-// Copyright (C) 2007-2013 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 <TopoDS.hxx>
#include <TopoDS_Face.hxx>
#include <gp_Dir.hxx>
+#include <gp_Mat.hxx>
#include <gp_Pln.hxx>
#include <gp_Vec.hxx>
//purpose : Returns either false or (true + point coordinates)
//=======================================================================
-bool StdMeshers_CartesianParameters3D::GetFixedPoint(double p[3])
+bool StdMeshers_CartesianParameters3D::GetFixedPoint(double p[3]) const
{
if ( Precision::IsInfinite( _fixedPoint[0] ))
return false;
//purpose : Computes node coordinates by spacing functions
//=======================================================================
-void StdMeshers_CartesianParameters3D::ComputeCoordinates(const double x0,
- const double x1,
- vector<std::string>& spaceFuns,
- vector<double>& points,
- vector<double>& coords,
- const std::string& axis )
+void StdMeshers_CartesianParameters3D::ComputeCoordinates(const double x0,
+ const double x1,
+ vector<string>& theSpaceFuns,
+ vector<double>& thePoints,
+ vector<double>& coords,
+ const string& axis,
+ const double* xForced )
throw ( SALOME_Exception )
{
- checkGridSpacing( spaceFuns, points, axis );
+ checkGridSpacing( theSpaceFuns, thePoints, axis );
+
+ vector<string> spaceFuns = theSpaceFuns;
+ vector<double> points = thePoints;
+
+ bool forced = false;
+ if (( forced = ( xForced && ( x0 < *xForced ) && ( *xForced < x1 ))))
+ {
+ // divide a range at xForced
+
+ // find a range to insert xForced
+ double pos = ( *xForced - x0 ) / ( x1 - x0 );
+ int iR = 1;
+ while ( pos > points[ iR ] ) ++iR;
+
+ // insert xForced
+ vector<double>::iterator pntIt = points.begin() + iR;
+ points.insert( pntIt, pos );
+ vector<string>::iterator funIt = spaceFuns.begin() + iR;
+ spaceFuns.insert( funIt, spaceFuns[ iR-1 ]);
+ }
coords.clear();
for ( size_t i = 0; i < spaceFuns.size(); ++i )
{
- FunctionExpr fun( spaceFuns[i].c_str(), /*convMode=*/-1 );
+ StdMeshers::FunctionExpr fun( spaceFuns[i].c_str(), /*convMode=*/-1 );
const double p0 = x0 * ( 1. - points[i]) + x1 * points[i];
const double p1 = x0 * ( 1. - points[i+1]) + x1 * points[i+1];
if ( fabs( coords.back() - p1 ) > 0.5 * lastCellLen )
coords.push_back ( p1 );
}
+
+ // correct coords if a forced point is too close to a neighbor node
+ if ( forced )
+ {
+ int iF = 0;
+ double minLen = ( x1 - x0 );
+ for ( size_t i = 1; i < coords.size(); ++i )
+ {
+ if ( !iF && Abs( coords[i] - *xForced ) < 1e-20 )
+ iF = i++; // xForced found
+ else
+ minLen = Min( minLen, coords[i] - coords[i-1] );
+ }
+ const double tol = minLen * 1e-3;
+ int iRem = -1;
+ if (( iF > 1 ) && ( coords[iF] - coords[iF-1] < tol ))
+ iRem = iF-1;
+ else if (( iF < coords.size()-2 ) && ( coords[iF+1] - coords[iF] < tol ))
+ iRem = iF+1;
+ if ( iRem > 0 )
+ coords.erase( coords.begin() + iRem );
+ }
}
//=======================================================================
bndBox.Get(x0,y0,z0, x1,y1,z1);
}
+ double fp[3], *pfp[3] = { NULL, NULL, NULL };
+ if ( GetFixedPoint( fp ))
+ {
+ // convert fp into a basis defined by _axisDirs
+ gp_XYZ axis[3] = { gp_XYZ( _axisDirs[0], _axisDirs[1], _axisDirs[2] ),
+ gp_XYZ( _axisDirs[3], _axisDirs[4], _axisDirs[5] ),
+ gp_XYZ( _axisDirs[6], _axisDirs[7], _axisDirs[8] ) };
+ axis[0].Normalize();
+ axis[1].Normalize();
+ axis[2].Normalize();
+
+ gp_Mat basis( axis[0], axis[1], axis[2] );
+ gp_Mat bi = basis.Inverted();
+
+ gp_XYZ p( fp[0], fp[1], fp[2] );
+ p *= bi;
+ p.Coord( fp[0], fp[1], fp[2] );
+
+ pfp[0] = & fp[0];
+ pfp[1] = & fp[1];
+ pfp[2] = & fp[2];
+ }
+
StdMeshers_CartesianParameters3D* me = const_cast<StdMeshers_CartesianParameters3D*>(this);
if ( IsGridBySpacing(0) )
- ComputeCoordinates( x0, x1, me->_spaceFunctions[0], me->_internalPoints[0], xNodes, "X" );
+ ComputeCoordinates
+ ( x0, x1, me->_spaceFunctions[0], me->_internalPoints[0], xNodes, "X", pfp[0] );
else
xNodes = _coords[0];
if ( IsGridBySpacing(1) )
- ComputeCoordinates( y0, y1, me->_spaceFunctions[1], me->_internalPoints[1], yNodes, "Y" );
+ ComputeCoordinates
+ ( y0, y1, me->_spaceFunctions[1], me->_internalPoints[1], yNodes, "Y", pfp[1] );
else
yNodes = _coords[1];
if ( IsGridBySpacing(2) )
- ComputeCoordinates( z0, z1, me->_spaceFunctions[2], me->_internalPoints[2], zNodes, "Z" );
+ ComputeCoordinates
+ ( z0, z1, me->_spaceFunctions[2], me->_internalPoints[2], zNodes, "Z", pfp[2] );
else
zNodes = _coords[2];
}
