1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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2 | /* |
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3 | * ---------------------------------------------------------------------- |
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4 | * Command.cpp |
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5 | * |
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6 | * This modules creates the Tcl interface to the nanovis server. The |
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7 | * communication protocol of the server is the Tcl language. Commands |
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8 | * given to the server by clients are executed in a safe interpreter and |
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9 | * the resulting image rendered offscreen is returned as BMP-formatted |
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10 | * image data. |
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11 | * |
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12 | * ====================================================================== |
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13 | * AUTHOR: Wei Qiao <qiaow@purdue.edu> |
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14 | * Michael McLennan <mmclennan@purdue.edu> |
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15 | * Purdue Rendering and Perceptualization Lab (PURPL) |
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16 | * |
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17 | * Copyright (c) 2004-2013 HUBzero Foundation, LLC |
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18 | * |
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19 | * See the file "license.terms" for information on usage and |
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20 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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21 | * ====================================================================== |
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22 | */ |
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23 | |
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24 | /* |
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25 | * TODO: In no particular order... |
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26 | * o Use Tcl command option parser to reduce size of procedures, remove |
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27 | * lots of extra error checking code. (almost there) |
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28 | * o Add bookkeeping for volumes, heightmaps, flows, etc. to track |
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29 | * 1) simulation # 2) include/exclude. The include/exclude |
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30 | * is to indicate whether the item should contribute to the overall |
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31 | * limits of the axes. |
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32 | */ |
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33 | |
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34 | #include <assert.h> |
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35 | #include <errno.h> |
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36 | #include <stdlib.h> |
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37 | #include <unistd.h> /* Needed for getpid, gethostname, |
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38 | * write, etc. */ |
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39 | #include <tcl.h> |
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40 | |
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41 | #include <RpEncode.h> |
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42 | #include <RpBuffer.h> |
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43 | |
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44 | #include <vrmath/Vector3f.h> |
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45 | |
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46 | #include "nanovisServer.h" |
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47 | #include "nanovis.h" |
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48 | #include "ReadBuffer.h" |
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49 | #ifdef USE_THREADS |
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50 | #include "ResponseQueue.h" |
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51 | #endif |
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52 | #include "Command.h" |
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53 | #include "CmdProc.h" |
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54 | #include "FlowCmd.h" |
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55 | #ifdef USE_DX_READER |
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56 | #include "dxReader.h" |
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57 | #endif |
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58 | #ifdef USE_VTK |
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59 | #include "VtkDataSetReader.h" |
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60 | #else |
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61 | #include "VtkReader.h" |
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62 | #endif |
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63 | #include "BMPWriter.h" |
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64 | #include "PPMWriter.h" |
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65 | #include "Grid.h" |
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66 | #include "HeightMap.h" |
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67 | #include "Camera.h" |
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68 | #include "ZincBlendeReconstructor.h" |
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69 | #include "OrientationIndicator.h" |
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70 | #include "Unirect.h" |
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71 | #include "Volume.h" |
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72 | #include "VolumeRenderer.h" |
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73 | #include "Trace.h" |
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74 | |
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75 | using namespace nv; |
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76 | using namespace nv::graphics; |
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77 | using namespace vrmath; |
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78 | |
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79 | // default transfer function |
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80 | static const char def_transfunc[] = |
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81 | "transfunc define default {\n\ |
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82 | 0.00 0 0 1\n\ |
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83 | 0.25 0 1 1\n\ |
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84 | 0.50 0 1 0\n\ |
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85 | 0.75 1 1 0\n\ |
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86 | 1.00 1 0 0\n\ |
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87 | } {\n\ |
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88 | 0.000000 0.0\n\ |
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89 | 0.107847 0.0\n\ |
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90 | 0.107857 1.0\n\ |
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91 | 0.177857 1.0\n\ |
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92 | 0.177867 0.0\n\ |
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93 | 0.250704 0.0\n\ |
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94 | 0.250714 1.0\n\ |
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95 | 0.320714 1.0\n\ |
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96 | 0.320724 0.0\n\ |
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97 | 0.393561 0.0\n\ |
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98 | 0.393571 1.0\n\ |
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99 | 0.463571 1.0\n\ |
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100 | 0.463581 0.0\n\ |
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101 | 0.536419 0.0\n\ |
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102 | 0.536429 1.0\n\ |
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103 | 0.606429 1.0\n\ |
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104 | 0.606439 0.0\n\ |
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105 | 0.679276 0.0\n\ |
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106 | 0.679286 1.0\n\ |
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107 | 0.749286 1.0\n\ |
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108 | 0.749296 0.0\n\ |
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109 | 0.822133 0.0\n\ |
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110 | 0.822143 1.0\n\ |
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111 | 0.892143 1.0\n\ |
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112 | 0.892153 0.0\n\ |
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113 | 1.000000 0.0\n\ |
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114 | }"; |
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115 | |
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116 | static int lastCmdStatus; |
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117 | |
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118 | #ifdef USE_THREADS |
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119 | void |
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120 | nv::queueResponse(const void *bytes, size_t len, |
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121 | Response::AllocationType allocType, |
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122 | Response::ResponseType type) |
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123 | { |
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124 | Response *response = new Response(type); |
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125 | response->setMessage((unsigned char *)bytes, len, allocType); |
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126 | g_queue->enqueue(response); |
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127 | } |
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128 | #else |
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129 | |
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130 | ssize_t |
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131 | nv::SocketWrite(const void *bytes, size_t len) |
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132 | { |
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133 | size_t ofs = 0; |
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134 | ssize_t bytesWritten; |
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135 | while ((bytesWritten = write(g_fdOut, (const char *)bytes + ofs, len - ofs)) > 0) { |
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136 | ofs += bytesWritten; |
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137 | if (ofs == len) |
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138 | break; |
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139 | } |
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140 | if (bytesWritten < 0) { |
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141 | ERROR("write: %s", strerror(errno)); |
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142 | } |
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143 | return bytesWritten; |
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144 | } |
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145 | |
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146 | #endif /*USE_THREADS*/ |
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147 | |
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148 | bool |
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149 | nv::SocketRead(char *bytes, size_t len) |
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150 | { |
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151 | ReadBuffer::BufferStatus status; |
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152 | status = g_inBufPtr->followingData((unsigned char *)bytes, len); |
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153 | TRACE("followingData status: %d", status); |
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154 | return (status == ReadBuffer::OK); |
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155 | } |
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156 | |
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157 | static int |
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158 | ExecuteCommand(Tcl_Interp *interp, Tcl_DString *dsPtr) |
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159 | { |
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160 | int result; |
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161 | #ifdef WANT_TRACE |
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162 | char *str = Tcl_DStringValue(dsPtr); |
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163 | std::string cmd(str); |
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164 | cmd.erase(cmd.find_last_not_of(" \n\r\t")+1); |
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165 | TRACE("command %lu: '%s'", g_stats.nCommands+1, cmd.c_str()); |
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166 | #endif |
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167 | lastCmdStatus = TCL_OK; |
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168 | result = Tcl_EvalEx(interp, Tcl_DStringValue(dsPtr), |
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169 | Tcl_DStringLength(dsPtr), |
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170 | TCL_EVAL_DIRECT | TCL_EVAL_GLOBAL); |
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171 | Tcl_DStringSetLength(dsPtr, 0); |
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172 | if (lastCmdStatus == TCL_BREAK) { |
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173 | return TCL_BREAK; |
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174 | } |
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175 | lastCmdStatus = result; |
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176 | if (result != TCL_OK) { |
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177 | TRACE("Error: %d", result); |
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178 | } |
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179 | return result; |
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180 | } |
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181 | |
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182 | int |
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183 | nv::GetBooleanFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, bool *boolPtr) |
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184 | { |
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185 | int value; |
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186 | |
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187 | if (Tcl_GetBooleanFromObj(interp, objPtr, &value) != TCL_OK) { |
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188 | return TCL_ERROR; |
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189 | } |
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190 | *boolPtr = (bool)value; |
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191 | return TCL_OK; |
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192 | } |
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193 | |
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194 | int |
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195 | nv::GetFloatFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, float *valuePtr) |
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196 | { |
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197 | double value; |
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198 | |
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199 | if (Tcl_GetDoubleFromObj(interp, objPtr, &value) != TCL_OK) { |
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200 | return TCL_ERROR; |
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201 | } |
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202 | *valuePtr = (float)value; |
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203 | return TCL_OK; |
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204 | } |
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205 | |
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206 | static int |
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207 | GetCullMode(Tcl_Interp *interp, Tcl_Obj *objPtr, |
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208 | RenderContext::CullMode *modePtr) |
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209 | { |
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210 | const char *string = Tcl_GetString(objPtr); |
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211 | if (strcmp(string, "none") == 0) { |
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212 | *modePtr = RenderContext::NO_CULL; |
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213 | } else if (strcmp(string, "front") == 0) { |
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214 | *modePtr = RenderContext::FRONT; |
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215 | } else if (strcmp(string, "back") == 0) { |
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216 | *modePtr = RenderContext::BACK; |
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217 | } else { |
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218 | Tcl_AppendResult(interp, "invalid cull mode \"", string, |
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219 | "\": should be front, back, or none\"", (char *)NULL); |
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220 | return TCL_ERROR; |
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221 | } |
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222 | return TCL_OK; |
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223 | } |
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224 | |
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225 | static int |
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226 | GetShadingModel(Tcl_Interp *interp, Tcl_Obj *objPtr, |
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227 | RenderContext::ShadingModel *modelPtr) |
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228 | { |
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229 | const char *string = Tcl_GetString(objPtr); |
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230 | |
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231 | if (strcmp(string,"flat") == 0) { |
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232 | *modelPtr = RenderContext::FLAT; |
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233 | } else if (strcmp(string,"smooth") == 0) { |
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234 | *modelPtr = RenderContext::SMOOTH; |
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235 | } else { |
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236 | Tcl_AppendResult(interp, "bad shading model \"", string, |
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237 | "\": should be flat or smooth", (char *)NULL); |
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238 | return TCL_ERROR; |
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239 | } |
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240 | return TCL_OK; |
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241 | } |
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242 | |
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243 | static int |
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244 | GetPolygonMode(Tcl_Interp *interp, Tcl_Obj *objPtr, |
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245 | RenderContext::PolygonMode *modePtr) |
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246 | { |
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247 | const char *string = Tcl_GetString(objPtr); |
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248 | |
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249 | if (strcmp(string,"wireframe") == 0) { |
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250 | *modePtr = RenderContext::LINE; |
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251 | } else if (strcmp(string,"fill") == 0) { |
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252 | *modePtr = RenderContext::FILL; |
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253 | } else { |
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254 | Tcl_AppendResult(interp, "invalid polygon mode \"", string, |
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255 | "\": should be wireframe or fill\"", (char *)NULL); |
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256 | return TCL_ERROR; |
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257 | } |
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258 | return TCL_OK; |
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259 | } |
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260 | |
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261 | /** |
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262 | * Creates a heightmap from the given the data. The format of the data |
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263 | * should be as follows: |
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264 | * |
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265 | * xMin, xMax, xNum, yMin, yMax, yNum, heights... |
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266 | * |
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267 | * xNum and yNum must be integer values, all others are real numbers. |
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268 | * The number of heights must be xNum * yNum; |
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269 | */ |
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270 | static HeightMap * |
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271 | CreateHeightMap(ClientData clientData, Tcl_Interp *interp, int objc, |
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272 | Tcl_Obj *const *objv) |
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273 | { |
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274 | float xMin, yMin, xMax, yMax; |
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275 | int xNum, yNum; |
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276 | |
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277 | if (objc != 7) { |
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278 | Tcl_AppendResult(interp, |
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279 | "wrong # of values: should be xMin yMin xMax yMax xNum yNum heights", |
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280 | (char *)NULL); |
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281 | return NULL; |
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282 | } |
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283 | if ((GetFloatFromObj(interp, objv[0], &xMin) != TCL_OK) || |
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284 | (GetFloatFromObj(interp, objv[1], &yMin) != TCL_OK) || |
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285 | (GetFloatFromObj(interp, objv[2], &xMax) != TCL_OK) || |
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286 | (GetFloatFromObj(interp, objv[3], &yMax) != TCL_OK) || |
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287 | (Tcl_GetIntFromObj(interp, objv[4], &xNum) != TCL_OK) || |
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288 | (Tcl_GetIntFromObj(interp, objv[5], &yNum) != TCL_OK)) { |
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289 | return NULL; |
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290 | } |
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291 | int nValues; |
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292 | Tcl_Obj **elem; |
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293 | if (Tcl_ListObjGetElements(interp, objv[6], &nValues, &elem) != TCL_OK) { |
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294 | return NULL; |
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295 | } |
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296 | if ((xNum <= 0) || (yNum <= 0)) { |
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297 | Tcl_AppendResult(interp, "bad number of x or y values", (char *)NULL); |
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298 | return NULL; |
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299 | } |
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300 | if (nValues != (xNum * yNum)) { |
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301 | Tcl_AppendResult(interp, "wrong # of heights", (char *)NULL); |
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302 | return NULL; |
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303 | } |
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304 | |
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305 | float *heights; |
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306 | heights = new float[nValues]; |
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307 | if (heights == NULL) { |
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308 | Tcl_AppendResult(interp, "can't allocate array of heights", |
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309 | (char *)NULL); |
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310 | return NULL; |
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311 | } |
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312 | |
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313 | int i; |
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314 | for (i = 0; i < nValues; i++) { |
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315 | if (GetFloatFromObj(interp, elem[i], heights + i) != TCL_OK) { |
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316 | delete [] heights; |
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317 | return NULL; |
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318 | } |
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319 | } |
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320 | HeightMap *heightMap = new HeightMap(); |
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321 | heightMap->setHeight(xMin, yMin, xMax, yMax, xNum, yNum, heights); |
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322 | heightMap->transferFunction(NanoVis::getTransferFunction("default")); |
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323 | heightMap->setVisible(true); |
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324 | heightMap->setLineContourVisible(true); |
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325 | delete [] heights; |
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326 | return heightMap; |
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327 | } |
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328 | |
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329 | static int |
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330 | GetHeightMapFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, HeightMap **hmPtrPtr) |
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331 | { |
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332 | const char *string = Tcl_GetString(objPtr); |
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333 | |
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334 | NanoVis::HeightMapHashmap::iterator itr = NanoVis::heightMapTable.find(string); |
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335 | if (itr == NanoVis::heightMapTable.end()) { |
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336 | if (interp != NULL) { |
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337 | Tcl_AppendResult(interp, "can't find a heightmap named \"", |
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338 | string, "\"", (char*)NULL); |
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339 | } |
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340 | return TCL_ERROR; |
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341 | } |
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342 | *hmPtrPtr = itr->second; |
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343 | return TCL_OK; |
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344 | } |
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345 | |
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346 | /** |
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347 | * Used internally to decode a series of volume index values and |
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348 | * store then in the specified vector. If there are no volume index |
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349 | * arguments, this means "all volumes" to most commands, so all |
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350 | * active volume indices are stored in the vector. |
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351 | * |
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352 | * Updates pushes index values into the vector. Returns TCL_OK or |
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353 | * TCL_ERROR to indicate an error. |
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354 | */ |
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355 | static int |
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356 | GetVolumeFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, Volume **volPtrPtr) |
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357 | { |
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358 | const char *string = Tcl_GetString(objPtr); |
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359 | |
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360 | NanoVis::VolumeHashmap::iterator itr = NanoVis::volumeTable.find(string); |
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361 | if (itr == NanoVis::volumeTable.end()) { |
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362 | if (interp != NULL) { |
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363 | Tcl_AppendResult(interp, "can't find a volume named \"", |
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364 | string, "\"", (char*)NULL); |
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365 | } |
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366 | return TCL_ERROR; |
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367 | } |
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368 | *volPtrPtr = itr->second; |
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369 | return TCL_OK; |
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370 | } |
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371 | |
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372 | /** |
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373 | * Used internally to decode a series of volume index values and |
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374 | * store then in the specified vector. If there are no volume index |
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375 | * arguments, this means "all volumes" to most commands, so all |
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376 | * active volume indices are stored in the vector. |
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377 | * |
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378 | * Updates pushes index values into the vector. Returns TCL_OK or |
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379 | * TCL_ERROR to indicate an error. |
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380 | */ |
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381 | static int |
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382 | GetVolumes(Tcl_Interp *interp, int objc, Tcl_Obj *const *objv, |
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383 | std::vector<Volume *>* vectorPtr) |
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384 | { |
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385 | if (objc == 0) { |
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386 | // No arguments. Get all volumes. |
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387 | NanoVis::VolumeHashmap::iterator itr; |
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388 | for (itr = NanoVis::volumeTable.begin(); |
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389 | itr != NanoVis::volumeTable.end(); ++itr) { |
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390 | vectorPtr->push_back(itr->second); |
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391 | } |
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392 | } else { |
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393 | // Get the volumes associated with the given index arguments. |
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394 | for (int n = 0; n < objc; n++) { |
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395 | Volume *volume; |
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396 | if (GetVolumeFromObj(interp, objv[n], &volume) != TCL_OK) { |
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397 | return TCL_ERROR; |
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398 | } |
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399 | vectorPtr->push_back(volume); |
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400 | } |
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401 | } |
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402 | return TCL_OK; |
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403 | } |
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404 | |
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405 | /** |
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406 | * Used internally to decode a series of volume index values and |
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407 | * store then in the specified vector. If there are no volume index |
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408 | * arguments, this means "all volumes" to most commands, so all |
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409 | * active volume indices are stored in the vector. |
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410 | * |
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411 | * Updates pushes index values into the vector. Returns TCL_OK or |
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412 | * TCL_ERROR to indicate an error. |
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413 | */ |
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414 | static int |
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415 | GetHeightMaps(Tcl_Interp *interp, int objc, Tcl_Obj *const *objv, |
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416 | std::vector<HeightMap *>* vectorPtr) |
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417 | { |
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418 | if (objc == 0) { |
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419 | // No arguments. Get all heightmaps. |
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420 | NanoVis::HeightMapHashmap::iterator itr; |
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421 | for (itr = NanoVis::heightMapTable.begin(); |
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422 | itr != NanoVis::heightMapTable.end(); ++itr) { |
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423 | vectorPtr->push_back(itr->second); |
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424 | } |
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425 | } else { |
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426 | for (int n = 0; n < objc; n++) { |
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427 | HeightMap *heightMap; |
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428 | if (GetHeightMapFromObj(interp, objv[n], &heightMap) != TCL_OK) { |
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429 | return TCL_ERROR; |
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430 | } |
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431 | vectorPtr->push_back(heightMap); |
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432 | } |
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433 | } |
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434 | return TCL_OK; |
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435 | } |
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436 | |
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437 | /** |
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438 | * Used internally to decode an axis value from a string ("x", "y", |
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439 | * or "z") to its index (0, 1, or 2). Returns TCL_OK if successful, |
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440 | * along with a value in valPtr. Otherwise, it returns TCL_ERROR |
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441 | * and an error message in the interpreter. |
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442 | */ |
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443 | static int |
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444 | GetAxis(Tcl_Interp *interp, const char *string, int *indexPtr) |
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445 | { |
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446 | if (string[1] == '\0') { |
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447 | char c; |
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448 | |
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449 | c = tolower((unsigned char)string[0]); |
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450 | if (c == 'x') { |
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451 | *indexPtr = 0; |
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452 | return TCL_OK; |
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453 | } else if (c == 'y') { |
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454 | *indexPtr = 1; |
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455 | return TCL_OK; |
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456 | } else if (c == 'z') { |
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457 | *indexPtr = 2; |
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458 | return TCL_OK; |
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459 | } |
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460 | /*FALLTHRU*/ |
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461 | } |
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462 | Tcl_AppendResult(interp, "bad axis \"", string, |
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463 | "\": should be x, y, or z", (char*)NULL); |
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464 | return TCL_ERROR; |
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465 | } |
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466 | |
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467 | /** |
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468 | * Used internally to decode an axis value from a string ("x", "y", |
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469 | * or "z") to its index (0, 1, or 2). Returns TCL_OK if successful, |
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470 | * along with a value in indexPtr. Otherwise, it returns TCL_ERROR |
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471 | * and an error message in the interpreter. |
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472 | */ |
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473 | int |
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474 | nv::GetAxisFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, int *indexPtr) |
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475 | { |
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476 | return GetAxis(interp, Tcl_GetString(objPtr), indexPtr); |
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477 | } |
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478 | |
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479 | /** |
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480 | * Used internally to decode an axis value from a string ("x", "y", |
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481 | * or "z") to its index (0, 1, or 2). Returns TCL_OK if successful, |
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482 | * along with a value in indexPtr. Otherwise, it returns TCL_ERROR |
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483 | * and an error message in the interpreter. |
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484 | */ |
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485 | static int |
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486 | GetAxisDirFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, int *indexPtr, int *dirPtr) |
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487 | { |
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488 | const char *string = Tcl_GetString(objPtr); |
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489 | |
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490 | int sign = 1; |
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491 | if (*string == '-') { |
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492 | sign = -1; |
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493 | string++; |
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494 | } |
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495 | if (GetAxis(interp, string, indexPtr) != TCL_OK) { |
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496 | return TCL_ERROR; |
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497 | } |
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498 | if (dirPtr != NULL) { |
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499 | *dirPtr = sign; |
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500 | } |
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501 | return TCL_OK; |
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502 | } |
---|
503 | |
---|
504 | /** |
---|
505 | * Used internally to decode a color value from a string ("R G B") |
---|
506 | * as a list of three numbers 0-1. Returns TCL_OK if successful, |
---|
507 | * along with RGB values in rgbPtr. Otherwise, it returns TCL_ERROR |
---|
508 | * and an error message in the interpreter. |
---|
509 | */ |
---|
510 | static int |
---|
511 | GetColor(Tcl_Interp *interp, int objc, Tcl_Obj *const *objv, float *rgbPtr) |
---|
512 | { |
---|
513 | if (objc < 3) { |
---|
514 | Tcl_AppendResult(interp, "missing color values\": ", |
---|
515 | "should list of R G B values 0.0 - 1.0", (char*)NULL); |
---|
516 | return TCL_ERROR; |
---|
517 | } |
---|
518 | if ((GetFloatFromObj(interp, objv[0], rgbPtr + 0) != TCL_OK) || |
---|
519 | (GetFloatFromObj(interp, objv[1], rgbPtr + 1) != TCL_OK) || |
---|
520 | (GetFloatFromObj(interp, objv[2], rgbPtr + 2) != TCL_OK)) { |
---|
521 | return TCL_ERROR; |
---|
522 | } |
---|
523 | return TCL_OK; |
---|
524 | } |
---|
525 | |
---|
526 | /** |
---|
527 | * Read the requested number of bytes from standard input into the given |
---|
528 | * buffer. The buffer must have already been allocated for nBytes. The |
---|
529 | * buffer is then decompressed and decoded. |
---|
530 | */ |
---|
531 | int |
---|
532 | nv::GetDataStream(Tcl_Interp *interp, Rappture::Buffer &buf, int nBytes) |
---|
533 | { |
---|
534 | if (!SocketRead((char *)buf.bytes(), nBytes)) { |
---|
535 | return TCL_ERROR; |
---|
536 | } |
---|
537 | buf.count(nBytes); |
---|
538 | Rappture::Outcome err; |
---|
539 | TRACE("Checking header[%.13s]", buf.bytes()); |
---|
540 | if (strncmp (buf.bytes(), "@@RP-ENC:", 9) == 0) { |
---|
541 | /* There's a header on the buffer, use it to decode the data. */ |
---|
542 | if (!Rappture::encoding::decode(err, buf, RPENC_HDR)) { |
---|
543 | Tcl_AppendResult(interp, err.remark(), (char*)NULL); |
---|
544 | return TCL_ERROR; |
---|
545 | } |
---|
546 | } else if (Rappture::encoding::isBase64(buf.bytes(), buf.size())) { |
---|
547 | /* No header, but it's base64 encoded. It's likely that it's both |
---|
548 | * base64 encoded and compressed. */ |
---|
549 | if (!Rappture::encoding::decode(err, buf, RPENC_B64 | RPENC_Z)) { |
---|
550 | Tcl_AppendResult(interp, err.remark(), (char*)NULL); |
---|
551 | return TCL_ERROR; |
---|
552 | } |
---|
553 | } |
---|
554 | return TCL_OK; |
---|
555 | } |
---|
556 | |
---|
557 | static int |
---|
558 | CameraAngleOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
559 | Tcl_Obj *const *objv) |
---|
560 | { |
---|
561 | float theta, phi, psi; |
---|
562 | if ((GetFloatFromObj(interp, objv[2], &phi) != TCL_OK) || |
---|
563 | (GetFloatFromObj(interp, objv[3], &theta) != TCL_OK) || |
---|
564 | (GetFloatFromObj(interp, objv[4], &psi) != TCL_OK)) { |
---|
565 | return TCL_ERROR; |
---|
566 | } |
---|
567 | //NanoVis::orientCamera(phi, theta, psi); |
---|
568 | //return TCL_OK; |
---|
569 | Tcl_AppendResult(interp, "The 'camera angle' command is deprecated, use 'camera orient'", (char*)NULL); |
---|
570 | return TCL_ERROR; |
---|
571 | } |
---|
572 | |
---|
573 | static int |
---|
574 | CameraOrientOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
575 | Tcl_Obj *const *objv) |
---|
576 | { |
---|
577 | double quat[4]; |
---|
578 | if ((Tcl_GetDoubleFromObj(interp, objv[2], &quat[3]) != TCL_OK) || |
---|
579 | (Tcl_GetDoubleFromObj(interp, objv[3], &quat[0]) != TCL_OK) || |
---|
580 | (Tcl_GetDoubleFromObj(interp, objv[4], &quat[1]) != TCL_OK) || |
---|
581 | (Tcl_GetDoubleFromObj(interp, objv[5], &quat[2]) != TCL_OK)) { |
---|
582 | return TCL_ERROR; |
---|
583 | } |
---|
584 | NanoVis::orientCamera(quat); |
---|
585 | return TCL_OK; |
---|
586 | } |
---|
587 | |
---|
588 | static int |
---|
589 | CameraPanOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
590 | Tcl_Obj *const *objv) |
---|
591 | { |
---|
592 | float x, y; |
---|
593 | if ((GetFloatFromObj(interp, objv[2], &x) != TCL_OK) || |
---|
594 | (GetFloatFromObj(interp, objv[3], &y) != TCL_OK)) { |
---|
595 | return TCL_ERROR; |
---|
596 | } |
---|
597 | NanoVis::panCamera(x, y); |
---|
598 | return TCL_OK; |
---|
599 | } |
---|
600 | |
---|
601 | static int |
---|
602 | CameraPositionOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
603 | Tcl_Obj *const *objv) |
---|
604 | { |
---|
605 | Vector3f pos; |
---|
606 | if ((GetFloatFromObj(interp, objv[2], &pos.x) != TCL_OK) || |
---|
607 | (GetFloatFromObj(interp, objv[3], &pos.y) != TCL_OK) || |
---|
608 | (GetFloatFromObj(interp, objv[4], &pos.z) != TCL_OK)) { |
---|
609 | return TCL_ERROR; |
---|
610 | } |
---|
611 | |
---|
612 | NanoVis::setCameraPosition(pos); |
---|
613 | return TCL_OK; |
---|
614 | } |
---|
615 | |
---|
616 | static int |
---|
617 | CameraResetOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
618 | Tcl_Obj *const *objv) |
---|
619 | { |
---|
620 | bool all = false; |
---|
621 | if (objc == 3) { |
---|
622 | const char *string = Tcl_GetString(objv[2]); |
---|
623 | char c = string[0]; |
---|
624 | if ((c != 'a') || (strcmp(string, "all") != 0)) { |
---|
625 | Tcl_AppendResult(interp, "bad camera reset option \"", string, |
---|
626 | "\": should be all", (char*)NULL); |
---|
627 | return TCL_ERROR; |
---|
628 | } |
---|
629 | all = true; |
---|
630 | } |
---|
631 | NanoVis::resetCamera(all); |
---|
632 | return TCL_OK; |
---|
633 | } |
---|
634 | |
---|
635 | static int |
---|
636 | CameraZoomOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
637 | Tcl_Obj *const *objv) |
---|
638 | { |
---|
639 | float z; |
---|
640 | if (GetFloatFromObj(interp, objv[2], &z) != TCL_OK) { |
---|
641 | return TCL_ERROR; |
---|
642 | } |
---|
643 | NanoVis::zoomCamera(z); |
---|
644 | return TCL_OK; |
---|
645 | } |
---|
646 | |
---|
647 | static CmdSpec cameraOps[] = { |
---|
648 | {"angle", 2, CameraAngleOp, 5, 5, "xAngle yAngle zAngle",}, |
---|
649 | {"orient", 1, CameraOrientOp, 6, 6, "qw qx qy qz",}, |
---|
650 | {"pan", 2, CameraPanOp, 4, 4, "x y",}, |
---|
651 | {"pos", 2, CameraPositionOp, 5, 5, "x y z",}, |
---|
652 | {"reset", 1, CameraResetOp, 2, 3, "?all?",}, |
---|
653 | {"zoom", 1, CameraZoomOp, 3, 3, "factor",}, |
---|
654 | }; |
---|
655 | static int nCameraOps = NumCmdSpecs(cameraOps); |
---|
656 | |
---|
657 | static int |
---|
658 | CameraCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
659 | Tcl_Obj *const *objv) |
---|
660 | { |
---|
661 | Tcl_ObjCmdProc *proc; |
---|
662 | |
---|
663 | proc = GetOpFromObj(interp, nCameraOps, cameraOps, |
---|
664 | CMDSPEC_ARG1, objc, objv, 0); |
---|
665 | if (proc == NULL) { |
---|
666 | return TCL_ERROR; |
---|
667 | } |
---|
668 | return (*proc) (clientData, interp, objc, objv); |
---|
669 | } |
---|
670 | |
---|
671 | static int |
---|
672 | SnapshotCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
673 | Tcl_Obj *const *objv) |
---|
674 | { |
---|
675 | int origWidth, origHeight, width, height; |
---|
676 | |
---|
677 | origWidth = NanoVis::winWidth; |
---|
678 | origHeight = NanoVis::winHeight; |
---|
679 | width = 2048; |
---|
680 | height = 2048; |
---|
681 | |
---|
682 | NanoVis::resizeOffscreenBuffer(width, height); |
---|
683 | NanoVis::bindOffscreenBuffer(); |
---|
684 | NanoVis::render(); |
---|
685 | NanoVis::readScreen(); |
---|
686 | #ifdef USE_THREADS |
---|
687 | queuePPM(g_queue, "nv>image -type print -bytes", |
---|
688 | NanoVis::screenBuffer, width, height); |
---|
689 | #else |
---|
690 | writePPM(g_fdOut, "nv>image -type print -bytes", |
---|
691 | NanoVis::screenBuffer, width, height); |
---|
692 | #endif |
---|
693 | NanoVis::resizeOffscreenBuffer(origWidth, origHeight); |
---|
694 | |
---|
695 | return TCL_OK; |
---|
696 | } |
---|
697 | |
---|
698 | static int |
---|
699 | CutplanePositionOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
700 | Tcl_Obj *const *objv) |
---|
701 | { |
---|
702 | float relval; |
---|
703 | if (GetFloatFromObj(interp, objv[2], &relval) != TCL_OK) { |
---|
704 | return TCL_ERROR; |
---|
705 | } |
---|
706 | |
---|
707 | // keep this just inside the volume so it doesn't disappear |
---|
708 | if (relval < 0.01f) { |
---|
709 | relval = 0.01f; |
---|
710 | } else if (relval > 0.99f) { |
---|
711 | relval = 0.99f; |
---|
712 | } |
---|
713 | |
---|
714 | int axis; |
---|
715 | if (GetAxisFromObj(interp, objv[3], &axis) != TCL_OK) { |
---|
716 | return TCL_ERROR; |
---|
717 | } |
---|
718 | |
---|
719 | std::vector<Volume *> ivol; |
---|
720 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
721 | return TCL_ERROR; |
---|
722 | } |
---|
723 | std::vector<Volume *>::iterator iter; |
---|
724 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
725 | (*iter)->setCutplanePosition(axis, relval); |
---|
726 | } |
---|
727 | return TCL_OK; |
---|
728 | } |
---|
729 | |
---|
730 | static int |
---|
731 | CutplaneStateOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
732 | Tcl_Obj *const *objv) |
---|
733 | { |
---|
734 | bool state; |
---|
735 | if (GetBooleanFromObj(interp, objv[2], &state) != TCL_OK) { |
---|
736 | return TCL_ERROR; |
---|
737 | } |
---|
738 | |
---|
739 | int axis; |
---|
740 | if (GetAxisFromObj(interp, objv[3], &axis) != TCL_OK) { |
---|
741 | return TCL_ERROR; |
---|
742 | } |
---|
743 | |
---|
744 | std::vector<Volume *> ivol; |
---|
745 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
746 | return TCL_ERROR; |
---|
747 | } |
---|
748 | if (state) { |
---|
749 | std::vector<Volume *>::iterator iter; |
---|
750 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
751 | (*iter)->enableCutplane(axis); |
---|
752 | } |
---|
753 | } else { |
---|
754 | std::vector<Volume *>::iterator iter; |
---|
755 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
756 | (*iter)->disableCutplane(axis); |
---|
757 | } |
---|
758 | } |
---|
759 | return TCL_OK; |
---|
760 | } |
---|
761 | |
---|
762 | static int |
---|
763 | CutplaneVisibleOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
764 | Tcl_Obj *const *objv) |
---|
765 | { |
---|
766 | bool state; |
---|
767 | if (GetBooleanFromObj(interp, objv[2], &state) != TCL_OK) { |
---|
768 | return TCL_ERROR; |
---|
769 | } |
---|
770 | |
---|
771 | std::vector<Volume *> ivol; |
---|
772 | if (GetVolumes(interp, objc - 3, objv + 3, &ivol) != TCL_OK) { |
---|
773 | return TCL_ERROR; |
---|
774 | } |
---|
775 | std::vector<Volume *>::iterator iter; |
---|
776 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
777 | (*iter)->cutplanesVisible(state); |
---|
778 | } |
---|
779 | return TCL_OK; |
---|
780 | } |
---|
781 | |
---|
782 | static CmdSpec cutplaneOps[] = { |
---|
783 | {"position", 1, CutplanePositionOp, 4, 0, "relval axis ?indices?",}, |
---|
784 | {"state", 1, CutplaneStateOp, 4, 0, "bool axis ?indices?",}, |
---|
785 | {"visible", 1, CutplaneVisibleOp, 3, 0, "bool ?indices?",}, |
---|
786 | }; |
---|
787 | static int nCutplaneOps = NumCmdSpecs(cutplaneOps); |
---|
788 | |
---|
789 | /* |
---|
790 | * ---------------------------------------------------------------------- |
---|
791 | * CLIENT COMMAND: |
---|
792 | * cutplane state on|off <axis> ?<volume>...? |
---|
793 | * cutplane position <relvalue> <axis> ?<volume>...? |
---|
794 | * |
---|
795 | * Clients send these commands to manipulate the cutplanes in one or |
---|
796 | * more data volumes. The "state" command turns a cutplane on or |
---|
797 | * off. The "position" command changes the position to a relative |
---|
798 | * value in the range 0-1. The <axis> can be x, y, or z. These |
---|
799 | * options are applied to the volumes represented by one or more |
---|
800 | * <volume> indices. If no volumes are specified, then all volumes |
---|
801 | * are updated. |
---|
802 | * ---------------------------------------------------------------------- |
---|
803 | */ |
---|
804 | static int |
---|
805 | CutplaneCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
806 | Tcl_Obj *const *objv) |
---|
807 | { |
---|
808 | Tcl_ObjCmdProc *proc; |
---|
809 | |
---|
810 | proc = GetOpFromObj(interp, nCutplaneOps, cutplaneOps, |
---|
811 | CMDSPEC_ARG1, objc, objv, 0); |
---|
812 | if (proc == NULL) { |
---|
813 | return TCL_ERROR; |
---|
814 | } |
---|
815 | return (*proc) (clientData, interp, objc, objv); |
---|
816 | } |
---|
817 | |
---|
818 | /* |
---|
819 | * ClientInfoCmd -- |
---|
820 | * |
---|
821 | * Log initial values to stats file. The first time this is called |
---|
822 | * "render_start" is written into the stats file. Afterwards, it |
---|
823 | * is "render_info". |
---|
824 | * |
---|
825 | * clientinfo list |
---|
826 | */ |
---|
827 | static int |
---|
828 | ClientInfoCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
829 | Tcl_Obj *const *objv) |
---|
830 | { |
---|
831 | Tcl_DString ds; |
---|
832 | Tcl_Obj *objPtr, *listObjPtr, **items; |
---|
833 | int result; |
---|
834 | int i, numItems, length; |
---|
835 | char buf[BUFSIZ]; |
---|
836 | const char *string; |
---|
837 | static int first = 1; |
---|
838 | |
---|
839 | if (objc != 2) { |
---|
840 | Tcl_AppendResult(interp, "wrong # of arguments: should be \"", |
---|
841 | Tcl_GetString(objv[0]), " list\"", (char *)NULL); |
---|
842 | return TCL_ERROR; |
---|
843 | } |
---|
844 | #ifdef KEEPSTATS |
---|
845 | /* Use the initial client key value pairs as the parts for a generating |
---|
846 | * a unique file name. */ |
---|
847 | int f = getStatsFile(objv[1]); |
---|
848 | if (f < 0) { |
---|
849 | Tcl_AppendResult(interp, "can't open stats file: ", |
---|
850 | Tcl_PosixError(interp), (char *)NULL); |
---|
851 | return TCL_ERROR; |
---|
852 | } |
---|
853 | #endif |
---|
854 | listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **)NULL); |
---|
855 | Tcl_IncrRefCount(listObjPtr); |
---|
856 | if (first) { |
---|
857 | first = false; |
---|
858 | objPtr = Tcl_NewStringObj("render_start", 12); |
---|
859 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
860 | /* renderer */ |
---|
861 | objPtr = Tcl_NewStringObj("renderer", 8); |
---|
862 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
863 | objPtr = Tcl_NewStringObj("nanovis", 7); |
---|
864 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
865 | /* pid */ |
---|
866 | objPtr = Tcl_NewStringObj("pid", 3); |
---|
867 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
868 | Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewLongObj((long)g_stats.pid)); |
---|
869 | /* host */ |
---|
870 | objPtr = Tcl_NewStringObj("host", 4); |
---|
871 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
872 | gethostname(buf, BUFSIZ-1); |
---|
873 | buf[BUFSIZ-1] = '\0'; |
---|
874 | objPtr = Tcl_NewStringObj(buf, -1); |
---|
875 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
876 | } else { |
---|
877 | objPtr = Tcl_NewStringObj("render_info", 11); |
---|
878 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
879 | } |
---|
880 | Tcl_DStringInit(&ds); |
---|
881 | /* date */ |
---|
882 | Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewStringObj("date", 4)); |
---|
883 | strcpy(buf, ctime(&g_stats.start.tv_sec)); |
---|
884 | buf[strlen(buf) - 1] = '\0'; |
---|
885 | Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewStringObj(buf, -1)); |
---|
886 | /* date_secs */ |
---|
887 | Tcl_ListObjAppendElement(interp, listObjPtr, |
---|
888 | Tcl_NewStringObj("date_secs", 9)); |
---|
889 | Tcl_ListObjAppendElement(interp, listObjPtr, |
---|
890 | Tcl_NewLongObj(g_stats.start.tv_sec)); |
---|
891 | /* Client arguments. */ |
---|
892 | if (Tcl_ListObjGetElements(interp, objv[1], &numItems, &items) != TCL_OK) { |
---|
893 | return TCL_ERROR; |
---|
894 | } |
---|
895 | for (i = 0; i < numItems; i++) { |
---|
896 | Tcl_ListObjAppendElement(interp, listObjPtr, items[i]); |
---|
897 | } |
---|
898 | Tcl_DStringInit(&ds); |
---|
899 | string = Tcl_GetStringFromObj(listObjPtr, &length); |
---|
900 | Tcl_DStringAppend(&ds, string, length); |
---|
901 | Tcl_DStringAppend(&ds, "\n", 1); |
---|
902 | #ifdef KEEPSTATS |
---|
903 | result = writeToStatsFile(f, Tcl_DStringValue(&ds), |
---|
904 | Tcl_DStringLength(&ds)); |
---|
905 | #else |
---|
906 | TRACE("clientinfo: %s", Tcl_DStringValue(&ds)); |
---|
907 | #endif |
---|
908 | Tcl_DStringFree(&ds); |
---|
909 | Tcl_DecrRefCount(listObjPtr); |
---|
910 | return result; |
---|
911 | } |
---|
912 | |
---|
913 | /* |
---|
914 | * ---------------------------------------------------------------------- |
---|
915 | * CLIENT COMMAND: |
---|
916 | * legend <volumeIndex> <width> <height> |
---|
917 | * |
---|
918 | * Clients use this to generate a legend image for the specified |
---|
919 | * transfer function. The legend image is a color gradient from 0 |
---|
920 | * to one, drawn in the given transfer function. The resulting image |
---|
921 | * is returned in the size <width> x <height>. |
---|
922 | * ---------------------------------------------------------------------- |
---|
923 | */ |
---|
924 | static int |
---|
925 | LegendCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
926 | Tcl_Obj *const *objv) |
---|
927 | { |
---|
928 | if (objc != 4) { |
---|
929 | Tcl_AppendResult(interp, "wrong # args: should be \"", |
---|
930 | Tcl_GetString(objv[0]), " transfunc width height\"", (char*)NULL); |
---|
931 | return TCL_ERROR; |
---|
932 | } |
---|
933 | |
---|
934 | const char *tfName = Tcl_GetString(objv[1]); |
---|
935 | TransferFunction *tf = NanoVis::getTransferFunction(tfName); |
---|
936 | if (tf == NULL) { |
---|
937 | Tcl_AppendResult(interp, "unknown transfer function \"", tfName, "\"", |
---|
938 | (char*)NULL); |
---|
939 | return TCL_ERROR; |
---|
940 | } |
---|
941 | int w, h; |
---|
942 | if ((Tcl_GetIntFromObj(interp, objv[2], &w) != TCL_OK) || |
---|
943 | (Tcl_GetIntFromObj(interp, objv[3], &h) != TCL_OK)) { |
---|
944 | return TCL_ERROR; |
---|
945 | } |
---|
946 | if (Volume::updatePending) { |
---|
947 | NanoVis::setVolumeRanges(); |
---|
948 | } |
---|
949 | NanoVis::renderLegend(tf, Volume::valueMin, Volume::valueMax, w, h, tfName); |
---|
950 | return TCL_OK; |
---|
951 | } |
---|
952 | |
---|
953 | static int |
---|
954 | ScreenBgColorOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
955 | Tcl_Obj *const *objv) |
---|
956 | { |
---|
957 | float rgb[3]; |
---|
958 | if ((GetFloatFromObj(interp, objv[2], &rgb[0]) != TCL_OK) || |
---|
959 | (GetFloatFromObj(interp, objv[3], &rgb[1]) != TCL_OK) || |
---|
960 | (GetFloatFromObj(interp, objv[4], &rgb[2]) != TCL_OK)) { |
---|
961 | return TCL_ERROR; |
---|
962 | } |
---|
963 | NanoVis::setBgColor(rgb); |
---|
964 | return TCL_OK; |
---|
965 | } |
---|
966 | |
---|
967 | /* |
---|
968 | * ---------------------------------------------------------------------- |
---|
969 | * CLIENT COMMAND: |
---|
970 | * screen size <width> <height> |
---|
971 | * |
---|
972 | * Clients send this command to set the size of the rendering area. |
---|
973 | * Future images are generated at the specified width/height. |
---|
974 | * ---------------------------------------------------------------------- |
---|
975 | */ |
---|
976 | static int |
---|
977 | ScreenSizeOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
978 | Tcl_Obj *const *objv) |
---|
979 | { |
---|
980 | int w, h; |
---|
981 | if ((Tcl_GetIntFromObj(interp, objv[2], &w) != TCL_OK) || |
---|
982 | (Tcl_GetIntFromObj(interp, objv[3], &h) != TCL_OK)) { |
---|
983 | return TCL_ERROR; |
---|
984 | } |
---|
985 | NanoVis::resizeOffscreenBuffer(w, h); |
---|
986 | return TCL_OK; |
---|
987 | } |
---|
988 | |
---|
989 | static CmdSpec screenOps[] = { |
---|
990 | {"bgcolor", 1, ScreenBgColorOp, 5, 5, "r g b",}, |
---|
991 | {"size", 1, ScreenSizeOp, 4, 4, "width height",}, |
---|
992 | }; |
---|
993 | static int nScreenOps = NumCmdSpecs(screenOps); |
---|
994 | |
---|
995 | static int |
---|
996 | ScreenCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
997 | Tcl_Obj *const *objv) |
---|
998 | { |
---|
999 | Tcl_ObjCmdProc *proc; |
---|
1000 | |
---|
1001 | proc = GetOpFromObj(interp, nScreenOps, screenOps, |
---|
1002 | CMDSPEC_ARG1, objc, objv, 0); |
---|
1003 | if (proc == NULL) { |
---|
1004 | return TCL_ERROR; |
---|
1005 | } |
---|
1006 | return (*proc) (clientData, interp, objc, objv); |
---|
1007 | } |
---|
1008 | |
---|
1009 | /* |
---|
1010 | * ---------------------------------------------------------------------- |
---|
1011 | * CLIENT COMMAND: |
---|
1012 | * transfunc define <name> <colormap> <alphamap> |
---|
1013 | * where <colormap> = { <v> <r> <g> <b> ... } |
---|
1014 | * <alphamap> = { <v> <w> ... } |
---|
1015 | * |
---|
1016 | * Clients send these commands to manipulate the transfer functions. |
---|
1017 | * ---------------------------------------------------------------------- |
---|
1018 | */ |
---|
1019 | static int |
---|
1020 | TransfuncCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1021 | Tcl_Obj *const *objv) |
---|
1022 | { |
---|
1023 | if (objc < 2) { |
---|
1024 | Tcl_AppendResult(interp, "wrong # args: should be \"", |
---|
1025 | Tcl_GetString(objv[0]), " option arg arg...\"", (char*)NULL); |
---|
1026 | return TCL_ERROR; |
---|
1027 | } |
---|
1028 | |
---|
1029 | const char *string = Tcl_GetString(objv[1]); |
---|
1030 | char c = string[0]; |
---|
1031 | if ((c == 'd') && (strcmp(string, "define") == 0)) { |
---|
1032 | if (objc != 5) { |
---|
1033 | Tcl_AppendResult(interp, "wrong # args: should be \"", |
---|
1034 | Tcl_GetString(objv[0]), " define name colorMap alphaMap\"", |
---|
1035 | (char*)NULL); |
---|
1036 | return TCL_ERROR; |
---|
1037 | } |
---|
1038 | |
---|
1039 | // decode the data and store in a series of fields |
---|
1040 | int cmapc, amapc, i; |
---|
1041 | Tcl_Obj **cmapv; |
---|
1042 | Tcl_Obj **amapv; |
---|
1043 | |
---|
1044 | amapv = cmapv = NULL; |
---|
1045 | if (Tcl_ListObjGetElements(interp, objv[3], &cmapc, &cmapv) != TCL_OK) { |
---|
1046 | return TCL_ERROR; |
---|
1047 | } |
---|
1048 | if ((cmapc % 4) != 0) { |
---|
1049 | Tcl_AppendResult(interp, "wrong # elements is colormap: should be ", |
---|
1050 | "{ v r g b ... }", (char*)NULL); |
---|
1051 | return TCL_ERROR; |
---|
1052 | } |
---|
1053 | if (Tcl_ListObjGetElements(interp, objv[4], &amapc, &amapv) != TCL_OK) { |
---|
1054 | return TCL_ERROR; |
---|
1055 | } |
---|
1056 | if ((amapc % 2) != 0) { |
---|
1057 | Tcl_AppendResult(interp, "wrong # elements in alphamap: should be ", |
---|
1058 | " { v w ... }", (char*)NULL); |
---|
1059 | return TCL_ERROR; |
---|
1060 | } |
---|
1061 | |
---|
1062 | int numColors = cmapc/4; |
---|
1063 | float *colorKeys = new float[numColors]; |
---|
1064 | Vector3f *colors = new Vector3f[numColors]; |
---|
1065 | for (i = 0; i < cmapc; i += 4) { |
---|
1066 | int j; |
---|
1067 | double q[4]; |
---|
1068 | |
---|
1069 | for (j=0; j < 4; j++) { |
---|
1070 | if (Tcl_GetDoubleFromObj(interp, cmapv[i+j], &q[j]) != TCL_OK) { |
---|
1071 | return TCL_ERROR; |
---|
1072 | } |
---|
1073 | if ((q[j] < 0.0) || (q[j] > 1.0)) { |
---|
1074 | Tcl_AppendResult(interp, "bad colormap value \"", |
---|
1075 | Tcl_GetString(cmapv[i+j]), |
---|
1076 | "\": should be in the range 0-1", (char*)NULL); |
---|
1077 | return TCL_ERROR; |
---|
1078 | } |
---|
1079 | } |
---|
1080 | |
---|
1081 | colorKeys[i/4] = (float)q[0]; |
---|
1082 | colors[i/4].set((float)q[1], (float)q[2], (float)q[3]); |
---|
1083 | } |
---|
1084 | int numAlphas = amapc/2; |
---|
1085 | float *alphaKeys = new float[numAlphas]; |
---|
1086 | float *alphas = new float[numAlphas]; |
---|
1087 | for (i=0; i < amapc; i += 2) { |
---|
1088 | double q[2]; |
---|
1089 | int j; |
---|
1090 | |
---|
1091 | for (j=0; j < 2; j++) { |
---|
1092 | if (Tcl_GetDoubleFromObj(interp, amapv[i+j], &q[j]) != TCL_OK) { |
---|
1093 | return TCL_ERROR; |
---|
1094 | } |
---|
1095 | if ((q[j] < 0.0) || (q[j] > 1.0)) { |
---|
1096 | Tcl_AppendResult(interp, "bad alphamap value \"", |
---|
1097 | Tcl_GetString(amapv[i+j]), |
---|
1098 | "\": should be in the range 0-1", (char*)NULL); |
---|
1099 | return TCL_ERROR; |
---|
1100 | } |
---|
1101 | } |
---|
1102 | |
---|
1103 | alphaKeys[i/2] = (float)q[0]; |
---|
1104 | alphas[i/2] = (float)q[1]; |
---|
1105 | } |
---|
1106 | // sample the given function into discrete slots |
---|
1107 | const int nslots = 256; |
---|
1108 | float data[4*nslots]; |
---|
1109 | for (i=0; i < nslots; i++) { |
---|
1110 | float x = float(i)/(nslots-1); |
---|
1111 | Vector3f color; |
---|
1112 | float alpha; |
---|
1113 | TransferFunction::sample(x, colorKeys, colors, numColors, &color); |
---|
1114 | TransferFunction::sample(x, alphaKeys, alphas, numAlphas, &alpha); |
---|
1115 | |
---|
1116 | data[4*i] = color.r; |
---|
1117 | data[4*i+1] = color.g; |
---|
1118 | data[4*i+2] = color.b; |
---|
1119 | data[4*i+3] = alpha; |
---|
1120 | } |
---|
1121 | delete [] colorKeys; |
---|
1122 | delete [] colors; |
---|
1123 | delete [] alphaKeys; |
---|
1124 | delete [] alphas; |
---|
1125 | // find or create this transfer function |
---|
1126 | NanoVis::defineTransferFunction(Tcl_GetString(objv[2]), nslots, data); |
---|
1127 | } else { |
---|
1128 | Tcl_AppendResult(interp, "bad option \"", string, |
---|
1129 | "\": should be define", (char*)NULL); |
---|
1130 | return TCL_ERROR; |
---|
1131 | } |
---|
1132 | return TCL_OK; |
---|
1133 | } |
---|
1134 | |
---|
1135 | /* |
---|
1136 | * ---------------------------------------------------------------------- |
---|
1137 | * CLIENT COMMAND: |
---|
1138 | * up axis |
---|
1139 | * |
---|
1140 | * Clients use this to set the "up" direction for all volumes. Volumes |
---|
1141 | * are oriented such that this direction points upward. |
---|
1142 | * ---------------------------------------------------------------------- |
---|
1143 | */ |
---|
1144 | static int |
---|
1145 | UpCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const *objv) |
---|
1146 | { |
---|
1147 | if (objc != 2) { |
---|
1148 | Tcl_AppendResult(interp, "wrong # args: should be \"", |
---|
1149 | Tcl_GetString(objv[0]), " x|y|z|-x|-y|-z\"", (char*)NULL); |
---|
1150 | return TCL_ERROR; |
---|
1151 | } |
---|
1152 | |
---|
1153 | int sign; |
---|
1154 | int axis; |
---|
1155 | if (GetAxisDirFromObj(interp, objv[1], &axis, &sign) != TCL_OK) { |
---|
1156 | return TCL_ERROR; |
---|
1157 | } |
---|
1158 | NanoVis::setCameraUpdir(Camera::AxisDirection((axis+1)*sign)); |
---|
1159 | return TCL_OK; |
---|
1160 | } |
---|
1161 | |
---|
1162 | static int |
---|
1163 | VolumeAnimationCaptureOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1164 | Tcl_Obj *const *objv) |
---|
1165 | { |
---|
1166 | int total; |
---|
1167 | if (Tcl_GetIntFromObj(interp, objv[3], &total) != TCL_OK) { |
---|
1168 | return TCL_ERROR; |
---|
1169 | } |
---|
1170 | VolumeInterpolator *interpolator = |
---|
1171 | NanoVis::volRenderer->getVolumeInterpolator(); |
---|
1172 | interpolator->start(); |
---|
1173 | if (interpolator->isStarted()) { |
---|
1174 | const char *dirName = (objc < 5) ? NULL : Tcl_GetString(objv[4]); |
---|
1175 | for (int frameNum = 0; frameNum < total; ++frameNum) { |
---|
1176 | float fraction; |
---|
1177 | |
---|
1178 | fraction = ((float)frameNum) / (total - 1); |
---|
1179 | TRACE("fraction : %f", fraction); |
---|
1180 | interpolator->update(fraction); |
---|
1181 | |
---|
1182 | int fboOrig; |
---|
1183 | glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &fboOrig); |
---|
1184 | |
---|
1185 | NanoVis::bindOffscreenBuffer(); //enable offscreen render |
---|
1186 | |
---|
1187 | NanoVis::render(); |
---|
1188 | NanoVis::readScreen(); |
---|
1189 | |
---|
1190 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fboOrig); |
---|
1191 | |
---|
1192 | /* FIXME: this function requires 4-byte aligned RGB rows, |
---|
1193 | * but screen buffer is now 1 byte aligned for PPM images. |
---|
1194 | */ |
---|
1195 | writeBMPFile(frameNum, dirName, |
---|
1196 | NanoVis::screenBuffer, |
---|
1197 | NanoVis::winWidth, NanoVis::winHeight); |
---|
1198 | } |
---|
1199 | } |
---|
1200 | return TCL_OK; |
---|
1201 | } |
---|
1202 | |
---|
1203 | static int |
---|
1204 | VolumeAnimationClearOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1205 | Tcl_Obj *const *objv) |
---|
1206 | { |
---|
1207 | NanoVis::volRenderer->clearAnimatedVolumeInfo(); |
---|
1208 | return TCL_OK; |
---|
1209 | } |
---|
1210 | |
---|
1211 | static int |
---|
1212 | VolumeAnimationStartOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1213 | Tcl_Obj *const *objv) |
---|
1214 | { |
---|
1215 | NanoVis::volRenderer->startVolumeAnimation(); |
---|
1216 | return TCL_OK; |
---|
1217 | } |
---|
1218 | |
---|
1219 | static int |
---|
1220 | VolumeAnimationStopOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1221 | Tcl_Obj *const *objv) |
---|
1222 | { |
---|
1223 | NanoVis::volRenderer->stopVolumeAnimation(); |
---|
1224 | return TCL_OK; |
---|
1225 | } |
---|
1226 | |
---|
1227 | static int |
---|
1228 | VolumeAnimationVolumesOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1229 | Tcl_Obj *const *objv) |
---|
1230 | { |
---|
1231 | std::vector<Volume *> volumes; |
---|
1232 | if (GetVolumes(interp, objc - 3, objv + 3, &volumes) != TCL_OK) { |
---|
1233 | return TCL_ERROR; |
---|
1234 | } |
---|
1235 | TRACE("parsing volume data identifier"); |
---|
1236 | NanoVis::VolumeHashmap::iterator itr; |
---|
1237 | for (itr = NanoVis::volumeTable.begin(); |
---|
1238 | itr != NanoVis::volumeTable.end(); ++itr) { |
---|
1239 | NanoVis::volRenderer->addAnimatedVolume(itr->second); |
---|
1240 | } |
---|
1241 | return TCL_OK; |
---|
1242 | } |
---|
1243 | |
---|
1244 | static CmdSpec volumeAnimationOps[] = { |
---|
1245 | {"capture", 2, VolumeAnimationCaptureOp, 4, 5, "numframes ?filename?",}, |
---|
1246 | {"clear", 2, VolumeAnimationClearOp, 3, 3, "",}, |
---|
1247 | {"start", 3, VolumeAnimationStartOp, 3, 3, "",}, |
---|
1248 | {"stop", 3, VolumeAnimationStopOp, 3, 3, "",}, |
---|
1249 | {"volumes", 1, VolumeAnimationVolumesOp, 3, 0, "?indices?",}, |
---|
1250 | }; |
---|
1251 | |
---|
1252 | static int nVolumeAnimationOps = NumCmdSpecs(volumeAnimationOps); |
---|
1253 | |
---|
1254 | static int |
---|
1255 | VolumeAnimationOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1256 | Tcl_Obj *const *objv) |
---|
1257 | { |
---|
1258 | Tcl_ObjCmdProc *proc; |
---|
1259 | |
---|
1260 | proc = GetOpFromObj(interp, nVolumeAnimationOps, |
---|
1261 | volumeAnimationOps, CMDSPEC_ARG2, objc, objv, 0); |
---|
1262 | if (proc == NULL) { |
---|
1263 | return TCL_ERROR; |
---|
1264 | } |
---|
1265 | return (*proc) (clientData, interp, objc, objv); |
---|
1266 | } |
---|
1267 | |
---|
1268 | static int |
---|
1269 | VolumeDataFollowsOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1270 | Tcl_Obj *const *objv) |
---|
1271 | { |
---|
1272 | TRACE("Data Loading"); |
---|
1273 | |
---|
1274 | int nbytes; |
---|
1275 | if (Tcl_GetIntFromObj(interp, objv[3], &nbytes) != TCL_OK) { |
---|
1276 | return TCL_ERROR; |
---|
1277 | } |
---|
1278 | const char *tag = Tcl_GetString(objv[4]); |
---|
1279 | |
---|
1280 | Rappture::Buffer buf(nbytes); |
---|
1281 | if (GetDataStream(interp, buf, nbytes) != TCL_OK) { |
---|
1282 | return TCL_ERROR; |
---|
1283 | } |
---|
1284 | const char *bytes = buf.bytes(); |
---|
1285 | size_t nBytes = buf.size(); |
---|
1286 | |
---|
1287 | TRACE("Checking header[%.20s]", bytes); |
---|
1288 | |
---|
1289 | Volume *volume = NULL; |
---|
1290 | |
---|
1291 | if ((nBytes > 5) && (strncmp(bytes, "<HDR>", 5) == 0)) { |
---|
1292 | TRACE("ZincBlende Stream loading..."); |
---|
1293 | volume = (Volume *)ZincBlendeReconstructor::getInstance()->loadFromMemory(bytes); |
---|
1294 | if (volume == NULL) { |
---|
1295 | Tcl_AppendResult(interp, "can't get volume instance", (char *)NULL); |
---|
1296 | return TCL_ERROR; |
---|
1297 | } |
---|
1298 | TRACE("finish loading"); |
---|
1299 | |
---|
1300 | NanoVis::VolumeHashmap::iterator itr = NanoVis::volumeTable.find(tag); |
---|
1301 | if (itr != NanoVis::volumeTable.end()) { |
---|
1302 | Tcl_AppendResult(interp, "volume \"", tag, "\" already exists.", |
---|
1303 | (char *)NULL); |
---|
1304 | return TCL_ERROR; |
---|
1305 | } |
---|
1306 | NanoVis::volumeTable[tag] = volume; |
---|
1307 | volume->name(tag); |
---|
1308 | } else if ((nBytes > 14) && (strncmp(bytes, "# vtk DataFile", 14) == 0)) { |
---|
1309 | TRACE("VTK loading..."); |
---|
1310 | if (nBytes <= 0) { |
---|
1311 | ERROR("data buffer is empty"); |
---|
1312 | abort(); |
---|
1313 | } |
---|
1314 | #ifdef USE_VTK |
---|
1315 | volume = load_vtk_volume_stream(tag, bytes, nBytes); |
---|
1316 | #else |
---|
1317 | std::stringstream fdata; |
---|
1318 | fdata.write(bytes, nBytes); |
---|
1319 | volume = load_vtk_volume_stream(tag, fdata); |
---|
1320 | #endif |
---|
1321 | if (volume == NULL) { |
---|
1322 | Tcl_AppendResult(interp, "Failed to load VTK file", (char*)NULL); |
---|
1323 | return TCL_ERROR; |
---|
1324 | } |
---|
1325 | } else { |
---|
1326 | #ifdef USE_DX_READER |
---|
1327 | // **Deprecated** OpenDX format |
---|
1328 | if ((nBytes > 5) && (strncmp(bytes, "<ODX>", 5) == 0)) { |
---|
1329 | bytes += 5; |
---|
1330 | nBytes -= 5; |
---|
1331 | } else if ((nBytes > 4) && (strncmp(bytes, "<DX>", 4) == 0)) { |
---|
1332 | bytes += 4; |
---|
1333 | nBytes -= 4; |
---|
1334 | } |
---|
1335 | TRACE("DX loading..."); |
---|
1336 | if (nBytes <= 0) { |
---|
1337 | ERROR("data buffer is empty"); |
---|
1338 | abort(); |
---|
1339 | } |
---|
1340 | std::stringstream fdata; |
---|
1341 | fdata.write(bytes, nBytes); |
---|
1342 | volume = load_dx_volume_stream(tag, fdata); |
---|
1343 | if (volume == NULL) { |
---|
1344 | Tcl_AppendResult(interp, "Failed to load DX file", (char*)NULL); |
---|
1345 | return TCL_ERROR; |
---|
1346 | } |
---|
1347 | #else |
---|
1348 | Tcl_AppendResult(interp, "Loading DX files is not supported by this server", (char*)NULL); |
---|
1349 | return TCL_ERROR; |
---|
1350 | #endif |
---|
1351 | } |
---|
1352 | |
---|
1353 | if (volume != NULL) { |
---|
1354 | volume->disableCutplane(0); |
---|
1355 | volume->disableCutplane(1); |
---|
1356 | volume->disableCutplane(2); |
---|
1357 | volume->transferFunction(NanoVis::getTransferFunction("default")); |
---|
1358 | volume->visible(true); |
---|
1359 | |
---|
1360 | if (Volume::updatePending) { |
---|
1361 | NanoVis::setVolumeRanges(); |
---|
1362 | } |
---|
1363 | |
---|
1364 | char info[1024]; |
---|
1365 | int cmdLength = |
---|
1366 | sprintf(info, "nv>data tag %s min %g max %g vmin %g vmax %g\n", tag, |
---|
1367 | volume->wAxis.min(), volume->wAxis.max(), |
---|
1368 | Volume::valueMin, Volume::valueMax); |
---|
1369 | #ifdef USE_THREADS |
---|
1370 | queueResponse(info, cmdLength, Response::VOLATILE); |
---|
1371 | #else |
---|
1372 | if (SocketWrite(info, (size_t)cmdLength) != (ssize_t)cmdLength) { |
---|
1373 | ERROR("Short write"); |
---|
1374 | return TCL_ERROR; |
---|
1375 | } |
---|
1376 | #endif |
---|
1377 | } |
---|
1378 | |
---|
1379 | return TCL_OK; |
---|
1380 | } |
---|
1381 | |
---|
1382 | static int |
---|
1383 | VolumeDataStateOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1384 | Tcl_Obj *const *objv) |
---|
1385 | { |
---|
1386 | bool state; |
---|
1387 | if (GetBooleanFromObj(interp, objv[3], &state) != TCL_OK) { |
---|
1388 | return TCL_ERROR; |
---|
1389 | } |
---|
1390 | std::vector<Volume *> ivol; |
---|
1391 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1392 | return TCL_ERROR; |
---|
1393 | } |
---|
1394 | std::vector<Volume *>::iterator iter; |
---|
1395 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1396 | (*iter)->dataEnabled(state); |
---|
1397 | } |
---|
1398 | return TCL_OK; |
---|
1399 | } |
---|
1400 | |
---|
1401 | static CmdSpec volumeDataOps[] = { |
---|
1402 | {"follows", 1, VolumeDataFollowsOp, 5, 5, "nbytes tag",}, |
---|
1403 | {"state", 1, VolumeDataStateOp, 4, 0, "bool ?indices?",}, |
---|
1404 | }; |
---|
1405 | static int nVolumeDataOps = NumCmdSpecs(volumeDataOps); |
---|
1406 | |
---|
1407 | static int |
---|
1408 | VolumeDataOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1409 | Tcl_Obj *const *objv) |
---|
1410 | { |
---|
1411 | Tcl_ObjCmdProc *proc; |
---|
1412 | |
---|
1413 | proc = GetOpFromObj(interp, nVolumeDataOps, volumeDataOps, |
---|
1414 | CMDSPEC_ARG2, objc, objv, 0); |
---|
1415 | if (proc == NULL) { |
---|
1416 | return TCL_ERROR; |
---|
1417 | } |
---|
1418 | return (*proc) (clientData, interp, objc, objv); |
---|
1419 | } |
---|
1420 | |
---|
1421 | static int |
---|
1422 | VolumeDeleteOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1423 | Tcl_Obj *const *objv) |
---|
1424 | { |
---|
1425 | for (int i = 2; i < objc; i++) { |
---|
1426 | Volume *volume; |
---|
1427 | if (GetVolumeFromObj(interp, objv[i], &volume) != TCL_OK) { |
---|
1428 | return TCL_ERROR; |
---|
1429 | } |
---|
1430 | NanoVis::removeVolume(volume); |
---|
1431 | } |
---|
1432 | NanoVis::eventuallyRedraw(); |
---|
1433 | return TCL_OK; |
---|
1434 | } |
---|
1435 | |
---|
1436 | static int |
---|
1437 | VolumeExistsOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1438 | Tcl_Obj *const *objv) |
---|
1439 | { |
---|
1440 | bool value; |
---|
1441 | Volume *volume; |
---|
1442 | |
---|
1443 | value = false; |
---|
1444 | if (GetVolumeFromObj(NULL, objv[2], &volume) == TCL_OK) { |
---|
1445 | value = true; |
---|
1446 | } |
---|
1447 | Tcl_SetBooleanObj(Tcl_GetObjResult(interp), (int)value); |
---|
1448 | return TCL_OK; |
---|
1449 | } |
---|
1450 | |
---|
1451 | static int |
---|
1452 | VolumeNamesOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1453 | Tcl_Obj *const *objv) |
---|
1454 | { |
---|
1455 | Tcl_Obj *listObjPtr; |
---|
1456 | listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **) NULL); |
---|
1457 | NanoVis::VolumeHashmap::iterator itr; |
---|
1458 | for (itr = NanoVis::volumeTable.begin(); |
---|
1459 | itr != NanoVis::volumeTable.end(); ++itr) { |
---|
1460 | Tcl_Obj *objPtr = Tcl_NewStringObj(itr->second->name(), -1); |
---|
1461 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
1462 | } |
---|
1463 | Tcl_SetObjResult(interp, listObjPtr); |
---|
1464 | return TCL_OK; |
---|
1465 | } |
---|
1466 | |
---|
1467 | static int |
---|
1468 | VolumeOutlineColorOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1469 | Tcl_Obj *const *objv) |
---|
1470 | { |
---|
1471 | float rgb[3]; |
---|
1472 | if (GetColor(interp, objc - 3, objv + 3, rgb) != TCL_OK) { |
---|
1473 | return TCL_ERROR; |
---|
1474 | } |
---|
1475 | std::vector<Volume *> ivol; |
---|
1476 | if (GetVolumes(interp, objc - 6, objv + 6, &ivol) != TCL_OK) { |
---|
1477 | return TCL_ERROR; |
---|
1478 | } |
---|
1479 | std::vector<Volume *>::iterator iter; |
---|
1480 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1481 | (*iter)->setOutlineColor(rgb); |
---|
1482 | } |
---|
1483 | return TCL_OK; |
---|
1484 | } |
---|
1485 | |
---|
1486 | static int |
---|
1487 | VolumeOutlineStateOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1488 | Tcl_Obj *const *objv) |
---|
1489 | { |
---|
1490 | bool state; |
---|
1491 | if (GetBooleanFromObj(interp, objv[3], &state) != TCL_OK) { |
---|
1492 | return TCL_ERROR; |
---|
1493 | } |
---|
1494 | std::vector<Volume *> ivol; |
---|
1495 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1496 | return TCL_ERROR; |
---|
1497 | } |
---|
1498 | std::vector<Volume *>::iterator iter; |
---|
1499 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1500 | (*iter)->outline(state); |
---|
1501 | } |
---|
1502 | return TCL_OK; |
---|
1503 | } |
---|
1504 | |
---|
1505 | static CmdSpec volumeOutlineOps[] = { |
---|
1506 | {"color", 1, VolumeOutlineColorOp, 6, 0, "r g b ?indices?",}, |
---|
1507 | {"state", 1, VolumeOutlineStateOp, 4, 0, "bool ?indices?",}, |
---|
1508 | {"visible", 1, VolumeOutlineStateOp, 4, 0, "bool ?indices?",}, |
---|
1509 | }; |
---|
1510 | static int nVolumeOutlineOps = NumCmdSpecs(volumeOutlineOps); |
---|
1511 | |
---|
1512 | static int |
---|
1513 | VolumeOutlineOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1514 | Tcl_Obj *const *objv) |
---|
1515 | { |
---|
1516 | Tcl_ObjCmdProc *proc; |
---|
1517 | |
---|
1518 | proc = GetOpFromObj(interp, nVolumeOutlineOps, volumeOutlineOps, |
---|
1519 | CMDSPEC_ARG2, objc, objv, 0); |
---|
1520 | if (proc == NULL) { |
---|
1521 | return TCL_ERROR; |
---|
1522 | } |
---|
1523 | return (*proc) (clientData, interp, objc, objv); |
---|
1524 | } |
---|
1525 | |
---|
1526 | static int |
---|
1527 | VolumeShadingAmbientOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1528 | Tcl_Obj *const *objv) |
---|
1529 | { |
---|
1530 | float ambient; |
---|
1531 | if (GetFloatFromObj(interp, objv[3], &ambient) != TCL_OK) { |
---|
1532 | return TCL_ERROR; |
---|
1533 | } |
---|
1534 | if (ambient < 0.0f || ambient > 1.0f) { |
---|
1535 | WARN("Invalid ambient coefficient requested: %g, should be [0,1]", ambient); |
---|
1536 | } |
---|
1537 | std::vector<Volume *> ivol; |
---|
1538 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1539 | return TCL_ERROR; |
---|
1540 | } |
---|
1541 | std::vector<Volume *>::iterator iter; |
---|
1542 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1543 | (*iter)->ambient(ambient); |
---|
1544 | } |
---|
1545 | return TCL_OK; |
---|
1546 | } |
---|
1547 | |
---|
1548 | static int |
---|
1549 | VolumeShadingDiffuseOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1550 | Tcl_Obj *const *objv) |
---|
1551 | { |
---|
1552 | float diffuse; |
---|
1553 | if (GetFloatFromObj(interp, objv[3], &diffuse) != TCL_OK) { |
---|
1554 | return TCL_ERROR; |
---|
1555 | } |
---|
1556 | if (diffuse < 0.0f || diffuse > 1.0f) { |
---|
1557 | WARN("Invalid diffuse coefficient requested: %g, should be [0,1]", diffuse); |
---|
1558 | } |
---|
1559 | std::vector<Volume *> ivol; |
---|
1560 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1561 | return TCL_ERROR; |
---|
1562 | } |
---|
1563 | std::vector<Volume *>::iterator iter; |
---|
1564 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1565 | (*iter)->diffuse(diffuse); |
---|
1566 | } |
---|
1567 | return TCL_OK; |
---|
1568 | } |
---|
1569 | |
---|
1570 | static int |
---|
1571 | VolumeShadingIsosurfaceOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1572 | Tcl_Obj *const *objv) |
---|
1573 | { |
---|
1574 | bool iso_surface; |
---|
1575 | if (GetBooleanFromObj(interp, objv[3], &iso_surface) != TCL_OK) { |
---|
1576 | return TCL_ERROR; |
---|
1577 | } |
---|
1578 | std::vector<Volume *> ivol; |
---|
1579 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1580 | return TCL_ERROR; |
---|
1581 | } |
---|
1582 | std::vector<Volume *>::iterator iter; |
---|
1583 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1584 | (*iter)->isosurface(iso_surface); |
---|
1585 | } |
---|
1586 | return TCL_OK; |
---|
1587 | } |
---|
1588 | |
---|
1589 | static int |
---|
1590 | VolumeShadingLight2SideOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1591 | Tcl_Obj *const *objv) |
---|
1592 | { |
---|
1593 | bool twoSidedLighting; |
---|
1594 | if (GetBooleanFromObj(interp, objv[3], &twoSidedLighting) != TCL_OK) { |
---|
1595 | return TCL_ERROR; |
---|
1596 | } |
---|
1597 | std::vector<Volume *> ivol; |
---|
1598 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1599 | return TCL_ERROR; |
---|
1600 | } |
---|
1601 | std::vector<Volume *>::iterator iter; |
---|
1602 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1603 | (*iter)->twoSidedLighting(twoSidedLighting); |
---|
1604 | } |
---|
1605 | return TCL_OK; |
---|
1606 | } |
---|
1607 | |
---|
1608 | static int |
---|
1609 | VolumeShadingOpacityOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1610 | Tcl_Obj *const *objv) |
---|
1611 | { |
---|
1612 | |
---|
1613 | float opacity; |
---|
1614 | if (GetFloatFromObj(interp, objv[3], &opacity) != TCL_OK) { |
---|
1615 | return TCL_ERROR; |
---|
1616 | } |
---|
1617 | TRACE("set opacity %f", opacity); |
---|
1618 | std::vector<Volume *> ivol; |
---|
1619 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1620 | return TCL_ERROR; |
---|
1621 | } |
---|
1622 | std::vector<Volume *>::iterator iter; |
---|
1623 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1624 | (*iter)->opacityScale(opacity); |
---|
1625 | } |
---|
1626 | return TCL_OK; |
---|
1627 | } |
---|
1628 | |
---|
1629 | static int |
---|
1630 | VolumeShadingSpecularOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1631 | Tcl_Obj *const *objv) |
---|
1632 | { |
---|
1633 | float specular; |
---|
1634 | if (GetFloatFromObj(interp, objv[3], &specular) != TCL_OK) { |
---|
1635 | return TCL_ERROR; |
---|
1636 | } |
---|
1637 | if (specular < 0.0f || specular > 1.0f) { |
---|
1638 | WARN("Invalid specular coefficient requested: %g, should be [0,1]", specular); |
---|
1639 | } |
---|
1640 | std::vector<Volume *> ivol; |
---|
1641 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1642 | return TCL_ERROR; |
---|
1643 | } |
---|
1644 | std::vector<Volume *>::iterator iter; |
---|
1645 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1646 | (*iter)->specularLevel(specular); |
---|
1647 | } |
---|
1648 | return TCL_OK; |
---|
1649 | } |
---|
1650 | |
---|
1651 | static int |
---|
1652 | VolumeShadingSpecularExpOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1653 | Tcl_Obj *const *objv) |
---|
1654 | { |
---|
1655 | float specularExp; |
---|
1656 | if (GetFloatFromObj(interp, objv[3], &specularExp) != TCL_OK) { |
---|
1657 | return TCL_ERROR; |
---|
1658 | } |
---|
1659 | if (specularExp < 0.0f || specularExp > 128.0f) { |
---|
1660 | WARN("Invalid specular exponent requested: %g, should be [0,128]", specularExp); |
---|
1661 | } |
---|
1662 | std::vector<Volume *> ivol; |
---|
1663 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1664 | return TCL_ERROR; |
---|
1665 | } |
---|
1666 | std::vector<Volume *>::iterator iter; |
---|
1667 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1668 | (*iter)->specularExponent(specularExp); |
---|
1669 | } |
---|
1670 | return TCL_OK; |
---|
1671 | } |
---|
1672 | |
---|
1673 | static int |
---|
1674 | VolumeShadingTransFuncOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1675 | Tcl_Obj *const *objv) |
---|
1676 | { |
---|
1677 | const char *name = Tcl_GetString(objv[3]); |
---|
1678 | TransferFunction *tf = NanoVis::getTransferFunction(name); |
---|
1679 | if (tf == NULL) { |
---|
1680 | Tcl_AppendResult(interp, "transfer function \"", name, |
---|
1681 | "\" is not defined", (char*)NULL); |
---|
1682 | return TCL_ERROR; |
---|
1683 | } |
---|
1684 | std::vector<Volume *> ivol; |
---|
1685 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1686 | return TCL_ERROR; |
---|
1687 | } |
---|
1688 | std::vector<Volume *>::iterator iter; |
---|
1689 | for (iter = ivol.begin(); iter != ivol.end(); ++iter) { |
---|
1690 | TRACE("setting %s with transfer function %s", (*iter)->name(), |
---|
1691 | tf->name()); |
---|
1692 | (*iter)->transferFunction(tf); |
---|
1693 | } |
---|
1694 | return TCL_OK; |
---|
1695 | } |
---|
1696 | |
---|
1697 | static CmdSpec volumeShadingOps[] = { |
---|
1698 | {"ambient", 1, VolumeShadingAmbientOp, 4, 0, "value ?indices?",}, |
---|
1699 | {"diffuse", 1, VolumeShadingDiffuseOp, 4, 0, "value ?indices?",}, |
---|
1700 | {"isosurface", 1, VolumeShadingIsosurfaceOp, 4, 0, "bool ?indices?",}, |
---|
1701 | {"light2side", 1, VolumeShadingLight2SideOp, 4, 0, "bool ?indices?",}, |
---|
1702 | {"opacity", 1, VolumeShadingOpacityOp, 4, 0, "value ?indices?",}, |
---|
1703 | {"specularExp", 9, VolumeShadingSpecularExpOp, 4, 0, "value ?indices?",}, |
---|
1704 | {"specularLevel", 9, VolumeShadingSpecularOp, 4, 0, "value ?indices?",}, |
---|
1705 | {"transfunc", 1, VolumeShadingTransFuncOp, 4, 0, "funcName ?indices?",}, |
---|
1706 | }; |
---|
1707 | static int nVolumeShadingOps = NumCmdSpecs(volumeShadingOps); |
---|
1708 | |
---|
1709 | static int |
---|
1710 | VolumeShadingOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1711 | Tcl_Obj *const *objv) |
---|
1712 | { |
---|
1713 | Tcl_ObjCmdProc *proc; |
---|
1714 | |
---|
1715 | proc = GetOpFromObj(interp, nVolumeShadingOps, volumeShadingOps, |
---|
1716 | CMDSPEC_ARG2, objc, objv, 0); |
---|
1717 | if (proc == NULL) { |
---|
1718 | return TCL_ERROR; |
---|
1719 | } |
---|
1720 | return (*proc) (clientData, interp, objc, objv); |
---|
1721 | } |
---|
1722 | |
---|
1723 | static int |
---|
1724 | VolumeStateOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1725 | Tcl_Obj *const *objv) |
---|
1726 | { |
---|
1727 | bool state; |
---|
1728 | if (GetBooleanFromObj(interp, objv[2], &state) != TCL_OK) { |
---|
1729 | return TCL_ERROR; |
---|
1730 | } |
---|
1731 | std::vector<Volume *> ivol; |
---|
1732 | if (GetVolumes(interp, objc - 3, objv + 3, &ivol) != TCL_OK) { |
---|
1733 | return TCL_ERROR; |
---|
1734 | } |
---|
1735 | std::vector<Volume *>::iterator iter; |
---|
1736 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1737 | (*iter)->visible(state); |
---|
1738 | } |
---|
1739 | return TCL_OK; |
---|
1740 | } |
---|
1741 | |
---|
1742 | static CmdSpec volumeOps[] = { |
---|
1743 | {"animation", 2, VolumeAnimationOp, 3, 0, "oper ?args?",}, |
---|
1744 | {"data", 2, VolumeDataOp, 3, 0, "oper ?args?",}, |
---|
1745 | {"delete", 2, VolumeDeleteOp, 3, 0, "?name...?",}, |
---|
1746 | {"exists", 1, VolumeExistsOp, 3, 3, "name",}, |
---|
1747 | {"names", 1, VolumeNamesOp, 2, 2, "",}, |
---|
1748 | {"outline", 1, VolumeOutlineOp, 3, 0, "oper ?args?",}, |
---|
1749 | {"shading", 2, VolumeShadingOp, 3, 0, "oper ?args?",}, |
---|
1750 | {"state", 2, VolumeStateOp, 3, 0, "bool ?indices?",}, |
---|
1751 | }; |
---|
1752 | static int nVolumeOps = NumCmdSpecs(volumeOps); |
---|
1753 | |
---|
1754 | static int |
---|
1755 | VolumeCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1756 | Tcl_Obj *const *objv) |
---|
1757 | { |
---|
1758 | Tcl_ObjCmdProc *proc; |
---|
1759 | |
---|
1760 | proc = GetOpFromObj(interp, nVolumeOps, volumeOps, |
---|
1761 | CMDSPEC_ARG1, objc, objv, 0); |
---|
1762 | if (proc == NULL) { |
---|
1763 | return TCL_ERROR; |
---|
1764 | } |
---|
1765 | return (*proc) (clientData, interp, objc, objv); |
---|
1766 | } |
---|
1767 | |
---|
1768 | static int |
---|
1769 | HeightMapDataFollowsOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1770 | Tcl_Obj *const *objv) |
---|
1771 | { |
---|
1772 | int nBytes; |
---|
1773 | if (Tcl_GetIntFromObj(interp, objv[3], &nBytes) != TCL_OK) { |
---|
1774 | return TCL_ERROR; |
---|
1775 | } |
---|
1776 | const char *tag = Tcl_GetString(objv[4]); |
---|
1777 | |
---|
1778 | Rappture::Buffer buf(nBytes); |
---|
1779 | if (GetDataStream(interp, buf, nBytes) != TCL_OK) { |
---|
1780 | return TCL_ERROR; |
---|
1781 | } |
---|
1782 | Unirect2d data(1); |
---|
1783 | if (data.parseBuffer(interp, buf.bytes(), buf.size()) != TCL_OK) { |
---|
1784 | return TCL_ERROR; |
---|
1785 | } |
---|
1786 | if (data.nValues() == 0) { |
---|
1787 | Tcl_AppendResult(interp, "no data found in stream", (char *)NULL); |
---|
1788 | return TCL_ERROR; |
---|
1789 | } |
---|
1790 | if (!data.isInitialized()) { |
---|
1791 | return TCL_ERROR; |
---|
1792 | } |
---|
1793 | HeightMap *heightMap; |
---|
1794 | NanoVis::HeightMapHashmap::iterator itr = NanoVis::heightMapTable.find(tag); |
---|
1795 | if (itr != NanoVis::heightMapTable.end()) { |
---|
1796 | heightMap = itr->second; |
---|
1797 | } else { |
---|
1798 | heightMap = new HeightMap(); |
---|
1799 | NanoVis::heightMapTable[tag] = heightMap; |
---|
1800 | } |
---|
1801 | TRACE("Number of heightmaps=%d", NanoVis::heightMapTable.size()); |
---|
1802 | // Must set units before the heights. |
---|
1803 | heightMap->xAxis.units(data.xUnits()); |
---|
1804 | heightMap->yAxis.units(data.yUnits()); |
---|
1805 | heightMap->zAxis.units(data.vUnits()); |
---|
1806 | heightMap->wAxis.units(data.yUnits()); |
---|
1807 | heightMap->setHeight(data.xMin(), data.yMin(), data.xMax(), data.yMax(), |
---|
1808 | data.xNum(), data.yNum(), data.transferValues()); |
---|
1809 | heightMap->transferFunction(NanoVis::getTransferFunction("default")); |
---|
1810 | heightMap->setVisible(true); |
---|
1811 | heightMap->setLineContourVisible(true); |
---|
1812 | NanoVis::eventuallyRedraw(); |
---|
1813 | return TCL_OK; |
---|
1814 | } |
---|
1815 | |
---|
1816 | static int |
---|
1817 | HeightMapDataVisibleOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1818 | Tcl_Obj *const *objv) |
---|
1819 | { |
---|
1820 | bool visible; |
---|
1821 | if (GetBooleanFromObj(interp, objv[3], &visible) != TCL_OK) { |
---|
1822 | return TCL_ERROR; |
---|
1823 | } |
---|
1824 | std::vector<HeightMap *> imap; |
---|
1825 | if (GetHeightMaps(interp, objc - 4, objv + 4, &imap) != TCL_OK) { |
---|
1826 | return TCL_ERROR; |
---|
1827 | } |
---|
1828 | std::vector<HeightMap *>::iterator iter; |
---|
1829 | for (iter = imap.begin(); iter != imap.end(); iter++) { |
---|
1830 | (*iter)->setVisible(visible); |
---|
1831 | } |
---|
1832 | NanoVis::eventuallyRedraw(); |
---|
1833 | return TCL_OK; |
---|
1834 | } |
---|
1835 | |
---|
1836 | static CmdSpec heightMapDataOps[] = { |
---|
1837 | {"follows", 1, HeightMapDataFollowsOp, 5, 5, "size heightmapName",}, |
---|
1838 | {"visible", 1, HeightMapDataVisibleOp, 4, 0, "bool ?heightmapNames...?",}, |
---|
1839 | }; |
---|
1840 | static int nHeightMapDataOps = NumCmdSpecs(heightMapDataOps); |
---|
1841 | |
---|
1842 | static int |
---|
1843 | HeightMapDataOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1844 | Tcl_Obj *const *objv) |
---|
1845 | { |
---|
1846 | Tcl_ObjCmdProc *proc; |
---|
1847 | |
---|
1848 | proc = GetOpFromObj(interp, nHeightMapDataOps, heightMapDataOps, |
---|
1849 | CMDSPEC_ARG2, objc, objv, 0); |
---|
1850 | if (proc == NULL) { |
---|
1851 | return TCL_ERROR; |
---|
1852 | } |
---|
1853 | return (*proc) (clientData, interp, objc, objv); |
---|
1854 | } |
---|
1855 | |
---|
1856 | |
---|
1857 | static int |
---|
1858 | HeightMapLineContourColorOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1859 | Tcl_Obj *const *objv) |
---|
1860 | { |
---|
1861 | float rgb[3]; |
---|
1862 | if (GetColor(interp, objc - 3, objv + 3, rgb) != TCL_OK) { |
---|
1863 | return TCL_ERROR; |
---|
1864 | } |
---|
1865 | std::vector<HeightMap *> imap; |
---|
1866 | if (GetHeightMaps(interp, objc - 6, objv + 6, &imap) != TCL_OK) { |
---|
1867 | return TCL_ERROR; |
---|
1868 | } |
---|
1869 | std::vector<HeightMap *>::iterator iter; |
---|
1870 | for (iter = imap.begin(); iter != imap.end(); iter++) { |
---|
1871 | (*iter)->setLineContourColor(rgb); |
---|
1872 | } |
---|
1873 | NanoVis::eventuallyRedraw(); |
---|
1874 | return TCL_OK; |
---|
1875 | } |
---|
1876 | |
---|
1877 | static int |
---|
1878 | HeightMapLineContourVisibleOp(ClientData clientData, Tcl_Interp *interp, |
---|
1879 | int objc, Tcl_Obj *const *objv) |
---|
1880 | { |
---|
1881 | bool visible; |
---|
1882 | if (GetBooleanFromObj(interp, objv[3], &visible) != TCL_OK) { |
---|
1883 | return TCL_ERROR; |
---|
1884 | } |
---|
1885 | std::vector<HeightMap *> imap; |
---|
1886 | if (GetHeightMaps(interp, objc - 4, objv + 4, &imap) != TCL_OK) { |
---|
1887 | return TCL_ERROR; |
---|
1888 | } |
---|
1889 | std::vector<HeightMap *>::iterator iter; |
---|
1890 | for (iter = imap.begin(); iter != imap.end(); iter++) { |
---|
1891 | (*iter)->setLineContourVisible(visible); |
---|
1892 | } |
---|
1893 | NanoVis::eventuallyRedraw(); |
---|
1894 | return TCL_OK; |
---|
1895 | } |
---|
1896 | |
---|
1897 | static CmdSpec heightMapLineContourOps[] = { |
---|
1898 | {"color", 1, HeightMapLineContourColorOp, 6, 0, "r g b ?heightmapNames...?",}, |
---|
1899 | {"visible", 1, HeightMapLineContourVisibleOp, 4, 0, "bool ?heightmapNames...?",}, |
---|
1900 | }; |
---|
1901 | static int nHeightMapLineContourOps = NumCmdSpecs(heightMapLineContourOps); |
---|
1902 | |
---|
1903 | static int |
---|
1904 | HeightMapLineContourOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1905 | Tcl_Obj *const *objv) |
---|
1906 | { |
---|
1907 | Tcl_ObjCmdProc *proc; |
---|
1908 | |
---|
1909 | proc = GetOpFromObj(interp, nHeightMapLineContourOps, |
---|
1910 | heightMapLineContourOps, CMDSPEC_ARG2, objc, objv, 0); |
---|
1911 | if (proc == NULL) { |
---|
1912 | return TCL_ERROR; |
---|
1913 | } |
---|
1914 | return (*proc) (clientData, interp, objc, objv); |
---|
1915 | } |
---|
1916 | |
---|
1917 | static int |
---|
1918 | HeightMapCullOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1919 | Tcl_Obj *const *objv) |
---|
1920 | { |
---|
1921 | RenderContext::CullMode mode; |
---|
1922 | if (GetCullMode(interp, objv[2], &mode) != TCL_OK) { |
---|
1923 | return TCL_ERROR; |
---|
1924 | } |
---|
1925 | NanoVis::renderContext->setCullMode(mode); |
---|
1926 | NanoVis::eventuallyRedraw(); |
---|
1927 | return TCL_OK; |
---|
1928 | } |
---|
1929 | |
---|
1930 | static int |
---|
1931 | HeightMapCreateOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1932 | Tcl_Obj *const *objv) |
---|
1933 | { |
---|
1934 | const char *tag = Tcl_GetString(objv[2]); |
---|
1935 | NanoVis::HeightMapHashmap::iterator itr = NanoVis::heightMapTable.find(tag); |
---|
1936 | if (itr != NanoVis::heightMapTable.end()) { |
---|
1937 | Tcl_AppendResult(interp, "heightmap \"", tag, "\" already exists.", |
---|
1938 | (char *)NULL); |
---|
1939 | return TCL_ERROR; |
---|
1940 | } |
---|
1941 | /* heightmap create xmin ymin xmax ymax xnum ynum values */ |
---|
1942 | HeightMap *heightMap = CreateHeightMap(clientData, interp, objc - 3, objv + 3); |
---|
1943 | if (heightMap == NULL) { |
---|
1944 | return TCL_ERROR; |
---|
1945 | } |
---|
1946 | NanoVis::heightMapTable[tag] = heightMap; |
---|
1947 | NanoVis::eventuallyRedraw(); |
---|
1948 | TRACE("Number of heightmaps=%d", NanoVis::heightMapTable.size()); |
---|
1949 | return TCL_OK; |
---|
1950 | } |
---|
1951 | |
---|
1952 | static int |
---|
1953 | HeightMapLegendOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1954 | Tcl_Obj *const *objv) |
---|
1955 | { |
---|
1956 | HeightMap *hmPtr; |
---|
1957 | if (GetHeightMapFromObj(interp, objv[2], &hmPtr) != TCL_OK) { |
---|
1958 | return TCL_ERROR; |
---|
1959 | } |
---|
1960 | const char *tag; |
---|
1961 | tag = Tcl_GetString(objv[2]); |
---|
1962 | TransferFunction *tfPtr; |
---|
1963 | tfPtr = hmPtr->transferFunction(); |
---|
1964 | if (tfPtr == NULL) { |
---|
1965 | Tcl_AppendResult(interp, "no transfer function defined for heightmap" |
---|
1966 | " \"", tag, "\"", (char*)NULL); |
---|
1967 | return TCL_ERROR; |
---|
1968 | } |
---|
1969 | int w, h; |
---|
1970 | if ((Tcl_GetIntFromObj(interp, objv[3], &w) != TCL_OK) || |
---|
1971 | (Tcl_GetIntFromObj(interp, objv[4], &h) != TCL_OK)) { |
---|
1972 | return TCL_ERROR; |
---|
1973 | } |
---|
1974 | if (HeightMap::updatePending) { |
---|
1975 | NanoVis::setHeightmapRanges(); |
---|
1976 | } |
---|
1977 | NanoVis::renderLegend(tfPtr, HeightMap::valueMin, HeightMap::valueMax, |
---|
1978 | w, h, tag); |
---|
1979 | return TCL_OK; |
---|
1980 | } |
---|
1981 | |
---|
1982 | static int |
---|
1983 | HeightMapPolygonOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1984 | Tcl_Obj *const *objv) |
---|
1985 | { |
---|
1986 | RenderContext::PolygonMode mode; |
---|
1987 | if (GetPolygonMode(interp, objv[2], &mode) != TCL_OK) { |
---|
1988 | return TCL_ERROR; |
---|
1989 | } |
---|
1990 | NanoVis::renderContext->setPolygonMode(mode); |
---|
1991 | NanoVis::eventuallyRedraw(); |
---|
1992 | return TCL_OK; |
---|
1993 | } |
---|
1994 | |
---|
1995 | static int |
---|
1996 | HeightMapShadingOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1997 | Tcl_Obj *const *objv) |
---|
1998 | { |
---|
1999 | RenderContext::ShadingModel model; |
---|
2000 | if (GetShadingModel(interp, objv[2], &model) != TCL_OK) { |
---|
2001 | return TCL_ERROR; |
---|
2002 | } |
---|
2003 | NanoVis::renderContext->setShadingModel(model); |
---|
2004 | NanoVis::eventuallyRedraw(); |
---|
2005 | return TCL_OK; |
---|
2006 | } |
---|
2007 | |
---|
2008 | static int |
---|
2009 | HeightMapTransFuncOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2010 | Tcl_Obj *const *objv) |
---|
2011 | { |
---|
2012 | const char *name; |
---|
2013 | name = Tcl_GetString(objv[2]); |
---|
2014 | TransferFunction *tf = NanoVis::getTransferFunction(name); |
---|
2015 | if (tf == NULL) { |
---|
2016 | Tcl_AppendResult(interp, "transfer function \"", name, |
---|
2017 | "\" is not defined", (char*)NULL); |
---|
2018 | return TCL_ERROR; |
---|
2019 | } |
---|
2020 | std::vector<HeightMap *> imap; |
---|
2021 | if (GetHeightMaps(interp, objc - 3, objv + 3, &imap) != TCL_OK) { |
---|
2022 | return TCL_ERROR; |
---|
2023 | } |
---|
2024 | std::vector<HeightMap *>::iterator iter; |
---|
2025 | for (iter = imap.begin(); iter != imap.end(); iter++) { |
---|
2026 | (*iter)->transferFunction(tf); |
---|
2027 | } |
---|
2028 | NanoVis::eventuallyRedraw(); |
---|
2029 | return TCL_OK; |
---|
2030 | } |
---|
2031 | |
---|
2032 | static int |
---|
2033 | HeightMapOpacityOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2034 | Tcl_Obj *const *objv) |
---|
2035 | { |
---|
2036 | float opacity; |
---|
2037 | if (GetFloatFromObj(interp, objv[2], &opacity) != TCL_OK) { |
---|
2038 | return TCL_ERROR; |
---|
2039 | } |
---|
2040 | std::vector<HeightMap *> heightmaps; |
---|
2041 | if (GetHeightMaps(interp, objc - 3, objv + 3, &heightmaps) != TCL_OK) { |
---|
2042 | return TCL_ERROR; |
---|
2043 | } |
---|
2044 | std::vector<HeightMap *>::iterator iter; |
---|
2045 | for (iter = heightmaps.begin(); iter != heightmaps.end(); iter++) { |
---|
2046 | (*iter)->opacity(opacity); |
---|
2047 | } |
---|
2048 | NanoVis::eventuallyRedraw(); |
---|
2049 | return TCL_OK; |
---|
2050 | } |
---|
2051 | |
---|
2052 | static CmdSpec heightMapOps[] = { |
---|
2053 | {"create", 2, HeightMapCreateOp, 10, 10, "heightmapName xmin ymin xmax ymax xnum ynum values",}, |
---|
2054 | {"cull", 2, HeightMapCullOp, 3, 3, "mode",}, |
---|
2055 | {"data", 1, HeightMapDataOp, 3, 0, "oper ?args?",}, |
---|
2056 | {"legend", 2, HeightMapLegendOp, 5, 5, "heightmapName width height",}, |
---|
2057 | {"linecontour", 2, HeightMapLineContourOp, 2, 0, "oper ?args?",}, |
---|
2058 | {"opacity", 1, HeightMapOpacityOp, 3, 0, "value ?heightmapNames...? ",}, |
---|
2059 | {"polygon", 1, HeightMapPolygonOp, 3, 3, "mode",}, |
---|
2060 | {"shading", 1, HeightMapShadingOp, 3, 3, "model",}, |
---|
2061 | {"transfunc", 2, HeightMapTransFuncOp, 3, 0, "name ?heightmapNames...?",}, |
---|
2062 | }; |
---|
2063 | static int nHeightMapOps = NumCmdSpecs(heightMapOps); |
---|
2064 | |
---|
2065 | static int |
---|
2066 | HeightMapCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2067 | Tcl_Obj *const *objv) |
---|
2068 | { |
---|
2069 | Tcl_ObjCmdProc *proc; |
---|
2070 | |
---|
2071 | proc = GetOpFromObj(interp, nHeightMapOps, heightMapOps, |
---|
2072 | CMDSPEC_ARG1, objc, objv, 0); |
---|
2073 | if (proc == NULL) { |
---|
2074 | return TCL_ERROR; |
---|
2075 | } |
---|
2076 | return (*proc) (clientData, interp, objc, objv); |
---|
2077 | } |
---|
2078 | |
---|
2079 | static int |
---|
2080 | GridAxisColorOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2081 | Tcl_Obj *const *objv) |
---|
2082 | { |
---|
2083 | float r, g, b, a; |
---|
2084 | if ((GetFloatFromObj(interp, objv[2], &r) != TCL_OK) || |
---|
2085 | (GetFloatFromObj(interp, objv[3], &g) != TCL_OK) || |
---|
2086 | (GetFloatFromObj(interp, objv[4], &b) != TCL_OK)) { |
---|
2087 | return TCL_ERROR; |
---|
2088 | } |
---|
2089 | a = 1.0f; |
---|
2090 | if ((objc == 6) && (GetFloatFromObj(interp, objv[5], &a) != TCL_OK)) { |
---|
2091 | return TCL_ERROR; |
---|
2092 | } |
---|
2093 | if (NanoVis::grid) { |
---|
2094 | NanoVis::grid->setAxisColor(r, g, b, a); |
---|
2095 | } |
---|
2096 | return TCL_OK; |
---|
2097 | } |
---|
2098 | |
---|
2099 | static int |
---|
2100 | GridAxisNameOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2101 | Tcl_Obj *const *objv) |
---|
2102 | { |
---|
2103 | int axis; |
---|
2104 | if (GetAxisFromObj(interp, objv[2], &axis) != TCL_OK) { |
---|
2105 | return TCL_ERROR; |
---|
2106 | } |
---|
2107 | if (NanoVis::grid != NULL) { |
---|
2108 | Axis *axisPtr; |
---|
2109 | |
---|
2110 | axisPtr = NULL; /* Suppress compiler warning. */ |
---|
2111 | switch (axis) { |
---|
2112 | case 0: axisPtr = &NanoVis::grid->xAxis; break; |
---|
2113 | case 1: axisPtr = &NanoVis::grid->yAxis; break; |
---|
2114 | case 2: axisPtr = &NanoVis::grid->zAxis; break; |
---|
2115 | } |
---|
2116 | axisPtr->name(Tcl_GetString(objv[3])); |
---|
2117 | axisPtr->units(Tcl_GetString(objv[4])); |
---|
2118 | } |
---|
2119 | return TCL_OK; |
---|
2120 | } |
---|
2121 | |
---|
2122 | static int |
---|
2123 | GridLineColorOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2124 | Tcl_Obj *const *objv) |
---|
2125 | { |
---|
2126 | float r, g, b, a; |
---|
2127 | if ((GetFloatFromObj(interp, objv[2], &r) != TCL_OK) || |
---|
2128 | (GetFloatFromObj(interp, objv[3], &g) != TCL_OK) || |
---|
2129 | (GetFloatFromObj(interp, objv[4], &b) != TCL_OK)) { |
---|
2130 | return TCL_ERROR; |
---|
2131 | } |
---|
2132 | a = 1.0f; |
---|
2133 | if ((objc == 6) && (GetFloatFromObj(interp, objv[5], &a) != TCL_OK)) { |
---|
2134 | return TCL_ERROR; |
---|
2135 | } |
---|
2136 | if (NanoVis::grid) { |
---|
2137 | NanoVis::grid->setLineColor(r, g, b, a); |
---|
2138 | } |
---|
2139 | return TCL_OK; |
---|
2140 | } |
---|
2141 | |
---|
2142 | static int |
---|
2143 | GridVisibleOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2144 | Tcl_Obj *const *objv) |
---|
2145 | { |
---|
2146 | bool visible; |
---|
2147 | if (GetBooleanFromObj(interp, objv[2], &visible) != TCL_OK) { |
---|
2148 | return TCL_ERROR; |
---|
2149 | } |
---|
2150 | NanoVis::grid->setVisible(visible); |
---|
2151 | return TCL_OK; |
---|
2152 | } |
---|
2153 | |
---|
2154 | static CmdSpec gridOps[] = { |
---|
2155 | {"axiscolor", 5, GridAxisColorOp, 5, 6, "r g b ?a?",}, |
---|
2156 | {"axisname", 5, GridAxisNameOp, 5, 5, "index title units",}, |
---|
2157 | {"linecolor", 7, GridLineColorOp, 5, 6, "r g b ?a?",}, |
---|
2158 | {"visible", 1, GridVisibleOp, 3, 3, "bool",}, |
---|
2159 | }; |
---|
2160 | static int nGridOps = NumCmdSpecs(gridOps); |
---|
2161 | |
---|
2162 | static int |
---|
2163 | GridCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2164 | Tcl_Obj *const *objv) |
---|
2165 | { |
---|
2166 | Tcl_ObjCmdProc *proc; |
---|
2167 | |
---|
2168 | proc = GetOpFromObj(interp, nGridOps, gridOps, |
---|
2169 | CMDSPEC_ARG1, objc, objv, 0); |
---|
2170 | if (proc == NULL) { |
---|
2171 | return TCL_ERROR; |
---|
2172 | } |
---|
2173 | return (*proc) (clientData, interp, objc, objv); |
---|
2174 | } |
---|
2175 | |
---|
2176 | static int |
---|
2177 | AxisCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2178 | Tcl_Obj *const *objv) |
---|
2179 | { |
---|
2180 | if (objc < 2) { |
---|
2181 | Tcl_AppendResult(interp, "wrong # args: should be \"", |
---|
2182 | Tcl_GetString(objv[0]), " option arg arg...\"", (char*)NULL); |
---|
2183 | return TCL_ERROR; |
---|
2184 | } |
---|
2185 | const char *string = Tcl_GetString(objv[1]); |
---|
2186 | char c = string[0]; |
---|
2187 | if ((c == 'v') && (strcmp(string, "visible") == 0)) { |
---|
2188 | bool visible; |
---|
2189 | |
---|
2190 | if (GetBooleanFromObj(interp, objv[2], &visible) != TCL_OK) { |
---|
2191 | return TCL_ERROR; |
---|
2192 | } |
---|
2193 | NanoVis::orientationIndicator->setVisible(visible); |
---|
2194 | } else { |
---|
2195 | Tcl_AppendResult(interp, "bad axis option \"", string, |
---|
2196 | "\": should be visible", (char*)NULL); |
---|
2197 | return TCL_ERROR; |
---|
2198 | } |
---|
2199 | return TCL_OK; |
---|
2200 | } |
---|
2201 | |
---|
2202 | static int |
---|
2203 | ImageFlushCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2204 | Tcl_Obj *const *objv) |
---|
2205 | { |
---|
2206 | lastCmdStatus = TCL_BREAK; |
---|
2207 | return TCL_OK; |
---|
2208 | } |
---|
2209 | |
---|
2210 | /** |
---|
2211 | * \brief Execute commands from client in Tcl interpreter |
---|
2212 | * |
---|
2213 | * In this threaded model, the select call is for event compression. We |
---|
2214 | * want to execute render server commands as long as they keep coming. |
---|
2215 | * This lets us execute a stream of many commands but render once. This |
---|
2216 | * benefits camera movements, screen resizing, and opacity changes |
---|
2217 | * (using a slider on the client). The down side is you don't render |
---|
2218 | * until there's a lull in the command stream. If the client needs an |
---|
2219 | * image, it can issue an "imgflush" command. That breaks us out of the |
---|
2220 | * read loop. |
---|
2221 | */ |
---|
2222 | int |
---|
2223 | nv::processCommands(Tcl_Interp *interp, |
---|
2224 | ReadBuffer *inBufPtr, int fdOut) |
---|
2225 | { |
---|
2226 | int ret = 1; |
---|
2227 | int status = TCL_OK; |
---|
2228 | |
---|
2229 | Tcl_DString command; |
---|
2230 | Tcl_DStringInit(&command); |
---|
2231 | fd_set readFds; |
---|
2232 | struct timeval tv, *tvPtr; |
---|
2233 | |
---|
2234 | FD_ZERO(&readFds); |
---|
2235 | FD_SET(inBufPtr->file(), &readFds); |
---|
2236 | tvPtr = NULL; /* Wait for the first read. This is so |
---|
2237 | * that we don't spin when no data is |
---|
2238 | * available. */ |
---|
2239 | while (inBufPtr->isLineAvailable() || |
---|
2240 | (select(inBufPtr->file()+1, &readFds, NULL, NULL, tvPtr) > 0)) { |
---|
2241 | size_t numBytes; |
---|
2242 | unsigned char *buffer; |
---|
2243 | |
---|
2244 | /* A short read is treated as an error here because we assume that we |
---|
2245 | * will always get commands line by line. */ |
---|
2246 | if (inBufPtr->getLine(&numBytes, &buffer) != ReadBuffer::OK) { |
---|
2247 | /* Terminate the server if we can't communicate with the client |
---|
2248 | * anymore. */ |
---|
2249 | if (inBufPtr->status() == ReadBuffer::ENDFILE) { |
---|
2250 | TRACE("Exiting server on EOF from client"); |
---|
2251 | return -1; |
---|
2252 | } else { |
---|
2253 | ERROR("Exiting server, failed to read from client: %s", |
---|
2254 | strerror(errno)); |
---|
2255 | return -1; |
---|
2256 | } |
---|
2257 | } |
---|
2258 | Tcl_DStringAppend(&command, (char *)buffer, numBytes); |
---|
2259 | if (Tcl_CommandComplete(Tcl_DStringValue(&command))) { |
---|
2260 | struct timeval start, finish; |
---|
2261 | gettimeofday(&start, NULL); |
---|
2262 | status = ExecuteCommand(interp, &command); |
---|
2263 | gettimeofday(&finish, NULL); |
---|
2264 | g_stats.cmdTime += (MSECS_ELAPSED(start, finish) / 1.0e+3); |
---|
2265 | g_stats.nCommands++; |
---|
2266 | if (status == TCL_BREAK) { |
---|
2267 | return 1; /* This was caused by a "imgflush" |
---|
2268 | * command. Break out of the read loop |
---|
2269 | * and allow a new image to be |
---|
2270 | * rendered. */ |
---|
2271 | } else { //if (status != TCL_OK) { |
---|
2272 | ret = 0; |
---|
2273 | if (handleError(interp, status, fdOut) < 0) { |
---|
2274 | return -1; |
---|
2275 | } |
---|
2276 | } |
---|
2277 | } |
---|
2278 | |
---|
2279 | tv.tv_sec = tv.tv_usec = 0L; /* On successive reads, we break out |
---|
2280 | * if no data is available. */ |
---|
2281 | FD_SET(inBufPtr->file(), &readFds); |
---|
2282 | tvPtr = &tv; |
---|
2283 | } |
---|
2284 | |
---|
2285 | return ret; |
---|
2286 | } |
---|
2287 | |
---|
2288 | /** |
---|
2289 | * \brief Send error message to client socket |
---|
2290 | */ |
---|
2291 | int |
---|
2292 | nv::handleError(Tcl_Interp *interp, int status, int fdOut) |
---|
2293 | { |
---|
2294 | const char *string; |
---|
2295 | int nBytes; |
---|
2296 | |
---|
2297 | if (status != TCL_OK) { |
---|
2298 | string = Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY); |
---|
2299 | nBytes = strlen(string); |
---|
2300 | if (nBytes > 0) { |
---|
2301 | TRACE("status=%d errorInfo=(%s)", status, string); |
---|
2302 | |
---|
2303 | std::ostringstream oss; |
---|
2304 | oss << "nv>viserror -type internal_error -token " << g_stats.nCommands << " -bytes " << nBytes << "\n" << string; |
---|
2305 | std::string ostr = oss.str(); |
---|
2306 | nBytes = ostr.length(); |
---|
2307 | |
---|
2308 | #ifdef USE_THREADS |
---|
2309 | queueResponse(ostr.c_str(), nBytes, Response::VOLATILE, Response::ERROR); |
---|
2310 | #else |
---|
2311 | if (write(fdOut, oss.str().c_str(), nBytes) < 0) { |
---|
2312 | ERROR("write failed: %s", strerror(errno)); |
---|
2313 | return -1; |
---|
2314 | } |
---|
2315 | #endif |
---|
2316 | } |
---|
2317 | } |
---|
2318 | |
---|
2319 | std::string msg = getUserMessages(); |
---|
2320 | nBytes = msg.length(); |
---|
2321 | if (nBytes > 0) { |
---|
2322 | string = msg.c_str(); |
---|
2323 | TRACE("userError=(%s)", string); |
---|
2324 | |
---|
2325 | std::ostringstream oss; |
---|
2326 | oss << "nv>viserror -type error -token " << g_stats.nCommands << " -bytes " << nBytes << "\n" << string; |
---|
2327 | std::string ostr = oss.str(); |
---|
2328 | nBytes = ostr.length(); |
---|
2329 | |
---|
2330 | #ifdef USE_THREADS |
---|
2331 | queueResponse(ostr.c_str(), nBytes, Response::VOLATILE, Response::ERROR); |
---|
2332 | #else |
---|
2333 | if (write(fdOut, ostr.c_str(), nBytes) < 0) { |
---|
2334 | ERROR("write failed: %s", strerror(errno)); |
---|
2335 | return -1; |
---|
2336 | } |
---|
2337 | #endif |
---|
2338 | clearUserMessages(); |
---|
2339 | } |
---|
2340 | |
---|
2341 | return 0; |
---|
2342 | } |
---|
2343 | |
---|
2344 | void |
---|
2345 | nv::initTcl(Tcl_Interp *interp, ClientData clientData) |
---|
2346 | { |
---|
2347 | /* |
---|
2348 | * Ideally the connection is authenticated by nanoscale. I still like the |
---|
2349 | * idea of creating a non-safe master interpreter with a safe slave |
---|
2350 | * interpreter. Alias all the nanovis commands in the slave. That way we |
---|
2351 | * can still run Tcl code within nanovis. The eventual goal is to create |
---|
2352 | * a test harness through the interpreter for nanovis. |
---|
2353 | */ |
---|
2354 | |
---|
2355 | Tcl_MakeSafe(interp); |
---|
2356 | |
---|
2357 | Tcl_CreateObjCommand(interp, "axis", AxisCmd, clientData, NULL); |
---|
2358 | Tcl_CreateObjCommand(interp, "camera", CameraCmd, clientData, NULL); |
---|
2359 | Tcl_CreateObjCommand(interp, "clientinfo", ClientInfoCmd, clientData, NULL); |
---|
2360 | Tcl_CreateObjCommand(interp, "cutplane", CutplaneCmd, clientData, NULL); |
---|
2361 | FlowCmdInitProc(interp, clientData); |
---|
2362 | Tcl_CreateObjCommand(interp, "grid", GridCmd, clientData, NULL); |
---|
2363 | Tcl_CreateObjCommand(interp, "heightmap", HeightMapCmd, clientData, NULL); |
---|
2364 | Tcl_CreateObjCommand(interp, "imgflush", ImageFlushCmd, clientData, NULL); |
---|
2365 | Tcl_CreateObjCommand(interp, "legend", LegendCmd, clientData, NULL); |
---|
2366 | Tcl_CreateObjCommand(interp, "screen", ScreenCmd, clientData, NULL); |
---|
2367 | Tcl_CreateObjCommand(interp, "snapshot", SnapshotCmd, clientData, NULL); |
---|
2368 | Tcl_CreateObjCommand(interp, "transfunc", TransfuncCmd, clientData, NULL); |
---|
2369 | Tcl_CreateObjCommand(interp, "up", UpCmd, clientData, NULL); |
---|
2370 | Tcl_CreateObjCommand(interp, "volume", VolumeCmd, clientData, NULL); |
---|
2371 | |
---|
2372 | // create a default transfer function |
---|
2373 | if (Tcl_Eval(interp, def_transfunc) != TCL_OK) { |
---|
2374 | WARN("bad default transfer function:\n%s", |
---|
2375 | Tcl_GetStringResult(interp)); |
---|
2376 | } |
---|
2377 | } |
---|