[3597] | 1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
---|
| 2 | /* |
---|
| 3 | * Copyright (c) 2004-2013 HUBzero Foundation, LLC |
---|
| 4 | * |
---|
| 5 | * Authors: |
---|
| 6 | * Wei Qiao <qiaow@purdue.edu> |
---|
| 7 | * Insoo Woo <iwoo@purdue.edu> |
---|
| 8 | * George A. Howlett <gah@purdue.edu> |
---|
| 9 | * Leif Delgass <ldelgass@purdue.edu> |
---|
| 10 | */ |
---|
[3613] | 11 | #ifndef NV_FLOW_H |
---|
| 12 | #define NV_FLOW_H |
---|
[3597] | 13 | |
---|
| 14 | #include <tr1/unordered_map> |
---|
| 15 | #include <vector> |
---|
| 16 | #include <string> |
---|
| 17 | |
---|
| 18 | #include <tcl.h> |
---|
| 19 | |
---|
| 20 | #include <vrmath/Vector3f.h> |
---|
| 21 | |
---|
| 22 | #include "Switch.h" |
---|
| 23 | #include "FlowTypes.h" |
---|
| 24 | #include "FlowParticles.h" |
---|
| 25 | #include "FlowBox.h" |
---|
[3611] | 26 | #include "LIC.h" |
---|
[3630] | 27 | #include "VelocityArrowsSlice.h" |
---|
[3597] | 28 | #include "Unirect.h" |
---|
| 29 | #include "Volume.h" |
---|
| 30 | #include "TransferFunction.h" |
---|
| 31 | |
---|
[3611] | 32 | namespace nv { |
---|
| 33 | |
---|
[3597] | 34 | struct FlowValues { |
---|
| 35 | TransferFunction *transferFunction; |
---|
| 36 | FlowPosition slicePos; |
---|
| 37 | int showArrows; |
---|
| 38 | int sliceVisible; |
---|
| 39 | int showVolume; |
---|
| 40 | int showOutline; |
---|
| 41 | int isHidden; |
---|
| 42 | int twoSidedLighting; |
---|
| 43 | float ambient; ///< Ambient volume shading |
---|
| 44 | float diffuse; ///< Diffuse volume shading |
---|
| 45 | float specular; ///< Specular level volume shading |
---|
| 46 | float specularExp; ///< Specular exponent volume shading |
---|
| 47 | float opacity; ///< Volume opacity scaling |
---|
| 48 | }; |
---|
| 49 | |
---|
| 50 | class Flow |
---|
| 51 | { |
---|
| 52 | public: |
---|
| 53 | Flow(Tcl_Interp *interp, const char *name); |
---|
| 54 | |
---|
| 55 | ~Flow(); |
---|
| 56 | |
---|
| 57 | void getBounds(vrmath::Vector3f& min, |
---|
| 58 | vrmath::Vector3f& max, |
---|
| 59 | bool onlyVisible); |
---|
| 60 | |
---|
| 61 | FlowParticles *createParticles(const char *particlesName); |
---|
| 62 | |
---|
| 63 | FlowParticles *getParticles(const char *particlesName); |
---|
| 64 | |
---|
| 65 | void deleteParticles(const char *particlesName); |
---|
| 66 | |
---|
| 67 | void getParticlesNames(std::vector<std::string>& names); |
---|
| 68 | |
---|
| 69 | void render(); |
---|
| 70 | |
---|
| 71 | void advect(); |
---|
| 72 | |
---|
| 73 | void resetParticles(); |
---|
| 74 | |
---|
| 75 | void initializeParticles(); |
---|
| 76 | |
---|
| 77 | FlowBox *createBox(const char *boxName); |
---|
| 78 | |
---|
| 79 | FlowBox *getBox(const char *boxName); |
---|
| 80 | |
---|
| 81 | void deleteBox(const char *boxName); |
---|
| 82 | |
---|
| 83 | void getBoxNames(std::vector<std::string>& names); |
---|
| 84 | |
---|
| 85 | bool visible() |
---|
| 86 | { |
---|
| 87 | return !_sv.isHidden; |
---|
| 88 | } |
---|
| 89 | |
---|
| 90 | const char *name() const |
---|
| 91 | { |
---|
| 92 | return _name.c_str(); |
---|
| 93 | } |
---|
| 94 | |
---|
| 95 | bool isDataLoaded() |
---|
| 96 | { |
---|
[3935] | 97 | return (_volume != NULL); |
---|
[3597] | 98 | } |
---|
| 99 | |
---|
[3935] | 100 | void getVectorRange(double range[]) |
---|
[3597] | 101 | { |
---|
[3935] | 102 | range[0] = _volume->wAxis.min(); |
---|
| 103 | range[1] = _volume->wAxis.max(); |
---|
[3597] | 104 | } |
---|
| 105 | |
---|
[4056] | 106 | void data(Unirect3d *unirect) |
---|
[3597] | 107 | { |
---|
[3935] | 108 | float *vdata = getScaledVector(unirect); |
---|
| 109 | _volume = makeVolume(unirect, vdata); |
---|
| 110 | delete [] vdata; |
---|
[3936] | 111 | delete unirect; |
---|
[3935] | 112 | initVolume(); |
---|
| 113 | scaleVectorField(); |
---|
[3597] | 114 | } |
---|
| 115 | |
---|
[3935] | 116 | void data(Volume *volume) |
---|
| 117 | { |
---|
| 118 | _volume = volume; |
---|
| 119 | initVolume(); |
---|
| 120 | scaleVectorField(); |
---|
| 121 | } |
---|
| 122 | |
---|
[5587] | 123 | FlowSliceAxis getSliceAxis() |
---|
[3597] | 124 | { |
---|
[3630] | 125 | return _sv.slicePos.axis; |
---|
[3597] | 126 | } |
---|
| 127 | |
---|
| 128 | TransferFunction *getTransferFunction() |
---|
| 129 | { |
---|
| 130 | return _sv.transferFunction; |
---|
| 131 | } |
---|
[3630] | 132 | #if 0 |
---|
[4899] | 133 | void setSliceAxis(FlowSliceAxis axis) |
---|
[3597] | 134 | { |
---|
| 135 | _sv.slicePos.axis = axis; |
---|
[3630] | 136 | if (NanoVis::licRenderer != NULL) { |
---|
| 137 | NanoVis::licRenderer->setSliceAxis(_sv.slicePos.axis); |
---|
| 138 | } |
---|
| 139 | if (NanoVis::velocityArrowsSlice != NULL) { |
---|
| 140 | NanoVis::velocityArrowsSlice->setSliceAxis(_sv.slicePos.axis); |
---|
| 141 | } |
---|
[3597] | 142 | } |
---|
| 143 | |
---|
| 144 | void setCurrentPosition(float position) |
---|
| 145 | { |
---|
| 146 | _sv.slicePos.value = position; |
---|
[3630] | 147 | if (NanoVis::licRenderer != NULL) { |
---|
| 148 | NanoVis::licRenderer->setSlicePosition(_sv.slicePos.value); |
---|
| 149 | } |
---|
| 150 | if (NanoVis::velocityArrowsSlice != NULL) { |
---|
| 151 | NanoVis::velocityArrowsSlice->setSlicePosition(_sv.slicePos.value); |
---|
| 152 | } |
---|
[3597] | 153 | } |
---|
| 154 | |
---|
[3630] | 155 | void setLICActive(bool state) |
---|
[3597] | 156 | { |
---|
| 157 | _sv.sliceVisible = state; |
---|
[3630] | 158 | if (NanoVis::licRenderer != NULL) { |
---|
| 159 | NanoVis::licRenderer->setVectorField(_volume); |
---|
| 160 | NanoVis::licRenderer->setSliceAxis(_sv.slicePos.axis); |
---|
| 161 | NanoVis::licRenderer->setSlicePosition(_sv.slicePos.value); |
---|
| 162 | NanoVis::licRenderer->visible(state); |
---|
| 163 | } |
---|
[3597] | 164 | } |
---|
| 165 | |
---|
[3630] | 166 | void setArrowsActive(bool state) |
---|
| 167 | _sv.showArrows = state; |
---|
| 168 | if (NanoVis::velocityArrowsSlice != NULL) { |
---|
| 169 | NanoVis::velocityArrowsSlice->setVectorField(_volume); |
---|
| 170 | NanoVis::velocityArrowsSlice->setSliceAxis(_sv.slicePos.axis); |
---|
| 171 | NanoVis::velocityArrowsSlice->setSlicePosition(_sv.slicePos.value); |
---|
| 172 | NanoVis::velocityArrowsSlice->visible(_sv.showArrows); |
---|
| 173 | } |
---|
[3597] | 174 | } |
---|
[3630] | 175 | #endif |
---|
[3597] | 176 | const Volume *getVolume() const |
---|
| 177 | { |
---|
| 178 | return _volume; |
---|
| 179 | } |
---|
| 180 | |
---|
| 181 | int parseSwitches(Tcl_Interp *interp, int objc, Tcl_Obj *const *objv) |
---|
| 182 | { |
---|
[4056] | 183 | if (nv::ParseSwitches(interp, _switches, objc, objv, &_sv, |
---|
| 184 | SWITCH_DEFAULTS) < 0) { |
---|
[3597] | 185 | return TCL_ERROR; |
---|
| 186 | } |
---|
| 187 | return TCL_OK; |
---|
| 188 | } |
---|
| 189 | |
---|
[3630] | 190 | bool configure(); |
---|
| 191 | |
---|
[3597] | 192 | Tcl_Command getCommandToken() |
---|
| 193 | { |
---|
| 194 | return _cmdToken; |
---|
| 195 | } |
---|
| 196 | |
---|
[3630] | 197 | float getRelativePosition(FlowPosition *pos); |
---|
[3597] | 198 | |
---|
[3630] | 199 | static bool updatePending; |
---|
| 200 | static double magMin, magMax; |
---|
| 201 | |
---|
[3597] | 202 | private: |
---|
| 203 | typedef std::string ParticlesId; |
---|
| 204 | typedef std::string BoxId; |
---|
| 205 | typedef std::tr1::unordered_map<ParticlesId, FlowParticles *> ParticlesHashmap; |
---|
| 206 | typedef std::tr1::unordered_map<BoxId, FlowBox *> BoxHashmap; |
---|
| 207 | |
---|
[3935] | 208 | void initVolume(); |
---|
[3597] | 209 | |
---|
[3935] | 210 | bool scaleVectorField(); |
---|
[3630] | 211 | |
---|
[4056] | 212 | float *getScaledVector(Unirect3d *unirect); |
---|
[3935] | 213 | |
---|
[4056] | 214 | Volume *makeVolume(Unirect3d *unirect, float *data); |
---|
[3935] | 215 | |
---|
[3597] | 216 | void renderBoxes(); |
---|
| 217 | |
---|
| 218 | Tcl_Interp *_interp; |
---|
| 219 | /** |
---|
| 220 | * Name of the flow. This may differ |
---|
| 221 | * from the name of the command |
---|
| 222 | * associated with the flow, if the |
---|
| 223 | * command was renamed. */ |
---|
| 224 | std::string _name; |
---|
| 225 | |
---|
| 226 | /** |
---|
| 227 | * Command associated with the flow. |
---|
| 228 | * When the command is deleted, so is |
---|
| 229 | * the flow. */ |
---|
| 230 | Tcl_Command _cmdToken; |
---|
| 231 | |
---|
| 232 | /** |
---|
| 233 | * The volume associated with the |
---|
| 234 | * flow. This isn't the same thing as |
---|
| 235 | * a normal volume displayed. */ |
---|
| 236 | Volume *_volume; |
---|
| 237 | |
---|
| 238 | /** |
---|
| 239 | * For each field there can be one or |
---|
| 240 | * more particle injection planes |
---|
| 241 | * where the particles are injected |
---|
| 242 | * into the flow. */ |
---|
| 243 | ParticlesHashmap _particlesTable; |
---|
| 244 | |
---|
| 245 | /** |
---|
| 246 | * A table of boxes. There maybe |
---|
| 247 | * zero or more boxes associated |
---|
| 248 | * with each field. */ |
---|
| 249 | BoxHashmap _boxTable; |
---|
| 250 | |
---|
| 251 | FlowValues _sv; |
---|
| 252 | |
---|
[4056] | 253 | static SwitchSpec _switches[]; |
---|
[3597] | 254 | }; |
---|
| 255 | |
---|
[3611] | 256 | } |
---|
| 257 | |
---|
[3597] | 258 | #endif |
---|