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71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
#ifndef FILE_SURFACEGEOM
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#define FILE_SURFACEGEOM
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/* *************************************************************************/
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/* File: surfacegeom.hpp */
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/* Author: Michael Neunteufel */
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/* Date: Jun. 2020 */
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/* *************************************************************************/
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#include <functional>
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namespace netgen
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{
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class DLL_HEADER SurfaceGeometry : public NetgenGeometry
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{
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function<Vec<3>(Point<2>)> func;
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double eps=1e-4;
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private:
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void CalcHesse(double u, double v, Vec<3>& f_uu, Vec<3>& f_vv, Vec<3>& f_uv) const;
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public:
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SurfaceGeometry();
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SurfaceGeometry(function<Vec<3>(Point<2>)> func);
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SurfaceGeometry(const SurfaceGeometry& geom);
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SurfaceGeometry& operator =(const SurfaceGeometry& geom)
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{
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func = geom.func;
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eps = geom.eps;
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return *this;
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}
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Array<Vec<3>> GetTangentVectors(double u, double v) const;
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virtual Vec<3> GetNormal(int surfind, const Point<3> & p, const PointGeomInfo* gi) const override;
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virtual PointGeomInfo ProjectPoint(int surfind, Point<3> & p) const override;
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virtual void ProjectPointEdge (int surfind, int surfind2, Point<3> & p,
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EdgePointGeomInfo* gi = nullptr) const override;
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virtual bool ProjectPointGI (int surfind, Point<3> & p, PointGeomInfo & gi) const override;
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virtual bool CalcPointGeomInfo(int surfind, PointGeomInfo& gi, const Point<3> & p3) const override;
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virtual void PointBetweenEdge(const Point<3> & p1, const Point<3> & p2, double secpoint,
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int surfi1, int surfi2,
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const EdgePointGeomInfo & ap1,
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const EdgePointGeomInfo & ap2,
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Point<3> & newp, EdgePointGeomInfo & newgi) const override;
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virtual void PointBetween(const Point<3> & p1, const Point<3> & p2, double secpoint,
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int surfi,
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const PointGeomInfo & gi1,
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const PointGeomInfo & gi2,
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Point<3> & newp, PointGeomInfo & newgi) const override;
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int GenerateMesh(shared_ptr<Mesh> & mesh, bool quads, int nx, int ny, bool flip_triangles, const Array<Point<3>>& bbbpts, const Array<string>& bbbnames);
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};
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}
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#endif //SURFACEGEOM
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