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// File: Plate_LineConstraint.cxx
// Created: Mon May 18 16:42:59 1998
// Author: Andre LIEUTIER
// <alr@sgi63>
#include <Plate_LineConstraint.ixx>
Plate_LineConstraint::Plate_LineConstraint(const gp_XY& point2d,
const gp_Lin& lin,
const Standard_Integer iu,
const Standard_Integer iv)
:myLSC(2,1)
{
gp_XYZ point = lin.Location().XYZ();
myLSC.SetPPC(1,Plate_PinpointConstraint(point2d,point,iu,iv));
gp_XYZ dir = lin.Direction().XYZ();
// one builds two directions orthogonal to dir
gp_XYZ dX(1,0,0);
gp_XYZ dY(0,1,0);
gp_XYZ d1 = dX ^ dir;
gp_XYZ d2 = dY ^ dir;
if(d2.SquareModulus() > d1.SquareModulus()) d1 = d2;
d1.Normalize();
d2 = dir ^ d1;
d2.Normalize();
myLSC.SetCoeff(1,1,d1);
myLSC.SetCoeff(2,1,d2);
}
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