[2798] | 1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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[226] | 2 | /* |
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| 3 | * ---------------------------------------------------------------------- |
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| 4 | * Nanovis: Visualization of Nanoelectronics Data |
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| 5 | * |
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| 6 | * ====================================================================== |
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| 7 | * AUTHOR: Wei Qiao <qiaow@purdue.edu> |
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[427] | 8 | * Michael McLennan <mmclennan@purdue.edu> |
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[226] | 9 | * Purdue Rendering and Perceptualization Lab (PURPL) |
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| 10 | * |
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[3502] | 11 | * Copyright (c) 2004-2013 HUBzero Foundation, LLC |
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[226] | 12 | * |
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| 13 | * See the file "license.terms" for information on usage and |
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| 14 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 15 | * ====================================================================== |
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| 16 | */ |
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[379] | 17 | |
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[1328] | 18 | #include <assert.h> |
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[1478] | 19 | #include <errno.h> |
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[1161] | 20 | #include <fcntl.h> |
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[755] | 21 | #include <getopt.h> |
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[1161] | 22 | #include <memory.h> |
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| 23 | #include <signal.h> |
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| 24 | #include <sys/resource.h> |
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[1899] | 25 | #include <sys/stat.h> |
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[391] | 26 | #include <sys/time.h> |
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[1161] | 27 | #include <sys/times.h> |
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[445] | 28 | #include <sys/types.h> |
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[2795] | 29 | #include <sys/uio.h> // for readv/writev |
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[1161] | 30 | #include <time.h> |
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[445] | 31 | #include <unistd.h> |
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[260] | 32 | |
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[2831] | 33 | #include <cstdlib> |
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| 34 | #include <cstdio> |
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[3453] | 35 | #include <cstring> |
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[2831] | 36 | #include <cmath> |
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[2827] | 37 | |
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[2831] | 38 | #include <iostream> |
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| 39 | #include <fstream> |
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| 40 | #include <sstream> |
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| 41 | #include <string> |
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[580] | 42 | |
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[3465] | 43 | #include <GL/glew.h> |
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| 44 | #include <GL/glut.h> |
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| 45 | |
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[2831] | 46 | #include <RpEncode.h> |
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[226] | 47 | |
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[3465] | 48 | #include <graphics/RenderContext.h> |
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[3492] | 49 | #include <vrmath/Vector3f.h> |
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[2831] | 50 | |
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[3465] | 51 | #include <util/FilePath.h> |
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| 52 | #include <util/Fonts.h> |
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| 53 | |
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[915] | 54 | #include <BMPImageLoaderImpl.h> |
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| 55 | #include <ImageLoaderFactory.h> |
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[848] | 56 | |
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[2877] | 57 | #include "config.h" |
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[2831] | 58 | #include "nanovis.h" |
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| 59 | #include "define.h" |
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| 60 | |
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[4612] | 61 | #include "Command.h" |
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| 62 | #include "Flow.h" |
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[2831] | 63 | #include "Grid.h" |
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| 64 | #include "HeightMap.h" |
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| 65 | #include "NvCamera.h" |
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[2870] | 66 | #include "NvShader.h" |
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[2831] | 67 | #include "NvLIC.h" |
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| 68 | #include "NvZincBlendeReconstructor.h" |
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| 69 | #include "PlaneRenderer.h" |
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| 70 | #ifdef USE_POINTSET_RENDERER |
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| 71 | #include "PointSetRenderer.h" |
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| 72 | #include "PointSet.h" |
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| 73 | #endif |
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| 74 | #include "Switch.h" |
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| 75 | #include "Trace.h" |
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[1429] | 76 | #include "Unirect.h" |
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[2831] | 77 | #include "VelocityArrowsSlice.h" |
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| 78 | #include "VolumeInterpolator.h" |
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| 79 | #include "VolumeRenderer.h" |
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| 80 | #include "ZincBlendeVolume.h" |
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[1429] | 81 | |
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[3463] | 82 | using namespace nv::graphics; |
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| 83 | using namespace nv::util; |
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[4612] | 84 | using namespace vrmath; |
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[3463] | 85 | |
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[1089] | 86 | #define SIZEOF_BMP_HEADER 54 |
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[1028] | 87 | |
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[1161] | 88 | #define CVT2SECS(x) ((double)(x).tv_sec) + ((double)(x).tv_usec * 1.0e-6) |
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| 89 | |
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| 90 | #define TRUE 1 |
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| 91 | #define FALSE 0 |
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| 92 | |
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[848] | 93 | // STATIC MEMBER DATA |
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[2834] | 94 | |
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[1111] | 95 | FILE *NanoVis::stdin = NULL; |
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| 96 | FILE *NanoVis::logfile = NULL; |
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[1182] | 97 | FILE *NanoVis::recfile = NULL; |
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[1111] | 98 | |
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[4802] | 99 | NanoVis::Stats NanoVis::stats; |
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[3376] | 100 | int NanoVis::statsFile = -1; |
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| 101 | |
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[3567] | 102 | unsigned int NanoVis::flags = 0; |
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| 103 | bool NanoVis::debugFlag = false; |
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[2877] | 104 | bool NanoVis::axisOn = true; |
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[860] | 105 | |
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[3567] | 106 | int NanoVis::winWidth = NPIX; |
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| 107 | int NanoVis::winHeight = NPIX; |
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| 108 | int NanoVis::renderWindow = 0; |
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| 109 | unsigned char *NanoVis::screenBuffer = NULL; |
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| 110 | Texture2D *NanoVis::legendTexture = NULL; |
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| 111 | Grid *NanoVis::grid = NULL; |
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| 112 | Fonts *NanoVis::fonts; |
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| 113 | int NanoVis::updir = Y_POS; |
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| 114 | NvCamera *NanoVis::cam = NULL; |
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| 115 | RenderContext *NanoVis::renderContext = NULL; |
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[934] | 116 | |
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[3567] | 117 | NanoVis::TransferFunctionHashmap NanoVis::tfTable; |
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| 118 | NanoVis::VolumeHashmap NanoVis::volumeTable; |
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| 119 | NanoVis::FlowHashmap NanoVis::flowTable; |
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| 120 | NanoVis::HeightMapHashmap NanoVis::heightMapTable; |
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[1028] | 121 | |
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[1510] | 122 | double NanoVis::magMin = DBL_MAX; |
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| 123 | double NanoVis::magMax = -DBL_MAX; |
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| 124 | float NanoVis::xMin = FLT_MAX; |
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| 125 | float NanoVis::xMax = -FLT_MAX; |
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| 126 | float NanoVis::yMin = FLT_MAX; |
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| 127 | float NanoVis::yMax = -FLT_MAX; |
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| 128 | float NanoVis::zMin = FLT_MAX; |
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| 129 | float NanoVis::zMax = -FLT_MAX; |
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| 130 | float NanoVis::wMin = FLT_MAX; |
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| 131 | float NanoVis::wMax = -FLT_MAX; |
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[4612] | 132 | Vector3f NanoVis::sceneMin, NanoVis::sceneMax; |
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[1431] | 133 | |
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[3567] | 134 | VolumeRenderer *NanoVis::volRenderer = NULL; |
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| 135 | VelocityArrowsSlice *NanoVis::velocityArrowsSlice = NULL; |
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| 136 | NvLIC *NanoVis::licRenderer = NULL; |
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| 137 | PlaneRenderer *NanoVis::planeRenderer = NULL; |
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| 138 | #ifdef USE_POINTSET_RENDERER |
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| 139 | PointSetRenderer *NanoVis::pointSetRenderer = NULL; |
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| 140 | std::vector<PointSet *> NanoVis::pointSet; |
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| 141 | #endif |
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[431] | 142 | |
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[3567] | 143 | Tcl_Interp *NanoVis::interp; |
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| 144 | |
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| 145 | // Image based flow visualization slice location |
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| 146 | // FLOW |
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| 147 | float NanoVis::_licSlice = 0.5f; |
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| 148 | int NanoVis::_licAxis = 2; // z axis |
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| 149 | |
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| 150 | //frame buffer for final rendering |
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| 151 | GLuint NanoVis::_finalFbo = 0; |
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| 152 | GLuint NanoVis::_finalColorTex = 0; |
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| 153 | GLuint NanoVis::_finalDepthRb = 0; |
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| 154 | |
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[1219] | 155 | // Default camera location. |
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[3492] | 156 | float def_eye_x = 0.0f; |
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| 157 | float def_eye_y = 0.0f; |
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| 158 | float def_eye_z = 2.5f; |
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[2880] | 159 | |
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[2951] | 160 | void |
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| 161 | NanoVis::removeAllData() |
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[1161] | 162 | { |
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[3452] | 163 | TRACE("Enter"); |
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[3362] | 164 | if (grid != NULL) { |
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| 165 | TRACE("Deleting grid"); |
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| 166 | delete grid; |
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| 167 | } |
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| 168 | if (cam != NULL) { |
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| 169 | TRACE("Deleting cam"); |
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| 170 | delete cam; |
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| 171 | } |
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| 172 | if (volRenderer != NULL) { |
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| 173 | TRACE("Deleting volRenderer"); |
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| 174 | delete volRenderer; |
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| 175 | } |
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| 176 | if (planeRenderer != NULL) { |
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| 177 | TRACE("Deleting planeRenderer"); |
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| 178 | delete planeRenderer; |
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| 179 | } |
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| 180 | if (legendTexture != NULL) { |
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| 181 | TRACE("Deleting legendTexture"); |
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| 182 | delete legendTexture; |
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| 183 | } |
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| 184 | TRACE("Deleting flows"); |
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[3566] | 185 | deleteFlows(interp); |
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[3362] | 186 | if (licRenderer != NULL) { |
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| 187 | TRACE("Deleting licRenderer"); |
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| 188 | delete licRenderer; |
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| 189 | } |
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| 190 | if (velocityArrowsSlice != NULL) { |
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| 191 | TRACE("Deleting velocityArrowsSlice"); |
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| 192 | delete velocityArrowsSlice; |
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| 193 | } |
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| 194 | if (renderContext != NULL) { |
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| 195 | TRACE("Deleting renderContext"); |
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| 196 | delete renderContext; |
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| 197 | } |
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| 198 | if (screenBuffer != NULL) { |
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| 199 | TRACE("Deleting screenBuffer"); |
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| 200 | delete [] screenBuffer; |
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[3559] | 201 | screenBuffer = NULL; |
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[3362] | 202 | } |
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| 203 | #ifdef USE_POINTSET_RENDERER |
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| 204 | if (pointSetRenderer != NULL) { |
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| 205 | TRACE("Deleting pointSetRenderer"); |
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| 206 | delete pointSetRenderer; |
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| 207 | } |
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| 208 | for (std::vector<PointSet *>::iterator itr = pointSet.begin(); |
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| 209 | itr != pointSet.end(); ++itr) { |
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| 210 | TRACE("Deleting pointSet: %p", *itr); |
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| 211 | delete (*itr); |
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| 212 | } |
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| 213 | #endif |
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[3470] | 214 | if (fonts != NULL) { |
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| 215 | TRACE("Deleting fonts"); |
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| 216 | delete fonts; |
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| 217 | } |
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[3452] | 218 | TRACE("Leave"); |
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[1161] | 219 | } |
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| 220 | |
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[1431] | 221 | void |
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[2877] | 222 | NanoVis::eventuallyRedraw(unsigned int flag) |
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[1431] | 223 | { |
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| 224 | if (flag) { |
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[2863] | 225 | flags |= flag; |
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[1431] | 226 | } |
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| 227 | if ((flags & REDRAW_PENDING) == 0) { |
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[2863] | 228 | glutPostRedisplay(); |
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| 229 | flags |= REDRAW_PENDING; |
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[1431] | 230 | } |
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| 231 | } |
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| 232 | |
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[3362] | 233 | #ifdef KEEPSTATS |
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| 234 | |
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[3403] | 235 | #ifndef STATSDIR |
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| 236 | #define STATSDIR "/var/tmp/visservers" |
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| 237 | #endif /*STATSDIR*/ |
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[1161] | 238 | |
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[3376] | 239 | int |
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[3377] | 240 | NanoVis::getStatsFile(Tcl_Obj *objPtr) |
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[3330] | 241 | { |
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[3376] | 242 | Tcl_DString ds; |
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[3377] | 243 | char fileName[33]; |
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[4802] | 244 | char pidstr[200]; |
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[3378] | 245 | const char *path; |
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[3377] | 246 | md5_state_t state; |
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| 247 | md5_byte_t digest[16]; |
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| 248 | char *string; |
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[3378] | 249 | int length; |
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[3376] | 250 | |
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[3394] | 251 | if ((objPtr == NULL) || (statsFile >= 0)) { |
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[3377] | 252 | return statsFile; |
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| 253 | } |
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[4802] | 254 | /* By itself the client's key/value pairs aren't unique. Add in the |
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| 255 | * process id of this render server. */ |
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| 256 | sprintf(pidstr, "%ld", (long)stats.pid); |
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| 257 | |
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| 258 | /* Create an md5 hash of the key/value pairs and use it as the file name. */ |
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[3377] | 259 | string = Tcl_GetStringFromObj(objPtr, &length); |
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| 260 | md5_init(&state); |
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[4802] | 261 | md5_append(&state, (const md5_byte_t *)string, strlen(string)); |
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| 262 | md5_append(&state, (const md5_byte_t *)pidstr, strlen(pidstr)); |
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[3377] | 263 | md5_finish(&state, digest); |
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[4802] | 264 | for (int i = 0; i < 16; i++) { |
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[3377] | 265 | sprintf(fileName + i * 2, "%02x", digest[i]); |
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| 266 | } |
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[3376] | 267 | Tcl_DStringInit(&ds); |
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| 268 | Tcl_DStringAppend(&ds, STATSDIR, -1); |
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[3377] | 269 | Tcl_DStringAppend(&ds, "/", 1); |
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[3378] | 270 | Tcl_DStringAppend(&ds, fileName, 32); |
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[3377] | 271 | path = Tcl_DStringValue(&ds); |
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[3376] | 272 | |
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[3377] | 273 | statsFile = open(path, O_EXCL | O_CREAT | O_WRONLY, 0600); |
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[3376] | 274 | Tcl_DStringFree(&ds); |
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| 275 | if (statsFile < 0) { |
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[3567] | 276 | ERROR("can't open \"%s\": %s", fileName, strerror(errno)); |
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| 277 | return -1; |
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[3376] | 278 | } |
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| 279 | return statsFile; |
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[3330] | 280 | } |
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| 281 | |
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| 282 | int |
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[3377] | 283 | NanoVis::writeToStatsFile(int f, const char *s, size_t length) |
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[3330] | 284 | { |
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[3377] | 285 | if (f >= 0) { |
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| 286 | ssize_t numWritten; |
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[3376] | 287 | |
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[3377] | 288 | numWritten = write(f, s, length); |
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[3376] | 289 | if (numWritten == (ssize_t)length) { |
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[3377] | 290 | close(dup(f)); |
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[3376] | 291 | } |
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[3330] | 292 | } |
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| 293 | return 0; |
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| 294 | } |
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| 295 | |
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| 296 | static int |
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[3362] | 297 | serverStats(int code) |
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[3330] | 298 | { |
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[1161] | 299 | double start, finish; |
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| 300 | char buf[BUFSIZ]; |
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| 301 | Tcl_DString ds; |
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[3330] | 302 | int result; |
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[1161] | 303 | |
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| 304 | { |
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[3567] | 305 | struct timeval tv; |
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[1161] | 306 | |
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[3567] | 307 | /* Get ending time. */ |
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| 308 | gettimeofday(&tv, NULL); |
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| 309 | finish = CVT2SECS(tv); |
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[4802] | 310 | tv = NanoVis::stats.start; |
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[3567] | 311 | start = CVT2SECS(tv); |
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[1161] | 312 | } |
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[3330] | 313 | /* |
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| 314 | * Session information: |
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| 315 | * - Name of render server |
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| 316 | * - Process ID |
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| 317 | * - Hostname where server is running |
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| 318 | * - Start date of session |
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| 319 | * - Start date of session in seconds |
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| 320 | * - Number of frames returned |
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| 321 | * - Number of bytes total returned (in frames) |
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| 322 | * - Number of commands received |
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| 323 | * - Total elapsed time of all commands |
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| 324 | * - Total elapsed time of session |
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| 325 | * - Exit code of vizserver |
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| 326 | * - User time |
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| 327 | * - System time |
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| 328 | * - User time of children |
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| 329 | * - System time of children |
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| 330 | */ |
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| 331 | |
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[1161] | 332 | Tcl_DStringInit(&ds); |
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[3330] | 333 | |
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| 334 | Tcl_DStringAppendElement(&ds, "render_stop"); |
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| 335 | /* renderer */ |
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| 336 | Tcl_DStringAppendElement(&ds, "renderer"); |
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| 337 | Tcl_DStringAppendElement(&ds, "nanovis"); |
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| 338 | /* pid */ |
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| 339 | Tcl_DStringAppendElement(&ds, "pid"); |
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[4802] | 340 | sprintf(buf, "%d", NanoVis::stats.pid); |
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[3330] | 341 | Tcl_DStringAppendElement(&ds, buf); |
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| 342 | /* host */ |
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| 343 | Tcl_DStringAppendElement(&ds, "host"); |
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[1169] | 344 | gethostname(buf, BUFSIZ-1); |
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| 345 | buf[BUFSIZ-1] = '\0'; |
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[3330] | 346 | Tcl_DStringAppendElement(&ds, buf); |
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| 347 | /* date */ |
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| 348 | Tcl_DStringAppendElement(&ds, "date"); |
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[4802] | 349 | strcpy(buf, ctime(&NanoVis::stats.start.tv_sec)); |
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[1161] | 350 | buf[strlen(buf) - 1] = '\0'; |
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[3330] | 351 | Tcl_DStringAppendElement(&ds, buf); |
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| 352 | /* date_secs */ |
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| 353 | Tcl_DStringAppendElement(&ds, "date_secs"); |
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[4802] | 354 | sprintf(buf, "%ld", NanoVis::stats.start.tv_sec); |
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[3330] | 355 | Tcl_DStringAppendElement(&ds, buf); |
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| 356 | /* num_frames */ |
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| 357 | Tcl_DStringAppendElement(&ds, "num_frames"); |
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[4804] | 358 | sprintf(buf, "%lu", (unsigned long)NanoVis::stats.nFrames); |
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[3330] | 359 | Tcl_DStringAppendElement(&ds, buf); |
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| 360 | /* frame_bytes */ |
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| 361 | Tcl_DStringAppendElement(&ds, "frame_bytes"); |
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[4804] | 362 | sprintf(buf, "%lu", (unsigned long)NanoVis::stats.nBytes); |
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[3330] | 363 | Tcl_DStringAppendElement(&ds, buf); |
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| 364 | /* num_commands */ |
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| 365 | Tcl_DStringAppendElement(&ds, "num_commands"); |
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[4804] | 366 | sprintf(buf, "%lu", (unsigned long)NanoVis::stats.nCommands); |
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[3330] | 367 | Tcl_DStringAppendElement(&ds, buf); |
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| 368 | /* cmd_time */ |
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| 369 | Tcl_DStringAppendElement(&ds, "cmd_time"); |
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[4802] | 370 | sprintf(buf, "%g", NanoVis::stats.cmdTime); |
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[3330] | 371 | Tcl_DStringAppendElement(&ds, buf); |
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| 372 | /* session_time */ |
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| 373 | Tcl_DStringAppendElement(&ds, "session_time"); |
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| 374 | sprintf(buf, "%g", finish - start); |
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| 375 | Tcl_DStringAppendElement(&ds, buf); |
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| 376 | /* status */ |
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| 377 | Tcl_DStringAppendElement(&ds, "status"); |
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| 378 | sprintf(buf, "%d", code); |
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| 379 | Tcl_DStringAppendElement(&ds, buf); |
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[1161] | 380 | { |
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[3567] | 381 | long clocksPerSec = sysconf(_SC_CLK_TCK); |
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| 382 | double clockRes = 1.0 / clocksPerSec; |
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| 383 | struct tms tms; |
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[1161] | 384 | |
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[3567] | 385 | memset(&tms, 0, sizeof(tms)); |
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| 386 | times(&tms); |
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| 387 | /* utime */ |
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| 388 | Tcl_DStringAppendElement(&ds, "utime"); |
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| 389 | sprintf(buf, "%g", tms.tms_utime * clockRes); |
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| 390 | Tcl_DStringAppendElement(&ds, buf); |
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| 391 | /* stime */ |
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| 392 | Tcl_DStringAppendElement(&ds, "stime"); |
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| 393 | sprintf(buf, "%g", tms.tms_stime * clockRes); |
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| 394 | Tcl_DStringAppendElement(&ds, buf); |
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| 395 | /* cutime */ |
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| 396 | Tcl_DStringAppendElement(&ds, "cutime"); |
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| 397 | sprintf(buf, "%g", tms.tms_cutime * clockRes); |
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| 398 | Tcl_DStringAppendElement(&ds, buf); |
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| 399 | /* cstime */ |
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| 400 | Tcl_DStringAppendElement(&ds, "cstime"); |
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| 401 | sprintf(buf, "%g", tms.tms_cstime * clockRes); |
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| 402 | Tcl_DStringAppendElement(&ds, buf); |
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[1161] | 403 | } |
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[3330] | 404 | Tcl_DStringAppend(&ds, "\n", -1); |
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[4802] | 405 | int f = NanoVis::getStatsFile(NULL); |
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[3377] | 406 | result = NanoVis::writeToStatsFile(f, Tcl_DStringValue(&ds), |
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[3330] | 407 | Tcl_DStringLength(&ds)); |
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[3377] | 408 | close(f); |
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[3330] | 409 | Tcl_DStringFree(&ds); |
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| 410 | return result; |
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[1161] | 411 | } |
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| 412 | |
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[3362] | 413 | #endif |
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| 414 | |
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[1161] | 415 | static void |
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[3453] | 416 | initService() |
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[1161] | 417 | { |
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[3453] | 418 | TRACE("Enter"); |
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| 419 | |
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| 420 | const char* user = getenv("USER"); |
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| 421 | char* logName = NULL; |
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| 422 | int logNameLen = 0; |
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| 423 | |
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| 424 | if (user == NULL) { |
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| 425 | logNameLen = 20+1; |
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| 426 | logName = (char *)calloc(logNameLen, sizeof(char)); |
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| 427 | strncpy(logName, "/tmp/nanovis_log.txt", logNameLen); |
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| 428 | } else { |
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| 429 | logNameLen = 17+1+strlen(user); |
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| 430 | logName = (char *)calloc(logNameLen, sizeof(char)); |
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| 431 | strncpy(logName, "/tmp/nanovis_log_", logNameLen); |
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| 432 | strncat(logName, user, strlen(user)); |
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| 433 | } |
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| 434 | |
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| 435 | //open log and map stderr to log file |
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| 436 | NanoVis::logfile = fopen(logName, "w"); |
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| 437 | dup2(fileno(NanoVis::logfile), 2); |
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| 438 | /* dup2(2,1); */ |
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| 439 | |
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| 440 | // clean up malloc'd memory |
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| 441 | if (logName != NULL) { |
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| 442 | free(logName); |
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| 443 | } |
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| 444 | |
---|
| 445 | TRACE("Leave"); |
---|
| 446 | } |
---|
| 447 | |
---|
| 448 | static void |
---|
| 449 | exitService(int code) |
---|
| 450 | { |
---|
| 451 | TRACE("Enter: %d", code); |
---|
| 452 | |
---|
[2951] | 453 | NanoVis::removeAllData(); |
---|
[2822] | 454 | |
---|
[2870] | 455 | NvShader::exitCg(); |
---|
| 456 | |
---|
[3453] | 457 | //close log file |
---|
| 458 | if (NanoVis::logfile != NULL) { |
---|
| 459 | fclose(NanoVis::logfile); |
---|
[3567] | 460 | NanoVis::logfile = NULL; |
---|
[3453] | 461 | } |
---|
[2822] | 462 | |
---|
[3362] | 463 | #ifdef KEEPSTATS |
---|
| 464 | serverStats(code); |
---|
| 465 | #endif |
---|
[1991] | 466 | closelog(); |
---|
[3453] | 467 | |
---|
[1161] | 468 | exit(code); |
---|
| 469 | } |
---|
| 470 | |
---|
| 471 | static int |
---|
[2877] | 472 | executeCommand(Tcl_Interp *interp, Tcl_DString *dsPtr) |
---|
[1161] | 473 | { |
---|
| 474 | struct timeval tv; |
---|
| 475 | double start, finish; |
---|
| 476 | int result; |
---|
| 477 | |
---|
[3452] | 478 | #ifdef WANT_TRACE |
---|
| 479 | char *str = Tcl_DStringValue(dsPtr); |
---|
| 480 | std::string cmd(str); |
---|
| 481 | cmd.erase(cmd.find_last_not_of(" \n\r\t")+1); |
---|
[4802] | 482 | TRACE("command %lu: '%s'", NanoVis::stats.nCommands+1, cmd.c_str()); |
---|
[3452] | 483 | #endif |
---|
[1984] | 484 | |
---|
[1161] | 485 | gettimeofday(&tv, NULL); |
---|
| 486 | start = CVT2SECS(tv); |
---|
| 487 | |
---|
[1182] | 488 | if (NanoVis::recfile != NULL) { |
---|
[1282] | 489 | fprintf(NanoVis::recfile, "%s", Tcl_DStringValue(dsPtr)); |
---|
| 490 | fflush(NanoVis::recfile); |
---|
[1182] | 491 | } |
---|
[1161] | 492 | result = Tcl_Eval(interp, Tcl_DStringValue(dsPtr)); |
---|
| 493 | Tcl_DStringSetLength(dsPtr, 0); |
---|
| 494 | |
---|
| 495 | gettimeofday(&tv, NULL); |
---|
| 496 | finish = CVT2SECS(tv); |
---|
| 497 | |
---|
[4802] | 498 | NanoVis::stats.cmdTime += finish - start; |
---|
| 499 | NanoVis::stats.nCommands++; |
---|
[3459] | 500 | TRACE("Leave status=%d", result); |
---|
[1161] | 501 | return result; |
---|
| 502 | } |
---|
| 503 | |
---|
[1241] | 504 | void |
---|
[1238] | 505 | NanoVis::pan(float dx, float dy) |
---|
[1236] | 506 | { |
---|
| 507 | /* Move the camera and its target by equal amounts along the x and y |
---|
| 508 | * axes. */ |
---|
[3452] | 509 | TRACE("pan: x=%f, y=%f", dx, dy); |
---|
[1312] | 510 | |
---|
[2880] | 511 | cam->x(def_eye_x - dx); |
---|
[1238] | 512 | cam->y(def_eye_y + dy); |
---|
[3452] | 513 | TRACE("set eye to %f %f", cam->x(), cam->y()); |
---|
[1236] | 514 | } |
---|
| 515 | |
---|
[2854] | 516 | void |
---|
| 517 | NanoVis::zoom(float z) |
---|
| 518 | { |
---|
| 519 | /* Move the camera and its target by equal amounts along the x and y |
---|
| 520 | * axes. */ |
---|
[3452] | 521 | TRACE("zoom: z=%f", z); |
---|
[1236] | 522 | |
---|
[2854] | 523 | cam->z(def_eye_z / z); |
---|
[3492] | 524 | |
---|
| 525 | collectBounds(); |
---|
| 526 | cam->resetClippingRange(sceneMin, sceneMax); |
---|
| 527 | |
---|
[3452] | 528 | TRACE("set cam z to %f", cam->z()); |
---|
[2854] | 529 | } |
---|
| 530 | |
---|
[3492] | 531 | void |
---|
| 532 | NanoVis::resetCamera(bool resetOrientation) |
---|
| 533 | { |
---|
| 534 | TRACE("Resetting all=%d", resetOrientation ? 1 : 0); |
---|
| 535 | |
---|
| 536 | collectBounds(); |
---|
| 537 | cam->reset(sceneMin, sceneMax, resetOrientation); |
---|
| 538 | |
---|
| 539 | def_eye_x = cam->x(); |
---|
| 540 | def_eye_y = cam->y(); |
---|
| 541 | def_eye_z = cam->z(); |
---|
| 542 | } |
---|
| 543 | |
---|
[2877] | 544 | /** \brief Load a 3D volume |
---|
| 545 | * |
---|
[4612] | 546 | * \param name Volume ID |
---|
| 547 | * \param width Number of samples in X direction |
---|
| 548 | * \param height Number of samples in Y direction |
---|
| 549 | * \param depth Number of samples in Z direction |
---|
| 550 | * \param numComponents the number of scalars for each space point. All component |
---|
[2877] | 551 | * scalars for a point are placed consequtively in data array |
---|
| 552 | * width, height and depth: number of points in each dimension |
---|
[4612] | 553 | * \param data Array of floats |
---|
| 554 | * \param vmin Min value of field |
---|
| 555 | * \param vmax Max value of field |
---|
| 556 | * \param nonZeroMin Minimum non-zero value of field |
---|
[2877] | 557 | * \param data pointer to an array of floats. |
---|
[226] | 558 | */ |
---|
[927] | 559 | Volume * |
---|
[2877] | 560 | NanoVis::loadVolume(const char *name, int width, int height, int depth, |
---|
[4612] | 561 | int numComponents, float *data, double vmin, double vmax, |
---|
| 562 | double nonZeroMin) |
---|
[457] | 563 | { |
---|
[3567] | 564 | VolumeHashmap::iterator itr = volumeTable.find(name); |
---|
| 565 | if (itr != volumeTable.end()) { |
---|
[2863] | 566 | WARN("volume \"%s\" already exists", name); |
---|
[3567] | 567 | removeVolume(itr->second); |
---|
[457] | 568 | } |
---|
[3567] | 569 | |
---|
| 570 | Volume *volume = new Volume(0.f, 0.f, 0.f, |
---|
| 571 | width, height, depth, |
---|
[4612] | 572 | numComponents, |
---|
| 573 | data, vmin, vmax, nonZeroMin); |
---|
[3362] | 574 | Volume::updatePending = true; |
---|
[3567] | 575 | volume->name(name); |
---|
| 576 | volumeTable[name] = volume; |
---|
| 577 | |
---|
| 578 | return volume; |
---|
[226] | 579 | } |
---|
| 580 | |
---|
[834] | 581 | // Gets a colormap 1D texture by name. |
---|
[2930] | 582 | TransferFunction * |
---|
[3567] | 583 | NanoVis::getTransferFunction(const TransferFunctionId& id) |
---|
[834] | 584 | { |
---|
[3567] | 585 | TransferFunctionHashmap::iterator itr = tfTable.find(id); |
---|
| 586 | if (itr == tfTable.end()) { |
---|
[3568] | 587 | TRACE("No transfer function named \"%s\" found", id.c_str()); |
---|
[887] | 588 | return NULL; |
---|
[3567] | 589 | } else { |
---|
| 590 | return itr->second; |
---|
[445] | 591 | } |
---|
[226] | 592 | } |
---|
| 593 | |
---|
[834] | 594 | // Creates of updates a colormap 1D texture by name. |
---|
[2930] | 595 | TransferFunction * |
---|
[3567] | 596 | NanoVis::defineTransferFunction(const TransferFunctionId& id, |
---|
| 597 | size_t n, float *data) |
---|
[587] | 598 | { |
---|
[3567] | 599 | TransferFunction *tf = getTransferFunction(id); |
---|
| 600 | if (tf == NULL) { |
---|
| 601 | TRACE("Creating new transfer function \"%s\"", id.c_str()); |
---|
[3568] | 602 | tf = new TransferFunction(id.c_str(), n, data); |
---|
[3567] | 603 | tfTable[id] = tf; |
---|
[834] | 604 | } else { |
---|
[3567] | 605 | TRACE("Updating existing transfer function \"%s\"", id.c_str()); |
---|
| 606 | tf->update(n, data); |
---|
[834] | 607 | } |
---|
[3567] | 608 | return tf; |
---|
[834] | 609 | } |
---|
[380] | 610 | |
---|
[1089] | 611 | int |
---|
[2877] | 612 | NanoVis::renderLegend(TransferFunction *tf, double min, double max, |
---|
[2953] | 613 | int width, int height, const char *volArg) |
---|
[829] | 614 | { |
---|
[3452] | 615 | TRACE("Enter"); |
---|
[1984] | 616 | |
---|
[2877] | 617 | int old_width = winWidth; |
---|
| 618 | int old_height = winHeight; |
---|
[829] | 619 | |
---|
[2930] | 620 | planeRenderer->setScreenSize(width, height); |
---|
[2877] | 621 | resizeOffscreenBuffer(width, height); |
---|
[829] | 622 | |
---|
| 623 | // generate data for the legend |
---|
| 624 | float data[512]; |
---|
| 625 | for (int i=0; i < 256; i++) { |
---|
| 626 | data[i] = data[i+256] = (float)(i/255.0); |
---|
| 627 | } |
---|
[2834] | 628 | legendTexture = new Texture2D(256, 2, GL_FLOAT, GL_LINEAR, 1, data); |
---|
[2930] | 629 | int index = planeRenderer->addPlane(legendTexture, tf); |
---|
| 630 | planeRenderer->setActivePlane(index); |
---|
[829] | 631 | |
---|
[2930] | 632 | bindOffscreenBuffer(); |
---|
[829] | 633 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear screen |
---|
[2877] | 634 | planeRenderer->render(); |
---|
[829] | 635 | |
---|
| 636 | // INSOO |
---|
[2877] | 637 | glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, screenBuffer); |
---|
| 638 | //glReadPixels(0, 0, width, height, GL_BGR, GL_UNSIGNED_BYTE, screenBuffer); // INSOO's |
---|
[829] | 639 | |
---|
[1984] | 640 | { |
---|
[1282] | 641 | char prefix[200]; |
---|
[2863] | 642 | ssize_t nWritten; |
---|
[1325] | 643 | |
---|
[2953] | 644 | TRACE("Sending ppm legend image %s min:%g max:%g", volArg, min, max); |
---|
[1282] | 645 | sprintf(prefix, "nv>legend %s %g %g", volArg, min, max); |
---|
[2877] | 646 | ppmWrite(prefix); |
---|
[2372] | 647 | nWritten = write(1, "\n", 1); |
---|
[2863] | 648 | assert(nWritten == 1); |
---|
[1195] | 649 | } |
---|
[2930] | 650 | planeRenderer->removePlane(index); |
---|
[2877] | 651 | resizeOffscreenBuffer(old_width, old_height); |
---|
[829] | 652 | |
---|
[2951] | 653 | delete legendTexture; |
---|
| 654 | legendTexture = NULL; |
---|
[3452] | 655 | TRACE("Leave"); |
---|
[829] | 656 | return TCL_OK; |
---|
| 657 | } |
---|
| 658 | |
---|
[226] | 659 | //initialize frame buffer objects for offscreen rendering |
---|
[1089] | 660 | void |
---|
[2877] | 661 | NanoVis::initOffscreenBuffer() |
---|
[580] | 662 | { |
---|
[3452] | 663 | TRACE("Enter"); |
---|
[2930] | 664 | assert(_finalFbo == 0); |
---|
[1197] | 665 | // Initialize a fbo for final display. |
---|
[2877] | 666 | glGenFramebuffersEXT(1, &_finalFbo); |
---|
[2831] | 667 | |
---|
[2877] | 668 | glGenTextures(1, &_finalColorTex); |
---|
| 669 | glBindTexture(GL_TEXTURE_2D, _finalColorTex); |
---|
[2831] | 670 | |
---|
[834] | 671 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
---|
| 672 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
---|
[2930] | 673 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
---|
| 674 | |
---|
[2877] | 675 | #if defined(HAVE_FLOAT_TEXTURES) && defined(USE_HALF_FLOAT) |
---|
| 676 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, winWidth, winHeight, 0, |
---|
[887] | 677 | GL_RGB, GL_INT, NULL); |
---|
[2877] | 678 | #elif defined(HAVE_FLOAT_TEXTURES) |
---|
| 679 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F_ARB, winWidth, winHeight, 0, |
---|
| 680 | GL_RGB, GL_INT, NULL); |
---|
[383] | 681 | #else |
---|
[2877] | 682 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, winWidth, winHeight, 0, |
---|
[1205] | 683 | GL_RGB, GL_INT, NULL); |
---|
[383] | 684 | #endif |
---|
[2930] | 685 | |
---|
[2877] | 686 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, _finalFbo); |
---|
| 687 | glGenRenderbuffersEXT(1, &_finalDepthRb); |
---|
| 688 | glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, _finalDepthRb); |
---|
[1198] | 689 | glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT24, |
---|
[2877] | 690 | winWidth, winHeight); |
---|
[1198] | 691 | glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, |
---|
[2877] | 692 | GL_TEXTURE_2D, _finalColorTex, 0); |
---|
[1198] | 693 | glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, |
---|
[2877] | 694 | GL_RENDERBUFFER_EXT, _finalDepthRb); |
---|
[1200] | 695 | |
---|
[1199] | 696 | GLenum status; |
---|
[1200] | 697 | if (!CheckFBO(&status)) { |
---|
[2877] | 698 | PrintFBOStatus(status, "finalFbo"); |
---|
[3453] | 699 | exitService(3); |
---|
[1199] | 700 | } |
---|
[1200] | 701 | |
---|
[3452] | 702 | TRACE("Leave"); |
---|
[226] | 703 | } |
---|
| 704 | |
---|
[423] | 705 | //resize the offscreen buffer |
---|
[834] | 706 | void |
---|
[2877] | 707 | NanoVis::resizeOffscreenBuffer(int w, int h) |
---|
[834] | 708 | { |
---|
[3452] | 709 | TRACE("Enter (%d, %d)", w, h); |
---|
[2877] | 710 | if ((w == winWidth) && (h == winHeight)) { |
---|
[1282] | 711 | return; |
---|
[1205] | 712 | } |
---|
[2877] | 713 | winWidth = w; |
---|
| 714 | winHeight = h; |
---|
[2831] | 715 | |
---|
[848] | 716 | if (fonts) { |
---|
| 717 | fonts->resize(w, h); |
---|
[776] | 718 | } |
---|
[3452] | 719 | TRACE("screenBuffer size: %d %d", w, h); |
---|
[2831] | 720 | |
---|
[2877] | 721 | if (screenBuffer != NULL) { |
---|
| 722 | delete [] screenBuffer; |
---|
| 723 | screenBuffer = NULL; |
---|
[834] | 724 | } |
---|
[2831] | 725 | |
---|
[2877] | 726 | screenBuffer = new unsigned char[4*winWidth*winHeight]; |
---|
| 727 | assert(screenBuffer != NULL); |
---|
[1200] | 728 | |
---|
[834] | 729 | //delete the current render buffer resources |
---|
[2877] | 730 | glDeleteTextures(1, &_finalColorTex); |
---|
| 731 | glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, _finalDepthRb); |
---|
| 732 | glDeleteRenderbuffersEXT(1, &_finalDepthRb); |
---|
[1205] | 733 | |
---|
[3452] | 734 | TRACE("before deleteframebuffers"); |
---|
[2877] | 735 | glDeleteFramebuffersEXT(1, &_finalFbo); |
---|
[1205] | 736 | |
---|
[3452] | 737 | TRACE("reinitialize FBO"); |
---|
[834] | 738 | //Reinitialize final fbo for final display |
---|
[2877] | 739 | glGenFramebuffersEXT(1, &_finalFbo); |
---|
[1205] | 740 | |
---|
[2877] | 741 | glGenTextures(1, &_finalColorTex); |
---|
| 742 | glBindTexture(GL_TEXTURE_2D, _finalColorTex); |
---|
[1205] | 743 | |
---|
[834] | 744 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
---|
| 745 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
---|
[2930] | 746 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
---|
| 747 | |
---|
[2877] | 748 | #if defined(HAVE_FLOAT_TEXTURES) && defined(USE_HALF_FLOAT) |
---|
| 749 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, winWidth, winHeight, 0, |
---|
[887] | 750 | GL_RGB, GL_INT, NULL); |
---|
[2877] | 751 | #elif defined(HAVE_FLOAT_TEXTURES) |
---|
| 752 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F_ARB, winWidth, winHeight, 0, |
---|
| 753 | GL_RGB, GL_INT, NULL); |
---|
[423] | 754 | #else |
---|
[2877] | 755 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, winWidth, winHeight, 0, |
---|
[887] | 756 | GL_RGB, GL_INT, NULL); |
---|
[423] | 757 | #endif |
---|
[2930] | 758 | |
---|
[2877] | 759 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, _finalFbo); |
---|
| 760 | glGenRenderbuffersEXT(1, &_finalDepthRb); |
---|
| 761 | glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, _finalDepthRb); |
---|
[1200] | 762 | glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT24, |
---|
[2877] | 763 | winWidth, winHeight); |
---|
[1205] | 764 | glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, |
---|
[2877] | 765 | GL_TEXTURE_2D, _finalColorTex, 0); |
---|
[1200] | 766 | glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, |
---|
[2877] | 767 | GL_RENDERBUFFER_EXT, _finalDepthRb); |
---|
[2831] | 768 | |
---|
[1199] | 769 | GLenum status; |
---|
[1200] | 770 | if (!CheckFBO(&status)) { |
---|
[2877] | 771 | PrintFBOStatus(status, "finalFbo"); |
---|
[3453] | 772 | exitService(3); |
---|
[1199] | 773 | } |
---|
[1200] | 774 | |
---|
[3452] | 775 | TRACE("change camera"); |
---|
[1205] | 776 | //change the camera setting |
---|
[2928] | 777 | cam->setScreenSize(0, 0, winWidth, winHeight); |
---|
[2930] | 778 | planeRenderer->setScreenSize(winWidth, winHeight); |
---|
[1205] | 779 | |
---|
[3452] | 780 | TRACE("Leave (%d, %d)", w, h); |
---|
[423] | 781 | } |
---|
| 782 | |
---|
[2877] | 783 | static |
---|
| 784 | void cgErrorCallback(void) |
---|
[851] | 785 | { |
---|
[2870] | 786 | if (!NvShader::printErrorInfo()) { |
---|
[3452] | 787 | TRACE("Cg error, exiting..."); |
---|
[3453] | 788 | exitService(-1); |
---|
[851] | 789 | } |
---|
| 790 | } |
---|
| 791 | |
---|
[848] | 792 | void NanoVis::init(const char* path) |
---|
| 793 | { |
---|
[2930] | 794 | // print OpenGL driver information |
---|
[3452] | 795 | TRACE("-----------------------------------------------------------"); |
---|
| 796 | TRACE("OpenGL version: %s", glGetString(GL_VERSION)); |
---|
| 797 | TRACE("OpenGL vendor: %s", glGetString(GL_VENDOR)); |
---|
| 798 | TRACE("OpenGL renderer: %s", glGetString(GL_RENDERER)); |
---|
| 799 | TRACE("-----------------------------------------------------------"); |
---|
[2822] | 800 | |
---|
[1111] | 801 | if (path == NULL) { |
---|
[3452] | 802 | ERROR("No path defined for shaders or resources"); |
---|
[3453] | 803 | exitService(1); |
---|
[1111] | 804 | } |
---|
[848] | 805 | GLenum err = glewInit(); |
---|
| 806 | if (GLEW_OK != err) { |
---|
[3452] | 807 | ERROR("Can't init GLEW: %s", glewGetErrorString(err)); |
---|
[3453] | 808 | exitService(1); |
---|
[848] | 809 | } |
---|
[3452] | 810 | TRACE("Using GLEW %s", glewGetString(GLEW_VERSION)); |
---|
[848] | 811 | |
---|
[2930] | 812 | // OpenGL 2.1 includes VBOs, PBOs, MRT, NPOT textures, point parameters, point sprites, |
---|
| 813 | // GLSL 1.2, and occlusion queries. |
---|
| 814 | if (!GLEW_VERSION_2_1) { |
---|
[3452] | 815 | ERROR("OpenGL version 2.1 or greater is required"); |
---|
[3453] | 816 | exitService(1); |
---|
[2877] | 817 | } |
---|
[2930] | 818 | |
---|
[2962] | 819 | // NVIDIA driver may report OpenGL 2.1, but not support PBOs in |
---|
| 820 | // indirect GLX contexts |
---|
| 821 | if (!GLEW_ARB_pixel_buffer_object) { |
---|
[3452] | 822 | ERROR("Pixel buffer objects are not supported by driver, please check that the user running nanovis has permissions to create a direct rendering context (e.g. user has read/write access to /dev/nvidia* device nodes in Linux)."); |
---|
[3453] | 823 | exitService(1); |
---|
[2962] | 824 | } |
---|
| 825 | |
---|
[2930] | 826 | // Additional extensions not in 2.1 core |
---|
| 827 | |
---|
| 828 | // Framebuffer objects were promoted in 3.0 |
---|
| 829 | if (!GLEW_EXT_framebuffer_object) { |
---|
[3452] | 830 | ERROR("EXT_framebuffer_oject extension is required"); |
---|
[3453] | 831 | exitService(1); |
---|
[2877] | 832 | } |
---|
[2930] | 833 | // Rectangle textures were promoted in 3.1 |
---|
| 834 | // FIXME: can use NPOT in place of rectangle textures |
---|
[2884] | 835 | if (!GLEW_ARB_texture_rectangle) { |
---|
[3452] | 836 | ERROR("ARB_texture_rectangle extension is required"); |
---|
[3453] | 837 | exitService(1); |
---|
[2884] | 838 | } |
---|
[2877] | 839 | #ifdef HAVE_FLOAT_TEXTURES |
---|
[2930] | 840 | // Float color buffers and textures were promoted in 3.0 |
---|
[2877] | 841 | if (!GLEW_ARB_texture_float || |
---|
| 842 | !GLEW_ARB_color_buffer_float) { |
---|
[3452] | 843 | ERROR("ARB_texture_float and ARB_color_buffer_float extensions are required"); |
---|
[3453] | 844 | exitService(1); |
---|
[2877] | 845 | } |
---|
| 846 | #endif |
---|
[2930] | 847 | // FIXME: should use ARB programs or (preferably) a GLSL profile for portability |
---|
[2882] | 848 | if (!GLEW_NV_vertex_program3 || |
---|
| 849 | !GLEW_NV_fragment_program2) { |
---|
[3452] | 850 | ERROR("NV_vertex_program3 and NV_fragment_program2 extensions are required"); |
---|
[3453] | 851 | exitService(1); |
---|
[2882] | 852 | } |
---|
[2877] | 853 | |
---|
[3463] | 854 | if (!FilePath::getInstance()->setPath(path)) { |
---|
[3452] | 855 | ERROR("can't set file path to %s", path); |
---|
[3453] | 856 | exitService(1); |
---|
[848] | 857 | } |
---|
[1703] | 858 | |
---|
[2856] | 859 | ImageLoaderFactory::getInstance()->addLoaderImpl("bmp", new BMPImageLoaderImpl()); |
---|
| 860 | |
---|
[2870] | 861 | NvShader::initCg(); |
---|
[2877] | 862 | NvShader::setErrorCallback(cgErrorCallback); |
---|
[2856] | 863 | |
---|
[3463] | 864 | fonts = new Fonts(); |
---|
[848] | 865 | fonts->addFont("verdana", "verdana.fnt"); |
---|
| 866 | fonts->setFont("verdana"); |
---|
[2856] | 867 | |
---|
[2930] | 868 | velocityArrowsSlice = new VelocityArrowsSlice; |
---|
[2951] | 869 | licRenderer = new NvLIC(NMESH, NPIX, NPIX, _licAxis, _licSlice); |
---|
[850] | 870 | |
---|
[848] | 871 | grid = new Grid(); |
---|
| 872 | grid->setFont(fonts); |
---|
| 873 | |
---|
[2827] | 874 | #ifdef USE_POINTSET_RENDERER |
---|
[2877] | 875 | pointSetRenderer = new PointSetRenderer(); |
---|
[1429] | 876 | #endif |
---|
[848] | 877 | } |
---|
| 878 | |
---|
[1089] | 879 | void |
---|
[2930] | 880 | NanoVis::initGL() |
---|
[1089] | 881 | { |
---|
[3452] | 882 | TRACE("in initGL"); |
---|
[1351] | 883 | //buffer to store data read from the screen |
---|
[2877] | 884 | if (screenBuffer) { |
---|
| 885 | delete[] screenBuffer; |
---|
| 886 | screenBuffer = NULL; |
---|
[1351] | 887 | } |
---|
[2877] | 888 | screenBuffer = new unsigned char[4*winWidth*winHeight]; |
---|
| 889 | assert(screenBuffer != NULL); |
---|
[427] | 890 | |
---|
[1351] | 891 | //create the camera with default setting |
---|
[2877] | 892 | cam = new NvCamera(0, 0, winWidth, winHeight, |
---|
[3362] | 893 | def_eye_x, def_eye_y, def_eye_z); |
---|
[226] | 894 | |
---|
[1351] | 895 | glEnable(GL_TEXTURE_2D); |
---|
| 896 | glShadeModel(GL_FLAT); |
---|
| 897 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
---|
[2930] | 898 | glClearColor(0, 0, 0, 1); |
---|
| 899 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
---|
[580] | 900 | |
---|
[1351] | 901 | //initialize lighting |
---|
| 902 | GLfloat mat_specular[] = {1.0, 1.0, 1.0, 1.0}; |
---|
| 903 | GLfloat mat_shininess[] = {30.0}; |
---|
| 904 | GLfloat white_light[] = {1.0, 1.0, 1.0, 1.0}; |
---|
| 905 | GLfloat green_light[] = {0.1, 0.5, 0.1, 1.0}; |
---|
[392] | 906 | |
---|
[1351] | 907 | glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular); |
---|
| 908 | glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess); |
---|
| 909 | glLightfv(GL_LIGHT0, GL_DIFFUSE, white_light); |
---|
| 910 | glLightfv(GL_LIGHT0, GL_SPECULAR, white_light); |
---|
| 911 | glLightfv(GL_LIGHT1, GL_DIFFUSE, green_light); |
---|
| 912 | glLightfv(GL_LIGHT1, GL_SPECULAR, white_light); |
---|
[392] | 913 | |
---|
[2877] | 914 | initOffscreenBuffer(); //frame buffer object for offscreen rendering |
---|
[226] | 915 | |
---|
[4612] | 916 | //create volume renderer |
---|
[2877] | 917 | volRenderer = new VolumeRenderer(); |
---|
[418] | 918 | |
---|
[1351] | 919 | // create |
---|
[3463] | 920 | renderContext = new RenderContext(); |
---|
[2831] | 921 | |
---|
[2870] | 922 | //create a 2D plane renderer |
---|
[2877] | 923 | planeRenderer = new PlaneRenderer(winWidth, winHeight); |
---|
[431] | 924 | |
---|
[1351] | 925 | //assert(glGetError()==0); |
---|
[448] | 926 | |
---|
[3452] | 927 | TRACE("leaving initGL"); |
---|
[226] | 928 | } |
---|
| 929 | |
---|
[414] | 930 | // used internally to build up the BMP file header |
---|
[1028] | 931 | // Writes an integer value into the header data structure at pos |
---|
| 932 | static inline void |
---|
[2877] | 933 | bmpHeaderAddInt(unsigned char* header, int& pos, int data) |
---|
[414] | 934 | { |
---|
[1028] | 935 | #ifdef WORDS_BIGENDIAN |
---|
| 936 | header[pos++] = (data >> 24) & 0xFF; |
---|
| 937 | header[pos++] = (data >> 16) & 0xFF; |
---|
| 938 | header[pos++] = (data >> 8) & 0xFF; |
---|
| 939 | header[pos++] = (data) & 0xFF; |
---|
| 940 | #else |
---|
[414] | 941 | header[pos++] = data & 0xff; |
---|
| 942 | header[pos++] = (data >> 8) & 0xff; |
---|
| 943 | header[pos++] = (data >> 16) & 0xff; |
---|
| 944 | header[pos++] = (data >> 24) & 0xff; |
---|
[1028] | 945 | #endif |
---|
[414] | 946 | } |
---|
[389] | 947 | |
---|
[580] | 948 | // INSOO |
---|
| 949 | // FOR DEBUGGING |
---|
[455] | 950 | void |
---|
[2877] | 951 | NanoVis::bmpWriteToFile(int frame_number, const char *directory_name) |
---|
[580] | 952 | { |
---|
[1028] | 953 | unsigned char header[SIZEOF_BMP_HEADER]; |
---|
[580] | 954 | int pos = 0; |
---|
| 955 | header[pos++] = 'B'; |
---|
| 956 | header[pos++] = 'M'; |
---|
| 957 | |
---|
| 958 | // BE CAREFUL: BMP files must have an even multiple of 4 bytes |
---|
| 959 | // on each scan line. If need be, we add padding to each line. |
---|
| 960 | int pad = 0; |
---|
[2877] | 961 | if ((3*winWidth) % 4 > 0) { |
---|
| 962 | pad = 4 - ((3*winWidth) % 4); |
---|
[580] | 963 | } |
---|
| 964 | |
---|
| 965 | // file size in bytes |
---|
[2877] | 966 | int fsize = (3*winWidth+pad)*winHeight + SIZEOF_BMP_HEADER; |
---|
| 967 | bmpHeaderAddInt(header, pos, fsize); |
---|
[580] | 968 | |
---|
| 969 | // reserved value (must be 0) |
---|
[2877] | 970 | bmpHeaderAddInt(header, pos, 0); |
---|
[580] | 971 | |
---|
| 972 | // offset in bytes to start of bitmap data |
---|
[2877] | 973 | bmpHeaderAddInt(header, pos, SIZEOF_BMP_HEADER); |
---|
[580] | 974 | |
---|
| 975 | // size of the BITMAPINFOHEADER |
---|
[2877] | 976 | bmpHeaderAddInt(header, pos, 40); |
---|
[580] | 977 | |
---|
| 978 | // width of the image in pixels |
---|
[2877] | 979 | bmpHeaderAddInt(header, pos, winWidth); |
---|
[580] | 980 | |
---|
| 981 | // height of the image in pixels |
---|
[2877] | 982 | bmpHeaderAddInt(header, pos, winHeight); |
---|
[580] | 983 | |
---|
| 984 | // 1 plane + (24 bits/pixel << 16) |
---|
[2877] | 985 | bmpHeaderAddInt(header, pos, 1572865); |
---|
[580] | 986 | |
---|
| 987 | // no compression |
---|
| 988 | // size of image for compression |
---|
[2877] | 989 | bmpHeaderAddInt(header, pos, 0); |
---|
| 990 | bmpHeaderAddInt(header, pos, 0); |
---|
[580] | 991 | |
---|
| 992 | // x pixels per meter |
---|
| 993 | // y pixels per meter |
---|
[2877] | 994 | bmpHeaderAddInt(header, pos, 0); |
---|
| 995 | bmpHeaderAddInt(header, pos, 0); |
---|
[580] | 996 | |
---|
| 997 | // number of colors used (0 = compute from bits/pixel) |
---|
| 998 | // number of important colors (0 = all colors important) |
---|
[2877] | 999 | bmpHeaderAddInt(header, pos, 0); |
---|
| 1000 | bmpHeaderAddInt(header, pos, 0); |
---|
[580] | 1001 | |
---|
| 1002 | // BE CAREFUL: BMP format wants BGR ordering for screen data |
---|
[2877] | 1003 | unsigned char* scr = screenBuffer; |
---|
| 1004 | for (int row=0; row < winHeight; row++) { |
---|
| 1005 | for (int col=0; col < winWidth; col++) { |
---|
[580] | 1006 | unsigned char tmp = scr[2]; |
---|
| 1007 | scr[2] = scr[0]; // B |
---|
| 1008 | scr[0] = tmp; // R |
---|
| 1009 | scr += 3; |
---|
| 1010 | } |
---|
| 1011 | scr += pad; // skip over padding already in screen data |
---|
| 1012 | } |
---|
| 1013 | |
---|
| 1014 | FILE* f; |
---|
[861] | 1015 | char filename[100]; |
---|
| 1016 | if (frame_number >= 0) { |
---|
[1089] | 1017 | if (directory_name) |
---|
| 1018 | sprintf(filename, "%s/image%03d.bmp", directory_name, frame_number); |
---|
| 1019 | else |
---|
| 1020 | sprintf(filename, "/tmp/flow_animation/image%03d.bmp", frame_number); |
---|
[902] | 1021 | |
---|
[3452] | 1022 | TRACE("Writing %s", filename); |
---|
[861] | 1023 | f = fopen(filename, "wb"); |
---|
[1089] | 1024 | if (f == 0) { |
---|
[3452] | 1025 | ERROR("cannot create file"); |
---|
[1089] | 1026 | } |
---|
[955] | 1027 | } else { |
---|
[861] | 1028 | f = fopen("/tmp/image.bmp", "wb"); |
---|
[1089] | 1029 | if (f == 0) { |
---|
[3452] | 1030 | ERROR("cannot create file"); |
---|
[1089] | 1031 | } |
---|
[861] | 1032 | } |
---|
[1429] | 1033 | if (fwrite(header, SIZEOF_BMP_HEADER, 1, f) != 1) { |
---|
[3452] | 1034 | ERROR("can't write header: short write"); |
---|
[1429] | 1035 | } |
---|
[2877] | 1036 | if (fwrite(screenBuffer, (3*winWidth+pad)*winHeight, 1, f) != 1) { |
---|
[3452] | 1037 | ERROR("can't write data: short write"); |
---|
[1429] | 1038 | } |
---|
[580] | 1039 | fclose(f); |
---|
| 1040 | } |
---|
| 1041 | |
---|
| 1042 | void |
---|
[2877] | 1043 | NanoVis::bmpWrite(const char *prefix) |
---|
[455] | 1044 | { |
---|
[1028] | 1045 | unsigned char header[SIZEOF_BMP_HEADER]; |
---|
[1325] | 1046 | ssize_t nWritten; |
---|
[455] | 1047 | int pos = 0; |
---|
[414] | 1048 | |
---|
[461] | 1049 | // BE CAREFUL: BMP files must have an even multiple of 4 bytes |
---|
| 1050 | // on each scan line. If need be, we add padding to each line. |
---|
| 1051 | int pad = 0; |
---|
[2877] | 1052 | if ((3*winWidth) % 4 > 0) { |
---|
| 1053 | pad = 4 - ((3*winWidth) % 4); |
---|
[461] | 1054 | } |
---|
[1028] | 1055 | pad = 0; |
---|
[2877] | 1056 | int fsize = (3*winWidth+pad)*winHeight + sizeof(header); |
---|
[461] | 1057 | |
---|
[1028] | 1058 | char string[200]; |
---|
| 1059 | sprintf(string, "%s %d\n", prefix, fsize); |
---|
[2372] | 1060 | nWritten = write(1, string, strlen(string)); |
---|
[1325] | 1061 | assert(nWritten == (ssize_t)strlen(string)); |
---|
[1028] | 1062 | header[pos++] = 'B'; |
---|
| 1063 | header[pos++] = 'M'; |
---|
| 1064 | |
---|
[455] | 1065 | // file size in bytes |
---|
[2877] | 1066 | bmpHeaderAddInt(header, pos, fsize); |
---|
[455] | 1067 | |
---|
| 1068 | // reserved value (must be 0) |
---|
[2877] | 1069 | bmpHeaderAddInt(header, pos, 0); |
---|
[455] | 1070 | |
---|
| 1071 | // offset in bytes to start of bitmap data |
---|
[2877] | 1072 | bmpHeaderAddInt(header, pos, SIZEOF_BMP_HEADER); |
---|
[455] | 1073 | |
---|
| 1074 | // size of the BITMAPINFOHEADER |
---|
[2877] | 1075 | bmpHeaderAddInt(header, pos, 40); |
---|
[455] | 1076 | |
---|
| 1077 | // width of the image in pixels |
---|
[2877] | 1078 | bmpHeaderAddInt(header, pos, winWidth); |
---|
[455] | 1079 | |
---|
| 1080 | // height of the image in pixels |
---|
[2877] | 1081 | bmpHeaderAddInt(header, pos, winHeight); |
---|
[455] | 1082 | |
---|
[461] | 1083 | // 1 plane + (24 bits/pixel << 16) |
---|
[2877] | 1084 | bmpHeaderAddInt(header, pos, 1572865); |
---|
[455] | 1085 | |
---|
| 1086 | // no compression |
---|
| 1087 | // size of image for compression |
---|
[2877] | 1088 | bmpHeaderAddInt(header, pos, 0); |
---|
| 1089 | bmpHeaderAddInt(header, pos, 0); |
---|
[455] | 1090 | |
---|
| 1091 | // x pixels per meter |
---|
| 1092 | // y pixels per meter |
---|
[2877] | 1093 | bmpHeaderAddInt(header, pos, 0); |
---|
| 1094 | bmpHeaderAddInt(header, pos, 0); |
---|
[455] | 1095 | |
---|
| 1096 | // number of colors used (0 = compute from bits/pixel) |
---|
| 1097 | // number of important colors (0 = all colors important) |
---|
[2877] | 1098 | bmpHeaderAddInt(header, pos, 0); |
---|
| 1099 | bmpHeaderAddInt(header, pos, 0); |
---|
[455] | 1100 | |
---|
| 1101 | // BE CAREFUL: BMP format wants BGR ordering for screen data |
---|
[2877] | 1102 | unsigned char* scr = screenBuffer; |
---|
| 1103 | for (int row=0; row < winHeight; row++) { |
---|
| 1104 | for (int col=0; col < winWidth; col++) { |
---|
[461] | 1105 | unsigned char tmp = scr[2]; |
---|
| 1106 | scr[2] = scr[0]; // B |
---|
| 1107 | scr[0] = tmp; // R |
---|
| 1108 | scr += 3; |
---|
| 1109 | } |
---|
| 1110 | scr += pad; // skip over padding already in screen data |
---|
[455] | 1111 | } |
---|
| 1112 | |
---|
[2372] | 1113 | nWritten = write(1, header, SIZEOF_BMP_HEADER); |
---|
[1325] | 1114 | assert(nWritten == SIZEOF_BMP_HEADER); |
---|
[2877] | 1115 | nWritten = write(1, screenBuffer, (3*winWidth+pad)*winHeight); |
---|
| 1116 | assert(nWritten == (3*winWidth+pad)*winHeight); |
---|
[1161] | 1117 | stats.nFrames++; |
---|
[2877] | 1118 | stats.nBytes += (3*winWidth+pad)*winHeight; |
---|
[1028] | 1119 | } |
---|
[580] | 1120 | |
---|
[1028] | 1121 | /* |
---|
[2877] | 1122 | * ppmWrite -- |
---|
[1028] | 1123 | * |
---|
[1089] | 1124 | * Writes the screen image as PPM binary data to the nanovisviewer |
---|
| 1125 | * client. The PPM binary format is very simple. |
---|
[1028] | 1126 | * |
---|
[1089] | 1127 | * P6 w h 255\n |
---|
| 1128 | * 3-byte RGB pixel data. |
---|
[1028] | 1129 | * |
---|
[1089] | 1130 | * The nanovisviewer client (using the TkImg library) will do less work |
---|
| 1131 | * to unpack this format, as opposed to BMP or PNG. (This doesn't |
---|
| 1132 | * eliminate the need to look into DXT compression performed on the GPU). |
---|
[1028] | 1133 | * |
---|
| 1134 | * Note that currently the image data from the screen is both row-padded |
---|
| 1135 | * and the scan lines are reversed. This routine could be made even |
---|
| 1136 | * simpler (faster) if the screen buffer is an array of packed 3-bytes |
---|
| 1137 | * per pixels (no padding) and where the origin is the top-left corner. |
---|
| 1138 | */ |
---|
| 1139 | void |
---|
[2877] | 1140 | NanoVis::ppmWrite(const char *prefix) |
---|
[1028] | 1141 | { |
---|
| 1142 | #define PPM_MAXVAL 255 |
---|
| 1143 | char header[200]; |
---|
| 1144 | |
---|
[3452] | 1145 | TRACE("Enter (%dx%d)", winWidth, winHeight); |
---|
[1028] | 1146 | // Generate the PPM binary file header |
---|
[2877] | 1147 | sprintf(header, "P6 %d %d %d\n", winWidth, winHeight, PPM_MAXVAL); |
---|
[1028] | 1148 | |
---|
| 1149 | size_t header_length = strlen(header); |
---|
[2877] | 1150 | size_t data_length = winWidth * winHeight * 3; |
---|
[1028] | 1151 | |
---|
| 1152 | char command[200]; |
---|
[1170] | 1153 | sprintf(command, "%s %lu\n", prefix, |
---|
[1282] | 1154 | (unsigned long)header_length + data_length); |
---|
[1028] | 1155 | |
---|
[2877] | 1156 | size_t wordsPerRow = (winWidth * 24 + 31) / 32; |
---|
[1028] | 1157 | size_t bytesPerRow = wordsPerRow * 4; |
---|
[2877] | 1158 | size_t rowLength = winWidth * 3; |
---|
| 1159 | size_t nRecs = winHeight + 2; |
---|
[1028] | 1160 | |
---|
| 1161 | struct iovec *iov; |
---|
| 1162 | iov = (struct iovec *)malloc(sizeof(struct iovec) * nRecs); |
---|
| 1163 | |
---|
| 1164 | // Write the nanovisviewer command, then the image header and data. |
---|
| 1165 | // Command |
---|
| 1166 | iov[0].iov_base = command; |
---|
| 1167 | iov[0].iov_len = strlen(command); |
---|
| 1168 | // Header of image data |
---|
| 1169 | iov[1].iov_base = header; |
---|
| 1170 | iov[1].iov_len = header_length; |
---|
| 1171 | // Image data. |
---|
| 1172 | int y; |
---|
[2877] | 1173 | unsigned char *srcRowPtr = screenBuffer; |
---|
| 1174 | for (y = winHeight + 1; y >= 2; y--) { |
---|
[1089] | 1175 | iov[y].iov_base = srcRowPtr; |
---|
| 1176 | iov[y].iov_len = rowLength; |
---|
| 1177 | srcRowPtr += bytesPerRow; |
---|
[1028] | 1178 | } |
---|
[2372] | 1179 | if (writev(1, iov, nRecs) < 0) { |
---|
[3452] | 1180 | ERROR("write failed: %s", strerror(errno)); |
---|
[1478] | 1181 | } |
---|
[1028] | 1182 | free(iov); |
---|
[1161] | 1183 | stats.nFrames++; |
---|
[2877] | 1184 | stats.nBytes += (bytesPerRow * winHeight); |
---|
[3452] | 1185 | TRACE("Leave (%dx%d)", winWidth, winHeight); |
---|
[455] | 1186 | } |
---|
| 1187 | |
---|
[1295] | 1188 | void |
---|
| 1189 | NanoVis::sendDataToClient(const char *command, const char *data, size_t dlen) |
---|
| 1190 | { |
---|
[3559] | 1191 | size_t numRecords = 2; |
---|
[1295] | 1192 | |
---|
[3559] | 1193 | struct iovec *iov = new iovec[numRecords]; |
---|
[1295] | 1194 | |
---|
| 1195 | // Write the nanovisviewer command, then the image header and data. |
---|
| 1196 | // Command |
---|
[1351] | 1197 | // FIXME: shouldn't have to cast this |
---|
[1295] | 1198 | iov[0].iov_base = (char *)command; |
---|
| 1199 | iov[0].iov_len = strlen(command); |
---|
| 1200 | // Data |
---|
[1351] | 1201 | // FIXME: shouldn't have to cast this |
---|
[1295] | 1202 | iov[1].iov_base = (char *)data; |
---|
| 1203 | iov[1].iov_len = dlen; |
---|
[3559] | 1204 | if (writev(1, iov, numRecords) < 0) { |
---|
[3452] | 1205 | ERROR("write failed: %s", strerror(errno)); |
---|
[1478] | 1206 | } |
---|
[1984] | 1207 | delete [] iov; |
---|
[1295] | 1208 | } |
---|
| 1209 | |
---|
[1194] | 1210 | void |
---|
| 1211 | NanoVis::idle() |
---|
[580] | 1212 | { |
---|
[3452] | 1213 | TRACE("Enter"); |
---|
| 1214 | |
---|
[2877] | 1215 | glutSetWindow(renderWindow); |
---|
[1089] | 1216 | |
---|
[3452] | 1217 | processCommands(); |
---|
[226] | 1218 | |
---|
[3452] | 1219 | TRACE("Leave"); |
---|
[226] | 1220 | } |
---|
| 1221 | |
---|
[2951] | 1222 | void |
---|
| 1223 | NanoVis::draw3dAxis() |
---|
[834] | 1224 | { |
---|
[2930] | 1225 | glPushAttrib(GL_ENABLE_BIT); |
---|
| 1226 | |
---|
[587] | 1227 | glDisable(GL_TEXTURE_2D); |
---|
| 1228 | glEnable(GL_DEPTH_TEST); |
---|
[2930] | 1229 | glEnable(GL_COLOR_MATERIAL); |
---|
| 1230 | glDisable(GL_BLEND); |
---|
[1089] | 1231 | |
---|
[834] | 1232 | //draw axes |
---|
| 1233 | GLUquadric *obj; |
---|
[392] | 1234 | |
---|
[834] | 1235 | obj = gluNewQuadric(); |
---|
[1089] | 1236 | |
---|
[834] | 1237 | int segments = 50; |
---|
[1089] | 1238 | |
---|
[834] | 1239 | glColor3f(0.8, 0.8, 0.8); |
---|
| 1240 | glPushMatrix(); |
---|
| 1241 | glTranslatef(0.4, 0., 0.); |
---|
| 1242 | glRotatef(90, 1, 0, 0); |
---|
| 1243 | glRotatef(180, 0, 1, 0); |
---|
| 1244 | glScalef(0.0005, 0.0005, 0.0005); |
---|
| 1245 | glutStrokeCharacter(GLUT_STROKE_ROMAN, 'x'); |
---|
[1089] | 1246 | glPopMatrix(); |
---|
| 1247 | |
---|
[834] | 1248 | glPushMatrix(); |
---|
| 1249 | glTranslatef(0., 0.4, 0.); |
---|
| 1250 | glRotatef(90, 1, 0, 0); |
---|
| 1251 | glRotatef(180, 0, 1, 0); |
---|
| 1252 | glScalef(0.0005, 0.0005, 0.0005); |
---|
| 1253 | glutStrokeCharacter(GLUT_STROKE_ROMAN, 'y'); |
---|
[1089] | 1254 | glPopMatrix(); |
---|
| 1255 | |
---|
[834] | 1256 | glPushMatrix(); |
---|
| 1257 | glTranslatef(0., 0., 0.4); |
---|
| 1258 | glRotatef(90, 1, 0, 0); |
---|
| 1259 | glRotatef(180, 0, 1, 0); |
---|
| 1260 | glScalef(0.0005, 0.0005, 0.0005); |
---|
| 1261 | glutStrokeCharacter(GLUT_STROKE_ROMAN, 'z'); |
---|
[1089] | 1262 | glPopMatrix(); |
---|
| 1263 | |
---|
[834] | 1264 | glEnable(GL_LIGHTING); |
---|
| 1265 | glEnable(GL_LIGHT0); |
---|
[1089] | 1266 | |
---|
[834] | 1267 | //glColor3f(0.2, 0.2, 0.8); |
---|
| 1268 | glPushMatrix(); |
---|
| 1269 | glutSolidSphere(0.02, segments, segments ); |
---|
| 1270 | glPopMatrix(); |
---|
[1089] | 1271 | |
---|
[834] | 1272 | glPushMatrix(); |
---|
[1089] | 1273 | glRotatef(-90, 1, 0, 0); |
---|
[834] | 1274 | gluCylinder(obj, 0.01, 0.01, 0.3, segments, segments); |
---|
[1089] | 1275 | glPopMatrix(); |
---|
| 1276 | |
---|
[834] | 1277 | glPushMatrix(); |
---|
| 1278 | glTranslatef(0., 0.3, 0.); |
---|
[1089] | 1279 | glRotatef(-90, 1, 0, 0); |
---|
[834] | 1280 | gluCylinder(obj, 0.02, 0.0, 0.06, segments, segments); |
---|
[1089] | 1281 | glPopMatrix(); |
---|
| 1282 | |
---|
[834] | 1283 | glPushMatrix(); |
---|
| 1284 | glRotatef(90, 0, 1, 0); |
---|
| 1285 | gluCylinder(obj, 0.01, 0.01, 0.3, segments, segments); |
---|
[1089] | 1286 | glPopMatrix(); |
---|
| 1287 | |
---|
[834] | 1288 | glPushMatrix(); |
---|
| 1289 | glTranslatef(0.3, 0., 0.); |
---|
[1089] | 1290 | glRotatef(90, 0, 1, 0); |
---|
[834] | 1291 | gluCylinder(obj, 0.02, 0.0, 0.06, segments, segments); |
---|
[1089] | 1292 | glPopMatrix(); |
---|
| 1293 | |
---|
[834] | 1294 | glPushMatrix(); |
---|
| 1295 | gluCylinder(obj, 0.01, 0.01, 0.3, segments, segments); |
---|
[1089] | 1296 | glPopMatrix(); |
---|
| 1297 | |
---|
[834] | 1298 | glPushMatrix(); |
---|
| 1299 | glTranslatef(0., 0., 0.3); |
---|
| 1300 | gluCylinder(obj, 0.02, 0.0, 0.06, segments, segments); |
---|
[1089] | 1301 | glPopMatrix(); |
---|
| 1302 | |
---|
[834] | 1303 | gluDeleteQuadric(obj); |
---|
[1089] | 1304 | |
---|
[2930] | 1305 | glPopAttrib(); |
---|
[392] | 1306 | } |
---|
| 1307 | |
---|
[884] | 1308 | void NanoVis::update() |
---|
| 1309 | { |
---|
[2975] | 1310 | VolumeInterpolator *volInterp = volRenderer->getVolumeInterpolator(); |
---|
| 1311 | if (volInterp->isStarted()) { |
---|
[887] | 1312 | struct timeval clock; |
---|
| 1313 | gettimeofday(&clock, NULL); |
---|
[932] | 1314 | double elapsed_time; |
---|
| 1315 | |
---|
[1089] | 1316 | elapsed_time = clock.tv_sec + clock.tv_usec/1000000.0 - |
---|
[2975] | 1317 | volInterp->getStartTime(); |
---|
[1089] | 1318 | |
---|
[3452] | 1319 | TRACE("%lf %lf", elapsed_time, |
---|
[2975] | 1320 | volInterp->getInterval()); |
---|
[887] | 1321 | float fraction; |
---|
| 1322 | float f; |
---|
[378] | 1323 | |
---|
[2975] | 1324 | f = fmod((float) elapsed_time, (float)volInterp->getInterval()); |
---|
[900] | 1325 | if (f == 0.0) { |
---|
[887] | 1326 | fraction = 0.0f; |
---|
| 1327 | } else { |
---|
[2975] | 1328 | fraction = f / volInterp->getInterval(); |
---|
[887] | 1329 | } |
---|
[3452] | 1330 | TRACE("fraction : %f", fraction); |
---|
[2975] | 1331 | volInterp->update(fraction); |
---|
[887] | 1332 | } |
---|
[884] | 1333 | } |
---|
| 1334 | |
---|
[932] | 1335 | void |
---|
[2877] | 1336 | NanoVis::setVolumeRanges() |
---|
[932] | 1337 | { |
---|
| 1338 | double xMin, xMax, yMin, yMax, zMin, zMax, wMin, wMax; |
---|
[1089] | 1339 | |
---|
[3453] | 1340 | TRACE("Enter"); |
---|
[2863] | 1341 | xMin = yMin = zMin = wMin = DBL_MAX; |
---|
| 1342 | xMax = yMax = zMax = wMax = -DBL_MAX; |
---|
[3567] | 1343 | VolumeHashmap::iterator itr; |
---|
| 1344 | for (itr = volumeTable.begin(); |
---|
| 1345 | itr != volumeTable.end(); ++itr) { |
---|
| 1346 | Volume *volume = itr->second; |
---|
| 1347 | if (xMin > volume->xAxis.min()) { |
---|
| 1348 | xMin = volume->xAxis.min(); |
---|
[1089] | 1349 | } |
---|
[3567] | 1350 | if (xMax < volume->xAxis.max()) { |
---|
| 1351 | xMax = volume->xAxis.max(); |
---|
[1089] | 1352 | } |
---|
[3567] | 1353 | if (yMin > volume->yAxis.min()) { |
---|
| 1354 | yMin = volume->yAxis.min(); |
---|
[1089] | 1355 | } |
---|
[3567] | 1356 | if (yMax < volume->yAxis.max()) { |
---|
| 1357 | yMax = volume->yAxis.max(); |
---|
[1089] | 1358 | } |
---|
[3567] | 1359 | if (zMin > volume->zAxis.min()) { |
---|
| 1360 | zMin = volume->zAxis.min(); |
---|
[1089] | 1361 | } |
---|
[3567] | 1362 | if (zMax < volume->zAxis.max()) { |
---|
| 1363 | zMax = volume->zAxis.max(); |
---|
[1089] | 1364 | } |
---|
[3567] | 1365 | if (wMin > volume->wAxis.min()) { |
---|
| 1366 | wMin = volume->wAxis.min(); |
---|
[1089] | 1367 | } |
---|
[3567] | 1368 | if (wMax < volume->wAxis.max()) { |
---|
| 1369 | wMax = volume->wAxis.max(); |
---|
[1089] | 1370 | } |
---|
[932] | 1371 | } |
---|
| 1372 | if ((xMin < DBL_MAX) && (xMax > -DBL_MAX)) { |
---|
[2923] | 1373 | grid->xAxis.setScale(xMin, xMax); |
---|
[932] | 1374 | } |
---|
| 1375 | if ((yMin < DBL_MAX) && (yMax > -DBL_MAX)) { |
---|
[2923] | 1376 | grid->yAxis.setScale(yMin, yMax); |
---|
[932] | 1377 | } |
---|
| 1378 | if ((zMin < DBL_MAX) && (zMax > -DBL_MAX)) { |
---|
[2923] | 1379 | grid->zAxis.setScale(zMin, zMax); |
---|
[932] | 1380 | } |
---|
| 1381 | if ((wMin < DBL_MAX) && (wMax > -DBL_MAX)) { |
---|
[1089] | 1382 | Volume::valueMin = wMin; |
---|
| 1383 | Volume::valueMax = wMax; |
---|
[932] | 1384 | } |
---|
[2877] | 1385 | Volume::updatePending = false; |
---|
[3453] | 1386 | TRACE("Leave"); |
---|
[932] | 1387 | } |
---|
| 1388 | |
---|
| 1389 | void |
---|
[2877] | 1390 | NanoVis::setHeightmapRanges() |
---|
[932] | 1391 | { |
---|
| 1392 | double xMin, xMax, yMin, yMax, zMin, zMax, wMin, wMax; |
---|
[1089] | 1393 | |
---|
[3453] | 1394 | TRACE("Enter"); |
---|
[2863] | 1395 | xMin = yMin = zMin = wMin = DBL_MAX; |
---|
| 1396 | xMax = yMax = zMax = wMax = -DBL_MAX; |
---|
[3567] | 1397 | HeightMapHashmap::iterator itr; |
---|
| 1398 | for (itr = heightMapTable.begin(); |
---|
| 1399 | itr != heightMapTable.end(); ++itr) { |
---|
| 1400 | HeightMap *heightMap = itr->second; |
---|
| 1401 | if (xMin > heightMap->xAxis.min()) { |
---|
| 1402 | xMin = heightMap->xAxis.min(); |
---|
[1089] | 1403 | } |
---|
[3567] | 1404 | if (xMax < heightMap->xAxis.max()) { |
---|
| 1405 | xMax = heightMap->xAxis.max(); |
---|
[1089] | 1406 | } |
---|
[3567] | 1407 | if (yMin > heightMap->yAxis.min()) { |
---|
| 1408 | yMin = heightMap->yAxis.min(); |
---|
[1089] | 1409 | } |
---|
[3567] | 1410 | if (yMax < heightMap->yAxis.max()) { |
---|
| 1411 | yMax = heightMap->yAxis.max(); |
---|
[1089] | 1412 | } |
---|
[3567] | 1413 | if (zMin > heightMap->zAxis.min()) { |
---|
| 1414 | zMin = heightMap->zAxis.min(); |
---|
[1089] | 1415 | } |
---|
[3567] | 1416 | if (zMax < heightMap->zAxis.max()) { |
---|
| 1417 | zMax = heightMap->zAxis.max(); |
---|
[1089] | 1418 | } |
---|
[3567] | 1419 | if (wMin > heightMap->wAxis.min()) { |
---|
| 1420 | wMin = heightMap->wAxis.min(); |
---|
[1089] | 1421 | } |
---|
[3567] | 1422 | if (wMax < heightMap->wAxis.max()) { |
---|
| 1423 | wMax = heightMap->wAxis.max(); |
---|
[1089] | 1424 | } |
---|
[932] | 1425 | } |
---|
| 1426 | if ((xMin < DBL_MAX) && (xMax > -DBL_MAX)) { |
---|
[2923] | 1427 | grid->xAxis.setScale(xMin, xMax); |
---|
[932] | 1428 | } |
---|
| 1429 | if ((yMin < DBL_MAX) && (yMax > -DBL_MAX)) { |
---|
[2923] | 1430 | grid->yAxis.setScale(yMin, yMax); |
---|
[932] | 1431 | } |
---|
| 1432 | if ((zMin < DBL_MAX) && (zMax > -DBL_MAX)) { |
---|
[2923] | 1433 | grid->zAxis.setScale(zMin, zMax); |
---|
[932] | 1434 | } |
---|
| 1435 | if ((wMin < DBL_MAX) && (wMax > -DBL_MAX)) { |
---|
[1111] | 1436 | HeightMap::valueMin = grid->yAxis.min(); |
---|
| 1437 | HeightMap::valueMax = grid->yAxis.max(); |
---|
[932] | 1438 | } |
---|
[3567] | 1439 | for (HeightMapHashmap::iterator itr = heightMapTable.begin(); |
---|
| 1440 | itr != heightMapTable.end(); ++itr) { |
---|
| 1441 | itr->second->mapToGrid(grid); |
---|
[1111] | 1442 | } |
---|
[2877] | 1443 | HeightMap::updatePending = false; |
---|
[3453] | 1444 | TRACE("Leave"); |
---|
[932] | 1445 | } |
---|
| 1446 | |
---|
[1089] | 1447 | void |
---|
[3492] | 1448 | NanoVis::collectBounds(bool onlyVisible) |
---|
| 1449 | { |
---|
| 1450 | if (flags & MAP_FLOWS) { |
---|
[3566] | 1451 | mapFlows(); |
---|
[3492] | 1452 | grid->xAxis.setScale(xMin, xMax); |
---|
| 1453 | grid->yAxis.setScale(yMin, yMax); |
---|
| 1454 | grid->zAxis.setScale(zMin, zMax); |
---|
| 1455 | } |
---|
| 1456 | |
---|
| 1457 | sceneMin.set(FLT_MAX, FLT_MAX, FLT_MAX); |
---|
| 1458 | sceneMax.set(-FLT_MAX, -FLT_MAX, -FLT_MAX); |
---|
| 1459 | |
---|
[3567] | 1460 | for (VolumeHashmap::iterator itr = volumeTable.begin(); |
---|
| 1461 | itr != volumeTable.end(); ++itr) { |
---|
| 1462 | Volume *volume = itr->second; |
---|
[3492] | 1463 | |
---|
[3567] | 1464 | if (onlyVisible && !volume->visible()) |
---|
[3492] | 1465 | continue; |
---|
| 1466 | |
---|
[4612] | 1467 | Vector3f bmin, bmax; |
---|
[3567] | 1468 | volume->getWorldSpaceBounds(bmin, bmax); |
---|
[3492] | 1469 | if (bmin.x > bmax.x) |
---|
| 1470 | continue; |
---|
| 1471 | |
---|
| 1472 | if (sceneMin.x > bmin.x) { |
---|
| 1473 | sceneMin.x = bmin.x; |
---|
| 1474 | } |
---|
| 1475 | if (sceneMax.x < bmax.x) { |
---|
| 1476 | sceneMax.x = bmax.x; |
---|
| 1477 | } |
---|
| 1478 | if (sceneMin.y > bmin.y) { |
---|
| 1479 | sceneMin.y = bmin.y; |
---|
| 1480 | } |
---|
| 1481 | if (sceneMax.y < bmax.y) { |
---|
| 1482 | sceneMax.y = bmax.y; |
---|
| 1483 | } |
---|
| 1484 | if (sceneMin.z > bmin.z) { |
---|
| 1485 | sceneMin.z = bmin.z; |
---|
| 1486 | } |
---|
| 1487 | if (sceneMax.z < bmax.z) { |
---|
| 1488 | sceneMax.z = bmax.z; |
---|
| 1489 | } |
---|
| 1490 | } |
---|
| 1491 | |
---|
[3567] | 1492 | for (HeightMapHashmap::iterator itr = heightMapTable.begin(); |
---|
| 1493 | itr != heightMapTable.end(); ++itr) { |
---|
| 1494 | HeightMap *heightMap = itr->second; |
---|
[3492] | 1495 | |
---|
| 1496 | if (onlyVisible && !heightMap->isVisible()) |
---|
| 1497 | continue; |
---|
| 1498 | |
---|
[4612] | 1499 | Vector3f bmin, bmax; |
---|
[3492] | 1500 | heightMap->getWorldSpaceBounds(bmin, bmax); |
---|
| 1501 | if (bmin.x > bmax.x) |
---|
| 1502 | continue; |
---|
| 1503 | |
---|
| 1504 | if (sceneMin.x > bmin.x) { |
---|
| 1505 | sceneMin.x = bmin.x; |
---|
| 1506 | } |
---|
| 1507 | if (sceneMax.x < bmax.x) { |
---|
| 1508 | sceneMax.x = bmax.x; |
---|
| 1509 | } |
---|
| 1510 | if (sceneMin.y > bmin.y) { |
---|
| 1511 | sceneMin.y = bmin.y; |
---|
| 1512 | } |
---|
| 1513 | if (sceneMax.y < bmax.y) { |
---|
| 1514 | sceneMax.y = bmax.y; |
---|
| 1515 | } |
---|
| 1516 | if (sceneMin.z > bmin.z) { |
---|
| 1517 | sceneMin.z = bmin.z; |
---|
| 1518 | } |
---|
| 1519 | if (sceneMax.z < bmax.z) { |
---|
| 1520 | sceneMax.z = bmax.z; |
---|
| 1521 | } |
---|
| 1522 | } |
---|
| 1523 | |
---|
[4612] | 1524 | Vector3f flowMin, flowMax; |
---|
[3566] | 1525 | getFlowBounds(flowMin, flowMax, onlyVisible); |
---|
[3492] | 1526 | if (flowMin.x < flowMax.x) { |
---|
| 1527 | if (sceneMin.x > flowMin.x) { |
---|
| 1528 | sceneMin.x = flowMin.x; |
---|
| 1529 | } |
---|
| 1530 | if (sceneMax.x < flowMax.x) { |
---|
| 1531 | sceneMax.x = flowMax.x; |
---|
| 1532 | } |
---|
| 1533 | if (sceneMin.y > flowMin.y) { |
---|
| 1534 | sceneMin.y = flowMin.y; |
---|
| 1535 | } |
---|
| 1536 | if (sceneMax.y < flowMax.y) { |
---|
| 1537 | sceneMax.y = flowMax.y; |
---|
| 1538 | } |
---|
| 1539 | if (sceneMin.z > flowMin.z) { |
---|
| 1540 | sceneMin.z = flowMin.z; |
---|
| 1541 | } |
---|
| 1542 | if (sceneMax.z < flowMax.z) { |
---|
| 1543 | sceneMax.z = flowMax.z; |
---|
| 1544 | } |
---|
| 1545 | } |
---|
| 1546 | |
---|
| 1547 | // TODO: Get Grid bounds |
---|
| 1548 | |
---|
| 1549 | if (sceneMin.x > sceneMax.x) { |
---|
| 1550 | sceneMin.set(-0.5, -0.5, -0.5); |
---|
| 1551 | sceneMax.set( 0.5, 0.5, 0.5); |
---|
| 1552 | } |
---|
| 1553 | |
---|
| 1554 | TRACE("Scene bounds: (%g,%g,%g) - (%g,%g,%g)", |
---|
| 1555 | sceneMin.x, sceneMin.y, sceneMin.z, |
---|
| 1556 | sceneMax.x, sceneMax.y, sceneMax.z); |
---|
| 1557 | } |
---|
| 1558 | |
---|
| 1559 | void |
---|
[3478] | 1560 | NanoVis::setBgColor(float color[3]) |
---|
| 1561 | { |
---|
| 1562 | TRACE("Setting bgcolor to %g %g %g", color[0], color[1], color[2]); |
---|
| 1563 | glClearColor(color[0], color[1], color[2], 1); |
---|
| 1564 | } |
---|
| 1565 | |
---|
[4612] | 1566 | Flow * |
---|
| 1567 | NanoVis::getFlow(const char *name) |
---|
| 1568 | { |
---|
| 1569 | FlowHashmap::iterator itr = flowTable.find(name); |
---|
| 1570 | if (itr == flowTable.end()) { |
---|
| 1571 | TRACE("Can't find flow '%s'", name); |
---|
| 1572 | return NULL; |
---|
| 1573 | } |
---|
| 1574 | return itr->second; |
---|
| 1575 | } |
---|
| 1576 | |
---|
| 1577 | Flow * |
---|
| 1578 | NanoVis::createFlow(Tcl_Interp *interp, const char *name) |
---|
| 1579 | { |
---|
| 1580 | FlowHashmap::iterator itr = flowTable.find(name); |
---|
| 1581 | if (itr != flowTable.end()) { |
---|
| 1582 | ERROR("Flow '%s' already exists", name); |
---|
| 1583 | return NULL; |
---|
| 1584 | } |
---|
| 1585 | Flow *flow = new Flow(interp, name); |
---|
| 1586 | flowTable[name] = flow; |
---|
| 1587 | return flow; |
---|
| 1588 | } |
---|
| 1589 | |
---|
| 1590 | /** |
---|
| 1591 | * \brief Delete flow object and hash table entry |
---|
| 1592 | * |
---|
| 1593 | * This is called by the flow command instance delete callback |
---|
| 1594 | */ |
---|
[3478] | 1595 | void |
---|
[4612] | 1596 | NanoVis::deleteFlow(const char *name) |
---|
| 1597 | { |
---|
| 1598 | FlowHashmap::iterator itr = flowTable.find(name); |
---|
| 1599 | if (itr != flowTable.end()) { |
---|
| 1600 | delete itr->second; |
---|
| 1601 | flowTable.erase(itr); |
---|
| 1602 | } |
---|
| 1603 | } |
---|
| 1604 | |
---|
| 1605 | /** |
---|
| 1606 | * \brief Delete all flow object commands |
---|
| 1607 | * |
---|
| 1608 | * This will also delete the flow objects and hash table entries |
---|
| 1609 | */ |
---|
| 1610 | void |
---|
| 1611 | NanoVis::deleteFlows(Tcl_Interp *interp) |
---|
| 1612 | { |
---|
| 1613 | FlowHashmap::iterator itr; |
---|
| 1614 | for (itr = flowTable.begin(); |
---|
| 1615 | itr != flowTable.end(); ++itr) { |
---|
| 1616 | Tcl_DeleteCommandFromToken(interp, itr->second->getCommandToken()); |
---|
| 1617 | } |
---|
| 1618 | flowTable.clear(); |
---|
| 1619 | } |
---|
| 1620 | |
---|
| 1621 | bool |
---|
| 1622 | NanoVis::mapFlows() |
---|
| 1623 | { |
---|
| 1624 | TRACE("Enter"); |
---|
| 1625 | |
---|
| 1626 | flags &= ~MAP_FLOWS; |
---|
| 1627 | |
---|
| 1628 | /* |
---|
| 1629 | * Step 1. Get the overall min and max magnitudes of all the |
---|
| 1630 | * flow vectors. |
---|
| 1631 | */ |
---|
| 1632 | magMin = DBL_MAX, magMax = -DBL_MAX; |
---|
| 1633 | |
---|
| 1634 | for (FlowHashmap::iterator itr = flowTable.begin(); |
---|
| 1635 | itr != flowTable.end(); ++itr) { |
---|
| 1636 | Flow *flow = itr->second; |
---|
| 1637 | double min, max; |
---|
| 1638 | if (!flow->isDataLoaded()) { |
---|
| 1639 | continue; |
---|
| 1640 | } |
---|
| 1641 | Rappture::Unirect3d *data = flow->data(); |
---|
| 1642 | min = data->magMin(); |
---|
| 1643 | max = data->magMax(); |
---|
| 1644 | if (min < magMin) { |
---|
| 1645 | magMin = min; |
---|
| 1646 | } |
---|
| 1647 | if (max > magMax) { |
---|
| 1648 | magMax = max; |
---|
| 1649 | } |
---|
| 1650 | if (data->xMin() < xMin) { |
---|
| 1651 | xMin = data->xMin(); |
---|
| 1652 | } |
---|
| 1653 | if (data->yMin() < yMin) { |
---|
| 1654 | yMin = data->yMin(); |
---|
| 1655 | } |
---|
| 1656 | if (data->zMin() < zMin) { |
---|
| 1657 | zMin = data->zMin(); |
---|
| 1658 | } |
---|
| 1659 | if (data->xMax() > xMax) { |
---|
| 1660 | xMax = data->xMax(); |
---|
| 1661 | } |
---|
| 1662 | if (data->yMax() > yMax) { |
---|
| 1663 | yMax = data->yMax(); |
---|
| 1664 | } |
---|
| 1665 | if (data->zMax() > zMax) { |
---|
| 1666 | zMax = data->zMax(); |
---|
| 1667 | } |
---|
| 1668 | } |
---|
| 1669 | |
---|
| 1670 | TRACE("magMin=%g magMax=%g", NanoVis::magMin, NanoVis::magMax); |
---|
| 1671 | |
---|
| 1672 | /* |
---|
| 1673 | * Step 2. Generate the vector field from each data set. |
---|
| 1674 | */ |
---|
| 1675 | for (FlowHashmap::iterator itr = flowTable.begin(); |
---|
| 1676 | itr != flowTable.end(); ++itr) { |
---|
| 1677 | Flow *flow = itr->second; |
---|
| 1678 | if (!flow->isDataLoaded()) { |
---|
| 1679 | continue; // Flow exists, but no data has been loaded yet. |
---|
| 1680 | } |
---|
| 1681 | if (flow->visible()) { |
---|
| 1682 | flow->initializeParticles(); |
---|
| 1683 | } |
---|
| 1684 | if (!flow->scaleVectorField()) { |
---|
| 1685 | return false; |
---|
| 1686 | } |
---|
| 1687 | // FIXME: This doesn't work when there is more than one flow. |
---|
| 1688 | licRenderer->setOffset(flow->getRelativePosition()); |
---|
| 1689 | velocityArrowsSlice->slicePos(flow->getRelativePosition()); |
---|
| 1690 | } |
---|
| 1691 | advectFlows(); |
---|
| 1692 | return true; |
---|
| 1693 | } |
---|
| 1694 | |
---|
| 1695 | void |
---|
| 1696 | NanoVis::getFlowBounds(Vector3f& min, |
---|
| 1697 | Vector3f& max, |
---|
| 1698 | bool onlyVisible) |
---|
| 1699 | { |
---|
| 1700 | TRACE("Enter"); |
---|
| 1701 | |
---|
| 1702 | min.set(FLT_MAX, FLT_MAX, FLT_MAX); |
---|
| 1703 | max.set(-FLT_MAX, -FLT_MAX, -FLT_MAX); |
---|
| 1704 | |
---|
| 1705 | for (FlowHashmap::iterator itr = flowTable.begin(); |
---|
| 1706 | itr != flowTable.end(); ++itr) { |
---|
| 1707 | itr->second->getBounds(min, max, onlyVisible); |
---|
| 1708 | } |
---|
| 1709 | } |
---|
| 1710 | |
---|
| 1711 | void |
---|
| 1712 | NanoVis::renderFlows() |
---|
| 1713 | { |
---|
| 1714 | for (FlowHashmap::iterator itr = flowTable.begin(); |
---|
| 1715 | itr != flowTable.end(); ++itr) { |
---|
| 1716 | Flow *flow = itr->second; |
---|
| 1717 | if (flow->isDataLoaded() && flow->visible()) { |
---|
| 1718 | flow->render(); |
---|
| 1719 | } |
---|
| 1720 | } |
---|
| 1721 | flags &= ~REDRAW_PENDING; |
---|
| 1722 | } |
---|
| 1723 | |
---|
| 1724 | void |
---|
| 1725 | NanoVis::resetFlows() |
---|
| 1726 | { |
---|
| 1727 | if (licRenderer->active()) { |
---|
| 1728 | NanoVis::licRenderer->reset(); |
---|
| 1729 | } |
---|
| 1730 | for (FlowHashmap::iterator itr = flowTable.begin(); |
---|
| 1731 | itr != flowTable.end(); ++itr) { |
---|
| 1732 | Flow *flow = itr->second; |
---|
| 1733 | if (flow->isDataLoaded() && flow->visible()) { |
---|
| 1734 | flow->resetParticles(); |
---|
| 1735 | } |
---|
| 1736 | } |
---|
| 1737 | } |
---|
| 1738 | |
---|
| 1739 | void |
---|
| 1740 | NanoVis::advectFlows() |
---|
| 1741 | { |
---|
| 1742 | for (FlowHashmap::iterator itr = flowTable.begin(); |
---|
| 1743 | itr != flowTable.end(); ++itr) { |
---|
| 1744 | Flow *flow = itr->second; |
---|
| 1745 | if (flow->isDataLoaded() && flow->visible()) { |
---|
| 1746 | flow->advect(); |
---|
| 1747 | } |
---|
| 1748 | } |
---|
| 1749 | } |
---|
| 1750 | |
---|
| 1751 | void |
---|
[3497] | 1752 | NanoVis::render() |
---|
[226] | 1753 | { |
---|
[3452] | 1754 | TRACE("Enter"); |
---|
| 1755 | |
---|
[3362] | 1756 | if (flags & MAP_FLOWS) { |
---|
[1510] | 1757 | #ifdef notdef |
---|
[2863] | 1758 | xMin = yMin = zMin = wMin = FLT_MAX, magMin = DBL_MAX; |
---|
| 1759 | xMax = yMax = zMax = wMax = -FLT_MAX, magMax = -DBL_MAX; |
---|
[1510] | 1760 | #endif |
---|
[3566] | 1761 | mapFlows(); |
---|
[2923] | 1762 | grid->xAxis.setScale(xMin, xMax); |
---|
| 1763 | grid->yAxis.setScale(yMin, yMax); |
---|
| 1764 | grid->zAxis.setScale(zMin, zMax); |
---|
[1431] | 1765 | } |
---|
[850] | 1766 | //assert(glGetError()==0); |
---|
[2877] | 1767 | if (HeightMap::updatePending) { |
---|
| 1768 | setHeightmapRanges(); |
---|
[932] | 1769 | } |
---|
[2877] | 1770 | if (Volume::updatePending) { |
---|
| 1771 | setVolumeRanges(); |
---|
[932] | 1772 | } |
---|
[2930] | 1773 | |
---|
| 1774 | //start final rendering |
---|
| 1775 | |
---|
| 1776 | // Need to reset fbo since it may have been changed to default (0) |
---|
| 1777 | bindOffscreenBuffer(); |
---|
| 1778 | |
---|
[4612] | 1779 | //clear screen |
---|
| 1780 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
---|
[226] | 1781 | |
---|
[3567] | 1782 | glEnable(GL_DEPTH_TEST); |
---|
| 1783 | glEnable(GL_COLOR_MATERIAL); |
---|
[1028] | 1784 | |
---|
[3567] | 1785 | //camera setting activated |
---|
| 1786 | cam->initialize(); |
---|
[1089] | 1787 | |
---|
[3567] | 1788 | //set up the orientation of items in the scene. |
---|
| 1789 | glPushMatrix(); |
---|
[2863] | 1790 | |
---|
[3567] | 1791 | switch (updir) { |
---|
| 1792 | case X_POS: |
---|
| 1793 | glRotatef(90, 0, 0, 1); |
---|
| 1794 | glRotatef(90, 1, 0, 0); |
---|
| 1795 | break; |
---|
| 1796 | case Y_POS: |
---|
| 1797 | // this is the default |
---|
| 1798 | break; |
---|
| 1799 | case Z_POS: |
---|
| 1800 | glRotatef(-90, 1, 0, 0); |
---|
| 1801 | glRotatef(-90, 0, 0, 1); |
---|
| 1802 | break; |
---|
| 1803 | case X_NEG: |
---|
| 1804 | glRotatef(-90, 0, 0, 1); |
---|
| 1805 | break; |
---|
| 1806 | case Y_NEG: |
---|
| 1807 | glRotatef(180, 0, 0, 1); |
---|
| 1808 | glRotatef(-90, 0, 1, 0); |
---|
| 1809 | break; |
---|
| 1810 | case Z_NEG: |
---|
| 1811 | glRotatef(90, 1, 0, 0); |
---|
| 1812 | break; |
---|
| 1813 | } |
---|
[1089] | 1814 | |
---|
[3567] | 1815 | //now render things in the scene |
---|
| 1816 | if (axisOn) { |
---|
| 1817 | draw3dAxis(); |
---|
| 1818 | } |
---|
| 1819 | if (grid->isVisible()) { |
---|
| 1820 | grid->render(); |
---|
| 1821 | } |
---|
| 1822 | if ((licRenderer != NULL) && (licRenderer->active())) { |
---|
| 1823 | licRenderer->render(); |
---|
| 1824 | } |
---|
| 1825 | if ((velocityArrowsSlice != NULL) && (velocityArrowsSlice->enabled())) { |
---|
| 1826 | velocityArrowsSlice->render(); |
---|
| 1827 | } |
---|
| 1828 | if (!flowTable.empty()) { |
---|
| 1829 | renderFlows(); |
---|
| 1830 | } |
---|
[1370] | 1831 | |
---|
[3567] | 1832 | volRenderer->renderAll(); |
---|
[1089] | 1833 | |
---|
[3567] | 1834 | TRACE("Render heightmaps"); |
---|
| 1835 | HeightMapHashmap::iterator itr; |
---|
| 1836 | for (itr = heightMapTable.begin(); |
---|
| 1837 | itr != heightMapTable.end(); ++itr) { |
---|
| 1838 | HeightMap *heightMap = itr->second; |
---|
| 1839 | if (heightMap->isVisible()) { |
---|
| 1840 | heightMap->render(renderContext); |
---|
[776] | 1841 | } |
---|
[834] | 1842 | } |
---|
[3567] | 1843 | glPopMatrix(); |
---|
[2831] | 1844 | |
---|
[1984] | 1845 | CHECK_FRAMEBUFFER_STATUS(); |
---|
[3452] | 1846 | TRACE("Leave"); |
---|
[226] | 1847 | } |
---|
| 1848 | |
---|
[835] | 1849 | void |
---|
[3452] | 1850 | NanoVis::processCommands() |
---|
[834] | 1851 | { |
---|
[2930] | 1852 | flags &= ~REDRAW_PENDING; |
---|
[1984] | 1853 | |
---|
[3452] | 1854 | TRACE("Enter"); |
---|
[2392] | 1855 | |
---|
[1161] | 1856 | int flags = fcntl(0, F_GETFL, 0); |
---|
| 1857 | fcntl(0, F_SETFL, flags & ~O_NONBLOCK); |
---|
| 1858 | |
---|
| 1859 | int status = TCL_OK; |
---|
| 1860 | |
---|
| 1861 | // Read and execute as many commands as we can from stdin... |
---|
[2951] | 1862 | Tcl_DString cmdbuffer; |
---|
| 1863 | Tcl_DStringInit(&cmdbuffer); |
---|
[1984] | 1864 | int nCommands = 0; |
---|
[1249] | 1865 | bool isComplete = false; |
---|
[1429] | 1866 | while ((!feof(NanoVis::stdin)) && (status == TCL_OK)) { |
---|
[1161] | 1867 | // |
---|
| 1868 | // Read the next command from the buffer. First time through we |
---|
| 1869 | // block here and wait if necessary until a command comes in. |
---|
| 1870 | // |
---|
| 1871 | // BE CAREFUL: Read only one command, up to a newline. The "volume |
---|
| 1872 | // data follows" command needs to be able to read the data |
---|
| 1873 | // immediately following the command, and we shouldn't consume it |
---|
| 1874 | // here. |
---|
| 1875 | // |
---|
[1195] | 1876 | while (!feof(NanoVis::stdin)) { |
---|
[1161] | 1877 | int c = fgetc(NanoVis::stdin); |
---|
[1282] | 1878 | char ch; |
---|
[1161] | 1879 | if (c <= 0) { |
---|
[1282] | 1880 | if (errno == EWOULDBLOCK) { |
---|
| 1881 | break; |
---|
| 1882 | } |
---|
[3453] | 1883 | exitService(100); |
---|
[1161] | 1884 | } |
---|
[1282] | 1885 | ch = (char)c; |
---|
[1161] | 1886 | Tcl_DStringAppend(&cmdbuffer, &ch, 1); |
---|
[1249] | 1887 | if (ch == '\n') { |
---|
[1282] | 1888 | isComplete = Tcl_CommandComplete(Tcl_DStringValue(&cmdbuffer)); |
---|
| 1889 | if (isComplete) { |
---|
| 1890 | break; |
---|
| 1891 | } |
---|
[1161] | 1892 | } |
---|
| 1893 | } |
---|
| 1894 | // no command? then we're done for now |
---|
| 1895 | if (Tcl_DStringLength(&cmdbuffer) == 0) { |
---|
| 1896 | break; |
---|
| 1897 | } |
---|
[1282] | 1898 | if (isComplete) { |
---|
| 1899 | // back to original flags during command evaluation... |
---|
| 1900 | fcntl(0, F_SETFL, flags & ~O_NONBLOCK); |
---|
[2877] | 1901 | status = executeCommand(interp, &cmdbuffer); |
---|
[1282] | 1902 | // non-blocking for next read -- we might not get anything |
---|
| 1903 | fcntl(0, F_SETFL, flags | O_NONBLOCK); |
---|
| 1904 | isComplete = false; |
---|
[2827] | 1905 | nCommands++; |
---|
| 1906 | CHECK_FRAMEBUFFER_STATUS(); |
---|
[1282] | 1907 | } |
---|
[1161] | 1908 | } |
---|
| 1909 | fcntl(0, F_SETFL, flags); |
---|
| 1910 | |
---|
| 1911 | if (status != TCL_OK) { |
---|
[3330] | 1912 | char *msg; |
---|
| 1913 | char hdr[200]; |
---|
| 1914 | int msgSize, hdrSize; |
---|
| 1915 | Tcl_Obj *objPtr; |
---|
[1161] | 1916 | |
---|
[3330] | 1917 | objPtr = Tcl_GetObjResult(interp); |
---|
| 1918 | msg = Tcl_GetStringFromObj(objPtr, &msgSize); |
---|
[3408] | 1919 | hdrSize = sprintf(hdr, "nv>viserror -type internal_error -bytes %d\n", msgSize); |
---|
[3330] | 1920 | { |
---|
[3362] | 1921 | struct iovec iov[2]; |
---|
[3330] | 1922 | |
---|
| 1923 | iov[0].iov_base = hdr; |
---|
| 1924 | iov[0].iov_len = hdrSize; |
---|
| 1925 | iov[1].iov_base = msg; |
---|
| 1926 | iov[1].iov_len = msgSize; |
---|
[3362] | 1927 | if (writev(1, iov, 2) < 0) { |
---|
[3452] | 1928 | ERROR("write failed: %s", strerror(errno)); |
---|
[3330] | 1929 | } |
---|
[2863] | 1930 | } |
---|
[3452] | 1931 | TRACE("Leaving on ERROR"); |
---|
[1161] | 1932 | return; |
---|
| 1933 | } |
---|
[2378] | 1934 | if (feof(NanoVis::stdin)) { |
---|
[3459] | 1935 | TRACE("Exiting server on EOF from client"); |
---|
[3453] | 1936 | exitService(90); |
---|
[2378] | 1937 | } |
---|
[1161] | 1938 | |
---|
[2930] | 1939 | update(); |
---|
[1161] | 1940 | |
---|
[2930] | 1941 | bindOffscreenBuffer(); //enable offscreen render |
---|
[3497] | 1942 | render(); |
---|
[2930] | 1943 | readScreen(); |
---|
[1161] | 1944 | |
---|
[2392] | 1945 | if (feof(NanoVis::stdin)) { |
---|
[3453] | 1946 | exitService(90); |
---|
[2392] | 1947 | } |
---|
[4612] | 1948 | |
---|
[3362] | 1949 | ppmWrite("nv>image -type image -bytes"); |
---|
[4612] | 1950 | |
---|
[3452] | 1951 | TRACE("Leave"); |
---|
[776] | 1952 | } |
---|
[383] | 1953 | |
---|
[835] | 1954 | int |
---|
[2378] | 1955 | main(int argc, char **argv) |
---|
[755] | 1956 | { |
---|
[1111] | 1957 | const char *path; |
---|
| 1958 | char *newPath; |
---|
[2827] | 1959 | |
---|
[1111] | 1960 | newPath = NULL; |
---|
[834] | 1961 | path = NULL; |
---|
[1111] | 1962 | NanoVis::stdin = stdin; |
---|
[1161] | 1963 | |
---|
[3377] | 1964 | fprintf(stdout, "NanoVis %s (build %s)\n", NANOVIS_VERSION, SVN_VERSION); |
---|
[2381] | 1965 | fflush(stdout); |
---|
| 1966 | |
---|
[2822] | 1967 | openlog("nanovis", LOG_CONS | LOG_PERROR | LOG_PID, LOG_USER); |
---|
[4802] | 1968 | memset(&NanoVis::stats, 0, sizeof(NanoVis::Stats)); |
---|
| 1969 | NanoVis::stats.pid = getpid(); |
---|
| 1970 | gettimeofday(&NanoVis::stats.start, NULL); |
---|
[1161] | 1971 | |
---|
[1192] | 1972 | /* Initialize GLUT here so it can parse and remove GLUT-specific |
---|
| 1973 | * command-line options before we parse the command-line below. */ |
---|
| 1974 | glutInit(&argc, argv); |
---|
| 1975 | glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA); |
---|
[2877] | 1976 | glutInitWindowSize(NanoVis::winWidth, NanoVis::winHeight); |
---|
[1192] | 1977 | glutInitWindowPosition(10, 10); |
---|
[2877] | 1978 | NanoVis::renderWindow = glutCreateWindow("nanovis"); |
---|
[1194] | 1979 | glutIdleFunc(NanoVis::idle); |
---|
| 1980 | |
---|
[3497] | 1981 | glutDisplayFunc(NanoVis::render); |
---|
[2877] | 1982 | glutReshapeFunc(NanoVis::resizeOffscreenBuffer); |
---|
[1192] | 1983 | |
---|
[1111] | 1984 | while (1) { |
---|
[1282] | 1985 | static struct option long_options[] = { |
---|
[2863] | 1986 | {"infile", required_argument, NULL, 0}, |
---|
| 1987 | {"path", required_argument, NULL, 2}, |
---|
| 1988 | {"debug", no_argument, NULL, 3}, |
---|
| 1989 | {"record", required_argument, NULL, 4}, |
---|
[1282] | 1990 | {0, 0, 0, 0} |
---|
| 1991 | }; |
---|
| 1992 | int option_index = 0; |
---|
| 1993 | int c; |
---|
[755] | 1994 | |
---|
[1282] | 1995 | c = getopt_long(argc, argv, ":dp:i:l:r:", long_options, &option_index); |
---|
[835] | 1996 | if (c == -1) { |
---|
[755] | 1997 | break; |
---|
[887] | 1998 | } |
---|
[1282] | 1999 | switch (c) { |
---|
| 2000 | case '?': |
---|
| 2001 | fprintf(stderr, "unknown option -%c\n", optopt); |
---|
| 2002 | return 1; |
---|
| 2003 | case ':': |
---|
| 2004 | if (optopt < 4) { |
---|
| 2005 | fprintf(stderr, "argument missing for --%s option\n", |
---|
[2863] | 2006 | long_options[optopt].name); |
---|
[1282] | 2007 | } else { |
---|
| 2008 | fprintf(stderr, "argument missing for -%c option\n", optopt); |
---|
| 2009 | } |
---|
| 2010 | return 1; |
---|
| 2011 | case 2: |
---|
| 2012 | case 'p': |
---|
[887] | 2013 | path = optarg; |
---|
[1282] | 2014 | break; |
---|
| 2015 | case 3: |
---|
| 2016 | case 'd': |
---|
[2877] | 2017 | NanoVis::debugFlag = true; |
---|
[1282] | 2018 | break; |
---|
| 2019 | case 0: |
---|
| 2020 | case 'i': |
---|
| 2021 | NanoVis::stdin = fopen(optarg, "r"); |
---|
| 2022 | if (NanoVis::stdin == NULL) { |
---|
| 2023 | perror(optarg); |
---|
| 2024 | return 2; |
---|
| 2025 | } |
---|
| 2026 | break; |
---|
| 2027 | case 4: |
---|
| 2028 | case 'r': |
---|
| 2029 | Tcl_DString ds; |
---|
| 2030 | char buf[200]; |
---|
[1182] | 2031 | |
---|
[1282] | 2032 | Tcl_DStringInit(&ds); |
---|
| 2033 | Tcl_DStringAppend(&ds, optarg, -1); |
---|
| 2034 | sprintf(buf, ".%d", getpid()); |
---|
| 2035 | Tcl_DStringAppend(&ds, buf, -1); |
---|
| 2036 | NanoVis::recfile = fopen(Tcl_DStringValue(&ds), "w"); |
---|
| 2037 | if (NanoVis::recfile == NULL) { |
---|
| 2038 | perror(optarg); |
---|
| 2039 | return 2; |
---|
| 2040 | } |
---|
| 2041 | break; |
---|
| 2042 | default: |
---|
[1111] | 2043 | fprintf(stderr,"unknown option '%c'.\n", c); |
---|
[887] | 2044 | return 1; |
---|
[755] | 2045 | } |
---|
[1111] | 2046 | } |
---|
| 2047 | if (path == NULL) { |
---|
[1282] | 2048 | char *p; |
---|
[1111] | 2049 | |
---|
[1282] | 2050 | // See if we can derive the path from the location of the program. |
---|
| 2051 | // Assume program is in the form <path>/bin/nanovis. |
---|
| 2052 | path = argv[0]; |
---|
[1571] | 2053 | p = strrchr((char *)path, '/'); |
---|
[1282] | 2054 | if (p != NULL) { |
---|
| 2055 | *p = '\0'; |
---|
[1571] | 2056 | p = strrchr((char *)path, '/'); |
---|
[1282] | 2057 | } |
---|
| 2058 | if (p == NULL) { |
---|
[3452] | 2059 | TRACE("path not specified"); |
---|
[1282] | 2060 | return 1; |
---|
| 2061 | } |
---|
| 2062 | *p = '\0'; |
---|
| 2063 | newPath = new char[(strlen(path) + 15) * 2 + 1]; |
---|
| 2064 | sprintf(newPath, "%s/lib/shaders:%s/lib/resources", path, path); |
---|
| 2065 | path = newPath; |
---|
[755] | 2066 | } |
---|
[2377] | 2067 | |
---|
[3463] | 2068 | FilePath::getInstance()->setWorkingDirectory(argc, (const char**) argv); |
---|
[1089] | 2069 | |
---|
[2374] | 2070 | #ifdef notdef |
---|
[2392] | 2071 | signal(SIGPIPE, SIG_IGN); |
---|
[2374] | 2072 | #endif |
---|
[3453] | 2073 | initService(); |
---|
[1089] | 2074 | |
---|
[848] | 2075 | NanoVis::init(path); |
---|
[1111] | 2076 | if (newPath != NULL) { |
---|
[1282] | 2077 | delete [] newPath; |
---|
[1111] | 2078 | } |
---|
[835] | 2079 | NanoVis::initGL(); |
---|
[3453] | 2080 | |
---|
[1161] | 2081 | NanoVis::interp = initTcl(); |
---|
[3453] | 2082 | |
---|
[2877] | 2083 | NanoVis::resizeOffscreenBuffer(NanoVis::winWidth, NanoVis::winHeight); |
---|
[1299] | 2084 | |
---|
[587] | 2085 | glutMainLoop(); |
---|
[3453] | 2086 | |
---|
| 2087 | exitService(80); |
---|
[226] | 2088 | } |
---|
[834] | 2089 | |
---|
[1478] | 2090 | void |
---|
[3567] | 2091 | NanoVis::removeVolume(Volume *volume) |
---|
[1475] | 2092 | { |
---|
[3567] | 2093 | VolumeHashmap::iterator itr = volumeTable.find(volume->name()); |
---|
| 2094 | if (itr != volumeTable.end()) { |
---|
| 2095 | volumeTable.erase(itr); |
---|
[1475] | 2096 | } |
---|
[3567] | 2097 | delete volume; |
---|
[1475] | 2098 | } |
---|