00001 /*!@file Psycho/PixPerDeg.H An eye movement trace */ 00002 00003 // //////////////////////////////////////////////////////////////////// // 00004 // The iLab Neuromorphic Vision C++ Toolkit - Copyright (C) 2000-2005 // 00005 // by the University of Southern California (USC) and the iLab at USC. // 00006 // See http://iLab.usc.edu for information about this project. // 00007 // //////////////////////////////////////////////////////////////////// // 00008 // Major portions of the iLab Neuromorphic Vision Toolkit are protected // 00009 // under the U.S. patent ``Computation of Intrinsic Perceptual Saliency // 00010 // in Visual Environments, and Applications'' by Christof Koch and // 00011 // Laurent Itti, California Institute of Technology, 2001 (patent // 00012 // pending; application number 09/912,225 filed July 23, 2001; see // 00013 // http://pair.uspto.gov/cgi-bin/final/home.pl for current status). // 00014 // //////////////////////////////////////////////////////////////////// // 00015 // This file is part of the iLab Neuromorphic Vision C++ Toolkit. // 00016 // // 00017 // The iLab Neuromorphic Vision C++ Toolkit is free software; you can // 00018 // redistribute it and/or modify it under the terms of the GNU General // 00019 // Public License as published by the Free Software Foundation; either // 00020 // version 2 of the License, or (at your option) any later version. // 00021 // // 00022 // The iLab Neuromorphic Vision C++ Toolkit is distributed in the hope // 00023 // that it will be useful, but WITHOUT ANY WARRANTY; without even the // 00024 // implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR // 00025 // PURPOSE. See the GNU General Public License for more details. // 00026 // // 00027 // You should have received a copy of the GNU General Public License // 00028 // along with the iLab Neuromorphic Vision C++ Toolkit; if not, write // 00029 // to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, // 00030 // Boston, MA 02111-1307 USA. // 00031 // //////////////////////////////////////////////////////////////////// // 00032 // 00033 // Primary maintainer for this file: David J. Berg <dberg@usc.edu> 00034 // $HeadURL: svn://isvn.usc.edu:/software/invt/trunk/saliency/src/Psycho/PixPerDeg.H $ 00035 // 00036 00037 #ifndef PSYCHO_PIXPERDEG_H_DEFINED 00038 #define PSYCHO_PIXPERDEG_H_DEFINED 00039 00040 //A class to hold pixel per degree information 00041 class PixPerDeg 00042 { 00043 public: 00044 PixPerDeg(); 00045 PixPerDeg(const float& ppdx, const float& ppdy); 00046 ~PixPerDeg(); 00047 00048 //Get pixels-per-degree of the display 00049 float ppd() const; 00050 00051 //Get x pixels-per-degree of the display 00052 float ppdx() const; 00053 00054 //Get y pixels-per-degree of the display 00055 float ppdy() const; 00056 00057 //! See if two PixPerDeg are the same. 00058 bool operator==(const PixPerDeg& x) const throw(); 00059 00060 //! See if two PixPerDeg are different. 00061 bool operator!=(const PixPerDeg& x) const throw(); 00062 00063 00064 private: 00065 float itsPPDx, itsPPDy; 00066 }; 00067 00068 //! PixPerDeg overload: format is "<float>,<float>" 00069 std::string convertToString(const PixPerDeg& val); 00070 00071 //! PixPerDeg overload: format is "<float>,<float>" 00072 void convertFromString(const std::string& str, PixPerDeg& val); 00073 00074 // ###################################################################### 00075 /* So things look consistent in everyone's emacs... */ 00076 /* Local Variables: */ 00077 /* mode: c++ */ 00078 /* indent-tabs-mode: nil */ 00079 /* End: */ 00080 00081 #endif // PSYCHO_PIXPERDEG_H_DEFINED
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