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0024694: Wrong processing of two surfaces (implicit and parametric) having tangential intersection: it is not found by intersector

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jgv
2014-04-25 18:26:03 +04:00
parent 74be04cbbf
commit 8e7f2ee5e2
23 changed files with 2145 additions and 651 deletions
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34
src/IntSurf/IntSurf_QuadricTool.cxx
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@@ -17,6 +17,40 @@
#include <gp_Sphere.hxx>
#include <gp_Cylinder.hxx>
void IntSurf_QuadricTool::ValueAndGradient (const IntSurf_Quadric& Quad,
const Standard_Real X,
const Standard_Real Y,
const Standard_Real Z,
Standard_Real& Val,
gp_Vec& Grad,
gp_Vec& D1U,
gp_Vec& D1V)
{
gp_Pnt thePoint(X,Y,Z);
Quad.ValAndGrad(thePoint, Val, Grad);
Standard_Real U, V;
Quad.Parameters(thePoint, U, V);
Quad.D1(U, V, thePoint, D1U, D1V);
}
void IntSurf_QuadricTool::D2 (const IntSurf_Quadric& Quad,
const gp_Pnt& aPoint,
gp_Vec& D1U,
gp_Vec& D1V,
gp_Vec& D2U,
gp_Vec& D2V,
gp_Vec& D2UV)
{
Standard_Real U, V;
Quad.Parameters(aPoint, U, V);
gp_Pnt thePoint;
Quad.D1(U, V, thePoint, D1U, D1V);
D2U = Quad.DN(U, V, 2, 0);
D2V = Quad.DN(U, V, 0, 2);
D2UV = Quad.DN(U, V, 1, 1);
}
Standard_Real IntSurf_QuadricTool::Tolerance (const IntSurf_Quadric& Q) {
switch (Q.TypeQuadric()) {
case GeomAbs_Sphere: