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 <assert.h> |
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19 | #include <fcntl.h> |
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20 | #include <fstream> |
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21 | #include <getopt.h> |
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22 | #include <iostream> |
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23 | #include <math.h> |
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24 | #include <memory.h> |
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25 | #include <signal.h> |
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26 | #include <sstream> |
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27 | #include <stdio.h> |
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28 | #include <stdlib.h> |
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29 | #include <string> |
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30 | #include <sys/resource.h> |
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31 | #include <sys/time.h> |
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32 | #include <sys/times.h> |
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33 | #include <sys/types.h> |
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34 | #include <time.h> |
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35 | #include <unistd.h> |
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36 | |
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37 | #include "Nv.h" |
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38 | #include "PointSetRenderer.h" |
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39 | #include "PointSet.h" |
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40 | #include "Util.h" |
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41 | #include <NvLIC.h> |
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42 | #include <Trace.h> |
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43 | |
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44 | #include "nanovis.h" |
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45 | #include "define.h" |
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46 | #include "RpField1D.h" |
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47 | #include "RpFieldRect3D.h" |
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48 | #include "RpFieldPrism3D.h" |
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49 | #include "RpEncode.h" |
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50 | |
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51 | #include "ZincBlendeVolume.h" |
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52 | #include "NvLoadFile.h" |
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53 | #include "NvColorTableRenderer.h" |
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54 | #include "NvEventLog.h" |
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55 | #include "NvZincBlendeReconstructor.h" |
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56 | #include "NvFlowVisRenderer.h" |
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57 | #include "HeightMap.h" |
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58 | #include "Grid.h" |
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59 | #include "VolumeInterpolator.h" |
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60 | #include <RenderContext.h> |
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61 | |
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62 | #include <BMPImageLoaderImpl.h> |
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63 | #include <ImageLoaderFactory.h> |
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64 | |
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65 | //#define _LOCAL_ZINC_TEST_ |
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66 | |
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67 | // R2 headers |
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68 | #include <R2/R2FilePath.h> |
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69 | #include <R2/R2Fonts.h> |
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70 | |
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71 | #include "Unirect.h" |
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72 | #include "Switch.h" |
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73 | #include "FlowCmd.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 | extern bool load_vector_stream2(Rappture::Outcome &result, int index, |
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79 | size_t length, char *string); |
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80 | |
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81 | // Indicates "up" axis: x=1, y=2, z=3, -x=-1, -y=-2, -z=-3 |
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82 | enum AxisDirections { |
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83 | X_POS = 1, Y_POS = 2, Z_POS = 3, X_NEG = -1, Y_NEG = -2, Z_NEG = -3 |
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84 | }; |
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85 | |
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86 | #define KEEPSTATS 1 |
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87 | |
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88 | #define CVT2SECS(x) ((double)(x).tv_sec) + ((double)(x).tv_usec * 1.0e-6) |
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89 | |
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90 | #define TRUE 1 |
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91 | #define FALSE 0 |
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92 | |
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93 | typedef struct { |
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94 | pid_t pid; |
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95 | size_t nFrames; /* # of frames sent to client. */ |
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96 | size_t nBytes; /* # of bytes for all frames. */ |
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97 | size_t nCommands; /* # of commands executed */ |
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98 | double cmdTime; /* Elasped time spend executing commands. */ |
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99 | struct timeval start; /* Start of elapsed time. */ |
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100 | } Stats; |
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101 | |
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102 | static Stats stats; |
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103 | |
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104 | // STATIC MEMBER DATA |
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105 | Grid *NanoVis::grid = NULL; |
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106 | int NanoVis::updir = Y_POS; |
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107 | NvCamera* NanoVis::cam = NULL; |
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108 | int NanoVis::n_volumes = 0; |
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109 | vector<Volume*> NanoVis::volume; |
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110 | vector<HeightMap*> NanoVis::heightMap; |
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111 | VolumeRenderer* NanoVis::vol_renderer = 0; |
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112 | PointSetRenderer* NanoVis::pointset_renderer = 0; |
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113 | vector<PointSet*> NanoVis::pointSet; |
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114 | PlaneRenderer* NanoVis::plane_render = 0; |
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115 | Texture2D* NanoVis::plane[10]; |
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116 | NvColorTableRenderer* NanoVis::color_table_renderer = 0; |
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117 | |
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118 | #ifndef NEW_FLOW_ENGINE |
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119 | NvParticleRenderer* NanoVis::flowVisRenderer = 0; |
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120 | #else |
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121 | NvFlowVisRenderer* NanoVis::flowVisRenderer = 0; |
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122 | #endif |
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123 | |
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124 | graphics::RenderContext* NanoVis::renderContext = 0; |
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125 | NvLIC* NanoVis::licRenderer = 0; |
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126 | R2Fonts* NanoVis::fonts; |
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127 | |
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128 | FILE *NanoVis::stdin = NULL; |
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129 | FILE *NanoVis::logfile = NULL; |
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130 | FILE *NanoVis::recfile = NULL; |
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131 | |
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132 | bool NanoVis::axis_on = true; |
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133 | bool NanoVis::config_pending = false; |
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134 | bool NanoVis::debug_flag = false; |
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135 | |
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136 | Tcl_Interp *NanoVis::interp; |
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137 | Tcl_DString NanoVis::cmdbuffer; |
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138 | |
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139 | //frame buffer for final rendering |
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140 | NVISid NanoVis::final_color_tex = 0; |
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141 | NVISid NanoVis::final_depth_rb = 0; |
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142 | NVISid NanoVis::final_fbo = 0; |
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143 | int NanoVis::render_window = 0; /* GLUT handle for the render window */ |
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144 | int NanoVis::win_width = NPIX; /* Width of the render window */ |
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145 | int NanoVis::win_height = NPIX; /* Height of the render window */ |
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146 | |
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147 | unsigned char* NanoVis::screen_buffer = NULL; |
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148 | |
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149 | /* FIXME: This variable is always true. */ |
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150 | bool volume_mode = true; |
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151 | |
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152 | // in Command.cpp |
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153 | extern Tcl_Interp *initTcl(); |
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154 | |
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155 | float vert[NMESH*NMESH*3]; //particle positions in main memory |
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156 | float slice_vector[NMESH*NMESH*4]; //per slice vectors in main memory |
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157 | |
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158 | // maps transfunc name to TransferFunction object |
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159 | static Tcl_HashTable tftable; |
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160 | |
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161 | // pointers to 2D planes, currently handle up 10 |
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162 | |
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163 | |
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164 | PerfQuery* perf; //perfromance counter |
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165 | |
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166 | CGprogram m_passthru_fprog; |
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167 | CGparameter m_passthru_scale_param, m_passthru_bias_param; |
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168 | |
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169 | // Variables for mouse events |
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170 | |
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171 | // Default camera rotation angles. |
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172 | const float def_rot_x = 90.0f; |
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173 | const float def_rot_y = 180.0f; |
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174 | const float def_rot_z = -135.0f; |
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175 | |
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176 | // Default camera target. |
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177 | const float def_target_x = 0.0f; |
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178 | const float def_target_y = 0.0f; |
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179 | const float def_target_z = 100.0f; |
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180 | |
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181 | // Default camera location. |
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182 | const float def_eye_x = -0.0f; |
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183 | const float def_eye_y = -0.0f; |
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184 | const float def_eye_z = -2.5f; |
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185 | |
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186 | |
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187 | #ifndef XINETD |
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188 | // Last locations mouse events |
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189 | static int left_last_x; |
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190 | static int left_last_y; |
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191 | static int right_last_x; |
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192 | static int right_last_y; |
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193 | static bool left_down = false; |
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194 | static bool right_down = false; |
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195 | #endif /*XINETD*/ |
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196 | |
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197 | // Image based flow visualization slice location |
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198 | // FLOW |
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199 | float NanoVis::lic_slice_x = 0.5f; |
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200 | float NanoVis::lic_slice_y = 0.5f; |
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201 | float NanoVis::lic_slice_z = 0.5f; |
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202 | int NanoVis::lic_axis = 2; // z axis |
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203 | |
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204 | using namespace std; |
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205 | |
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206 | #define RM_VOLUME 1 |
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207 | #define RM_POINT 2 |
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208 | |
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209 | int renderMode = RM_VOLUME; |
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210 | |
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211 | /* |
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212 | * ---------------------------------------------------------------------- |
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213 | * USAGE: debug("string", ...) |
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214 | * |
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215 | * Use this anywhere within the package to send a debug message |
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216 | * back to the client. The string can have % fields as used by |
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217 | * the printf() package. Any remaining arguments are treated as |
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218 | * field substitutions on that. |
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219 | * ---------------------------------------------------------------------- |
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220 | */ |
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221 | void |
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222 | debug(char *str) |
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223 | { |
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224 | ssize_t nWritten; |
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225 | |
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226 | nWritten = write(0, str, strlen(str)); |
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227 | } |
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228 | |
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229 | void |
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230 | debug(char *str, double v1) |
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231 | { |
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232 | char buffer[512]; |
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233 | sprintf(buffer, str, v1); |
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234 | debug(buffer); |
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235 | } |
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236 | |
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237 | void |
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238 | debug(char *str, double v1, double v2) |
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239 | { |
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240 | char buffer[512]; |
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241 | sprintf(buffer, str, v1, v2); |
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242 | debug(buffer); |
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243 | } |
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244 | |
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245 | void |
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246 | debug(char *str, double v1, double v2, double v3) |
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247 | { |
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248 | char buffer[512]; |
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249 | sprintf(buffer, str, v1, v2, v3); |
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250 | debug(buffer); |
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251 | } |
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252 | |
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253 | void removeAllData() |
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254 | { |
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255 | // |
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256 | } |
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257 | |
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258 | |
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259 | #if KEEPSTATS |
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260 | |
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261 | static int |
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262 | WriteStats(const char *who, int code) |
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263 | { |
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264 | double start, finish; |
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265 | pid_t pid; |
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266 | char buf[BUFSIZ]; |
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267 | Tcl_DString ds; |
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268 | |
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269 | { |
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270 | struct timeval tv; |
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271 | |
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272 | /* Get ending time. */ |
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273 | gettimeofday(&tv, NULL); |
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274 | finish = CVT2SECS(tv); |
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275 | tv = stats.start; |
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276 | start = CVT2SECS(tv); |
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277 | } |
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278 | pid = getpid(); |
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279 | Tcl_DStringInit(&ds); |
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280 | |
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281 | sprintf(buf, "<session server=\"%s\" ", who); |
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282 | Tcl_DStringAppend(&ds, buf, -1); |
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283 | |
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284 | gethostname(buf, BUFSIZ-1); |
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285 | buf[BUFSIZ-1] = '\0'; |
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286 | Tcl_DStringAppend(&ds, "host=\"", -1); |
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287 | Tcl_DStringAppend(&ds, buf, -1); |
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288 | Tcl_DStringAppend(&ds, "\" ", -1); |
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289 | |
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290 | strcpy(buf, ctime(&stats.start.tv_sec)); |
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291 | buf[strlen(buf) - 1] = '\0'; |
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292 | Tcl_DStringAppend(&ds, "date=\"", -1); |
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293 | Tcl_DStringAppend(&ds, buf, -1); |
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294 | Tcl_DStringAppend(&ds, "\" ", -1); |
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295 | |
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296 | sprintf(buf, "date_secs=\"%ld\" ", stats.start.tv_sec); |
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297 | Tcl_DStringAppend(&ds, buf, -1); |
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298 | |
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299 | sprintf(buf, "pid=\"%d\" ", pid); |
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300 | Tcl_DStringAppend(&ds, buf, -1); |
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301 | sprintf(buf, "num_frames=\"%lu\" ", (unsigned long int)stats.nFrames); |
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302 | Tcl_DStringAppend(&ds, buf, -1); |
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303 | sprintf(buf, "frame_bytes=\"%lu\" ", (unsigned long int)stats.nBytes); |
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304 | Tcl_DStringAppend(&ds, buf, -1); |
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305 | sprintf(buf, "num_commands=\"%lu\" ", (unsigned long int)stats.nCommands); |
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306 | Tcl_DStringAppend(&ds, buf, -1); |
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307 | sprintf(buf, "cmd_time=\"%g\" ", stats.cmdTime); |
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308 | Tcl_DStringAppend(&ds, buf, -1); |
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309 | sprintf(buf, "session_time=\"%g\" ", finish - start); |
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310 | Tcl_DStringAppend(&ds, buf, -1); |
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311 | sprintf(buf, "status=\"%d\" ", code); |
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312 | Tcl_DStringAppend(&ds, buf, -1); |
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313 | { |
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314 | long clocksPerSec = sysconf(_SC_CLK_TCK); |
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315 | double clockRes = 1.0 / clocksPerSec; |
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316 | struct tms tms; |
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317 | |
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318 | memset(&tms, 0, sizeof(tms)); |
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319 | times(&tms); |
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320 | sprintf(buf, "utime=\"%g\" ", tms.tms_utime * clockRes); |
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321 | Tcl_DStringAppend(&ds, buf, -1); |
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322 | sprintf(buf, "stime=\"%g\" ", tms.tms_stime * clockRes); |
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323 | Tcl_DStringAppend(&ds, buf, -1); |
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324 | sprintf(buf, "cutime=\"%g\" ", tms.tms_cutime * clockRes); |
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325 | Tcl_DStringAppend(&ds, buf, -1); |
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326 | sprintf(buf, "cstime=\"%g\" ", tms.tms_cstime * clockRes); |
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327 | Tcl_DStringAppend(&ds, buf, -1); |
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328 | } |
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329 | Tcl_DStringAppend(&ds, "/>\n", -1); |
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330 | |
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331 | { |
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332 | int f; |
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333 | ssize_t length; |
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334 | int result; |
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335 | |
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336 | #define STATSDIR "/var/tmp/visservers" |
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337 | #define STATSFILE STATSDIR "/" "data.xml" |
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338 | if (access(STATSDIR, X_OK) != 0) { |
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339 | mkdir(STATSDIR, 0770); |
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340 | } |
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341 | length = Tcl_DStringLength(&ds); |
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342 | f = open(STATSFILE, O_APPEND | O_CREAT | O_WRONLY, 0600); |
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343 | result = FALSE; |
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344 | if (f < 0) { |
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345 | goto error; |
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346 | } |
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347 | if (write(f, Tcl_DStringValue(&ds), length) != length) { |
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348 | goto error; |
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349 | } |
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350 | result = TRUE; |
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351 | error: |
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352 | if (f >= 0) { |
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353 | close(f); |
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354 | } |
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355 | Tcl_DStringFree(&ds); |
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356 | return result; |
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357 | } |
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358 | } |
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359 | #endif |
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360 | |
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361 | static void |
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362 | DoExit(int code) |
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363 | { |
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364 | if (NanoVis::debug_flag) { |
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365 | fprintf(stderr, "in DoExit\n"); |
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366 | } |
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367 | removeAllData(); |
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368 | NvExit(); |
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369 | #if KEEPSTATS |
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370 | WriteStats("nanovis", code); |
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371 | #endif |
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372 | exit(code); |
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373 | } |
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374 | |
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375 | //report errors related to CG shaders |
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376 | void |
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377 | cgErrorCallback(void) |
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378 | { |
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379 | CGerror lastError = cgGetError(); |
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380 | if(lastError) { |
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381 | const char *listing = cgGetLastListing(g_context); |
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382 | Trace("\n---------------------------------------------------\n"); |
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383 | Trace("%s\n\n", cgGetErrorString(lastError)); |
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384 | Trace("%s\n", listing); |
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385 | Trace("-----------------------------------------------------\n"); |
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386 | Trace("Cg error, exiting...\n"); |
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387 | cgDestroyContext(g_context); |
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388 | DoExit(-1); |
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389 | } |
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390 | } |
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391 | |
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392 | |
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393 | CGprogram |
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394 | LoadCgSourceProgram(CGcontext context, const char *fileName, CGprofile profile, |
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395 | const char *entryPoint) |
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396 | { |
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397 | const char *path = R2FilePath::getInstance()->getPath(fileName); |
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398 | if (path == NULL) { |
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399 | fprintf(stderr, "can't find program \"%s\"\n", fileName); |
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400 | assert(path != NULL); |
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401 | } |
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402 | printf("cg program compiling: %s\n", path); |
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403 | fflush(stdout); |
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404 | CGprogram program; |
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405 | program = cgCreateProgramFromFile(context, CG_SOURCE, path, profile, |
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406 | entryPoint, NULL); |
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407 | cgGLLoadProgram(program); |
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408 | |
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409 | CGerror LastError = cgGetError(); |
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410 | if (LastError) |
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411 | { |
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412 | printf("Error message: %s\n", cgGetLastListing(context)); |
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413 | } |
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414 | |
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415 | delete [] path; |
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416 | |
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417 | return program; |
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418 | } |
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419 | |
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420 | static int |
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421 | ExecuteCommand(Tcl_Interp *interp, Tcl_DString *dsPtr) |
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422 | { |
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423 | struct timeval tv; |
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424 | double start, finish; |
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425 | int result; |
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426 | |
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427 | #ifdef notdef |
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428 | if (NanoVis::debug_flag) { |
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429 | fprintf(stderr, "in ExecuteCommand(%s)\n", Tcl_DStringValue(dsPtr)); |
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430 | } |
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431 | #endif |
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432 | gettimeofday(&tv, NULL); |
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433 | start = CVT2SECS(tv); |
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434 | |
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435 | #ifdef notdef |
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436 | if (NanoVis::logfile != NULL) { |
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437 | fprintf(NanoVis::logfile, "%s", Tcl_DStringValue(dsPtr)); |
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438 | fflush(NanoVis::logfile); |
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439 | } |
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440 | #endif |
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441 | if (NanoVis::recfile != NULL) { |
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442 | fprintf(NanoVis::recfile, "%s", Tcl_DStringValue(dsPtr)); |
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443 | fflush(NanoVis::recfile); |
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444 | } |
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445 | result = Tcl_Eval(interp, Tcl_DStringValue(dsPtr)); |
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446 | Tcl_DStringSetLength(dsPtr, 0); |
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447 | |
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448 | gettimeofday(&tv, NULL); |
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449 | finish = CVT2SECS(tv); |
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450 | |
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451 | stats.cmdTime += finish - start; |
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452 | stats.nCommands++; |
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453 | #ifdef notdef |
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454 | if (NanoVis::debug_flag) { |
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455 | fprintf(stderr, "leaving ExecuteCommand status=%d\n", result); |
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456 | } |
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457 | #endif |
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458 | return result; |
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459 | } |
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460 | |
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461 | void |
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462 | NanoVis::pan(float dx, float dy) |
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463 | { |
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464 | /* Move the camera and its target by equal amounts along the x and y |
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465 | * axes. */ |
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466 | fprintf(stderr, "x=%f, y=%f\n", dx, dy); |
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467 | |
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468 | cam->x(def_eye_x + dx); |
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469 | cam->y(def_eye_y + dy); |
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470 | fprintf(stderr, "set eye to %f %f\n", cam->x(), cam->y()); |
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471 | |
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472 | cam->xAim(def_target_x + dx); |
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473 | cam->yAim(def_target_y + dy); |
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474 | fprintf(stderr, "set aim to %f %f\n", cam->xAim(), cam->yAim()); |
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475 | } |
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476 | |
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477 | |
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478 | /* Load a 3D volume |
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479 | * index: the index into the volume array, which stores pointers |
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480 | * to 3D volume instances |
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481 | * data: pointer to an array of floats. |
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482 | * n_component: the number of scalars for each space point. All component |
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483 | * scalars for a point are placed consequtively in data array |
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484 | * width, height and depth: number of points in each dimension |
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485 | */ |
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486 | Volume * |
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487 | NanoVis::load_volume(int index, int width, int height, int depth, |
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488 | int n_component, float* data, double vmin, |
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489 | double vmax, double nzero_min) |
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490 | { |
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491 | while (n_volumes <= index) { |
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492 | volume.push_back(NULL); |
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493 | n_volumes++; |
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494 | } |
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495 | |
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496 | Volume* vol = volume[index]; |
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497 | if (vol != NULL) { |
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498 | volume[index] = NULL; |
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499 | |
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500 | if (vol->pointsetIndex != -1) { |
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501 | if (((unsigned int) vol->pointsetIndex) < pointSet.size() && |
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502 | pointSet[vol->pointsetIndex] != NULL) { |
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503 | delete pointSet[vol->pointsetIndex]; |
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504 | pointSet[vol->pointsetIndex] = 0; |
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505 | } |
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506 | } |
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507 | delete vol; |
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508 | } |
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509 | volume[index] = new Volume(0.f, 0.f, 0.f, width, height, depth, 1., |
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510 | n_component, data, vmin, vmax, nzero_min); |
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511 | fprintf(stderr, "VOLINDEX=%d, n_volumes=%d\n", index, n_volumes); |
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512 | return volume[index]; |
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513 | } |
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514 | |
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515 | // Gets a colormap 1D texture by name. |
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516 | TransferFunction* |
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517 | NanoVis::get_transfunc(const char *name) |
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518 | { |
---|
519 | Tcl_HashEntry *hPtr; |
---|
520 | |
---|
521 | hPtr = Tcl_FindHashEntry(&tftable, name); |
---|
522 | if (hPtr == NULL) { |
---|
523 | return NULL; |
---|
524 | } |
---|
525 | return (TransferFunction*)Tcl_GetHashValue(hPtr); |
---|
526 | } |
---|
527 | |
---|
528 | // Creates of updates a colormap 1D texture by name. |
---|
529 | TransferFunction* |
---|
530 | NanoVis::DefineTransferFunction(const char *name, size_t n, float *data) |
---|
531 | { |
---|
532 | int isNew; |
---|
533 | Tcl_HashEntry *hPtr; |
---|
534 | TransferFunction *tf; |
---|
535 | |
---|
536 | hPtr = Tcl_CreateHashEntry(&tftable, name, &isNew); |
---|
537 | if (isNew) { |
---|
538 | tf = new TransferFunction(n, data); |
---|
539 | Tcl_SetHashValue(hPtr, (ClientData)tf); |
---|
540 | } else { |
---|
541 | /* |
---|
542 | * You can't delete the transfer function because many |
---|
543 | * objects may be holding its pointer. We must update it. |
---|
544 | */ |
---|
545 | tf = (TransferFunction *)Tcl_GetHashValue(hPtr); |
---|
546 | tf->update(n, data); |
---|
547 | } |
---|
548 | return tf; |
---|
549 | } |
---|
550 | |
---|
551 | int |
---|
552 | NanoVis::render_legend(TransferFunction *tf, double min, double max, |
---|
553 | int width, int height, const char* volArg) |
---|
554 | { |
---|
555 | if (debug_flag) { |
---|
556 | fprintf(stderr, "in render_legend\n"); |
---|
557 | } |
---|
558 | int old_width = win_width; |
---|
559 | int old_height = win_height; |
---|
560 | |
---|
561 | plane_render->set_screen_size(width, height); |
---|
562 | resize_offscreen_buffer(width, height); |
---|
563 | |
---|
564 | // generate data for the legend |
---|
565 | float data[512]; |
---|
566 | for (int i=0; i < 256; i++) { |
---|
567 | data[i] = data[i+256] = (float)(i/255.0); |
---|
568 | } |
---|
569 | plane[0] = new Texture2D(256, 2, GL_FLOAT, GL_LINEAR, 1, data); |
---|
570 | int index = plane_render->add_plane(plane[0], tf); |
---|
571 | plane_render->set_active_plane(index); |
---|
572 | |
---|
573 | offscreen_buffer_capture(); |
---|
574 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear screen |
---|
575 | plane_render->render(); |
---|
576 | |
---|
577 | // INSOO |
---|
578 | glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, screen_buffer); |
---|
579 | //glReadPixels(0, 0, width, height, GL_BGR, GL_UNSIGNED_BYTE, screen_buffer); // INSOO's |
---|
580 | |
---|
581 | if (debug_flag) { |
---|
582 | fprintf(stderr, "ppm legend image not written (debug mode)\n"); |
---|
583 | } else { |
---|
584 | char prefix[200]; |
---|
585 | ssize_t nWritten; |
---|
586 | |
---|
587 | sprintf(prefix, "nv>legend %s %g %g", volArg, min, max); |
---|
588 | ppm_write(prefix); |
---|
589 | nWritten = write(0, "\n", 1); |
---|
590 | assert(nWritten == 1); |
---|
591 | } |
---|
592 | plane_render->remove_plane(index); |
---|
593 | resize_offscreen_buffer(old_width, old_height); |
---|
594 | |
---|
595 | if (debug_flag) { |
---|
596 | fprintf(stderr, "leaving render_legend\n"); |
---|
597 | } |
---|
598 | return TCL_OK; |
---|
599 | } |
---|
600 | |
---|
601 | //initialize frame buffer objects for offscreen rendering |
---|
602 | void |
---|
603 | NanoVis::init_offscreen_buffer() |
---|
604 | { |
---|
605 | if (debug_flag) { |
---|
606 | fprintf(stderr, "in init_offscreen_buffer\n"); |
---|
607 | } |
---|
608 | // Initialize a fbo for final display. |
---|
609 | glGenFramebuffersEXT(1, &final_fbo); |
---|
610 | |
---|
611 | glGenTextures(1, &final_color_tex); |
---|
612 | glBindTexture(GL_TEXTURE_2D, final_color_tex); |
---|
613 | |
---|
614 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
---|
615 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
---|
616 | #ifdef NV40 |
---|
617 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, win_width, win_height, 0, |
---|
618 | GL_RGB, GL_INT, NULL); |
---|
619 | #else |
---|
620 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, win_width, win_height, 0, |
---|
621 | GL_RGB, GL_INT, NULL); |
---|
622 | #endif |
---|
623 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, final_fbo); |
---|
624 | glGenRenderbuffersEXT(1, &final_depth_rb); |
---|
625 | glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, final_depth_rb); |
---|
626 | glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT24, |
---|
627 | win_width, win_height); |
---|
628 | glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, |
---|
629 | GL_TEXTURE_2D, final_color_tex, 0); |
---|
630 | glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, |
---|
631 | GL_RENDERBUFFER_EXT, final_depth_rb); |
---|
632 | |
---|
633 | GLenum status; |
---|
634 | if (!CheckFBO(&status)) { |
---|
635 | PrintFBOStatus(status, "final_fbo"); |
---|
636 | DoExit(3); |
---|
637 | } |
---|
638 | |
---|
639 | // Check framebuffer completeness at the end of initialization. |
---|
640 | //CHECK_FRAMEBUFFER_STATUS(); |
---|
641 | |
---|
642 | //assert(glGetError()==0); |
---|
643 | if (debug_flag) { |
---|
644 | fprintf(stderr, "leaving init_offscreen_buffer\n"); |
---|
645 | } |
---|
646 | } |
---|
647 | |
---|
648 | |
---|
649 | //resize the offscreen buffer |
---|
650 | void |
---|
651 | NanoVis::resize_offscreen_buffer(int w, int h) |
---|
652 | { |
---|
653 | if ((w == win_width) && (h == win_height)) { |
---|
654 | return; |
---|
655 | } |
---|
656 | if (debug_flag) { |
---|
657 | fprintf(stderr, "in resize_offscreen_buffer(%d, %d)\n", w, h); |
---|
658 | } |
---|
659 | |
---|
660 | win_width = w; |
---|
661 | win_height = h; |
---|
662 | |
---|
663 | if (fonts) { |
---|
664 | fonts->resize(w, h); |
---|
665 | } |
---|
666 | //fprintf(stderr, "screen_buffer size: %d\n", sizeof(screen_buffer)); |
---|
667 | if (debug_flag) { |
---|
668 | fprintf(stderr, "screen_buffer size: %d %d\n", w, h); |
---|
669 | } |
---|
670 | |
---|
671 | if (screen_buffer != NULL) { |
---|
672 | delete [] screen_buffer; |
---|
673 | screen_buffer = NULL; |
---|
674 | } |
---|
675 | |
---|
676 | screen_buffer = new unsigned char[4*win_width*win_height]; |
---|
677 | assert(screen_buffer != NULL); |
---|
678 | |
---|
679 | //delete the current render buffer resources |
---|
680 | glDeleteTextures(1, &final_color_tex); |
---|
681 | glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, final_depth_rb); |
---|
682 | glDeleteRenderbuffersEXT(1, &final_depth_rb); |
---|
683 | |
---|
684 | if (debug_flag) { |
---|
685 | fprintf(stderr, "before deleteframebuffers\n"); |
---|
686 | } |
---|
687 | glDeleteFramebuffersEXT(1, &final_fbo); |
---|
688 | |
---|
689 | if (debug_flag) { |
---|
690 | fprintf(stderr, "reinitialize FBO\n"); |
---|
691 | } |
---|
692 | //Reinitialize final fbo for final display |
---|
693 | glGenFramebuffersEXT(1, &final_fbo); |
---|
694 | |
---|
695 | glGenTextures(1, &final_color_tex); |
---|
696 | glBindTexture(GL_TEXTURE_2D, final_color_tex); |
---|
697 | |
---|
698 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
---|
699 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
---|
700 | #ifdef NV40 |
---|
701 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, win_width, win_height, 0, |
---|
702 | GL_RGB, GL_INT, NULL); |
---|
703 | #else |
---|
704 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, win_width, win_height, 0, |
---|
705 | GL_RGB, GL_INT, NULL); |
---|
706 | #endif |
---|
707 | if (debug_flag) { |
---|
708 | fprintf(stderr, "before bindframebuffer\n"); |
---|
709 | } |
---|
710 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, final_fbo); |
---|
711 | if (debug_flag) { |
---|
712 | fprintf(stderr, "after bindframebuffer\n"); |
---|
713 | } |
---|
714 | glGenRenderbuffersEXT(1, &final_depth_rb); |
---|
715 | glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, final_depth_rb); |
---|
716 | glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT24, |
---|
717 | win_width, win_height); |
---|
718 | glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, |
---|
719 | GL_TEXTURE_2D, final_color_tex, 0); |
---|
720 | glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, |
---|
721 | GL_RENDERBUFFER_EXT, final_depth_rb); |
---|
722 | |
---|
723 | GLenum status; |
---|
724 | if (!CheckFBO(&status)) { |
---|
725 | PrintFBOStatus(status, "final_fbo"); |
---|
726 | DoExit(3); |
---|
727 | } |
---|
728 | |
---|
729 | //CHECK_FRAMEBUFFER_STATUS(); |
---|
730 | if (debug_flag) { |
---|
731 | fprintf(stderr, "change camera\n"); |
---|
732 | } |
---|
733 | //change the camera setting |
---|
734 | cam->set_screen_size(0, 0, win_width, win_height); |
---|
735 | plane_render->set_screen_size(win_width, win_height); |
---|
736 | |
---|
737 | if (debug_flag) { |
---|
738 | fprintf(stderr, "leaving resize_offscreen_buffer(%d, %d)\n", w, h); |
---|
739 | } |
---|
740 | } |
---|
741 | |
---|
742 | /* |
---|
743 | * FIXME: This routine is fairly expensive (60000 floating pt divides). |
---|
744 | * I've put an ifdef around the call to it so that the released |
---|
745 | * builds don't include it. Define PROTOTYPE to 1 in config.h |
---|
746 | * to turn it back on. |
---|
747 | */ |
---|
748 | void |
---|
749 | make_test_2D_data() |
---|
750 | { |
---|
751 | int w = 300; |
---|
752 | int h = 200; |
---|
753 | float* data = new float[w*h]; |
---|
754 | |
---|
755 | //procedurally make a gradient plane |
---|
756 | for(int j=0; j<h; j++){ |
---|
757 | for(int i=0; i<w; i++){ |
---|
758 | data[w*j+i] = float(i)/float(w); |
---|
759 | } |
---|
760 | } |
---|
761 | NanoVis::plane[0] = new Texture2D(w, h, GL_FLOAT, GL_LINEAR, 1, data); |
---|
762 | delete[] data; |
---|
763 | } |
---|
764 | |
---|
765 | void NanoVis::initParticle() |
---|
766 | { |
---|
767 | flowVisRenderer->initialize(); |
---|
768 | licRenderer->make_patterns(); |
---|
769 | } |
---|
770 | |
---|
771 | void CgErrorCallback(void) |
---|
772 | { |
---|
773 | CGerror lastError = cgGetError(); |
---|
774 | |
---|
775 | if(lastError) { |
---|
776 | const char *listing = cgGetLastListing(g_context); |
---|
777 | printf("\n---------------------------------------------------\n"); |
---|
778 | printf("%s\n\n", cgGetErrorString(lastError)); |
---|
779 | printf("%s\n", listing); |
---|
780 | printf("-----------------------------------------------------\n"); |
---|
781 | printf("Cg error, exiting...\n"); |
---|
782 | cgDestroyContext(g_context); |
---|
783 | fflush(stdout); |
---|
784 | DoExit(-1); |
---|
785 | } |
---|
786 | } |
---|
787 | |
---|
788 | void NanoVis::init(const char* path) |
---|
789 | { |
---|
790 | // print system information |
---|
791 | fprintf(stderr, |
---|
792 | "-----------------------------------------------------------\n"); |
---|
793 | fprintf(stderr, "OpenGL driver: %s %s\n", glGetString(GL_VENDOR), |
---|
794 | glGetString(GL_VERSION)); |
---|
795 | fprintf(stderr, "Graphics hardware: %s\n", glGetString(GL_RENDERER)); |
---|
796 | fprintf(stderr, |
---|
797 | "-----------------------------------------------------------\n"); |
---|
798 | if (path == NULL) { |
---|
799 | fprintf(stderr, "No path defined for shaders or resources\n"); |
---|
800 | fflush(stderr); |
---|
801 | DoExit(1); |
---|
802 | } |
---|
803 | GLenum err = glewInit(); |
---|
804 | if (GLEW_OK != err) { |
---|
805 | fprintf(stderr, "Error: %s\n", glewGetErrorString(err)); |
---|
806 | getchar(); |
---|
807 | //assert(false); |
---|
808 | } |
---|
809 | fprintf(stdout, "Status: Using GLEW %s\n", glewGetString(GLEW_VERSION)); |
---|
810 | |
---|
811 | if (!R2FilePath::getInstance()->setPath(path)) { |
---|
812 | fprintf(stderr, "can't set file path to %s\n", path); |
---|
813 | fflush(stderr); |
---|
814 | DoExit(1); |
---|
815 | } |
---|
816 | |
---|
817 | NvInitCG(); |
---|
818 | NvShader::setErrorCallback(CgErrorCallback); |
---|
819 | |
---|
820 | fonts = new R2Fonts(); |
---|
821 | fonts->addFont("verdana", "verdana.fnt"); |
---|
822 | fonts->setFont("verdana"); |
---|
823 | |
---|
824 | color_table_renderer = new NvColorTableRenderer(); |
---|
825 | color_table_renderer->setFonts(fonts); |
---|
826 | #ifndef NEW_FLOW_ENGINE |
---|
827 | flowVisRenderer = new NvParticleRenderer(NMESH, NMESH, g_context); |
---|
828 | #else |
---|
829 | flowVisRenderer = new NvFlowVisRenderer(NMESH, NMESH, g_context); |
---|
830 | #endif |
---|
831 | |
---|
832 | |
---|
833 | licRenderer = new NvLIC(NMESH, NPIX, NPIX, lic_axis, |
---|
834 | Vector3(lic_slice_x, lic_slice_y, lic_slice_z), |
---|
835 | g_context); |
---|
836 | |
---|
837 | ImageLoaderFactory::getInstance()->addLoaderImpl("bmp", new BMPImageLoaderImpl()); |
---|
838 | grid = new Grid(); |
---|
839 | grid->setFont(fonts); |
---|
840 | |
---|
841 | #ifdef notdef |
---|
842 | pointset_renderer = new PointSetRenderer(); |
---|
843 | #endif |
---|
844 | } |
---|
845 | |
---|
846 | /*----------------------------------------------------*/ |
---|
847 | void |
---|
848 | NanoVis::initGL(void) |
---|
849 | { |
---|
850 | if (debug_flag) { |
---|
851 | fprintf(stderr, "in initGL\n"); |
---|
852 | } |
---|
853 | //buffer to store data read from the screen |
---|
854 | if (screen_buffer) { |
---|
855 | delete[] screen_buffer; |
---|
856 | screen_buffer = NULL; |
---|
857 | } |
---|
858 | screen_buffer = new unsigned char[4*win_width*win_height]; |
---|
859 | assert(screen_buffer != NULL); |
---|
860 | |
---|
861 | //create the camera with default setting |
---|
862 | cam = new NvCamera(0, 0, win_width, win_height, |
---|
863 | def_eye_x, def_eye_y, def_eye_z, /* location. */ |
---|
864 | def_target_x, def_target_y, def_target_z, /* target. */ |
---|
865 | def_rot_x, def_rot_y, def_rot_z); /* angle. */ |
---|
866 | |
---|
867 | glEnable(GL_TEXTURE_2D); |
---|
868 | glShadeModel(GL_FLAT); |
---|
869 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
---|
870 | |
---|
871 | glClearColor(0,0,0,1); |
---|
872 | //glClearColor(0.7,0.7,0.7,1); |
---|
873 | glClear(GL_COLOR_BUFFER_BIT); |
---|
874 | |
---|
875 | //initialize lighting |
---|
876 | GLfloat mat_specular[] = {1.0, 1.0, 1.0, 1.0}; |
---|
877 | GLfloat mat_shininess[] = {30.0}; |
---|
878 | GLfloat white_light[] = {1.0, 1.0, 1.0, 1.0}; |
---|
879 | GLfloat green_light[] = {0.1, 0.5, 0.1, 1.0}; |
---|
880 | |
---|
881 | glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular); |
---|
882 | glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess); |
---|
883 | glLightfv(GL_LIGHT0, GL_DIFFUSE, white_light); |
---|
884 | glLightfv(GL_LIGHT0, GL_SPECULAR, white_light); |
---|
885 | glLightfv(GL_LIGHT1, GL_DIFFUSE, green_light); |
---|
886 | glLightfv(GL_LIGHT1, GL_SPECULAR, white_light); |
---|
887 | |
---|
888 | // init table of transfer functions |
---|
889 | Tcl_InitHashTable(&tftable, TCL_STRING_KEYS); |
---|
890 | |
---|
891 | //check if performance query is supported |
---|
892 | if(check_query_support()){ |
---|
893 | //create queries to count number of rendered pixels |
---|
894 | perf = new PerfQuery(); |
---|
895 | } |
---|
896 | |
---|
897 | init_offscreen_buffer(); //frame buffer object for offscreen rendering |
---|
898 | |
---|
899 | //create volume renderer and add volumes to it |
---|
900 | vol_renderer = new VolumeRenderer(); |
---|
901 | |
---|
902 | // create |
---|
903 | renderContext = new graphics::RenderContext(); |
---|
904 | |
---|
905 | //create an 2D plane renderer |
---|
906 | plane_render = new PlaneRenderer(g_context, win_width, win_height); |
---|
907 | #if PROTOTYPE |
---|
908 | make_test_2D_data(); |
---|
909 | #endif /* PROTOTYPE */ |
---|
910 | plane_render->add_plane(plane[0], get_transfunc("default")); |
---|
911 | |
---|
912 | //assert(glGetError()==0); |
---|
913 | |
---|
914 | if (debug_flag) { |
---|
915 | fprintf(stderr, "leaving initGL\n"); |
---|
916 | } |
---|
917 | } |
---|
918 | |
---|
919 | #if DO_RLE |
---|
920 | char rle[512*512*3]; |
---|
921 | int rle_size; |
---|
922 | |
---|
923 | short offsets[512*512*3]; |
---|
924 | int offsets_size; |
---|
925 | |
---|
926 | void |
---|
927 | do_rle() |
---|
928 | { |
---|
929 | int len = NanoVis::win_width*NanoVis::win_height*3; |
---|
930 | rle_size = 0; |
---|
931 | offsets_size = 0; |
---|
932 | |
---|
933 | int i=0; |
---|
934 | while(i<len){ |
---|
935 | if (NanoVis::screen_buffer[i] == 0) { |
---|
936 | int pos = i+1; |
---|
937 | while ( (pos<len) && (NanoVis::screen_buffer[pos] == 0)) { |
---|
938 | pos++; |
---|
939 | } |
---|
940 | offsets[offsets_size++] = -(pos - i); |
---|
941 | i = pos; |
---|
942 | } |
---|
943 | |
---|
944 | else { |
---|
945 | int pos; |
---|
946 | for (pos = i; (pos<len) && (NanoVis::screen_buffer[pos] != 0);pos++){ |
---|
947 | rle[rle_size++] = NanoVis::screen_buffer[pos]; |
---|
948 | } |
---|
949 | offsets[offsets_size++] = (pos - i); |
---|
950 | i = pos; |
---|
951 | } |
---|
952 | |
---|
953 | } |
---|
954 | } |
---|
955 | #endif |
---|
956 | |
---|
957 | // used internally to build up the BMP file header |
---|
958 | // Writes an integer value into the header data structure at pos |
---|
959 | static inline void |
---|
960 | bmp_header_add_int(unsigned char* header, int& pos, int data) |
---|
961 | { |
---|
962 | #ifdef WORDS_BIGENDIAN |
---|
963 | header[pos++] = (data >> 24) & 0xFF; |
---|
964 | header[pos++] = (data >> 16) & 0xFF; |
---|
965 | header[pos++] = (data >> 8) & 0xFF; |
---|
966 | header[pos++] = (data) & 0xFF; |
---|
967 | #else |
---|
968 | header[pos++] = data & 0xff; |
---|
969 | header[pos++] = (data >> 8) & 0xff; |
---|
970 | header[pos++] = (data >> 16) & 0xff; |
---|
971 | header[pos++] = (data >> 24) & 0xff; |
---|
972 | #endif |
---|
973 | } |
---|
974 | |
---|
975 | // INSOO |
---|
976 | // FOR DEBUGGING |
---|
977 | void |
---|
978 | NanoVis::bmp_write_to_file(int frame_number, const char *directory_name) |
---|
979 | { |
---|
980 | unsigned char header[SIZEOF_BMP_HEADER]; |
---|
981 | int pos = 0; |
---|
982 | header[pos++] = 'B'; |
---|
983 | header[pos++] = 'M'; |
---|
984 | |
---|
985 | // BE CAREFUL: BMP files must have an even multiple of 4 bytes |
---|
986 | // on each scan line. If need be, we add padding to each line. |
---|
987 | int pad = 0; |
---|
988 | if ((3*win_width) % 4 > 0) { |
---|
989 | pad = 4 - ((3*win_width) % 4); |
---|
990 | } |
---|
991 | |
---|
992 | // file size in bytes |
---|
993 | int fsize = (3*win_width+pad)*win_height + SIZEOF_BMP_HEADER; |
---|
994 | bmp_header_add_int(header, pos, fsize); |
---|
995 | |
---|
996 | // reserved value (must be 0) |
---|
997 | bmp_header_add_int(header, pos, 0); |
---|
998 | |
---|
999 | // offset in bytes to start of bitmap data |
---|
1000 | bmp_header_add_int(header, pos, SIZEOF_BMP_HEADER); |
---|
1001 | |
---|
1002 | // size of the BITMAPINFOHEADER |
---|
1003 | bmp_header_add_int(header, pos, 40); |
---|
1004 | |
---|
1005 | // width of the image in pixels |
---|
1006 | bmp_header_add_int(header, pos, win_width); |
---|
1007 | |
---|
1008 | // height of the image in pixels |
---|
1009 | bmp_header_add_int(header, pos, win_height); |
---|
1010 | |
---|
1011 | // 1 plane + (24 bits/pixel << 16) |
---|
1012 | bmp_header_add_int(header, pos, 1572865); |
---|
1013 | |
---|
1014 | // no compression |
---|
1015 | // size of image for compression |
---|
1016 | bmp_header_add_int(header, pos, 0); |
---|
1017 | bmp_header_add_int(header, pos, 0); |
---|
1018 | |
---|
1019 | // x pixels per meter |
---|
1020 | // y pixels per meter |
---|
1021 | bmp_header_add_int(header, pos, 0); |
---|
1022 | bmp_header_add_int(header, pos, 0); |
---|
1023 | |
---|
1024 | // number of colors used (0 = compute from bits/pixel) |
---|
1025 | // number of important colors (0 = all colors important) |
---|
1026 | bmp_header_add_int(header, pos, 0); |
---|
1027 | bmp_header_add_int(header, pos, 0); |
---|
1028 | |
---|
1029 | // BE CAREFUL: BMP format wants BGR ordering for screen data |
---|
1030 | unsigned char* scr = screen_buffer; |
---|
1031 | for (int row=0; row < win_height; row++) { |
---|
1032 | for (int col=0; col < win_width; col++) { |
---|
1033 | unsigned char tmp = scr[2]; |
---|
1034 | scr[2] = scr[0]; // B |
---|
1035 | scr[0] = tmp; // R |
---|
1036 | scr += 3; |
---|
1037 | } |
---|
1038 | scr += pad; // skip over padding already in screen data |
---|
1039 | } |
---|
1040 | |
---|
1041 | FILE* f; |
---|
1042 | char filename[100]; |
---|
1043 | if (frame_number >= 0) { |
---|
1044 | if (directory_name) |
---|
1045 | sprintf(filename, "%s/image%03d.bmp", directory_name, frame_number); |
---|
1046 | else |
---|
1047 | sprintf(filename, "/tmp/flow_animation/image%03d.bmp", frame_number); |
---|
1048 | |
---|
1049 | fprintf(stderr, "Writing %s\n", filename); |
---|
1050 | f = fopen(filename, "wb"); |
---|
1051 | if (f == 0) { |
---|
1052 | Trace("cannot create file\n"); |
---|
1053 | } |
---|
1054 | } else { |
---|
1055 | f = fopen("/tmp/image.bmp", "wb"); |
---|
1056 | if (f == 0) { |
---|
1057 | Trace("cannot create file\n"); |
---|
1058 | } |
---|
1059 | } |
---|
1060 | if (fwrite(header, SIZEOF_BMP_HEADER, 1, f) != 1) { |
---|
1061 | Trace("can't write header: short write\n"); |
---|
1062 | } |
---|
1063 | if (fwrite(screen_buffer, (3*win_width+pad)*win_height, 1, f) != 1) { |
---|
1064 | Trace("can't write data: short write\n"); |
---|
1065 | } |
---|
1066 | fclose(f); |
---|
1067 | } |
---|
1068 | |
---|
1069 | void |
---|
1070 | NanoVis::bmp_write(const char *prefix) |
---|
1071 | { |
---|
1072 | unsigned char header[SIZEOF_BMP_HEADER]; |
---|
1073 | ssize_t nWritten; |
---|
1074 | int pos = 0; |
---|
1075 | |
---|
1076 | // BE CAREFUL: BMP files must have an even multiple of 4 bytes |
---|
1077 | // on each scan line. If need be, we add padding to each line. |
---|
1078 | int pad = 0; |
---|
1079 | if ((3*win_width) % 4 > 0) { |
---|
1080 | pad = 4 - ((3*win_width) % 4); |
---|
1081 | } |
---|
1082 | pad = 0; |
---|
1083 | int fsize = (3*win_width+pad)*win_height + sizeof(header); |
---|
1084 | |
---|
1085 | char string[200]; |
---|
1086 | sprintf(string, "%s %d\n", prefix, fsize); |
---|
1087 | nWritten = write(0, string, strlen(string)); |
---|
1088 | assert(nWritten == (ssize_t)strlen(string)); |
---|
1089 | header[pos++] = 'B'; |
---|
1090 | header[pos++] = 'M'; |
---|
1091 | |
---|
1092 | // file size in bytes |
---|
1093 | bmp_header_add_int(header, pos, fsize); |
---|
1094 | |
---|
1095 | // reserved value (must be 0) |
---|
1096 | bmp_header_add_int(header, pos, 0); |
---|
1097 | |
---|
1098 | // offset in bytes to start of bitmap data |
---|
1099 | bmp_header_add_int(header, pos, SIZEOF_BMP_HEADER); |
---|
1100 | |
---|
1101 | // size of the BITMAPINFOHEADER |
---|
1102 | bmp_header_add_int(header, pos, 40); |
---|
1103 | |
---|
1104 | // width of the image in pixels |
---|
1105 | bmp_header_add_int(header, pos, win_width); |
---|
1106 | |
---|
1107 | // height of the image in pixels |
---|
1108 | bmp_header_add_int(header, pos, win_height); |
---|
1109 | |
---|
1110 | // 1 plane + (24 bits/pixel << 16) |
---|
1111 | bmp_header_add_int(header, pos, 1572865); |
---|
1112 | |
---|
1113 | // no compression |
---|
1114 | // size of image for compression |
---|
1115 | bmp_header_add_int(header, pos, 0); |
---|
1116 | bmp_header_add_int(header, pos, 0); |
---|
1117 | |
---|
1118 | // x pixels per meter |
---|
1119 | // y pixels per meter |
---|
1120 | bmp_header_add_int(header, pos, 0); |
---|
1121 | bmp_header_add_int(header, pos, 0); |
---|
1122 | |
---|
1123 | // number of colors used (0 = compute from bits/pixel) |
---|
1124 | // number of important colors (0 = all colors important) |
---|
1125 | bmp_header_add_int(header, pos, 0); |
---|
1126 | bmp_header_add_int(header, pos, 0); |
---|
1127 | |
---|
1128 | // BE CAREFUL: BMP format wants BGR ordering for screen data |
---|
1129 | unsigned char* scr = screen_buffer; |
---|
1130 | for (int row=0; row < win_height; row++) { |
---|
1131 | for (int col=0; col < win_width; col++) { |
---|
1132 | unsigned char tmp = scr[2]; |
---|
1133 | scr[2] = scr[0]; // B |
---|
1134 | scr[0] = tmp; // R |
---|
1135 | scr += 3; |
---|
1136 | } |
---|
1137 | scr += pad; // skip over padding already in screen data |
---|
1138 | } |
---|
1139 | |
---|
1140 | nWritten = write(0, header, SIZEOF_BMP_HEADER); |
---|
1141 | assert(nWritten == SIZEOF_BMP_HEADER); |
---|
1142 | nWritten = write(0, screen_buffer, (3*win_width+pad)*win_height); |
---|
1143 | assert(nWritten == (3*win_width+pad)*win_height); |
---|
1144 | stats.nFrames++; |
---|
1145 | stats.nBytes += (3*win_width+pad)*win_height; |
---|
1146 | } |
---|
1147 | |
---|
1148 | /* |
---|
1149 | * ppm_write -- |
---|
1150 | * |
---|
1151 | * Writes the screen image as PPM binary data to the nanovisviewer |
---|
1152 | * client. The PPM binary format is very simple. |
---|
1153 | * |
---|
1154 | * P6 w h 255\n |
---|
1155 | * 3-byte RGB pixel data. |
---|
1156 | * |
---|
1157 | * The nanovisviewer client (using the TkImg library) will do less work |
---|
1158 | * to unpack this format, as opposed to BMP or PNG. (This doesn't |
---|
1159 | * eliminate the need to look into DXT compression performed on the GPU). |
---|
1160 | * |
---|
1161 | * Note that currently the image data from the screen is both row-padded |
---|
1162 | * and the scan lines are reversed. This routine could be made even |
---|
1163 | * simpler (faster) if the screen buffer is an array of packed 3-bytes |
---|
1164 | * per pixels (no padding) and where the origin is the top-left corner. |
---|
1165 | */ |
---|
1166 | void |
---|
1167 | NanoVis::ppm_write(const char *prefix) |
---|
1168 | { |
---|
1169 | #define PPM_MAXVAL 255 |
---|
1170 | char header[200]; |
---|
1171 | |
---|
1172 | // Generate the PPM binary file header |
---|
1173 | sprintf(header, "P6 %d %d %d\n", win_width, win_height, PPM_MAXVAL); |
---|
1174 | |
---|
1175 | size_t header_length = strlen(header); |
---|
1176 | size_t data_length = win_width * win_height * 3; |
---|
1177 | |
---|
1178 | char command[200]; |
---|
1179 | sprintf(command, "%s %lu\n", prefix, |
---|
1180 | (unsigned long)header_length + data_length); |
---|
1181 | |
---|
1182 | size_t wordsPerRow = (win_width * 24 + 31) / 32; |
---|
1183 | size_t bytesPerRow = wordsPerRow * 4; |
---|
1184 | size_t rowLength = win_width * 3; |
---|
1185 | size_t nRecs = win_height + 2; |
---|
1186 | |
---|
1187 | struct iovec *iov; |
---|
1188 | iov = (struct iovec *)malloc(sizeof(struct iovec) * nRecs); |
---|
1189 | |
---|
1190 | // Write the nanovisviewer command, then the image header and data. |
---|
1191 | // Command |
---|
1192 | iov[0].iov_base = command; |
---|
1193 | iov[0].iov_len = strlen(command); |
---|
1194 | // Header of image data |
---|
1195 | iov[1].iov_base = header; |
---|
1196 | iov[1].iov_len = header_length; |
---|
1197 | // Image data. |
---|
1198 | int y; |
---|
1199 | unsigned char *srcRowPtr = screen_buffer; |
---|
1200 | for (y = win_height + 1; y >= 2; y--) { |
---|
1201 | iov[y].iov_base = srcRowPtr; |
---|
1202 | iov[y].iov_len = rowLength; |
---|
1203 | srcRowPtr += bytesPerRow; |
---|
1204 | } |
---|
1205 | writev(0, iov, nRecs); |
---|
1206 | free(iov); |
---|
1207 | stats.nFrames++; |
---|
1208 | stats.nBytes += (bytesPerRow * win_height); |
---|
1209 | } |
---|
1210 | |
---|
1211 | void |
---|
1212 | NanoVis::sendDataToClient(const char *command, const char *data, size_t dlen) |
---|
1213 | { |
---|
1214 | /* |
---|
1215 | char header[200]; |
---|
1216 | |
---|
1217 | // Generate the PPM binary file header |
---|
1218 | sprintf(header, "P6 %d %d %d\n", win_width, win_height, PPM_MAXVAL); |
---|
1219 | |
---|
1220 | size_t header_length = strlen(header); |
---|
1221 | size_t data_length = win_width * win_height * 3; |
---|
1222 | |
---|
1223 | char command[200]; |
---|
1224 | sprintf(command, "%s %lu\n", prefix, |
---|
1225 | (unsigned long)header_length + data_length); |
---|
1226 | */ |
---|
1227 | |
---|
1228 | // size_t wordsPerRow = (win_width * 24 + 31) / 32; |
---|
1229 | // size_t bytesPerRow = wordsPerRow * 4; |
---|
1230 | // size_t rowLength = win_width * 3; |
---|
1231 | size_t nRecs = 2; |
---|
1232 | |
---|
1233 | struct iovec *iov; |
---|
1234 | iov = (struct iovec *)malloc(sizeof(struct iovec) * nRecs); |
---|
1235 | |
---|
1236 | // Write the nanovisviewer command, then the image header and data. |
---|
1237 | // Command |
---|
1238 | // FIXME: shouldn't have to cast this |
---|
1239 | iov[0].iov_base = (char *)command; |
---|
1240 | iov[0].iov_len = strlen(command); |
---|
1241 | // Data |
---|
1242 | // FIXME: shouldn't have to cast this |
---|
1243 | iov[1].iov_base = (char *)data; |
---|
1244 | iov[1].iov_len = dlen; |
---|
1245 | writev(0, iov, nRecs); |
---|
1246 | free(iov); |
---|
1247 | // stats.nFrames++; |
---|
1248 | // stats.nBytes += (bytesPerRow * win_height); |
---|
1249 | } |
---|
1250 | |
---|
1251 | |
---|
1252 | /*----------------------------------------------------*/ |
---|
1253 | void |
---|
1254 | NanoVis::idle() |
---|
1255 | { |
---|
1256 | if (debug_flag) { |
---|
1257 | fprintf(stderr, "in idle()\n"); |
---|
1258 | } |
---|
1259 | glutSetWindow(render_window); |
---|
1260 | |
---|
1261 | #ifdef XINETD |
---|
1262 | xinetd_listen(); |
---|
1263 | #else |
---|
1264 | glutPostRedisplay(); |
---|
1265 | #endif |
---|
1266 | if (debug_flag) { |
---|
1267 | fprintf(stderr, "leaving idle()\n"); |
---|
1268 | } |
---|
1269 | } |
---|
1270 | |
---|
1271 | void |
---|
1272 | NanoVis::display_offscreen_buffer() |
---|
1273 | { |
---|
1274 | if (debug_flag) { |
---|
1275 | fprintf(stderr, "in display_offscreen_buffer\n"); |
---|
1276 | } |
---|
1277 | glEnable(GL_TEXTURE_2D); |
---|
1278 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); |
---|
1279 | glBindTexture(GL_TEXTURE_2D, final_color_tex); |
---|
1280 | |
---|
1281 | glViewport(0, 0, win_width, win_height); |
---|
1282 | glMatrixMode(GL_PROJECTION); |
---|
1283 | glLoadIdentity(); |
---|
1284 | gluOrtho2D(0, win_width, 0, win_height); |
---|
1285 | glMatrixMode(GL_MODELVIEW); |
---|
1286 | glLoadIdentity(); |
---|
1287 | |
---|
1288 | glColor3f(1.,1.,1.); //MUST HAVE THIS LINE!!! |
---|
1289 | glBegin(GL_QUADS); |
---|
1290 | { |
---|
1291 | glTexCoord2f(0, 0); glVertex2f(0, 0); |
---|
1292 | glTexCoord2f(1, 0); glVertex2f(win_width, 0); |
---|
1293 | glTexCoord2f(1, 1); glVertex2f(win_width, win_height); |
---|
1294 | glTexCoord2f(0, 1); glVertex2f(0, win_height); |
---|
1295 | } |
---|
1296 | glEnd(); |
---|
1297 | if (debug_flag) { |
---|
1298 | fprintf(stderr, "leaving display_offscreen_buffer\n"); |
---|
1299 | } |
---|
1300 | } |
---|
1301 | |
---|
1302 | |
---|
1303 | |
---|
1304 | #if 0 |
---|
1305 | //oddeven sort on GPU |
---|
1306 | void |
---|
1307 | sortstep() |
---|
1308 | { |
---|
1309 | // perform one step of the current sorting algorithm |
---|
1310 | |
---|
1311 | #ifdef notdef |
---|
1312 | // swap buffers |
---|
1313 | int sourceBuffer = targetBuffer; |
---|
1314 | targetBuffer = (targetBuffer+1)%2; |
---|
1315 | int pstage = (1<<stage); |
---|
1316 | int ppass = (1<<pass); |
---|
1317 | int activeBitonicShader = 0; |
---|
1318 | |
---|
1319 | #ifdef _WIN32 |
---|
1320 | buffer->BindBuffer(wglTargets[sourceBuffer]); |
---|
1321 | #else |
---|
1322 | buffer->BindBuffer(glTargets[sourceBuffer]); |
---|
1323 | #endif |
---|
1324 | if (buffer->IsDoubleBuffered()) glDrawBuffer(glTargets[targetBuffer]); |
---|
1325 | #endif |
---|
1326 | |
---|
1327 | checkGLError("after db"); |
---|
1328 | |
---|
1329 | int pstage = (1<<stage); |
---|
1330 | int ppass = (1<<pass); |
---|
1331 | //int activeBitonicShader = 0; |
---|
1332 | |
---|
1333 | // switch on correct sorting shader |
---|
1334 | oddevenMergeSort.bind(); |
---|
1335 | glUniform3fARB(oddevenMergeSort.getUniformLocation("Param1"), float(pstage+pstage), |
---|
1336 | float(ppass%pstage), float((pstage+pstage)-(ppass%pstage)-1)); |
---|
1337 | glUniform3fARB(oddevenMergeSort.getUniformLocation("Param2"), |
---|
1338 | float(psys_width), float(psys_height), float(ppass)); |
---|
1339 | glUniform1iARB(oddevenMergeSort.getUniformLocation("Data"), 0); |
---|
1340 | staticdebugmsg("sort","stage "<<pstage<<" pass "<<ppass); |
---|
1341 | |
---|
1342 | // This clear is not necessary for sort to function. But if we are in |
---|
1343 | // interactive mode unused parts of the texture that are visible will look |
---|
1344 | // bad. |
---|
1345 | #ifdef notdef |
---|
1346 | if (!perfTest) glClear(GL_COLOR_BUFFER_BIT); |
---|
1347 | |
---|
1348 | buffer->Bind(); |
---|
1349 | buffer->EnableTextureTarget(); |
---|
1350 | #endif |
---|
1351 | |
---|
1352 | // Initiate the sorting step on the GPU a full-screen quad |
---|
1353 | glBegin(GL_QUADS); |
---|
1354 | { |
---|
1355 | #ifdef notdef |
---|
1356 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,0.0f,0.0f,0.0f,1.0f); |
---|
1357 | glVertex2f(-1.0f,-1.0f); |
---|
1358 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,float(psys_width),0.0f,1.0f,1.0f); |
---|
1359 | glVertex2f(1.0f,-1.0f); |
---|
1360 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,float(psys_width),float(psys_height),1.0f,0.0f); |
---|
1361 | glVertex2f(1.0f,1.0f); |
---|
1362 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,0.0f,float(psys_height),0.0f,0.0f); |
---|
1363 | glVertex2f(-1.0f,1.0f); |
---|
1364 | #endif |
---|
1365 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,0.0f,0.0f,0.0f,1.0f); |
---|
1366 | glVertex2f(0.,0.); |
---|
1367 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,float(psys_width),0.0f,1.0f,1.0f); |
---|
1368 | glVertex2f(float(psys_width), 0.); |
---|
1369 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,float(psys_width),float(psys_height),1.0f,0.0f); |
---|
1370 | glVertex2f(float(psys_width), float(psys_height)); |
---|
1371 | glMultiTexCoord4fARB(GL_TEXTURE0_ARB,0.0f,float(psys_height),0.0f,0.0f); |
---|
1372 | glVertex2f(0., float(psys_height)); |
---|
1373 | } |
---|
1374 | glEnd(); |
---|
1375 | |
---|
1376 | // switch off sorting shader |
---|
1377 | oddevenMergeSort.release(); |
---|
1378 | |
---|
1379 | //buffer->DisableTextureTarget(); |
---|
1380 | |
---|
1381 | //assert(glGetError()==0); |
---|
1382 | } |
---|
1383 | #endif |
---|
1384 | |
---|
1385 | |
---|
1386 | void |
---|
1387 | draw_3d_axis() |
---|
1388 | { |
---|
1389 | glDisable(GL_TEXTURE_2D); |
---|
1390 | glEnable(GL_DEPTH_TEST); |
---|
1391 | |
---|
1392 | //draw axes |
---|
1393 | GLUquadric *obj; |
---|
1394 | |
---|
1395 | obj = gluNewQuadric(); |
---|
1396 | |
---|
1397 | glDepthFunc(GL_LESS); |
---|
1398 | glEnable(GL_COLOR_MATERIAL); |
---|
1399 | glEnable(GL_DEPTH_TEST); |
---|
1400 | glDisable(GL_BLEND); |
---|
1401 | |
---|
1402 | int segments = 50; |
---|
1403 | |
---|
1404 | glColor3f(0.8, 0.8, 0.8); |
---|
1405 | glPushMatrix(); |
---|
1406 | glTranslatef(0.4, 0., 0.); |
---|
1407 | glRotatef(90, 1, 0, 0); |
---|
1408 | glRotatef(180, 0, 1, 0); |
---|
1409 | glScalef(0.0005, 0.0005, 0.0005); |
---|
1410 | glutStrokeCharacter(GLUT_STROKE_ROMAN, 'x'); |
---|
1411 | glPopMatrix(); |
---|
1412 | |
---|
1413 | glPushMatrix(); |
---|
1414 | glTranslatef(0., 0.4, 0.); |
---|
1415 | glRotatef(90, 1, 0, 0); |
---|
1416 | glRotatef(180, 0, 1, 0); |
---|
1417 | glScalef(0.0005, 0.0005, 0.0005); |
---|
1418 | glutStrokeCharacter(GLUT_STROKE_ROMAN, 'y'); |
---|
1419 | glPopMatrix(); |
---|
1420 | |
---|
1421 | glPushMatrix(); |
---|
1422 | glTranslatef(0., 0., 0.4); |
---|
1423 | glRotatef(90, 1, 0, 0); |
---|
1424 | glRotatef(180, 0, 1, 0); |
---|
1425 | glScalef(0.0005, 0.0005, 0.0005); |
---|
1426 | glutStrokeCharacter(GLUT_STROKE_ROMAN, 'z'); |
---|
1427 | glPopMatrix(); |
---|
1428 | |
---|
1429 | glEnable(GL_LIGHTING); |
---|
1430 | glEnable(GL_LIGHT0); |
---|
1431 | |
---|
1432 | //glColor3f(0.2, 0.2, 0.8); |
---|
1433 | glPushMatrix(); |
---|
1434 | glutSolidSphere(0.02, segments, segments ); |
---|
1435 | glPopMatrix(); |
---|
1436 | |
---|
1437 | glPushMatrix(); |
---|
1438 | glRotatef(-90, 1, 0, 0); |
---|
1439 | gluCylinder(obj, 0.01, 0.01, 0.3, segments, segments); |
---|
1440 | glPopMatrix(); |
---|
1441 | |
---|
1442 | glPushMatrix(); |
---|
1443 | glTranslatef(0., 0.3, 0.); |
---|
1444 | glRotatef(-90, 1, 0, 0); |
---|
1445 | gluCylinder(obj, 0.02, 0.0, 0.06, segments, segments); |
---|
1446 | glPopMatrix(); |
---|
1447 | |
---|
1448 | glPushMatrix(); |
---|
1449 | glRotatef(90, 0, 1, 0); |
---|
1450 | gluCylinder(obj, 0.01, 0.01, 0.3, segments, segments); |
---|
1451 | glPopMatrix(); |
---|
1452 | |
---|
1453 | glPushMatrix(); |
---|
1454 | glTranslatef(0.3, 0., 0.); |
---|
1455 | glRotatef(90, 0, 1, 0); |
---|
1456 | gluCylinder(obj, 0.02, 0.0, 0.06, segments, segments); |
---|
1457 | glPopMatrix(); |
---|
1458 | |
---|
1459 | glPushMatrix(); |
---|
1460 | gluCylinder(obj, 0.01, 0.01, 0.3, segments, segments); |
---|
1461 | glPopMatrix(); |
---|
1462 | |
---|
1463 | glPushMatrix(); |
---|
1464 | glTranslatef(0., 0., 0.3); |
---|
1465 | gluCylinder(obj, 0.02, 0.0, 0.06, segments, segments); |
---|
1466 | glPopMatrix(); |
---|
1467 | |
---|
1468 | glDisable(GL_LIGHTING); |
---|
1469 | glDisable(GL_DEPTH_TEST); |
---|
1470 | gluDeleteQuadric(obj); |
---|
1471 | |
---|
1472 | glEnable(GL_TEXTURE_2D); |
---|
1473 | glDisable(GL_DEPTH_TEST); |
---|
1474 | } |
---|
1475 | |
---|
1476 | void NanoVis::update() |
---|
1477 | { |
---|
1478 | if (vol_renderer->_volumeInterpolator->is_started()) { |
---|
1479 | struct timeval clock; |
---|
1480 | gettimeofday(&clock, NULL); |
---|
1481 | double elapsed_time; |
---|
1482 | |
---|
1483 | elapsed_time = clock.tv_sec + clock.tv_usec/1000000.0 - |
---|
1484 | vol_renderer->_volumeInterpolator->getStartTime(); |
---|
1485 | |
---|
1486 | Trace("%lf %lf\n", elapsed_time, vol_renderer->_volumeInterpolator->getInterval()); |
---|
1487 | float fraction; |
---|
1488 | float f; |
---|
1489 | |
---|
1490 | f = fmod((float) elapsed_time, (float)vol_renderer->_volumeInterpolator->getInterval()); |
---|
1491 | if (f == 0.0) { |
---|
1492 | fraction = 0.0f; |
---|
1493 | } else { |
---|
1494 | fraction = f / vol_renderer->_volumeInterpolator->getInterval(); |
---|
1495 | } |
---|
1496 | Trace("fraction : %f\n", fraction); |
---|
1497 | vol_renderer->_volumeInterpolator->update(fraction); |
---|
1498 | } |
---|
1499 | } |
---|
1500 | |
---|
1501 | void |
---|
1502 | NanoVis::SetVolumeRanges() |
---|
1503 | { |
---|
1504 | double xMin, xMax, yMin, yMax, zMin, zMax, wMin, wMax; |
---|
1505 | |
---|
1506 | if (debug_flag) { |
---|
1507 | fprintf(stderr, "in SetVolumeRanges\n"); |
---|
1508 | } |
---|
1509 | xMin = yMin = zMin = wMin = DBL_MAX; |
---|
1510 | xMax = yMax = zMax = wMax = -DBL_MAX; |
---|
1511 | for (unsigned int i = 0; i < volume.size(); i++) { |
---|
1512 | Volume *volPtr; |
---|
1513 | |
---|
1514 | volPtr = volume[i]; |
---|
1515 | if (volPtr == NULL) { |
---|
1516 | continue; |
---|
1517 | } |
---|
1518 | if (!volPtr->enabled) { |
---|
1519 | continue; |
---|
1520 | } |
---|
1521 | if (xMin > volPtr->xAxis.min()) { |
---|
1522 | xMin = volPtr->xAxis.min(); |
---|
1523 | } |
---|
1524 | if (xMax < volPtr->xAxis.max()) { |
---|
1525 | xMax = volPtr->xAxis.max(); |
---|
1526 | } |
---|
1527 | if (yMin > volPtr->yAxis.min()) { |
---|
1528 | yMin = volPtr->yAxis.min(); |
---|
1529 | } |
---|
1530 | if (yMax < volPtr->yAxis.max()) { |
---|
1531 | yMax = volPtr->yAxis.max(); |
---|
1532 | } |
---|
1533 | if (zMin > volPtr->zAxis.min()) { |
---|
1534 | zMin = volPtr->zAxis.min(); |
---|
1535 | } |
---|
1536 | if (zMax < volPtr->zAxis.max()) { |
---|
1537 | zMax = volPtr->zAxis.max(); |
---|
1538 | } |
---|
1539 | if (wMin > volPtr->wAxis.min()) { |
---|
1540 | wMin = volPtr->wAxis.min(); |
---|
1541 | } |
---|
1542 | if (wMax < volPtr->wAxis.max()) { |
---|
1543 | wMax = volPtr->wAxis.max(); |
---|
1544 | } |
---|
1545 | } |
---|
1546 | if ((xMin < DBL_MAX) && (xMax > -DBL_MAX)) { |
---|
1547 | grid->xAxis.SetScale(xMin, xMax); |
---|
1548 | } |
---|
1549 | if ((yMin < DBL_MAX) && (yMax > -DBL_MAX)) { |
---|
1550 | grid->yAxis.SetScale(yMin, yMax); |
---|
1551 | } |
---|
1552 | if ((zMin < DBL_MAX) && (zMax > -DBL_MAX)) { |
---|
1553 | grid->zAxis.SetScale(zMin, zMax); |
---|
1554 | } |
---|
1555 | if ((wMin < DBL_MAX) && (wMax > -DBL_MAX)) { |
---|
1556 | Volume::valueMin = wMin; |
---|
1557 | Volume::valueMax = wMax; |
---|
1558 | } |
---|
1559 | Volume::update_pending = false; |
---|
1560 | if (debug_flag) { |
---|
1561 | fprintf(stderr, "leaving SetVolumeRanges\n"); |
---|
1562 | } |
---|
1563 | } |
---|
1564 | |
---|
1565 | void |
---|
1566 | NanoVis::SetHeightmapRanges() |
---|
1567 | { |
---|
1568 | double xMin, xMax, yMin, yMax, zMin, zMax, wMin, wMax; |
---|
1569 | |
---|
1570 | if (debug_flag) { |
---|
1571 | fprintf(stderr, "in SetHeightmapRanges\n"); |
---|
1572 | } |
---|
1573 | xMin = yMin = zMin = wMin = DBL_MAX; |
---|
1574 | xMax = yMax = zMax = wMax = -DBL_MAX; |
---|
1575 | for (unsigned int i = 0; i < heightMap.size(); i++) { |
---|
1576 | HeightMap *hmPtr; |
---|
1577 | |
---|
1578 | hmPtr = heightMap[i]; |
---|
1579 | if (hmPtr == NULL) { |
---|
1580 | continue; |
---|
1581 | } |
---|
1582 | if (xMin > hmPtr->xAxis.min()) { |
---|
1583 | xMin = hmPtr->xAxis.min(); |
---|
1584 | } |
---|
1585 | if (xMax < hmPtr->xAxis.max()) { |
---|
1586 | xMax = hmPtr->xAxis.max(); |
---|
1587 | } |
---|
1588 | if (yMin > hmPtr->yAxis.min()) { |
---|
1589 | yMin = hmPtr->yAxis.min(); |
---|
1590 | } |
---|
1591 | if (yMax < hmPtr->yAxis.max()) { |
---|
1592 | yMax = hmPtr->yAxis.max(); |
---|
1593 | } |
---|
1594 | if (zMin > hmPtr->zAxis.min()) { |
---|
1595 | zMin = hmPtr->zAxis.min(); |
---|
1596 | } |
---|
1597 | if (zMax < hmPtr->zAxis.max()) { |
---|
1598 | zMax = hmPtr->zAxis.max(); |
---|
1599 | } |
---|
1600 | if (wMin > hmPtr->wAxis.min()) { |
---|
1601 | wMin = hmPtr->wAxis.min(); |
---|
1602 | } |
---|
1603 | if (wMax < hmPtr->wAxis.max()) { |
---|
1604 | wMax = hmPtr->wAxis.max(); |
---|
1605 | } |
---|
1606 | } |
---|
1607 | if ((xMin < DBL_MAX) && (xMax > -DBL_MAX)) { |
---|
1608 | grid->xAxis.SetScale(xMin, xMax); |
---|
1609 | } |
---|
1610 | if ((yMin < DBL_MAX) && (yMax > -DBL_MAX)) { |
---|
1611 | grid->yAxis.SetScale(yMin, yMax); |
---|
1612 | } |
---|
1613 | if ((zMin < DBL_MAX) && (zMax > -DBL_MAX)) { |
---|
1614 | grid->zAxis.SetScale(zMin, zMax); |
---|
1615 | } |
---|
1616 | if ((wMin < DBL_MAX) && (wMax > -DBL_MAX)) { |
---|
1617 | HeightMap::valueMin = grid->yAxis.min(); |
---|
1618 | HeightMap::valueMax = grid->yAxis.max(); |
---|
1619 | } |
---|
1620 | for (unsigned int i = 0; i < heightMap.size(); i++) { |
---|
1621 | HeightMap *hmPtr; |
---|
1622 | |
---|
1623 | hmPtr = heightMap[i]; |
---|
1624 | if (hmPtr == NULL) { |
---|
1625 | continue; |
---|
1626 | } |
---|
1627 | hmPtr->MapToGrid(grid); |
---|
1628 | } |
---|
1629 | HeightMap::update_pending = false; |
---|
1630 | if (debug_flag) { |
---|
1631 | fprintf(stderr, "leaving SetHeightmapRanges\n"); |
---|
1632 | } |
---|
1633 | } |
---|
1634 | |
---|
1635 | /*----------------------------------------------------*/ |
---|
1636 | void |
---|
1637 | NanoVis::display() |
---|
1638 | { |
---|
1639 | if (debug_flag) { |
---|
1640 | fprintf(stderr, "in display\n"); |
---|
1641 | } |
---|
1642 | |
---|
1643 | if (FlowCmd::flags & FlowCmd::MAP_PENDING) { |
---|
1644 | FlowCmd::MapFlows(); |
---|
1645 | } |
---|
1646 | //assert(glGetError()==0); |
---|
1647 | if (HeightMap::update_pending) { |
---|
1648 | SetHeightmapRanges(); |
---|
1649 | } |
---|
1650 | if (Volume::update_pending) { |
---|
1651 | SetVolumeRanges(); |
---|
1652 | } |
---|
1653 | if (debug_flag) { |
---|
1654 | fprintf(stderr, "in display: glClear\n"); |
---|
1655 | } |
---|
1656 | //start final rendering |
---|
1657 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear screen |
---|
1658 | |
---|
1659 | if (volume_mode) { |
---|
1660 | if (debug_flag) { |
---|
1661 | fprintf(stderr, "in display: volume_mode\n"); |
---|
1662 | } |
---|
1663 | //3D rendering mode |
---|
1664 | // TBD.. |
---|
1665 | //glEnable(GL_TEXTURE_2D); |
---|
1666 | glEnable(GL_DEPTH_TEST); |
---|
1667 | |
---|
1668 | //camera setting activated |
---|
1669 | cam->activate(); |
---|
1670 | |
---|
1671 | //set up the orientation of items in the scene. |
---|
1672 | glPushMatrix(); |
---|
1673 | switch (updir) { |
---|
1674 | case 1: // x |
---|
1675 | glRotatef(90, 0, 0, 1); |
---|
1676 | glRotatef(90, 1, 0, 0); |
---|
1677 | break; |
---|
1678 | |
---|
1679 | case 2: // y |
---|
1680 | // this is the default |
---|
1681 | break; |
---|
1682 | |
---|
1683 | case 3: // z |
---|
1684 | glRotatef(-90, 1, 0, 0); |
---|
1685 | glRotatef(-90, 0, 0, 1); |
---|
1686 | break; |
---|
1687 | |
---|
1688 | case -1: // -x |
---|
1689 | glRotatef(-90, 0, 0, 1); |
---|
1690 | break; |
---|
1691 | |
---|
1692 | case -2: // -y |
---|
1693 | glRotatef(180, 0, 0, 1); |
---|
1694 | glRotatef(-90, 0, 1, 0); |
---|
1695 | break; |
---|
1696 | |
---|
1697 | case -3: // -z |
---|
1698 | glRotatef(90, 1, 0, 0); |
---|
1699 | break; |
---|
1700 | } |
---|
1701 | |
---|
1702 | // TBD : This will be removed after being sure that all the functions work well. |
---|
1703 | //glPushMatrix(); |
---|
1704 | |
---|
1705 | //now render things in the scene |
---|
1706 | if (axis_on) { |
---|
1707 | draw_3d_axis(); |
---|
1708 | } |
---|
1709 | if (grid->isVisible()) { |
---|
1710 | grid->render(); |
---|
1711 | } |
---|
1712 | if ((licRenderer != NULL) && (licRenderer->isActivated())) { |
---|
1713 | licRenderer->render(); |
---|
1714 | /*FlowCmd::SetupFlows();*/ |
---|
1715 | } |
---|
1716 | #ifdef notdef |
---|
1717 | if ((flowVisRenderer != NULL) && (flowVisRenderer->isActivated())) { |
---|
1718 | flowVisRenderer->render(); |
---|
1719 | } |
---|
1720 | #endif |
---|
1721 | if (FlowCmd::flags & FlowCmd::REDRAW_PENDING) { |
---|
1722 | FlowCmd::RenderFlows(); |
---|
1723 | } |
---|
1724 | |
---|
1725 | //soft_display_verts(); |
---|
1726 | //perf->enable(); |
---|
1727 | //perf->disable(); |
---|
1728 | //fprintf(stderr, "particle pixels: %d\n", perf->get_pixel_count()); |
---|
1729 | //perf->reset(); |
---|
1730 | |
---|
1731 | //perf->enable(); |
---|
1732 | vol_renderer->render_all(); |
---|
1733 | //perf->disable(); |
---|
1734 | |
---|
1735 | if (debug_flag) { |
---|
1736 | fprintf(stderr, "in display: render heightmap\n"); |
---|
1737 | } |
---|
1738 | for (unsigned int i = 0; i < heightMap.size(); ++i) { |
---|
1739 | if (heightMap[i]->isVisible()) { |
---|
1740 | heightMap[i]->render(renderContext); |
---|
1741 | } |
---|
1742 | } |
---|
1743 | glPopMatrix(); |
---|
1744 | } else { |
---|
1745 | //2D rendering mode |
---|
1746 | perf->enable(); |
---|
1747 | plane_render->render(); |
---|
1748 | perf->disable(); |
---|
1749 | } |
---|
1750 | perf->reset(); |
---|
1751 | if (debug_flag) { |
---|
1752 | fprintf(stderr, "leaving display\n"); |
---|
1753 | } |
---|
1754 | |
---|
1755 | |
---|
1756 | } |
---|
1757 | |
---|
1758 | #ifndef XINETD |
---|
1759 | void |
---|
1760 | NanoVis::mouse(int button, int state, int x, int y) |
---|
1761 | { |
---|
1762 | if(button==GLUT_LEFT_BUTTON){ |
---|
1763 | if (state==GLUT_DOWN) { |
---|
1764 | left_last_x = x; |
---|
1765 | left_last_y = y; |
---|
1766 | left_down = true; |
---|
1767 | right_down = false; |
---|
1768 | } else { |
---|
1769 | left_down = false; |
---|
1770 | right_down = false; |
---|
1771 | } |
---|
1772 | } else { |
---|
1773 | //fprintf(stderr, "right mouse\n"); |
---|
1774 | |
---|
1775 | if(state==GLUT_DOWN){ |
---|
1776 | //fprintf(stderr, "right mouse down\n"); |
---|
1777 | right_last_x = x; |
---|
1778 | right_last_y = y; |
---|
1779 | left_down = false; |
---|
1780 | right_down = true; |
---|
1781 | } else { |
---|
1782 | //fprintf(stderr, "right mouse up\n"); |
---|
1783 | left_down = false; |
---|
1784 | right_down = false; |
---|
1785 | } |
---|
1786 | } |
---|
1787 | } |
---|
1788 | |
---|
1789 | void |
---|
1790 | NanoVis::update_rot(int delta_x, int delta_y) |
---|
1791 | { |
---|
1792 | Vector3 angle; |
---|
1793 | |
---|
1794 | angle = cam->rotate(); |
---|
1795 | angle.x += delta_x; |
---|
1796 | angle.y += delta_y; |
---|
1797 | |
---|
1798 | if (angle.x > 360.0) { |
---|
1799 | angle.x -= 360.0; |
---|
1800 | } else if(angle.x < -360.0) { |
---|
1801 | angle.x += 360.0; |
---|
1802 | } |
---|
1803 | if (angle.y > 360.0) { |
---|
1804 | angle.y -= 360.0; |
---|
1805 | } else if(angle.y < -360.0) { |
---|
1806 | angle.y += 360.0; |
---|
1807 | } |
---|
1808 | cam->rotate(angle); |
---|
1809 | } |
---|
1810 | |
---|
1811 | void |
---|
1812 | NanoVis::update_trans(int delta_x, int delta_y, int delta_z) |
---|
1813 | { |
---|
1814 | cam->x(cam->x() + delta_x * 0.03); |
---|
1815 | cam->y(cam->y() + delta_y * 0.03); |
---|
1816 | cam->z(cam->z() + delta_z * 0.03); |
---|
1817 | } |
---|
1818 | |
---|
1819 | #ifdef NEW_FLOW_ENGINE |
---|
1820 | void addVectorField(const char* filename, const char* vf_name, |
---|
1821 | const char* plane_name1, const char* plane_name2, |
---|
1822 | const Vector4& color1, const Vector4& color2) |
---|
1823 | { |
---|
1824 | Rappture::Outcome result; |
---|
1825 | Rappture::Buffer buf; |
---|
1826 | |
---|
1827 | buf.load(filename); |
---|
1828 | int n = NanoVis::n_volumes; |
---|
1829 | if (load_vector_stream2(result, n, buf.size(), buf.bytes())) { |
---|
1830 | Volume *volPtr = NanoVis::volume[n]; |
---|
1831 | if (volPtr != NULL) { |
---|
1832 | volPtr->set_n_slice(256-n); |
---|
1833 | // volPtr->set_n_slice(512-n); |
---|
1834 | volPtr->disable_cutplane(0); |
---|
1835 | volPtr->disable_cutplane(1); |
---|
1836 | volPtr->disable_cutplane(2); |
---|
1837 | |
---|
1838 | NanoVis::vol_renderer->add_volume(volPtr, |
---|
1839 | NanoVis::get_transfunc("default")); |
---|
1840 | float dx0 = -0.5; |
---|
1841 | float dy0 = -0.5*volPtr->height/volPtr->width; |
---|
1842 | float dz0 = -0.5*volPtr->depth/volPtr->width; |
---|
1843 | volPtr->move(Vector3(dx0, dy0, dz0)); |
---|
1844 | //volPtr->enable_data(); |
---|
1845 | volPtr->disable_data(); |
---|
1846 | NanoVis::flowVisRenderer->addVectorField(vf_name, volPtr, |
---|
1847 | *(volPtr->get_location()), |
---|
1848 | 1.0f, |
---|
1849 | volPtr->height / (float)volPtr->width, |
---|
1850 | volPtr->depth / (float)volPtr->width, |
---|
1851 | 1.0f); |
---|
1852 | NanoVis::flowVisRenderer->activateVectorField(vf_name); |
---|
1853 | |
---|
1854 | ////////////////////////////////// |
---|
1855 | // ADD Particle Injection Plane1 |
---|
1856 | NanoVis::flowVisRenderer->addPlane(vf_name, plane_name1); |
---|
1857 | NanoVis::flowVisRenderer->setPlaneAxis(vf_name, plane_name1, 0); |
---|
1858 | NanoVis::flowVisRenderer->setPlanePos(vf_name, plane_name1, 0.9); |
---|
1859 | NanoVis::flowVisRenderer->setParticleColor(vf_name, plane_name1, color1); |
---|
1860 | // ADD Particle Injection Plane2 |
---|
1861 | NanoVis::flowVisRenderer->addPlane(vf_name, plane_name2); |
---|
1862 | NanoVis::flowVisRenderer->setPlaneAxis(vf_name, plane_name2, 0); |
---|
1863 | NanoVis::flowVisRenderer->setPlanePos(vf_name, plane_name2, 0.2); |
---|
1864 | NanoVis::flowVisRenderer->setParticleColor(vf_name, plane_name2, color2); |
---|
1865 | NanoVis::flowVisRenderer->initialize(vf_name); |
---|
1866 | |
---|
1867 | NanoVis::flowVisRenderer->activatePlane(vf_name, plane_name1); |
---|
1868 | NanoVis::flowVisRenderer->activatePlane(vf_name, plane_name2); |
---|
1869 | |
---|
1870 | NanoVis::licRenderer->setVectorField(volPtr->id, |
---|
1871 | *(volPtr->get_location()), |
---|
1872 | 1.0f / volPtr->aspect_ratio_width, |
---|
1873 | 1.0f / volPtr->aspect_ratio_height, |
---|
1874 | 1.0f / volPtr->aspect_ratio_depth, |
---|
1875 | volPtr->wAxis.max()); |
---|
1876 | } |
---|
1877 | } |
---|
1878 | //NanoVis::initParticle(); |
---|
1879 | } |
---|
1880 | #endif |
---|
1881 | |
---|
1882 | void |
---|
1883 | NanoVis::keyboard(unsigned char key, int x, int y) |
---|
1884 | { |
---|
1885 | #ifdef EVENTLOG |
---|
1886 | if(log){ |
---|
1887 | float param[3]; |
---|
1888 | param[0] = cam->x(); |
---|
1889 | param[1] = cam->y(); |
---|
1890 | param[2] = cam->z(); |
---|
1891 | Event* tmp = new Event(EVENT_MOVE, param, NvGetTimeInterval()); |
---|
1892 | tmp->write(event_log); |
---|
1893 | delete tmp; |
---|
1894 | } |
---|
1895 | #endif |
---|
1896 | |
---|
1897 | #ifdef NEW_FLOW_ENGINE |
---|
1898 | switch (key) |
---|
1899 | { |
---|
1900 | case 'a' : |
---|
1901 | { |
---|
1902 | printf("flowvis active\n"); |
---|
1903 | NanoVis::flowVisRenderer->activate(); |
---|
1904 | NanoVis::licRenderer->activate(); |
---|
1905 | } |
---|
1906 | break; |
---|
1907 | case 'd' : |
---|
1908 | { |
---|
1909 | printf("flowvis deactived\n"); |
---|
1910 | NanoVis::flowVisRenderer->deactivate(); |
---|
1911 | NanoVis::licRenderer->deactivate(); |
---|
1912 | } |
---|
1913 | break; |
---|
1914 | case '1' : |
---|
1915 | { |
---|
1916 | addVectorField("/home/iwoo/projects/nanovis/rappture/packages/vizservers/nanovis/data/flowvis_dx_files/jwire/J-wire-vec.dx", |
---|
1917 | "vf_name2", "plane_name1", "plane_name2", Vector4(0, 0, 1, 1), Vector4(0, 1, 1, 1)); |
---|
1918 | printf("add vector field\n"); |
---|
1919 | } |
---|
1920 | break; |
---|
1921 | case '2' : |
---|
1922 | { |
---|
1923 | printf("add vector field\n"); |
---|
1924 | addVectorField("/home/iwoo/projects/nanovis/rappture/packages/vizservers/nanovis/data/flowvis_dx_files/3DWireLeakage/SiO2/SiO2.dx", |
---|
1925 | "vf_name1", "plane_name1", "plane_name2", Vector4(1, 0, 0, 1), Vector4(1, 1, 0, 1)); |
---|
1926 | } |
---|
1927 | break; |
---|
1928 | case '3': |
---|
1929 | { |
---|
1930 | printf("activate\n"); |
---|
1931 | NanoVis::flowVisRenderer->activatePlane("vf_name1", "plane_name2"); |
---|
1932 | } |
---|
1933 | break; |
---|
1934 | case '4' : |
---|
1935 | { |
---|
1936 | printf("deactivate\n"); |
---|
1937 | NanoVis::flowVisRenderer->deactivatePlane("vf_name1", "plane_name2"); |
---|
1938 | } |
---|
1939 | break; |
---|
1940 | case '5' : |
---|
1941 | 86 { |
---|
1942 | a printf("vector field deleted (vf_name2)\n"); |
---|
1943 | NanoVis::flowVisRenderer->removeVectorField("vf_name2"); |
---|
1944 | } |
---|
1945 | break; |
---|
1946 | case '6' : |
---|
1947 | { |
---|
1948 | printf("add device shape\n"); |
---|
1949 | NvDeviceShape shape; |
---|
1950 | shape.min.set(0, 0, 0); |
---|
1951 | shape.max.set(30, 3, 3); |
---|
1952 | shape.color.set(1, 0, 0, 1); |
---|
1953 | NanoVis::flowVisRenderer->addDeviceShape("vf_name1", "device1", shape); |
---|
1954 | shape.min.set(0, -1, -1); |
---|
1955 | shape.max.set(30, 4, 4); |
---|
1956 | shape.color.set(0, 1, 0, 1); |
---|
1957 | NanoVis::flowVisRenderer->addDeviceShape("vf_name1", "device2", shape); |
---|
1958 | shape.min.set(10, -1.5, -1); |
---|
1959 | shape.max.set(20, 4.5, 4.5); |
---|
1960 | shape.color.set(0, 0, 1, 1); |
---|
1961 | NanoVis::flowVisRenderer->addDeviceShape("vf_name1", "device3", shape); |
---|
1962 | NanoVis::flowVisRenderer->activateDeviceShape("vf_name1"); |
---|
1963 | } |
---|
1964 | break; |
---|
1965 | case '7' : |
---|
1966 | { |
---|
1967 | printf("hide shape \n"); |
---|
1968 | NanoVis::flowVisRenderer->deactivateDeviceShape("vf_name1"); |
---|
1969 | } |
---|
1970 | break; |
---|
1971 | case '8' : |
---|
1972 | { |
---|
1973 | printf("show shape\n"); |
---|
1974 | NanoVis::flowVisRenderer->activateDeviceShape("vf_name1"); |
---|
1975 | } |
---|
1976 | break; |
---|
1977 | case '9' : |
---|
1978 | { |
---|
1979 | printf("show a shape \n"); |
---|
1980 | NanoVis::flowVisRenderer->activateDeviceShape("vf_name1", "device3"); |
---|
1981 | } |
---|
1982 | break; |
---|
1983 | case '0' : |
---|
1984 | { |
---|
1985 | printf("delete a shape \n"); |
---|
1986 | NanoVis::flowVisRenderer->deactivateDeviceShape("vf_name1", "device3"); |
---|
1987 | } |
---|
1988 | break; |
---|
1989 | case 'r' : |
---|
1990 | { |
---|
1991 | NanoVis::flowVisRenderer->reset(); |
---|
1992 | NanoVis::licRenderer->reset(); |
---|
1993 | printf("reset \n"); |
---|
1994 | } |
---|
1995 | break; |
---|
1996 | } |
---|
1997 | #endif |
---|
1998 | } |
---|
1999 | |
---|
2000 | void |
---|
2001 | NanoVis::motion(int x, int y) |
---|
2002 | { |
---|
2003 | int old_x, old_y; |
---|
2004 | |
---|
2005 | if(left_down){ |
---|
2006 | old_x = left_last_x; |
---|
2007 | old_y = left_last_y; |
---|
2008 | } else if(right_down){ |
---|
2009 | old_x = right_last_x; |
---|
2010 | old_y = right_last_y; |
---|
2011 | } |
---|
2012 | |
---|
2013 | int delta_x = x - old_x; |
---|
2014 | int delta_y = y - old_y; |
---|
2015 | |
---|
2016 | //more coarse event handling |
---|
2017 | //if(abs(delta_x)<10 && abs(delta_y)<10) |
---|
2018 | //return; |
---|
2019 | |
---|
2020 | if(left_down){ |
---|
2021 | left_last_x = x; |
---|
2022 | left_last_y = y; |
---|
2023 | |
---|
2024 | update_rot(-delta_y, -delta_x); |
---|
2025 | } else if (right_down){ |
---|
2026 | //fprintf(stderr, "right mouse motion (%d,%d)\n", x, y); |
---|
2027 | |
---|
2028 | right_last_x = x; |
---|
2029 | right_last_y = y; |
---|
2030 | |
---|
2031 | update_trans(0, 0, delta_x); |
---|
2032 | } |
---|
2033 | |
---|
2034 | #ifdef EVENTLOG |
---|
2035 | Vector3 angle = cam->rotate(); |
---|
2036 | Event* tmp = new Event(EVENT_ROTATE, &angle, NvGetTimeInterval()); |
---|
2037 | tmp->write(event_log); |
---|
2038 | delete tmp; |
---|
2039 | #endif |
---|
2040 | glutPostRedisplay(); |
---|
2041 | } |
---|
2042 | |
---|
2043 | #endif /*XINETD*/ |
---|
2044 | |
---|
2045 | void |
---|
2046 | NanoVis::render() |
---|
2047 | { |
---|
2048 | |
---|
2049 | if ((NanoVis::licRenderer != NULL) && |
---|
2050 | (NanoVis::licRenderer->isActivated())) { |
---|
2051 | NanoVis::licRenderer->convolve(); |
---|
2052 | } |
---|
2053 | |
---|
2054 | if ((NanoVis::flowVisRenderer != NULL) && |
---|
2055 | (NanoVis::flowVisRenderer->isActivated())) { |
---|
2056 | NanoVis::flowVisRenderer->advect(); |
---|
2057 | } |
---|
2058 | |
---|
2059 | NanoVis::update(); |
---|
2060 | display(); |
---|
2061 | glutSwapBuffers(); |
---|
2062 | } |
---|
2063 | |
---|
2064 | void |
---|
2065 | NanoVis::resize(int x, int y) |
---|
2066 | { |
---|
2067 | glViewport(0, 0, x, y); |
---|
2068 | } |
---|
2069 | |
---|
2070 | void |
---|
2071 | NanoVis::xinetd_listen(void) |
---|
2072 | { |
---|
2073 | if (debug_flag) { |
---|
2074 | fprintf(stderr, "in xinetd_listen\n"); |
---|
2075 | } |
---|
2076 | int flags = fcntl(0, F_GETFL, 0); |
---|
2077 | fcntl(0, F_SETFL, flags & ~O_NONBLOCK); |
---|
2078 | |
---|
2079 | int status = TCL_OK; |
---|
2080 | |
---|
2081 | // Read and execute as many commands as we can from stdin... |
---|
2082 | |
---|
2083 | bool isComplete = false; |
---|
2084 | while ((!feof(NanoVis::stdin)) && (status == TCL_OK)) { |
---|
2085 | // |
---|
2086 | // Read the next command from the buffer. First time through we |
---|
2087 | // block here and wait if necessary until a command comes in. |
---|
2088 | // |
---|
2089 | // BE CAREFUL: Read only one command, up to a newline. The "volume |
---|
2090 | // data follows" command needs to be able to read the data |
---|
2091 | // immediately following the command, and we shouldn't consume it |
---|
2092 | // here. |
---|
2093 | // |
---|
2094 | if (debug_flag) { |
---|
2095 | fprintf(stderr, "in xinetd_listen: check eof %d\n", |
---|
2096 | feof(NanoVis::stdin)); |
---|
2097 | } |
---|
2098 | while (!feof(NanoVis::stdin)) { |
---|
2099 | int c = fgetc(NanoVis::stdin); |
---|
2100 | char ch; |
---|
2101 | if (c <= 0) { |
---|
2102 | if (errno == EWOULDBLOCK) { |
---|
2103 | break; |
---|
2104 | } |
---|
2105 | DoExit(100); |
---|
2106 | } |
---|
2107 | ch = (char)c; |
---|
2108 | Tcl_DStringAppend(&cmdbuffer, &ch, 1); |
---|
2109 | if (ch == '\n') { |
---|
2110 | isComplete = Tcl_CommandComplete(Tcl_DStringValue(&cmdbuffer)); |
---|
2111 | if (isComplete) { |
---|
2112 | break; |
---|
2113 | } |
---|
2114 | } |
---|
2115 | } |
---|
2116 | // no command? then we're done for now |
---|
2117 | if (Tcl_DStringLength(&cmdbuffer) == 0) { |
---|
2118 | break; |
---|
2119 | } |
---|
2120 | if (isComplete) { |
---|
2121 | // back to original flags during command evaluation... |
---|
2122 | fcntl(0, F_SETFL, flags & ~O_NONBLOCK); |
---|
2123 | status = ExecuteCommand(interp, &cmdbuffer); |
---|
2124 | // non-blocking for next read -- we might not get anything |
---|
2125 | fcntl(0, F_SETFL, flags | O_NONBLOCK); |
---|
2126 | isComplete = false; |
---|
2127 | } |
---|
2128 | } |
---|
2129 | fcntl(0, F_SETFL, flags); |
---|
2130 | |
---|
2131 | if (status != TCL_OK) { |
---|
2132 | const char *string; |
---|
2133 | int nBytes; |
---|
2134 | |
---|
2135 | string = Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY); |
---|
2136 | nBytes = strlen(string); |
---|
2137 | struct iovec iov[3]; |
---|
2138 | iov[0].iov_base = (char *)"NanoVis Server Error: "; |
---|
2139 | iov[0].iov_len = strlen((char *)iov[0].iov_base); |
---|
2140 | iov[1].iov_base = (char *)string; |
---|
2141 | iov[1].iov_len = nBytes; |
---|
2142 | iov[2].iov_len = 1; |
---|
2143 | iov[2].iov_base = (char *)'\n'; |
---|
2144 | writev(0, iov, 3); |
---|
2145 | if (debug_flag) { |
---|
2146 | fprintf(stderr, "leaving xinetd_listen\n"); |
---|
2147 | } |
---|
2148 | return; |
---|
2149 | } |
---|
2150 | |
---|
2151 | NanoVis::update(); |
---|
2152 | |
---|
2153 | NanoVis::offscreen_buffer_capture(); //enable offscreen render |
---|
2154 | |
---|
2155 | NanoVis::display(); |
---|
2156 | |
---|
2157 | // INSOO |
---|
2158 | #ifdef XINETD |
---|
2159 | NanoVis::read_screen(); |
---|
2160 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); |
---|
2161 | #else |
---|
2162 | NanoVis::display_offscreen_buffer(); //display the final rendering on screen |
---|
2163 | NanoVis::read_screen(); |
---|
2164 | glutSwapBuffers(); |
---|
2165 | #endif |
---|
2166 | |
---|
2167 | #if DO_RLE |
---|
2168 | do_rle(); |
---|
2169 | int sizes[2] = { offsets_size*sizeof(offsets[0]), rle_size }; |
---|
2170 | fprintf(stderr, "Writing %d,%d\n", sizes[0], sizes[1]); fflush(stderr); |
---|
2171 | write(0, &sizes, sizeof(sizes)); |
---|
2172 | write(0, offsets, offsets_size*sizeof(offsets[0])); |
---|
2173 | write(0, rle, rle_size); //unsigned byte |
---|
2174 | #else |
---|
2175 | if (debug_flag) { |
---|
2176 | fprintf(stderr, "ppm image not written (debug mode)\n"); |
---|
2177 | bmp_write_to_file(1, "/tmp"); |
---|
2178 | } else { |
---|
2179 | NanoVis::ppm_write("nv>image -type image -bytes"); |
---|
2180 | } |
---|
2181 | #endif |
---|
2182 | if (feof(NanoVis::stdin)) { |
---|
2183 | DoExit(90); |
---|
2184 | } |
---|
2185 | if (debug_flag) { |
---|
2186 | fprintf(stderr, "leaving xinetd_listen\n"); |
---|
2187 | } |
---|
2188 | } |
---|
2189 | |
---|
2190 | |
---|
2191 | /*----------------------------------------------------*/ |
---|
2192 | int |
---|
2193 | main(int argc, char** argv) |
---|
2194 | { |
---|
2195 | const char *path; |
---|
2196 | char *newPath; |
---|
2197 | struct timeval tv; |
---|
2198 | |
---|
2199 | newPath = NULL; |
---|
2200 | path = NULL; |
---|
2201 | NanoVis::stdin = stdin; |
---|
2202 | NanoVis::logfile = stderr; |
---|
2203 | |
---|
2204 | gettimeofday(&tv, NULL); |
---|
2205 | stats.start = tv; |
---|
2206 | |
---|
2207 | /* Initialize GLUT here so it can parse and remove GLUT-specific |
---|
2208 | * command-line options before we parse the command-line below. */ |
---|
2209 | glutInit(&argc, argv); |
---|
2210 | glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA); |
---|
2211 | glutInitWindowSize(NanoVis::win_width, NanoVis::win_height); |
---|
2212 | glutInitWindowPosition(10, 10); |
---|
2213 | NanoVis::render_window = glutCreateWindow("nanovis"); |
---|
2214 | glutIdleFunc(NanoVis::idle); |
---|
2215 | |
---|
2216 | #ifndef XINETD |
---|
2217 | glutMouseFunc(NanoVis::mouse); |
---|
2218 | glutMotionFunc(NanoVis::motion); |
---|
2219 | glutKeyboardFunc(NanoVis::keyboard); |
---|
2220 | glutReshapeFunc(NanoVis::resize); |
---|
2221 | glutDisplayFunc(NanoVis::render); |
---|
2222 | #else |
---|
2223 | glutDisplayFunc(NanoVis::display); |
---|
2224 | glutReshapeFunc(NanoVis::resize_offscreen_buffer); |
---|
2225 | #endif |
---|
2226 | |
---|
2227 | while (1) { |
---|
2228 | static struct option long_options[] = { |
---|
2229 | {"infile", required_argument, NULL, 0}, |
---|
2230 | {"logfile", required_argument, NULL, 1}, |
---|
2231 | {"path", required_argument, NULL, 2}, |
---|
2232 | {"debug", no_argument, NULL, 3}, |
---|
2233 | {"record", required_argument, NULL, 4}, |
---|
2234 | {0, 0, 0, 0} |
---|
2235 | }; |
---|
2236 | int option_index = 0; |
---|
2237 | int c; |
---|
2238 | |
---|
2239 | c = getopt_long(argc, argv, ":dp:i:l:r:", long_options, &option_index); |
---|
2240 | if (c == -1) { |
---|
2241 | break; |
---|
2242 | } |
---|
2243 | switch (c) { |
---|
2244 | case '?': |
---|
2245 | fprintf(stderr, "unknown option -%c\n", optopt); |
---|
2246 | return 1; |
---|
2247 | case ':': |
---|
2248 | if (optopt < 4) { |
---|
2249 | fprintf(stderr, "argument missing for --%s option\n", |
---|
2250 | long_options[optopt].name); |
---|
2251 | } else { |
---|
2252 | fprintf(stderr, "argument missing for -%c option\n", optopt); |
---|
2253 | } |
---|
2254 | return 1; |
---|
2255 | case 2: |
---|
2256 | case 'p': |
---|
2257 | path = optarg; |
---|
2258 | break; |
---|
2259 | case 3: |
---|
2260 | case 'd': |
---|
2261 | NanoVis::debug_flag = true; |
---|
2262 | break; |
---|
2263 | case 0: |
---|
2264 | case 'i': |
---|
2265 | NanoVis::stdin = fopen(optarg, "r"); |
---|
2266 | if (NanoVis::stdin == NULL) { |
---|
2267 | perror(optarg); |
---|
2268 | return 2; |
---|
2269 | } |
---|
2270 | break; |
---|
2271 | case 1: |
---|
2272 | case 'l': |
---|
2273 | NanoVis::logfile = fopen(optarg, "w"); |
---|
2274 | if (NanoVis::logfile == NULL) { |
---|
2275 | perror(optarg); |
---|
2276 | return 2; |
---|
2277 | } |
---|
2278 | break; |
---|
2279 | case 4: |
---|
2280 | case 'r': |
---|
2281 | Tcl_DString ds; |
---|
2282 | char buf[200]; |
---|
2283 | |
---|
2284 | Tcl_DStringInit(&ds); |
---|
2285 | Tcl_DStringAppend(&ds, optarg, -1); |
---|
2286 | sprintf(buf, ".%d", getpid()); |
---|
2287 | Tcl_DStringAppend(&ds, buf, -1); |
---|
2288 | NanoVis::recfile = fopen(Tcl_DStringValue(&ds), "w"); |
---|
2289 | if (NanoVis::recfile == NULL) { |
---|
2290 | perror(optarg); |
---|
2291 | return 2; |
---|
2292 | } |
---|
2293 | break; |
---|
2294 | default: |
---|
2295 | fprintf(stderr,"unknown option '%c'.\n", c); |
---|
2296 | return 1; |
---|
2297 | } |
---|
2298 | } |
---|
2299 | if (path == NULL) { |
---|
2300 | char *p; |
---|
2301 | |
---|
2302 | // See if we can derive the path from the location of the program. |
---|
2303 | // Assume program is in the form <path>/bin/nanovis. |
---|
2304 | |
---|
2305 | #ifdef XINETD |
---|
2306 | path = argv[0]; |
---|
2307 | p = strrchr(path, '/'); |
---|
2308 | if (p != NULL) { |
---|
2309 | *p = '\0'; |
---|
2310 | p = strrchr(path, '/'); |
---|
2311 | } |
---|
2312 | if (p == NULL) { |
---|
2313 | fprintf(stderr, "path not specified\n"); |
---|
2314 | return 1; |
---|
2315 | } |
---|
2316 | *p = '\0'; |
---|
2317 | newPath = new char[(strlen(path) + 15) * 2 + 1]; |
---|
2318 | sprintf(newPath, "%s/lib/shaders:%s/lib/resources", path, path); |
---|
2319 | path = newPath; |
---|
2320 | #else |
---|
2321 | char buff[256]; |
---|
2322 | getcwd(buff, 255); |
---|
2323 | p = strrchr(buff, '/'); |
---|
2324 | if (p != NULL) { |
---|
2325 | *p = '\0'; |
---|
2326 | } |
---|
2327 | newPath = new char[(strlen(buff) + 15) * 2 + 1]; |
---|
2328 | sprintf(newPath, "%s/lib/shaders:%s/lib/resources", buff, buff); |
---|
2329 | path = newPath; |
---|
2330 | #endif |
---|
2331 | } |
---|
2332 | R2FilePath::getInstance()->setWorkingDirectory(argc, (const char**) argv); |
---|
2333 | |
---|
2334 | #ifdef XINETD |
---|
2335 | signal(SIGPIPE,SIG_IGN); |
---|
2336 | NvInitService(); |
---|
2337 | #endif |
---|
2338 | |
---|
2339 | NanoVis::init(path); |
---|
2340 | if (newPath != NULL) { |
---|
2341 | delete [] newPath; |
---|
2342 | } |
---|
2343 | NanoVis::initGL(); |
---|
2344 | #ifdef EVENTLOG |
---|
2345 | NvInitEventLog(); |
---|
2346 | #endif |
---|
2347 | Tcl_DStringInit(&NanoVis::cmdbuffer); |
---|
2348 | NanoVis::interp = initTcl(); |
---|
2349 | NanoVis::resize_offscreen_buffer(NanoVis::win_width, NanoVis::win_height); |
---|
2350 | |
---|
2351 | glutMainLoop(); |
---|
2352 | DoExit(80); |
---|
2353 | } |
---|
2354 | |
---|
2355 | int |
---|
2356 | NanoVis::render_2d_contour(HeightMap* heightmap, int width, int height) |
---|
2357 | { |
---|
2358 | int old_width = win_width; |
---|
2359 | int old_height = win_height; |
---|
2360 | |
---|
2361 | resize_offscreen_buffer(width, height); |
---|
2362 | |
---|
2363 | /* |
---|
2364 | plane_render->set_screen_size(width, height); |
---|
2365 | |
---|
2366 | // generate data for the legend |
---|
2367 | float data[512]; |
---|
2368 | for (int i=0; i < 256; i++) { |
---|
2369 | data[i] = data[i+256] = (float)(i/255.0); |
---|
2370 | } |
---|
2371 | plane[0] = new Texture2D(256, 2, GL_FLOAT, GL_LINEAR, 1, data); |
---|
2372 | int index = plane_render->add_plane(plane[0], tf); |
---|
2373 | plane_render->set_active_plane(index); |
---|
2374 | |
---|
2375 | offscreen_buffer_capture(); |
---|
2376 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear screen |
---|
2377 | |
---|
2378 | //plane_render->render(); |
---|
2379 | // INSOO : is going to implement here for the topview of the heightmap |
---|
2380 | heightmap->render(renderContext); |
---|
2381 | |
---|
2382 | // INSOO |
---|
2383 | glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, screen_buffer); |
---|
2384 | //glReadPixels(0, 0, width, height, GL_BGR, GL_UNSIGNED_BYTE, screen_buffer); // INSOO's |
---|
2385 | */ |
---|
2386 | |
---|
2387 | |
---|
2388 | // HELP ME |
---|
2389 | // GEORGE |
---|
2390 | // I am not sure what I should do |
---|
2391 | //char prefix[200]; |
---|
2392 | //sprintf(prefix, "nv>height_top_view %s %g %g", volArg, min, max); |
---|
2393 | //ppm_write(prefix); |
---|
2394 | //write(0, "\n", 1); |
---|
2395 | //plane_render->remove_plane(index); |
---|
2396 | |
---|
2397 | // CURRENT |
---|
2398 | offscreen_buffer_capture(); |
---|
2399 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear screen |
---|
2400 | //glEnable(GL_TEXTURE_2D); |
---|
2401 | //glEnable(GL_DEPTH_TEST); |
---|
2402 | //heightmap->render_topview(renderContext, width, height); |
---|
2403 | //NanoVis::display(); |
---|
2404 | if (HeightMap::update_pending) { |
---|
2405 | SetHeightmapRanges(); |
---|
2406 | } |
---|
2407 | |
---|
2408 | //cam->activate(); |
---|
2409 | |
---|
2410 | heightmap->render_topview(renderContext, width, height); |
---|
2411 | |
---|
2412 | NanoVis::read_screen(); |
---|
2413 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); |
---|
2414 | |
---|
2415 | // INSOO TEST CODE |
---|
2416 | bmp_write_to_file(1, "/tmp"); |
---|
2417 | |
---|
2418 | resize_offscreen_buffer(old_width, old_height); |
---|
2419 | |
---|
2420 | return TCL_OK; |
---|
2421 | } |
---|