[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.h: package header |
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| 5 | * |
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| 6 | * ====================================================================== |
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| 7 | * AUTHOR: Wei Qiao <qiaow@purdue.edu> |
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| 8 | * Purdue Rendering and Perceptualization Lab (PURPL) |
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| 9 | * |
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[3177] | 10 | * Copyright (c) 2004-2012 HUBzero Foundation, LLC |
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[226] | 11 | * |
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| 12 | * See the file "license.terms" for information on usage and |
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| 13 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 14 | * ====================================================================== |
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| 15 | */ |
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[2831] | 16 | #ifndef NANOVIS_H |
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| 17 | #define NANOVIS_H |
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[259] | 18 | |
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[850] | 19 | #include <tcl.h> |
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[3377] | 20 | #include <md5.h> |
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[226] | 21 | #include <GL/glew.h> |
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[2831] | 22 | |
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[226] | 23 | #include <math.h> |
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[2831] | 24 | #include <stddef.h> // For size_t |
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[226] | 25 | #include <stdio.h> |
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| 26 | |
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[2831] | 27 | #include <vector> |
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| 28 | #include <iostream> |
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| 29 | |
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[2818] | 30 | #include <rappture.h> |
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| 31 | |
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[251] | 32 | #include "config.h" |
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[226] | 33 | |
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[3362] | 34 | #define NANOVIS_VERSION "1.1" |
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[251] | 35 | |
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[226] | 36 | //defines for the image based flow visualization |
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| 37 | #define NMESH 256 //resolution of flow mesh |
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| 38 | #define NPIX 512 //display size |
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| 39 | |
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[3463] | 40 | namespace nv { |
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[2831] | 41 | namespace graphics { |
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| 42 | class RenderContext; |
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| 43 | } |
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[3463] | 44 | namespace util { |
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| 45 | class Fonts; |
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| 46 | } |
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| 47 | } |
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[2831] | 48 | |
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| 49 | class VolumeRenderer; |
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| 50 | class PointSetRenderer; |
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| 51 | class NvParticleRenderer; |
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| 52 | class NvFlowVisRenderer; |
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| 53 | class PlaneRenderer; |
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| 54 | class VelocityArrowsSlice; |
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| 55 | class NvLIC; |
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| 56 | class PointSet; |
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| 57 | class Texture2D; |
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| 58 | class NvColorTableRenderer; |
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| 59 | class HeightMap; |
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[1370] | 60 | class NvVectorField; |
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[2831] | 61 | class Grid; |
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| 62 | class NvCamera; |
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| 63 | class TransferFunction; |
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| 64 | class Volume; |
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| 65 | class FlowCmd; |
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| 66 | class FlowIterator; |
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[1370] | 67 | |
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[2822] | 68 | class NanoVis |
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| 69 | { |
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[2831] | 70 | public: |
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| 71 | enum NanoVisFlags { |
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| 72 | REDRAW_PENDING = (1 << 0), |
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| 73 | MAP_FLOWS = (1 << 1), |
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| 74 | MAP_VOLUMES = (1 << 2), |
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| 75 | MAP_HEIGHTMAPS = (1 << 3), |
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| 76 | }; |
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[2822] | 77 | |
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[3452] | 78 | static void processCommands(); |
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[2831] | 79 | static void init(const char *path); |
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| 80 | static void initGL(); |
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[2877] | 81 | static void initOffscreenBuffer(); |
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| 82 | static void resizeOffscreenBuffer(int w, int h); |
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[2847] | 83 | static void display(); |
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[2951] | 84 | static void draw3dAxis(); |
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[2847] | 85 | static void idle(); |
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| 86 | static void update(); |
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[2951] | 87 | static void removeAllData(); |
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[2930] | 88 | |
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[3362] | 89 | static const NvCamera *getCamera() |
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| 90 | { |
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| 91 | return cam; |
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| 92 | } |
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[2847] | 93 | static void pan(float dx, float dy); |
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| 94 | static void zoom(float z); |
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[1299] | 95 | |
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[2877] | 96 | static void eventuallyRedraw(unsigned int flag = 0); |
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[2847] | 97 | |
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[2877] | 98 | static void setVolumeRanges(); |
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| 99 | static void setHeightmapRanges(); |
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[3362] | 100 | |
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| 101 | #ifdef KEEPSTATS |
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[3377] | 102 | static int getStatsFile(Tcl_Obj *objPtr); |
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| 103 | static int writeToStatsFile(int f, const char *s, size_t length); |
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[2951] | 104 | #endif |
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[2877] | 105 | static void ppmWrite(const char *prefix); |
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[1295] | 106 | static void sendDataToClient(const char *command, const char *data, |
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[2831] | 107 | size_t dlen); |
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[2877] | 108 | static void bmpWrite(const char *prefix); |
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| 109 | static void bmpWriteToFile(int frame_number, const char* directory_name); |
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[2847] | 110 | |
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[2877] | 111 | static TransferFunction *getTransfunc(const char *name); |
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| 112 | static TransferFunction *defineTransferFunction(const char *name, |
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[2847] | 113 | size_t n, float *data); |
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| 114 | |
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[2877] | 115 | static int renderLegend(TransferFunction *tf, double min, double max, |
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| 116 | int width, int height, const char *volArg); |
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[2847] | 117 | |
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[2877] | 118 | static Volume *loadVolume(const char *tag, int width, int height, int depth, |
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| 119 | int n, float* data, double vmin, double vmax, |
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| 120 | double nonZeroMin); |
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[1156] | 121 | |
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[2877] | 122 | static void removeVolume(Volume *volPtr); |
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| 123 | |
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| 124 | static void readScreen() |
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[2822] | 125 | { |
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[2877] | 126 | glReadPixels(0, 0, winWidth, winHeight, GL_RGB, GL_UNSIGNED_BYTE, |
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| 127 | screenBuffer); |
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[1028] | 128 | } |
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[2930] | 129 | static void bindOffscreenBuffer() |
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[2822] | 130 | { |
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[2877] | 131 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, _finalFbo); |
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[1028] | 132 | } |
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[1431] | 133 | |
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| 134 | static FlowCmd *FirstFlow(FlowIterator *iterPtr); |
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| 135 | static FlowCmd *NextFlow(FlowIterator *iterPtr); |
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[2831] | 136 | static void InitFlows(); |
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| 137 | static int GetFlow(Tcl_Interp *interp, Tcl_Obj *objPtr, |
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| 138 | FlowCmd **flowPtrPtr); |
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[1431] | 139 | static int CreateFlow(Tcl_Interp *interp, Tcl_Obj *objPtr); |
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| 140 | static void DeleteFlows(Tcl_Interp *interp); |
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[2831] | 141 | static bool MapFlows(); |
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| 142 | static void RenderFlows(); |
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| 143 | static void ResetFlows(); |
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| 144 | static bool UpdateFlows(); |
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| 145 | static void AdvectFlows(); |
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| 146 | |
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[2846] | 147 | static FILE *stdin, *logfile, *recfile; |
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[3376] | 148 | static int statsFile; |
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[2846] | 149 | static unsigned int flags; |
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[2877] | 150 | static bool debugFlag; |
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| 151 | static bool axisOn; |
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| 152 | static int winWidth; //size of the render window |
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| 153 | static int winHeight; //size of the render window |
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| 154 | static int renderWindow; |
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| 155 | static unsigned char *screenBuffer; |
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[2951] | 156 | static Texture2D *legendTexture; |
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[2846] | 157 | static Grid *grid; |
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[3463] | 158 | static nv::util::Fonts *fonts; |
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[2846] | 159 | static int updir; |
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| 160 | static NvCamera *cam; |
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[3463] | 161 | static nv::graphics::RenderContext *renderContext; |
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[2846] | 162 | |
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[2951] | 163 | static Tcl_HashTable tfTable; |
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[2846] | 164 | static Tcl_HashTable volumeTable; |
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[2951] | 165 | static Tcl_HashTable flowTable; |
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| 166 | static Tcl_HashTable heightmapTable; |
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[2846] | 167 | |
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| 168 | static double magMin, magMax; |
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| 169 | static float xMin, xMax, yMin, yMax, zMin, zMax, wMin, wMax; |
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| 170 | |
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[2951] | 171 | static NvColorTableRenderer *colorTableRenderer; |
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[2877] | 172 | static VolumeRenderer *volRenderer; |
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[2951] | 173 | #ifdef notdef |
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[2846] | 174 | static NvFlowVisRenderer *flowVisRenderer; |
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[2951] | 175 | #endif |
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[2846] | 176 | static VelocityArrowsSlice *velocityArrowsSlice; |
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| 177 | static NvLIC *licRenderer; |
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[2877] | 178 | static PlaneRenderer *planeRenderer; |
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[2846] | 179 | #if PLANE_CMD |
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[2930] | 180 | static int numPlanes; |
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[3362] | 181 | static Texture2D *plane[]; ///< Pointers to 2D planes |
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[2846] | 182 | #endif |
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| 183 | #ifdef USE_POINTSET_RENDERER |
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[2877] | 184 | static PointSetRenderer *pointSetRenderer; |
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[2846] | 185 | static std::vector<PointSet *> pointSet; |
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| 186 | #endif |
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| 187 | |
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| 188 | static Tcl_Interp *interp; |
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[3330] | 189 | static struct timeval startTime; /* Start of elapsed time. */ |
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[2831] | 190 | private: |
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[3362] | 191 | static float _licSlice; ///< Slice position [0,1] |
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| 192 | static int _licAxis; ///< Slice axis: 0:x, 1:y, 2:z |
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[2877] | 193 | |
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[2831] | 194 | //frame buffer for final rendering |
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[2877] | 195 | static GLuint _finalFbo, _finalColorTex, _finalDepthRb; |
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[835] | 196 | }; |
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[851] | 197 | |
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[2831] | 198 | #endif |
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