Tool.hxx>
-#include <gp_Ax3.hxx>
-#include <gp_Cylinder.hxx>
-#include <gp_Dir.hxx>
-#include <gp_Pnt.hxx>
-#include <gp_Pln.hxx>
-#include <gp_Vec.hxx>
-#include <gp_XYZ.hxx>
-#include <Geom_Plane.hxx>
#include <Geom_CylindricalSurface.hxx>
+#include <Geom_Plane.hxx>
+#include <Geom_Surface.hxx>
#include <Precision.hxx>
-#include <TColgp_Array1OfXYZ.hxx>
+#include <TColStd_MapIteratorOfMapOfInteger.hxx>
#include <TColStd_MapOfInteger.hxx>
#include <TColStd_SequenceOfAsciiString.hxx>
-#include <TColStd_MapIteratorOfMapOfInteger.hxx>
+#include <TColgp_Array1OfXYZ.hxx>
#include <TopAbs.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Shape.hxx>
+#include <gp_Ax3.hxx>
+#include <gp_Cylinder.hxx>
+#include <gp_Dir.hxx>
+#include <gp_Pln.hxx>
+#include <gp_Pnt.hxx>
+#include <gp_Vec.hxx>
+#include <gp_XYZ.hxx>
#include "SMDS_Mesh.hxx"
#include "SMDS_Iterator.hxx"
if ( nbNodes < 3 )
return 0;
- // Compute lengths of the sides
-
- vector< double > aLen (nbNodes);
-
- for ( int i = 0; i < nbNodes - 1; i++ )
- aLen[ i ] = getDistance( P( i + 1 ), P( i + 2 ) );
- aLen[ nbNodes - 1 ] = getDistance( P( 1 ), P( nbNodes ) );
-
// Compute aspect ratio
- if ( nbNodes == 3 )
- {
+ if ( nbNodes == 3 ) {
+ // Compute lengths of the sides
+ vector< double > aLen (nbNodes);
+ for ( int i = 0; i < nbNodes - 1; i++ )
+ aLen[ i ] = getDistance( P( i + 1 ), P( i + 2 ) );
+ aLen[ nbNodes - 1 ] = getDistance( P( 1 ), P( nbNodes ) );
// Q = alfa * h * p / S, where
//
// alfa = sqrt( 3 ) / 6
// h - length of the longest edge
// p - half perimeter
// S - triangle surface
-
const double alfa = sqrt( 3. ) / 6.;
double maxLen = Max( aLen[ 0 ], Max( aLen[ 1 ], aLen[ 2 ] ) );
double half_perimeter = ( aLen[0] + aLen[1] + aLen[2] ) / 2.;
double anArea = getArea( P( 1 ), P( 2 ), P( 3 ) );
if ( anArea <= Precision::Confusion() )
return 0.;
-
return alfa * maxLen * half_perimeter / anArea;
}
- else
- {
+ else if ( nbNodes == 6 ) { // quadratic triangles
+ // Compute lengths of the sides
+ vector< double > aLen (3);
+ aLen[0] = getDistance( P(1), P(3) );
+ aLen[1] = getDistance( P(3), P(5) );
+ aLen[2] = getDistance( P(5), P(1) );
+ // Q = alfa * h * p / S, where
+ //
+ // alfa = sqrt( 3 ) / 6
+ // h - length of the longest edge
+ // p - half perimeter
+ // S - triangle surface
+ const double alfa = sqrt( 3. ) / 6.;
+ double maxLen = Max( aLen[ 0 ], Max( aLen[ 1 ], aLen[ 2 ] ) );
+ double half_perimeter = ( aLen[0] + aLen[1] + aLen[2] ) / 2.;
+ double anArea = getArea( P(1), P(3), P(5) );
+ if ( anArea <= Precision::Confusion() )
+ return 0.;
+ return alfa * maxLen * half_perimeter / anArea;
+ }
+ else if( nbNodes == 4 ) { // quadrangle
// return aspect ratio of the worst triange which can be built
// taking three nodes of the quadrangle
TSequenceOfXYZ triaPnts(3);
triaPnts(1) = P(3);
ar = Max ( ar, GetValue( triaPnts ));
+ return ar;
+ }
+ else { // nbNodes==8 - quadratic quadrangle
+ // return aspect ratio of the worst triange which can be built
+ // taking three nodes of the quadrangle
+ TSequenceOfXYZ triaPnts(3);
+ // triangle on nodes 1 3 2
+ triaPnts(1) = P(1);
+ triaPnts(2) = P(5);
+ triaPnts(3) = P(3);
+ double ar = GetValue( triaPnts );
+ // triangle on nodes 1 3 4
+ triaPnts(3) = P(7);
+ ar = Max ( ar, GetValue( triaPnts ));
+ // triangle on nodes 1 2 4
+ triaPnts(2) = P(3);
+ ar = Max ( ar, GetValue( triaPnts ));
+ // triangle on nodes 3 2 4
+ triaPnts(1) = P(5);
+ ar = Max ( ar, GetValue( triaPnts ));
+
return ar;
}
}
{
double aQuality = 0.0;
if(myCurrElement->IsPoly()) return aQuality;
+
int nbNodes = P.size();
+
+ if(myCurrElement->IsQuadratic()) {
+ if(nbNodes==10) nbNodes=4; // quadratic tetrahedron
+ else if(nbNodes==13) nbNodes=5; // quadratic pyramid
+ else if(nbNodes==15) nbNodes=6; // quadratic pentahedron
+ else if(nbNodes==20) nbNodes=8; // quadratic hexahedron
+ else return aQuality;
+ }
+
switch(nbNodes){
case 4:{
double aLen[6] = {
//double aVolume = getVolume(aLen);
double aHeight = getMaxHeight(aLen);
static double aCoeff = sqrt(2.0)/12.0;
- aQuality = aCoeff*aHeight*aSumArea/aVolume;
+ if ( aVolume > DBL_MIN )
+ aQuality = aCoeff*aHeight*aSumArea/aVolume;
break;
}
case 5:{
if ( P.size() != 4 )
return 0;
- gp_XYZ G = ( P( 1 ) + P( 2 ) + P( 3 ) + P( 4 ) ) / 4;
+ gp_XYZ G = ( P( 1 ) + P( 2 ) + P( 3 ) + P( 4 ) ) / 4.;
double A1 = ComputeA( P( 1 ), P( 2 ), P( 3 ), G );
double A2 = ComputeA( P( 2 ), P( 3 ), P( 4 ), G );
N.Normalize();
double H = ( thePnt2 - theG ).Dot( N );
- return asin( fabs( H / L ) ) * 180 / PI;
+ return asin( fabs( H / L ) ) * 180. / PI;
}
double Warping::GetBadRate( double Value, int /*nbNodes*/ ) const
double Taper::GetValue( const TSequenceOfXYZ& P )
{
if ( P.size() != 4 )
- return 0;
+ return 0.;
// Compute taper
- double J1 = getArea( P( 4 ), P( 1 ), P( 2 ) ) / 2;
- double J2 = getArea( P( 3 ), P( 1 ), P( 2 ) ) / 2;
- double J3 = getArea( P( 2 ), P( 3 ), P( 4 ) ) / 2;
- double J4 = getArea( P( 3 ), P( 4 ), P( 1 ) ) / 2;
+ double J1 = getArea( P( 4 ), P( 1 ), P( 2 ) ) / 2.;
+ double J2 = getArea( P( 3 ), P( 1 ), P( 2 ) ) / 2.;
+ double J3 = getArea( P( 2 ), P( 3 ), P( 4 ) ) / 2.;
+ double J4 = getArea( P( 3 ), P( 4 ), P( 1 ) ) / 2.;
double JA = 0.25 * ( J1 + J2 + J3 + J4 );
if ( JA <= Precision::Confusion() )
*/
static inline double skewAngle( const gp_XYZ& p1, const gp_XYZ& p2, const gp_XYZ& p3 )
{
- gp_XYZ p12 = ( p2 + p1 ) / 2;
- gp_XYZ p23 = ( p3 + p2 ) / 2;
- gp_XYZ p31 = ( p3 + p1 ) / 2;
+ gp_XYZ p12 = ( p2 + p1 ) / 2.;
+ gp_XYZ p23 = ( p3 + p2 ) / 2.;
+ gp_XYZ p31 = ( p3 + p1 ) / 2.;
gp_Vec v1( p31 - p2 ), v2( p12 - p23 );
- return v1.Magnitude() < gp::Resolution() || v2.Magnitude() < gp::Resolution() ? 0 : v1.Angle( v2 );
+ return v1.Magnitude() < gp::Resolution() || v2.Magnitude() < gp::Resolution() ? 0. : v1.Angle( v2 );
}
double Skew::GetValue( const TSequenceOfXYZ& P )
{
if ( P.size() != 3 && P.size() != 4 )
- return 0;
+ return 0.;
// Compute skew
- static double PI2 = PI / 2;
+ static double PI2 = PI / 2.;
if ( P.size() == 3 )
{
double A0 = fabs( PI2 - skewAngle( P( 3 ), P( 1 ), P( 2 ) ) );
double A1 = fabs( PI2 - skewAngle( P( 1 ), P( 2 ), P( 3 ) ) );
double A2 = fabs( PI2 - skewAngle( P( 2 ), P( 3 ), P( 1 ) ) );
- return Max( A0, Max( A1, A2 ) ) * 180 / PI;
+ return Max( A0, Max( A1, A2 ) ) * 180. / PI;
}
else
{
- gp_XYZ p12 = ( P( 1 ) + P( 2 ) ) / 2;
- gp_XYZ p23 = ( P( 2 ) + P( 3 ) ) / 2;
- gp_XYZ p34 = ( P( 3 ) + P( 4 ) ) / 2;
- gp_XYZ p41 = ( P( 4 ) + P( 1 ) ) / 2;
+ gp_XYZ p12 = ( P( 1 ) + P( 2 ) ) / 2.;
+ gp_XYZ p23 = ( P( 2 ) + P( 3 ) ) / 2.;
+ gp_XYZ p34 = ( P( 3 ) + P( 4 ) ) / 2.;
+ gp_XYZ p41 = ( P( 4 ) + P( 1 ) ) / 2.;
gp_Vec v1( p34 - p12 ), v2( p23 - p41 );
double A = v1.Magnitude() <= gp::Resolution() || v2.Magnitude() <= gp::Resolution()
- ? 0 : fabs( PI2 - v1.Angle( v2 ) );
+ ? 0. : fabs( PI2 - v1.Angle( v2 ) );
+
+ //BUG SWP12743
+ if ( A < Precision::Angular() )
+ return 0.;
- return A * 180 / PI;
+ return A * 180. / PI;
}
}
myType = SMDSAbs_All;
mySurf.Nullify();
myToler = Precision::Confusion();
+ myUseBoundaries = false;
}
ElementsOnSurface::~ElementsOnSurface()
if ( myMesh == theMesh )
return;
myMesh = theMesh;
- myIds.Clear();
process();
}
{ return myType; }
void ElementsOnSurface::SetTolerance( const double theToler )
-{ myToler = theToler; }
+{
+ if ( myToler != theToler )
+ myIds.Clear();
+ myToler = theToler;
+}
double ElementsOnSurface::GetTolerance() const
+{ return myToler; }
+
+void ElementsOnSurface::SetUseBoundaries( bool theUse )
{
- return myToler;
+ if ( myUseBoundaries != theUse ) {
+ myUseBoundaries = theUse;
+ SetSurface( mySurf, myType );
+ }
}
void ElementsOnSurface::SetSurface( const TopoDS_Shape& theShape,
const SMDSAbs_ElementType theType )
{
+ myIds.Clear();
myType = theType;
mySurf.Nullify();
if ( theShape.IsNull() || theShape.ShapeType() != TopAbs_FACE )
- {
- mySurf.Nullify();
return;
- }
- TopoDS_Face aFace = TopoDS::Face( theShape );
- mySurf = BRep_Tool::Surface( aFace );
+ mySurf = TopoDS::Face( theShape );
+ BRepAdaptor_Surface SA( mySurf, myUseBoundaries );
+ Standard_Real
+ u1 = SA.FirstUParameter(),
+ u2 = SA.LastUParameter(),
+ v1 = SA.FirstVParameter(),
+ v2 = SA.LastVParameter();
+ Handle(Geom_Surface) surf = BRep_Tool::Surface( mySurf );
+ myProjector.Init( surf, u1,u2, v1,v2 );
+ process();
}
void ElementsOnSurface::process()
if ( myType == SMDSAbs_Face || myType == SMDSAbs_All )
{
+ myIds.ReSize( myMesh->NbFaces() );
SMDS_FaceIteratorPtr anIter = myMesh->facesIterator();
for(; anIter->more(); )
process( anIter->next() );
if ( myType == SMDSAbs_Edge || myType == SMDSAbs_All )
{
+ myIds.ReSize( myMesh->NbEdges() );
SMDS_EdgeIteratorPtr anIter = myMesh->edgesIterator();
for(; anIter->more(); )
process( anIter->next() );
if ( myType == SMDSAbs_Node )
{
+ myIds.ReSize( myMesh->NbNodes() );
SMDS_NodeIteratorPtr anIter = myMesh->nodesIterator();
for(; anIter->more(); )
process( anIter->next() );
myIds.Add( theElemPtr->GetID() );
}
-bool ElementsOnSurface::isOnSurface( const SMDS_MeshNode* theNode ) const
+bool ElementsOnSurface::isOnSurface( const SMDS_MeshNode* theNode )
{
if ( mySurf.IsNull() )
return false;
gp_Pnt aPnt( theNode->X(), theNode->Y(), theNode->Z() );
- double aToler2 = myToler * myToler;
- if ( mySurf->IsKind(STANDARD_TYPE(Geom_Plane)))
- {
- gp_Pln aPln = Handle(Geom_Plane)::DownCast(mySurf)->Pln();
- if ( aPln.SquareDistance( aPnt ) > aToler2 )
- return false;
- }
- else if ( mySurf->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)))
- {
- gp_Cylinder aCyl = Handle(Geom_CylindricalSurface)::DownCast(mySurf)->Cylinder();
- double aRad = aCyl.Radius();
- gp_Ax3 anAxis = aCyl.Position();
- gp_XYZ aLoc = aCyl.Location().XYZ();
- double aXDist = anAxis.XDirection().XYZ() * ( aPnt.XYZ() - aLoc );
- double aYDist = anAxis.YDirection().XYZ() * ( aPnt.XYZ() - aLoc );
- if ( fabs(aXDist*aXDist + aYDist*aYDist - aRad*aRad) > aToler2 )
- return false;
- }
- else
- return false;
-
- return true;
+ // double aToler2 = myToler * myToler;
+// if ( mySurf->IsKind(STANDARD_TYPE(Geom_Plane)))
+// {
+// gp_Pln aPln = Handle(Geom_Plane)::DownCast(mySurf)->Pln();
+// if ( aPln.SquareDistance( aPnt ) > aToler2 )
+// return false;
+// }
+// else if ( mySurf->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)))
+// {
+// gp_Cylinder aCyl = Handle(Geom_CylindricalSurface)::DownCast(mySurf)->Cylinder();
+// double aRad = aCyl.Radius();
+// gp_Ax3 anAxis = aCyl.Position();
+// gp_XYZ aLoc = aCyl.Location().XYZ();
+// double aXDist = anAxis.XDirection().XYZ() * ( aPnt.XYZ() - aLoc );
+// double aYDist = anAxis.YDirection().XYZ() * ( aPnt.XYZ() - aLoc );
+// if ( fabs(aXDist*aXDist + aYDist*aYDist - aRad*aRad) > aToler2 )
+// return false;
+// }
+// else
+// return false;
+ myProjector.Perform( aPnt );
+ bool isOn = ( myProjector.IsDone() && myProjector.LowerDistance() <= myToler );
+
+ return isOn;
}
