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#ifndef __GEOMETRY_TESSELATE_H
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#define __GEOMETRY_TESSELATE_H
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#include "CGLA/Vec3f.h"
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#include "Util/Grid2D.h"
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#include "IndexedFaceSet.h"
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namespace Geometry
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{
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	class ParSurf
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{
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public:
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	virtual CGLA::Vec3f operator()(float u, float v) const = 0;
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};
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extern float MAX_ERR;
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extern float MAX_DIST;
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extern int ADAPTIVE;
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void tessellate(IndexedFaceSet& face_set, ParSurf& s,
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			   float u_min, float u_max, float v_min, float v_max,
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			   int n, int m);
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void tessellate(IndexedFaceSet& face_set, ParSurf& s,
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			   Util::Grid2D<CGLA::Vec3f>& inigrid);
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void tessellate(IndexedFaceSet& face_set, ParSurf& s,
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			   std::vector<CGLA::Vec2f> uv_points,
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			   std::vector<CGLA::Vec3i> triangles);
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}
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#endif