vigra - vigra/voxelneighborhood.hxx Source File

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voxelneighborhood.hxx |

1 /************************************************************************/
2 /* */
3 /* Copyright 2006-2007 by F. Heinrich, B. Seppke, Ullrich Koethe */
4 /* */
5 /* This file is part of the VIGRA computer vision library. */
6 /* The VIGRA Website is */
7 /* http://hci.iwr.uni-heidelberg.de/vigra/ */
8 /* Please direct questions, bug reports, and contributions to */
9 /* ullrich.koethe@iwr.uni-heidelberg.de or */
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34 /************************************************************************/
35
36 #ifndef VIGRA_VOXELNEIGHBORHOOD_HXX
37 #define VIGRA_VOXELNEIGHBORHOOD_HXX
38
39 #include "tinyvector.hxx"
40 #include "pixelneighborhood.hxx"
41
42 namespace vigra {
43
44 /** \addtogroup VoxelNeighborhood Utilities to manage voxel neighborhoods
45
46 6- and 26-neighborhood definitions and circulators.
47
48 <b>\#include</b> <vigra/voxelneighborhood.hxx><br>
49
50 <b>See also:</b> \ref vigra::NeighborhoodCirculator
51 */
52 //@{
53
54 /// 3-dimensional difference vector
55 typedef vigra::TinyVector<int, 3> Diff3D;
56
57 /********************************************************/
58 /* */
59 /* AtVolumeBorder */
60 /* */
61 /********************************************************/
62
63 /** \brief Encode whether a voxel is near the volume border.
64
65 // This enum is used with \ref isAtVolumeBorder() and
66 // \ref vigra::RestrictedNeighborhoodCirculator.
67
68 //<b>\#include</b> <vigra/voxelneighborhood.hxx><br>
69 //Namespace: vigra
70 */
71
72 typedef AtImageBorder AtVolumeBorder;
73
74
75 /** \brief Find out whether a voxel is at the volume border.
76
77 This function checks if \a x == 0 or \a x == \a width - 1 and
78 \a y == 0 or \a y == \a height - 1 and so on and returns the appropriate value
79 of \ref vigra::AtVolumeBorder, or zero when the voxel is not at te volume border.
80 The behavior of the function is undefined if (x,y,z) is not inside the volume.
81 */
82 inline AtVolumeBorder isAtVolumeBorder(int x, int y, int z, int width, int height, int depth)
83 {
84 return static_cast<AtVolumeBorder>((x == 0
85 ? LeftBorder
86 : x == width-1
87 ? RightBorder
88 : NotAtBorder) |
89 (y == 0
90 ? TopBorder
91 : y == height-1
92 ? BottomBorder
93 : NotAtBorder) |
94 (z == 0
95 ? FrontBorder
96 : z == depth-1
97 ? RearBorder
98 : NotAtBorder));
99 }
100
101 inline AtVolumeBorder isAtVolumeBorder(Diff3D const & p, Diff3D const & shape)
102 {
103 return isAtVolumeBorder(p[0], p[1], p[2], shape[0], shape[1], shape[2]);
104 }
105
106 /** \brief Find out whether a voxel is at a scan-order relevant volume border.
107 This function checks if \a x == 0 or \a y == 0 or \a z == \a 0 and returns the
108 appropriate value of \ref vigra::AtVolumeBorder, or zero when the voxel is
109 not at te volume border.
110 The behavior of the function is undefined if (x,y,z) is not inside the volume.
111 */
112 inline AtVolumeBorder isAtVolumeBorderCausal(int x, int y, int z, int width, int height, int /* depth */)
113 {
114 return static_cast<AtVolumeBorder>((x == 0
115 ? LeftBorder
116 : x == width-1
117 ? RightBorder
118 : NotAtBorder) |
119 (y == 0
120 ? TopBorder
121 : y == height-1
122 ? BottomBorder
123 : NotAtBorder) |
124 (z == 0
125 ? FrontBorder
126 : NotAtBorder));
127 }
128 /** TODO: Write new comment \brief Find out whether a voxel is at a scan-order relevant volume border.
129 This function checks if \a x == 0 or \a y == 0 or \a z == \a 0 and returns the
130 appropriate value of \ref vigra::AtVolumeBorder, or zero when the voxel is
131 not at te volume border.
132 The behavior of the function is undefined if (x,y,z) is not inside the volume.
133 */
134 inline AtVolumeBorder isAtVolumeBorderAntiCausal(int x, int y, int z, int width, int height, int depth)
135 {
136 return static_cast<AtVolumeBorder>((x == 0
137 ? LeftBorder
138 : x == width-1
139 ? RightBorder
140 : NotAtBorder) |
141 (y == 0
142 ? TopBorder
143 : y == height-1
144 ? BottomBorder
145 : NotAtBorder) |
146 (z == depth-1
147 ? RearBorder
148 : NotAtBorder));
149 }
150
151 /********************************************************/
152 /* */
153 /* Neighborhood3DSix */
154 /* */
155 /********************************************************/
156
157 /** 3D 6-Neighborhood. */
158 namespace Neighborhood3DSix
159 {
160
161 /** \brief Encapsulation of direction management of neighbors for a 3D 6-neighborhood.
162 */
163 class NeighborCode3D
164 {
165 public:
166
167 typedef Diff3D difference_type;
168
169 /** provides enumeration of all directions.
170 DirectionCount may be used for portable loop termination conditions.
171 */
172 enum Direction {
173 Error = -1,
174 InFront= 0,
175 North,
176 West ,
177 Behind,
178 South,
179 East,
180 DirectionCount,
181 CausalFirst = InFront,
182 CausalLast = West,
183 AntiCausalFirst = Behind,
184 AntiCausalLast = East,
185
186 InitialDirection = InFront,
187 OppositeDirPrefix = 1,
188 OppositeOffset = 3
189 };
190
191 template <int DUMMY>
192 struct StaticData
193 {
194 static unsigned int b[];
195 static unsigned int c[];
196 static Direction bd[43][6];
197 static Direction bc[43][3];
198 static Diff3D d[];
199 static Diff3D rd[][6];
200 };
201
202 static unsigned int directionBit(Direction d)
203 {
204 return StaticData<0>::b[d];
205 };
206
207
208 /** The number of valid neighbors if the current center is at the volume border.
209 */
210 static unsigned int nearBorderDirectionCount(AtVolumeBorder b)
211 {
212 return StaticData<0>::c[b];
213 }
214
215 /** The valid direction codes when the center is at the volume border.
216 \a index must be in the range <tt>0...nearBorderDirectionCount(b)-1</tt>.
217 */
218 static Direction nearBorderDirections(AtVolumeBorder b, int index)
219 {
220 return StaticData<0>::bd[b][index];
221 }
222
223 /** The valid direction three codes in anti causal direction (means: look back in scanline
224 direction)when the center is at the volume border.
225 Should be used with isAtVolumeBorderCausal to determine the Directions, as this
226 avoids using of the nonesense border ids (e.g. 0,1,8,9...) of this table.
227 \a index must be in the range <tt>0...nearBorderDirectionCount(b)-1</tt>.
228 */
229 static Direction nearBorderDirectionsCausal(AtVolumeBorder b, int index)
230 {
231 return StaticData<0>::bc[b][index];
232 }
233
234 /** transform direction code into corresponding Diff3D offset.
235 (note: there is no bounds checking on the code you pass.)
236 */
237 static Diff3D const & diff(Direction code)
238 {
239 return StaticData<0>::d[code];
240 }
241
242 /** Equivalent to <tt>diff(static_cast<Direction>(code))</tt>.
243 (note: there is no bounds checking on the code you pass.)
244 */
245 static Diff3D const & diff(int code) { return diff(static_cast<Direction>(code)); }
246
247 /** Equivalent to <tt>diff(code)[dim]</tt> */
248 static int diff(Direction code, int dim) { return diff(code)[dim]; }
249
250 /** Get the relative offset from one neighbor to the other.
251 For example, <tt>relativeDiff(East, West) == multi_differencetype(-2,0,0)</tt>.
252 (note: there is no bounds checking on the code you pass.)
253 */
254 static Diff3D const & relativeDiff(Direction fromCode, Direction toCode)
255 {
256 return StaticData<0>::rd[fromCode][toCode];
257 }
258
259 /** Equivalent to relativeDiff(static_cast<Direction>(fromCode), static_cast<Direction>(toCode)).
260 (note: there is no bounds checking on the code you pass.)
261 */
262 static Diff3D const & relativeDiff(int fromCode, int toCode)
263 {
264 return relativeDiff(static_cast<Direction>(fromCode), static_cast<Direction>(toCode));
265 }
266
267 /** X-component of diff() */
268 static int dX(Direction code) { return diff(code)[0]; }
269 /** Y-component of diff() */
270 static int dY(Direction code) { return diff(code)[1]; }
271 /** Z-component of diff() */
272 static int dZ(Direction code) { return diff(code)[2]; }
273
274 /** X-component of diff() */
275 static int dX(int code) { return diff(code)[0]; }
276 /** Y-component of diff() */
277 static int dY(int code) { return diff(code)[1]; }
278 /** Z-component of diff() */
279 static int dZ(int code) { return diff(code)[2]; }
280
281
282 /** transform Diff3D offset into corresponding direction code.
283 The code <tt>Direction::Error</tt> will be returned if <tt>diff</tt>
284 is not in the 3DSix-Neighborhood.
285 */
286 static Direction code(Diff3D const & diff)
287 {
288 switch(diff[0]) {
289 case 0:
290 {
291 switch(diff[1]) {
292 case 0:
293 switch(diff[2]) {
294 case 1:
295 return Behind;
296 case -1:
297 return InFront;
298 default:
299 return Error;
300 }
301
302 case 1:
303 return (diff[2] == 0) ? South : Error;
304 case -1:
305 return (diff[2] == 0) ? North : Error;
306 default:
307 return Error;
308 }
309 }
310 case -1:
311 return ((diff[1] == 0) && (diff[2] == 0)) ? West : Error;
312 case 1:
313 return ((diff[1] == 0) && (diff[2] == 0)) ? East : Error;
314 }
315 return Error;
316 }
317
318 /** Check whether a code refers to a diagonal direction.
319 Useful if you want to abstract the differences between 6- and 26-neighborhood.
320 Always <tt>false</tt> for 6-neighborhood.
321 */
322 static bool isDiagonal(Direction) { return false; }
323
324 static Diff3D const & right() { return diff(East); } /**< Offset to the right neighbor */
325 static Diff3D const & top() { return diff(North); } /**< Offset to the top neighbor */
326 static Diff3D const & left() { return diff(West); } /**< Offset to the left neighbor */
327 static Diff3D const & bottom() { return diff(South); } /**< Offset to the bottom neighbor */
328 static Diff3D const & rear() { return diff(Behind); } /**< Offset to the rear neighbor */
329 static Diff3D const & front() { return diff(InFront); } /**< Offset to the neighbor in front */
330
331 static Diff3D const & east() { return diff(East); } /**< Offset to the east neighbor */
332 static Diff3D const & north() { return diff(North); } /**< Offset to the north neighbor */
333 static Diff3D const & west() { return diff(West); } /**< Offset to the west neighbor */
334 static Diff3D const & south() { return diff(South); } /**< Offset to the south neighbor */
335 static Diff3D const & behind() { return diff(Behind); } /**< Offset to the rear neighbor */
336 static Diff3D const & infront() { return diff(InFront); } /**< Offset to the neighbor in front */
337
338 }; // class Neighborhood3DSix
339
340
341 /** Export NeighborCode3D::Direction into the scope of namespace Neighborhood3DSix.
342 */
343 typedef NeighborCode3D::Direction Direction;
344
345 static const Direction East = NeighborCode3D::East; /**< Export NeighborCode3D::East to namespace Neighborhood3DSix */
346 static const Direction North = NeighborCode3D::North; /**< Export NeighborCode3D::North to namespace Neighborhood3DSix */
347 static const Direction West = NeighborCode3D::West; /**< Export NeighborCode3D::West to namespace Neighborhood3DSix */
348 static const Direction South = NeighborCode3D::South; /**< Export NeighborCode3D::South to namespace Neighborhood3DSix */
349 static const Direction Behind = NeighborCode3D::Behind; /**< Export NeighborCode3D::Behind to namespace Neighborhood3DSix */
350 static const Direction InFront = NeighborCode3D::InFront; /**< Export NeighborCode3D::InFront to namespace Neighborhood3DSix */
351 static const Direction DirectionCount = NeighborCode3D::DirectionCount; /**< Export NeighborCode3D::DirectionCount to namespace Neighborhood3DSix */
352
353 template <int DUMMY>
354 unsigned int NeighborCode3D::StaticData<DUMMY>::b[] = {
355 1 << InFront,
356 1 << North,
357 1 << West,
358 1 << Behind,
359 1 << South,
360 1 << East
361 };
362
363 template <int DUMMY>
364 unsigned int NeighborCode3D::StaticData<DUMMY>::c[] = {
365 6, 5, 5, 0, 5, 4, 4, 0, 5, 4,
366 4, 0, 0, 0, 0, 0, 5, 4, 4, 0,
367 4, 3, 3, 0, 4, 3, 3, 0, 0, 0,
368 0, 0, 5, 4, 4, 0, 4, 3, 3, 0,
369 4, 3, 3};
370
371 template <int DUMMY>
372 Direction NeighborCode3D::StaticData<DUMMY>::bd[43][6] = {
373 { InFront, North, West, Behind, South, East}, // 0 - NotAtBorder
374 { InFront, North, West, Behind, South, Error}, // 1 - AtRightBorder
375 { InFront, North, Behind, South, East, Error}, // 2 - AtLeftBorder
376 { Error, Error, Error, Error, Error, Error},
377 { InFront, West, Behind, South, East, Error}, // 4 - AtTopBorder
378 { InFront, West, Behind, South, Error, Error}, // 5 - AtTopRightBorder
379 { InFront, Behind, South, East, Error, Error}, // 6 - AtTopLeftBorder
380 { Error, Error, Error, Error, Error, Error},
381 { InFront, North, West, Behind, East, Error}, // 8 - AtBottomBorder
382 { InFront, North, West, Behind, Error, Error}, // 9 - AtBottomRightBorder
383 { InFront, North, Behind, East, Error, Error}, //10- AtBottomLeftBorder
384 { Error, Error, Error, Error, Error, Error},
385 { Error, Error, Error, Error, Error, Error},
386 { Error, Error, Error, Error, Error, Error},
387 { Error, Error, Error, Error, Error, Error},
388 { Error, Error, Error, Error, Error, Error},
389 { North, West, Behind, South, East, Error}, //16 - AtFrontBorder
390 { North, West, Behind, South, Error, Error}, //17 - AtFrontRightBorder
391 { North, Behind, South, East, Error, Error}, //18 - AtFrontLeftBorder
392 { Error, Error, Error, Error, Error, Error},
393 { West, Behind, South, East, Error, Error}, //20 - AtTopFrontBorder
394 { West, Behind, South, Error, Error, Error}, //21 - AtTopRightFrontBorder
395 { Behind, South, East, Error, Error, Error}, //22 - AtTopLeftFrontBorder
396 { Error, Error, Error, Error, Error, Error},
397 { North, West, Behind, East, Error, Error}, //24 - AtBottomFrontBorder
398 { North, West, Behind, Error, Error, Error}, //25 - AtBottomRightFrontBorder
399 { North, Behind, East, Error, Error, Error}, //26 - AtBottomLeftFrontBorder
400 { Error, Error, Error, Error, Error, Error},
401 { Error, Error, Error, Error, Error, Error},
402 { Error, Error, Error, Error, Error, Error},
403 { Error, Error, Error, Error, Error, Error},
404 { Error, Error, Error, Error, Error, Error},
405 { InFront, North, West, South, East,Error}, //32 - AtRearBorder
406 { InFront, North, West, South, Error, Error}, //33 - AtRearRightBorder
407 { InFront, North, South, East, Error, Error}, //34 - AtRearLeftBorder
408 { Error, Error, Error, Error, Error, Error},
409 { InFront, West, South, East, Error, Error}, //36 - AtTopRearBorder
410 { InFront, West, South, Error, Error, Error}, //37 - AtTopRightRearBorder
411 { InFront, South, East, Error, Error, Error}, //38 - AtTopLeftRearBorder
412 { Error, Error, Error, Error, Error, Error},
413 { InFront, North, West, East, Error, Error}, //40 - AtBottomRearBorder
414 { InFront, North, West, Error, Error, Error}, //41 - AtBottomRightRearBorder
415 { InFront, North, East, Error, Error, Error} //42 - AtBottomLeftRearBorder
416 };
417
418 template <int DUMMY>
419 Direction NeighborCode3D::StaticData<DUMMY>::bc[43][3] = {
420 { InFront, North, West}, // 0 - NotAtBorder
421 { InFront, North, West}, // 1 - AtRightBorder
422 { InFront, North, Error}, // 2 - AtLeftBorder
423 { Error, Error, Error},
424 { InFront, West, Error}, // 4 - AtTopBorder
425 { InFront, West, Error}, // 5 - AtTopRightBorder
426 { InFront, Error,Error}, // 6 - AtTopLeftBorder
427 { Error, Error, Error},
428 { InFront, North, West}, // 8 - AtBottomBorder
429 { InFront, North, West}, // 9 - AtBottomRightBorder
430 { InFront, North, Error}, //10- AtBottomLeftBorder
431 { Error, Error, Error},
432 { Error, Error, Error},
433 { Error, Error, Error},
434 { Error, Error, Error},
435 { Error, Error, Error},
436 { North, West, Error}, //16 - AtFrontBorder
437 { North, West, Error}, //17 - AtFrontRightBorder
438 { North, Error, Error}, //18 - AtFrontLeftBorder
439 { Error, Error, Error},
440 { West, Error, Error}, //20 - AtTopFrontBorder
441 { West, Error, Error}, //21 - AtTopRightFrontBorder
442 { Error, Error, Error}, //22 - AtTopLeftFrontBorder
443 { Error, Error, Error},
444 { North, West, Error}, //24 - AtBottomFrontBorder
445 { North, West, Error}, //25 - AtBottomRightFrontBorder
446 { North, Error, Error}, //26 - AtBottomLeftFrontBorder
447 { Error, Error, Error},
448 { Error, Error, Error},
449 { Error, Error, Error},
450 { Error, Error, Error},
451 { Error, Error, Error},
452 { InFront, North, West}, //32 - AtRearBorder
453 { InFront, North, West}, //33 - AtRearRightBorder
454 { InFront, North, Error}, //34 - AtRearLeftBorder
455 { Error, Error, Error},
456 { InFront, West, Error}, //36 - AtTopRearBorder
457 { InFront, West, Error}, //37 - AtTopRightRearBorder
458 { InFront, Error, Error}, //38 - AtTopLeftRearBorder
459 { Error, Error, Error},
460 { InFront, North, West}, //40 - AtBottomRearBorder
461 { InFront, North, West}, //41 - AtBottomRightRearBorder
462 { InFront, North, Error} //42 - AtBottomLeftRearBorder
463 };
464
465 template <int DUMMY>
466 Diff3D NeighborCode3D::StaticData<DUMMY>::d[] = {
467 Diff3D( 0, 0, -1), //InFront
468 Diff3D( 0, -1, 0), //North
469 Diff3D( -1, 0, 0), //West
470 Diff3D( 0, 0, 1), //Behind
471 Diff3D( 0, 1, 0), //South
472 Diff3D( 1, 0, 0) //East
473 };
474
475 template <int DUMMY>
476 Diff3D NeighborCode3D::StaticData<DUMMY>::rd[][6] = {
477 // InFront - North - West - Behind - South - East
478 { Diff3D( 0, 0, 0), Diff3D(0, -1, 1), Diff3D(-1, 0, 1), Diff3D( 0, 0, 2), Diff3D( 0, 1, 1), Diff3D( 1, 0, 1)}, //InFront
479 { Diff3D( 0, 1,-1), Diff3D( 0, 0, 0), Diff3D(-1, 1, 0), Diff3D( 0, 1, 1), Diff3D( 0, 2, 0), Diff3D( 1, 1, 0)}, //North
480 { Diff3D( 1, 0,-1), Diff3D( 1,-1, 0), Diff3D( 0, 0, 0), Diff3D( 1, 0, 1), Diff3D( 1, 1, 0), Diff3D( 2, 0, 0)}, //West
481 { Diff3D( 0, 0,-2), Diff3D( 0,-1,-1), Diff3D(-1, 0,-1), Diff3D( 0, 0, 0), Diff3D( 0, 1,-1), Diff3D( 1, 0,-1)}, //Behind
482 { Diff3D( 0,-1,-1), Diff3D( 0,-2, 0), Diff3D(-1,-1, 0), Diff3D( 0,-1, 1), Diff3D( 0, 0, 0), Diff3D( 1,-1, 0)}, //South
483 { Diff3D(-1, 0,-1), Diff3D(-1,-1, 0), Diff3D(-2, 0, 0), Diff3D(-1, 0, 1), Diff3D(-1, 1, 0), Diff3D( 0, 0, 0) } //East
484 };
485
486 }//namespace Neighborhood3DSix
487
488 /** Export \ref vigra::Neighborhood3DSix::NeighborCode3D into the scope of namespace vigra.
489 */
490 typedef Neighborhood3DSix::NeighborCode3D NeighborCode3DSix;
491
492 /********************************************************/
493 /* */
494 /* Neighborhood3DTwentySix */
495 /* */
496 /********************************************************/
497 /** 3D 26-Neighborhood. */
498 namespace Neighborhood3DTwentySix
499 {
500
501 /** \brief Encapsulation of direction management of neighbors for a 3D 26-neighborhood.
502 */
503 class NeighborCode3D
504 {
505 public:
506
507 typedef Diff3D difference_type;
508
509 /** provides enumeration of all directions.
510 DirectionCount may be used for portable loop termination conditions.
511 */
512 enum Direction {
513 Error = -1,
514 InFrontNorthWest = 0,
515 InFrontNorth,
516 InFrontNorthEast,
517 InFrontWest,
518 InFront,
519 InFrontEast,
520 InFrontSouthWest,
521 InFrontSouth,
522 InFrontSouthEast,
523
524 NorthWest,
525 North,
526 NorthEast,
527 West,
528 East,
529 SouthWest,
530 South,
531 SouthEast,
532
533 BehindNorthWest,
534 BehindNorth,
535 BehindNorthEast,
536 BehindWest,
537 Behind,
538 BehindEast,
539 BehindSouthWest,
540 BehindSouth,
541 BehindSouthEast,
542
543 DirectionCount,
544 CausalFirst = InFrontNorthWest,
545 CausalLast = West,
546 AntiCausalFirst = BehindSouthEast,
547 AntiCausalLast = East,
548
549 InitialDirection = InFrontNorthWest,
550 OppositeDirPrefix = -1,
551 OppositeOffset = 25
552 };
553
554 template <int DUMMY>
555 struct StaticData
556 {
557 static unsigned int b[];
558 static unsigned int c[];
559 static Direction bd[43][26];
560 static Direction bc[43][13];
561 static Diff3D d[];
562 };
563
564 static unsigned int directionBit(Direction d)
565 {
566 return StaticData<0>::b[d];
567 };
568
569
570
571 /** The number of valid neighbors if the current center is at the volume border.
572 */
573 static unsigned int nearBorderDirectionCount(AtVolumeBorder b)
574 {
575 return StaticData<0>::c[b];
576 }
577
578 /** The valid direction codes when the center is at the volume border.
579 \a index must be in the range <tt>0...nearBorderDirectionCount(b)-1</tt>.
580 */
581 static Direction nearBorderDirections(AtVolumeBorder b, int index)
582 {
583 return StaticData<0>::bd[b][index];
584 }
585
586 /** The valid direction three codes in anti causal direction (means: look back in scanline
587 direction)when the center is at the volume border.
588 Should be used with isAtVolumeBorderCausal to determine the Directions, as this
589 avoids using of the nonesense border ids (e.g. 0,1,8,9...) of this table.
590 \a index must be in the range <tt>0...nearBorderDirectionCount(b)-1</tt>.
591 */
592 static Direction nearBorderDirectionsCausal(AtVolumeBorder b, int index)
593 {
594 return StaticData<0>::bc[b][index];
595 }
596
597 /** transform direction code into corresponding Diff3D offset.
598 (note: there is no bounds checking on the code you pass.)
599 */
600 static Diff3D const & diff(Direction code)
601 {
602 return StaticData<0>::d[code];
603 }
604
605 /** Equivalent to <tt>diff(static_cast<Direction>(code))</tt>.
606 (note: there is no bounds checking on the code you pass.)
607 */
608 static Diff3D const & diff(int code) { return diff(static_cast<Direction>(code)); }
609
610 /** Equivalent to <tt>diff(code)[dim]</tt> */
611 static int diff(Direction code, int dim) { return diff(code)[dim]; }
612
613 /** Get the relative offset from one neighbor to the other.
614 For example, <tt>relativeDiff(East, West) == multi_differencetype(-2,0,0)</tt>.
615 (note: there is no bounds checking on the code you pass.)
616 */
617 static Diff3D const relativeDiff(Direction fromCode, Direction toCode)
618 {
619 //Uncomment the following lines may cause the program to crash because of insufficient
620 //static allocatable memory on the stack
621 /*
622 static Diff3D d[][] = {
623 // InFront-NW --- InFront-N --- InFront-NE --- Infront-W --- InFront --- InFront-E --- InFront-SW --- InFront-S --- InFront-SE --- NorthWest --- North --- NorthEast --- West --- East --- SouthWest --- South --- SouthEast --- Behind-NW --- Behind-N --- Behind-NE --- Behind-W --- Behind --- Behind-E --- Behind-SW --- Behind-S --- Behind-SE
624 { Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D( 2, 0, 0), Diff3D( 0, 1, 0), Diff3D( 1, 1, 0), Diff3D( 2, 1, 0), Diff3D( 0, 2, 0), Diff3D( 1, 2, 0), Diff3D( 2, 2, 0), Diff3D( 0, 0, 1), Diff3D( 1, 0, 1), Diff3D( 2, 0, 1), Diff3D( 0, 1, 1), Diff3D( 2, 1, 1), Diff3D( 0, 2, 1), Diff3D( 1, 2, 1), Diff3D( 2, 2, 1), Diff3D( 0, 0, 2), Diff3D( 1, 0, 2), Diff3D( 2, 0, 2), Diff3D( 0, 1, 2), Diff3D( 1, 1, 2), Diff3D( 2, 1, 2), Diff3D( 0, 2, 2), Diff3D( 1, 2, 2), Diff3D( 2, 2, 2) }, //InFront-NW
625 { Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D(-1, 1, 0), Diff3D( 0, 1, 0), Diff3D( 1, 1, 0), Diff3D(-1, 2, 0), Diff3D( 0, 2, 0), Diff3D( 1, 2, 0), Diff3D(-1, 0, 1), Diff3D( 0, 0, 1), Diff3D( 1, 0, 1), Diff3D(-1, 1, 1), Diff3D( 1, 1, 1), Diff3D(-1, 2, 1), Diff3D( 0, 2, 1), Diff3D( 1, 2, 1), Diff3D(-1, 0, 2), Diff3D( 0, 0, 2), Diff3D( 1, 0, 2), Diff3D(-1, 1, 2), Diff3D( 0, 1, 2), Diff3D( 1, 1, 2), Diff3D(-1, 2, 2), Diff3D( 0, 2, 2), Diff3D( 1, 2, 2) }, //InFront-N
626 { Diff3D(-2, 0, 0), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D(-2, 1, 0), Diff3D(-1, 1, 0), Diff3D( 0, 1, 0), Diff3D(-2, 2, 0), Diff3D(-1, 2, 0), Diff3D( 0, 2, 0), Diff3D(-2, 0, 1), Diff3D(-1, 0, 1), Diff3D( 0, 0, 1), Diff3D(-2, 1, 1), Diff3D( 0, 1, 1), Diff3D(-2, 2, 1), Diff3D(-1, 2, 1), Diff3D( 0, 2, 1), Diff3D(-2, 0, 2), Diff3D(-1, 0, 2), Diff3D( 0, 0, 2), Diff3D(-2, 1, 2), Diff3D(-1, 1, 2), Diff3D( 0, 1, 2), Diff3D(-2, 2, 2), Diff3D(-1, 2, 2), Diff3D( 0, 2, 2) }, //InFront-NE
627 { Diff3D(0, -1, 0), Diff3D( 1, -1, 0), Diff3D( 2, -1, 0), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D( 2, 0, 0), Diff3D( 0, 1, 0), Diff3D( 1, 1, 0), Diff3D( 2, 1, 0), Diff3D( 0, -1, 1), Diff3D( 1, -1, 1), Diff3D( 2, -1, 1), Diff3D( 0, 0, 1), Diff3D( 2, 0, 1), Diff3D( 0, 1, 1), Diff3D( 1, 1, 1), Diff3D( 2, 1, 1), Diff3D( 0, -1, 2), Diff3D( 1, -1, 2), Diff3D( 2, -1, 2), Diff3D( 0, 0, 2), Diff3D( 1, 0, 2), Diff3D( 2, 0, 2), Diff3D( 0, 1, 2), Diff3D( 1, 1, 2), Diff3D( 2, 1, 2) }, //Infront-W
628 { Diff3D(-1, -1, 0), Diff3D( 0, -1, 0), Diff3D( 1, -1, 0), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D(-1, 1, 0), Diff3D( 0, 1, 0), Diff3D( 1, 1, 0), Diff3D(-1, -1, 1), Diff3D( 0, -1, 1), Diff3D( 1, -1, 1), Diff3D(-1, 0, 1), Diff3D( 1, 0, 1), Diff3D(-1, 1, 1), Diff3D( 0, 1, 1), Diff3D( 1, 1, 1), Diff3D(-1, -1, 2), Diff3D( 0, -1, 2), Diff3D( 1, -1, 2), Diff3D(-1, 0, 2), Diff3D( 0, 0, 2), Diff3D( 1, 0, 2), Diff3D(-1, 1, 2), Diff3D( 0, 1, 2), Diff3D( 1, 1, 2) }, //InFront
629 { Diff3D(-2, -1, 0), Diff3D(-1, -1, 0), Diff3D( 0, -1, 0), Diff3D(-2, 0, 0), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D(-2, 1, 0), Diff3D(-1, 1, 0), Diff3D( 0, 1, 0), Diff3D(-2, -1, 1), Diff3D(-1, -1, 1), Diff3D( 0, -1, 1), Diff3D(-2, 0, 1), Diff3D( 0, 0, 1), Diff3D(-2, 1, 1), Diff3D(-1, 1, 1), Diff3D( 0, 1, 1), Diff3D(-2, -1, 2), Diff3D(-1, -1, 2), Diff3D( 0, -1, 2), Diff3D(-2, 0, 2), Diff3D(-1, 0, 2), Diff3D( 0, 0, 2), Diff3D(-2, 1, 2), Diff3D(-1, 1, 2), Diff3D( 0, 1, 2) }, //InFront-E
630 { Diff3D( 0, -2, 0), Diff3D( 1, -2, 0), Diff3D( 2, -2, 0), Diff3D( 0, -1, 0), Diff3D( 1, -1, 0), Diff3D( 2, -1, 0), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D( 2, 0, 0), Diff3D( 0, -2, 1), Diff3D( 1, -2, 1), Diff3D( 2, -2, 1), Diff3D( 0, -1, 1), Diff3D( 2, -1, 1), Diff3D( 0, 0, 1), Diff3D( 1, 0, 1), Diff3D( 2, 0, 1), Diff3D( 0, -2, 2), Diff3D( 1, -2, 2), Diff3D( 2, -2, 2), Diff3D( 0, -1, 2), Diff3D( 1, -1, 2), Diff3D( 2, -1, 2), Diff3D( 0, 0, 2), Diff3D( 1, 0, 2), Diff3D( 2, 0, 2) }, //InFront-SW
631 { Diff3D(-1, -2, 0), Diff3D( 0, -2, 0), Diff3D( 1, -2, 0), Diff3D(-1, -1, 0), Diff3D( 0, -1, 0), Diff3D( 1, -1, 0), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D(-1, -2, 1), Diff3D( 0, -2, 1), Diff3D( 1, -2, 1), Diff3D(-1, -1, 1), Diff3D( 1, -1, 1), Diff3D(-1, 0, 1), Diff3D( 0, 0, 1), Diff3D( 1, 0, 1), Diff3D(-1, -2, 2), Diff3D( 0, -2, 2), Diff3D( 1, -2, 2), Diff3D(-1, -1, 2), Diff3D( 0, -1, 2), Diff3D( 1, -1, 2), Diff3D(-1, 0, 2), Diff3D( 0, 0, 2), Diff3D( 1, 0, 2) }, //InFront-S
632 { Diff3D(-2, -2, 0), Diff3D(-1, -2, 0), Diff3D( 0, -2, 0), Diff3D(-2, -1, 0), Diff3D(-1, -1, 0), Diff3D( 0, -1, 0), Diff3D(-2, 0, 0), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D(-2, -2, 1), Diff3D(-1, -2, 1), Diff3D( 0, -2, 1), Diff3D(-2, -1, 1), Diff3D( 0, -1, 1), Diff3D(-2, 0, 1), Diff3D(-1, 0, 1), Diff3D( 0, 0, 1), Diff3D(-2, -2, 2), Diff3D(-1, -2, 2), Diff3D( 0, -2, 2), Diff3D(-2, -1, 2), Diff3D(-1, -1, 2), Diff3D( 0, -1, 2), Diff3D(-2, 0, 2), Diff3D(-1, 0, 2), Diff3D( 0, 0, 2) }, //InFront-SE
633 { Diff3D( 0, 0, -1), Diff3D( 1, 0, -1), Diff3D( 2, 0, -1), Diff3D( 0, 1, -1), Diff3D( 1, 1, -1), Diff3D( 2, 1, -1), Diff3D( 0, 2, -1), Diff3D( 1, 2, -1), Diff3D( 2, 2, -1), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D( 2, 0, 0), Diff3D( 0, 1, 0), Diff3D( 2, 1, 0), Diff3D( 0, 2, 0), Diff3D( 1, 2, 0), Diff3D( 2, 2, 0), Diff3D( 0, 0, 1), Diff3D( 1, 0, 1), Diff3D( 2, 0, 1), Diff3D( 0, 1, 1), Diff3D( 1, 1, 1), Diff3D( 2, 1, 1), Diff3D( 0, 2, 1), Diff3D( 1, 2, 1), Diff3D( 2, 2, 1) }, //NorthWest
634 { Diff3D(-1, 0, -1), Diff3D( 0, 0, -1), Diff3D( 1, 0, -1), Diff3D(-1, 1, -1), Diff3D( 0, 1, -1), Diff3D( 1, 1, -1), Diff3D(-1, 2, -1), Diff3D( 0, 2, -1), Diff3D( 1, 2, -1), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D(-1, 1, 0), Diff3D( 1, 1, 0), Diff3D(-1, 2, 0), Diff3D( 0, 2, 0), Diff3D( 1, 2, 0), Diff3D(-1, 0, 1), Diff3D( 0, 0, 1), Diff3D( 1, 0, 1), Diff3D(-1, 1, 1), Diff3D( 0, 1, 1), Diff3D( 1, 1, 1), Diff3D(-1, 2, 1), Diff3D( 0, 2, 1), Diff3D( 1, 2, 1) }, //North
635 { Diff3D(-2, 0, -1), Diff3D(-1, 0, -1), Diff3D( 0, 0, -1), Diff3D(-2, 1, -1), Diff3D(-1, 1, -1), Diff3D( 0, 1, -1), Diff3D(-2, 2, -1), Diff3D(-1, 2, -1), Diff3D( 0, 2, -1), Diff3D(-2, 0, 0), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D(-2, 1, 0), Diff3D( 0, 1, 0), Diff3D(-2, 2, 0), Diff3D(-1, 2, 0), Diff3D( 0, 2, 0), Diff3D(-2, 0, 1), Diff3D(-1, 0, 1), Diff3D( 0, 0, 1), Diff3D(-2, 1, 1), Diff3D(-1, 1, 1), Diff3D( 0, 1, 1), Diff3D(-2, 2, 1), Diff3D(-1, 2, 1), Diff3D( 0, 2, 1) }, //NortEast
636 { Diff3D( 0, -1, -1), Diff3D( 1, -1, -1), Diff3D( 2, -1, -1), Diff3D( 0, 0, -1), Diff3D( 1, 0, -1), Diff3D( 2, 0, -1), Diff3D( 0, 1, -1), Diff3D( 1, 1, -1), Diff3D( 2, 1, -1), Diff3D( 0, -1, 0), Diff3D( 1, -1, 0), Diff3D( 2, -1, 0), Diff3D( 0, 0, 0), Diff3D( 2, 0, 0), Diff3D( 0, 1, 0), Diff3D( 1, 1, 0), Diff3D( 2, 1, 0), Diff3D( 0, -1, 1), Diff3D( 1, -1, 1), Diff3D( 2, -1, 1), Diff3D( 0, 0, 1), Diff3D( 1, 0, 1), Diff3D( 2, 0, 1), Diff3D( 0, 1, 1), Diff3D( 1, 1, 1), Diff3D( 2, 1, 1) }, //West
637 { Diff3D(-2, -1, -1), Diff3D(-1, -1, -1), Diff3D( 0, -1, -1), Diff3D(-2, 0, -1), Diff3D(-1, 0, -1), Diff3D( 0, 0, -1), Diff3D(-2, 1, -1), Diff3D(-1, 1, -1), Diff3D( 0, 1, -1), Diff3D(-2, -1, 0), Diff3D(-1, -1, 0), Diff3D( 0, -1, 0), Diff3D(-2, 0, 0), Diff3D( 0, 0, 0), Diff3D(-2, 1, 0), Diff3D(-1, 1, 0), Diff3D( 0, 1, 0), Diff3D(-2, -1, 1), Diff3D(-1, -1, 1), Diff3D( 0, -1, 1), Diff3D(-2, 0, 1), Diff3D(-1, 0, 1), Diff3D( 0, 0, 1), Diff3D(-2, 1, 1), Diff3D(-1, 1, 1), Diff3D( 0, 1, 1) }, //East
638 { Diff3D( 0, -2, -1), Diff3D( 1, -2, -1), Diff3D( 2, -2, -1), Diff3D( 0, -1, -1), Diff3D( 1, -1, -1), Diff3D( 2, -1, -1), Diff3D( 0, 0, -1), Diff3D( 1, 0, -1), Diff3D( 2, 0, -1), Diff3D( 0, -2, 0), Diff3D( 1, -2, 0), Diff3D( 2, -2, 0), Diff3D( 0, -1, 0), Diff3D( 2, -1, 0), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D( 2, 0, 0), Diff3D( 0, -2, 1), Diff3D( 1, -2, 1), Diff3D( 2, -2, 1), Diff3D( 0, -1, 1), Diff3D( 1, -1, 1), Diff3D( 2, -1, 1), Diff3D( 0, 0, 1), Diff3D( 1, 0, 1), Diff3D( 2, 0, 1) }, //SouthWest
639 { Diff3D(-1, -2, -1), Diff3D( 0, -2, -1), Diff3D( 1, -2, -1), Diff3D(-1, -1, -1), Diff3D( 0, -1, -1), Diff3D( 1, -1, -1), Diff3D(-1, 0, -1), Diff3D( 0, 0, -1), Diff3D( 1, 0, -1), Diff3D(-1, -2, 0), Diff3D( 0, -2, 0), Diff3D( 1, -2, 0), Diff3D(-1, -1, 0), Diff3D( 1, -1, 0), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D(-1, -2, 1), Diff3D( 0, -2, 1), Diff3D( 1, -2, 1), Diff3D(-1, -1, 1), Diff3D( 0, -1, 1), Diff3D( 1, -1, 1), Diff3D(-1, 0, 1), Diff3D( 0, 0, 1), Diff3D( 1, 0, 1) }, //South
640 { Diff3D(-2, -2, -1), Diff3D(-1, -2, -1), Diff3D( 0, -2, -1), Diff3D(-2, -1, -1), Diff3D(-1, -1, -1), Diff3D( 0, -1, -1), Diff3D(-2, 0, -1), Diff3D(-1, 0, -1), Diff3D( 0, 0, -1), Diff3D(-2, -2, 0), Diff3D(-1, -2, 0), Diff3D( 0, -2, 0), Diff3D(-2, -1, 0), Diff3D( 0, -1, 0), Diff3D(-2, 0, 0), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D(-2, -2, 1), Diff3D(-1, -2, 1), Diff3D( 0, -2, 1), Diff3D(-2, -1, 1), Diff3D(-1, -1, 1), Diff3D( 0, -1, 1), Diff3D(-2, 0, 1), Diff3D(-1, 0, 1), Diff3D( 0, 0, 1) }, //SouthEast
641 { Diff3D( 0, 0, -2), Diff3D( 1, 0, -2), Diff3D( 2, 0, -2), Diff3D( 0, 1, -2), Diff3D( 1, 1, -2), Diff3D( 2, 1, -2), Diff3D( 0, 2, -2), Diff3D( 1, 2, -2), Diff3D( 2, 2, -2), Diff3D( 0, 0, -1), Diff3D( 1, 0, -1), Diff3D( 2, 0, -1), Diff3D( 0, 1, -1), Diff3D( 2, 1, -1), Diff3D( 0, 2, -1), Diff3D( 1, 2, -1), Diff3D( 2, 2, -1), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D( 2, 0, 0), Diff3D( 0, 1, 0), Diff3D( 1, 1, 0), Diff3D( 2, 1, 0), Diff3D( 0, 2, 0), Diff3D( 1, 2, 0), Diff3D( 2, 2, 0) }, //Behind-NW
642 { Diff3D(-1, 0, -2), Diff3D( 0, 0, -2), Diff3D( 1, 0, -2), Diff3D(-1, 1, -2), Diff3D( 0, 1, -2), Diff3D( 1, 1, -2), Diff3D(-1, 2, -2), Diff3D( 0, 2, -2), Diff3D( 1, 2, -2), Diff3D(-1, 0, -1), Diff3D( 0, 0, -1), Diff3D( 1, 0, -1), Diff3D(-1, 1, -1), Diff3D( 1, 1, -1), Diff3D(-1, 2, -1), Diff3D( 0, 2, -1), Diff3D( 1, 2, -1), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D(-1, 1, 0), Diff3D( 0, 1, 0), Diff3D( 1, 1, 0), Diff3D(-1, 2, 0), Diff3D( 0, 2, 0), Diff3D( 1, 2, 0) }, //Behind-N
643 { Diff3D(-2, 0, -2), Diff3D(-1, 0, -2), Diff3D( 0, 0, -2), Diff3D(-2, 1, -2), Diff3D(-1, 1, -2), Diff3D( 0, 1, -2), Diff3D(-2, 2, -2), Diff3D(-1, 2, -2), Diff3D( 0, 2, -2), Diff3D(-2, 0, -1), Diff3D(-1, 0, -1), Diff3D( 0, 0, -1), Diff3D(-2, 1, -1), Diff3D( 0, 1, -1), Diff3D(-2, 2, -1), Diff3D(-1, 2, -1), Diff3D( 0, 2, -1), Diff3D(-2, 0, 0), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D(-2, 1, 0), Diff3D(-1, 1, 0), Diff3D( 0, 1, 0), Diff3D(-2, 2, 0), Diff3D(-1, 2, 0), Diff3D( 0, 2, 0) }, //Behind-NE
644 { Diff3D( 0, -1, -2), Diff3D( 1, -1, -2), Diff3D( 2, -1, -2), Diff3D( 0, 0, -2), Diff3D( 1, 0, -2), Diff3D( 2, 0, -2), Diff3D( 0, 1, -2), Diff3D( 1, 1, -2), Diff3D( 2, 1, -2), Diff3D( 0, -1, -1), Diff3D( 1, -1, -1), Diff3D( 2, -1, -1), Diff3D( 0, 0, -1), Diff3D( 2, 0, -1), Diff3D( 0, 1, -1), Diff3D( 1, 1, -1), Diff3D( 2, 1, -1), Diff3D( 0, -1, 0), Diff3D( 1, -1, 0), Diff3D( 2, -1, 0), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D( 2, 0, 0), Diff3D( 0, 1, 0), Diff3D( 1, 1, 0), Diff3D( 2, 1, 0) }, //Behind-W
645 { Diff3D(-1, -1, -2), Diff3D( 0, -1, -2), Diff3D( 1, -1, -2), Diff3D(-1, 0, -2), Diff3D( 0, 0, -2), Diff3D( 1, 0, -2), Diff3D(-1, 1, -2), Diff3D( 0, 1, -2), Diff3D( 1, 1, -2), Diff3D(-1, -1, -1), Diff3D( 0, -1, -1), Diff3D( 1, -1, -1), Diff3D(-1, 0, -1), Diff3D( 1, 0, -1), Diff3D(-1, 1, -1), Diff3D( 0, 1, -1), Diff3D( 1, 1, -1), Diff3D(-1, -1, 0), Diff3D( 0, -1, 0), Diff3D( 1, -1, 0), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D(-1, 1, 0), Diff3D( 0, 1, 0), Diff3D( 1, 1, 0) }, //Behind
646 { Diff3D(-2, -1, -2), Diff3D(-1, -1, -2), Diff3D( 0, -1, -2), Diff3D(-2, 0, -2), Diff3D(-1, 0, -2), Diff3D( 0, 0, -2), Diff3D(-2, 1, -2), Diff3D(-1, 1, -2), Diff3D( 0, 1, -2), Diff3D(-2, -1, -1), Diff3D(-1, -1, -1), Diff3D( 0, -1, -1), Diff3D(-2, 0, -1), Diff3D( 0, 0, -1), Diff3D(-2, 1, -1), Diff3D(-1, 1, -1), Diff3D( 0, 1, -1), Diff3D(-2, -1, 0), Diff3D(-1, -1, 0), Diff3D( 0, -1, 0), Diff3D(-2, 0, 0), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D(-2, 1, 0), Diff3D(-1, 1, 0), Diff3D( 0, 1, 0) }, //Behind-E
647 { Diff3D( 0, -2, -2), Diff3D( 1, -2, -2), Diff3D( 2, -2, -2), Diff3D( 0, -1, -2), Diff3D( 1, -1, -2), Diff3D( 2, -1, -2), Diff3D( 0, 0, -2), Diff3D( 1, 0, -2), Diff3D( 2, 0, -2), Diff3D( 0, -2, -1), Diff3D( 1, -2, -1), Diff3D( 2, -2, -1), Diff3D( 0, -1, -1), Diff3D( 2, -1, -1), Diff3D( 0, 0, -1), Diff3D( 1, 0, -1), Diff3D( 2, 0, -1), Diff3D( 0, -2, 0), Diff3D( 1, -2, 0), Diff3D( 2, -2, 0), Diff3D( 0, -1, 0), Diff3D( 1, -1, 0), Diff3D( 2, -1, 0), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0), Diff3D( 2, 0, 0) }, //Behind-SW
648 { Diff3D(-1, -2, -2), Diff3D( 0, -2, -2), Diff3D( 1, -2, -2), Diff3D(-1, -1, -2), Diff3D( 0, -1, -2), Diff3D( 1, -1, -2), Diff3D(-1, 0, -2), Diff3D( 0, 0, -2), Diff3D( 1, 0, -2), Diff3D(-1, -2, -1), Diff3D( 0, -2, -1), Diff3D( 1, -2, -1), Diff3D(-1, -1, -1), Diff3D( 1, -1, -1), Diff3D(-1, 0, -1), Diff3D( 0, 0, -1), Diff3D( 1, 0, -1), Diff3D(-1, -2, 0), Diff3D( 0, -2, 0), Diff3D( 1, -2, 0), Diff3D(-1, -1, 0), Diff3D( 0, -1, 0), Diff3D( 1, -1, 0), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0), Diff3D( 1, 0, 0) }, //Behind-S
649 { Diff3D(-2, -2, -2), Diff3D(-1, -2, -2), Diff3D( 0, -2, -2), Diff3D(-2, -1, -2), Diff3D(-1, -1, -2), Diff3D( 0, -1, -2), Diff3D(-2, 0, -2), Diff3D(-1, 0, -2), Diff3D( 0, 0, -2), Diff3D(-2, -2, -1), Diff3D(-1, -2, -1), Diff3D( 0, -2, -1), Diff3D(-2, -1, -1), Diff3D( 0, -1, -1), Diff3D(-2, 0, -1), Diff3D(-1, 0, -1), Diff3D( 0, 0, -1), Diff3D(-2, -2, 0), Diff3D(-1, -2, 0), Diff3D( 0, -2, 0), Diff3D(-2, -1, 0), Diff3D(-1, -1, 0), Diff3D( 0, -1, 0), Diff3D(-2, 0, 0), Diff3D(-1, 0, 0), Diff3D( 0, 0, 0) } //Behind-SE
650 };
651 return d[fromCode][toCode];
652 */
653 return diff(toCode)-diff(fromCode);
654 }
655
656 /** Equivalent to relativeDiff(static_cast<Direction>(fromCode), static_cast<Direction>(toCode)).
657 (note: there is no bounds checking on the code you pass.)
658 */
659 static Diff3D const relativeDiff(int fromCode, int toCode)
660 {
661 return relativeDiff(static_cast<Direction>(fromCode), static_cast<Direction>(toCode));
662 }
663
664 /** X-component of diff() */
665 static int dX(Direction code) { return diff(code)[0]; }
666 /** Y-component of diff() */
667 static int dY(Direction code) { return diff(code)[1]; }
668 /** Z-component of diff() */
669 static int dZ(Direction code) { return diff(code)[2]; }
670
671 /** X-component of diff() */
672 static int dX(int code) { return diff(code)[0]; }
673 /** Y-component of diff() */
674 static int dY(int code) { return diff(code)[1]; }
675 /** Z-component of diff() */
676 static int dZ(int code) { return diff(code)[2]; }
677
678 /** transform 6-neighborhood code into 26-neighborhood code.
679 */
680 static Direction code(Neighborhood3DSix::Direction d)
681 {
682 switch (d){
683 case Neighborhood3DSix::InFront :
684 return InFront;
685 case Neighborhood3DSix::North :
686 return North;
687 case Neighborhood3DSix::West :
688 return West;
689 case Neighborhood3DSix::East :
690 return East;
691 case Neighborhood3DSix::South :
692 return South;
693 case Neighborhood3DSix::Behind :
694 return Behind;
695 default:
696 vigra_fail("NeighborCode3D::code(): Internal error -- invalid direction code.");
697 }
698 return Error;
699 }
700
701 /** transform Diff3D offset into corresponding direction code.
702 The code <tt>Direction::Error</tt> will be returned if <tt>diff</tt>
703 is not in the 3DTwentySix-Neighborhood.
704 */
705 static Direction code(Diff3D const & diff)
706 {
707 switch(diff[0]){
708 case -1:
709 switch(diff[1]){
710 case -1:
711 switch(diff[2]){
712 case -1: return InFrontNorthWest; // ( -1, -1, -1)
713 case 0: return NorthWest; // ( -1, -1, 0)
714 case 1: return BehindNorthWest; // ( -1, -1, 1)
715 }
716 case 0:
717 switch(diff[2]){
718 case -1: return InFrontWest; // ( -1, 0, -1)
719 case 0: return West; // ( -1, 0, 0)
720 case 1: return BehindWest; // ( -1, 0, 1)
721 }
722 case 1:
723 switch(diff[2]){
724 case -1: return InFrontSouthWest; // ( -1, 1, -1)
725 case 0: return SouthWest; // ( -1, 1, 0)
726 case 1: return BehindSouthWest; // ( -1, 1, 1)
727 }
728 }
729 case 0:
730 switch(diff[1]){
731 case -1:
732 switch(diff[2]){
733 case -1: return InFrontNorth; // ( 0, 0, -1)
734 case 0: return North; // ( 0, -1, 0)
735 case 1: return BehindNorth; // ( 0, -1, 1)
736 }
737 case 0:
738 switch(diff[2]){
739 case -1: return InFront; // ( 0, 0, -1)
740 case 1: return Behind; // ( 0, 0, 1)
741 }
742 case 1:
743 switch(diff[2]){
744 case -1: return InFrontSouth; // ( 0, 1, -1)
745 case 0: return South; // ( 0, 1, 0)
746 case 1: return BehindSouth; // ( 0, 1, 1)
747 }
748 }
749 case 1:
750 switch(diff[1]){
751 case -1:
752 switch(diff[2]){
753 case -1: return InFrontNorthEast; // ( 1, -1, -1)
754 case 0: return NorthEast; // ( 1, -1, 0)
755 case 1: return BehindNorthEast; // ( 1, -1, 1)
756 }
757 case 0:
758 switch(diff[2]){
759 case -1: return InFrontEast; // ( 1, 0, -1)
760 case 0: return East; // ( 1, 0, 0)
761 case 1: return BehindEast; // ( 1, 0, 1)
762 }
763 case 1:
764 switch(diff[2]){
765 case -1: return InFrontSouthEast; // ( 1, 1, -1)
766 case 0: return SouthEast; // ( 1, 1, 0)
767 case 1: return BehindSouthEast; // ( 1, 1, 1)
768 }
769 }
770 }
771 return Error; // better safe than sorry
772 }
773
774 /** Check whether a code refers to a diagonal direction.
775 Useful if you want to abstract the differences between 6- and 26-neighborhood.
776 Always <tt>false</tt> for 6-neighborhood.
777 */
778 static bool isDiagonal(Direction dir) {
779 Diff3D d = diff(dir);
780 if (abs(d[0])+abs(d[1])+abs(d[2])==1)
781 return false;
782 else
783 return true;
784 }
785
786 static Diff3D const & frontTopLeft() { return diff(InFrontNorthWest); } /**< Offset to the front-top-left neighbor */
787 static Diff3D const & frontTop() { return diff(InFrontNorth); } /**< Offset to the front-top neighbor */
788 static Diff3D const & frontTopRight() { return diff(InFrontNorthEast); } /**< Offset to the front-top-right neighbor */
789 static Diff3D const & frontLeft() { return diff(InFrontWest); } /**< Offset to the front-left neighbor */
790 static Diff3D const & front() { return diff(InFront); } /**< Offset to the front neighbor */
791 static Diff3D const & frontRight() { return diff(InFrontEast); } /**< Offset to the front-right neighbor */
792 static Diff3D const & frontBottomLeft() { return diff(InFrontSouthWest); } /**< Offset to the front-bottom-left neighbor */
793 static Diff3D const & frontBottom() { return diff(InFrontSouth); } /**< Offset to the front-bottom neighbor */
794 static Diff3D const & frontBottomRight() { return diff(InFrontSouthEast); } /**< Offset to the front-bottom-right neighbor */
795
796 static Diff3D const & topLeft() { return diff(NorthWest); } /**< Offset to the top-left neighbor */
797 static Diff3D const & top() { return diff(North); } /**< Offset to the top neighbor */
798 static Diff3D const & topRight() { return diff(NorthEast); } /**< Offset to the top-right neighbor */
799 static Diff3D const & left() { return diff(West); } /**< Offset to the left neighbor */
800 static Diff3D const & right() { return diff(East); } /**< Offset to the right neighbor */
801 static Diff3D const & bottomLeft() { return diff(SouthWest); } /**< Offset to the bottom-left neighbor */
802 static Diff3D const & bottom() { return diff(South); } /**< Offset to the bottom neighbor */
803 static Diff3D const & bottomRight() { return diff(SouthEast); } /**< Offset to the bottom-right neighbor */
804
805 static Diff3D const & rearTopLeft() { return diff(BehindNorthWest); } /**< Offset to the rear-top-left neighbor */
806 static Diff3D const & rearTop() { return diff(BehindNorth); } /**< Offset to the rear-top neighbor */
807 static Diff3D const & rearTopRight() { return diff(BehindNorthEast); } /**< Offset to the rear-top-right neighbor */
808 static Diff3D const & rearLeft() { return diff(BehindWest); } /**< Offset to the rear-left neighbor */
809 static Diff3D const & rear() { return diff(Behind); } /**< Offset to the rear neighbor */
810 static Diff3D const & rearRight() { return diff(BehindEast); } /**< Offset to the rear-right neighbor */
811 static Diff3D const & rearBottomLeft() { return diff(BehindSouthWest); } /**< Offset to the rear-bottom-left neighbor */
812 static Diff3D const & rearBottom() { return diff(BehindSouth); } /**< Offset to the rear-bottom neighbor */
813 static Diff3D const & rearBottomRight() { return diff(BehindSouthEast); } /**< Offset to the rear-bottom-right neighbor */
814
815 //----- other namings
816
817 static Diff3D const & infrontNorthWest() { return diff(InFrontNorthWest); } /**< Offset to the infront-north-west neighbor */
818 static Diff3D const & infrontNorth() { return diff(InFrontNorth); } /**< Offset to the infront-north neighbor */
819 static Diff3D const & infrontNorthEast() { return diff(InFrontNorthEast); } /**< Offset to the infront-north-east neighbor */
820 static Diff3D const & infrontWest() { return diff(InFrontWest); } /**< Offset to the infront-west neighbor */
821 static Diff3D const & infront() { return diff(InFront); } /**< Offset to the infront neighbor */
822 static Diff3D const & infrontEast() { return diff(InFrontEast); } /**< Offset to the infront-east neighbor */
823 static Diff3D const & infrontSouthWest() { return diff(InFrontSouthWest); } /**< Offset to the infront-south-west neighbor */
824 static Diff3D const & infrontSouth() { return diff(InFrontSouth); } /**< Offset to the infront-south neighbor */
825 static Diff3D const & infrontSouthEast() { return diff(InFrontSouthEast); } /**< Offset to the infront-south-east neighbor */
826
827 static Diff3D const & northWest() { return diff(NorthWest); } /**< Offset to the north-west neighbor */
828 static Diff3D const & north() { return diff(North); } /**< Offset to the north neighbor */
829 static Diff3D const & northEast() { return diff(NorthEast); } /**< Offset to the north-east neighbor */
830 static Diff3D const & west() { return diff(West); } /**< Offset to the west neighbor */
831 static Diff3D const & east() { return diff(East); } /**< Offset to the right neighbor */
832 static Diff3D const & southWest() { return diff(SouthWest); } /**< Offset to the south-west neighbor */
833 static Diff3D const & south() { return diff(South); } /**< Offset to the south neighbor */
834 static Diff3D const & southEast() { return diff(SouthEast); } /**< Offset to the south-east neighbor */
835
836 static Diff3D const & behindNorthWest() { return diff(BehindNorthWest); } /**< Offset to the behind-north-west neighbor */
837 static Diff3D const & behindNorth() { return diff(BehindNorth); } /**< Offset to the behind-north neighbor */
838 static Diff3D const & behindNorthEast() { return diff(BehindNorthEast); } /**< Offset to the behind-north-east neighbor */
839 static Diff3D const & behindEast() { return diff(BehindWest); } /**< Offset to the behind-west neighbor */
840 static Diff3D const & behind() { return diff(Behind); } /**< Offset to the behind neighbor */
841 static Diff3D const & behindWest() { return diff(BehindEast); } /**< Offset to the behind-right neighbor */
842 static Diff3D const & behindSouthWest() { return diff(BehindSouthWest); } /**< Offset to the behind-south-west neighbor */
843 static Diff3D const & behindSouth() { return diff(BehindSouth); } /**< Offset to the behind-south neighbor */
844 static Diff3D const & behindSouthEast() { return diff(BehindSouthEast); } /**< Offset to the behind-south-east neighbor */
845 }; // class Neighborhood3D
846
847
848 /** Export NeighborCode3D::Direction into the scope of namespace Neighborhood3DSix.
849 */
850 typedef NeighborCode3D::Direction Direction;
851
852 static const Direction InFrontNorthWest = NeighborCode3D::InFrontNorthWest; /**< Export NeighborCode3D::InFrontNorthWest to namespace Neighborhood3DTwentySix */
853 static const Direction InFrontNorth = NeighborCode3D::InFrontNorth; /**< Export NeighborCode3D::InFrontNorth to namespace Neighborhood3DTwentySix */
854 static const Direction InFrontNorthEast = NeighborCode3D::InFrontNorthEast; /**< Export NeighborCode3D::InFrontNorthEast to namespace Neighborhood3DTwentySix */
855 static const Direction InFrontWest = NeighborCode3D::InFrontWest; /**< Export NeighborCode3D::InFrontWest to namespace Neighborhood3DTwentySix */
856 static const Direction InFront = NeighborCode3D::InFront; /**< Export NeighborCode3D::InFront to namespace Neighborhood3DTwentySix */
857 static const Direction InFrontEast = NeighborCode3D::InFrontEast; /**< Export NeighborCode3D::InFrontEast to namespace Neighborhood3DTwentySix */
858 static const Direction InFrontSouthWest = NeighborCode3D::InFrontSouthWest; /**< Export NeighborCode3D::InFrontSouthWest to namespace Neighborhood3DTwentySix */
859 static const Direction InFrontSouth = NeighborCode3D::InFrontSouth; /**< Export NeighborCode3D::InFrontSouth to namespace Neighborhood3DTwentySix */
860 static const Direction InFrontSouthEast = NeighborCode3D::InFrontSouthEast; /**< Export NeighborCode3D::InFrontSouthEast to namespace Neighborhood3DTwentySix */
861
862 static const Direction NorthWest = NeighborCode3D::NorthWest; /**< Export NeighborCode3D::NorthWest to namespace Neighborhood3DTwentySix */
863 static const Direction North = NeighborCode3D::North; /**< Export NeighborCode3D::North to namespace Neighborhood3DTwentySix */
864 static const Direction NorthEast = NeighborCode3D::NorthEast; /**< Export NeighborCode3D::NorthEast to namespace Neighborhood3DTwentySix */
865 static const Direction West = NeighborCode3D::West; /**< Export NeighborCode3D::West to namespace Neighborhood3DTwentySix */
866 static const Direction East = NeighborCode3D::East; /**< Export NeighborCode3D::East to namespace Neighborhood3DTwentySix */
867 static const Direction SouthWest = NeighborCode3D::SouthWest; /**< Export NeighborCode3D::SouthWest to namespace Neighborhood3DTwentySix */
868 static const Direction South = NeighborCode3D::South; /**< Export NeighborCode3D::South to namespace Neighborhood3DTwentySix */
869 static const Direction SouthEast = NeighborCode3D::SouthEast; /**< Export NeighborCode3D::SouthEast to namespace Neighborhood3DTwentySix */
870
871 static const Direction BehindNorthWest = NeighborCode3D::BehindNorthWest; /**< Export NeighborCode3D::BehindNorthWest to namespace Neighborhood3DTwentySix */
872 static const Direction BehindNorth = NeighborCode3D::BehindNorth; /**< Export NeighborCode3D::BehindNorth to namespace Neighborhood3DTwentySix */
873 static const Direction BehindNorthEast = NeighborCode3D::BehindNorthEast; /**< Export NeighborCode3D::BehindNorthEast to namespace Neighborhood3DTwentySix */
874 static const Direction BehindWest = NeighborCode3D::BehindWest; /**< Export NeighborCode3D::BehindWest to namespace Neighborhood3DTwentySix */
875 static const Direction Behind = NeighborCode3D::Behind; /**< Export NeighborCode3D::Behind to namespace Neighborhood3DTwentySix */
876 static const Direction BehindEast = NeighborCode3D::BehindEast; /**< Export NeighborCode3D::BehindEast to namespace Neighborhood3DTwentySix */
877 static const Direction BehindSouthWest = NeighborCode3D::BehindSouthWest; /**< Export NeighborCode3D::BehindSouthWest to namespace Neighborhood3DTwentySix */
878 static const Direction BehindSouth = NeighborCode3D::BehindSouth; /**< Export NeighborCode3D::BehindSouth to namespace Neighborhood3DTwentySix */
879 static const Direction BehindSouthEast = NeighborCode3D::BehindSouthEast; /**< Export NeighborCode3D::BehindSouthEast to namespace Neighborhood3DTwentySix */
880
881 static const Direction DirectionCount = NeighborCode3D::DirectionCount; /**< Export NeighborCode3D::DirectionCount to namespace Neighborhood3DTwentySix */
882
883 template <int DUMMY>
884 unsigned int NeighborCode3D::StaticData<DUMMY>::b[] = {
885 1 << InFrontNorthWest,
886 1 << InFrontNorth,
887 1 << InFrontNorthEast,
888 1 << InFrontWest,
889 1 << InFront,
890 1 << InFrontEast,
891 1 << InFrontSouthWest,
892 1 << InFrontSouth,
893 1 << InFrontSouthEast,
894
895 1 << NorthWest,
896 1 << North,
897 1 << NorthEast,
898 1 << West,
899 1 << East,
900 1 << SouthWest,
901 1 << South,
902 1 << SouthEast,
903
904 1 << BehindNorthWest,
905 1 << BehindNorth,
906 1 << BehindNorthEast,
907 1 << BehindWest,
908 1 << Behind,
909 1 << BehindEast,
910 1 << BehindSouthWest,
911 1 << BehindSouth,
912 1 << BehindSouthEast
913 };
914
915 template <int DUMMY>
916 unsigned int NeighborCode3D::StaticData<DUMMY>::c[] = {
917 26, 17, 17, 0, 17, 11, 11, 0, 17, 11,
918 11, 0, 0, 0, 0, 0, 17, 11, 11, 0,
919 11, 7, 7, 0, 11, 7, 7, 0, 0, 0,
920 0, 0, 17, 11, 11, 0, 11, 7, 7, 0,
921 11, 7, 7};
922
923 template <int DUMMY>
924 Direction NeighborCode3D::StaticData<DUMMY>::bd[43][26] = {
925 //0 - NotAtBorder
926 { InFrontNorthWest, InFrontNorth, InFrontNorthEast,
927 InFrontWest, InFront, InFrontEast,
928 InFrontSouthWest, InFrontSouth, InFrontSouthEast,
929
930 NorthWest, North, NorthEast,
931 West, East,
932 SouthWest, South, SouthEast,
933
934 BehindNorthWest, BehindNorth, BehindNorthEast,
935 BehindWest, Behind, BehindEast,
936 BehindSouthWest, BehindSouth, BehindSouthEast},
937 //1 - AtRightBorder
938 { InFrontNorthWest, InFrontNorth, /*InFrontNorthEast,*/
939 InFrontWest, InFront, /*InFrontEast,*/
940 InFrontSouthWest, InFrontSouth, /*InFrontSouthEast,*/
941
942 NorthWest, North, /*NorthEast,*/
943 West, /*East,*/
944 SouthWest, South, /*SouthEast,*/
945
946 BehindNorthWest, BehindNorth, /*BehindNorthEast,*/
947 BehindWest, Behind, /*BehindEast,*/
948 BehindSouthWest, BehindSouth, /*BehindSouthEast,*/
949 Error, Error, Error, Error, Error, Error, Error, Error, Error},
950 //2 - AtLeftBorder
951 { /*InFrontNorthWest,*/ InFrontNorth, InFrontNorthEast,
952 /*InFrontWest,*/ InFront, InFrontEast,
953 /*InFrontSouthWest,*/ InFrontSouth, InFrontSouthEast,
954
955 /*NorthWest,*/ North, NorthEast,
956 /*West,*/ East,
957 /*SouthWest,*/ South, SouthEast,
958
959 /*BehindNorthWest,*/ BehindNorth, BehindNorthEast,
960 /*BehindWest,*/ Behind, BehindEast,
961 /*BehindSouthWest,*/ BehindSouth, BehindSouthEast,
962 Error, Error, Error, Error, Error, Error, Error, Error, Error},
963 //3 - Nothin'
964 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
965 Error, Error, Error, Error, Error, Error, Error, Error,
966 Error, Error, Error, Error, Error, Error, Error, Error, Error},
967 //4 - AtTopBorder
968 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,*/
969 InFrontWest, InFront, InFrontEast,
970 InFrontSouthWest, InFrontSouth, InFrontSouthEast,
971
972 /*NorthWest, North, NorthEast,*/
973 West, East,
974 SouthWest, South, SouthEast,
975
976 /*BehindNorthWest, BehindNorth, BehindNorthEast,*/
977 BehindWest, Behind, BehindEast,
978 BehindSouthWest, BehindSouth, BehindSouthEast,
979 Error, Error, Error, Error, Error, Error, Error, Error, Error},
980 //5 - AtTopRightBorder
981 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,*/
982 InFrontWest, InFront, /*InFrontEast,*/
983 InFrontSouthWest, InFrontSouth, /*InFrontSouthEast,*/
984
985 /*NorthWest, North, NorthEast,*/
986 West, /*East,*/
987 SouthWest, South, /*SouthEast,*/
988
989 /*BehindNorthWest, BehindNorth, BehindNorthEast,*/
990 BehindWest, Behind, /*BehindEast,*/
991 BehindSouthWest, BehindSouth, /*BehindSouthEast,*/
992 Error, Error, Error, Error, Error, Error, Error, Error, Error,
993 Error, Error, Error, Error, Error, Error},
994 //6 - AtTopLeftBorder
995 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,*/
996 /*InFrontWest,*/ InFront, InFrontEast,
997 /*InFrontSouthWest,*/ InFrontSouth, InFrontSouthEast,
998
999 /*NorthWest, North, NorthEast,*/
1000 /*West,*/ East,
1001 /*SouthWest,*/ South, SouthEast,
1002
1003 /*BehindNorthWest, BehindNorth, BehindNorthEast,*/
1004 /*BehindWest, */ Behind, BehindEast,
1005 /*BehindSouthWest,*/ BehindSouth, BehindSouthEast,
1006 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1007 Error, Error, Error, Error, Error, Error},
1008 //7 - Nothin'
1009 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1010 Error, Error, Error, Error, Error, Error, Error, Error,
1011 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1012 //8 - AtBottomBorder
1013 { InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1014 InFrontWest, InFront, InFrontEast,
1015 /*InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1016
1017 NorthWest, North, NorthEast,
1018 West, East,
1019 /*SouthWest, South, SouthEast,*/
1020
1021 BehindNorthWest, BehindNorth, BehindNorthEast,
1022 BehindWest, Behind, BehindEast,
1023 /*BehindSouthWest, BehindSouth, BehindSouthEast*/
1024 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1025 //9 - AtBottomRightBorder
1026 { InFrontNorthWest, InFrontNorth, /*InFrontNorthEast,*/
1027 InFrontWest, InFront, /*InFrontEast,*/
1028 /*InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1029
1030 NorthWest, North, /*NorthEast,*/
1031 West, /*East,*/
1032 /*SouthWest, South, SouthEast,*/
1033
1034 BehindNorthWest, BehindNorth, /*BehindNorthEast,*/
1035 BehindWest, Behind, /*BehindEast,*/
1036 /*BehindSouthWest, BehindSouth, BehindSouthEast*/
1037 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1038 Error, Error, Error, Error, Error, Error},
1039 //10 - AtBottomLeftBorder
1040 { /*InFrontNorthWest,*/ InFrontNorth, InFrontNorthEast,
1041 /*InFrontWest,*/ InFront, InFrontEast,
1042 /*InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1043
1044 /*NorthWest,*/ North, NorthEast,
1045 /*West,*/ East,
1046 /*SouthWest, South, SouthEast,*/
1047
1048 /*BehindNorthWest,*/ BehindNorth, BehindNorthEast,
1049 /*BehindWest,*/ Behind, BehindEast,
1050 /*BehindSouthWest, BehindSouth, BehindSouthEast*/
1051 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1052 Error, Error, Error, Error, Error, Error},
1053 //11 - Nothin'
1054 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1055 Error, Error, Error, Error, Error, Error, Error, Error,
1056 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1057 //12 - Nothin'
1058 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1059 Error, Error, Error, Error, Error, Error, Error, Error,
1060 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1061 //13 - Nothin'
1062 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1063 Error, Error, Error, Error, Error, Error, Error, Error,
1064 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1065 //14 - Nothin'
1066 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1067 Error, Error, Error, Error, Error, Error, Error, Error,
1068 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1069 //15 - Nothin'
1070 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1071 Error, Error, Error, Error, Error, Error, Error, Error,
1072 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1073 //16 - AtFrontBorder
1074 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1075 InFrontWest, InFront, InFrontEast,
1076 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1077
1078 NorthWest, North, NorthEast,
1079 West, East,
1080 SouthWest, South, SouthEast,
1081
1082 BehindNorthWest, BehindNorth, BehindNorthEast,
1083 BehindWest, Behind, BehindEast,
1084 BehindSouthWest, BehindSouth, BehindSouthEast,
1085 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1086 //17 - AtFrontRightBorder
1087 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1088 InFrontWest, InFront, InFrontEast,
1089 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1090
1091 NorthWest, North, /*NorthEast,*/
1092 West, /*East,*/
1093 SouthWest, South, /*SouthEast,*/
1094
1095 BehindNorthWest, BehindNorth, /*BehindNorthEast,*/
1096 BehindWest, Behind, /*BehindEast,*/
1097 BehindSouthWest, BehindSouth, /*BehindSouthEast,*/
1098 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1099 Error, Error, Error, Error, Error, Error},
1100 //18 - AtFrontLeftBorder
1101 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1102 InFrontWest, InFront, InFrontEast,
1103 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1104
1105 /*NorthWest,*/ North, NorthEast,
1106 /*West,*/ East,
1107 /*SouthWest,*/ South, SouthEast,
1108
1109 /*BehindNorthWest,*/ BehindNorth, BehindNorthEast,
1110 /*BehindWest,*/ Behind, BehindEast,
1111 /*BehindSouthWest,*/ BehindSouth, BehindSouthEast,
1112 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1113 Error, Error, Error, Error, Error, Error},
1114 //19 - Nothin'
1115 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1116 Error, Error, Error, Error, Error, Error, Error, Error,
1117 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1118 //20 - AtTopFrontBorder
1119 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1120 InFrontWest, InFront, InFrontEast,
1121 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1122
1123 /*NorthWest, North, NorthEast,*/
1124 West, East,
1125 SouthWest, South, SouthEast,
1126
1127 /*BehindNorthWest, BehindNorth, BehindNorthEast,*/
1128 BehindWest, Behind, BehindEast,
1129 BehindSouthWest, BehindSouth, BehindSouthEast,
1130 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1131 Error, Error, Error, Error, Error, Error},
1132 //21 - AtTopRightFrontBorder
1133 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1134 InFrontWest, InFront, InFrontEast,
1135 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1136
1137 /*NorthWest, North, NorthEast,*/
1138 West, /*East,*/
1139 SouthWest, South, /*SouthEast,*/
1140
1141 /*BehindNorthWest, BehindNorth, BehindNorthEast,*/
1142 BehindWest, Behind, /*BehindEast,*/
1143 BehindSouthWest, BehindSouth, /*BehindSouthEast,*/
1144 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1145 Error, Error, Error, Error, Error, Error,
1146 Error, Error, Error, Error},
1147 //22 - AtTopLeftFrontBorder
1148 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1149 InFrontWest, InFront, InFrontEast,
1150 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1151
1152 /*NorthWest, North, NorthEast,*/
1153 /*West,*/ East,
1154 /*SouthWest,*/ South, SouthEast,
1155
1156 /*BehindNorthWest, BehindNorth, BehindNorthEast,*/
1157 /*BehindWest,*/ Behind, BehindEast,
1158 /*BehindSouthWest,*/ BehindSouth, BehindSouthEast,
1159 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1160 Error, Error, Error, Error, Error, Error,
1161 Error, Error, Error, Error},
1162 //23 - Nothin'
1163 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1164 Error, Error, Error, Error, Error, Error, Error, Error,
1165 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1166 //24 - AtBottomFrontBorder
1167 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1168 InFrontWest, InFront, InFrontEast,
1169 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1170
1171 NorthWest, North, NorthEast,
1172 West, East,
1173 /*SouthWest, South, SouthEast,*/
1174
1175 BehindNorthWest, BehindNorth, BehindNorthEast,
1176 BehindWest, Behind, BehindEast,
1177 /*BehindSouthWest, BehindSouth, BehindSouthEast*/
1178 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1179 Error, Error, Error, Error, Error, Error},
1180 //25 - AtBottomRightFrontBorder
1181 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1182 InFrontWest, InFront, InFrontEast,
1183 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1184
1185 NorthWest, North, /*NorthEast,*/
1186 West, /* East,*/
1187 /*SouthWest, South, SouthEast,*/
1188
1189 BehindNorthWest, BehindNorth, /*BehindNorthEast,*/
1190 BehindWest, Behind, /*BehindEast,*/
1191 /*BehindSouthWest, BehindSouth, BehindSouthEast*/
1192 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1193 Error, Error, Error, Error, Error, Error,
1194 Error, Error, Error, Error},
1195 //26 - AtBottomLeftFrontBorder
1196 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1197 InFrontWest, InFront, InFrontEast,
1198 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1199
1200 /*NorthWest,*/ North, NorthEast,
1201 /*West,*/ East,
1202 /*SouthWest, South, SouthEast,*/
1203
1204 /*BehindNorthWest,*/ BehindNorth, BehindNorthEast,
1205 /*BehindWest,*/ Behind, BehindEast,
1206 /*BehindSouthWest, BehindSouth, BehindSouthEast*/
1207 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1208 Error, Error, Error, Error, Error, Error,
1209 Error, Error, Error, Error},
1210 //27 - Nothin'
1211 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1212 Error, Error, Error, Error, Error, Error, Error, Error,
1213 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1214 //28 - Nothin'
1215 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1216 Error, Error, Error, Error, Error, Error, Error, Error,
1217 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1218 //29 - Nothin'
1219 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1220 Error, Error, Error, Error, Error, Error, Error, Error,
1221 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1222 //30 - Nothin'
1223 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1224 Error, Error, Error, Error, Error, Error, Error, Error,
1225 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1226 //31 - Nothin'
1227 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1228 Error, Error, Error, Error, Error, Error, Error, Error,
1229 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1230 //32 - AtRearBorder
1231 { InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1232 InFrontWest, InFront, InFrontEast,
1233 InFrontSouthWest, InFrontSouth, InFrontSouthEast,
1234
1235 NorthWest, North, NorthEast,
1236 West, East,
1237 SouthWest, South, SouthEast,
1238
1239 /*BehindNorthWest, BehindNorth, BehindNorthEast,
1240 BehindWest, Behind, BehindEast,
1241 BehindSouthWest, BehindSouth, BehindSouthEast,*/
1242 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1243 //33 - AtRearRightBorder
1244 { InFrontNorthWest, InFrontNorth, /*InFrontNorthEast,*/
1245 InFrontWest, InFront, /*InFrontEast,*/
1246 InFrontSouthWest, InFrontSouth, /*InFrontSouthEast,*/
1247
1248 NorthWest, North, /*NorthEast,*/
1249 West, /*East,*/
1250 SouthWest, South, /*SouthEast,*/
1251
1252 /*BehindNorthWest, BehindNorth, BehindNorthEast,
1253 BehindWest, Behind, BehindEast,
1254 BehindSouthWest, BehindSouth, BehindSouthEast,*/
1255 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1256 Error, Error, Error, Error, Error, Error},
1257 //34 - AtRearLeftBorder
1258 { /*InFrontNorthWest,*/ InFrontNorth, InFrontNorthEast,
1259 /*InFrontWest,*/ InFront, InFrontEast,
1260 /*InFrontSouthWest,*/ InFrontSouth, InFrontSouthEast,
1261
1262 /*NorthWest,*/ North, NorthEast,
1263 /*West,*/ East,
1264 /*SouthWest,*/ South, SouthEast,
1265
1266 /*BehindNorthWest, BehindNorth, BehindNorthEast,
1267 BehindWest, Behind, BehindEast,
1268 BehindSouthWest, BehindSouth, BehindSouthEast,*/
1269 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1270 Error, Error, Error, Error, Error, Error},
1271 //35 - Nothin'
1272 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1273 Error, Error, Error, Error, Error, Error, Error, Error,
1274 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1275 //36 - AtTopRearBorder
1276 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,*/
1277 InFrontWest, InFront, InFrontEast,
1278 InFrontSouthWest, InFrontSouth, InFrontSouthEast,
1279
1280 /*NorthWest, North, NorthEast,*/
1281 West, East,
1282 SouthWest, South, SouthEast,
1283
1284 /*BehindNorthWest, BehindNorth, BehindNorthEast,
1285 BehindWest, Behind, BehindEast,
1286 BehindSouthWest, BehindSouth, BehindSouthEast,*/
1287 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1288 Error, Error, Error, Error, Error, Error},
1289 //37 - AtTopRightRearBorder
1290 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,*/
1291 InFrontWest, InFront, /*InFrontEast,*/
1292 InFrontSouthWest, InFrontSouth, /*InFrontSouthEast,*/
1293
1294 /*NorthWest, North, NorthEast,*/
1295 West, /*East,*/
1296 SouthWest, South, /*SouthEast,*/
1297
1298 /*BehindNorthWest, BehindNorth, BehindNorthEast,
1299 BehindWest, Behind, BehindEast,
1300 BehindSouthWest, BehindSouth, BehindSouthEast,*/
1301 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1302 Error, Error, Error, Error, Error, Error,
1303 Error, Error, Error, Error},
1304 //38 - AtTopLeftRearBorder
1305 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,*/
1306 /*InFrontWest,*/ InFront, InFrontEast,
1307 /*InFrontSouthWest,*/ InFrontSouth, InFrontSouthEast,
1308
1309 /*NorthWest, North, NorthEast,*/
1310 /*West,*/ East,
1311 /*SouthWest,*/ South, SouthEast,
1312
1313 /*BehindNorthWest, BehindNorth, BehindNorthEast,
1314 BehindWest, Behind, BehindEast,
1315 BehindSouthWest, BehindSouth, BehindSouthEast,*/
1316 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1317 Error, Error, Error, Error, Error, Error,
1318 Error, Error, Error, Error},
1319 //39 - Nothin'
1320 { Error, Error, Error, Error, Error, Error, Error, Error, Error,
1321 Error, Error, Error, Error, Error, Error, Error, Error,
1322 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1323 //40 - AtBottomRearBorder
1324 { InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1325 InFrontWest, InFront, InFrontEast,
1326 /*InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1327
1328 NorthWest, North, NorthEast,
1329 West, East,
1330 /*SouthWest, South, SouthEast,*/
1331
1332 /*BehindNorthWest, BehindNorth, BehindNorthEast,
1333 BehindWest, Behind, BehindEast,
1334 BehindSouthWest, BehindSouth, BehindSouthEast,*/
1335 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1336 Error, Error, Error, Error, Error, Error},
1337 //41 - AtBottomRightRearBorder
1338 { InFrontNorthWest, InFrontNorth, /*InFrontNorthEast,*/
1339 InFrontWest, InFront, /*InFrontEast,*/
1340 /*InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1341
1342 NorthWest, North, /*NorthEast,*/
1343 West, /*East,*/
1344 /*SouthWest, South, SouthEast,*/
1345
1346 /*BehindNorthWest, BehindNorth, BehindNorthEast,
1347 BehindWest, Behind, BehindEast,
1348 BehindSouthWest, BehindSouth, BehindSouthEast,*/
1349 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1350 Error, Error, Error, Error, Error, Error,
1351 Error, Error, Error, Error},
1352 //42 - AtBottomLeftRearBorder
1353 { /*InFrontNorthWest,*/ InFrontNorth, InFrontNorthEast,
1354 /*InFrontWest,*/ InFront, InFrontEast,
1355 /*InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1356
1357 /*NorthWest,*/ North, NorthEast,
1358 /*West,*/ East,
1359 /*SouthWest, South, SouthEast,*/
1360
1361 /*BehindNorthWest, BehindNorth, BehindNorthEast,
1362 BehindWest, Behind, BehindEast,
1363 BehindSouthWest, BehindSouth, BehindSouthEast,*/
1364 Error, Error, Error, Error, Error, Error, Error, Error, Error,
1365 Error, Error, Error, Error, Error, Error,
1366 Error, Error, Error, Error}
1367 };
1368
1369 template <int DUMMY>
1370 Direction NeighborCode3D::StaticData<DUMMY>::bc[43][13] = {
1371 //0 - NotAtBorder -----> should never be used
1372 { InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1373 InFrontWest, InFront, InFrontEast,
1374 InFrontSouthWest, InFrontSouth, InFrontSouthEast,
1375
1376 NorthWest, North, NorthEast,
1377 West},
1378 //1 - AtRightBorder
1379 { InFrontNorthWest, InFrontNorth, /* InFrontNorthEast, */
1380 InFrontWest, InFront, /* InFrontEast, */
1381 InFrontSouthWest, InFrontSouth, /* InFrontSouthEast, */
1382
1383 NorthWest, North, /* NorthEast, */
1384 West,
1385 Error, Error, Error, Error},
1386 //2 - AtLeftBorder
1387 { /*InFrontNorthWest,*/ InFrontNorth,InFrontNorthEast,
1388 /*InFrontWest,*/ InFront, InFrontEast,
1389 /*InFrontSouthWest,*/InFrontSouth, InFrontSouthEast,
1390
1391 /*NorthWest,*/ North, NorthEast,
1392 /*West*/
1393 Error, Error, Error, Error, Error},
1394 //3 - Nothin'
1395 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1396 //4 - AtTopBorder
1397 { /*InFrontNorthWest,InFrontNorth, InFrontNorthEast,*/
1398 InFrontWest, InFront, InFrontEast,
1399 InFrontSouthWest, InFrontSouth, InFrontSouthEast,
1400
1401 /*NorthWest, North, NorthEast,*/
1402 West,
1403 Error, Error, Error, Error, Error, Error},
1404 //5 - AtTopRightBorder
1405 { /*InFrontNorthWest,InFrontNorth, InFrontNorthEast,*/
1406 InFrontWest, InFront, /*InFrontEast,*/
1407 InFrontSouthWest, InFrontSouth, /*InFrontSouthEast,*/
1408
1409 /*NorthWest, North, NorthEast,*/
1410 West,
1411 Error, Error, Error, Error, Error, Error, Error, Error},
1412 //6 - AtTopLeftBorder
1413 { /*InFrontNorthWest,InFrontNorth, InFrontNorthEast,*/
1414 /*InFrontWest,*/ InFront, InFrontEast,
1415 /*InFrontSouthWest,*/InFrontSouth, InFrontSouthEast,
1416
1417 /*NorthWest, North, NorthEast,*/
1418 /*West,*/
1419 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1420 //7 - Nothin'
1421 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1422 //8 - AtBottomBorder
1423 { InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1424 InFrontWest, InFront, InFrontEast,
1425 /* InFrontSouthWest, InFrontSouth, InFrontSouthEast, */
1426
1427 NorthWest, North, NorthEast,
1428 West,
1429 Error, Error, Error},
1430 //9 - AtBottomRightBorder
1431 { InFrontNorthWest, InFrontNorth, /* InFrontNorthEast, */
1432 InFrontWest, InFront, /* InFrontEast, */
1433 /* InFrontSouthWest, InFrontSouth, InFrontSouthEast, */
1434
1435 NorthWest, North, /* NorthEast, */
1436 West,
1437 Error, Error, Error,Error, Error, Error},
1438 //10 - AtBottomLeftBorder
1439 { /*InFrontNorthWest,*/InFrontNorth, InFrontNorthEast,
1440 /*InFrontWest,*/ InFront, InFrontEast,
1441 /*InFrontSouthWest, InFrontSouth, InFrontSouthEast, */
1442
1443 /*NorthWest,*/ North, NorthEast,
1444 /*West*/
1445 Error, Error, Error, Error, Error, Error, Error},
1446 //11 - Nothin'
1447 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1448 //12 - Nothin'
1449 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1450 //13 - Nothin'
1451 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1452 //14 - Nothin'
1453 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1454 //15 - Nothin'
1455 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1456 //16 - AtFrontBorder
1457 { /*InFrontNorthWest,InFrontNorth, InFrontNorthEast,
1458 InFrontWest, InFront, InFrontEast,
1459 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1460
1461 NorthWest, North, NorthEast,
1462 West,
1463 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1464 //17 - AtFrontRightBorder
1465 { /*InFrontNorthWest,InFrontNorth, InFrontNorthEast,
1466 InFrontWest, InFront, InFrontEast,
1467 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1468
1469 NorthWest, North, /*NorthEast,*/
1470 West,
1471 Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1472 //18 - AtFrontLeftBorder
1473 { /*InFrontNorthWest,InFrontNorth, InFrontNorthEast,
1474 InFrontWest, InFront, InFrontEast,
1475 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1476
1477 /*NorthWest,*/ North, NorthEast,
1478 /*West,*/
1479 Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1480 //19 - Nothin'
1481 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1482 //20 - AtTopFrontBorder
1483 { /*InFrontNorthWest,InFrontNorth, InFrontNorthEast,
1484 InFrontWest, InFront, InFrontEast,
1485 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1486
1487 /*NorthWest, North, NorthEast,*/
1488 West,
1489 Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1490 //21 - AtTopRightFrontBorder
1491 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1492 InFrontWest, InFront, InFrontEast,
1493 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1494
1495 /*NorthWest, North, NorthEast,*/
1496 West,
1497 Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1498 //22 - AtTopLeftFrontBorder
1499 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1500 //23 - Nothin
1501 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1502 //24 - AtBottomFrontBorder
1503 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1504 InFrontWest, InFront, InFrontEast,
1505 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1506
1507 NorthWest, North, NorthEast,
1508 West,
1509 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1510 //25 - AtBottomRightFrontBorder
1511 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1512 InFrontWest, InFront, InFrontEast,
1513 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1514
1515 NorthWest, North, /*NorthEast,*/
1516 West,
1517 Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1518 //26 - AtBottomLeftFrontBorder
1519 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1520 InFrontWest, InFront, InFrontEast,
1521 InFrontSouthWest, InFrontSouth, InFrontSouthEast,*/
1522
1523 /*NorthWest,*/ North, NorthEast,
1524 /* West, */
1525 Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1526 //27 - Nothin
1527 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1528 //28 - Nothin
1529 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1530 //29 - Nothin
1531 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1532 //30 - Nothin
1533 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1534 //31 - Nothin
1535 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1536 //32 - AtRearBorder
1537 { InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1538 InFrontWest, InFront, InFrontEast,
1539 InFrontSouthWest, InFrontSouth, InFrontSouthEast,
1540
1541 NorthWest, North, NorthEast,
1542 West},
1543 //33 - AtRearRightBorder
1544 { InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1545 InFrontWest, InFront, InFrontEast,
1546 InFrontSouthWest, InFrontSouth, InFrontSouthEast,
1547
1548 NorthWest, North, NorthEast,
1549 West},
1550 //34 - AtRearLeftBorder
1551 { /*InFrontNorthWest,*/InFrontNorth, InFrontNorthEast,
1552 /*InFrontWest,*/ InFront, InFrontEast,
1553 /*InFrontSouthWest,*/InFrontSouth, InFrontSouthEast,
1554
1555 /*NorthWest,*/ North, NorthEast,
1556 /*West*/
1557 Error, Error, Error, Error, Error},
1558 //35 - Nothin
1559 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1560 //36 - AtTopRearBorder
1561 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,*/
1562 InFrontWest, InFront, InFrontEast,
1563 InFrontSouthWest, InFrontSouth, InFrontSouthEast,
1564
1565 /*NorthWest, North, NorthEast,*/
1566 West,
1567 Error, Error, Error, Error, Error, Error},
1568 //37 - AtTopRightRearBorder
1569 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,*/
1570 InFrontWest, InFront, /*InFrontEast,*/
1571 InFrontSouthWest, InFrontSouth, /*InFrontSouthEast,*/
1572
1573 /*NorthWest, North, NorthEast,*/
1574 West,
1575 Error, Error, Error, Error, Error, Error, Error, Error},
1576 //38 - AtTopLeftRearBorder
1577 { /*InFrontNorthWest, InFrontNorth, InFrontNorthEast,*/
1578 /*InFrontWest,*/ InFront, InFrontEast,
1579 /*InFrontSouthWest,*/InFrontSouth, InFrontSouthEast,
1580
1581 /*NorthWest, North, NorthEast,*/
1582 /*West,*/
1583 Error, Error, Error, Error, Error, Error, Error, Error, Error},
1584 //39 - Nothin
1585 { Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error, Error},
1586 //40 - AtBottomRearBorder
1587 { InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1588 InFrontWest, InFront, InFrontEast,
1589 InFrontSouthWest, InFrontSouth, InFrontSouthEast,
1590
1591 NorthWest, North, NorthEast,
1592 West},
1593 //41 - AtBottomRightRearBorder
1594 { InFrontNorthWest, InFrontNorth, InFrontNorthEast,
1595 InFrontWest, InFront, InFrontEast,
1596 InFrontSouthWest, InFrontSouth, InFrontSouthEast,
1597
1598 NorthWest, North, NorthEast,
1599 West},
1600 //42 - AtBottomLeftRearBorder
1601 { /*InFrontNorthWest,*/InFrontNorth, InFrontNorthEast,
1602 /*InFrontWest,*/ InFront, InFrontEast,
1603 /*InFrontSouthWest,InFrontSouth, InFrontSouthEast,*/
1604
1605 /*NorthWest,*/ North, NorthEast,
1606 /*West*/
1607 Error, Error, Error, Error, Error, Error, Error}
1608 };
1609
1610 template <int DUMMY>
1611 Diff3D NeighborCode3D::StaticData<DUMMY>::d[] = {
1612 Diff3D( -1, -1, -1), //InFrontNorthWest
1613 Diff3D( 0, -1, -1), //InFrontNorth
1614 Diff3D( 1, -1, -1), //InFrontNorthEast
1615 Diff3D( -1, 0, -1), //InFrontWest
1616 Diff3D( 0, 0, -1), //InFront
1617 Diff3D( 1, 0, -1), //InFrontEast
1618 Diff3D( -1, 1, -1), //InFrontSouthWest
1619 Diff3D( 0, 1, -1), //InFrontSouth
1620 Diff3D( 1, 1, -1), //InFrontSouthEast
1621
1622 Diff3D( -1, -1, 0), //NorthWest
1623 Diff3D( 0, -1, 0), //North
1624 Diff3D( 1, -1, 0), //NorthEast
1625 Diff3D( -1, 0, 0), //West
1626 Diff3D( 1, 0, 0), //East
1627 Diff3D( -1, 1, 0), //SouthWest
1628 Diff3D( 0, 1, 0), //South
1629 Diff3D( 1, 1, 0), //SouthEast
1630
1631 Diff3D( -1, -1, 1), //BehindNorthWest
1632 Diff3D( 0, -1, 1), //BehindNorth
1633 Diff3D( 1, -1, 1), //BehindNorthEast
1634 Diff3D( -1, 0, 1), //BehindWest
1635 Diff3D( 0, 0, 1), //Behind
1636 Diff3D( 1, 0, 1), //BehindEast
1637 Diff3D( -1, 1, 1), //BehindSouthWest
1638 Diff3D( 0, 1, 1), //BehindSouth
1639 Diff3D( 1, 1, 1), //BehindSouthEast
1640 };
1641
1642 }//namespace Neighborhood3DTwentySix
1643
1644 /** Export \ref vigra::Neighborhood3DTwentySix::NeighborCode3D into the scope of namespace vigra.
1645 */
1646 typedef Neighborhood3DTwentySix::NeighborCode3D NeighborCode3DTwentySix;
1647
1648 //@}
1649
1650 } // namespace vigra
1651
1652 #endif /* VIGRA_VOXELNEIGHBORHOOD_HXX */

© Ullrich Köthe (ullrich.koethe@iwr.uni-heidelberg.de) Heidelberg Collaboratory for Image Processing, University of Heidelberg, Germany | html generated using doxygen and Python vigra 1.10.0 (Mon Nov 18 2013)