Fawkes API Fawkes Development Version
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00001 /*************************************************************************** 00002 * fit_accum.h - Header for 'fitted circle' accumulator 00003 * used by Fix-Point RCD Algorithm 00004 * 00005 * Created: Sat Sep 10 17:25:55 2005 00006 * Copyright 2005 Hu Yuxiao <Yuxiao.Hu@rwth-aachen.de> 00007 * 00008 ****************************************************************************/ 00009 00010 /* This program is free software; you can redistribute it and/or modify 00011 * it under the terms of the GNU General Public License as published by 00012 * the Free Software Foundation; either version 2 of the License, or 00013 * (at your option) any later version. A runtime exception applies to 00014 * this software (see LICENSE.GPL_WRE file mentioned below for details). 00015 * 00016 * This program is distributed in the hope that it will be useful, 00017 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00019 * GNU Library General Public License for more details. 00020 * 00021 * Read the full text in the LICENSE.GPL_WRE file in the doc directory. 00022 */ 00023 00024 #ifndef __FIREVISION_MODELS_SHAPE_ACCUMULATORS_FIT_ACCUM_H_ 00025 #define __FIREVISION_MODELS_SHAPE_ACCUMULATORS_FIT_ACCUM_H_ 00026 00027 #include <utils/math/types.h> 00028 #include <fvutils/base/types.h> 00029 00030 namespace firevision { 00031 #if 0 /* just to make Emacs auto-indent happy */ 00032 } 00033 #endif 00034 00035 class Circle; 00036 00037 class FitAccum 00038 { 00039 private: 00040 static const float TOO_SMALL_DELTA; 00041 00042 private: 00043 int count; 00044 float A00, A01, A02; 00045 float A10, A11, A12; 00046 float A20, A21, A22; 00047 00048 float b0, b1, b2; 00049 00050 public: 00051 FitAccum(void); 00052 ~FitAccum(void); 00053 00054 void reset(void); 00055 void addPoint(const fawkes::point_t&); // add a point 00056 void removePoint(const fawkes::point_t&); // remove a point 00057 00058 int getCount(void) const; 00059 Circle* getCircle(void) const; 00060 }; 00061 00062 } // end namespace firevision 00063 00064 #endif