PlainMap.cppGo to the documentation of this file.00001 /* ****************************************************************** ** 00002 ** OpenSees - Open System for Earthquake Engineering Simulation ** 00003 ** Pacific Earthquake Engineering Research Center ** 00004 ** ** 00005 ** ** 00006 ** (C) Copyright 1999, The Regents of the University of California ** 00007 ** All Rights Reserved. ** 00008 ** ** 00009 ** Commercial use of this program without express permission of the ** 00010 ** University of California, Berkeley, is strictly prohibited. See ** 00011 ** file 'COPYRIGHT' in main directory for information on usage and ** 00012 ** redistribution, and for a DISCLAIMER OF ALL WARRANTIES. ** 00013 ** ** 00014 ** Developed by: ** 00015 ** Frank McKenna (fmckenna@ce.berkeley.edu) ** 00016 ** Gregory L. Fenves (fenves@ce.berkeley.edu) ** 00017 ** Filip C. Filippou (filippou@ce.berkeley.edu) ** 00018 ** ** 00019 ** ****************************************************************** */ 00020 00021 // $Revision: 1.3 $ 00022 // $Date: 2003/02/14 23:01:58 $ 00023 // $Source: /usr/local/cvs/OpenSees/SRC/renderer/PlainMap.cpp,v $ 00024 00025 // Written: fmk 00026 // Created: 10/98 00027 // 00028 // Description: This file contains the class definition for PlainMap. 00029 // PlainMap is an abstract base class. An PlainMap object is used 00030 // to determine the r,g,b values given an input value. 00031 // 00032 // What: "@(#) PlainMap.h, revA" 00033 00034 #include <PlainMap.h> 00035 #include <OPS_Stream.h> 00036 #include <stdlib.h> 00037 #include <math.h> 00038 00039 static float jet[64*3] = { 00040 0, 0, 0.5625, 00041 0, 0, 0.6250, 00042 0, 0, 0.6875, 00043 0, 0, 0.7500, 00044 0, 0, 0.8125, 00045 0, 0, 0.8750, 00046 0, 0, 0.9375, 00047 0, 0, 1.0000, 00048 0, 0.0625, 1.0000, 00049 0, 0.1250, 1.0000, 00050 0, 0.1875, 1.0000, 00051 0, 0.2500, 1.0000, 00052 0, 0.3125, 1.0000, 00053 0, 0.3750, 1.0000, 00054 0, 0.4375, 1.0000, 00055 0, 0.5000, 1.0000, 00056 0, 0.5625, 1.0000, 00057 0, 0.6250, 1.0000, 00058 0, 0.6875, 1.0000, 00059 0, 0.7500, 1.0000, 00060 0, 0.8125, 1.0000, 00061 0, 0.8750, 1.0000, 00062 0, 0.9375, 1.0000, 00063 0, 1.0000, 1.0000, 00064 0.0625, 1.0000, 1.0000, 00065 0.1250, 1.0000, 0.9375, 00066 0.1875, 1.0000, 0.8750, 00067 0.2500, 1.0000, 0.8125, 00068 0.3125, 1.0000, 0.7500, 00069 0.3750, 1.0000, 0.6875, 00070 0.4375, 1.0000, 0.6250, 00071 0.5000, 1.0000, 0.5625, 00072 0.5625, 1.0000, 0.5000, 00073 0.6250, 1.0000, 0.4375, 00074 0.6875, 1.0000, 0.3750, 00075 0.7500, 1.0000, 0.3125, 00076 0.8125, 1.0000, 0.2500, 00077 0.8750, 1.0000, 0.1875, 00078 0.9375, 1.0000, 0.1250, 00079 1.0000, 1.0000, 0.0625, 00080 1.0000, 1.0000, 0, 00081 1.0000, 0.9375, 0, 00082 1.0000, 0.8750, 0, 00083 1.0000, 0.8125, 0, 00084 1.0000, 0.7500, 0, 00085 1.0000, 0.6875, 0, 00086 1.0000, 0.6250, 0, 00087 1.0000, 0.5625, 0, 00088 1.0000, 0.5000, 0, 00089 1.0000, 0.4375, 0, 00090 1.0000, 0.3750, 0, 00091 1.0000, 0.3125, 0, 00092 1.0000, 0.2500, 0, 00093 1.0000, 0.1875, 0, 00094 1.0000, 0.1250, 0, 00095 1.0000, 0.0625, 0, 00096 1.0000, 0, 0, 00097 0.9375, 0, 0, 00098 0.8750, 0, 0, 00099 0.8125, 0, 0, 00100 0.7500, 0, 0, 00101 0.6875, 0, 0, 00102 0.6250, 0, 0, 00103 0.5625, 0, 0}; 00104 00105 00106 00107 PlainMap::PlainMap() 00108 :max(0.0), min(0.0), maxLast(0.0), minLast(0.0) 00109 { 00110 data = jet; 00111 sizeData = 64; 00112 } 00113 00114 00115 float 00116 PlainMap::getRed(float value){ 00117 if (value > max) 00118 max = value; 00119 else if (value < min) 00120 min = value; 00121 00122 if (maxLast == minLast) { 00123 int index = sizeData/2; 00124 return data[index*3-3]; 00125 00126 } else if (value > maxLast) 00127 return data[sizeData*3-3]; 00128 else if (value < minLast) 00129 return data[0]; 00130 else { 00131 int index = (floor)((value-minLast)*sizeData/((maxLast-minLast))); 00132 return data[index*3-3]; 00133 } 00134 00135 return 0.0; 00136 } 00137 00138 00139 float 00140 PlainMap::getGreen(float value) { 00141 if (value > max) 00142 max = value; 00143 else if (value < min) 00144 min = value; 00145 00146 if (maxLast == minLast) { 00147 int index = sizeData/2; 00148 return data[index*3-2]; 00149 00150 } else if (value > maxLast) 00151 return data[sizeData*3-2]; 00152 else if (value < minLast) 00153 return data[1]; 00154 else { 00155 int index = (floor)((value-minLast)*sizeData/((maxLast-minLast))); 00156 return data[index*3-2]; 00157 } 00158 00159 return 0.0; 00160 } 00161 00162 float 00163 PlainMap::getBlue(float value) { 00164 if (value > max) 00165 max = value; 00166 else if (value < min) 00167 min = value; 00168 00169 if (maxLast == minLast) { 00170 int index = sizeData/2; 00171 return data[index*3-1]; 00172 00173 } else if (value > maxLast) 00174 return data[sizeData*3-1]; 00175 else if (value < minLast) 00176 return data[2]; 00177 else { 00178 int index = (floor)((value-minLast)*sizeData/((maxLast-minLast))); 00179 return data[index*3-1]; 00180 } 00181 00182 return 0.0; 00183 } 00184 00185 int 00186 PlainMap::getRGB(float value, float &red, float &blue, float &green) { 00187 red = this->getRed(value); 00188 green = this->getGreen(value); 00189 blue = this->getBlue(value); 00190 return 0; 00191 } 00192 00193 00194 00195 int 00196 PlainMap::startImage() 00197 { 00198 maxLast = max; 00199 minLast = min; 00200 max = 0; 00201 min = 0; 00202 00203 if (maxLast > -minLast) 00204 maxLast = -minLast; 00205 if (minLast < -maxLast) 00206 minLast = -maxLast; 00207 return 0; 00208 }
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