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 <fcntl.h> |
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19 | #include <fstream> |
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20 | #include <getopt.h> |
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21 | #include <iostream> |
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22 | #include <math.h> |
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23 | #include <memory.h> |
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24 | #include <signal.h> |
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25 | #include <sstream> |
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26 | #include <stdio.h> |
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27 | #include <stdlib.h> |
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28 | #include <string> |
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29 | #include <sys/resource.h> |
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30 | #include <sys/time.h> |
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31 | #include <sys/times.h> |
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32 | #include <sys/types.h> |
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33 | #include <time.h> |
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34 | #include <unistd.h> |
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35 | |
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36 | #include "Nv.h" |
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37 | #include "PointSetRenderer.h" |
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38 | #include "PointSet.h" |
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39 | #include "Util.h" |
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40 | #include <NvLIC.h> |
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41 | #include <Trace.h> |
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42 | |
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43 | #include "nanovis.h" |
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44 | #include "RpField1D.h" |
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45 | #include "RpFieldRect3D.h" |
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46 | #include "RpFieldPrism3D.h" |
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47 | #include "RpEncode.h" |
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48 | |
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49 | //transfer function headers |
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50 | #include "transfer-function/TransferFunctionMain.h" |
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51 | #include "transfer-function/ControlPoint.h" |
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52 | #include "transfer-function/TransferFunctionGLUTWindow.h" |
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53 | #include "transfer-function/ColorGradientGLUTWindow.h" |
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54 | #include "transfer-function/ColorPaletteWindow.h" |
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55 | #include "transfer-function/MainWindow.h" |
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56 | #include "ZincBlendeVolume.h" |
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57 | #include "NvLoadFile.h" |
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58 | #include "NvColorTableRenderer.h" |
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59 | #include "NvEventLog.h" |
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60 | #include "NvZincBlendeReconstructor.h" |
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61 | #include "HeightMap.h" |
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62 | #include "Grid.h" |
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63 | #include "VolumeInterpolator.h" |
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64 | #include <RenderContext.h> |
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65 | |
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66 | #include <BMPImageLoaderImpl.h> |
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67 | #include <ImageLoaderFactory.h> |
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68 | |
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69 | //#define _LOCAL_ZINC_TEST_ |
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70 | |
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71 | // R2 headers |
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72 | #include <R2/R2FilePath.h> |
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73 | #include <R2/R2Fonts.h> |
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74 | |
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75 | #define SIZEOF_BMP_HEADER 54 |
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76 | |
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77 | extern void NvInitCG(); // in Shader.cpp |
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78 | |
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79 | // Indicates "up" axis: x=1, y=2, z=3, -x=-1, -y=-2, -z=-3 |
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80 | enum AxisDirections { |
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81 | X_POS = 1, Y_POS = 2, Z_POS = 3, X_NEG = -1, Y_NEG = -2, Z_NEG = -3 |
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82 | }; |
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83 | |
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84 | #define STATSFILE "/var/tmp/visservers/data.xml" |
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85 | #define KEEPSTATS 1 |
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86 | |
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87 | #define CVT2SECS(x) ((double)(x).tv_sec) + ((double)(x).tv_usec * 1.0e-6) |
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88 | |
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89 | #define TRUE 1 |
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90 | #define FALSE 0 |
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91 | |
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92 | typedef struct { |
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93 | pid_t pid; |
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94 | size_t nFrames; /* # of frames sent to client. */ |
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95 | size_t nBytes; /* # of bytes for all frames. */ |
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96 | size_t nCommands; /* # of commands executed */ |
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97 | double cmdTime; /* Elasped time spend executing commands. */ |
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98 | struct timeval start; /* Start of elapsed time. */ |
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99 | } Stats; |
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100 | |
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101 | static Stats stats; |
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102 | |
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103 | // STATIC MEMBER DATA |
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104 | Grid *NanoVis::grid = NULL; |
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105 | int NanoVis::updir = Y_POS; |
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106 | NvCamera* NanoVis::cam = NULL; |
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107 | bool NanoVis::axis_on = true; |
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108 | //bool NanoVis::axis_on = false; |
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109 | int NanoVis::win_width = NPIX; //size of the render window |
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110 | int NanoVis::win_height = NPIX; //size of the render window |
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111 | int NanoVis::n_volumes = 0; |
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112 | unsigned char* NanoVis::screen_buffer = NULL; |
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113 | vector<HeightMap*> NanoVis::heightMap; |
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114 | VolumeRenderer* NanoVis::vol_renderer = 0; |
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115 | PointSetRenderer* NanoVis::pointset_renderer = 0; |
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116 | vector<PointSet*> NanoVis::pointSet; |
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117 | PlaneRenderer* NanoVis::plane_render = 0; |
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118 | Texture2D* NanoVis::plane[10]; |
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119 | NvColorTableRenderer* NanoVis::color_table_renderer = 0; |
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120 | NvParticleRenderer* NanoVis::particleRenderer = 0; |
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121 | graphics::RenderContext* NanoVis::renderContext = 0; |
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122 | NvLIC* NanoVis::licRenderer = 0; |
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123 | |
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124 | FILE *NanoVis::stdin = NULL; |
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125 | FILE *NanoVis::logfile = NULL; |
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126 | |
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127 | bool NanoVis::lic_on = false; |
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128 | bool NanoVis::particle_on = false; |
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129 | bool NanoVis::vector_on = false; |
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130 | bool NanoVis::config_pending = false; |
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131 | |
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132 | Tcl_Interp *NanoVis::interp; |
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133 | Tcl_DString NanoVis::cmdbuffer; |
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134 | |
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135 | //frame buffer for final rendering |
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136 | NVISid NanoVis::final_fbo; |
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137 | NVISid NanoVis::final_color_tex; |
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138 | NVISid NanoVis::final_depth_rb; |
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139 | |
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140 | // pointers to volumes, currently handle up to 10 volumes |
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141 | /*FIXME: Is the above comment true? Is there a 10 volume limit */ |
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142 | vector<Volume*> NanoVis::volume; |
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143 | |
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144 | //if true nanovis renders volumes in 3D, if not renders 2D plane |
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145 | /* FIXME: This variable is always true. */ |
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146 | bool volume_mode = true; |
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147 | |
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148 | // color table for built-in transfer function editor |
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149 | float color_table[256][4]; |
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150 | |
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151 | int debug_flag = false; |
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152 | /* |
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153 | #ifdef XINETD |
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154 | FILE* xinetd_log; |
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155 | #endif |
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156 | |
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157 | FILE* event_log; |
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158 | //log |
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159 | void init_event_log(); |
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160 | void end_event_log(); |
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161 | double cur_time; //in seconds |
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162 | double get_time_interval(); |
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163 | */ |
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164 | |
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165 | int render_window; //the handle of the render window; |
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166 | |
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167 | // in Command.cpp |
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168 | extern Tcl_Interp *initTcl(); |
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169 | |
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170 | //ParticleSystem* psys; |
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171 | //float psys_x=0.4, psys_y=0, psys_z=0; |
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172 | |
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173 | //static Lic* lic; |
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174 | |
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175 | |
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176 | //bool advect=false; |
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177 | float vert[NMESH*NMESH*3]; //particle positions in main memory |
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178 | float slice_vector[NMESH*NMESH*4]; //per slice vectors in main memory |
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179 | |
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180 | // maps transfunc name to TransferFunction object |
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181 | static Tcl_HashTable tftable; |
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182 | |
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183 | // pointers to 2D planes, currently handle up 10 |
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184 | |
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185 | |
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186 | PerfQuery* perf; //perfromance counter |
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187 | |
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188 | CGprogram m_passthru_fprog; |
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189 | CGparameter m_passthru_scale_param, m_passthru_bias_param; |
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190 | |
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191 | R2Fonts* NanoVis::fonts; |
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192 | |
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193 | // Variables for mouse events |
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194 | |
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195 | // Object rotation angles |
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196 | static float live_rot_x = 90.; |
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197 | static float live_rot_y = 180.; |
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198 | static float live_rot_z = -135; |
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199 | |
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200 | // Object translation location from the origin |
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201 | static float live_obj_x = -0.0; |
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202 | static float live_obj_y = -0.0; |
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203 | static float live_obj_z = -2.5; |
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204 | |
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205 | |
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206 | #ifndef XINETD |
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207 | // Last locations mouse events |
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208 | static int left_last_x; |
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209 | static int left_last_y; |
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210 | static int right_last_x; |
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211 | static int right_last_y; |
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212 | static bool left_down = false; |
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213 | static bool right_down = false; |
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214 | #endif /*XINETD*/ |
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215 | |
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216 | // Image based flow visualization slice location |
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217 | // FLOW |
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218 | float NanoVis::lic_slice_x = 1.0f; |
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219 | float NanoVis::lic_slice_y = 0.0f; |
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220 | float NanoVis::lic_slice_z = 0.5f; |
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221 | int NanoVis::lic_axis = 2; |
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222 | |
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223 | /* |
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224 | CGprogram m_copy_texcoord_fprog; |
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225 | CGprogram m_one_volume_fprog; |
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226 | CGparameter m_vol_one_volume_param; |
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227 | CGparameter m_tf_one_volume_param; |
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228 | CGparameter m_mvi_one_volume_param; |
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229 | CGparameter m_mv_one_volume_param; |
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230 | CGparameter m_render_param_one_volume_param; |
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231 | */ |
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232 | |
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233 | /* |
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234 | CGprogram m_vert_std_vprog; |
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235 | CGparameter m_mvp_vert_std_param; |
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236 | CGparameter m_mvi_vert_std_param; |
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237 | */ |
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238 | |
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239 | using namespace std; |
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240 | |
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241 | #define RM_VOLUME 1 |
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242 | #define RM_POINT 2 |
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243 | |
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244 | int renderMode = RM_VOLUME; |
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245 | |
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246 | /* |
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247 | * ---------------------------------------------------------------------- |
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248 | * USAGE: debug("string", ...) |
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249 | * |
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250 | * Use this anywhere within the package to send a debug message |
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251 | * back to the client. The string can have % fields as used by |
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252 | * the printf() package. Any remaining arguments are treated as |
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253 | * field substitutions on that. |
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254 | * ---------------------------------------------------------------------- |
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255 | */ |
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256 | void |
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257 | debug(char *str) |
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258 | { |
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259 | write(0, str, strlen(str)); |
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260 | } |
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261 | |
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262 | void |
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263 | debug(char *str, double v1) |
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264 | { |
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265 | char buffer[512]; |
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266 | sprintf(buffer, str, v1); |
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267 | write(0, buffer, strlen(buffer)); |
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268 | } |
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269 | |
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270 | void |
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271 | debug(char *str, double v1, double v2) |
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272 | { |
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273 | char buffer[512]; |
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274 | sprintf(buffer, str, v1, v2); |
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275 | write(0, buffer, strlen(buffer)); |
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276 | } |
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277 | |
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278 | void |
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279 | debug(char *str, double v1, double v2, double v3) |
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280 | { |
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281 | char buffer[512]; |
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282 | sprintf(buffer, str, v1, v2, v3); |
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283 | write(0, buffer, strlen(buffer)); |
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284 | } |
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285 | |
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286 | void removeAllData() |
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287 | { |
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288 | // |
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289 | } |
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290 | |
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291 | |
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292 | #ifdef KEEPSTATS |
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293 | |
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294 | static int |
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295 | WriteStats(const char *who, int code) |
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296 | { |
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297 | double start, finish; |
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298 | pid_t pid; |
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299 | char buf[BUFSIZ]; |
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300 | Tcl_DString ds; |
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301 | |
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302 | { |
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303 | struct timeval tv; |
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304 | |
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305 | /* Get ending time. */ |
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306 | gettimeofday(&tv, NULL); |
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307 | finish = CVT2SECS(tv); |
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308 | tv = stats.start; |
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309 | start = CVT2SECS(tv); |
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310 | } |
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311 | /* |
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312 | * Session information: |
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313 | * 1. Start date of session in seconds. |
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314 | * 2. Process ID |
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315 | * 3. Number of frames returned. |
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316 | * 4. Number of bytes total returned (in frames). |
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317 | * 5. Total elapsed time of all commands. |
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318 | * 6. Total elapsed time of session. |
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319 | * 7. Exit code of pymol server. |
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320 | * 8. User time. |
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321 | * 9. System time. |
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322 | * 10. Maximum resident size. |
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323 | */ |
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324 | pid = getpid(); |
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325 | Tcl_DStringInit(&ds); |
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326 | |
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327 | sprintf(buf, "<session server=\"%s\" ", who); |
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328 | Tcl_DStringAppend(&ds, buf, -1); |
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329 | |
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330 | strcpy(buf, ctime(&stats.start.tv_sec)); |
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331 | |
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332 | buf[strlen(buf) - 1] = '\0'; |
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333 | Tcl_DStringAppend(&ds, "date=\"", -1); |
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334 | Tcl_DStringAppend(&ds, buf, -1); |
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335 | Tcl_DStringAppend(&ds, "\" ", -1); |
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336 | |
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337 | sprintf(buf, "date_secs=\"%ld\" ", stats.start.tv_sec); |
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338 | Tcl_DStringAppend(&ds, buf, -1); |
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339 | |
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340 | sprintf(buf, "pid=\"%d\" ", pid); |
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341 | Tcl_DStringAppend(&ds, buf, -1); |
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342 | sprintf(buf, "num_frames=\"%lu\" ", (unsigned long int)stats.nFrames); |
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343 | Tcl_DStringAppend(&ds, buf, -1); |
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344 | sprintf(buf, "frame_bytes=\"%lu\" ", (unsigned long int)stats.nBytes); |
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345 | Tcl_DStringAppend(&ds, buf, -1); |
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346 | sprintf(buf, "num_commands=\"%lu\" ", (unsigned long int)stats.nCommands); |
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347 | Tcl_DStringAppend(&ds, buf, -1); |
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348 | sprintf(buf, "cmd_time=\"%g\" ", stats.cmdTime); |
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349 | Tcl_DStringAppend(&ds, buf, -1); |
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350 | sprintf(buf, "session_time=\"%g\" ", finish - start); |
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351 | Tcl_DStringAppend(&ds, buf, -1); |
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352 | sprintf(buf, "status=\"%d\" ", code); |
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353 | Tcl_DStringAppend(&ds, buf, -1); |
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354 | { |
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355 | long clocksPerSec = sysconf(_SC_CLK_TCK); |
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356 | double clockRes = 1.0 / clocksPerSec; |
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357 | struct tms tms; |
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358 | |
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359 | memset(&tms, 0, sizeof(tms)); |
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360 | times(&tms); |
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361 | sprintf(buf, "utime=\"%g\" ", tms.tms_utime * clockRes); |
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362 | Tcl_DStringAppend(&ds, buf, -1); |
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363 | sprintf(buf, "stime=\"%g\" ", tms.tms_stime * clockRes); |
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364 | Tcl_DStringAppend(&ds, buf, -1); |
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365 | sprintf(buf, "cutime=\"%g\" ", tms.tms_cutime * clockRes); |
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366 | Tcl_DStringAppend(&ds, buf, -1); |
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367 | sprintf(buf, "cstime=\"%g\" ", tms.tms_cstime * clockRes); |
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368 | Tcl_DStringAppend(&ds, buf, -1); |
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369 | } |
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370 | Tcl_DStringAppend(&ds, "/>\n", -1); |
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371 | |
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372 | { |
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373 | int f; |
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374 | ssize_t length; |
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375 | int result; |
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376 | |
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377 | length = Tcl_DStringLength(&ds); |
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378 | f = open(STATSFILE, O_APPEND | O_CREAT | O_WRONLY, 0600); |
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379 | result = FALSE; |
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380 | if (f < 0) { |
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381 | goto error; |
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382 | } |
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383 | if (write(f, Tcl_DStringValue(&ds), length) != length) { |
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384 | goto error; |
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385 | } |
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386 | result = TRUE; |
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387 | error: |
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388 | if (f >= 0) { |
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389 | close(f); |
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390 | } |
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391 | Tcl_DStringFree(&ds); |
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392 | return result; |
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393 | } |
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394 | } |
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395 | #endif |
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396 | |
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397 | static void |
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398 | DoExit(int code) |
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399 | { |
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400 | removeAllData(); |
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401 | NvExit(); |
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402 | #ifdef KEEPSTATS |
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403 | WriteStats("nanovis", code); |
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404 | #endif |
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405 | exit(code); |
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406 | } |
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407 | |
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408 | //report errors related to CG shaders |
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409 | void |
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410 | cgErrorCallback(void) |
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411 | { |
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412 | CGerror lastError = cgGetError(); |
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413 | if(lastError) { |
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414 | const char *listing = cgGetLastListing(g_context); |
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415 | Trace("\n---------------------------------------------------\n"); |
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416 | Trace("%s\n\n", cgGetErrorString(lastError)); |
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417 | Trace("%s\n", listing); |
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418 | Trace("-----------------------------------------------------\n"); |
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419 | Trace("Cg error, exiting...\n"); |
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420 | cgDestroyContext(g_context); |
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421 | DoExit(-1); |
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422 | } |
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423 | } |
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424 | |
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425 | |
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426 | CGprogram |
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427 | LoadCgSourceProgram(CGcontext context, const char *fileName, CGprofile profile, |
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428 | const char *entryPoint) |
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429 | { |
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430 | const char *path = R2FilePath::getInstance()->getPath(fileName); |
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431 | if (path == NULL) { |
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432 | fprintf(stderr, "can't find program \"%s\"\n", fileName); |
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433 | assert(path != NULL); |
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434 | } |
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435 | CGprogram program; |
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436 | program = cgCreateProgramFromFile(context, CG_SOURCE, path, profile, |
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437 | entryPoint, NULL); |
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438 | delete [] path; |
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439 | cgGLLoadProgram(program); |
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440 | return program; |
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441 | } |
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442 | |
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443 | static int |
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444 | ExecuteCommand(Tcl_Interp *interp, Tcl_DString *dsPtr) |
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445 | { |
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446 | struct timeval tv; |
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447 | double start, finish; |
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448 | int result; |
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449 | |
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450 | gettimeofday(&tv, NULL); |
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451 | start = CVT2SECS(tv); |
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452 | |
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453 | if (debug_flag) { |
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454 | fprintf(NanoVis::logfile, "%s\n", Tcl_DStringValue(dsPtr)); |
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455 | } |
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456 | result = Tcl_Eval(interp, Tcl_DStringValue(dsPtr)); |
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457 | Tcl_DStringSetLength(dsPtr, 0); |
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458 | |
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459 | gettimeofday(&tv, NULL); |
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460 | finish = CVT2SECS(tv); |
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461 | |
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462 | stats.cmdTime += finish - start; |
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463 | stats.nCommands++; |
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464 | return result; |
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465 | } |
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466 | |
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467 | /* Load a 3D volume |
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468 | * index: the index into the volume array, which stores pointers to 3D volume instances |
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469 | * data: pointer to an array of floats. |
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470 | * n_component: the number of scalars for each space point. |
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471 | * All component scalars for a point are placed consequtively in data array |
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472 | * width, height and depth: number of points in each dimension |
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473 | */ |
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474 | Volume * |
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475 | NanoVis::load_volume(int index, int width, int height, int depth, |
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476 | int n_component, float* data, double vmin, |
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477 | double vmax, double nzero_min) |
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478 | { |
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479 | while (n_volumes <= index) { |
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480 | volume.push_back(NULL); |
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481 | n_volumes++; |
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482 | } |
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483 | |
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484 | Volume* vol = volume[index]; |
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485 | if (vol != NULL) { |
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486 | volume[index] = NULL; |
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487 | |
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488 | if (vol->pointsetIndex != -1) { |
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489 | if (((unsigned int) vol->pointsetIndex) < pointSet.size() && |
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490 | pointSet[vol->pointsetIndex] != NULL) { |
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491 | delete pointSet[vol->pointsetIndex]; |
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492 | pointSet[vol->pointsetIndex] = 0; |
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493 | } |
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494 | } |
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495 | delete vol; |
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496 | } |
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497 | volume[index] = new Volume(0.f, 0.f, 0.f, width, height, depth, 1., |
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498 | n_component, data, vmin, vmax, nzero_min); |
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499 | return volume[index]; |
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500 | } |
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501 | |
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502 | // Gets a colormap 1D texture by name. |
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503 | TransferFunction* |
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504 | NanoVis::get_transfunc(const char *name) |
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505 | { |
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506 | Tcl_HashEntry *hPtr; |
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507 | |
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508 | hPtr = Tcl_FindHashEntry(&tftable, name); |
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509 | if (hPtr == NULL) { |
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510 | return NULL; |
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511 | } |
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512 | return (TransferFunction*)Tcl_GetHashValue(hPtr); |
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513 | } |
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514 | |
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515 | // Creates of updates a colormap 1D texture by name. |
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516 | TransferFunction* |
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517 | NanoVis::DefineTransferFunction(const char *name, size_t n, float *data) |
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518 | { |
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519 | int isNew; |
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520 | Tcl_HashEntry *hPtr; |
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521 | TransferFunction *tf; |
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522 | |
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523 | hPtr = Tcl_CreateHashEntry(&tftable, name, &isNew); |
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524 | if (isNew) { |
---|
525 | tf = new TransferFunction(n, data); |
---|
526 | Tcl_SetHashValue(hPtr, (ClientData)tf); |
---|
527 | } else { |
---|
528 | /* |
---|
529 | * You can't delete the transfer function because many |
---|
530 | * objects may be holding its pointer. We must update it. |
---|
531 | */ |
---|
532 | tf = (TransferFunction *)Tcl_GetHashValue(hPtr); |
---|
533 | tf->update(n, data); |
---|
534 | } |
---|
535 | return tf; |
---|
536 | } |
---|
537 | |
---|
538 | void |
---|
539 | NanoVis::zoom(double zoom) |
---|
540 | { |
---|
541 | live_obj_z = -2.5 / zoom; |
---|
542 | cam->move(live_obj_x, live_obj_y, live_obj_z); |
---|
543 | } |
---|
544 | |
---|
545 | //Update the transfer function using local GUI in the non-server mode |
---|
546 | void |
---|
547 | update_tf_texture() |
---|
548 | { |
---|
549 | glutSetWindow(render_window); |
---|
550 | |
---|
551 | //fprintf(stderr, "tf update\n"); |
---|
552 | TransferFunction *tf = NanoVis::get_transfunc("default"); |
---|
553 | if (tf == NULL) { |
---|
554 | return; |
---|
555 | } |
---|
556 | |
---|
557 | float data[256*4]; |
---|
558 | for(int i=0; i<256; i++) { |
---|
559 | data[4*i+0] = color_table[i][0]; |
---|
560 | data[4*i+1] = color_table[i][1]; |
---|
561 | data[4*i+2] = color_table[i][2]; |
---|
562 | data[4*i+3] = color_table[i][3]; |
---|
563 | //fprintf(stderr, "(%f,%f,%f,%f) ", data[4*i+0], data[4*i+1], data[4*i+2], data[4*i+3]); |
---|
564 | } |
---|
565 | |
---|
566 | tf->update(data); |
---|
567 | |
---|
568 | #ifdef EVENTLOG |
---|
569 | float param[3] = {0,0,0}; |
---|
570 | Event* tmp = new Event(EVENT_ROTATE, param, NvGetTimeInterval()); |
---|
571 | tmp->write(event_log); |
---|
572 | delete tmp; |
---|
573 | #endif |
---|
574 | } |
---|
575 | |
---|
576 | int |
---|
577 | NanoVis::render_legend( |
---|
578 | TransferFunction *tf, |
---|
579 | double min, double max, |
---|
580 | int width, int height, |
---|
581 | const char* volArg) |
---|
582 | { |
---|
583 | int old_width = win_width; |
---|
584 | int old_height = win_height; |
---|
585 | |
---|
586 | plane_render->set_screen_size(width, height); |
---|
587 | resize_offscreen_buffer(width, height); |
---|
588 | |
---|
589 | // generate data for the legend |
---|
590 | float data[512]; |
---|
591 | for (int i=0; i < 256; i++) { |
---|
592 | data[i] = data[i+256] = (float)(i/255.0); |
---|
593 | } |
---|
594 | plane[0] = new Texture2D(256, 2, GL_FLOAT, GL_LINEAR, 1, data); |
---|
595 | int index = plane_render->add_plane(plane[0], tf); |
---|
596 | plane_render->set_active_plane(index); |
---|
597 | |
---|
598 | offscreen_buffer_capture(); |
---|
599 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear screen |
---|
600 | plane_render->render(); |
---|
601 | |
---|
602 | // INSOO |
---|
603 | glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, screen_buffer); |
---|
604 | //glReadPixels(0, 0, width, height, GL_BGR, GL_UNSIGNED_BYTE, screen_buffer); // INSOO's |
---|
605 | |
---|
606 | char prefix[200]; |
---|
607 | sprintf(prefix, "nv>legend %s %g %g", volArg, min, max); |
---|
608 | ppm_write(prefix); |
---|
609 | write(0, "\n", 1); |
---|
610 | |
---|
611 | plane_render->remove_plane(index); |
---|
612 | resize_offscreen_buffer(old_width, old_height); |
---|
613 | |
---|
614 | return TCL_OK; |
---|
615 | } |
---|
616 | |
---|
617 | //initialize frame buffer objects for offscreen rendering |
---|
618 | void |
---|
619 | NanoVis::init_offscreen_buffer() |
---|
620 | { |
---|
621 | //initialize final fbo for final display |
---|
622 | glGenFramebuffersEXT(1, &final_fbo); |
---|
623 | glGenTextures(1, &final_color_tex); |
---|
624 | glGenRenderbuffersEXT(1, &final_depth_rb); |
---|
625 | |
---|
626 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, final_fbo); |
---|
627 | |
---|
628 | //initialize final color texture |
---|
629 | glBindTexture(GL_TEXTURE_2D, final_color_tex); |
---|
630 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
---|
631 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
---|
632 | #ifdef NV40 |
---|
633 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, win_width, win_height, 0, |
---|
634 | GL_RGB, GL_INT, NULL); |
---|
635 | #else |
---|
636 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, win_width, win_height, 0, |
---|
637 | GL_RGB, GL_INT, NULL); |
---|
638 | #endif |
---|
639 | glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, |
---|
640 | GL_COLOR_ATTACHMENT0_EXT, |
---|
641 | GL_TEXTURE_2D, final_color_tex, 0); |
---|
642 | |
---|
643 | // initialize final depth renderbuffer |
---|
644 | glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, final_depth_rb); |
---|
645 | glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, |
---|
646 | GL_DEPTH_COMPONENT24, win_width, win_height); |
---|
647 | glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, |
---|
648 | GL_DEPTH_ATTACHMENT_EXT, |
---|
649 | GL_RENDERBUFFER_EXT, final_depth_rb); |
---|
650 | |
---|
651 | // Check framebuffer completeness at the end of initialization. |
---|
652 | CHECK_FRAMEBUFFER_STATUS(); |
---|
653 | |
---|
654 | //assert(glGetError()==0); |
---|
655 | } |
---|
656 | |
---|
657 | |
---|
658 | //resize the offscreen buffer |
---|
659 | void |
---|
660 | NanoVis::resize_offscreen_buffer(int w, int h) |
---|
661 | { |
---|
662 | win_width = w; |
---|
663 | win_height = h; |
---|
664 | |
---|
665 | if (fonts) { |
---|
666 | fonts->resize(w, h); |
---|
667 | } |
---|
668 | |
---|
669 | //fprintf(stderr, "screen_buffer size: %d\n", sizeof(screen_buffer)); |
---|
670 | printf("screen_buffer size: %d %d\n", w, h); |
---|
671 | |
---|
672 | if (screen_buffer) { |
---|
673 | delete[] screen_buffer; |
---|
674 | screen_buffer = NULL; |
---|
675 | } |
---|
676 | |
---|
677 | screen_buffer = new unsigned char[4*win_width*win_height]; |
---|
678 | assert(screen_buffer != NULL); |
---|
679 | |
---|
680 | //delete the current render buffer resources |
---|
681 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, final_fbo); |
---|
682 | glDeleteTextures(1, &final_color_tex); |
---|
683 | glDeleteFramebuffersEXT(1, &final_fbo); |
---|
684 | |
---|
685 | glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, final_depth_rb); |
---|
686 | glDeleteRenderbuffersEXT(1, &final_depth_rb); |
---|
687 | |
---|
688 | //change the camera setting |
---|
689 | cam->set_screen_size(0, 0, win_width, win_height); |
---|
690 | plane_render->set_screen_size(win_width, win_height); |
---|
691 | |
---|
692 | //Reinitialize final fbo for final display |
---|
693 | glGenFramebuffersEXT(1, &final_fbo); |
---|
694 | glGenTextures(1, &final_color_tex); |
---|
695 | glGenRenderbuffersEXT(1, &final_depth_rb); |
---|
696 | |
---|
697 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, final_fbo); |
---|
698 | |
---|
699 | //initialize final color texture |
---|
700 | glBindTexture(GL_TEXTURE_2D, final_color_tex); |
---|
701 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
---|
702 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
---|
703 | #ifdef NV40 |
---|
704 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, win_width, win_height, 0, |
---|
705 | GL_RGB, GL_INT, NULL); |
---|
706 | #else |
---|
707 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, win_width, win_height, 0, |
---|
708 | GL_RGB, GL_INT, NULL); |
---|
709 | #endif |
---|
710 | glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, |
---|
711 | GL_COLOR_ATTACHMENT0_EXT, |
---|
712 | GL_TEXTURE_2D, final_color_tex, 0); |
---|
713 | |
---|
714 | // initialize final depth renderbuffer |
---|
715 | glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, final_depth_rb); |
---|
716 | glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, |
---|
717 | GL_DEPTH_COMPONENT24, win_width, win_height); |
---|
718 | glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, |
---|
719 | GL_DEPTH_ATTACHMENT_EXT, |
---|
720 | GL_RENDERBUFFER_EXT, final_depth_rb); |
---|
721 | |
---|
722 | // Check framebuffer completeness at the end of initialization. |
---|
723 | CHECK_FRAMEBUFFER_STATUS(); |
---|
724 | //assert(glGetError()==0); |
---|
725 | } |
---|
726 | |
---|
727 | /* |
---|
728 | * FIXME: This routine is fairly expensive (60000 floating pt divides). |
---|
729 | * I've put an ifdef around the call to it so that the released |
---|
730 | * builds don't include it. Define PROTOTYPE to 1 in config.h |
---|
731 | * to turn it back on. |
---|
732 | */ |
---|
733 | void |
---|
734 | make_test_2D_data() |
---|
735 | { |
---|
736 | int w = 300; |
---|
737 | int h = 200; |
---|
738 | float* data = new float[w*h]; |
---|
739 | |
---|
740 | //procedurally make a gradient plane |
---|
741 | for(int j=0; j<h; j++){ |
---|
742 | for(int i=0; i<w; i++){ |
---|
743 | data[w*j+i] = float(i)/float(w); |
---|
744 | } |
---|
745 | } |
---|
746 | NanoVis::plane[0] = new Texture2D(w, h, GL_FLOAT, GL_LINEAR, 1, data); |
---|
747 | delete[] data; |
---|
748 | } |
---|
749 | |
---|
750 | void NanoVis::initParticle() |
---|
751 | { |
---|
752 | //random placement on a slice |
---|
753 | float* data = new float[particleRenderer->psys_width * particleRenderer->psys_height * 4]; |
---|
754 | bzero(data, sizeof(float)*4* particleRenderer->psys_width * particleRenderer->psys_height); |
---|
755 | |
---|
756 | int index; |
---|
757 | //bool particle; |
---|
758 | for (int i=0; i<particleRenderer->psys_width; i++) { |
---|
759 | for (int j=0; j<particleRenderer->psys_height; j++) { |
---|
760 | index = i + particleRenderer->psys_height*j; |
---|
761 | //particle = rand() % 256 > 150; |
---|
762 | //if(particle) |
---|
763 | { |
---|
764 | //assign any location (x,y,z) in range [0,1] |
---|
765 | // TEMP |
---|
766 | data[4*index] = lic_slice_x; |
---|
767 | data[4*index+1]= j/float(particleRenderer->psys_height); |
---|
768 | data[4*index+2]= i/float(particleRenderer->psys_width); |
---|
769 | data[4*index+3]= 30; //shorter life span, quicker iterations |
---|
770 | //data[4*index+3]= 1.0f; //shorter life span, quicker iterations |
---|
771 | } |
---|
772 | /* |
---|
773 | else |
---|
774 | { |
---|
775 | data[4*index] = 0; |
---|
776 | data[4*index+1]= 0; |
---|
777 | data[4*index+2]= 0; |
---|
778 | data[4*index+3]= 0; |
---|
779 | } |
---|
780 | */ |
---|
781 | } |
---|
782 | } |
---|
783 | |
---|
784 | particleRenderer->initialize((Particle*)data); |
---|
785 | |
---|
786 | delete[] data; |
---|
787 | } |
---|
788 | |
---|
789 | void CgErrorCallback(void) |
---|
790 | { |
---|
791 | CGerror lastError = cgGetError(); |
---|
792 | |
---|
793 | if(lastError) { |
---|
794 | const char *listing = cgGetLastListing(g_context); |
---|
795 | printf("\n---------------------------------------------------\n"); |
---|
796 | printf("%s\n\n", cgGetErrorString(lastError)); |
---|
797 | printf("%s\n", listing); |
---|
798 | printf("-----------------------------------------------------\n"); |
---|
799 | printf("Cg error, exiting...\n"); |
---|
800 | cgDestroyContext(g_context); |
---|
801 | fflush(stdout); |
---|
802 | DoExit(-1); |
---|
803 | } |
---|
804 | } |
---|
805 | |
---|
806 | void NanoVis::init(const char* path) |
---|
807 | { |
---|
808 | // print system information |
---|
809 | fprintf(stderr, "-----------------------------------------------------------\n"); |
---|
810 | fprintf(stderr, "OpenGL driver: %s %s\n", glGetString(GL_VENDOR), glGetString(GL_VERSION)); |
---|
811 | fprintf(stderr, "Graphics hardware: %s\n", glGetString(GL_RENDERER)); |
---|
812 | fprintf(stderr, "-----------------------------------------------------------\n"); |
---|
813 | if (path == NULL) { |
---|
814 | fprintf(stderr, "no path defined for shaders or resources\n"); |
---|
815 | fflush(stderr); |
---|
816 | DoExit(-1); |
---|
817 | } |
---|
818 | // init GLEW |
---|
819 | GLenum err = glewInit(); |
---|
820 | if (GLEW_OK != err) { |
---|
821 | //glew init failed, exit. |
---|
822 | fprintf(stderr, "Error: %s\n", glewGetErrorString(err)); |
---|
823 | getchar(); |
---|
824 | //assert(false); |
---|
825 | } |
---|
826 | fprintf(stdout, "Status: Using GLEW %s\n", glewGetString(GLEW_VERSION)); |
---|
827 | |
---|
828 | if (!R2FilePath::getInstance()->setPath(path)) { |
---|
829 | fprintf(stderr, "can't set file path to %s\n", path); |
---|
830 | fflush(stderr); |
---|
831 | DoExit(1); |
---|
832 | } |
---|
833 | |
---|
834 | NvInitCG(); |
---|
835 | NvShader::setErrorCallback(CgErrorCallback); |
---|
836 | |
---|
837 | fonts = new R2Fonts(); |
---|
838 | fonts->addFont("verdana", "verdana.fnt"); |
---|
839 | fonts->setFont("verdana"); |
---|
840 | |
---|
841 | color_table_renderer = new NvColorTableRenderer(); |
---|
842 | color_table_renderer->setFonts(fonts); |
---|
843 | |
---|
844 | particleRenderer = new NvParticleRenderer(NMESH, NMESH, g_context); |
---|
845 | |
---|
846 | #if PROTOTYPE |
---|
847 | licRenderer = new NvLIC(NMESH, NPIX, NPIX, 0.5, g_context); |
---|
848 | #endif |
---|
849 | |
---|
850 | ImageLoaderFactory::getInstance()->addLoaderImpl("bmp", new BMPImageLoaderImpl()); |
---|
851 | grid = new Grid(); |
---|
852 | grid->setFont(fonts); |
---|
853 | |
---|
854 | pointset_renderer = new PointSetRenderer(); |
---|
855 | } |
---|
856 | |
---|
857 | /*----------------------------------------------------*/ |
---|
858 | void |
---|
859 | NanoVis::initGL(void) |
---|
860 | { |
---|
861 | //buffer to store data read from the screen |
---|
862 | if (screen_buffer) { |
---|
863 | delete[] screen_buffer; |
---|
864 | screen_buffer = NULL; |
---|
865 | } |
---|
866 | screen_buffer = new unsigned char[4*win_width*win_height]; |
---|
867 | assert(screen_buffer != NULL); |
---|
868 | |
---|
869 | //create the camera with default setting |
---|
870 | cam = new NvCamera(0, 0, win_width, win_height, |
---|
871 | live_obj_x, live_obj_y, live_obj_z, |
---|
872 | 0., 0., 100., |
---|
873 | (int)live_rot_x, (int)live_rot_y, (int)live_rot_z); |
---|
874 | |
---|
875 | glEnable(GL_TEXTURE_2D); |
---|
876 | glShadeModel(GL_FLAT); |
---|
877 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
---|
878 | |
---|
879 | glClearColor(0,0,0,1); |
---|
880 | glClear(GL_COLOR_BUFFER_BIT); |
---|
881 | |
---|
882 | //initialize lighting |
---|
883 | GLfloat mat_specular[] = {1.0, 1.0, 1.0, 1.0}; |
---|
884 | GLfloat mat_shininess[] = {30.0}; |
---|
885 | GLfloat white_light[] = {1.0, 1.0, 1.0, 1.0}; |
---|
886 | GLfloat green_light[] = {0.1, 0.5, 0.1, 1.0}; |
---|
887 | |
---|
888 | glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular); |
---|
889 | glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess); |
---|
890 | glLightfv(GL_LIGHT0, GL_DIFFUSE, white_light); |
---|
891 | glLightfv(GL_LIGHT0, GL_SPECULAR, white_light); |
---|
892 | glLightfv(GL_LIGHT1, GL_DIFFUSE, green_light); |
---|
893 | glLightfv(GL_LIGHT1, GL_SPECULAR, white_light); |
---|
894 | |
---|
895 | // init table of transfer functions |
---|
896 | Tcl_InitHashTable(&tftable, TCL_STRING_KEYS); |
---|
897 | |
---|
898 | //check if performance query is supported |
---|
899 | if(check_query_support()){ |
---|
900 | //create queries to count number of rendered pixels |
---|
901 | perf = new PerfQuery(); |
---|
902 | } |
---|
903 | |
---|
904 | init_offscreen_buffer(); //frame buffer object for offscreen rendering |
---|
905 | |
---|
906 | //create volume renderer and add volumes to it |
---|
907 | vol_renderer = new VolumeRenderer(); |
---|
908 | |
---|
909 | |
---|
910 | // create |
---|
911 | renderContext = new graphics::RenderContext(); |
---|
912 | |
---|
913 | #ifdef notdef |
---|
914 | //I added this to debug : Wei |
---|
915 | float tmp_data[4*124]; |
---|
916 | memset(tmp_data, 0, 4*4*124); |
---|
917 | TransferFunction* tmp_tf = new TransferFunction(124, tmp_data); |
---|
918 | vol_renderer->add_volume(volume[0], tmp_tf); |
---|
919 | volume[0]->get_cutplane(0)->enabled = false; |
---|
920 | volume[0]->get_cutplane(1)->enabled = false; |
---|
921 | volume[0]->get_cutplane(2)->enabled = false; |
---|
922 | |
---|
923 | //volume[1]->move(Vector3(0.5, 0.6, 0.7)); |
---|
924 | //vol_renderer->add_volume(volume[1], tmp_tf); |
---|
925 | #endif |
---|
926 | |
---|
927 | //create an 2D plane renderer |
---|
928 | plane_render = new PlaneRenderer(g_context, win_width, win_height); |
---|
929 | #if PROTOTYPE |
---|
930 | make_test_2D_data(); |
---|
931 | #endif /* PROTOTYPE */ |
---|
932 | plane_render->add_plane(plane[0], get_transfunc("default")); |
---|
933 | |
---|
934 | //assert(glGetError()==0); |
---|
935 | |
---|
936 | #ifdef notdef |
---|
937 | init_particle_system(); |
---|
938 | NanoVis::init_lic(); |
---|
939 | #endif |
---|
940 | } |
---|
941 | |
---|
942 | #if DO_RLE |
---|
943 | char rle[512*512*3]; |
---|
944 | int rle_size; |
---|
945 | |
---|
946 | short offsets[512*512*3]; |
---|
947 | int offsets_size; |
---|
948 | |
---|
949 | void |
---|
950 | do_rle() |
---|
951 | { |
---|
952 | int len = NanoVis::win_width*NanoVis::win_height*3; |
---|
953 | rle_size = 0; |
---|
954 | offsets_size = 0; |
---|
955 | |
---|
956 | int i=0; |
---|
957 | while(i<len){ |
---|
958 | if (NanoVis::screen_buffer[i] == 0) { |
---|
959 | int pos = i+1; |
---|
960 | while ( (pos<len) && (NanoVis::screen_buffer[pos] == 0)) { |
---|
961 | pos++; |
---|
962 | } |
---|
963 | offsets[offsets_size++] = -(pos - i); |
---|
964 | i = pos; |
---|
965 | } |
---|
966 | |
---|
967 | else { |
---|
968 | int pos; |
---|
969 | for (pos = i; (pos<len) && (NanoVis::screen_buffer[pos] != 0);pos++){ |
---|
970 | rle[rle_size++] = NanoVis::screen_buffer[pos]; |
---|
971 | } |
---|
972 | offsets[offsets_size++] = (pos - i); |
---|
973 | i = pos; |
---|
974 | } |
---|
975 | |
---|
976 | } |
---|
977 | } |
---|
978 | #endif |
---|
979 | |
---|
980 | // used internally to build up the BMP file header |
---|
981 | // Writes an integer value into the header data structure at pos |
---|
982 | static inline void |
---|
983 | bmp_header_add_int(unsigned char* header, int& pos, int data) |
---|
984 | { |
---|
985 | #ifdef WORDS_BIGENDIAN |
---|
986 | header[pos++] = (data >> 24) & 0xFF; |
---|
987 | header[pos++] = (data >> 16) & 0xFF; |
---|
988 | header[pos++] = (data >> 8) & 0xFF; |
---|
989 | header[pos++] = (data) & 0xFF; |
---|
990 | #else |
---|
991 | header[pos++] = data & 0xff; |
---|
992 | header[pos++] = (data >> 8) & 0xff; |
---|
993 | header[pos++] = (data >> 16) & 0xff; |
---|
994 | header[pos++] = (data >> 24) & 0xff; |
---|
995 | #endif |
---|
996 | } |
---|
997 | |
---|
998 | // INSOO |
---|
999 | // FOR DEBUGGING |
---|
1000 | void |
---|
1001 | NanoVis::bmp_write_to_file(int frame_number, const char *directory_name) |
---|
1002 | { |
---|
1003 | unsigned char header[SIZEOF_BMP_HEADER]; |
---|
1004 | int pos = 0; |
---|
1005 | header[pos++] = 'B'; |
---|
1006 | header[pos++] = 'M'; |
---|
1007 | |
---|
1008 | // BE CAREFUL: BMP files must have an even multiple of 4 bytes |
---|
1009 | // on each scan line. If need be, we add padding to each line. |
---|
1010 | int pad = 0; |
---|
1011 | if ((3*win_width) % 4 > 0) { |
---|
1012 | pad = 4 - ((3*win_width) % 4); |
---|
1013 | } |
---|
1014 | |
---|
1015 | // file size in bytes |
---|
1016 | int fsize = (3*win_width+pad)*win_height + SIZEOF_BMP_HEADER; |
---|
1017 | bmp_header_add_int(header, pos, fsize); |
---|
1018 | |
---|
1019 | // reserved value (must be 0) |
---|
1020 | bmp_header_add_int(header, pos, 0); |
---|
1021 | |
---|
1022 | // offset in bytes to start of bitmap data |
---|
1023 | bmp_header_add_int(header, pos, SIZEOF_BMP_HEADER); |
---|
1024 | |
---|
1025 | // size of the BITMAPINFOHEADER |
---|
1026 | bmp_header_add_int(header, pos, 40); |
---|
1027 | |
---|
1028 | // width of the image in pixels |
---|
1029 | bmp_header_add_int(header, pos, win_width); |
---|
1030 | |
---|
1031 | // height of the image in pixels |
---|
1032 | bmp_header_add_int(header, pos, win_height); |
---|
1033 | |
---|
1034 | // 1 plane + (24 bits/pixel << 16) |
---|
1035 | bmp_header_add_int(header, pos, 1572865); |
---|
1036 | |
---|
1037 | // no compression |
---|
1038 | // size of image for compression |
---|
1039 | bmp_header_add_int(header, pos, 0); |
---|
1040 | bmp_header_add_int(header, pos, 0); |
---|
1041 | |
---|
1042 | // x pixels per meter |
---|
1043 | // y pixels per meter |
---|
1044 | bmp_header_add_int(header, pos, 0); |
---|
1045 | bmp_header_add_int(header, pos, 0); |
---|
1046 | |
---|
1047 | // number of colors used (0 = compute from bits/pixel) |
---|
1048 | // number of important colors (0 = all colors important) |
---|
1049 | bmp_header_add_int(header, pos, 0); |
---|
1050 | bmp_header_add_int(header, pos, 0); |
---|
1051 | |
---|
1052 | // BE CAREFUL: BMP format wants BGR ordering for screen data |
---|
1053 | unsigned char* scr = screen_buffer; |
---|
1054 | for (int row=0; row < win_height; row++) { |
---|
1055 | for (int col=0; col < win_width; col++) { |
---|
1056 | unsigned char tmp = scr[2]; |
---|
1057 | scr[2] = scr[0]; // B |
---|
1058 | scr[0] = tmp; // R |
---|
1059 | scr += 3; |
---|
1060 | } |
---|
1061 | scr += pad; // skip over padding already in screen data |
---|
1062 | } |
---|
1063 | |
---|
1064 | FILE* f; |
---|
1065 | char filename[100]; |
---|
1066 | if (frame_number >= 0) { |
---|
1067 | if (directory_name) |
---|
1068 | sprintf(filename, "%s/image%03d.bmp", directory_name, frame_number); |
---|
1069 | else |
---|
1070 | sprintf(filename, "/tmp/flow_animation/image%03d.bmp", frame_number); |
---|
1071 | |
---|
1072 | printf("Writing %s\n", filename); |
---|
1073 | f = fopen(filename, "wb"); |
---|
1074 | if (f == 0) { |
---|
1075 | Trace("cannot create file\n"); |
---|
1076 | } |
---|
1077 | } else { |
---|
1078 | f = fopen("/tmp/image.bmp", "wb"); |
---|
1079 | if (f == 0) { |
---|
1080 | Trace("cannot create file\n"); |
---|
1081 | } |
---|
1082 | } |
---|
1083 | fwrite(header, SIZEOF_BMP_HEADER, 1, f); |
---|
1084 | fwrite(screen_buffer, (3*win_width+pad)*win_height, 1, f); |
---|
1085 | fclose(f); |
---|
1086 | } |
---|
1087 | |
---|
1088 | void |
---|
1089 | NanoVis::bmp_write(const char *prefix) |
---|
1090 | { |
---|
1091 | unsigned char header[SIZEOF_BMP_HEADER]; |
---|
1092 | int pos = 0; |
---|
1093 | |
---|
1094 | // BE CAREFUL: BMP files must have an even multiple of 4 bytes |
---|
1095 | // on each scan line. If need be, we add padding to each line. |
---|
1096 | int pad = 0; |
---|
1097 | if ((3*win_width) % 4 > 0) { |
---|
1098 | pad = 4 - ((3*win_width) % 4); |
---|
1099 | } |
---|
1100 | pad = 0; |
---|
1101 | int fsize = (3*win_width+pad)*win_height + sizeof(header); |
---|
1102 | |
---|
1103 | char string[200]; |
---|
1104 | sprintf(string, "%s %d\n", prefix, fsize); |
---|
1105 | write(0, string, strlen(string)); |
---|
1106 | |
---|
1107 | header[pos++] = 'B'; |
---|
1108 | header[pos++] = 'M'; |
---|
1109 | |
---|
1110 | // file size in bytes |
---|
1111 | bmp_header_add_int(header, pos, fsize); |
---|
1112 | |
---|
1113 | // reserved value (must be 0) |
---|
1114 | bmp_header_add_int(header, pos, 0); |
---|
1115 | |
---|
1116 | // offset in bytes to start of bitmap data |
---|
1117 | bmp_header_add_int(header, pos, SIZEOF_BMP_HEADER); |
---|
1118 | |
---|
1119 | // size of the BITMAPINFOHEADER |
---|
1120 | bmp_header_add_int(header, pos, 40); |
---|
1121 | |
---|
1122 | // width of the image in pixels |
---|
1123 | bmp_header_add_int(header, pos, win_width); |
---|
1124 | |
---|
1125 | // height of the image in pixels |
---|
1126 | bmp_header_add_int(header, pos, win_height); |
---|
1127 | |
---|
1128 | // 1 plane + (24 bits/pixel << 16) |
---|
1129 | bmp_header_add_int(header, pos, 1572865); |
---|
1130 | |
---|
1131 | // no compression |
---|
1132 | // size of image for compression |
---|
1133 | bmp_header_add_int(header, pos, 0); |
---|
1134 | bmp_header_add_int(header, pos, 0); |
---|
1135 | |
---|
1136 | // x pixels per meter |
---|
1137 | // y pixels per meter |
---|
1138 | bmp_header_add_int(header, pos, 0); |
---|
1139 | bmp_header_add_int(header, pos, 0); |
---|
1140 | |
---|
1141 | // number of colors used (0 = compute from bits/pixel) |
---|
1142 | // number of important colors (0 = all colors important) |
---|
1143 | bmp_header_add_int(header, pos, 0); |
---|
1144 | bmp_header_add_int(header, pos, 0); |
---|
1145 | |
---|
1146 | // BE CAREFUL: BMP format wants BGR ordering for screen data |
---|
1147 | unsigned char* scr = screen_buffer; |
---|
1148 | for (int row=0; row < win_height; row++) { |
---|
1149 | for (int col=0; col < win_width; col++) { |
---|
1150 | unsigned char tmp = scr[2]; |
---|
1151 | scr[2] = scr[0]; // B |
---|
1152 | scr[0] = tmp; // R |
---|
1153 | scr += 3; |
---|
1154 | } |
---|
1155 | scr += pad; // skip over padding already in screen data |
---|
1156 | } |
---|
1157 | |
---|
1158 | write(0, header, SIZEOF_BMP_HEADER); |
---|
1159 | write(0, screen_buffer, (3*win_width+pad)*win_height); |
---|
1160 | stats.nFrames++; |
---|
1161 | stats.nBytes += (3*win_width+pad)*win_height; |
---|
1162 | } |
---|
1163 | |
---|
1164 | /* |
---|
1165 | * ppm_write -- |
---|
1166 | * |
---|
1167 | * Writes the screen image as PPM binary data to the nanovisviewer |
---|
1168 | * client. The PPM binary format is very simple. |
---|
1169 | * |
---|
1170 | * P6 w h 255\n |
---|
1171 | * 3-byte RGB pixel data. |
---|
1172 | * |
---|
1173 | * The nanovisviewer client (using the TkImg library) will do less work |
---|
1174 | * to unpack this format, as opposed to BMP or PNG. (This doesn't |
---|
1175 | * eliminate the need to look into DXT compression performed on the GPU). |
---|
1176 | * |
---|
1177 | * Note that currently the image data from the screen is both row-padded |
---|
1178 | * and the scan lines are reversed. This routine could be made even |
---|
1179 | * simpler (faster) if the screen buffer is an array of packed 3-bytes |
---|
1180 | * per pixels (no padding) and where the origin is the top-left corner. |
---|
1181 | */ |
---|
1182 | void |
---|
1183 | NanoVis::ppm_write(const char *prefix) |
---|
1184 | { |
---|
1185 | #define PPM_MAXVAL 255 |
---|
1186 | char header[200]; |
---|
1187 | |
---|
1188 | // Generate the PPM binary file header |
---|
1189 | sprintf(header, "P6 %d %d %d\n", win_width, win_height, PPM_MAXVAL); |
---|
1190 | |
---|
1191 | size_t header_length = strlen(header); |
---|
1192 | size_t data_length = win_width * win_height * 3; |
---|
1193 | |
---|
1194 | char command[200]; |
---|
1195 | sprintf(command, "%s %d\n", prefix, header_length + data_length); |
---|
1196 | |
---|
1197 | size_t wordsPerRow = (win_width * 24 + 31) / 32; |
---|
1198 | size_t bytesPerRow = wordsPerRow * 4; |
---|
1199 | size_t rowLength = win_width * 3; |
---|
1200 | size_t nRecs = win_height + 2; |
---|
1201 | |
---|
1202 | struct iovec *iov; |
---|
1203 | iov = (struct iovec *)malloc(sizeof(struct iovec) * nRecs); |
---|
1204 | |
---|
1205 | // Write the nanovisviewer command, then the image header and data. |
---|
1206 | // Command |
---|
1207 | iov[0].iov_base = command; |
---|
1208 | iov[0].iov_len = strlen(command); |
---|
1209 | // Header of image data |
---|
1210 | iov[1].iov_base = header; |
---|
1211 | iov[1].iov_len = header_length; |
---|
1212 | // Image data. |
---|
1213 | int y; |
---|
1214 | unsigned char *srcRowPtr = screen_buffer; |
---|
1215 | for (y = win_height + 1; y >= 2; y--) { |
---|
1216 | iov[y].iov_base = srcRowPtr; |
---|
1217 | iov[y].iov_len = rowLength; |
---|
1218 | srcRowPtr += bytesPerRow; |
---|
1219 | } |
---|
1220 | writev(0, iov, nRecs); |
---|
1221 | free(iov); |
---|
1222 | stats.nFrames++; |
---|
1223 | stats.nBytes += (bytesPerRow * win_height); |
---|
1224 | } |
---|
1225 | |
---|
1226 | #ifdef notdef |
---|
1227 | //draw vectors |
---|
1228 | void draw_arrows() |
---|
1229 | { |
---|
1230 | glColor4f(0.,0.,1.,1.); |
---|
1231 | for(int i=0; i<NMESH; i++){ |
---|
1232 | for(int j=0; j<NMESH; j++){ |
---|
1233 | Vector2 v = grid.get(i, j); |
---|
1234 | |
---|
1235 | int x1 = i*DM; |
---|
1236 | int y1 = j*DM; |
---|
1237 | |
---|
1238 | int x2 = x1 + v.x; |
---|
1239 | int y2 = y1 + v.y; |
---|
1240 | |
---|
1241 | glBegin(GL_LINES); |
---|
1242 | glVertex2d(x1, y1); |
---|
1243 | glVertex2d(x2, y2); |
---|
1244 | glEnd(); |
---|
1245 | } |
---|
1246 | } |
---|
1247 | } |
---|
1248 | #endif |
---|
1249 | |
---|
1250 | |
---|
1251 | /*----------------------------------------------------*/ |
---|
1252 | static void |
---|
1253 | idle() |
---|
1254 | { |
---|
1255 | glutSetWindow(render_window); |
---|
1256 | |
---|
1257 | #ifdef notdef |
---|
1258 | struct timespec ts; |
---|
1259 | ts.tv_sec = 0; |
---|
1260 | ts.tv_nsec = 300000000; |
---|
1261 | nanosleep(&ts, 0); |
---|
1262 | #endif |
---|
1263 | #ifdef XINETD |
---|
1264 | NanoVis::xinetd_listen(); |
---|
1265 | #else |
---|
1266 | glutPostRedisplay(); |
---|
1267 | #endif |
---|
1268 | } |
---|
1269 | |
---|
1270 | void |
---|
1271 | NanoVis::display_offscreen_buffer() |
---|
1272 | { |
---|
1273 | glEnable(GL_TEXTURE_2D); |
---|
1274 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); |
---|
1275 | glBindTexture(GL_TEXTURE_2D, final_color_tex); |
---|
1276 | |
---|
1277 | glViewport(0, 0, win_width, win_height); |
---|
1278 | glMatrixMode(GL_PROJECTION); |
---|
1279 | glLoadIdentity(); |
---|
1280 | gluOrtho2D(0, win_width, 0, win_height); |
---|
1281 | glMatrixMode(GL_MODELVIEW); |
---|
1282 | glLoadIdentity(); |
---|
1283 | |
---|
1284 | glColor3f(1.,1.,1.); //MUST HAVE THIS LINE!!! |
---|
1285 | glBegin(GL_QUADS); |
---|
1286 | { |
---|
1287 | glTexCoord2f(0, 0); glVertex2f(0, 0); |
---|
1288 | glTexCoord2f(1, 0); glVertex2f(win_width, 0); |
---|
1289 | glTexCoord2f(1, 1); glVertex2f(win_width, win_height); |
---|
1290 | glTexCoord2f(0, 1); glVertex2f(0, win_height); |
---|
1291 | } |
---|
1292 | glEnd(); |
---|
1293 | } |
---|
1294 | |
---|
1295 | |
---|
1296 | #ifdef notdef |
---|
1297 | |
---|
1298 | static int |
---|
1299 | particle_distance_sort(const void* a, const void* b) |
---|
1300 | { |
---|
1301 | if((*((Particle*)a)).aux > (*((Particle*)b)).aux) { |
---|
1302 | return -1; |
---|
1303 | } else { |
---|
1304 | return 1; |
---|
1305 | } |
---|
1306 | } |
---|
1307 | |
---|
1308 | void soft_read_verts() |
---|
1309 | { |
---|
1310 | glReadPixels(0, 0, psys->psys_width, psys->psys_height, GL_RGB, GL_FLOAT, |
---|
1311 | vert); |
---|
1312 | //fprintf(stderr, "soft_read_vert"); |
---|
1313 | |
---|
1314 | //cpu sort the distance |
---|
1315 | Particle* p; |
---|
1316 | p = (Particle*)malloc(sizeof(Particle)*psys->psys_width*psys->psys_height); |
---|
1317 | for (int i=0; i<psys->psys_width * psys->psys_height; i++) { |
---|
1318 | float x = vert[3*i]; |
---|
1319 | float y = vert[3*i+1]; |
---|
1320 | float z = vert[3*i+2]; |
---|
1321 | |
---|
1322 | 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); |
---|
1323 | p[i].x = x; |
---|
1324 | p[i].y = y; |
---|
1325 | p[i].z = z; |
---|
1326 | p[i].aux = dis; |
---|
1327 | } |
---|
1328 | |
---|
1329 | qsort(p, psys->psys_width * psys->psys_height, sizeof(Particle), particle_distance_sort); |
---|
1330 | |
---|
1331 | for(int i=0; i<psys->psys_width * psys->psys_height; i++){ |
---|
1332 | vert[3*i] = p[i].x; |
---|
1333 | vert[3*i+1] = p[i].y; |
---|
1334 | vert[3*i+2] = p[i].z; |
---|
1335 | } |
---|
1336 | |
---|
1337 | free(p); |
---|
1338 | } |
---|
1339 | #endif |
---|
1340 | |
---|
1341 | #ifdef notdef |
---|
1342 | //display the content of a texture as a screen aligned quad |
---|
1343 | void |
---|
1344 | display_texture(NVISid tex, int width, int height) |
---|
1345 | { |
---|
1346 | glPushMatrix(); |
---|
1347 | |
---|
1348 | glEnable(GL_TEXTURE_2D); |
---|
1349 | glBindTexture(GL_TEXTURE_RECTANGLE_NV, tex); |
---|
1350 | |
---|
1351 | glViewport(0, 0, width, height); |
---|
1352 | glMatrixMode(GL_PROJECTION); |
---|
1353 | glLoadIdentity(); |
---|
1354 | gluOrtho2D(0, width, 0, height); |
---|
1355 | glMatrixMode(GL_MODELVIEW); |
---|
1356 | glLoadIdentity(); |
---|
1357 | |
---|
1358 | cgGLBindProgram(m_passthru_fprog); |
---|
1359 | cgGLEnableProfile(CG_PROFILE_FP30); |
---|
1360 | |
---|
1361 | cgGLSetParameter4f(m_passthru_scale_param, 1.0, 1.0, 1.0, 1.0); |
---|
1362 | cgGLSetParameter4f(m_passthru_bias_param, 0.0, 0.0, 0.0, 0.0); |
---|
1363 | |
---|
1364 | draw_quad(width, height, width, height); |
---|
1365 | cgGLDisableProfile(CG_PROFILE_FP30); |
---|
1366 | |
---|
1367 | glPopMatrix(); |
---|
1368 | |
---|
1369 | //assert(glGetError()==0); |
---|
1370 | } |
---|
1371 | #endif |
---|
1372 | |
---|
1373 | |
---|
1374 | //draw vertices in the main memory |
---|
1375 | #ifdef notdef |
---|
1376 | void |
---|
1377 | soft_display_verts() |
---|
1378 | { |
---|
1379 | glDisable(GL_TEXTURE_2D); |
---|
1380 | glEnable(GL_BLEND); |
---|
1381 | |
---|
1382 | glPointSize(0.5); |
---|
1383 | glColor4f(0,0.8,0.8,0.6); |
---|
1384 | glBegin(GL_POINTS); |
---|
1385 | { |
---|
1386 | for(int i=0; i < psys->psys_width * psys->psys_height; i++){ |
---|
1387 | glVertex3f(vert[3*i], vert[3*i+1], vert[3*i+2]); |
---|
1388 | } |
---|
1389 | } |
---|
1390 | glEnd(); |
---|
1391 | //fprintf(stderr, "soft_display_vert"); |
---|
1392 | } |
---|
1393 | #endif |
---|
1394 | |
---|
1395 | #if 0 |
---|
1396 | //oddeven sort on GPU |
---|
1397 | void |
---|
1398 | sortstep() |
---|
1399 | { |
---|
1400 | // perform one step of the current sorting algorithm |
---|
1401 | |
---|
1402 | #ifdef notdef |
---|
1403 | // swap buffers |
---|
1404 | int sourceBuffer = targetBuffer; |
---|
1405 | targetBuffer = (targetBuffer+1)%2; |
---|
1406 | int pstage = (1<<stage); |
---|
1407 | int ppass = (1<<pass); |
---|
1408 | int activeBitonicShader = 0; |
---|
1409 | |
---|
1410 | #ifdef _WIN32 |
---|
1411 | buffer->BindBuffer(wglTargets[sourceBuffer]); |
---|
1412 | #else |
---|
1413 | buffer->BindBuffer(glTargets[sourceBuffer]); |
---|
1414 | #endif |
---|
1415 | if (buffer->IsDoubleBuffered()) glDrawBuffer(glTargets[targetBuffer]); |
---|
1416 | #endif |
---|
1417 | |
---|
1418 | checkGLError("after db"); |
---|
1419 | |
---|
1420 | int pstage = (1<<stage); |
---|
1421 | int ppass = (1<<pass); |
---|
1422 | //int activeBitonicShader = 0; |
---|
1423 | |
---|
1424 | // switch on correct sorting shader |
---|
1425 | oddevenMergeSort.bind(); |
---|
1426 | glUniform3fARB(oddevenMergeSort.getUniformLocation("Param1"), float(pstage+pstage), |
---|
1427 | float(ppass%pstage), float((pstage+pstage)-(ppass%pstage)-1)); |
---|
1428 | glUniform3fARB(oddevenMergeSort.getUniformLocation("Param2"), |
---|
1429 | float(psys_width), float(psys_height), float(ppass)); |
---|
1430 | glUniform1iARB(oddevenMergeSort.getUniformLocation("Data"), 0); |
---|
1431 | staticdebugmsg("sort","stage "<<pstage<<" pass "<<ppass); |
---|
1432 | |
---|
1433 | // This clear is not necessary for sort to function. But if we are in |
---|
1434 | // interactive mode unused parts of the texture that are visible will look |
---|
1435 | // bad. |
---|
1436 | #ifdef notdef |
---|
1437 | if (!perfTest) glClear(GL_COLOR_BUFFER_BIT); |
---|
1438 | |
---|
1439 | buffer->Bind(); |
---|
1440 | buffer->EnableTextureTarget(); |
---|
1441 | #endif |
---|
1442 | |
---|
1443 | // Initiate the sorting step on the GPU a full-screen quad |
---|
1444 | glBegin(GL_QUADS); |
---|
1445 | { |
---|
1446 | #ifdef notdef |
---|
1447 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,0.0f,0.0f,0.0f,1.0f); |
---|
1448 | glVertex2f(-1.0f,-1.0f); |
---|
1449 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,float(psys_width),0.0f,1.0f,1.0f); |
---|
1450 | glVertex2f(1.0f,-1.0f); |
---|
1451 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,float(psys_width),float(psys_height),1.0f,0.0f); |
---|
1452 | glVertex2f(1.0f,1.0f); |
---|
1453 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,0.0f,float(psys_height),0.0f,0.0f); |
---|
1454 | glVertex2f(-1.0f,1.0f); |
---|
1455 | #endif |
---|
1456 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,0.0f,0.0f,0.0f,1.0f); |
---|
1457 | glVertex2f(0.,0.); |
---|
1458 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,float(psys_width),0.0f,1.0f,1.0f); |
---|
1459 | glVertex2f(float(psys_width), 0.); |
---|
1460 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,float(psys_width),float(psys_height),1.0f,0.0f); |
---|
1461 | glVertex2f(float(psys_width), float(psys_height)); |
---|
1462 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,0.0f,float(psys_height),0.0f,0.0f); |
---|
1463 | glVertex2f(0., float(psys_height)); |
---|
1464 | } |
---|
1465 | glEnd(); |
---|
1466 | |
---|
1467 | // switch off sorting shader |
---|
1468 | oddevenMergeSort.release(); |
---|
1469 | |
---|
1470 | //buffer->DisableTextureTarget(); |
---|
1471 | |
---|
1472 | //assert(glGetError()==0); |
---|
1473 | } |
---|
1474 | #endif |
---|
1475 | |
---|
1476 | |
---|
1477 | void |
---|
1478 | draw_3d_axis() |
---|
1479 | { |
---|
1480 | glDisable(GL_TEXTURE_2D); |
---|
1481 | glEnable(GL_DEPTH_TEST); |
---|
1482 | |
---|
1483 | //draw axes |
---|
1484 | GLUquadric *obj; |
---|
1485 | |
---|
1486 | obj = gluNewQuadric(); |
---|
1487 | |
---|
1488 | glDepthFunc(GL_LESS); |
---|
1489 | glEnable(GL_COLOR_MATERIAL); |
---|
1490 | glEnable(GL_DEPTH_TEST); |
---|
1491 | glDisable(GL_BLEND); |
---|
1492 | |
---|
1493 | int segments = 50; |
---|
1494 | |
---|
1495 | glColor3f(0.8, 0.8, 0.8); |
---|
1496 | glPushMatrix(); |
---|
1497 | glTranslatef(0.4, 0., 0.); |
---|
1498 | glRotatef(90, 1, 0, 0); |
---|
1499 | glRotatef(180, 0, 1, 0); |
---|
1500 | glScalef(0.0005, 0.0005, 0.0005); |
---|
1501 | glutStrokeCharacter(GLUT_STROKE_ROMAN, 'x'); |
---|
1502 | glPopMatrix(); |
---|
1503 | |
---|
1504 | glPushMatrix(); |
---|
1505 | glTranslatef(0., 0.4, 0.); |
---|
1506 | glRotatef(90, 1, 0, 0); |
---|
1507 | glRotatef(180, 0, 1, 0); |
---|
1508 | glScalef(0.0005, 0.0005, 0.0005); |
---|
1509 | glutStrokeCharacter(GLUT_STROKE_ROMAN, 'y'); |
---|
1510 | glPopMatrix(); |
---|
1511 | |
---|
1512 | glPushMatrix(); |
---|
1513 | glTranslatef(0., 0., 0.4); |
---|
1514 | glRotatef(90, 1, 0, 0); |
---|
1515 | glRotatef(180, 0, 1, 0); |
---|
1516 | glScalef(0.0005, 0.0005, 0.0005); |
---|
1517 | glutStrokeCharacter(GLUT_STROKE_ROMAN, 'z'); |
---|
1518 | glPopMatrix(); |
---|
1519 | |
---|
1520 | glEnable(GL_LIGHTING); |
---|
1521 | glEnable(GL_LIGHT0); |
---|
1522 | |
---|
1523 | //glColor3f(0.2, 0.2, 0.8); |
---|
1524 | glPushMatrix(); |
---|
1525 | glutSolidSphere(0.02, segments, segments ); |
---|
1526 | glPopMatrix(); |
---|
1527 | |
---|
1528 | glPushMatrix(); |
---|
1529 | glRotatef(-90, 1, 0, 0); |
---|
1530 | gluCylinder(obj, 0.01, 0.01, 0.3, segments, segments); |
---|
1531 | glPopMatrix(); |
---|
1532 | |
---|
1533 | glPushMatrix(); |
---|
1534 | glTranslatef(0., 0.3, 0.); |
---|
1535 | glRotatef(-90, 1, 0, 0); |
---|
1536 | gluCylinder(obj, 0.02, 0.0, 0.06, segments, segments); |
---|
1537 | glPopMatrix(); |
---|
1538 | |
---|
1539 | glPushMatrix(); |
---|
1540 | glRotatef(90, 0, 1, 0); |
---|
1541 | gluCylinder(obj, 0.01, 0.01, 0.3, segments, segments); |
---|
1542 | glPopMatrix(); |
---|
1543 | |
---|
1544 | glPushMatrix(); |
---|
1545 | glTranslatef(0.3, 0., 0.); |
---|
1546 | glRotatef(90, 0, 1, 0); |
---|
1547 | gluCylinder(obj, 0.02, 0.0, 0.06, segments, segments); |
---|
1548 | glPopMatrix(); |
---|
1549 | |
---|
1550 | glPushMatrix(); |
---|
1551 | gluCylinder(obj, 0.01, 0.01, 0.3, segments, segments); |
---|
1552 | glPopMatrix(); |
---|
1553 | |
---|
1554 | glPushMatrix(); |
---|
1555 | glTranslatef(0., 0., 0.3); |
---|
1556 | gluCylinder(obj, 0.02, 0.0, 0.06, segments, segments); |
---|
1557 | glPopMatrix(); |
---|
1558 | |
---|
1559 | glDisable(GL_LIGHTING); |
---|
1560 | glDisable(GL_DEPTH_TEST); |
---|
1561 | gluDeleteQuadric(obj); |
---|
1562 | |
---|
1563 | glEnable(GL_TEXTURE_2D); |
---|
1564 | glDisable(GL_DEPTH_TEST); |
---|
1565 | } |
---|
1566 | |
---|
1567 | #ifdef notdef |
---|
1568 | void |
---|
1569 | draw_axis() |
---|
1570 | { |
---|
1571 | glDisable(GL_TEXTURE_2D); |
---|
1572 | glEnable(GL_DEPTH_TEST); |
---|
1573 | |
---|
1574 | //red x |
---|
1575 | glColor3f(1,0,0); |
---|
1576 | glBegin(GL_LINES); |
---|
1577 | { |
---|
1578 | glVertex3f(0,0,0); |
---|
1579 | glVertex3f(1.5,0,0); |
---|
1580 | } |
---|
1581 | glEnd(); |
---|
1582 | |
---|
1583 | //blue y |
---|
1584 | glColor3f(0,0,1); |
---|
1585 | glBegin(GL_LINES); |
---|
1586 | { |
---|
1587 | glVertex3f(0,0,0); |
---|
1588 | glVertex3f(0,1.5,0); |
---|
1589 | } |
---|
1590 | glEnd(); |
---|
1591 | |
---|
1592 | //green z |
---|
1593 | glColor3f(0,1,0); |
---|
1594 | glBegin(GL_LINES); |
---|
1595 | { |
---|
1596 | glVertex3f(0,0,0); |
---|
1597 | glVertex3f(0,0,1.5); |
---|
1598 | } |
---|
1599 | glEnd(); |
---|
1600 | |
---|
1601 | glEnable(GL_TEXTURE_2D); |
---|
1602 | glDisable(GL_DEPTH_TEST); |
---|
1603 | } |
---|
1604 | #endif |
---|
1605 | |
---|
1606 | void NanoVis::update() |
---|
1607 | { |
---|
1608 | if (vol_renderer->_volumeInterpolator->is_started()) { |
---|
1609 | struct timeval clock; |
---|
1610 | gettimeofday(&clock, NULL); |
---|
1611 | double elapsed_time; |
---|
1612 | |
---|
1613 | elapsed_time = clock.tv_sec + clock.tv_usec/1000000.0 - |
---|
1614 | vol_renderer->_volumeInterpolator->getStartTime(); |
---|
1615 | |
---|
1616 | Trace("%lf %lf\n", elapsed_time, vol_renderer->_volumeInterpolator->getInterval()); |
---|
1617 | float fraction; |
---|
1618 | float f; |
---|
1619 | |
---|
1620 | f = fmod((float) elapsed_time, (float)vol_renderer->_volumeInterpolator->getInterval()); |
---|
1621 | if (f == 0.0) { |
---|
1622 | fraction = 0.0f; |
---|
1623 | } else { |
---|
1624 | fraction = f / vol_renderer->_volumeInterpolator->getInterval(); |
---|
1625 | } |
---|
1626 | Trace("fraction : %f\n", fraction); |
---|
1627 | vol_renderer->_volumeInterpolator->update(fraction); |
---|
1628 | } |
---|
1629 | } |
---|
1630 | |
---|
1631 | void |
---|
1632 | NanoVis::SetVolumeRanges() |
---|
1633 | { |
---|
1634 | double xMin, xMax, yMin, yMax, zMin, zMax, wMin, wMax; |
---|
1635 | |
---|
1636 | xMin = yMin = zMin = wMin = DBL_MAX; |
---|
1637 | xMax = yMax = zMax = wMax = -DBL_MAX; |
---|
1638 | for (unsigned int i = 0; i < volume.size(); i++) { |
---|
1639 | Volume *volPtr; |
---|
1640 | |
---|
1641 | volPtr = volume[i]; |
---|
1642 | if (volPtr == NULL) { |
---|
1643 | continue; |
---|
1644 | } |
---|
1645 | if (!volPtr->enabled) { |
---|
1646 | continue; |
---|
1647 | } |
---|
1648 | if (xMin > volPtr->xAxis.min()) { |
---|
1649 | xMin = volPtr->xAxis.min(); |
---|
1650 | } |
---|
1651 | if (xMax < volPtr->xAxis.max()) { |
---|
1652 | xMax = volPtr->xAxis.max(); |
---|
1653 | } |
---|
1654 | if (yMin > volPtr->yAxis.min()) { |
---|
1655 | yMin = volPtr->yAxis.min(); |
---|
1656 | } |
---|
1657 | if (yMax < volPtr->yAxis.max()) { |
---|
1658 | yMax = volPtr->yAxis.max(); |
---|
1659 | } |
---|
1660 | if (zMin > volPtr->zAxis.min()) { |
---|
1661 | zMin = volPtr->zAxis.min(); |
---|
1662 | } |
---|
1663 | if (zMax < volPtr->zAxis.max()) { |
---|
1664 | zMax = volPtr->zAxis.max(); |
---|
1665 | } |
---|
1666 | if (wMin > volPtr->wAxis.min()) { |
---|
1667 | wMin = volPtr->wAxis.min(); |
---|
1668 | } |
---|
1669 | if (wMax < volPtr->wAxis.max()) { |
---|
1670 | wMax = volPtr->wAxis.max(); |
---|
1671 | } |
---|
1672 | } |
---|
1673 | if ((xMin < DBL_MAX) && (xMax > -DBL_MAX)) { |
---|
1674 | grid->xAxis.SetScale(xMin, xMax); |
---|
1675 | } |
---|
1676 | if ((yMin < DBL_MAX) && (yMax > -DBL_MAX)) { |
---|
1677 | grid->yAxis.SetScale(yMin, yMax); |
---|
1678 | } |
---|
1679 | if ((zMin < DBL_MAX) && (zMax > -DBL_MAX)) { |
---|
1680 | grid->zAxis.SetScale(zMin, zMax); |
---|
1681 | } |
---|
1682 | if ((wMin < DBL_MAX) && (wMax > -DBL_MAX)) { |
---|
1683 | Volume::valueMin = wMin; |
---|
1684 | Volume::valueMax = wMax; |
---|
1685 | } |
---|
1686 | Volume::update_pending = false; |
---|
1687 | } |
---|
1688 | |
---|
1689 | void |
---|
1690 | NanoVis::SetHeightmapRanges() |
---|
1691 | { |
---|
1692 | double xMin, xMax, yMin, yMax, zMin, zMax, wMin, wMax; |
---|
1693 | |
---|
1694 | xMin = yMin = zMin = wMin = DBL_MAX; |
---|
1695 | xMax = yMax = zMax = wMax = -DBL_MAX; |
---|
1696 | for (unsigned int i = 0; i < heightMap.size(); i++) { |
---|
1697 | HeightMap *hmPtr; |
---|
1698 | |
---|
1699 | hmPtr = heightMap[i]; |
---|
1700 | if (hmPtr == NULL) { |
---|
1701 | continue; |
---|
1702 | } |
---|
1703 | if (xMin > hmPtr->xAxis.min()) { |
---|
1704 | xMin = hmPtr->xAxis.min(); |
---|
1705 | } |
---|
1706 | if (xMax < hmPtr->xAxis.max()) { |
---|
1707 | xMax = hmPtr->xAxis.max(); |
---|
1708 | } |
---|
1709 | if (yMin > hmPtr->yAxis.min()) { |
---|
1710 | yMin = hmPtr->yAxis.min(); |
---|
1711 | } |
---|
1712 | if (yMax < hmPtr->yAxis.max()) { |
---|
1713 | yMax = hmPtr->yAxis.max(); |
---|
1714 | } |
---|
1715 | if (zMin > hmPtr->zAxis.min()) { |
---|
1716 | zMin = hmPtr->zAxis.min(); |
---|
1717 | } |
---|
1718 | if (zMax < hmPtr->zAxis.max()) { |
---|
1719 | zMax = hmPtr->zAxis.max(); |
---|
1720 | } |
---|
1721 | if (wMin > hmPtr->wAxis.min()) { |
---|
1722 | wMin = hmPtr->wAxis.min(); |
---|
1723 | } |
---|
1724 | if (wMax < hmPtr->wAxis.max()) { |
---|
1725 | wMax = hmPtr->wAxis.max(); |
---|
1726 | } |
---|
1727 | } |
---|
1728 | if ((xMin < DBL_MAX) && (xMax > -DBL_MAX)) { |
---|
1729 | grid->xAxis.SetScale(xMin, xMax); |
---|
1730 | } |
---|
1731 | if ((yMin < DBL_MAX) && (yMax > -DBL_MAX)) { |
---|
1732 | grid->yAxis.SetScale(yMin, yMax); |
---|
1733 | } |
---|
1734 | if ((zMin < DBL_MAX) && (zMax > -DBL_MAX)) { |
---|
1735 | grid->zAxis.SetScale(zMin, zMax); |
---|
1736 | } |
---|
1737 | if ((wMin < DBL_MAX) && (wMax > -DBL_MAX)) { |
---|
1738 | HeightMap::valueMin = grid->yAxis.min(); |
---|
1739 | HeightMap::valueMax = grid->yAxis.max(); |
---|
1740 | } |
---|
1741 | for (unsigned int i = 0; i < heightMap.size(); i++) { |
---|
1742 | HeightMap *hmPtr; |
---|
1743 | |
---|
1744 | hmPtr = heightMap[i]; |
---|
1745 | if (hmPtr == NULL) { |
---|
1746 | continue; |
---|
1747 | } |
---|
1748 | hmPtr->MapToGrid(grid); |
---|
1749 | } |
---|
1750 | HeightMap::update_pending = false; |
---|
1751 | } |
---|
1752 | |
---|
1753 | /*----------------------------------------------------*/ |
---|
1754 | void |
---|
1755 | NanoVis::display() |
---|
1756 | { |
---|
1757 | //assert(glGetError()==0); |
---|
1758 | if (HeightMap::update_pending) { |
---|
1759 | SetHeightmapRanges(); |
---|
1760 | } |
---|
1761 | if (Volume::update_pending) { |
---|
1762 | SetVolumeRanges(); |
---|
1763 | } |
---|
1764 | //start final rendering |
---|
1765 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear screen |
---|
1766 | |
---|
1767 | if (volume_mode) { |
---|
1768 | //3D rendering mode |
---|
1769 | glEnable(GL_TEXTURE_2D); |
---|
1770 | glEnable(GL_DEPTH_TEST); |
---|
1771 | |
---|
1772 | //camera setting activated |
---|
1773 | cam->activate(); |
---|
1774 | |
---|
1775 | //set up the orientation of items in the scene. |
---|
1776 | glPushMatrix(); |
---|
1777 | switch (updir) { |
---|
1778 | case 1: // x |
---|
1779 | glRotatef(90, 0, 0, 1); |
---|
1780 | glRotatef(90, 1, 0, 0); |
---|
1781 | break; |
---|
1782 | |
---|
1783 | case 2: // y |
---|
1784 | // this is the default |
---|
1785 | break; |
---|
1786 | |
---|
1787 | case 3: // z |
---|
1788 | glRotatef(-90, 1, 0, 0); |
---|
1789 | glRotatef(-90, 0, 0, 1); |
---|
1790 | break; |
---|
1791 | |
---|
1792 | case -1: // -x |
---|
1793 | glRotatef(-90, 0, 0, 1); |
---|
1794 | break; |
---|
1795 | |
---|
1796 | case -2: // -y |
---|
1797 | glRotatef(180, 0, 0, 1); |
---|
1798 | glRotatef(-90, 0, 1, 0); |
---|
1799 | break; |
---|
1800 | |
---|
1801 | case -3: // -z |
---|
1802 | glRotatef(90, 1, 0, 0); |
---|
1803 | break; |
---|
1804 | } |
---|
1805 | |
---|
1806 | // TBD : This will be removed after being sure that all the functions work well. |
---|
1807 | //glPushMatrix(); |
---|
1808 | |
---|
1809 | //now render things in the scene |
---|
1810 | if (axis_on) { |
---|
1811 | draw_3d_axis(); |
---|
1812 | } |
---|
1813 | if (grid->isVisible()) { |
---|
1814 | grid->render(); |
---|
1815 | } |
---|
1816 | if (licRenderer && licRenderer->isActivated()) { |
---|
1817 | licRenderer->render(); |
---|
1818 | } |
---|
1819 | if (particleRenderer && particleRenderer->isActivated()) { |
---|
1820 | particleRenderer->render(); |
---|
1821 | } |
---|
1822 | //soft_display_verts(); |
---|
1823 | //perf->enable(); |
---|
1824 | //perf->disable(); |
---|
1825 | //fprintf(stderr, "particle pixels: %d\n", perf->get_pixel_count()); |
---|
1826 | //perf->reset(); |
---|
1827 | |
---|
1828 | //perf->enable(); |
---|
1829 | vol_renderer->render_all(); |
---|
1830 | //perf->disable(); |
---|
1831 | |
---|
1832 | for (unsigned int i = 0; i < heightMap.size(); ++i) { |
---|
1833 | if (heightMap[i]->isVisible()) { |
---|
1834 | heightMap[i]->render(renderContext); |
---|
1835 | } |
---|
1836 | } |
---|
1837 | glPopMatrix(); |
---|
1838 | } else { |
---|
1839 | //2D rendering mode |
---|
1840 | perf->enable(); |
---|
1841 | plane_render->render(); |
---|
1842 | perf->disable(); |
---|
1843 | } |
---|
1844 | |
---|
1845 | #ifdef XINETD |
---|
1846 | float cost = perf->get_pixel_count(); |
---|
1847 | write(3, &cost, sizeof(cost)); |
---|
1848 | #endif |
---|
1849 | perf->reset(); |
---|
1850 | |
---|
1851 | } |
---|
1852 | |
---|
1853 | #ifndef XINETD |
---|
1854 | void |
---|
1855 | NanoVis::mouse(int button, int state, int x, int y) |
---|
1856 | { |
---|
1857 | if(button==GLUT_LEFT_BUTTON){ |
---|
1858 | if (state==GLUT_DOWN) { |
---|
1859 | left_last_x = x; |
---|
1860 | left_last_y = y; |
---|
1861 | left_down = true; |
---|
1862 | right_down = false; |
---|
1863 | } else { |
---|
1864 | left_down = false; |
---|
1865 | right_down = false; |
---|
1866 | } |
---|
1867 | } else { |
---|
1868 | //fprintf(stderr, "right mouse\n"); |
---|
1869 | |
---|
1870 | if(state==GLUT_DOWN){ |
---|
1871 | //fprintf(stderr, "right mouse down\n"); |
---|
1872 | right_last_x = x; |
---|
1873 | right_last_y = y; |
---|
1874 | left_down = false; |
---|
1875 | right_down = true; |
---|
1876 | } else { |
---|
1877 | //fprintf(stderr, "right mouse up\n"); |
---|
1878 | left_down = false; |
---|
1879 | right_down = false; |
---|
1880 | } |
---|
1881 | } |
---|
1882 | } |
---|
1883 | |
---|
1884 | void |
---|
1885 | NanoVis::update_rot(int delta_x, int delta_y) |
---|
1886 | { |
---|
1887 | live_rot_x += delta_x; |
---|
1888 | live_rot_y += delta_y; |
---|
1889 | |
---|
1890 | if (live_rot_x > 360.0) { |
---|
1891 | live_rot_x -= 360.0; |
---|
1892 | } else if(live_rot_x < -360.0) { |
---|
1893 | live_rot_x += 360.0; |
---|
1894 | } |
---|
1895 | if (live_rot_y > 360.0) { |
---|
1896 | live_rot_y -= 360.0; |
---|
1897 | } else if(live_rot_y < -360.0) { |
---|
1898 | live_rot_y += 360.0; |
---|
1899 | } |
---|
1900 | cam->rotate(live_rot_x, live_rot_y, live_rot_z); |
---|
1901 | } |
---|
1902 | |
---|
1903 | void |
---|
1904 | NanoVis::update_trans(int delta_x, int delta_y, int delta_z) |
---|
1905 | { |
---|
1906 | live_obj_x += delta_x*0.03; |
---|
1907 | live_obj_y += delta_y*0.03; |
---|
1908 | live_obj_z += delta_z*0.03; |
---|
1909 | } |
---|
1910 | |
---|
1911 | void |
---|
1912 | NanoVis::keyboard(unsigned char key, int x, int y) |
---|
1913 | { |
---|
1914 | bool log = false; |
---|
1915 | |
---|
1916 | switch (key) { |
---|
1917 | case 'q': |
---|
1918 | DoExit(0); |
---|
1919 | break; |
---|
1920 | case '+': |
---|
1921 | lic_slice_z+=0.05; |
---|
1922 | lic->set_offset(lic_slice_z); |
---|
1923 | break; |
---|
1924 | case '-': |
---|
1925 | lic_slice_z-=0.05; |
---|
1926 | lic->set_offset(lic_slice_z); |
---|
1927 | break; |
---|
1928 | case ',': |
---|
1929 | lic_slice_x+=0.05; |
---|
1930 | //init_particles(); |
---|
1931 | break; |
---|
1932 | case '.': |
---|
1933 | lic_slice_x-=0.05; |
---|
1934 | //init_particles(); |
---|
1935 | break; |
---|
1936 | case '1': |
---|
1937 | //advect = true; |
---|
1938 | break; |
---|
1939 | case '2': |
---|
1940 | //psys_x+=0.05; |
---|
1941 | break; |
---|
1942 | case '3': |
---|
1943 | //psys_x-=0.05; |
---|
1944 | break; |
---|
1945 | case 'w': //zoom out |
---|
1946 | live_obj_z-=0.05; |
---|
1947 | log = true; |
---|
1948 | cam->move(live_obj_x, live_obj_y, live_obj_z); |
---|
1949 | break; |
---|
1950 | case 's': //zoom in |
---|
1951 | live_obj_z+=0.05; |
---|
1952 | log = true; |
---|
1953 | cam->move(live_obj_x, live_obj_y, live_obj_z); |
---|
1954 | break; |
---|
1955 | case 'a': //left |
---|
1956 | live_obj_x-=0.05; |
---|
1957 | log = true; |
---|
1958 | cam->move(live_obj_x, live_obj_y, live_obj_z); |
---|
1959 | break; |
---|
1960 | case 'd': //right |
---|
1961 | live_obj_x+=0.05; |
---|
1962 | log = true; |
---|
1963 | cam->move(live_obj_x, live_obj_y, live_obj_z); |
---|
1964 | break; |
---|
1965 | case 'i': |
---|
1966 | //init_particles(); |
---|
1967 | break; |
---|
1968 | case 'v': |
---|
1969 | vol_renderer->switch_volume_mode(); |
---|
1970 | break; |
---|
1971 | case 'b': |
---|
1972 | vol_renderer->switch_slice_mode(); |
---|
1973 | break; |
---|
1974 | case 'n': |
---|
1975 | resize_offscreen_buffer(win_width*2, win_height*2); |
---|
1976 | break; |
---|
1977 | case 'm': |
---|
1978 | resize_offscreen_buffer(win_width/2, win_height/2); |
---|
1979 | break; |
---|
1980 | default: |
---|
1981 | break; |
---|
1982 | } |
---|
1983 | #ifdef EVENTLOG |
---|
1984 | if(log){ |
---|
1985 | float param[3] = {live_obj_x, live_obj_y, live_obj_z}; |
---|
1986 | Event* tmp = new Event(EVENT_MOVE, param, NvGetTimeInterval()); |
---|
1987 | tmp->write(event_log); |
---|
1988 | delete tmp; |
---|
1989 | } |
---|
1990 | #endif |
---|
1991 | } |
---|
1992 | |
---|
1993 | void |
---|
1994 | NanoVis::motion(int x, int y) |
---|
1995 | { |
---|
1996 | int old_x, old_y; |
---|
1997 | |
---|
1998 | if(left_down){ |
---|
1999 | old_x = left_last_x; |
---|
2000 | old_y = left_last_y; |
---|
2001 | } else if(right_down){ |
---|
2002 | old_x = right_last_x; |
---|
2003 | old_y = right_last_y; |
---|
2004 | } |
---|
2005 | |
---|
2006 | int delta_x = x - old_x; |
---|
2007 | int delta_y = y - old_y; |
---|
2008 | |
---|
2009 | //more coarse event handling |
---|
2010 | //if(abs(delta_x)<10 && abs(delta_y)<10) |
---|
2011 | //return; |
---|
2012 | |
---|
2013 | if(left_down){ |
---|
2014 | left_last_x = x; |
---|
2015 | left_last_y = y; |
---|
2016 | |
---|
2017 | update_rot(-delta_y, -delta_x); |
---|
2018 | } else if (right_down){ |
---|
2019 | //fprintf(stderr, "right mouse motion (%d,%d)\n", x, y); |
---|
2020 | |
---|
2021 | right_last_x = x; |
---|
2022 | right_last_y = y; |
---|
2023 | |
---|
2024 | update_trans(0, 0, delta_x); |
---|
2025 | } |
---|
2026 | |
---|
2027 | #ifdef EVENTLOG |
---|
2028 | float param[3] = {live_rot_x, live_rot_y, live_rot_z}; |
---|
2029 | Event* tmp = new Event(EVENT_ROTATE, param, NvGetTimeInterval()); |
---|
2030 | tmp->write(event_log); |
---|
2031 | delete tmp; |
---|
2032 | #endif |
---|
2033 | glutPostRedisplay(); |
---|
2034 | } |
---|
2035 | |
---|
2036 | #endif /*XINETD*/ |
---|
2037 | |
---|
2038 | #ifdef notdef |
---|
2039 | |
---|
2040 | #ifdef XINETD |
---|
2041 | void |
---|
2042 | init_service() |
---|
2043 | { |
---|
2044 | if (!debug_flag) { |
---|
2045 | //open log and map stderr to log file |
---|
2046 | xinetd_log = fopen("/tmp/log.txt", "w"); |
---|
2047 | close(2); |
---|
2048 | dup2(fileno(xinetd_log), 2); |
---|
2049 | dup2(2,1); |
---|
2050 | } |
---|
2051 | //flush junk |
---|
2052 | fflush(stdout); |
---|
2053 | fflush(stderr); |
---|
2054 | } |
---|
2055 | |
---|
2056 | void |
---|
2057 | end_service() |
---|
2058 | { |
---|
2059 | //close log file |
---|
2060 | fclose(xinetd_log); |
---|
2061 | } |
---|
2062 | #endif /*XINETD*/ |
---|
2063 | |
---|
2064 | void |
---|
2065 | init_event_log() |
---|
2066 | { |
---|
2067 | event_log = fopen("event.txt", "w"); |
---|
2068 | assert(event_log!=0); |
---|
2069 | |
---|
2070 | struct timeval time; |
---|
2071 | gettimeofday(&time, NULL); |
---|
2072 | cur_time = time.tv_sec*1000. + time.tv_usec/1000.; |
---|
2073 | } |
---|
2074 | |
---|
2075 | void |
---|
2076 | end_event_log() |
---|
2077 | { |
---|
2078 | fclose(event_log); |
---|
2079 | } |
---|
2080 | |
---|
2081 | double |
---|
2082 | get_time_interval() |
---|
2083 | { |
---|
2084 | struct timeval time; |
---|
2085 | gettimeofday(&time, NULL); |
---|
2086 | double new_time = time.tv_sec*1000. + time.tv_usec/1000.; |
---|
2087 | |
---|
2088 | double interval = new_time - cur_time; |
---|
2089 | cur_time = new_time; |
---|
2090 | return interval; |
---|
2091 | } |
---|
2092 | #endif |
---|
2093 | |
---|
2094 | |
---|
2095 | void |
---|
2096 | NanoVis::xinetd_listen(void) |
---|
2097 | { |
---|
2098 | int flags = fcntl(0, F_GETFL, 0); |
---|
2099 | fcntl(0, F_SETFL, flags & ~O_NONBLOCK); |
---|
2100 | |
---|
2101 | int status = TCL_OK; |
---|
2102 | int npass = 0; |
---|
2103 | |
---|
2104 | // |
---|
2105 | // Read and execute as many commands as we can from stdin... |
---|
2106 | // |
---|
2107 | while (status == TCL_OK) { |
---|
2108 | // |
---|
2109 | // Read the next command from the buffer. First time through we |
---|
2110 | // block here and wait if necessary until a command comes in. |
---|
2111 | // |
---|
2112 | // BE CAREFUL: Read only one command, up to a newline. The "volume |
---|
2113 | // data follows" command needs to be able to read the data |
---|
2114 | // immediately following the command, and we shouldn't consume it |
---|
2115 | // here. |
---|
2116 | // |
---|
2117 | while (1) { |
---|
2118 | int c = fgetc(NanoVis::stdin); |
---|
2119 | char ch; |
---|
2120 | if (c <= 0) { |
---|
2121 | if (npass == 0) { |
---|
2122 | DoExit(0); |
---|
2123 | } else { |
---|
2124 | break; |
---|
2125 | } |
---|
2126 | } |
---|
2127 | ch = (char)c; |
---|
2128 | Tcl_DStringAppend(&cmdbuffer, &ch, 1); |
---|
2129 | |
---|
2130 | if (ch=='\n' && Tcl_CommandComplete(Tcl_DStringValue(&cmdbuffer))) { |
---|
2131 | break; |
---|
2132 | } |
---|
2133 | } |
---|
2134 | // no command? then we're done for now |
---|
2135 | if (Tcl_DStringLength(&cmdbuffer) == 0) { |
---|
2136 | break; |
---|
2137 | } |
---|
2138 | |
---|
2139 | // back to original flags during command evaluation... |
---|
2140 | fcntl(0, F_SETFL, flags & ~O_NONBLOCK); |
---|
2141 | status = ExecuteCommand(interp, &cmdbuffer); |
---|
2142 | // non-blocking for next read -- we might not get anything |
---|
2143 | fcntl(0, F_SETFL, flags | O_NONBLOCK); |
---|
2144 | npass++; |
---|
2145 | } |
---|
2146 | fcntl(0, F_SETFL, flags); |
---|
2147 | |
---|
2148 | if (status != TCL_OK) { |
---|
2149 | const char *string; |
---|
2150 | int nBytes; |
---|
2151 | |
---|
2152 | string = Tcl_GetStringFromObj(Tcl_GetObjResult(interp), &nBytes); |
---|
2153 | struct iovec iov[3]; |
---|
2154 | iov[0].iov_base = (char *)"NanoVis Server Error: "; |
---|
2155 | iov[0].iov_len = strlen((char *)iov[0].iov_base); |
---|
2156 | iov[1].iov_base = (char *)string; |
---|
2157 | iov[1].iov_len = nBytes; |
---|
2158 | iov[2].iov_base = (char *)'\n'; |
---|
2159 | iov[2].iov_len = 1; |
---|
2160 | writev(0, iov, 3); |
---|
2161 | return; |
---|
2162 | } |
---|
2163 | |
---|
2164 | // |
---|
2165 | // This is now in "FlowCmd()": |
---|
2166 | // Generate the latest frame and send it back to the client |
---|
2167 | // |
---|
2168 | /* |
---|
2169 | if (NanoVis::licRenderer && NanoVis::licRenderer->isActivated()) |
---|
2170 | { |
---|
2171 | NanoVis::licRenderer->convolve(); |
---|
2172 | } |
---|
2173 | |
---|
2174 | if (NanoVis::particleRenderer && NanoVis::particleRenderer->isActivated()) |
---|
2175 | { |
---|
2176 | NanoVis::particleRenderer->advect(); |
---|
2177 | } |
---|
2178 | */ |
---|
2179 | |
---|
2180 | NanoVis::update(); |
---|
2181 | |
---|
2182 | NanoVis::offscreen_buffer_capture(); //enable offscreen render |
---|
2183 | |
---|
2184 | NanoVis::display(); |
---|
2185 | |
---|
2186 | // INSOO |
---|
2187 | #ifdef XINETD |
---|
2188 | NanoVis::read_screen(); |
---|
2189 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); |
---|
2190 | #else |
---|
2191 | NanoVis::display_offscreen_buffer(); //display the final rendering on screen |
---|
2192 | NanoVis::read_screen(); |
---|
2193 | glutSwapBuffers(); |
---|
2194 | #endif |
---|
2195 | |
---|
2196 | #if DO_RLE |
---|
2197 | do_rle(); |
---|
2198 | int sizes[2] = { offsets_size*sizeof(offsets[0]), rle_size }; |
---|
2199 | fprintf(stderr, "Writing %d,%d\n", sizes[0], sizes[1]); fflush(stderr); |
---|
2200 | write(0, &sizes, sizeof(sizes)); |
---|
2201 | write(0, offsets, offsets_size*sizeof(offsets[0])); |
---|
2202 | write(0, rle, rle_size); //unsigned byte |
---|
2203 | #else |
---|
2204 | NanoVis::ppm_write("nv>image -bytes"); |
---|
2205 | #endif |
---|
2206 | } |
---|
2207 | |
---|
2208 | |
---|
2209 | /*----------------------------------------------------*/ |
---|
2210 | int |
---|
2211 | main(int argc, char** argv) |
---|
2212 | { |
---|
2213 | const char *path; |
---|
2214 | char *newPath; |
---|
2215 | struct timeval tv; |
---|
2216 | |
---|
2217 | newPath = NULL; |
---|
2218 | path = NULL; |
---|
2219 | NanoVis::stdin = stdin; |
---|
2220 | NanoVis::logfile = stderr; |
---|
2221 | |
---|
2222 | gettimeofday(&tv, NULL); |
---|
2223 | stats.start = tv; |
---|
2224 | |
---|
2225 | while (1) { |
---|
2226 | static struct option long_options[] = { |
---|
2227 | {"infile", required_argument, NULL, 0}, |
---|
2228 | {"logfile", required_argument, NULL, 1}, |
---|
2229 | {"path", required_argument, NULL, 2}, |
---|
2230 | {"debug", no_argument, NULL, 3}, |
---|
2231 | {0, 0, 0, 0} |
---|
2232 | }; |
---|
2233 | int option_index = 0; |
---|
2234 | int c; |
---|
2235 | |
---|
2236 | c = getopt_long(argc, argv, ":dp:i:l:", long_options, &option_index); |
---|
2237 | if (c == -1) { |
---|
2238 | break; |
---|
2239 | } |
---|
2240 | switch (c) { |
---|
2241 | case '?': |
---|
2242 | fprintf(stderr, "unknown option -%c\n", optopt); |
---|
2243 | return 1; |
---|
2244 | case ':': |
---|
2245 | if (optopt < 4) { |
---|
2246 | fprintf(stderr, "argument missing for --%s option\n", |
---|
2247 | long_options[optopt].name); |
---|
2248 | } else { |
---|
2249 | fprintf(stderr, "argument missing for -%c option\n", optopt); |
---|
2250 | } |
---|
2251 | return 1; |
---|
2252 | case 2: |
---|
2253 | case 'p': |
---|
2254 | path = optarg; |
---|
2255 | break; |
---|
2256 | case 3: |
---|
2257 | case 'd': |
---|
2258 | debug_flag = true; |
---|
2259 | break; |
---|
2260 | case 0: |
---|
2261 | case 'i': |
---|
2262 | fprintf(stderr, "opening infile %s\n", optarg); |
---|
2263 | NanoVis::stdin = fopen(optarg, "r"); |
---|
2264 | if (NanoVis::stdin == NULL) { |
---|
2265 | perror(optarg); |
---|
2266 | return 2; |
---|
2267 | } |
---|
2268 | break; |
---|
2269 | case 1: |
---|
2270 | case 'l': |
---|
2271 | fprintf(stderr, "opening logfile %s\n", optarg); |
---|
2272 | NanoVis::logfile = fopen(optarg, "w"); |
---|
2273 | if (NanoVis::logfile == NULL) { |
---|
2274 | perror(optarg); |
---|
2275 | return 2; |
---|
2276 | } |
---|
2277 | break; |
---|
2278 | default: |
---|
2279 | fprintf(stderr,"unknown option '%c'.\n", c); |
---|
2280 | return 1; |
---|
2281 | } |
---|
2282 | } |
---|
2283 | if (path == NULL) { |
---|
2284 | char *p; |
---|
2285 | |
---|
2286 | // See if we can derive the path from the location of the program. |
---|
2287 | // Assume program is in the form <path>/bin/nanovis. |
---|
2288 | |
---|
2289 | path = argv[0]; |
---|
2290 | p = strrchr(path, '/'); |
---|
2291 | if (p != NULL) { |
---|
2292 | *p = '\0'; |
---|
2293 | p = strrchr(path, '/'); |
---|
2294 | } |
---|
2295 | if (p == NULL) { |
---|
2296 | fprintf(stderr, "path not specified\n"); |
---|
2297 | return 1; |
---|
2298 | } |
---|
2299 | *p = '\0'; |
---|
2300 | newPath = new char[(strlen(path) + 15) * 2 + 1]; |
---|
2301 | sprintf(newPath, "%s/lib/shaders:%s/lib/resources", path, path); |
---|
2302 | path = newPath; |
---|
2303 | } |
---|
2304 | R2FilePath::getInstance()->setWorkingDirectory(argc, (const char**) argv); |
---|
2305 | |
---|
2306 | #ifdef XINETD |
---|
2307 | signal(SIGPIPE,SIG_IGN); |
---|
2308 | NvInitService(); |
---|
2309 | #endif |
---|
2310 | |
---|
2311 | glutInit(&argc, argv); |
---|
2312 | glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA); |
---|
2313 | |
---|
2314 | glutInitWindowSize(NanoVis::win_width, NanoVis::win_height); |
---|
2315 | |
---|
2316 | glutInitWindowPosition(10, 10); |
---|
2317 | render_window = glutCreateWindow(argv[0]); |
---|
2318 | glutDisplayFunc(NanoVis::display); |
---|
2319 | |
---|
2320 | #ifndef XINETD |
---|
2321 | glutMouseFunc(NanoVis::mouse); |
---|
2322 | glutMotionFunc(NanoVis::motion); |
---|
2323 | glutKeyboardFunc(NanoVis::keyboard); |
---|
2324 | #endif |
---|
2325 | |
---|
2326 | glutIdleFunc(idle); |
---|
2327 | glutReshapeFunc(NanoVis::resize_offscreen_buffer); |
---|
2328 | |
---|
2329 | NanoVis::init(path); |
---|
2330 | if (newPath != NULL) { |
---|
2331 | delete [] newPath; |
---|
2332 | } |
---|
2333 | NanoVis::initGL(); |
---|
2334 | Tcl_DStringInit(&NanoVis::cmdbuffer); |
---|
2335 | NanoVis::interp = initTcl(); |
---|
2336 | |
---|
2337 | #ifdef EVENTLOG |
---|
2338 | NvInitEventLog(); |
---|
2339 | #endif |
---|
2340 | //event loop |
---|
2341 | glutMainLoop(); |
---|
2342 | |
---|
2343 | DoExit(0); |
---|
2344 | } |
---|
2345 | |
---|
2346 | int |
---|
2347 | NanoVis::render_2d_contour(HeightMap* heightmap, int width, int height) |
---|
2348 | { |
---|
2349 | int old_width = win_width; |
---|
2350 | int old_height = win_height; |
---|
2351 | |
---|
2352 | resize_offscreen_buffer(width, height); |
---|
2353 | |
---|
2354 | /* |
---|
2355 | plane_render->set_screen_size(width, height); |
---|
2356 | |
---|
2357 | // generate data for the legend |
---|
2358 | float data[512]; |
---|
2359 | for (int i=0; i < 256; i++) { |
---|
2360 | data[i] = data[i+256] = (float)(i/255.0); |
---|
2361 | } |
---|
2362 | plane[0] = new Texture2D(256, 2, GL_FLOAT, GL_LINEAR, 1, data); |
---|
2363 | int index = plane_render->add_plane(plane[0], tf); |
---|
2364 | plane_render->set_active_plane(index); |
---|
2365 | |
---|
2366 | offscreen_buffer_capture(); |
---|
2367 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear screen |
---|
2368 | |
---|
2369 | //plane_render->render(); |
---|
2370 | // INSOO : is going to implement here for the topview of the heightmap |
---|
2371 | heightmap->render(renderContext); |
---|
2372 | |
---|
2373 | // INSOO |
---|
2374 | glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, screen_buffer); |
---|
2375 | //glReadPixels(0, 0, width, height, GL_BGR, GL_UNSIGNED_BYTE, screen_buffer); // INSOO's |
---|
2376 | */ |
---|
2377 | |
---|
2378 | |
---|
2379 | // HELP ME |
---|
2380 | // GEORGE |
---|
2381 | // I am not sure what I should do |
---|
2382 | //char prefix[200]; |
---|
2383 | //sprintf(prefix, "nv>height_top_view %s %g %g", volArg, min, max); |
---|
2384 | //ppm_write(prefix); |
---|
2385 | //write(0, "\n", 1); |
---|
2386 | |
---|
2387 | |
---|
2388 | |
---|
2389 | |
---|
2390 | //plane_render->remove_plane(index); |
---|
2391 | |
---|
2392 | resize_offscreen_buffer(old_width, old_height); |
---|
2393 | |
---|
2394 | return TCL_OK; |
---|
2395 | } |
---|