1 | /* osgVisual test. distortionNG, experimental. |
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2 | * |
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3 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
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4 | * of this software and associated documentation files (the "Software"), to deal |
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5 | * in the Software without restriction, including without limitation the rights |
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6 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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7 | * copies of the Software, and to permit persons to whom the Software is |
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8 | * furnished to do so, subject to the following conditions: |
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9 | * |
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10 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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11 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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12 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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13 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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14 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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15 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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16 | * THE SOFTWARE. |
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17 | */ |
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18 | |
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19 | #include <osg/Vec3d> |
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20 | #include <osg/ImageUtils> |
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21 | #include <osgDB/FileUtils> |
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22 | #include <osgDB/ReadFile> |
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23 | #include <osgDB/fstream> |
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24 | |
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25 | #include "DistortionSetupStrategyProjectSyntropy.h" |
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26 | |
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27 | DistortionSetupStrategyProjectSyntropy::DistortionSetupStrategyProjectSyntropy() |
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28 | { |
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29 | _blendmapFilename = ""; |
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30 | _frustumFilename = ""; |
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31 | _distortionFilename = ""; |
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32 | |
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33 | _distortionInitialized=false; |
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34 | } |
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35 | |
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36 | DistortionSetupStrategyProjectSyntropy::~DistortionSetupStrategyProjectSyntropy() |
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37 | { |
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38 | |
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39 | } |
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40 | |
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41 | void DistortionSetupStrategyProjectSyntropy::setDistortionInputFiles(std::string distortionFile, std::string blendmapFile, std::string frustumFile) |
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42 | { |
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43 | _blendmapFilename = blendmapFile; |
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44 | _frustumFilename = frustumFile; |
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45 | _distortionFilename = distortionFile; |
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46 | } |
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47 | |
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48 | int DistortionSetupStrategyProjectSyntropy::readFrustumFromCSVFile(std::string filePath, int numValues, float* frustumValues) |
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49 | { |
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50 | int numSeparator=0; |
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51 | std::string line, valueString; |
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52 | char separator=';'; |
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53 | size_t valueStart, valueEnd; |
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54 | |
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55 | osgDB::ifstream inputFile (const_cast<char*>(filePath.c_str())); |
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56 | |
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57 | for (int i=0;i<numValues; i++) frustumValues[i]=0.0; |
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58 | |
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59 | if (inputFile.is_open()) |
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60 | { |
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61 | inputFile.clear(); |
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62 | inputFile.seekg (0, std::ios::beg); |
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63 | |
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64 | while (!inputFile.eof()) |
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65 | { |
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66 | getline (inputFile,line); |
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67 | |
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68 | if((line.size()>0) && (line.find('x')==std::string::npos)) |
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69 | {new osg::Vec2Array; |
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70 | numSeparator=0; |
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71 | for (size_t numLineChar=0; numLineChar < line.length(); numLineChar++) |
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72 | { |
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73 | if(line.at(numLineChar)==separator) numSeparator++; |
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74 | } |
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75 | if(numSeparator!=numValues-1) //Number of Entries per Line is not correct |
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76 | { |
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77 | OSG_ALWAYS<< "Inconsistency in file " << filePath << " detected. Please check this file." <<std::endl; |
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78 | return 1; |
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79 | } |
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80 | valueStart=0; |
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81 | valueEnd=0; |
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82 | for (int j=0;j<numValues; j++) |
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83 | { |
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84 | if(j!=numValues-1) |
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85 | { |
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86 | if((valueEnd=line.find(separator,valueStart))!=std::string::npos) |
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87 | { |
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88 | valueString=line.substr(valueStart,valueEnd-valueStart); |
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89 | valueStart=valueEnd+1; |
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90 | } |
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91 | } |
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92 | else valueString=line.substr(valueStart,line.size()); |
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93 | |
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94 | frustumValues[j]=atof(const_cast<char*>(valueString.c_str())); |
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95 | } |
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96 | } |
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97 | } |
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98 | inputFile.close(); |
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99 | } |
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100 | else //File couldn't be loaded |
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101 | { |
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102 | OSG_ALWAYS<< "Unable to open " << filePath << std::endl; |
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103 | return 1; |
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104 | } |
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105 | return 0; |
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106 | } |
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107 | |
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108 | int DistortionSetupStrategyProjectSyntropy::readMeshDimensionsFromCSVFile(std::string filePath, int* meshRows, int* meshColumns) |
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109 | { |
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110 | int tempRows=0, tempCols=0, numSeparator=0, numValues=6; |
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111 | std::string line, valueString; |
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112 | char separator=';'; |
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113 | size_t valueStart, valueEnd; |
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114 | |
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115 | osgDB::ifstream inputFile (const_cast<char*>(filePath.c_str())); |
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116 | |
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117 | if (inputFile.is_open()) |
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118 | { |
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119 | inputFile.clear(); |
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120 | inputFile.seekg (0, std::ios::beg); |
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121 | |
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122 | while (!inputFile.eof()) |
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123 | { |
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124 | getline (inputFile,line); |
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125 | |
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126 | if((line.size()>0) && (line.find('x')==std::string::npos)) |
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127 | { |
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128 | numSeparator=0; |
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129 | for (size_t numLineChar=0; numLineChar < line.length(); numLineChar++) |
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130 | { |
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131 | if(line.at(numLineChar)==separator) numSeparator++; |
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132 | } |
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133 | if(numSeparator!=numValues-1) //Number of Entries per Line is not correct |
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134 | { |
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135 | OSG_ALWAYS<< "Inconsistency in file " << filePath << " detected. Please check this file." <<std::endl; |
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136 | return 1; |
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137 | } |
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138 | //Get number of rows of the distortion grid, last valid line of input file contains actual value |
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139 | valueStart=line.rfind(separator,line.size()); |
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140 | valueString=line.substr(valueStart+1,line.size()-valueStart-1); |
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141 | tempRows=atoi(const_cast<char*>(valueString.c_str())); |
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142 | if(tempRows>*meshRows) *meshRows=tempRows; |
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143 | |
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144 | //Get number of columns of the distortion grid, last valid line of input file contains actual value |
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145 | valueEnd=valueStart-1; |
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146 | valueStart=line.rfind(separator,valueEnd); |
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147 | valueString=line.substr(valueStart+1,valueEnd-valueStart); |
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148 | tempCols=atoi(const_cast<char*>(valueString.c_str())); |
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149 | if(tempCols>*meshColumns) *meshColumns=tempCols; |
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150 | } |
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151 | |
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152 | } |
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153 | inputFile.close(); |
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154 | } |
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155 | else //File couldn't be loaded |
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156 | { |
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157 | OSG_ALWAYS<< "Unable to open " << filePath << std::endl; |
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158 | return 1; |
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159 | } |
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160 | |
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161 | *meshColumns+=1; |
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162 | *meshRows+=1; |
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163 | |
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164 | return 0; |
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165 | } |
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166 | |
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167 | int DistortionSetupStrategyProjectSyntropy::readMeshPointsFromCSVFile(std::string filePath, osg::Vec4Array* tmpMesh) |
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168 | { |
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169 | int numValues=6; |
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170 | std::string line, valueString; |
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171 | char separator=';'; |
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172 | float* values = new float[numValues]; |
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173 | size_t valueStart, valueEnd; |
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174 | osg::Vec2 tempVec2; |
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175 | osg::Vec3 tempVec3; |
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176 | |
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177 | osgDB::ifstream inputFile (const_cast<char*>(filePath.c_str())); |
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178 | |
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179 | if (inputFile.is_open()) |
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180 | { |
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181 | inputFile.clear(); |
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182 | inputFile.seekg (0, std::ios::beg); |
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183 | |
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184 | while (!inputFile.eof()) |
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185 | { |
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186 | getline (inputFile,line); |
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187 | |
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188 | if((line.size()>0) && (line.find('x')==std::string::npos)) |
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189 | { |
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190 | for (int i=0;i<numValues; i++) values[i]=0.0; |
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191 | |
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192 | valueStart=0; |
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193 | valueEnd=0; |
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194 | for (int j=0;j<numValues; j++) |
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195 | { |
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196 | if(j!=numValues-1) |
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197 | { |
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198 | if((valueEnd=line.find(separator,valueStart))!=std::string::npos) |
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199 | { |
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200 | valueString=line.substr(valueStart,valueEnd-valueStart); |
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201 | valueStart=valueEnd+1; |
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202 | } |
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203 | } |
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204 | else valueString=line.substr(valueStart,line.size()); |
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205 | |
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206 | values[j]=atof(const_cast<char*>(valueString.c_str())); |
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207 | } |
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208 | |
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209 | // Store values into array |
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210 | tmpMesh->push_back(osg::Vec4(values[0], 1.0-values[1], values[2], 1.0-values[3])); |
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211 | } |
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212 | } |
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213 | inputFile.close(); |
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214 | } |
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215 | else |
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216 | { |
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217 | OSG_ALWAYS<< "Unable to open " << filePath << std::endl; |
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218 | return 1; |
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219 | } |
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220 | |
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221 | return 0; |
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222 | } |
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223 | |
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224 | void DistortionSetupStrategyProjectSyntropy::delegateDistortionSetup(osgViewer::DistortionSet* distortionSet) |
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225 | { |
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226 | if(distortionSet == NULL) |
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227 | { |
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228 | OSG_ALWAYS<<"DistortionSetupStrategyProjectSyntropy::delegateDistortionSetup : Invalid DistortionSet"<<std::endl; |
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229 | return; |
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230 | } |
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231 | |
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232 | if( _blendmapFilename.empty() || _frustumFilename.empty() || _distortionFilename.empty() ) |
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233 | { |
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234 | OSG_ALWAYS<<"DistortionSetupStrategyProjectSyntropy::delegateDistortionSetup : You have not specified the imput filenames correctly!"<<std::endl; |
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235 | return; |
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236 | } |
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237 | |
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238 | if( !osgDB::fileExists(_blendmapFilename) || !osgDB::fileExists(_frustumFilename) || !osgDB::fileExists(_distortionFilename) ) |
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239 | { |
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240 | OSG_ALWAYS<<"DistortionSetupStrategyProjectionDesigner::delegateDistortionSetup : One of the specified input files does not exist!"<<std::endl; |
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241 | return; |
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242 | } |
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243 | |
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244 | //OSG_ALWAYS<<"drin"<<std::endl; |
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245 | |
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246 | if (_distortionInitialized==false ) |
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247 | { |
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248 | _distortionInitialized=true; |
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249 | distortionSet->dirtyMesh(); |
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250 | distortionSet->dirtyMatrix(); |
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251 | |
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252 | |
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253 | // ******************** // |
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254 | // *** IntensityMap *** // |
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255 | // ******************** // |
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256 | |
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257 | osg::Image* intensityMap=NULL; |
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258 | intensityMap=osgDB::readImageFile(_blendmapFilename); |
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259 | osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface(); |
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260 | if (!wsi) |
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261 | { |
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262 | OSG_NOTICE<<"Error, no WindowSystemInterface available, cannot create windows."<<std::endl; |
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263 | return; |
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264 | } |
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265 | |
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266 | osg::GraphicsContext::ScreenIdentifier si; |
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267 | si.readDISPLAY(); |
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268 | |
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269 | if (si.displayNum<0) si.displayNum = 0; |
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270 | |
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271 | si.screenNum = 0; //Fixed value, may be replaced later |
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272 | |
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273 | unsigned int width=0, height=0; |
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274 | wsi->getScreenResolution(si, width, height); |
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275 | |
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276 | if(intensityMap->s()!=width || intensityMap->t()!=height) |
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277 | intensityMap->scaleImage(width, height, intensityMap->r()); |
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278 | |
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279 | // Copy image data and flag as dirty to update texture. |
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280 | osg::copyImage(intensityMap, 0, 0, 0, intensityMap->s(), intensityMap->t(), intensityMap->r(), distortionSet->getIntensityMap(), 0, 0, 0, true); |
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281 | distortionSet->getIntensityMap()->dirty(); |
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282 | |
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283 | // ******************************* // |
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284 | // *** Frustum and View Offset *** // |
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285 | // ******************************* // |
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286 | |
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287 | //....Read Files and set parameters |
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288 | int numFrustumValues=16; |
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289 | float* frustumValues = new float[numFrustumValues]; |
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290 | double zNear=1.0, zFar=1000.0; |
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291 | |
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292 | readFrustumFromCSVFile(_frustumFilename, numFrustumValues, frustumValues); |
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293 | |
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294 | osg::Matrixd viewOffset=osg::Matrix::identity(); |
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295 | osg::Matrixd projectionOffset=osg::Matrixd(); |
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296 | |
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297 | // View Offset Parameters: x, y, z, heading, pitch, bank |
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298 | // Translational Parameters are defines in millimeters (->Correction required?!) |
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299 | // Coordinate System / Directions may be looked up in "Koordinatensystem.png", trans/rot order confirmed bei PS |
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300 | osg::Matrixd rotViewOffset=osg::Matrixd(); |
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301 | rotViewOffset.makeRotate( |
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302 | osg::DegreesToRadians(frustumValues[3]), osg::Vec3(0,1,0), // heading |
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303 | osg::DegreesToRadians(-frustumValues[4]), osg::Vec3(1,0,0), // pitch |
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304 | osg::DegreesToRadians(frustumValues[5]), osg::Vec3(0,0,1)); // roll |
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305 | |
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306 | osg::Matrixd transViewOffset=osg::Matrixd(); |
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307 | transViewOffset.makeTranslate( frustumValues[0], frustumValues[1], frustumValues[2]); |
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308 | |
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309 | viewOffset = viewOffset * rotViewOffset; // * transViewOffset; |
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310 | |
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311 | //Frustum Parameters: Left, Right, Bottom, Top, zNear, zFar. |
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312 | // Important: By definition of OpenGL, Left, Right, Bottom and Top must be set as tangens, multiplied by zNear! |
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313 | projectionOffset.makeFrustum(frustumValues[10] * zNear, frustumValues[11] * zNear, frustumValues[12] * zNear, frustumValues[13] * zNear, zNear, zFar); |
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314 | |
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315 | distortionSet->setViewOffset(viewOffset); |
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316 | distortionSet->setProjectionOffset(projectionOffset); |
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317 | |
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318 | // ******************************* // |
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319 | // ******* Distortion Mesh ******* // |
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320 | // ******************************* // |
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321 | |
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322 | osg::Geometry* distortionMeshGeometry = distortionSet->getDistortionInternals()->getChild(osgViewer::DistortionSet::MESH)->asGeode()->getDrawable(0)->asGeometry(); |
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323 | if(distortionMeshGeometry) |
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324 | { |
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325 | //*******************************************************************************************// |
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326 | //*** PRINT VERTEXARRAY/TEXCOORDARRAY for Debug Purposes ***// |
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327 | //*** both Arrays are listed in "HorizontalLine-after-HorizontalLine" order, ***// |
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328 | //*** sorted from topleft (0,0,0 vertices; 0,0 texcoords) to bottomright ***// |
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329 | //*** (1920,1080,0 vertices; 1,1 texcoords) ***// |
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330 | //*******************************************************************************************// |
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331 | |
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332 | #if 0 |
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333 | osg::Vec3Array* vertices = (osg::Vec3Array*) distortionMeshGeometry->getVertexArray(); |
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334 | osg::Vec2Array* texcoords0 = (osg::Vec2Array*) distortionMeshGeometry->getTexCoordArray(0); |
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335 | |
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336 | for (osg::Vec3Array::iterator it = vertices->begin(); it != vertices->end(); ++it) |
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337 | { |
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338 | OSG_ALWAYS<<"Vertice "<<(*it).x()<<" "<<(*it).y()<<" "<<(*it).z()<<std::endl; |
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339 | } |
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340 | |
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341 | for (osg::Vec2Array::iterator it = texcoords0->begin(); it != texcoords0->end(); ++it) |
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342 | { |
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343 | OSG_ALWAYS<<"Texcoord "<<(*it).x()<<" "<<(*it).y()<<std::endl; |
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344 | } |
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345 | #endif |
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346 | |
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347 | //*******************************************************************************************// |
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348 | //*** MESH WARPING ***// |
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349 | //*** Both Vertex Warping and Texcoord Warping is supported. |
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350 | //*** The input file contains . Although there might ***// |
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351 | //*** be a preferred version for osgvisual, both options should be implemented in osg ***// |
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352 | //*******************************************************************************************// |
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353 | |
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354 | // Exctract mesh dimensions from file and pass them to the container. |
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355 | |
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356 | int distortionMeshRows=0, distortionMeshColumns=0; |
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357 | readMeshDimensionsFromCSVFile(_distortionFilename, &distortionMeshRows, &distortionMeshColumns); |
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358 | |
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359 | distortionSet->setDistortionMeshRows(distortionMeshRows); |
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360 | distortionSet->setDistortionMeshColumns(distortionMeshColumns); |
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361 | |
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362 | // Read in the mesh arrays |
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363 | osg::Vec4Array* distortionMesh = new osg::Vec4Array; |
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364 | readMeshPointsFromCSVFile(_distortionFilename, distortionMesh); |
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365 | |
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366 | #if 0 |
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367 | for (osg::Vec4Array::iterator it = distortionMesh->begin(); it != distortionMesh->end(); ++it) |
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368 | { |
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369 | OSG_ALWAYS<<"final vector: "<<(*it).x()<<" "<<(*it).y()<<" "<<(*it).z()<<" "<<(*it).w()<<std::endl; |
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370 | } |
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371 | #endif |
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372 | |
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373 | |
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374 | distortionSet->setDistortionMesh(distortionMesh); |
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375 | distortionSet->setDistortionMeshDimensions(distortionMeshRows, distortionMeshColumns); |
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376 | } |
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377 | } |
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378 | } |
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