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PAL7913. Add static ShellPoint()

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eap 2005-02-01 07:44:53 +00:00
parent 316e159045
commit fedc148b81
1 changed files with 36 additions and 0 deletions
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36
src/SMESH/SMESH_Block.cxx
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@ -239,6 +239,42 @@ bool SMESH_Block::ShellPoint( const gp_XYZ& theParams, gp_XYZ& thePoint ) const
return true;
}
//=======================================================================
//function : ShellPoint
//purpose : computes coordinates of a point in shell by points on sub-shapes;
// thePointOnShape[ subShapeID ] must be a point on a subShape
//=======================================================================
bool SMESH_Block::ShellPoint(const gp_XYZ& theParams,
const vector<gp_XYZ>& thePointOnShape,
gp_XYZ& thePoint )
{
if ( thePointOnShape.size() < ID_F1yz )
return false;
double x = theParams.X(), y = theParams.Y(), z = theParams.Z();
double x1 = 1. - x, y1 = 1. - y, z1 = 1. - z;
const vector<gp_XYZ>& p = thePointOnShape;
thePoint =
x1 * p[ID_F0yz] + x * p[ID_F1yz]
+ y1 * p[ID_Fx0z] + y * p[ID_Fx1z]
+ z1 * p[ID_Fxy0] + z * p[ID_Fxy1]
+ x1 * (y1 * (z1 * p[ID_V000] + z * p[ID_V001])
+ y * (z1 * p[ID_V010] + z * p[ID_V011]))
+ x * (y1 * (z1 * p[ID_V100] + z * p[ID_V101])
+ y * (z1 * p[ID_V110] + z * p[ID_V111]));
thePoint -=
x1 * (y1 * p[ID_E00z] + y * p[ID_E01z])
+ x * (y1 * p[ID_E10z] + y * p[ID_E11z])
+ y1 * (z1 * p[ID_Ex00] + z * p[ID_Ex01])
+ y * (z1 * p[ID_Ex10] + z * p[ID_Ex11])
+ z1 * (x1 * p[ID_E0y0] + x * p[ID_E1y0])
+ z * (x1 * p[ID_E0y1] + x * p[ID_E1y1]);
return true;
}
//=======================================================================
//function : NbVariables
//purpose :