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Merge remote-tracking branch 'kkremitzki/master'
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commit
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#include <csg.hpp>
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#include <mystdlib.h>
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#include "splinesurface.hpp"
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namespace netgen
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{
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SplineSurface :: SplineSurface() : OneSurfacePrimitive()
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{ ; }
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SplineSurface :: ~SplineSurface() { ; }
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void SplineSurface :: AppendPoint(const Point<3> & p, const double reffac, const bool hpref)
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{
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geompoints.Append(GeomPoint<3>(p,reffac));
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geompoints.Last().hpref = hpref;
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}
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double SplineSurface :: CalcFunctionValue (const Point<3> & point) const
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{
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auto v1 = splines[0]->GetTangent(0);
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auto v2 = splines.Last()->GetTangent(1);
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auto p1 = splines[0]->GetPoint(0);
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auto n = Cross(v1,v2);
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n.Normalize();
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return n * (point-p1);
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}
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void SplineSurface :: CalcGradient (const Point<3> & point, Vec<3> & grad) const
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{
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auto v1 = splines[0]->GetTangent(0);
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auto v2 = splines.Last()->GetTangent(1);
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auto p1 = splines[0]->GetPoint(0);
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grad = Cross(v1,v2);
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grad.Normalize();
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}
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double SplineSurface :: HesseNorm() const
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{
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return 0;
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}
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Point<3> SplineSurface :: GetSurfacePoint() const
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{
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return splines[0]->GetPoint(0);
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}
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void SplineSurface :: Print(ostream & str) const
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{
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str << "SplineSurface " << endl;
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}
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INSOLID_TYPE SplineSurface :: BoxInSolid(const BoxSphere<3> & box) const
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{
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int i;
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double val;
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val = CalcFunctionValue (box.Center());
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if (val > box.Diam() / 2) return IS_OUTSIDE;
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if (val < -box.Diam() / 2) return IS_INSIDE;
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Vec<3> n = GetNormalVector(box.Center());
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double cx = n[0];
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double cy = n[1];
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double cz = n[2];
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if (val > 0)
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{
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Vec<3> vdiag = box.PMax() - box.PMin();
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double modify = (vdiag(0) * fabs (cx) +
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vdiag(1) * fabs (cy) +
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vdiag(2) * fabs (cz) ) / 2;
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if (val - modify < 0)
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return DOES_INTERSECT;
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return IS_OUTSIDE;
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}
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else
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{
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Vec<3> vdiag = box.PMax() - box.PMin();
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double modify = (vdiag(0) * fabs (cx) +
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vdiag(1) * fabs (cy) +
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vdiag(2) * fabs (cz) ) / 2;
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if (val + modify > 0)
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return DOES_INTERSECT;
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return IS_INSIDE;
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}
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}
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}
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@ -1,46 +0,0 @@
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#ifndef FILE_SPLINESURFACE
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#define FILE_SPLINESURFACE
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namespace netgen
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{
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class SplineSurface : public OneSurfacePrimitive
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{
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protected:
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Array<GeomPoint<3>> geompoints;
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Array<SplineSeg<3>*> splines;
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Array<string*> bcnames;
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public:
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SplineSurface();
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virtual ~SplineSurface();
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const Array<SplineSeg<3>*> & GetSplines() const { return splines; }
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int GetNSplines() const { return splines.Size(); }
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string GetSplineType(const int i) const { return splines[i]->GetType(); }
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SplineSeg<3> & GetSpline(const int i) { return *splines[i]; }
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const SplineSeg<3> & GetSpline(const int i) const { return *splines[i]; }
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int GetNP() const { return geompoints.Size(); }
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const GeomPoint<3> & GetPoint(int i) const { return geompoints[i]; }
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DLL_HEADER void AppendPoint(const Point<3> & p, const double reffac = 1., const bool hpref=false);
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void AppendSegment(SplineSeg<3>* spline, string* bcname);
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Array<Plane*>* CreatePlanes() const;
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virtual double CalcFunctionValue (const Point<3> & point) const;
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virtual void CalcGradient (const Point<3> & point, Vec<3> & grad) const;
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virtual double HesseNorm () const;
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virtual Point<3> GetSurfacePoint () const;
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virtual void CalcSpecialPoints(Array<Point<3>> & pts) const;
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virtual INSOLID_TYPE BoxInSolid(const BoxSphere<3> & box) const;
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virtual void Print (ostream & str) const;
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};
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}
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#endif
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