/usr/share/yorick/i0/cntrfunc.i is in yorick-gl 1.1+cvs20070922+dfsg-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 | /*
* $Id: cntrfunc.i,v 1.1.1.1 2005/09/18 22:07:59 dhmunro Exp $
* This file connects yorick to the compiled functions in
* the OpenGL based 3D graphics package.
*/
/* Copyright (c) 2005, The Regents of the University of California.
* All rights reserved.
* This file is part of yorick (http://yorick.sourceforge.net).
* Read the accompanying LICENSE file for details.
*/
if (!is_void(plug_in)) plug_in, "yorgl";
/* set default chunk size for iso-surface and slice plane
generation */
CHKSIZ= [20,16,10];
extern MakeSliceTreeCrv;
/* xxDOCUMENT MakeSliceTreeCrv(xyz, tree)
Build an octree for use in extracting slicing planes from an ijk grid.
tree holds the size of the overall grid, the size of the chunk to process
on this call, and the point where the chunk starts within the larger array.
array. xyz is the coordinates of the grid points.
The octree is returned in tree.
*/
/* PROTOTYPE
int ycMakeSliceTreeCrv(double array xyz, pointer tree)
*/
extern SliceTreeCrv;
/* xxDOCUMENT SliceTreeCrv(point, normal, xyz, var, triangles, tree)
Compute a slicing plane on an ijk grid using a pre-computed octree.
tree holds the size of the overall grid, the size of the chunk to process
on this call, and the point where the chunk starts within the larger array.
array. xyz is the coordinates of the grid points.
var is an optional point centered variable to be interpolated to
the vertices on the slicing plane.
point lies on the slicing plane and normal is perpendicular
to the plane.
triangles is a struct with space in which to return the result.
Makes a triangle array.
*/
/* PROTOTYPE
int ycSliceTreeCrv(double array point, double array normal,
double array xyz, pointer var, pointer triangles,
pointer tree)
*/
extern SliceTree;
/* xxDOCUMENT SliceTree(maxdepth, sizes, chunk, start, point, normal,
deltas, origin, var2, triangles)
Compute a slicing plane on a regular grid using bisection to
efficiently find the cells cut by the plane. The number of
bisections is maxdepth.
The full grid has dimensions sizes=[nx,ny,nz]. This call handles
chunk vertices and the chunk starts at location start in
the full grid.
deltas is the size of a zone and origin is the coordinate of the
first point.
point lies on the slicing plane and normal is perpendicular
to the plane.
var2 (if not null) is an auxiliary variable whose value is returned
at each vertex of the slice plane.
triangles is a struct with space in which to return the result.
Makes a triangle array.
*/
/* PROTOTYPE
int ycSliceTree(long maxdepth, long array sizes, long array chunk, long array start,
double array point, double array normal,
double array deltas, double array origin,
pointer var2, pointer triangles)
*/
extern MakeContourTree;
/* xxDOCUMENT MakeContourTree(var, tree)
Build an octree for use in extracting iso-surfaces from a regular grid.
tree holds the size of the overall grid, the size of the chunk to process
on this call, and the point where the chunk starts within the larger array.
array. var has cell centered values.
The octree is returned in tree.
*/
/* PROTOTYPE
int ycMakeContourTree(double array var, pointer tree)
*/
extern ContourTree;
/* xxDOCUMENT ContourTree(deltas, origin, level, var, triangles, tree)
Compute an iso-surface at the specified level on a regular grid
using a pre-computed octree.
tree holds the size of the overall grid, the size of the chunk to process
on this call, and the point where the chunk starts within the larger array.
array. var has cell centered values.
level is the contour level and var is the array to contour.
triangles is a struct with space in which to return the result.
Makes a triangle array.
*/
/* PROTOTYPE
int ycContourTree(double array deltas, double array origin, double level,
double array var, pointer triangles, pointer tree)
*/
extern ContourTree2;
/* xxDOCUMENT ContourTree2(deltas, origin, level, var, var2, triangles, tree)
Compute an iso-surface at the specified level on a regular grid
using a pre-computed octree.
var2 is interpolated to the vertices of the iso-surface.
tree holds the size of the overall grid, the size of the chunk to process
on this call, and the point where the chunk starts within the larger array.
array. var has cell centered values.
level is the contour level and var is the array to contour.
triangles is a struct with space in which to return the result.
Makes a triangle array.
*/
/* PROTOTYPE
int ycContourTree2(double array deltas, double array origin, double level,
double array var, pointer var2, pointer triangles, pointer tree)
*/
extern ContourTreeCrv;
/* xxDOCUMENT ContourTreeCrv(level, xyz, var, triangles, tree)
Compute an iso-surface at the specified level on an ijk grid
using a pre-computed octree.
tree holds the size of the overall grid, the size of the chunk to process
on this call, and the point where the chunk starts within the larger array.
array. var has cell centered values.
level is the contour level and var is the array to contour.
triangles is a struct with space in which to return the result.
Makes a triangle array.
*/
/* PROTOTYPE
int ycContourTreeCrv(double level, double array xyz,
double array var, pointer triangles, pointer tree)
*/
extern ContourTreeCrv2;
/* xxDOCUMENT ContourTreeCrv2(level, xyz, var, var2, triangles, tree)
Compute an iso-surface at the specified level on an ijk grid
using a pre-computed octree.
var2 is interpolated to the vertices of the iso-surface.
tree holds the size of the overall grid, the size of the chunk to process
on this call, and the point where the chunk starts within the larger array.
array. var has cell centered values.
level is the contour level and var is the array to contour.
triangles is a struct with space in which to return the result.
Makes a triangle array.
*/
/* PROTOTYPE
int ycContourTreeCrv2(double level, double array xyz, double array var,
pointer var2, pointer triangles, pointer tree)
*/
extern ContourInitCartPcen;
/* xxDOCUMENT ContourInitCartPcen(sizes, offsets, deltas, origin, var, var2)
Prepare to compute an iso-surface at the specified level on a regular grid.
The grid does NOT include any guard cells.
var has point centered values.
var2 is an auxiliary point centered variable that is the same size as var.
sizes is the size of the chunk to be processed including the ghost
points on both sides.
offsets has 5 elements. The first three are the i, j, and k of
the first real cell in this chunk of the grid relative to the global grid.
They are 1-based, so they must be adjusted before use in C.
The fourth, fifth, and sixth are the numbers of cells in the i, j, and k
directions in the global grid.
*/
/* PROTOTYPE
int ycInitCartPcen(long array sizes, long array offsets,
double array deltas, double array origin, double array var, pointer var2)
*/
extern ContourInitCartGrdPcen;
/* xxDOCUMENT ContourInitCartGrdPcen(sizes, offsets, deltas, origin, var, var2)
Prepare to compute an iso-surface at the specified level on a regular grid.
var has point centered values.
var2 is an auxiliary point centered variable that is the same size as var.
sizes is the size of the chunk to be processed including the ghost
points on both sides.
offsets has 5 elements. The first three are the i, j, and k of
the first real cell in this chunk of the grid relative to the global grid.
They are 1-based, so they must be adjusted before use in C.
The fourth, fifth, and sixth are the numbers of cells in the i, j, and k
directions in the global grid.
*/
/* PROTOTYPE
int ycInitCartGrdPcen(long array sizes, long array offsets,
double array deltas, double array origin, double array var, pointer var2)
*/
extern ContourInitCartZcen;
/* xxDOCUMENT ContourInitCartZcen(offsets, deltas, origin, var, var2)
Prepare to compute an iso-surface at the specified level on a regular grid.
var has zone centered values.
var2 is an auxiliary zone centered variable that is the same size as var.
sizes is the size of the chunk to be processed including the ghost
points on both sides.
offsets has 5 elements. The first three are the i, j, and k of
the first real cell in this chunk of the grid relative to the global grid.
They are 1-based, so they must be adjusted before use in C.
The fourth, fifth, and sixth arguemnts are the numbers of cells in
the i, j, and k directions in the global grid.
*/
/* PROTOTYPE
int ycInitCartZcen(long array sizes, long array offsets,
double array deltas, double array origin, double array var, pointer var2)
*/
extern ContourInitCartGrdZcen;
/* xxDOCUMENT ContourInitCartGrdZcen(offsets, deltas, origin, var, var2)
Prepare to compute an iso-surface at the specified level on a regular grid.
var has zone centered values.
var2 is an auxiliary zone centered variable that is the same size as var.
sizes is the size of the chunk to be processed including the ghost
points on both sides.
offsets has 5 elements. The first three are the i, j, and k of
the first real cell in this chunk of the grid relative to the global grid.
They are 1-based, so they must be adjusted before use in C.
The fourth, fifth, and sixth arguments are the numbers of cells in
the i, j, and k directions in the global grid.
*/
/* PROTOTYPE
int ycInitCartGrdZcen(long array sizes, long array offsets,
double array deltas, double array origin, double array var, pointer var2)
*/
extern ContourInitCartGrdPcenNdx;
/* xxDOCUMENT ContourInitCartGrdPcenNdx(sizes, offsets, deltas, origin, var, var2)
Prepare to compute an iso-surface at the specified level on a regular grid.
var has point centered values.
var2 is an auxiliary point centered variable that is the same size as var.
sizes is the size of the chunk to be processed including the ghost
points on both sides.
offsets has 5 elements. The first three are the i, j, and k of
the first real cell in this chunk of the grid relative to the global grid.
They are 1-based, so they must be adjusted before use in C.
The fourth, fifth, and sixth arguments are the numbers of cells in
the i, j, and k directions in the global grid.
The output triangles are specified by indices into vectors of coordinates,
gradients, and auxiliary variables.
*/
/* PROTOTYPE
int ycInitCartGrdPcenNdx(long array sizes, long array offsets,
double array deltas, double array origin, double array var, pointer var2)
*/
extern ContourInitCartGrdZcenNdx;
/* xxDOCUMENT ContourInitCartGrdZcenNdx(sizes, offsets, deltas, origin, var, var2)
Prepare to compute an iso-surface at the specified level on a regular grid.
var has zone centered values.
var2 is an auxiliary zone centered variable that is the same size as var.
sizes is the size of the chunk to be processed including the ghost
points on both sides.
offsets has 5 elements. The first three are the i, j, and k of
the first real cell in this chunk of the grid relative to the global grid.
They are 1-based, so they must be adjusted before use in C.
The fourth, fifth, and sixth arguments are the numbers of cells in
the i, j, and k directions in the global grid.
xyz is the grid.
The output triangles are specified by indices into vectors of coordinates,
gradients, and auxiliary variables.
*/
/* PROTOTYPE
int ycInitCartGrdZcenNdx(long array sizes, long array offsets,
double array deltas, double array origin, double array var, pointer var2)
*/
extern ContourInitCrvGrdPcen;
/* xxDOCUMENT ContourInitCrvGrdPcen(sizes, offsets, xyz, var, var2)
Prepare to compute an iso-surface at the specified level on a curvi-linear grid.
var has point centered values.
var2 is an auxiliary point centered variable that is the same size as var.
sizes is the size of the chunk to be processed including the ghost
points on both sides.
offsets has 5 elements. The first three are the i, j, and k of
the first point in this chunk of the grid relative to the global grid.
They are 1-based, so they must be adjusted before use in C.
The fourth, fifth, and sixth arguments are the numbers of cells in
the i, j, and k directions in the global grid.
xyz is the grid.
*/
/* PROTOTYPE
int ycInitCrvGrdPcen(long array sizes, long array offsets,
double array xyz, double array var, pointer var2)
*/
extern ContourInitCrvGrdZcen;
/* xxDOCUMENT ContourInitCrvGrdZcen(sizes, offsets, xyzn, var, var2)
Prepare to compute an iso-surface at the specified level on a curvi-linear grid.
var has zone centered values.
var2 is an auxiliary zone centered variable that is the same size as var.
sizes is the size of the chunk to be processed including the ghost
points on both sides.
offsets has 5 elements. The first three are the i, j, and k of
the first point in this chunk of the grid relative to the global grid.
They are 1-based, so they must be adjusted before use in C.
The fourth, fifth, and sixth arguments are the numbers of cells in
the i, j, and k directions in the global grid.
xyz is the grid.
*/
/* PROTOTYPE
int ycInitCrvGrdZcen(long array sizes, long array offsets,
double array xyz, double array var, pointer var2)
*/
extern ContourInitCrvGrdPcenNdx;
/* xxDOCUMENT ContourInitCrvGrdPcenNdx(sizes, offsets, xyz, var, var2)
Prepare to compute an iso-surface at the specified level on a curvi-linear grid.
var has point centered values.
var2 is an auxiliary point centered variable that is the same size as var.
sizes is the size of the chunk to be processed including the ghost
points on both sides.
offsets has 5 elements. The first three are the i, j, and k of
the first point in this chunk of the grid relative to the global grid.
They are 1-based, so they must be adjusted before use in C.
The fourth, fifth, and sixth arguments are the numbers of cells in
the i, j, and k directions in the global grid.
xyz is the grid.
The output triangles are specified by indices into vectors of coordinates,
gradients, and auxiliary variables.
*/
/* PROTOTYPE
int ycInitCrvGrdPcenNdx(long array sizes, long array offsets,
double array xyz, double array var, pointer var2)
*/
extern ContourInitCrvGrdZcenNdx;
/* xxDOCUMENT ContourInitCrvGrdZcenNdx(sizes, offsets, xyz, var, var2)
Prepare to compute an iso-surface at the specified level on a curvi-linear grid.
var has zone centered values.
var2 is an auxiliary zone centered variable that is the same size as var.
sizes is the size of the chunk to be processed including the ghost
points on both sides.
offsets has 5 elements. The first three are the i, j, and k of
the first point in this chunk of the grid relative to the global grid.
They are 1-based, so they must be adjusted before use in C.
The fourth, fifth, and sixth arguments are the numbers of cells in
the i, j, and k directions in the global grid.
xyz is the grid.
The output triangles are specified by indices into vectors of coordinates,
gradients, and auxiliary variables.
*/
/* PROTOTYPE
int ycInitCrvGrdZcenNdx(long array sizes, long array offsets,
double array xyz, double array var, pointer var2)
*/
extern ContourTetHex;
/* xxDOCUMENT ContourTetHex(level, ifirst, nzone, xyz, grad, hexndx, var, var2, triangles)
compute an iso-surface at the specified level on an arbitrarily connected
grid of hexahedra.
xyz, grad, and var are coordinates, gradients, and variable values
at the points making up the grid.
var2 is an optional auxiliary variable that is the same size as var.
hexndx has 8 indices into xyz etc. for each hex making up the grid.
level is the contour level.
triangles is a struct with space in which to return the result.
*/
/* PROTOTYPE
int ycContourTetHex(double level, long ifirst, long nzone, double array xyz,
double array grad, long array hexndx,
double array var, pointer var2, pointer triangles)
*/
extern ContourTreeVarr;
/* xxDOCUMENT ContourTreeVarr(deltas, origin, level, var,
triangles, tree)
compute an iso-surface at the specified level on a regular grid.
level is the contour level and var is the array to contour.
var has cell centered values.
triangles is a struct with space in which to return the result.
tree contains a pre-computed octtree to be used in computing
the iso-surface. The tree structure holds several pieces of
information about the grid etc.
A triangle is specified by 3 indices into a list of
the unique vertices on the iso-surface which is stored in triangles.
*/
/* PROTOTYPE
int ycContourTreeVarr(double array deltas, double array origin,
double level, double array var, pointer triangles,
pointer tree, long array edgndx)
*/
extern ContourTreeVarr2;
/* xxDOCUMENT ContourTreeVarr2(deltas, origin, level, var, var2,
triangles, tree)
compute an iso-surface at the specified level on a regular grid.
level is the contour level and var is the array to contour.
var has cell centered values.
triangles is a struct with space in which to return the result.
tree contains a pre-computed octtree to be used in computing
the iso-surface. The tree structure holds several pieces of
information about the grid etc.
A triangle is specified by 3 indices into a list of
the unique vertices on the iso-surface which is stored in triangles.
var2 is a second variable that will be interpolated to the vertices
of the iso-surface (if var2 is non-zero).
*/
/* PROTOTYPE
int ycContourTreeVarr2(double array deltas, double array origin,
double level, double array var, pointer var2,
pointer triangles, pointer tree, long array edgndx)
*/
extern ContourTetArray;
/* xxDOCUMENT ContourTetArray(make_strip, sizes, level, var, var2,
xyz, grid, flag, triangles)
Compute an iso-surface at the specified level for a chunk within the
full grid.
A initialization routine suitable for the grid type must be called
before this function for every chunk to establish the "mapping"
between the full grid and the chunk.
sizes is the number of points in each coordinate direction for the
chunk passed in this call. There is a ghost point at both ends of each
direction (included in sizes).
level is the contour level and var is the array to contour.
triangles is a struct with space in which to return the result.
var2 is a second variable that will be interpolated to the vertices
of the iso-surface (if var2 is non-zero).
*/
/* PROTOTYPE
int ycContourTet_array(long make_strip, long array sizes, double level,
double array var, double array var2, double array xyz,
double array grd, char array flag, pointer triangles)
*/
extern ContourTetArrayNdx;
/* xxDOCUMENT ContourTetArrayNdx(make_strip, sizes, level, var, var2,
xyz, grid, flag, ndx, triangles)
Compute an iso-surface at the specified level for a chunk within the
full grid.
A initialization routine suitable for the grid type must be called
before this function for every chunk to establish the "mapping"
between the full grid and the chunk.
sizes is the number of points in each coordinate direction for the
chunk passed in this call. There is a ghost point at both ends of each
direction (included in sizes).
level is the contour level and var is the array to contour.
triangles is a struct with space in which to return the result.
A triangle is specified by 3 indices in ndx. They point into a list of
the unique vertices on the iso-surface which is stored in triangles.
var2 is a second variable that will be interpolated to the vertices
of the iso-surface (if var2 is non-zero).
*/
/* PROTOTYPE
int ycContourTet_array_ndx(long make_strip, long array sizes, double level,
double array var, double array var2, double array xyz,
double array grd, char array flag, long array ndx, pointer triangles)
*/
extern ContourTetZone;
/* xxDOCUMENT ContourTetZone(level, var, t_strips)
Compute an iso-surface for a single hexahedral zone at the specified level.
The result is the set of hex edges cut in the form of a (possibly
more than one) tri-strip. The result is in the form of an array of
IsoTriStrip.
var is a 2-by-2-by-2 set of function values.
level is the contour level.
*/
/* PROTOTYPE
int ycTetIso_one_zone(double level, double array var, pointer t_strip)
*/
extern PrepIsoTet;
/* xxDOCUMENT PrepIsoTet()
Prepare the case table for iso-surfaces generated using a 6 tet
decompostion of a hexahedral zone.
*/
/* PROTOTYPE
int ycPrepIsoTet(void)
*/
|