00001 #ifndef rgrl_mask_oriented_box_h_ 00002 #define rgrl_mask_oriented_box_h_ 00003 //: 00004 // \file 00005 // \brief mask using oriented box (i.e., not-axis-aligned) 00006 // After applying the (transpose of) rotation matrix, 00007 // it is defined by min and max two points (similar to rgrl_mask_box) 00008 // 00009 // \author Gehua Yang 00010 // \date Jan 2007 00011 // \verbatim 00012 // Modifications 00013 // \endverbatim 00014 00015 #include <vcl_iosfwd.h> 00016 #include <vnl/vnl_vector.h> 00017 #include <vnl/vnl_matrix.h> 00018 00019 #include <rgrl/rgrl_object.h> 00020 #include <rgrl/rgrl_macros.h> 00021 #include <rgrl/rgrl_mask.h> 00022 00023 //: this is a wrapper on an oriented box 00024 class rgrl_mask_oriented_box 00025 : public rgrl_mask 00026 { 00027 public: 00028 //: Null initialization 00029 // 00030 // Initializes the region to the box from (0,0,...) to (0,0,...) 00031 // 00032 rgrl_mask_oriented_box( unsigned dim ); 00033 00034 //: Initialize a box from \a origin with length \a len. 00035 rgrl_mask_oriented_box( vnl_vector<double> const& origin, 00036 vnl_matrix<double> const& axes, 00037 vnl_vector<double> const& len ); 00038 00039 //: Initialize a box from \a x0 to \a x1 using axes specified in columns of \a axes 00040 rgrl_mask_oriented_box( vnl_vector<double> const& oriented_xmin, 00041 vnl_vector<double> const& oriented_xmax, 00042 vnl_matrix<double> const& axes ); 00043 00044 //: True if a point is inside the region 00045 bool inside( vnl_vector<double> const& pt ) const; 00046 00047 //: Set the lengths along each axis 00048 void set_len( vnl_vector<double> const& len ); 00049 00050 //: Set the axes 00051 void set_axes( vnl_matrix<double> const& axes ); 00052 00053 //: the lower coordinate of the box. 00054 vnl_vector<double> 00055 origin() const; 00056 00057 //: Set the lengths along each axis 00058 vnl_vector<double> 00059 len() const 00060 { return omax_-omin_; } 00061 00062 //: Set the axes 00063 vnl_matrix<double> const& 00064 axes() const 00065 { return axes_; } 00066 00067 //: get the xmin after re-orientation 00068 vnl_vector<double> const& 00069 oriented_x0() const 00070 { return omin_; } 00071 00072 //: get the xmin after re-orientation 00073 vnl_vector<double> const& 00074 oriented_x1() const 00075 { return omax_; } 00076 00077 //: True iff all the components are equal. 00078 bool operator==( const rgrl_mask_oriented_box& other ) const; 00079 00080 //: True iff some of the components are not equal. 00081 bool operator!=( const rgrl_mask_oriented_box& other ) const; 00082 00083 //: get average distance of corresponding vertices between two oriented box 00084 double 00085 average_vertices_dist( const rgrl_mask_oriented_box& other ) const; 00086 00087 // Defines type-related functions 00088 rgrl_type_macro( rgrl_mask_oriented_box, rgrl_mask ); 00089 00090 protected: 00091 void update_bounding_box(); 00092 00093 protected: 00094 //: min after rotation 00095 vnl_vector<double> omin_; 00096 //: max after rotation 00097 vnl_vector<double> omax_; 00098 vnl_matrix<double> axes_; 00099 }; 00100 00101 //: An output operator for displaying a mask_box 00102 vcl_ostream& operator<<(vcl_ostream& os, const rgrl_mask_oriented_box& box); 00103 00104 //: An output operator for displaying a mask_box 00105 vcl_istream& operator>>(vcl_istream& is, rgrl_mask_oriented_box& box); 00106 00107 #endif
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