00001 // This is brl/bseg/sdet/sdet_region.h 00002 #ifndef sdet_region_h_ 00003 #define sdet_region_h_ 00004 //----------------------------------------------------------------------------- 00005 //: 00006 // \file 00007 // \author J.L. Mundy 00008 // \brief A region class for the watershed algorithm. 00009 // 00010 // \verbatim 00011 // Modifications 00012 // Initial version July 11, 2004 00013 // \endverbatim 00014 // 00015 //----------------------------------------------------------------------------- 00016 #include <vcl_iosfwd.h> 00017 #include "sdet_region_sptr.h" 00018 #include <vsol/vsol_polygon_2d_sptr.h> 00019 #include <vdgl/vdgl_digital_region.h> 00020 00021 class sdet_region : public vdgl_digital_region 00022 { 00023 public: 00024 sdet_region(); 00025 sdet_region(int npts, const float* xp, const float* yp, 00026 const unsigned short *pix); 00027 sdet_region(vdgl_digital_region const& reg); 00028 ~sdet_region() {} 00029 //:accessors 00030 void set_label(const unsigned int label){region_label_ = label;} 00031 unsigned int label() const {return region_label_;} 00032 00033 void set_boundary(vsol_polygon_2d_sptr const& boundary){boundary_ = boundary;} 00034 vsol_polygon_2d_sptr boundary(); 00035 00036 vdgl_digital_region* cast_to_digital_region(){return (vdgl_digital_region*) this;} 00037 00038 //:utilities 00039 bool compute_boundary(); 00040 // must implement comparison since containers need this 00041 struct compare 00042 { 00043 bool operator()(sdet_region_sptr const & l, 00044 sdet_region_sptr const & r) const 00045 { 00046 if (!l||!r) 00047 return false; 00048 return l->Npix() < r->Npix();//Large areas are favored 00049 } 00050 }; 00051 protected: 00052 unsigned int region_label_; 00053 bool boundary_valid_; 00054 vsol_polygon_2d_sptr boundary_; 00055 }; 00056 00057 vcl_ostream& operator<<(vcl_ostream& s, sdet_region const& sd); 00058 00059 #endif // sdet_region_h_
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