Index C++ Code Documentation geom::surface0::Color Derived from: geom::surface0::Geometry Children: geom::surface0::Surface File: GEOM/geom/surface0/Color.H public: Color(); constructor Color( Color const & ); copy constructor virtual ~Color(); destructor Color &operator=( Color const & ); assignment operator virtual void color_original( base::Color4 const &p ); virtual void color_fixed( base::Color4 const &p ); Color the surface a modification of its original color. Arguments 1/2,1/2,1/2,1/2 restore the surface to its original color. Other arguments color the surface by piecewise linear interpolation between 0, the original value, and 1 (except hue which shifts). virtual void color_by_normal( base::Color4 const &p ); Color the surface at each vertex by the normal direction of the surface at that vertex virtual void color_by_direction( base::Color4 const &p ); Color the surface at each vertex by its direction of that vertex from the origin (r,g,b) = scale * (unit direction vector) virtual void color_by_distance( base::Color4 const &p, float scale ); Color the surface at each vertex by its distance from the origin the distance, in the interval [0,inf) is rescaled to the interval [0,1) by an arctan function virtual void color_by_area( base::Color4 const &p, float scale ); Color the surface at each vertex by the area of an adjacent face virtual void color_by_gaussian_curvature( base::Color4 const &p, float scale ); Color the surface by discrete Gaussian curvature. virtual void color_by_mean_curvature( base::Color4 const &p, float scale ); Color the surface by discrete mean curvature. virtual void color_randomly( base::Color4 const &p ); Color the faces of the surface with randomly chosen colors. void color_checked( base::Color4 const &c0, base::Color4 const &c1 ); void alpha_fade( float alpha, float scale ); sets alpha as follows: alpha is 1 in the interval [0,x0] alpha ranges from 1->0 linerarly in the interval [x0,x1] alpha is 1 in the interval [x1,inf] bool has_original_color() const; bool has_array_color() const; base::Color4 const &fixed_color() const; base::Color4 const &vertex_color(uint i) const; base::Color4 const &face_color(uint i) const; void import_face_color( base::vector<base::Color4> const &color ); void import_vertex_color( base::vector<base::Color4> const &color ); void import_face_color( base::vector<base::vector<base::Color4> > const &color ); void import_vertex_color( base::vector<base::vector<base::Color4> > const &color ); void set_fixed_color( base::Color4 const & ); void clear_color(); void reset_color(); void dump( ::io::Ostream & ) const; void colorData( uint &mode, base::Color4 &color0, base::Color4 &color1, float &scale ); protected: private: void _compute_vertex_color(); void _compute_face_color(); float _color_by_normal_fn(uint i ); float _color_by_direction_fn(uint i ); float _color_by_distance_fn( uint i, float scale ); float _color_by_area_fn( uint i, float scale ); float _color_by_gaussian_curvature_fn( uint i, float scale ); float _color_by_mean_curvature_fn( uint i, float scale ); float _color_randomly_fn( uint ); typedef float (Color::*ColorFunction0)(uint i); typedef float (Color::*ColorFunction1)(uint i, float scale); void _compute_color( base::Color4 const &p, ColorFunction0 f ); void _compute_color( base::Color4 const &p, float scale, ColorFunction1 f ); virtual base::Color4 &face_color(uint n); virtual base::Color4 &vertex_color(uint n); static void _adjust_color( base::Color4 &color_out, float hue, base::Color4 const &color_spec ); static void _adjust_color( base::Color4 &color_out, base::Color4 const &color_in, base::Color4 const &color_spec ); static float _alpha_fade( float x, float x0, float x1 ); static float _point_to_hue( Vertex3 const & ); static float _implode1( float ); static float _implode2( float ); static float _interpolate0( float x, float x0, float y0 ); static float _interpolate1( float x, float x0, float x1 ); struct ColorMode; }; mutable ColorMode _colormode; mutable bool _has_original_color; base::Color4 _fixed_color0; mutable base::Color4 _fixed_color1; mutable base::Color4 &_fixed_color; base::vector<base::Color4> _face_color0; mutable base::vector<base::Color4> _face_color1; mutable base::vector<base::Color4> *_face_color; base::vector<base::Color4> _vertex_color0; mutable base::vector<base::Color4> _vertex_color1; mutable base::vector<base::Color4> *_vertex_color;
	geom::surface0::Color GANG