1 | |
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2 | /* |
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3 | * ---------------------------------------------------------------------- |
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4 | * Nanovis: Visualization of Nanoelectronics Data |
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5 | * |
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6 | * ====================================================================== |
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7 | * AUTHOR: Wei Qiao <qiaow@purdue.edu> |
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8 | * Michael McLennan <mmclennan@purdue.edu> |
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9 | * Purdue Rendering and Perceptualization Lab (PURPL) |
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10 | * |
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11 | * Copyright (c) 2004-2006 Purdue Research Foundation |
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12 | * |
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13 | * See the file "license.terms" for information on usage and |
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14 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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15 | * ====================================================================== |
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16 | */ |
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17 | |
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18 | #include <getopt.h> |
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19 | #include <stdio.h> |
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20 | #include <math.h> |
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21 | #include <fstream> |
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22 | #include <iostream> |
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23 | #include <sstream> |
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24 | #include <string> |
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25 | #include <time.h> |
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26 | #include <sys/time.h> |
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27 | #include <sys/types.h> |
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28 | #include <unistd.h> |
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29 | #include <fcntl.h> |
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30 | #include <signal.h> |
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31 | #include <stdlib.h> |
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32 | |
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33 | #include "Nv.h" |
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34 | #include "PointSetRenderer.h" |
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35 | #include "PointSet.h" |
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36 | #include "Util.h" |
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37 | #include <NvLIC.h> |
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38 | #include <Trace.h> |
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39 | |
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40 | #include "nanovis.h" |
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41 | #include "RpField1D.h" |
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42 | #include "RpFieldRect3D.h" |
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43 | #include "RpFieldPrism3D.h" |
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44 | #include "RpEncode.h" |
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45 | |
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46 | //transfer function headers |
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47 | #include "transfer-function/TransferFunctionMain.h" |
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48 | #include "transfer-function/ControlPoint.h" |
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49 | #include "transfer-function/TransferFunctionGLUTWindow.h" |
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50 | #include "transfer-function/ColorGradientGLUTWindow.h" |
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51 | #include "transfer-function/ColorPaletteWindow.h" |
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52 | #include "transfer-function/MainWindow.h" |
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53 | #include "ZincBlendeVolume.h" |
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54 | #include "NvLoadFile.h" |
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55 | #include "NvColorTableRenderer.h" |
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56 | #include "NvEventLog.h" |
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57 | #include "NvZincBlendeReconstructor.h" |
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58 | #include "HeightMap.h" |
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59 | #include "Grid.h" |
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60 | #include "VolumeInterpolator.h" |
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61 | #include <RenderContext.h> |
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62 | |
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63 | #include <BMPImageLoaderImpl.h> |
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64 | #include <ImageLoaderFactory.h> |
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65 | |
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66 | //#define _LOCAL_ZINC_TEST_ |
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67 | |
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68 | // R2 headers |
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69 | #include <R2/R2FilePath.h> |
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70 | #include <R2/R2Fonts.h> |
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71 | |
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72 | #define SIZEOF_BMP_HEADER 54 |
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73 | |
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74 | extern void NvInitCG(); // in Shader.cpp |
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75 | |
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76 | // Indicates "up" axis: x=1, y=2, z=3, -x=-1, -y=-2, -z=-3 |
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77 | enum AxisDirections { |
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78 | X_POS = 1, Y_POS = 2, Z_POS = 3, X_NEG = -1, Y_NEG = -2, Z_NEG = -3 |
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79 | }; |
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80 | |
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81 | // STATIC MEMBER DATA |
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82 | Grid *NanoVis::grid = NULL; |
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83 | int NanoVis::updir = Y_POS; |
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84 | NvCamera* NanoVis::cam = NULL; |
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85 | bool NanoVis::axis_on = true; |
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86 | //bool NanoVis::axis_on = false; |
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87 | int NanoVis::win_width = NPIX; //size of the render window |
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88 | int NanoVis::win_height = NPIX; //size of the render window |
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89 | int NanoVis::n_volumes = 0; |
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90 | unsigned char* NanoVis::screen_buffer = NULL; |
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91 | vector<HeightMap*> NanoVis::heightMap; |
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92 | VolumeRenderer* NanoVis::vol_renderer = 0; |
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93 | PointSetRenderer* NanoVis::pointset_renderer = 0; |
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94 | vector<PointSet*> NanoVis::pointSet; |
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95 | PlaneRenderer* NanoVis::plane_render = 0; |
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96 | Texture2D* NanoVis::plane[10]; |
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97 | NvColorTableRenderer* NanoVis::color_table_renderer = 0; |
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98 | NvParticleRenderer* NanoVis::particleRenderer = 0; |
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99 | graphics::RenderContext* NanoVis::renderContext = 0; |
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100 | NvLIC* NanoVis::licRenderer = 0; |
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101 | |
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102 | bool NanoVis::lic_on = false; |
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103 | bool NanoVis::particle_on = false; |
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104 | bool NanoVis::vector_on = false; |
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105 | bool NanoVis::config_pending = false; |
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106 | |
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107 | |
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108 | //frame buffer for final rendering |
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109 | NVISid NanoVis::final_fbo; |
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110 | NVISid NanoVis::final_color_tex; |
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111 | NVISid NanoVis::final_depth_rb; |
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112 | |
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113 | // pointers to volumes, currently handle up to 10 volumes |
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114 | /*FIXME: Is the above comment true? Is there a 10 volume limit */ |
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115 | vector<Volume*> NanoVis::volume; |
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116 | |
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117 | //if true nanovis renders volumes in 3D, if not renders 2D plane |
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118 | /* FIXME: This variable is always true. */ |
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119 | bool volume_mode = true; |
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120 | |
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121 | // color table for built-in transfer function editor |
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122 | float color_table[256][4]; |
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123 | |
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124 | /* |
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125 | #ifdef XINETD |
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126 | FILE* xinetd_log; |
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127 | #endif |
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128 | |
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129 | FILE* event_log; |
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130 | //log |
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131 | void init_event_log(); |
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132 | void end_event_log(); |
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133 | double cur_time; //in seconds |
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134 | double get_time_interval(); |
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135 | */ |
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136 | |
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137 | int render_window; //the handle of the render window; |
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138 | |
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139 | // in Command.cpp |
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140 | extern void xinetd_listen(); |
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141 | extern void initTcl(); |
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142 | |
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143 | //ParticleSystem* psys; |
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144 | //float psys_x=0.4, psys_y=0, psys_z=0; |
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145 | |
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146 | //static Lic* lic; |
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147 | |
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148 | |
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149 | //bool advect=false; |
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150 | float vert[NMESH*NMESH*3]; //particle positions in main memory |
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151 | float slice_vector[NMESH*NMESH*4]; //per slice vectors in main memory |
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152 | |
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153 | // maps transfunc name to TransferFunction object |
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154 | static Tcl_HashTable tftable; |
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155 | |
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156 | // pointers to 2D planes, currently handle up 10 |
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157 | |
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158 | |
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159 | PerfQuery* perf; //perfromance counter |
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160 | |
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161 | CGprogram m_passthru_fprog; |
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162 | CGparameter m_passthru_scale_param, m_passthru_bias_param; |
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163 | |
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164 | R2Fonts* NanoVis::fonts; |
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165 | |
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166 | // Variables for mouse events |
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167 | |
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168 | // Object rotation angles |
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169 | static float live_rot_x = 90.; |
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170 | static float live_rot_y = 180.; |
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171 | static float live_rot_z = -135; |
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172 | |
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173 | // Object translation location from the origin |
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174 | static float live_obj_x = -0.0; |
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175 | static float live_obj_y = -0.0; |
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176 | static float live_obj_z = -2.5; |
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177 | |
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178 | |
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179 | #ifndef XINETD |
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180 | // Last locations mouse events |
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181 | static int left_last_x; |
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182 | static int left_last_y; |
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183 | static int right_last_x; |
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184 | static int right_last_y; |
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185 | static bool left_down = false; |
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186 | static bool right_down = false; |
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187 | #endif /*XINETD*/ |
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188 | |
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189 | // Image based flow visualization slice location |
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190 | // FLOW |
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191 | float NanoVis::lic_slice_x = 1.0f; |
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192 | float NanoVis::lic_slice_y = 0.0f; |
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193 | float NanoVis::lic_slice_z = 0.5f; |
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194 | int NanoVis::lic_axis = 2; |
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195 | |
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196 | /* |
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197 | CGprogram m_copy_texcoord_fprog; |
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198 | CGprogram m_one_volume_fprog; |
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199 | CGparameter m_vol_one_volume_param; |
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200 | CGparameter m_tf_one_volume_param; |
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201 | CGparameter m_mvi_one_volume_param; |
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202 | CGparameter m_mv_one_volume_param; |
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203 | CGparameter m_render_param_one_volume_param; |
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204 | */ |
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205 | |
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206 | /* |
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207 | CGprogram m_vert_std_vprog; |
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208 | CGparameter m_mvp_vert_std_param; |
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209 | CGparameter m_mvi_vert_std_param; |
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210 | */ |
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211 | |
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212 | using namespace std; |
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213 | |
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214 | #define RM_VOLUME 1 |
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215 | #define RM_POINT 2 |
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216 | |
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217 | int renderMode = RM_VOLUME; |
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218 | |
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219 | /* |
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220 | * ---------------------------------------------------------------------- |
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221 | * USAGE: debug("string", ...) |
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222 | * |
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223 | * Use this anywhere within the package to send a debug message |
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224 | * back to the client. The string can have % fields as used by |
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225 | * the printf() package. Any remaining arguments are treated as |
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226 | * field substitutions on that. |
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227 | * ---------------------------------------------------------------------- |
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228 | */ |
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229 | void |
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230 | debug(char *str) |
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231 | { |
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232 | write(0, str, strlen(str)); |
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233 | } |
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234 | |
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235 | void |
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236 | debug(char *str, double v1) |
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237 | { |
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238 | char buffer[512]; |
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239 | sprintf(buffer, str, v1); |
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240 | write(0, buffer, strlen(buffer)); |
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241 | } |
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242 | |
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243 | void |
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244 | debug(char *str, double v1, double v2) |
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245 | { |
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246 | char buffer[512]; |
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247 | sprintf(buffer, str, v1, v2); |
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248 | write(0, buffer, strlen(buffer)); |
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249 | } |
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250 | |
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251 | void |
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252 | debug(char *str, double v1, double v2, double v3) |
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253 | { |
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254 | char buffer[512]; |
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255 | sprintf(buffer, str, v1, v2, v3); |
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256 | write(0, buffer, strlen(buffer)); |
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257 | } |
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258 | |
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259 | //report errors related to CG shaders |
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260 | void |
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261 | cgErrorCallback(void) |
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262 | { |
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263 | CGerror lastError = cgGetError(); |
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264 | if(lastError) { |
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265 | const char *listing = cgGetLastListing(g_context); |
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266 | Trace("\n---------------------------------------------------\n"); |
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267 | Trace("%s\n\n", cgGetErrorString(lastError)); |
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268 | Trace("%s\n", listing); |
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269 | Trace("-----------------------------------------------------\n"); |
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270 | Trace("Cg error, exiting...\n"); |
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271 | cgDestroyContext(g_context); |
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272 | exit(-1); |
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273 | } |
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274 | } |
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275 | |
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276 | |
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277 | /* Load a 3D volume |
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278 | * index: the index into the volume array, which stores pointers to 3D volume instances |
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279 | * data: pointer to an array of floats. |
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280 | * n_component: the number of scalars for each space point. |
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281 | * All component scalars for a point are placed consequtively in data array |
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282 | * width, height and depth: number of points in each dimension |
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283 | */ |
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284 | Volume * |
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285 | NanoVis::load_volume(int index, int width, int height, int depth, |
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286 | int n_component, float* data, double vmin, |
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287 | double vmax, double nzero_min) |
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288 | { |
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289 | while (n_volumes <= index) { |
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290 | volume.push_back(NULL); |
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291 | n_volumes++; |
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292 | } |
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293 | |
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294 | Volume* vol = volume[index]; |
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295 | if (vol != NULL) { |
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296 | volume[index] = NULL; |
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297 | |
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298 | if (vol->pointsetIndex != -1) { |
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299 | if (((unsigned int) vol->pointsetIndex) < pointSet.size() && |
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300 | pointSet[vol->pointsetIndex] != NULL) { |
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301 | delete pointSet[vol->pointsetIndex]; |
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302 | pointSet[vol->pointsetIndex] = 0; |
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303 | } |
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304 | } |
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305 | delete vol; |
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306 | } |
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307 | volume[index] = new Volume(0.f, 0.f, 0.f, width, height, depth, 1., |
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308 | n_component, data, vmin, vmax, nzero_min); |
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309 | return volume[index]; |
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310 | } |
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311 | |
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312 | // Gets a colormap 1D texture by name. |
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313 | TransferFunction* |
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314 | NanoVis::get_transfunc(const char *name) |
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315 | { |
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316 | Tcl_HashEntry *hPtr; |
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317 | |
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318 | hPtr = Tcl_FindHashEntry(&tftable, name); |
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319 | if (hPtr == NULL) { |
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320 | return NULL; |
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321 | } |
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322 | return (TransferFunction*)Tcl_GetHashValue(hPtr); |
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323 | } |
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324 | |
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325 | // Creates of updates a colormap 1D texture by name. |
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326 | TransferFunction* |
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327 | NanoVis::DefineTransferFunction(const char *name, size_t n, float *data) |
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328 | { |
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329 | int isNew; |
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330 | Tcl_HashEntry *hPtr; |
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331 | TransferFunction *tf; |
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332 | |
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333 | hPtr = Tcl_CreateHashEntry(&tftable, name, &isNew); |
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334 | if (isNew) { |
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335 | tf = new TransferFunction(n, data); |
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336 | Tcl_SetHashValue(hPtr, (ClientData)tf); |
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337 | } else { |
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338 | /* |
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339 | * You can't delete the transfer function because many |
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340 | * objects may be holding its pointer. We must update it. |
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341 | */ |
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342 | tf = (TransferFunction *)Tcl_GetHashValue(hPtr); |
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343 | tf->update(n, data); |
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344 | } |
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345 | return tf; |
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346 | } |
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347 | |
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348 | void |
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349 | NanoVis::zoom(double zoom) |
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350 | { |
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351 | live_obj_z = -2.5 / zoom; |
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352 | cam->move(live_obj_x, live_obj_y, live_obj_z); |
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353 | } |
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354 | |
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355 | //Update the transfer function using local GUI in the non-server mode |
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356 | void |
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357 | update_tf_texture() |
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358 | { |
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359 | glutSetWindow(render_window); |
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360 | |
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361 | //fprintf(stderr, "tf update\n"); |
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362 | TransferFunction *tf = NanoVis::get_transfunc("default"); |
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363 | if (tf == NULL) { |
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364 | return; |
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365 | } |
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366 | |
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367 | float data[256*4]; |
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368 | for(int i=0; i<256; i++) { |
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369 | data[4*i+0] = color_table[i][0]; |
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370 | data[4*i+1] = color_table[i][1]; |
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371 | data[4*i+2] = color_table[i][2]; |
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372 | data[4*i+3] = color_table[i][3]; |
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373 | //fprintf(stderr, "(%f,%f,%f,%f) ", data[4*i+0], data[4*i+1], data[4*i+2], data[4*i+3]); |
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374 | } |
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375 | |
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376 | tf->update(data); |
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377 | |
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378 | #ifdef EVENTLOG |
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379 | float param[3] = {0,0,0}; |
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380 | Event* tmp = new Event(EVENT_ROTATE, param, NvGetTimeInterval()); |
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381 | tmp->write(event_log); |
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382 | delete tmp; |
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383 | #endif |
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384 | } |
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385 | |
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386 | int |
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387 | NanoVis::render_legend( |
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388 | TransferFunction *tf, |
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389 | double min, double max, |
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390 | int width, int height, |
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391 | const char* volArg) |
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392 | { |
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393 | int old_width = win_width; |
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394 | int old_height = win_height; |
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395 | |
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396 | plane_render->set_screen_size(width, height); |
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397 | resize_offscreen_buffer(width, height); |
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398 | |
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399 | // generate data for the legend |
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400 | float data[512]; |
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401 | for (int i=0; i < 256; i++) { |
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402 | data[i] = data[i+256] = (float)(i/255.0); |
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403 | } |
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404 | plane[0] = new Texture2D(256, 2, GL_FLOAT, GL_LINEAR, 1, data); |
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405 | int index = plane_render->add_plane(plane[0], tf); |
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406 | plane_render->set_active_plane(index); |
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407 | |
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408 | offscreen_buffer_capture(); |
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409 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear screen |
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410 | plane_render->render(); |
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411 | |
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412 | // INSOO |
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413 | glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, screen_buffer); |
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414 | //glReadPixels(0, 0, width, height, GL_BGR, GL_UNSIGNED_BYTE, screen_buffer); // INSOO's |
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415 | |
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416 | char prefix[200]; |
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417 | sprintf(prefix, "nv>legend %s %g %g", volArg, min, max); |
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418 | ppm_write(prefix); |
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419 | write(0, "\n", 1); |
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420 | |
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421 | plane_render->remove_plane(index); |
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422 | resize_offscreen_buffer(old_width, old_height); |
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423 | |
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424 | return TCL_OK; |
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425 | } |
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426 | |
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427 | //initialize frame buffer objects for offscreen rendering |
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428 | void |
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429 | NanoVis::init_offscreen_buffer() |
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430 | { |
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431 | //initialize final fbo for final display |
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432 | glGenFramebuffersEXT(1, &final_fbo); |
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433 | glGenTextures(1, &final_color_tex); |
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434 | glGenRenderbuffersEXT(1, &final_depth_rb); |
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435 | |
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436 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, final_fbo); |
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437 | |
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438 | //initialize final color texture |
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439 | glBindTexture(GL_TEXTURE_2D, final_color_tex); |
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440 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
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441 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
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442 | #ifdef NV40 |
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443 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, win_width, win_height, 0, |
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444 | GL_RGB, GL_INT, NULL); |
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445 | #else |
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446 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, win_width, win_height, 0, |
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447 | GL_RGB, GL_INT, NULL); |
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448 | #endif |
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449 | glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, |
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450 | GL_COLOR_ATTACHMENT0_EXT, |
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451 | GL_TEXTURE_2D, final_color_tex, 0); |
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452 | |
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453 | // initialize final depth renderbuffer |
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454 | glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, final_depth_rb); |
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455 | glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, |
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456 | GL_DEPTH_COMPONENT24, win_width, win_height); |
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457 | glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, |
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458 | GL_DEPTH_ATTACHMENT_EXT, |
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459 | GL_RENDERBUFFER_EXT, final_depth_rb); |
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460 | |
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461 | // Check framebuffer completeness at the end of initialization. |
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462 | CHECK_FRAMEBUFFER_STATUS(); |
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463 | |
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464 | //assert(glGetError()==0); |
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465 | } |
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466 | |
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467 | |
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468 | //resize the offscreen buffer |
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469 | void |
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470 | NanoVis::resize_offscreen_buffer(int w, int h) |
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471 | { |
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472 | win_width = w; |
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473 | win_height = h; |
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474 | |
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475 | if (fonts) { |
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476 | fonts->resize(w, h); |
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477 | } |
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478 | |
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479 | //fprintf(stderr, "screen_buffer size: %d\n", sizeof(screen_buffer)); |
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480 | printf("screen_buffer size: %d %d\n", w, h); |
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481 | |
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482 | if (screen_buffer) { |
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483 | delete[] screen_buffer; |
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484 | screen_buffer = NULL; |
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485 | } |
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486 | |
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487 | screen_buffer = new unsigned char[4*win_width*win_height]; |
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488 | assert(screen_buffer != NULL); |
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489 | |
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490 | //delete the current render buffer resources |
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491 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, final_fbo); |
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492 | glDeleteTextures(1, &final_color_tex); |
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493 | glDeleteFramebuffersEXT(1, &final_fbo); |
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494 | |
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495 | glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, final_depth_rb); |
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496 | glDeleteRenderbuffersEXT(1, &final_depth_rb); |
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497 | |
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498 | //change the camera setting |
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499 | cam->set_screen_size(0, 0, win_width, win_height); |
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500 | plane_render->set_screen_size(win_width, win_height); |
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501 | |
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502 | //Reinitialize final fbo for final display |
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503 | glGenFramebuffersEXT(1, &final_fbo); |
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504 | glGenTextures(1, &final_color_tex); |
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505 | glGenRenderbuffersEXT(1, &final_depth_rb); |
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506 | |
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507 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, final_fbo); |
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508 | |
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509 | //initialize final color texture |
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510 | glBindTexture(GL_TEXTURE_2D, final_color_tex); |
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511 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
---|
512 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
---|
513 | #ifdef NV40 |
---|
514 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, win_width, win_height, 0, |
---|
515 | GL_RGB, GL_INT, NULL); |
---|
516 | #else |
---|
517 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, win_width, win_height, 0, |
---|
518 | GL_RGB, GL_INT, NULL); |
---|
519 | #endif |
---|
520 | glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, |
---|
521 | GL_COLOR_ATTACHMENT0_EXT, |
---|
522 | GL_TEXTURE_2D, final_color_tex, 0); |
---|
523 | |
---|
524 | // initialize final depth renderbuffer |
---|
525 | glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, final_depth_rb); |
---|
526 | glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, |
---|
527 | GL_DEPTH_COMPONENT24, win_width, win_height); |
---|
528 | glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, |
---|
529 | GL_DEPTH_ATTACHMENT_EXT, |
---|
530 | GL_RENDERBUFFER_EXT, final_depth_rb); |
---|
531 | |
---|
532 | // Check framebuffer completeness at the end of initialization. |
---|
533 | CHECK_FRAMEBUFFER_STATUS(); |
---|
534 | //assert(glGetError()==0); |
---|
535 | } |
---|
536 | |
---|
537 | /* |
---|
538 | * FIXME: This routine is fairly expensive (60000 floating pt divides). |
---|
539 | * I've put an ifdef around the call to it so that the released |
---|
540 | * builds don't include it. Define PROTOTYPE to 1 in config.h |
---|
541 | * to turn it back on. |
---|
542 | */ |
---|
543 | void |
---|
544 | make_test_2D_data() |
---|
545 | { |
---|
546 | int w = 300; |
---|
547 | int h = 200; |
---|
548 | float* data = new float[w*h]; |
---|
549 | |
---|
550 | //procedurally make a gradient plane |
---|
551 | for(int j=0; j<h; j++){ |
---|
552 | for(int i=0; i<w; i++){ |
---|
553 | data[w*j+i] = float(i)/float(w); |
---|
554 | } |
---|
555 | } |
---|
556 | NanoVis::plane[0] = new Texture2D(w, h, GL_FLOAT, GL_LINEAR, 1, data); |
---|
557 | delete[] data; |
---|
558 | } |
---|
559 | |
---|
560 | void NanoVis::initParticle() |
---|
561 | { |
---|
562 | //random placement on a slice |
---|
563 | float* data = new float[particleRenderer->psys_width * particleRenderer->psys_height * 4]; |
---|
564 | bzero(data, sizeof(float)*4* particleRenderer->psys_width * particleRenderer->psys_height); |
---|
565 | |
---|
566 | int index; |
---|
567 | //bool particle; |
---|
568 | for (int i=0; i<particleRenderer->psys_width; i++) { |
---|
569 | for (int j=0; j<particleRenderer->psys_height; j++) { |
---|
570 | index = i + particleRenderer->psys_height*j; |
---|
571 | //particle = rand() % 256 > 150; |
---|
572 | //if(particle) |
---|
573 | { |
---|
574 | //assign any location (x,y,z) in range [0,1] |
---|
575 | // TEMP |
---|
576 | data[4*index] = lic_slice_x; |
---|
577 | data[4*index+1]= j/float(particleRenderer->psys_height); |
---|
578 | data[4*index+2]= i/float(particleRenderer->psys_width); |
---|
579 | data[4*index+3]= 30; //shorter life span, quicker iterations |
---|
580 | //data[4*index+3]= 1.0f; //shorter life span, quicker iterations |
---|
581 | } |
---|
582 | /* |
---|
583 | else |
---|
584 | { |
---|
585 | data[4*index] = 0; |
---|
586 | data[4*index+1]= 0; |
---|
587 | data[4*index+2]= 0; |
---|
588 | data[4*index+3]= 0; |
---|
589 | } |
---|
590 | */ |
---|
591 | } |
---|
592 | } |
---|
593 | |
---|
594 | particleRenderer->initialize((Particle*)data); |
---|
595 | |
---|
596 | delete[] data; |
---|
597 | } |
---|
598 | |
---|
599 | void CgErrorCallback(void) |
---|
600 | { |
---|
601 | CGerror lastError = cgGetError(); |
---|
602 | |
---|
603 | if(lastError) { |
---|
604 | const char *listing = cgGetLastListing(g_context); |
---|
605 | printf("\n---------------------------------------------------\n"); |
---|
606 | printf("%s\n\n", cgGetErrorString(lastError)); |
---|
607 | printf("%s\n", listing); |
---|
608 | printf("-----------------------------------------------------\n"); |
---|
609 | printf("Cg error, exiting...\n"); |
---|
610 | cgDestroyContext(g_context); |
---|
611 | fflush(stdout); |
---|
612 | exit(-1); |
---|
613 | } |
---|
614 | } |
---|
615 | |
---|
616 | void NanoVis::init(const char* path) |
---|
617 | { |
---|
618 | // print system information |
---|
619 | fprintf(stderr, "-----------------------------------------------------------\n"); |
---|
620 | fprintf(stderr, "OpenGL driver: %s %s\n", glGetString(GL_VENDOR), glGetString(GL_VERSION)); |
---|
621 | fprintf(stderr, "Graphics hardware: %s\n", glGetString(GL_RENDERER)); |
---|
622 | fprintf(stderr, "-----------------------------------------------------------\n"); |
---|
623 | |
---|
624 | // init GLEW |
---|
625 | GLenum err = glewInit(); |
---|
626 | if (GLEW_OK != err) { |
---|
627 | //glew init failed, exit. |
---|
628 | fprintf(stderr, "Error: %s\n", glewGetErrorString(err)); |
---|
629 | getchar(); |
---|
630 | //assert(false); |
---|
631 | } |
---|
632 | fprintf(stdout, "Status: Using GLEW %s\n", glewGetString(GLEW_VERSION)); |
---|
633 | |
---|
634 | if (path) |
---|
635 | { |
---|
636 | R2FilePath::getInstance()->setPath(path); |
---|
637 | } |
---|
638 | |
---|
639 | NvInitCG(); |
---|
640 | NvShader::setErrorCallback(CgErrorCallback); |
---|
641 | |
---|
642 | fonts = new R2Fonts(); |
---|
643 | fonts->addFont("verdana", "verdana.fnt"); |
---|
644 | fonts->setFont("verdana"); |
---|
645 | |
---|
646 | color_table_renderer = new NvColorTableRenderer(); |
---|
647 | color_table_renderer->setFonts(fonts); |
---|
648 | |
---|
649 | particleRenderer = new NvParticleRenderer(NMESH, NMESH, g_context); |
---|
650 | |
---|
651 | #if PROTOTYPE |
---|
652 | licRenderer = new NvLIC(NMESH, NPIX, NPIX, 0.5, g_context); |
---|
653 | #endif |
---|
654 | |
---|
655 | ImageLoaderFactory::getInstance()->addLoaderImpl("bmp", new BMPImageLoaderImpl()); |
---|
656 | grid = new Grid(); |
---|
657 | grid->setFont(fonts); |
---|
658 | |
---|
659 | pointset_renderer = new PointSetRenderer(); |
---|
660 | } |
---|
661 | |
---|
662 | /*----------------------------------------------------*/ |
---|
663 | void |
---|
664 | NanoVis::initGL(void) |
---|
665 | { |
---|
666 | //buffer to store data read from the screen |
---|
667 | if (screen_buffer) { |
---|
668 | delete[] screen_buffer; |
---|
669 | screen_buffer = NULL; |
---|
670 | } |
---|
671 | screen_buffer = new unsigned char[4*win_width*win_height]; |
---|
672 | assert(screen_buffer != NULL); |
---|
673 | |
---|
674 | //create the camera with default setting |
---|
675 | cam = new NvCamera(0, 0, win_width, win_height, |
---|
676 | live_obj_x, live_obj_y, live_obj_z, |
---|
677 | 0., 0., 100., |
---|
678 | (int)live_rot_x, (int)live_rot_y, (int)live_rot_z); |
---|
679 | |
---|
680 | glEnable(GL_TEXTURE_2D); |
---|
681 | glShadeModel(GL_FLAT); |
---|
682 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
---|
683 | |
---|
684 | glClearColor(0,0,0,1); |
---|
685 | glClear(GL_COLOR_BUFFER_BIT); |
---|
686 | |
---|
687 | //initialize lighting |
---|
688 | GLfloat mat_specular[] = {1.0, 1.0, 1.0, 1.0}; |
---|
689 | GLfloat mat_shininess[] = {30.0}; |
---|
690 | GLfloat white_light[] = {1.0, 1.0, 1.0, 1.0}; |
---|
691 | GLfloat green_light[] = {0.1, 0.5, 0.1, 1.0}; |
---|
692 | |
---|
693 | glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular); |
---|
694 | glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess); |
---|
695 | glLightfv(GL_LIGHT0, GL_DIFFUSE, white_light); |
---|
696 | glLightfv(GL_LIGHT0, GL_SPECULAR, white_light); |
---|
697 | glLightfv(GL_LIGHT1, GL_DIFFUSE, green_light); |
---|
698 | glLightfv(GL_LIGHT1, GL_SPECULAR, white_light); |
---|
699 | |
---|
700 | // init table of transfer functions |
---|
701 | Tcl_InitHashTable(&tftable, TCL_STRING_KEYS); |
---|
702 | |
---|
703 | //check if performance query is supported |
---|
704 | if(check_query_support()){ |
---|
705 | //create queries to count number of rendered pixels |
---|
706 | perf = new PerfQuery(); |
---|
707 | } |
---|
708 | |
---|
709 | init_offscreen_buffer(); //frame buffer object for offscreen rendering |
---|
710 | |
---|
711 | //create volume renderer and add volumes to it |
---|
712 | vol_renderer = new VolumeRenderer(); |
---|
713 | |
---|
714 | |
---|
715 | // create |
---|
716 | renderContext = new graphics::RenderContext(); |
---|
717 | |
---|
718 | #ifdef notdef |
---|
719 | //I added this to debug : Wei |
---|
720 | float tmp_data[4*124]; |
---|
721 | memset(tmp_data, 0, 4*4*124); |
---|
722 | TransferFunction* tmp_tf = new TransferFunction(124, tmp_data); |
---|
723 | vol_renderer->add_volume(volume[0], tmp_tf); |
---|
724 | volume[0]->get_cutplane(0)->enabled = false; |
---|
725 | volume[0]->get_cutplane(1)->enabled = false; |
---|
726 | volume[0]->get_cutplane(2)->enabled = false; |
---|
727 | |
---|
728 | //volume[1]->move(Vector3(0.5, 0.6, 0.7)); |
---|
729 | //vol_renderer->add_volume(volume[1], tmp_tf); |
---|
730 | #endif |
---|
731 | |
---|
732 | //create an 2D plane renderer |
---|
733 | plane_render = new PlaneRenderer(g_context, win_width, win_height); |
---|
734 | #if PROTOTYPE |
---|
735 | make_test_2D_data(); |
---|
736 | #endif /* PROTOTYPE */ |
---|
737 | plane_render->add_plane(plane[0], get_transfunc("default")); |
---|
738 | |
---|
739 | //assert(glGetError()==0); |
---|
740 | |
---|
741 | #ifdef notdef |
---|
742 | init_particle_system(); |
---|
743 | NanoVis::init_lic(); |
---|
744 | #endif |
---|
745 | } |
---|
746 | |
---|
747 | #if DO_RLE |
---|
748 | char rle[512*512*3]; |
---|
749 | int rle_size; |
---|
750 | |
---|
751 | short offsets[512*512*3]; |
---|
752 | int offsets_size; |
---|
753 | |
---|
754 | void |
---|
755 | do_rle() |
---|
756 | { |
---|
757 | int len = NanoVis::win_width*NanoVis::win_height*3; |
---|
758 | rle_size = 0; |
---|
759 | offsets_size = 0; |
---|
760 | |
---|
761 | int i=0; |
---|
762 | while(i<len){ |
---|
763 | if (NanoVis::screen_buffer[i] == 0) { |
---|
764 | int pos = i+1; |
---|
765 | while ( (pos<len) && (NanoVis::screen_buffer[pos] == 0)) { |
---|
766 | pos++; |
---|
767 | } |
---|
768 | offsets[offsets_size++] = -(pos - i); |
---|
769 | i = pos; |
---|
770 | } |
---|
771 | |
---|
772 | else { |
---|
773 | int pos; |
---|
774 | for (pos = i; (pos<len) && (NanoVis::screen_buffer[pos] != 0);pos++){ |
---|
775 | rle[rle_size++] = NanoVis::screen_buffer[pos]; |
---|
776 | } |
---|
777 | offsets[offsets_size++] = (pos - i); |
---|
778 | i = pos; |
---|
779 | } |
---|
780 | |
---|
781 | } |
---|
782 | } |
---|
783 | #endif |
---|
784 | |
---|
785 | // used internally to build up the BMP file header |
---|
786 | // Writes an integer value into the header data structure at pos |
---|
787 | static inline void |
---|
788 | bmp_header_add_int(unsigned char* header, int& pos, int data) |
---|
789 | { |
---|
790 | #ifdef WORDS_BIGENDIAN |
---|
791 | header[pos++] = (data >> 24) & 0xFF; |
---|
792 | header[pos++] = (data >> 16) & 0xFF; |
---|
793 | header[pos++] = (data >> 8) & 0xFF; |
---|
794 | header[pos++] = (data) & 0xFF; |
---|
795 | #else |
---|
796 | header[pos++] = data & 0xff; |
---|
797 | header[pos++] = (data >> 8) & 0xff; |
---|
798 | header[pos++] = (data >> 16) & 0xff; |
---|
799 | header[pos++] = (data >> 24) & 0xff; |
---|
800 | #endif |
---|
801 | } |
---|
802 | |
---|
803 | // INSOO |
---|
804 | // FOR DEBUGGING |
---|
805 | void |
---|
806 | NanoVis::bmp_write_to_file(int frame_number, const char *directory_name) |
---|
807 | { |
---|
808 | unsigned char header[SIZEOF_BMP_HEADER]; |
---|
809 | int pos = 0; |
---|
810 | header[pos++] = 'B'; |
---|
811 | header[pos++] = 'M'; |
---|
812 | |
---|
813 | // BE CAREFUL: BMP files must have an even multiple of 4 bytes |
---|
814 | // on each scan line. If need be, we add padding to each line. |
---|
815 | int pad = 0; |
---|
816 | if ((3*win_width) % 4 > 0) { |
---|
817 | pad = 4 - ((3*win_width) % 4); |
---|
818 | } |
---|
819 | |
---|
820 | // file size in bytes |
---|
821 | int fsize = (3*win_width+pad)*win_height + SIZEOF_BMP_HEADER; |
---|
822 | bmp_header_add_int(header, pos, fsize); |
---|
823 | |
---|
824 | // reserved value (must be 0) |
---|
825 | bmp_header_add_int(header, pos, 0); |
---|
826 | |
---|
827 | // offset in bytes to start of bitmap data |
---|
828 | bmp_header_add_int(header, pos, SIZEOF_BMP_HEADER); |
---|
829 | |
---|
830 | // size of the BITMAPINFOHEADER |
---|
831 | bmp_header_add_int(header, pos, 40); |
---|
832 | |
---|
833 | // width of the image in pixels |
---|
834 | bmp_header_add_int(header, pos, win_width); |
---|
835 | |
---|
836 | // height of the image in pixels |
---|
837 | bmp_header_add_int(header, pos, win_height); |
---|
838 | |
---|
839 | // 1 plane + (24 bits/pixel << 16) |
---|
840 | bmp_header_add_int(header, pos, 1572865); |
---|
841 | |
---|
842 | // no compression |
---|
843 | // size of image for compression |
---|
844 | bmp_header_add_int(header, pos, 0); |
---|
845 | bmp_header_add_int(header, pos, 0); |
---|
846 | |
---|
847 | // x pixels per meter |
---|
848 | // y pixels per meter |
---|
849 | bmp_header_add_int(header, pos, 0); |
---|
850 | bmp_header_add_int(header, pos, 0); |
---|
851 | |
---|
852 | // number of colors used (0 = compute from bits/pixel) |
---|
853 | // number of important colors (0 = all colors important) |
---|
854 | bmp_header_add_int(header, pos, 0); |
---|
855 | bmp_header_add_int(header, pos, 0); |
---|
856 | |
---|
857 | // BE CAREFUL: BMP format wants BGR ordering for screen data |
---|
858 | unsigned char* scr = screen_buffer; |
---|
859 | for (int row=0; row < win_height; row++) { |
---|
860 | for (int col=0; col < win_width; col++) { |
---|
861 | unsigned char tmp = scr[2]; |
---|
862 | scr[2] = scr[0]; // B |
---|
863 | scr[0] = tmp; // R |
---|
864 | scr += 3; |
---|
865 | } |
---|
866 | scr += pad; // skip over padding already in screen data |
---|
867 | } |
---|
868 | |
---|
869 | FILE* f; |
---|
870 | char filename[100]; |
---|
871 | if (frame_number >= 0) { |
---|
872 | if (directory_name) |
---|
873 | sprintf(filename, "%s/image%03d.bmp", directory_name, frame_number); |
---|
874 | else |
---|
875 | sprintf(filename, "/tmp/flow_animation/image%03d.bmp", frame_number); |
---|
876 | |
---|
877 | printf("Writing %s\n", filename); |
---|
878 | f = fopen(filename, "wb"); |
---|
879 | if (f == 0) { |
---|
880 | Trace("cannot create file\n"); |
---|
881 | } |
---|
882 | } else { |
---|
883 | f = fopen("/tmp/image.bmp", "wb"); |
---|
884 | if (f == 0) { |
---|
885 | Trace("cannot create file\n"); |
---|
886 | } |
---|
887 | } |
---|
888 | fwrite((void*) header, SIZEOF_BMP_HEADER, 1, f); |
---|
889 | fwrite((void*) screen_buffer, (3*win_width+pad)*win_height, 1, f); |
---|
890 | fclose(f); |
---|
891 | } |
---|
892 | |
---|
893 | void |
---|
894 | NanoVis::bmp_write(const char *prefix) |
---|
895 | { |
---|
896 | unsigned char header[SIZEOF_BMP_HEADER]; |
---|
897 | int pos = 0; |
---|
898 | |
---|
899 | // BE CAREFUL: BMP files must have an even multiple of 4 bytes |
---|
900 | // on each scan line. If need be, we add padding to each line. |
---|
901 | int pad = 0; |
---|
902 | if ((3*win_width) % 4 > 0) { |
---|
903 | pad = 4 - ((3*win_width) % 4); |
---|
904 | } |
---|
905 | pad = 0; |
---|
906 | int fsize = (3*win_width+pad)*win_height + sizeof(header); |
---|
907 | |
---|
908 | char string[200]; |
---|
909 | sprintf(string, "%s %d\n", prefix, fsize); |
---|
910 | write(0, string, strlen(string)); |
---|
911 | |
---|
912 | header[pos++] = 'B'; |
---|
913 | header[pos++] = 'M'; |
---|
914 | |
---|
915 | // file size in bytes |
---|
916 | bmp_header_add_int(header, pos, fsize); |
---|
917 | |
---|
918 | // reserved value (must be 0) |
---|
919 | bmp_header_add_int(header, pos, 0); |
---|
920 | |
---|
921 | // offset in bytes to start of bitmap data |
---|
922 | bmp_header_add_int(header, pos, SIZEOF_BMP_HEADER); |
---|
923 | |
---|
924 | // size of the BITMAPINFOHEADER |
---|
925 | bmp_header_add_int(header, pos, 40); |
---|
926 | |
---|
927 | // width of the image in pixels |
---|
928 | bmp_header_add_int(header, pos, win_width); |
---|
929 | |
---|
930 | // height of the image in pixels |
---|
931 | bmp_header_add_int(header, pos, win_height); |
---|
932 | |
---|
933 | // 1 plane + (24 bits/pixel << 16) |
---|
934 | bmp_header_add_int(header, pos, 1572865); |
---|
935 | |
---|
936 | // no compression |
---|
937 | // size of image for compression |
---|
938 | bmp_header_add_int(header, pos, 0); |
---|
939 | bmp_header_add_int(header, pos, 0); |
---|
940 | |
---|
941 | // x pixels per meter |
---|
942 | // y pixels per meter |
---|
943 | bmp_header_add_int(header, pos, 0); |
---|
944 | bmp_header_add_int(header, pos, 0); |
---|
945 | |
---|
946 | // number of colors used (0 = compute from bits/pixel) |
---|
947 | // number of important colors (0 = all colors important) |
---|
948 | bmp_header_add_int(header, pos, 0); |
---|
949 | bmp_header_add_int(header, pos, 0); |
---|
950 | |
---|
951 | // BE CAREFUL: BMP format wants BGR ordering for screen data |
---|
952 | unsigned char* scr = screen_buffer; |
---|
953 | for (int row=0; row < win_height; row++) { |
---|
954 | for (int col=0; col < win_width; col++) { |
---|
955 | unsigned char tmp = scr[2]; |
---|
956 | scr[2] = scr[0]; // B |
---|
957 | scr[0] = tmp; // R |
---|
958 | scr += 3; |
---|
959 | } |
---|
960 | scr += pad; // skip over padding already in screen data |
---|
961 | } |
---|
962 | |
---|
963 | write(0, header, SIZEOF_BMP_HEADER); |
---|
964 | write(0, screen_buffer, (3*win_width+pad)*win_height); |
---|
965 | } |
---|
966 | |
---|
967 | /* |
---|
968 | * ppm_write -- |
---|
969 | * |
---|
970 | * Writes the screen image as PPM binary data to the nanovisviewer |
---|
971 | * client. The PPM binary format is very simple. |
---|
972 | * |
---|
973 | * P6 w h 255\n |
---|
974 | * 3-byte RGB pixel data. |
---|
975 | * |
---|
976 | * The nanovisviewer client (using the TkImg library) will do less work |
---|
977 | * to unpack this format, as opposed to BMP or PNG. (This doesn't |
---|
978 | * eliminate the need to look into DXT compression performed on the GPU). |
---|
979 | * |
---|
980 | * Note that currently the image data from the screen is both row-padded |
---|
981 | * and the scan lines are reversed. This routine could be made even |
---|
982 | * simpler (faster) if the screen buffer is an array of packed 3-bytes |
---|
983 | * per pixels (no padding) and where the origin is the top-left corner. |
---|
984 | */ |
---|
985 | void |
---|
986 | NanoVis::ppm_write(const char *prefix) |
---|
987 | { |
---|
988 | #define PPM_MAXVAL 255 |
---|
989 | char header[200]; |
---|
990 | |
---|
991 | // Generate the PPM binary file header |
---|
992 | sprintf(header, "P6 %d %d %d\n", win_width, win_height, PPM_MAXVAL); |
---|
993 | |
---|
994 | size_t header_length = strlen(header); |
---|
995 | size_t data_length = win_width * win_height * 3; |
---|
996 | |
---|
997 | char command[200]; |
---|
998 | sprintf(command, "%s %d\n", prefix, header_length + data_length); |
---|
999 | |
---|
1000 | size_t wordsPerRow = (win_width * 24 + 31) / 32; |
---|
1001 | size_t bytesPerRow = wordsPerRow * 4; |
---|
1002 | size_t rowLength = win_width * 3; |
---|
1003 | size_t nRecs = win_height + 2; |
---|
1004 | |
---|
1005 | struct iovec *iov; |
---|
1006 | iov = (struct iovec *)malloc(sizeof(struct iovec) * nRecs); |
---|
1007 | |
---|
1008 | // Write the nanovisviewer command, then the image header and data. |
---|
1009 | // Command |
---|
1010 | iov[0].iov_base = command; |
---|
1011 | iov[0].iov_len = strlen(command); |
---|
1012 | // Header of image data |
---|
1013 | iov[1].iov_base = header; |
---|
1014 | iov[1].iov_len = header_length; |
---|
1015 | // Image data. |
---|
1016 | int y; |
---|
1017 | unsigned char *srcRowPtr = screen_buffer; |
---|
1018 | for (y = win_height + 1; y >= 2; y--) { |
---|
1019 | iov[y].iov_base = srcRowPtr; |
---|
1020 | iov[y].iov_len = rowLength; |
---|
1021 | srcRowPtr += bytesPerRow; |
---|
1022 | } |
---|
1023 | writev(0, iov, nRecs); |
---|
1024 | free(iov); |
---|
1025 | } |
---|
1026 | |
---|
1027 | #ifdef notdef |
---|
1028 | //draw vectors |
---|
1029 | void draw_arrows() |
---|
1030 | { |
---|
1031 | glColor4f(0.,0.,1.,1.); |
---|
1032 | for(int i=0; i<NMESH; i++){ |
---|
1033 | for(int j=0; j<NMESH; j++){ |
---|
1034 | Vector2 v = grid.get(i, j); |
---|
1035 | |
---|
1036 | int x1 = i*DM; |
---|
1037 | int y1 = j*DM; |
---|
1038 | |
---|
1039 | int x2 = x1 + v.x; |
---|
1040 | int y2 = y1 + v.y; |
---|
1041 | |
---|
1042 | glBegin(GL_LINES); |
---|
1043 | glVertex2d(x1, y1); |
---|
1044 | glVertex2d(x2, y2); |
---|
1045 | glEnd(); |
---|
1046 | } |
---|
1047 | } |
---|
1048 | } |
---|
1049 | #endif |
---|
1050 | |
---|
1051 | |
---|
1052 | /*----------------------------------------------------*/ |
---|
1053 | static void |
---|
1054 | idle() |
---|
1055 | { |
---|
1056 | glutSetWindow(render_window); |
---|
1057 | |
---|
1058 | #ifdef notdef |
---|
1059 | struct timespec ts; |
---|
1060 | ts.tv_sec = 0; |
---|
1061 | ts.tv_nsec = 300000000; |
---|
1062 | nanosleep(&ts, 0); |
---|
1063 | #endif |
---|
1064 | #ifdef XINETD |
---|
1065 | xinetd_listen(); |
---|
1066 | #else |
---|
1067 | glutPostRedisplay(); |
---|
1068 | #endif |
---|
1069 | } |
---|
1070 | |
---|
1071 | void |
---|
1072 | NanoVis::display_offscreen_buffer() |
---|
1073 | { |
---|
1074 | glEnable(GL_TEXTURE_2D); |
---|
1075 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); |
---|
1076 | glBindTexture(GL_TEXTURE_2D, final_color_tex); |
---|
1077 | |
---|
1078 | glViewport(0, 0, win_width, win_height); |
---|
1079 | glMatrixMode(GL_PROJECTION); |
---|
1080 | glLoadIdentity(); |
---|
1081 | gluOrtho2D(0, win_width, 0, win_height); |
---|
1082 | glMatrixMode(GL_MODELVIEW); |
---|
1083 | glLoadIdentity(); |
---|
1084 | |
---|
1085 | glColor3f(1.,1.,1.); //MUST HAVE THIS LINE!!! |
---|
1086 | glBegin(GL_QUADS); |
---|
1087 | { |
---|
1088 | glTexCoord2f(0, 0); glVertex2f(0, 0); |
---|
1089 | glTexCoord2f(1, 0); glVertex2f(win_width, 0); |
---|
1090 | glTexCoord2f(1, 1); glVertex2f(win_width, win_height); |
---|
1091 | glTexCoord2f(0, 1); glVertex2f(0, win_height); |
---|
1092 | } |
---|
1093 | glEnd(); |
---|
1094 | } |
---|
1095 | |
---|
1096 | |
---|
1097 | #ifdef notdef |
---|
1098 | |
---|
1099 | static int |
---|
1100 | particle_distance_sort(const void* a, const void* b) |
---|
1101 | { |
---|
1102 | if((*((Particle*)a)).aux > (*((Particle*)b)).aux) { |
---|
1103 | return -1; |
---|
1104 | } else { |
---|
1105 | return 1; |
---|
1106 | } |
---|
1107 | } |
---|
1108 | |
---|
1109 | void soft_read_verts() |
---|
1110 | { |
---|
1111 | glReadPixels(0, 0, psys->psys_width, psys->psys_height, GL_RGB, GL_FLOAT, |
---|
1112 | vert); |
---|
1113 | //fprintf(stderr, "soft_read_vert"); |
---|
1114 | |
---|
1115 | //cpu sort the distance |
---|
1116 | Particle* p; |
---|
1117 | p = (Particle*)malloc(sizeof(Particle)*psys->psys_width*psys->psys_height); |
---|
1118 | for (int i=0; i<psys->psys_width * psys->psys_height; i++) { |
---|
1119 | float x = vert[3*i]; |
---|
1120 | float y = vert[3*i+1]; |
---|
1121 | float z = vert[3*i+2]; |
---|
1122 | |
---|
1123 | float dis = (x-live_obj_x)*(x-live_obj_x) + (y-live_obj_y)*(y-live_obj_y) + (z-live_obj_z)*(z-live_obj_z); |
---|
1124 | p[i].x = x; |
---|
1125 | p[i].y = y; |
---|
1126 | p[i].z = z; |
---|
1127 | p[i].aux = dis; |
---|
1128 | } |
---|
1129 | |
---|
1130 | qsort(p, psys->psys_width * psys->psys_height, sizeof(Particle), particle_distance_sort); |
---|
1131 | |
---|
1132 | for(int i=0; i<psys->psys_width * psys->psys_height; i++){ |
---|
1133 | vert[3*i] = p[i].x; |
---|
1134 | vert[3*i+1] = p[i].y; |
---|
1135 | vert[3*i+2] = p[i].z; |
---|
1136 | } |
---|
1137 | |
---|
1138 | free(p); |
---|
1139 | } |
---|
1140 | #endif |
---|
1141 | |
---|
1142 | #ifdef notdef |
---|
1143 | //display the content of a texture as a screen aligned quad |
---|
1144 | void |
---|
1145 | display_texture(NVISid tex, int width, int height) |
---|
1146 | { |
---|
1147 | glPushMatrix(); |
---|
1148 | |
---|
1149 | glEnable(GL_TEXTURE_2D); |
---|
1150 | glBindTexture(GL_TEXTURE_RECTANGLE_NV, tex); |
---|
1151 | |
---|
1152 | glViewport(0, 0, width, height); |
---|
1153 | glMatrixMode(GL_PROJECTION); |
---|
1154 | glLoadIdentity(); |
---|
1155 | gluOrtho2D(0, width, 0, height); |
---|
1156 | glMatrixMode(GL_MODELVIEW); |
---|
1157 | glLoadIdentity(); |
---|
1158 | |
---|
1159 | cgGLBindProgram(m_passthru_fprog); |
---|
1160 | cgGLEnableProfile(CG_PROFILE_FP30); |
---|
1161 | |
---|
1162 | cgGLSetParameter4f(m_passthru_scale_param, 1.0, 1.0, 1.0, 1.0); |
---|
1163 | cgGLSetParameter4f(m_passthru_bias_param, 0.0, 0.0, 0.0, 0.0); |
---|
1164 | |
---|
1165 | draw_quad(width, height, width, height); |
---|
1166 | cgGLDisableProfile(CG_PROFILE_FP30); |
---|
1167 | |
---|
1168 | glPopMatrix(); |
---|
1169 | |
---|
1170 | //assert(glGetError()==0); |
---|
1171 | } |
---|
1172 | #endif |
---|
1173 | |
---|
1174 | |
---|
1175 | //draw vertices in the main memory |
---|
1176 | #ifdef notdef |
---|
1177 | void |
---|
1178 | soft_display_verts() |
---|
1179 | { |
---|
1180 | glDisable(GL_TEXTURE_2D); |
---|
1181 | glEnable(GL_BLEND); |
---|
1182 | |
---|
1183 | glPointSize(0.5); |
---|
1184 | glColor4f(0,0.8,0.8,0.6); |
---|
1185 | glBegin(GL_POINTS); |
---|
1186 | { |
---|
1187 | for(int i=0; i < psys->psys_width * psys->psys_height; i++){ |
---|
1188 | glVertex3f(vert[3*i], vert[3*i+1], vert[3*i+2]); |
---|
1189 | } |
---|
1190 | } |
---|
1191 | glEnd(); |
---|
1192 | //fprintf(stderr, "soft_display_vert"); |
---|
1193 | } |
---|
1194 | #endif |
---|
1195 | |
---|
1196 | #if 0 |
---|
1197 | //oddeven sort on GPU |
---|
1198 | void |
---|
1199 | sortstep() |
---|
1200 | { |
---|
1201 | // perform one step of the current sorting algorithm |
---|
1202 | |
---|
1203 | #ifdef notdef |
---|
1204 | // swap buffers |
---|
1205 | int sourceBuffer = targetBuffer; |
---|
1206 | targetBuffer = (targetBuffer+1)%2; |
---|
1207 | int pstage = (1<<stage); |
---|
1208 | int ppass = (1<<pass); |
---|
1209 | int activeBitonicShader = 0; |
---|
1210 | |
---|
1211 | #ifdef _WIN32 |
---|
1212 | buffer->BindBuffer(wglTargets[sourceBuffer]); |
---|
1213 | #else |
---|
1214 | buffer->BindBuffer(glTargets[sourceBuffer]); |
---|
1215 | #endif |
---|
1216 | if (buffer->IsDoubleBuffered()) glDrawBuffer(glTargets[targetBuffer]); |
---|
1217 | #endif |
---|
1218 | |
---|
1219 | checkGLError("after db"); |
---|
1220 | |
---|
1221 | int pstage = (1<<stage); |
---|
1222 | int ppass = (1<<pass); |
---|
1223 | //int activeBitonicShader = 0; |
---|
1224 | |
---|
1225 | // switch on correct sorting shader |
---|
1226 | oddevenMergeSort.bind(); |
---|
1227 | glUniform3fARB(oddevenMergeSort.getUniformLocation("Param1"), float(pstage+pstage), |
---|
1228 | float(ppass%pstage), float((pstage+pstage)-(ppass%pstage)-1)); |
---|
1229 | glUniform3fARB(oddevenMergeSort.getUniformLocation("Param2"), |
---|
1230 | float(psys_width), float(psys_height), float(ppass)); |
---|
1231 | glUniform1iARB(oddevenMergeSort.getUniformLocation("Data"), 0); |
---|
1232 | staticdebugmsg("sort","stage "<<pstage<<" pass "<<ppass); |
---|
1233 | |
---|
1234 | // This clear is not necessary for sort to function. But if we are in |
---|
1235 | // interactive mode unused parts of the texture that are visible will look |
---|
1236 | // bad. |
---|
1237 | #ifdef notdef |
---|
1238 | if (!perfTest) glClear(GL_COLOR_BUFFER_BIT); |
---|
1239 | |
---|
1240 | buffer->Bind(); |
---|
1241 | buffer->EnableTextureTarget(); |
---|
1242 | #endif |
---|
1243 | |
---|
1244 | // Initiate the sorting step on the GPU a full-screen quad |
---|
1245 | glBegin(GL_QUADS); |
---|
1246 | { |
---|
1247 | #ifdef notdef |
---|
1248 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,0.0f,0.0f,0.0f,1.0f); |
---|
1249 | glVertex2f(-1.0f,-1.0f); |
---|
1250 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,float(psys_width),0.0f,1.0f,1.0f); |
---|
1251 | glVertex2f(1.0f,-1.0f); |
---|
1252 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,float(psys_width),float(psys_height),1.0f,0.0f); |
---|
1253 | glVertex2f(1.0f,1.0f); |
---|
1254 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,0.0f,float(psys_height),0.0f,0.0f); |
---|
1255 | glVertex2f(-1.0f,1.0f); |
---|
1256 | #endif |
---|
1257 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,0.0f,0.0f,0.0f,1.0f); |
---|
1258 | glVertex2f(0.,0.); |
---|
1259 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,float(psys_width),0.0f,1.0f,1.0f); |
---|
1260 | glVertex2f(float(psys_width), 0.); |
---|
1261 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,float(psys_width),float(psys_height),1.0f,0.0f); |
---|
1262 | glVertex2f(float(psys_width), float(psys_height)); |
---|
1263 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,0.0f,float(psys_height),0.0f,0.0f); |
---|
1264 | glVertex2f(0., float(psys_height)); |
---|
1265 | } |
---|
1266 | glEnd(); |
---|
1267 | |
---|
1268 | // switch off sorting shader |
---|
1269 | oddevenMergeSort.release(); |
---|
1270 | |
---|
1271 | //buffer->DisableTextureTarget(); |
---|
1272 | |
---|
1273 | //assert(glGetError()==0); |
---|
1274 | } |
---|
1275 | #endif |
---|
1276 | |
---|
1277 | |
---|
1278 | void |
---|
1279 | draw_3d_axis() |
---|
1280 | { |
---|
1281 | glDisable(GL_TEXTURE_2D); |
---|
1282 | glEnable(GL_DEPTH_TEST); |
---|
1283 | |
---|
1284 | //draw axes |
---|
1285 | GLUquadric *obj; |
---|
1286 | |
---|
1287 | obj = gluNewQuadric(); |
---|
1288 | |
---|
1289 | glDepthFunc(GL_LESS); |
---|
1290 | glEnable(GL_COLOR_MATERIAL); |
---|
1291 | glEnable(GL_DEPTH_TEST); |
---|
1292 | glDisable(GL_BLEND); |
---|
1293 | |
---|
1294 | int segments = 50; |
---|
1295 | |
---|
1296 | glColor3f(0.8, 0.8, 0.8); |
---|
1297 | glPushMatrix(); |
---|
1298 | glTranslatef(0.4, 0., 0.); |
---|
1299 | glRotatef(90, 1, 0, 0); |
---|
1300 | glRotatef(180, 0, 1, 0); |
---|
1301 | glScalef(0.0005, 0.0005, 0.0005); |
---|
1302 | glutStrokeCharacter(GLUT_STROKE_ROMAN, 'x'); |
---|
1303 | glPopMatrix(); |
---|
1304 | |
---|
1305 | glPushMatrix(); |
---|
1306 | glTranslatef(0., 0.4, 0.); |
---|
1307 | glRotatef(90, 1, 0, 0); |
---|
1308 | glRotatef(180, 0, 1, 0); |
---|
1309 | glScalef(0.0005, 0.0005, 0.0005); |
---|
1310 | glutStrokeCharacter(GLUT_STROKE_ROMAN, 'y'); |
---|
1311 | glPopMatrix(); |
---|
1312 | |
---|
1313 | glPushMatrix(); |
---|
1314 | glTranslatef(0., 0., 0.4); |
---|
1315 | glRotatef(90, 1, 0, 0); |
---|
1316 | glRotatef(180, 0, 1, 0); |
---|
1317 | glScalef(0.0005, 0.0005, 0.0005); |
---|
1318 | glutStrokeCharacter(GLUT_STROKE_ROMAN, 'z'); |
---|
1319 | glPopMatrix(); |
---|
1320 | |
---|
1321 | glEnable(GL_LIGHTING); |
---|
1322 | glEnable(GL_LIGHT0); |
---|
1323 | |
---|
1324 | //glColor3f(0.2, 0.2, 0.8); |
---|
1325 | glPushMatrix(); |
---|
1326 | glutSolidSphere(0.02, segments, segments ); |
---|
1327 | glPopMatrix(); |
---|
1328 | |
---|
1329 | glPushMatrix(); |
---|
1330 | glRotatef(-90, 1, 0, 0); |
---|
1331 | gluCylinder(obj, 0.01, 0.01, 0.3, segments, segments); |
---|
1332 | glPopMatrix(); |
---|
1333 | |
---|
1334 | glPushMatrix(); |
---|
1335 | glTranslatef(0., 0.3, 0.); |
---|
1336 | glRotatef(-90, 1, 0, 0); |
---|
1337 | gluCylinder(obj, 0.02, 0.0, 0.06, segments, segments); |
---|
1338 | glPopMatrix(); |
---|
1339 | |
---|
1340 | glPushMatrix(); |
---|
1341 | glRotatef(90, 0, 1, 0); |
---|
1342 | gluCylinder(obj, 0.01, 0.01, 0.3, segments, segments); |
---|
1343 | glPopMatrix(); |
---|
1344 | |
---|
1345 | glPushMatrix(); |
---|
1346 | glTranslatef(0.3, 0., 0.); |
---|
1347 | glRotatef(90, 0, 1, 0); |
---|
1348 | gluCylinder(obj, 0.02, 0.0, 0.06, segments, segments); |
---|
1349 | glPopMatrix(); |
---|
1350 | |
---|
1351 | glPushMatrix(); |
---|
1352 | gluCylinder(obj, 0.01, 0.01, 0.3, segments, segments); |
---|
1353 | glPopMatrix(); |
---|
1354 | |
---|
1355 | glPushMatrix(); |
---|
1356 | glTranslatef(0., 0., 0.3); |
---|
1357 | gluCylinder(obj, 0.02, 0.0, 0.06, segments, segments); |
---|
1358 | glPopMatrix(); |
---|
1359 | |
---|
1360 | glDisable(GL_LIGHTING); |
---|
1361 | glDisable(GL_DEPTH_TEST); |
---|
1362 | gluDeleteQuadric(obj); |
---|
1363 | |
---|
1364 | glEnable(GL_TEXTURE_2D); |
---|
1365 | glDisable(GL_DEPTH_TEST); |
---|
1366 | } |
---|
1367 | |
---|
1368 | #ifdef notdef |
---|
1369 | void |
---|
1370 | draw_axis() |
---|
1371 | { |
---|
1372 | glDisable(GL_TEXTURE_2D); |
---|
1373 | glEnable(GL_DEPTH_TEST); |
---|
1374 | |
---|
1375 | //red x |
---|
1376 | glColor3f(1,0,0); |
---|
1377 | glBegin(GL_LINES); |
---|
1378 | { |
---|
1379 | glVertex3f(0,0,0); |
---|
1380 | glVertex3f(1.5,0,0); |
---|
1381 | } |
---|
1382 | glEnd(); |
---|
1383 | |
---|
1384 | //blue y |
---|
1385 | glColor3f(0,0,1); |
---|
1386 | glBegin(GL_LINES); |
---|
1387 | { |
---|
1388 | glVertex3f(0,0,0); |
---|
1389 | glVertex3f(0,1.5,0); |
---|
1390 | } |
---|
1391 | glEnd(); |
---|
1392 | |
---|
1393 | //green z |
---|
1394 | glColor3f(0,1,0); |
---|
1395 | glBegin(GL_LINES); |
---|
1396 | { |
---|
1397 | glVertex3f(0,0,0); |
---|
1398 | glVertex3f(0,0,1.5); |
---|
1399 | } |
---|
1400 | glEnd(); |
---|
1401 | |
---|
1402 | glEnable(GL_TEXTURE_2D); |
---|
1403 | glDisable(GL_DEPTH_TEST); |
---|
1404 | } |
---|
1405 | #endif |
---|
1406 | |
---|
1407 | void NanoVis::update() |
---|
1408 | { |
---|
1409 | if (vol_renderer->_volumeInterpolator->is_started()) { |
---|
1410 | struct timeval clock; |
---|
1411 | gettimeofday(&clock, NULL); |
---|
1412 | double elapsed_time; |
---|
1413 | |
---|
1414 | elapsed_time = clock.tv_sec + clock.tv_usec/1000000.0 - |
---|
1415 | vol_renderer->_volumeInterpolator->getStartTime(); |
---|
1416 | |
---|
1417 | Trace("%lf %lf\n", elapsed_time, vol_renderer->_volumeInterpolator->getInterval()); |
---|
1418 | float fraction; |
---|
1419 | float f; |
---|
1420 | |
---|
1421 | f = fmod((float) elapsed_time, (float)vol_renderer->_volumeInterpolator->getInterval()); |
---|
1422 | if (f == 0.0) { |
---|
1423 | fraction = 0.0f; |
---|
1424 | } else { |
---|
1425 | fraction = f / vol_renderer->_volumeInterpolator->getInterval(); |
---|
1426 | } |
---|
1427 | Trace("fraction : %f\n", fraction); |
---|
1428 | vol_renderer->_volumeInterpolator->update(fraction); |
---|
1429 | } |
---|
1430 | } |
---|
1431 | |
---|
1432 | void |
---|
1433 | NanoVis::SetVolumeRanges() |
---|
1434 | { |
---|
1435 | double xMin, xMax, yMin, yMax, zMin, zMax, wMin, wMax; |
---|
1436 | |
---|
1437 | xMin = yMin = zMin = wMin = DBL_MAX; |
---|
1438 | xMax = yMax = zMax = wMax = -DBL_MAX; |
---|
1439 | for (unsigned int i = 0; i < volume.size(); i++) { |
---|
1440 | Volume *volPtr; |
---|
1441 | |
---|
1442 | volPtr = volume[i]; |
---|
1443 | if (volPtr == NULL) { |
---|
1444 | continue; |
---|
1445 | } |
---|
1446 | if (!volPtr->enabled) { |
---|
1447 | continue; |
---|
1448 | } |
---|
1449 | if (xMin > volPtr->xAxis.Min()) { |
---|
1450 | xMin = volPtr->xAxis.Min(); |
---|
1451 | } |
---|
1452 | if (xMax < volPtr->xAxis.Max()) { |
---|
1453 | xMax = volPtr->xAxis.Max(); |
---|
1454 | } |
---|
1455 | if (yMin > volPtr->yAxis.Min()) { |
---|
1456 | yMin = volPtr->yAxis.Min(); |
---|
1457 | } |
---|
1458 | if (yMax < volPtr->yAxis.Max()) { |
---|
1459 | yMax = volPtr->yAxis.Max(); |
---|
1460 | } |
---|
1461 | if (zMin > volPtr->zAxis.Min()) { |
---|
1462 | zMin = volPtr->zAxis.Min(); |
---|
1463 | } |
---|
1464 | if (zMax < volPtr->zAxis.Max()) { |
---|
1465 | zMax = volPtr->zAxis.Max(); |
---|
1466 | } |
---|
1467 | if (wMin > volPtr->wAxis.Min()) { |
---|
1468 | wMin = volPtr->wAxis.Min(); |
---|
1469 | } |
---|
1470 | if (wMax < volPtr->wAxis.Max()) { |
---|
1471 | wMax = volPtr->wAxis.Max(); |
---|
1472 | } |
---|
1473 | } |
---|
1474 | if ((xMin < DBL_MAX) && (xMax > -DBL_MAX)) { |
---|
1475 | grid->xAxis.SetScale(xMin, xMax); |
---|
1476 | } |
---|
1477 | if ((yMin < DBL_MAX) && (yMax > -DBL_MAX)) { |
---|
1478 | grid->yAxis.SetScale(yMin, yMax); |
---|
1479 | } |
---|
1480 | if ((zMin < DBL_MAX) && (zMax > -DBL_MAX)) { |
---|
1481 | grid->zAxis.SetScale(zMin, zMax); |
---|
1482 | } |
---|
1483 | if ((wMin < DBL_MAX) && (wMax > -DBL_MAX)) { |
---|
1484 | Volume::valueMin = wMin; |
---|
1485 | Volume::valueMax = wMax; |
---|
1486 | } |
---|
1487 | Volume::update_pending = false; |
---|
1488 | } |
---|
1489 | |
---|
1490 | void |
---|
1491 | NanoVis::SetHeightmapRanges() |
---|
1492 | { |
---|
1493 | double xMin, xMax, yMin, yMax, zMin, zMax, wMin, wMax; |
---|
1494 | |
---|
1495 | xMin = yMin = zMin = wMin = DBL_MAX; |
---|
1496 | xMax = yMax = zMax = wMax = -DBL_MAX; |
---|
1497 | for (unsigned int i = 0; i < heightMap.size(); i++) { |
---|
1498 | HeightMap *hmPtr; |
---|
1499 | |
---|
1500 | hmPtr = heightMap[i]; |
---|
1501 | if (hmPtr == NULL) { |
---|
1502 | continue; |
---|
1503 | } |
---|
1504 | if (xMin > hmPtr->xAxis.Min()) { |
---|
1505 | xMin = hmPtr->xAxis.Min(); |
---|
1506 | } |
---|
1507 | if (xMax < hmPtr->xAxis.Max()) { |
---|
1508 | xMax = hmPtr->xAxis.Max(); |
---|
1509 | } |
---|
1510 | if (yMin > hmPtr->yAxis.Min()) { |
---|
1511 | yMin = hmPtr->yAxis.Min(); |
---|
1512 | } |
---|
1513 | if (yMax < hmPtr->yAxis.Max()) { |
---|
1514 | yMax = hmPtr->yAxis.Max(); |
---|
1515 | } |
---|
1516 | if (zMin > hmPtr->zAxis.Min()) { |
---|
1517 | zMin = hmPtr->zAxis.Min(); |
---|
1518 | } |
---|
1519 | if (zMax < hmPtr->zAxis.Max()) { |
---|
1520 | zMax = hmPtr->zAxis.Max(); |
---|
1521 | } |
---|
1522 | if (wMin > hmPtr->wAxis.Min()) { |
---|
1523 | wMin = hmPtr->wAxis.Min(); |
---|
1524 | } |
---|
1525 | if (wMax < hmPtr->wAxis.Max()) { |
---|
1526 | wMax = hmPtr->wAxis.Max(); |
---|
1527 | } |
---|
1528 | } |
---|
1529 | if ((xMin < DBL_MAX) && (xMax > -DBL_MAX)) { |
---|
1530 | grid->xAxis.SetScale(xMin, xMax); |
---|
1531 | } |
---|
1532 | if ((yMin < DBL_MAX) && (yMax > -DBL_MAX)) { |
---|
1533 | grid->yAxis.SetScale(yMin, yMax); |
---|
1534 | } |
---|
1535 | if ((zMin < DBL_MAX) && (zMax > -DBL_MAX)) { |
---|
1536 | grid->zAxis.SetScale(zMin, zMax); |
---|
1537 | } |
---|
1538 | if ((wMin < DBL_MAX) && (wMax > -DBL_MAX)) { |
---|
1539 | HeightMap::valueMin = wMin; |
---|
1540 | HeightMap::valueMax = wMax; |
---|
1541 | } |
---|
1542 | HeightMap::update_pending = false; |
---|
1543 | } |
---|
1544 | |
---|
1545 | /*----------------------------------------------------*/ |
---|
1546 | void |
---|
1547 | NanoVis::display() |
---|
1548 | { |
---|
1549 | //assert(glGetError()==0); |
---|
1550 | if (HeightMap::update_pending) { |
---|
1551 | SetHeightmapRanges(); |
---|
1552 | } |
---|
1553 | if (Volume::update_pending) { |
---|
1554 | SetVolumeRanges(); |
---|
1555 | } |
---|
1556 | //start final rendering |
---|
1557 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear screen |
---|
1558 | |
---|
1559 | if (volume_mode) { |
---|
1560 | //3D rendering mode |
---|
1561 | glEnable(GL_TEXTURE_2D); |
---|
1562 | glEnable(GL_DEPTH_TEST); |
---|
1563 | |
---|
1564 | //camera setting activated |
---|
1565 | cam->activate(); |
---|
1566 | |
---|
1567 | //set up the orientation of items in the scene. |
---|
1568 | glPushMatrix(); |
---|
1569 | switch (updir) { |
---|
1570 | case 1: // x |
---|
1571 | glRotatef(90, 0, 0, 1); |
---|
1572 | glRotatef(90, 1, 0, 0); |
---|
1573 | break; |
---|
1574 | |
---|
1575 | case 2: // y |
---|
1576 | // this is the default |
---|
1577 | break; |
---|
1578 | |
---|
1579 | case 3: // z |
---|
1580 | glRotatef(-90, 1, 0, 0); |
---|
1581 | glRotatef(-90, 0, 0, 1); |
---|
1582 | break; |
---|
1583 | |
---|
1584 | case -1: // -x |
---|
1585 | glRotatef(-90, 0, 0, 1); |
---|
1586 | break; |
---|
1587 | |
---|
1588 | case -2: // -y |
---|
1589 | glRotatef(180, 0, 0, 1); |
---|
1590 | glRotatef(-90, 0, 1, 0); |
---|
1591 | break; |
---|
1592 | |
---|
1593 | case -3: // -z |
---|
1594 | glRotatef(90, 1, 0, 0); |
---|
1595 | break; |
---|
1596 | } |
---|
1597 | |
---|
1598 | // TBD : This will be removed after being sure that all the functions work well. |
---|
1599 | //glPushMatrix(); |
---|
1600 | |
---|
1601 | //now render things in the scene |
---|
1602 | if (axis_on) { |
---|
1603 | draw_3d_axis(); |
---|
1604 | } |
---|
1605 | if (grid->isVisible()) { |
---|
1606 | grid->render(); |
---|
1607 | } |
---|
1608 | if (licRenderer && licRenderer->isActivated()) { |
---|
1609 | licRenderer->render(); |
---|
1610 | } |
---|
1611 | if (particleRenderer && particleRenderer->isActivated()) { |
---|
1612 | particleRenderer->render(); |
---|
1613 | } |
---|
1614 | //soft_display_verts(); |
---|
1615 | //perf->enable(); |
---|
1616 | //perf->disable(); |
---|
1617 | //fprintf(stderr, "particle pixels: %d\n", perf->get_pixel_count()); |
---|
1618 | //perf->reset(); |
---|
1619 | |
---|
1620 | //perf->enable(); |
---|
1621 | vol_renderer->render_all(); |
---|
1622 | //perf->disable(); |
---|
1623 | |
---|
1624 | for (unsigned int i = 0; i < heightMap.size(); ++i) { |
---|
1625 | if (heightMap[i]->isVisible()) { |
---|
1626 | heightMap[i]->render(renderContext); |
---|
1627 | } |
---|
1628 | } |
---|
1629 | glPopMatrix(); |
---|
1630 | } else { |
---|
1631 | //2D rendering mode |
---|
1632 | perf->enable(); |
---|
1633 | plane_render->render(); |
---|
1634 | perf->disable(); |
---|
1635 | } |
---|
1636 | |
---|
1637 | #ifdef XINETD |
---|
1638 | float cost = perf->get_pixel_count(); |
---|
1639 | write(3, &cost, sizeof(cost)); |
---|
1640 | #endif |
---|
1641 | perf->reset(); |
---|
1642 | |
---|
1643 | } |
---|
1644 | |
---|
1645 | #ifndef XINETD |
---|
1646 | void |
---|
1647 | NanoVis::mouse(int button, int state, int x, int y) |
---|
1648 | { |
---|
1649 | if(button==GLUT_LEFT_BUTTON){ |
---|
1650 | if (state==GLUT_DOWN) { |
---|
1651 | left_last_x = x; |
---|
1652 | left_last_y = y; |
---|
1653 | left_down = true; |
---|
1654 | right_down = false; |
---|
1655 | } else { |
---|
1656 | left_down = false; |
---|
1657 | right_down = false; |
---|
1658 | } |
---|
1659 | } else { |
---|
1660 | //fprintf(stderr, "right mouse\n"); |
---|
1661 | |
---|
1662 | if(state==GLUT_DOWN){ |
---|
1663 | //fprintf(stderr, "right mouse down\n"); |
---|
1664 | right_last_x = x; |
---|
1665 | right_last_y = y; |
---|
1666 | left_down = false; |
---|
1667 | right_down = true; |
---|
1668 | } else { |
---|
1669 | //fprintf(stderr, "right mouse up\n"); |
---|
1670 | left_down = false; |
---|
1671 | right_down = false; |
---|
1672 | } |
---|
1673 | } |
---|
1674 | } |
---|
1675 | |
---|
1676 | void |
---|
1677 | NanoVis::update_rot(int delta_x, int delta_y) |
---|
1678 | { |
---|
1679 | live_rot_x += delta_x; |
---|
1680 | live_rot_y += delta_y; |
---|
1681 | |
---|
1682 | if (live_rot_x > 360.0) { |
---|
1683 | live_rot_x -= 360.0; |
---|
1684 | } else if(live_rot_x < -360.0) { |
---|
1685 | live_rot_x += 360.0; |
---|
1686 | } |
---|
1687 | if (live_rot_y > 360.0) { |
---|
1688 | live_rot_y -= 360.0; |
---|
1689 | } else if(live_rot_y < -360.0) { |
---|
1690 | live_rot_y += 360.0; |
---|
1691 | } |
---|
1692 | cam->rotate(live_rot_x, live_rot_y, live_rot_z); |
---|
1693 | } |
---|
1694 | |
---|
1695 | void |
---|
1696 | NanoVis::update_trans(int delta_x, int delta_y, int delta_z) |
---|
1697 | { |
---|
1698 | live_obj_x += delta_x*0.03; |
---|
1699 | live_obj_y += delta_y*0.03; |
---|
1700 | live_obj_z += delta_z*0.03; |
---|
1701 | } |
---|
1702 | |
---|
1703 | void |
---|
1704 | NanoVis::keyboard(unsigned char key, int x, int y) |
---|
1705 | { |
---|
1706 | bool log = false; |
---|
1707 | |
---|
1708 | switch (key) { |
---|
1709 | case 'q': |
---|
1710 | exit(0); |
---|
1711 | break; |
---|
1712 | case '+': |
---|
1713 | lic_slice_z+=0.05; |
---|
1714 | lic->set_offset(lic_slice_z); |
---|
1715 | break; |
---|
1716 | case '-': |
---|
1717 | lic_slice_z-=0.05; |
---|
1718 | lic->set_offset(lic_slice_z); |
---|
1719 | break; |
---|
1720 | case ',': |
---|
1721 | lic_slice_x+=0.05; |
---|
1722 | //init_particles(); |
---|
1723 | break; |
---|
1724 | case '.': |
---|
1725 | lic_slice_x-=0.05; |
---|
1726 | //init_particles(); |
---|
1727 | break; |
---|
1728 | case '1': |
---|
1729 | //advect = true; |
---|
1730 | break; |
---|
1731 | case '2': |
---|
1732 | //psys_x+=0.05; |
---|
1733 | break; |
---|
1734 | case '3': |
---|
1735 | //psys_x-=0.05; |
---|
1736 | break; |
---|
1737 | case 'w': //zoom out |
---|
1738 | live_obj_z-=0.05; |
---|
1739 | log = true; |
---|
1740 | cam->move(live_obj_x, live_obj_y, live_obj_z); |
---|
1741 | break; |
---|
1742 | case 's': //zoom in |
---|
1743 | live_obj_z+=0.05; |
---|
1744 | log = true; |
---|
1745 | cam->move(live_obj_x, live_obj_y, live_obj_z); |
---|
1746 | break; |
---|
1747 | case 'a': //left |
---|
1748 | live_obj_x-=0.05; |
---|
1749 | log = true; |
---|
1750 | cam->move(live_obj_x, live_obj_y, live_obj_z); |
---|
1751 | break; |
---|
1752 | case 'd': //right |
---|
1753 | live_obj_x+=0.05; |
---|
1754 | log = true; |
---|
1755 | cam->move(live_obj_x, live_obj_y, live_obj_z); |
---|
1756 | break; |
---|
1757 | case 'i': |
---|
1758 | //init_particles(); |
---|
1759 | break; |
---|
1760 | case 'v': |
---|
1761 | vol_renderer->switch_volume_mode(); |
---|
1762 | break; |
---|
1763 | case 'b': |
---|
1764 | vol_renderer->switch_slice_mode(); |
---|
1765 | break; |
---|
1766 | case 'n': |
---|
1767 | resize_offscreen_buffer(win_width*2, win_height*2); |
---|
1768 | break; |
---|
1769 | case 'm': |
---|
1770 | resize_offscreen_buffer(win_width/2, win_height/2); |
---|
1771 | break; |
---|
1772 | default: |
---|
1773 | break; |
---|
1774 | } |
---|
1775 | #ifdef EVENTLOG |
---|
1776 | if(log){ |
---|
1777 | float param[3] = {live_obj_x, live_obj_y, live_obj_z}; |
---|
1778 | Event* tmp = new Event(EVENT_MOVE, param, NvGetTimeInterval()); |
---|
1779 | tmp->write(event_log); |
---|
1780 | delete tmp; |
---|
1781 | } |
---|
1782 | #endif |
---|
1783 | } |
---|
1784 | |
---|
1785 | void |
---|
1786 | NanoVis::motion(int x, int y) |
---|
1787 | { |
---|
1788 | int old_x, old_y; |
---|
1789 | |
---|
1790 | if(left_down){ |
---|
1791 | old_x = left_last_x; |
---|
1792 | old_y = left_last_y; |
---|
1793 | } else if(right_down){ |
---|
1794 | old_x = right_last_x; |
---|
1795 | old_y = right_last_y; |
---|
1796 | } |
---|
1797 | |
---|
1798 | int delta_x = x - old_x; |
---|
1799 | int delta_y = y - old_y; |
---|
1800 | |
---|
1801 | //more coarse event handling |
---|
1802 | //if(abs(delta_x)<10 && abs(delta_y)<10) |
---|
1803 | //return; |
---|
1804 | |
---|
1805 | if(left_down){ |
---|
1806 | left_last_x = x; |
---|
1807 | left_last_y = y; |
---|
1808 | |
---|
1809 | update_rot(-delta_y, -delta_x); |
---|
1810 | } else if (right_down){ |
---|
1811 | //fprintf(stderr, "right mouse motion (%d,%d)\n", x, y); |
---|
1812 | |
---|
1813 | right_last_x = x; |
---|
1814 | right_last_y = y; |
---|
1815 | |
---|
1816 | update_trans(0, 0, delta_x); |
---|
1817 | } |
---|
1818 | |
---|
1819 | #ifdef EVENTLOG |
---|
1820 | float param[3] = {live_rot_x, live_rot_y, live_rot_z}; |
---|
1821 | Event* tmp = new Event(EVENT_ROTATE, param, NvGetTimeInterval()); |
---|
1822 | tmp->write(event_log); |
---|
1823 | delete tmp; |
---|
1824 | #endif |
---|
1825 | glutPostRedisplay(); |
---|
1826 | } |
---|
1827 | |
---|
1828 | #endif /*XINETD*/ |
---|
1829 | |
---|
1830 | #ifdef notdef |
---|
1831 | |
---|
1832 | #ifdef XINETD |
---|
1833 | void |
---|
1834 | init_service() |
---|
1835 | { |
---|
1836 | //open log and map stderr to log file |
---|
1837 | xinetd_log = fopen("/tmp/log.txt", "w"); |
---|
1838 | close(2); |
---|
1839 | dup2(fileno(xinetd_log), 2); |
---|
1840 | dup2(2,1); |
---|
1841 | |
---|
1842 | //flush junk |
---|
1843 | fflush(stdout); |
---|
1844 | fflush(stderr); |
---|
1845 | } |
---|
1846 | |
---|
1847 | void |
---|
1848 | end_service() |
---|
1849 | { |
---|
1850 | //close log file |
---|
1851 | fclose(xinetd_log); |
---|
1852 | } |
---|
1853 | #endif /*XINETD*/ |
---|
1854 | |
---|
1855 | void |
---|
1856 | init_event_log() |
---|
1857 | { |
---|
1858 | event_log = fopen("event.txt", "w"); |
---|
1859 | assert(event_log!=0); |
---|
1860 | |
---|
1861 | struct timeval time; |
---|
1862 | gettimeofday(&time, NULL); |
---|
1863 | cur_time = time.tv_sec*1000. + time.tv_usec/1000.; |
---|
1864 | } |
---|
1865 | |
---|
1866 | void |
---|
1867 | end_event_log() |
---|
1868 | { |
---|
1869 | fclose(event_log); |
---|
1870 | } |
---|
1871 | |
---|
1872 | double |
---|
1873 | get_time_interval() |
---|
1874 | { |
---|
1875 | struct timeval time; |
---|
1876 | gettimeofday(&time, NULL); |
---|
1877 | double new_time = time.tv_sec*1000. + time.tv_usec/1000.; |
---|
1878 | |
---|
1879 | double interval = new_time - cur_time; |
---|
1880 | cur_time = new_time; |
---|
1881 | return interval; |
---|
1882 | } |
---|
1883 | #endif |
---|
1884 | |
---|
1885 | void removeAllData() |
---|
1886 | { |
---|
1887 | // |
---|
1888 | } |
---|
1889 | |
---|
1890 | |
---|
1891 | /*----------------------------------------------------*/ |
---|
1892 | int |
---|
1893 | main(int argc, char** argv) |
---|
1894 | { |
---|
1895 | char *path; |
---|
1896 | path = NULL; |
---|
1897 | while(1) { |
---|
1898 | int c; |
---|
1899 | int option_index = 0; |
---|
1900 | struct option long_options[] = { |
---|
1901 | // name, has_arg, flag, val |
---|
1902 | { 0,0,0,0 }, |
---|
1903 | }; |
---|
1904 | |
---|
1905 | c = getopt_long(argc, argv, "+p:", long_options, &option_index); |
---|
1906 | if (c == -1) { |
---|
1907 | break; |
---|
1908 | } |
---|
1909 | switch(c) { |
---|
1910 | case 'p': |
---|
1911 | path = optarg; |
---|
1912 | break; |
---|
1913 | default: |
---|
1914 | fprintf(stderr,"Don't know what option '%c'.\n", c); |
---|
1915 | return 1; |
---|
1916 | } |
---|
1917 | } |
---|
1918 | |
---|
1919 | R2FilePath::getInstance()->setWorkingDirectory(argc, (const char**) argv); |
---|
1920 | |
---|
1921 | #ifdef XINETD |
---|
1922 | signal(SIGPIPE,SIG_IGN); |
---|
1923 | NvInitService(); |
---|
1924 | #endif |
---|
1925 | |
---|
1926 | glutInit(&argc, argv); |
---|
1927 | glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA); |
---|
1928 | |
---|
1929 | glutInitWindowSize(NanoVis::win_width, NanoVis::win_height); |
---|
1930 | |
---|
1931 | glutInitWindowPosition(10, 10); |
---|
1932 | render_window = glutCreateWindow(argv[0]); |
---|
1933 | glutDisplayFunc(NanoVis::display); |
---|
1934 | |
---|
1935 | #ifndef XINETD |
---|
1936 | glutMouseFunc(NanoVis::mouse); |
---|
1937 | glutMotionFunc(NanoVis::motion); |
---|
1938 | glutKeyboardFunc(NanoVis::keyboard); |
---|
1939 | #endif |
---|
1940 | |
---|
1941 | glutIdleFunc(idle); |
---|
1942 | glutReshapeFunc(NanoVis::resize_offscreen_buffer); |
---|
1943 | |
---|
1944 | NanoVis::init(path); |
---|
1945 | NanoVis::initGL(); |
---|
1946 | initTcl(); |
---|
1947 | |
---|
1948 | #ifdef EVENTLOG |
---|
1949 | NvInitEventLog(); |
---|
1950 | #endif |
---|
1951 | //event loop |
---|
1952 | glutMainLoop(); |
---|
1953 | |
---|
1954 | removeAllData(); |
---|
1955 | |
---|
1956 | NvExit(); |
---|
1957 | |
---|
1958 | return 0; |
---|
1959 | } |
---|
1960 | |
---|