1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
---|
2 | /* |
---|
3 | * ---------------------------------------------------------------------- |
---|
4 | * Command.cpp |
---|
5 | * |
---|
6 | * This modules creates the Tcl interface to the nanovis server. The |
---|
7 | * communication protocol of the server is the Tcl language. Commands |
---|
8 | * given to the server by clients are executed in a safe interpreter and |
---|
9 | * the resulting image rendered offscreen is returned as BMP-formatted |
---|
10 | * image data. |
---|
11 | * |
---|
12 | * ====================================================================== |
---|
13 | * AUTHOR: Wei Qiao <qiaow@purdue.edu> |
---|
14 | * Michael McLennan <mmclennan@purdue.edu> |
---|
15 | * Purdue Rendering and Perceptualization Lab (PURPL) |
---|
16 | * |
---|
17 | * Copyright (c) 2004-2013 HUBzero Foundation, LLC |
---|
18 | * |
---|
19 | * See the file "license.terms" for information on usage and |
---|
20 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
---|
21 | * ====================================================================== |
---|
22 | */ |
---|
23 | |
---|
24 | /* |
---|
25 | * TODO: In no particular order... |
---|
26 | * o Use Tcl command option parser to reduce size of procedures, remove |
---|
27 | * lots of extra error checking code. (almost there) |
---|
28 | * o Add bookkeeping for volumes, heightmaps, flows, etc. to track |
---|
29 | * 1) simulation # 2) include/exclude. The include/exclude |
---|
30 | * is to indicate whether the item should contribute to the overall |
---|
31 | * limits of the axes. |
---|
32 | */ |
---|
33 | |
---|
34 | #include <assert.h> |
---|
35 | #include <errno.h> |
---|
36 | #include <stdlib.h> |
---|
37 | #include <unistd.h> /* Needed for getpid, gethostname, |
---|
38 | * write, etc. */ |
---|
39 | |
---|
40 | #include <sstream> |
---|
41 | |
---|
42 | #include <tcl.h> |
---|
43 | |
---|
44 | #include <RpEncode.h> |
---|
45 | #include <RpBuffer.h> |
---|
46 | |
---|
47 | #include <vrmath/Vector3f.h> |
---|
48 | |
---|
49 | #include "nanovisServer.h" |
---|
50 | #include "nanovis.h" |
---|
51 | #include "ReadBuffer.h" |
---|
52 | #ifdef USE_THREADS |
---|
53 | #include "ResponseQueue.h" |
---|
54 | #endif |
---|
55 | #include "Command.h" |
---|
56 | #include "CmdProc.h" |
---|
57 | #include "FlowCmd.h" |
---|
58 | #include "dxReader.h" |
---|
59 | #ifdef USE_VTK |
---|
60 | #include "VtkDataSetReader.h" |
---|
61 | #else |
---|
62 | #include "VtkReader.h" |
---|
63 | #endif |
---|
64 | #include "BMPWriter.h" |
---|
65 | #include "PPMWriter.h" |
---|
66 | #include "Grid.h" |
---|
67 | #include "HeightMap.h" |
---|
68 | #include "Camera.h" |
---|
69 | #include "ZincBlendeVolume.h" |
---|
70 | #include "ZincBlendeReconstructor.h" |
---|
71 | #include "OrientationIndicator.h" |
---|
72 | #include "Unirect.h" |
---|
73 | #include "Volume.h" |
---|
74 | #include "VolumeRenderer.h" |
---|
75 | #include "Trace.h" |
---|
76 | |
---|
77 | using namespace nv; |
---|
78 | using namespace nv::graphics; |
---|
79 | using namespace vrmath; |
---|
80 | |
---|
81 | // default transfer function |
---|
82 | static const char def_transfunc[] = |
---|
83 | "transfunc define default {\n\ |
---|
84 | 0.00 0 0 1\n\ |
---|
85 | 0.25 0 1 1\n\ |
---|
86 | 0.50 0 1 0\n\ |
---|
87 | 0.75 1 1 0\n\ |
---|
88 | 1.00 1 0 0\n\ |
---|
89 | } {\n\ |
---|
90 | 0.000000 0.0\n\ |
---|
91 | 0.107847 0.0\n\ |
---|
92 | 0.107857 1.0\n\ |
---|
93 | 0.177857 1.0\n\ |
---|
94 | 0.177867 0.0\n\ |
---|
95 | 0.250704 0.0\n\ |
---|
96 | 0.250714 1.0\n\ |
---|
97 | 0.320714 1.0\n\ |
---|
98 | 0.320724 0.0\n\ |
---|
99 | 0.393561 0.0\n\ |
---|
100 | 0.393571 1.0\n\ |
---|
101 | 0.463571 1.0\n\ |
---|
102 | 0.463581 0.0\n\ |
---|
103 | 0.536419 0.0\n\ |
---|
104 | 0.536429 1.0\n\ |
---|
105 | 0.606429 1.0\n\ |
---|
106 | 0.606439 0.0\n\ |
---|
107 | 0.679276 0.0\n\ |
---|
108 | 0.679286 1.0\n\ |
---|
109 | 0.749286 1.0\n\ |
---|
110 | 0.749296 0.0\n\ |
---|
111 | 0.822133 0.0\n\ |
---|
112 | 0.822143 1.0\n\ |
---|
113 | 0.892143 1.0\n\ |
---|
114 | 0.892153 0.0\n\ |
---|
115 | 1.000000 0.0\n\ |
---|
116 | }"; |
---|
117 | |
---|
118 | static int lastCmdStatus; |
---|
119 | |
---|
120 | #ifdef USE_THREADS |
---|
121 | void |
---|
122 | nv::queueResponse(const void *bytes, size_t len, |
---|
123 | Response::AllocationType allocType, |
---|
124 | Response::ResponseType type) |
---|
125 | { |
---|
126 | Response *response = new Response(type); |
---|
127 | response->setMessage((unsigned char *)bytes, len, allocType); |
---|
128 | g_queue->enqueue(response); |
---|
129 | } |
---|
130 | #else |
---|
131 | |
---|
132 | ssize_t |
---|
133 | nv::SocketWrite(const void *bytes, size_t len) |
---|
134 | { |
---|
135 | size_t ofs = 0; |
---|
136 | ssize_t bytesWritten; |
---|
137 | while ((bytesWritten = write(g_fdOut, (const char *)bytes + ofs, len - ofs)) > 0) { |
---|
138 | ofs += bytesWritten; |
---|
139 | if (ofs == len) |
---|
140 | break; |
---|
141 | } |
---|
142 | if (bytesWritten < 0) { |
---|
143 | ERROR("write: %s", strerror(errno)); |
---|
144 | } |
---|
145 | return bytesWritten; |
---|
146 | } |
---|
147 | |
---|
148 | #endif /*USE_THREADS*/ |
---|
149 | |
---|
150 | bool |
---|
151 | nv::SocketRead(char *bytes, size_t len) |
---|
152 | { |
---|
153 | ReadBuffer::BufferStatus status; |
---|
154 | status = g_inBufPtr->followingData((unsigned char *)bytes, len); |
---|
155 | TRACE("followingData status: %d", status); |
---|
156 | return (status == ReadBuffer::OK); |
---|
157 | } |
---|
158 | |
---|
159 | static int |
---|
160 | ExecuteCommand(Tcl_Interp *interp, Tcl_DString *dsPtr) |
---|
161 | { |
---|
162 | int result; |
---|
163 | #ifdef WANT_TRACE |
---|
164 | char *str = Tcl_DStringValue(dsPtr); |
---|
165 | std::string cmd(str); |
---|
166 | cmd.erase(cmd.find_last_not_of(" \n\r\t")+1); |
---|
167 | TRACE("command %lu: '%s'", g_stats.nCommands+1, cmd.c_str()); |
---|
168 | #endif |
---|
169 | lastCmdStatus = TCL_OK; |
---|
170 | result = Tcl_EvalEx(interp, Tcl_DStringValue(dsPtr), |
---|
171 | Tcl_DStringLength(dsPtr), |
---|
172 | TCL_EVAL_DIRECT | TCL_EVAL_GLOBAL); |
---|
173 | Tcl_DStringSetLength(dsPtr, 0); |
---|
174 | if (lastCmdStatus == TCL_BREAK) { |
---|
175 | return TCL_BREAK; |
---|
176 | } |
---|
177 | lastCmdStatus = result; |
---|
178 | if (result != TCL_OK) { |
---|
179 | TRACE("Error: %d", result); |
---|
180 | } |
---|
181 | return result; |
---|
182 | } |
---|
183 | |
---|
184 | int |
---|
185 | nv::GetBooleanFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, bool *boolPtr) |
---|
186 | { |
---|
187 | int value; |
---|
188 | |
---|
189 | if (Tcl_GetBooleanFromObj(interp, objPtr, &value) != TCL_OK) { |
---|
190 | return TCL_ERROR; |
---|
191 | } |
---|
192 | *boolPtr = (bool)value; |
---|
193 | return TCL_OK; |
---|
194 | } |
---|
195 | |
---|
196 | int |
---|
197 | nv::GetFloatFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, float *valuePtr) |
---|
198 | { |
---|
199 | double value; |
---|
200 | |
---|
201 | if (Tcl_GetDoubleFromObj(interp, objPtr, &value) != TCL_OK) { |
---|
202 | return TCL_ERROR; |
---|
203 | } |
---|
204 | *valuePtr = (float)value; |
---|
205 | return TCL_OK; |
---|
206 | } |
---|
207 | |
---|
208 | static int |
---|
209 | GetCullMode(Tcl_Interp *interp, Tcl_Obj *objPtr, |
---|
210 | RenderContext::CullMode *modePtr) |
---|
211 | { |
---|
212 | const char *string = Tcl_GetString(objPtr); |
---|
213 | if (strcmp(string, "none") == 0) { |
---|
214 | *modePtr = RenderContext::NO_CULL; |
---|
215 | } else if (strcmp(string, "front") == 0) { |
---|
216 | *modePtr = RenderContext::FRONT; |
---|
217 | } else if (strcmp(string, "back") == 0) { |
---|
218 | *modePtr = RenderContext::BACK; |
---|
219 | } else { |
---|
220 | Tcl_AppendResult(interp, "invalid cull mode \"", string, |
---|
221 | "\": should be front, back, or none\"", (char *)NULL); |
---|
222 | return TCL_ERROR; |
---|
223 | } |
---|
224 | return TCL_OK; |
---|
225 | } |
---|
226 | |
---|
227 | static int |
---|
228 | GetShadingModel(Tcl_Interp *interp, Tcl_Obj *objPtr, |
---|
229 | RenderContext::ShadingModel *modelPtr) |
---|
230 | { |
---|
231 | const char *string = Tcl_GetString(objPtr); |
---|
232 | |
---|
233 | if (strcmp(string,"flat") == 0) { |
---|
234 | *modelPtr = RenderContext::FLAT; |
---|
235 | } else if (strcmp(string,"smooth") == 0) { |
---|
236 | *modelPtr = RenderContext::SMOOTH; |
---|
237 | } else { |
---|
238 | Tcl_AppendResult(interp, "bad shading model \"", string, |
---|
239 | "\": should be flat or smooth", (char *)NULL); |
---|
240 | return TCL_ERROR; |
---|
241 | } |
---|
242 | return TCL_OK; |
---|
243 | } |
---|
244 | |
---|
245 | static int |
---|
246 | GetPolygonMode(Tcl_Interp *interp, Tcl_Obj *objPtr, |
---|
247 | RenderContext::PolygonMode *modePtr) |
---|
248 | { |
---|
249 | const char *string = Tcl_GetString(objPtr); |
---|
250 | |
---|
251 | if (strcmp(string,"wireframe") == 0) { |
---|
252 | *modePtr = RenderContext::LINE; |
---|
253 | } else if (strcmp(string,"fill") == 0) { |
---|
254 | *modePtr = RenderContext::FILL; |
---|
255 | } else { |
---|
256 | Tcl_AppendResult(interp, "invalid polygon mode \"", string, |
---|
257 | "\": should be wireframe or fill\"", (char *)NULL); |
---|
258 | return TCL_ERROR; |
---|
259 | } |
---|
260 | return TCL_OK; |
---|
261 | } |
---|
262 | |
---|
263 | /** |
---|
264 | * Creates a heightmap from the given the data. The format of the data |
---|
265 | * should be as follows: |
---|
266 | * |
---|
267 | * xMin, xMax, xNum, yMin, yMax, yNum, heights... |
---|
268 | * |
---|
269 | * xNum and yNum must be integer values, all others are real numbers. |
---|
270 | * The number of heights must be xNum * yNum; |
---|
271 | */ |
---|
272 | static HeightMap * |
---|
273 | CreateHeightMap(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
274 | Tcl_Obj *const *objv) |
---|
275 | { |
---|
276 | float xMin, yMin, xMax, yMax; |
---|
277 | int xNum, yNum; |
---|
278 | |
---|
279 | if (objc != 7) { |
---|
280 | Tcl_AppendResult(interp, |
---|
281 | "wrong # of values: should be xMin yMin xMax yMax xNum yNum heights", |
---|
282 | (char *)NULL); |
---|
283 | return NULL; |
---|
284 | } |
---|
285 | if ((GetFloatFromObj(interp, objv[0], &xMin) != TCL_OK) || |
---|
286 | (GetFloatFromObj(interp, objv[1], &yMin) != TCL_OK) || |
---|
287 | (GetFloatFromObj(interp, objv[2], &xMax) != TCL_OK) || |
---|
288 | (GetFloatFromObj(interp, objv[3], &yMax) != TCL_OK) || |
---|
289 | (Tcl_GetIntFromObj(interp, objv[4], &xNum) != TCL_OK) || |
---|
290 | (Tcl_GetIntFromObj(interp, objv[5], &yNum) != TCL_OK)) { |
---|
291 | return NULL; |
---|
292 | } |
---|
293 | int nValues; |
---|
294 | Tcl_Obj **elem; |
---|
295 | if (Tcl_ListObjGetElements(interp, objv[6], &nValues, &elem) != TCL_OK) { |
---|
296 | return NULL; |
---|
297 | } |
---|
298 | if ((xNum <= 0) || (yNum <= 0)) { |
---|
299 | Tcl_AppendResult(interp, "bad number of x or y values", (char *)NULL); |
---|
300 | return NULL; |
---|
301 | } |
---|
302 | if (nValues != (xNum * yNum)) { |
---|
303 | Tcl_AppendResult(interp, "wrong # of heights", (char *)NULL); |
---|
304 | return NULL; |
---|
305 | } |
---|
306 | |
---|
307 | float *heights; |
---|
308 | heights = new float[nValues]; |
---|
309 | if (heights == NULL) { |
---|
310 | Tcl_AppendResult(interp, "can't allocate array of heights", |
---|
311 | (char *)NULL); |
---|
312 | return NULL; |
---|
313 | } |
---|
314 | |
---|
315 | int i; |
---|
316 | for (i = 0; i < nValues; i++) { |
---|
317 | if (GetFloatFromObj(interp, elem[i], heights + i) != TCL_OK) { |
---|
318 | delete [] heights; |
---|
319 | return NULL; |
---|
320 | } |
---|
321 | } |
---|
322 | HeightMap *heightMap = new HeightMap(); |
---|
323 | heightMap->setHeight(xMin, yMin, xMax, yMax, xNum, yNum, heights); |
---|
324 | heightMap->transferFunction(NanoVis::getTransferFunction("default")); |
---|
325 | heightMap->setVisible(true); |
---|
326 | heightMap->setLineContourVisible(true); |
---|
327 | delete [] heights; |
---|
328 | return heightMap; |
---|
329 | } |
---|
330 | |
---|
331 | static int |
---|
332 | GetHeightMapFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, HeightMap **hmPtrPtr) |
---|
333 | { |
---|
334 | const char *string = Tcl_GetString(objPtr); |
---|
335 | |
---|
336 | NanoVis::HeightMapHashmap::iterator itr = NanoVis::heightMapTable.find(string); |
---|
337 | if (itr == NanoVis::heightMapTable.end()) { |
---|
338 | if (interp != NULL) { |
---|
339 | Tcl_AppendResult(interp, "can't find a heightmap named \"", |
---|
340 | string, "\"", (char*)NULL); |
---|
341 | } |
---|
342 | return TCL_ERROR; |
---|
343 | } |
---|
344 | *hmPtrPtr = itr->second; |
---|
345 | return TCL_OK; |
---|
346 | } |
---|
347 | |
---|
348 | /** |
---|
349 | * Used internally to decode a series of volume index values and |
---|
350 | * store then in the specified vector. If there are no volume index |
---|
351 | * arguments, this means "all volumes" to most commands, so all |
---|
352 | * active volume indices are stored in the vector. |
---|
353 | * |
---|
354 | * Updates pushes index values into the vector. Returns TCL_OK or |
---|
355 | * TCL_ERROR to indicate an error. |
---|
356 | */ |
---|
357 | static int |
---|
358 | GetVolumeFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, Volume **volPtrPtr) |
---|
359 | { |
---|
360 | const char *string = Tcl_GetString(objPtr); |
---|
361 | |
---|
362 | NanoVis::VolumeHashmap::iterator itr = NanoVis::volumeTable.find(string); |
---|
363 | if (itr == NanoVis::volumeTable.end()) { |
---|
364 | if (interp != NULL) { |
---|
365 | Tcl_AppendResult(interp, "can't find a volume named \"", |
---|
366 | string, "\"", (char*)NULL); |
---|
367 | } |
---|
368 | return TCL_ERROR; |
---|
369 | } |
---|
370 | *volPtrPtr = itr->second; |
---|
371 | return TCL_OK; |
---|
372 | } |
---|
373 | |
---|
374 | /** |
---|
375 | * Used internally to decode a series of volume index values and |
---|
376 | * store then in the specified vector. If there are no volume index |
---|
377 | * arguments, this means "all volumes" to most commands, so all |
---|
378 | * active volume indices are stored in the vector. |
---|
379 | * |
---|
380 | * Updates pushes index values into the vector. Returns TCL_OK or |
---|
381 | * TCL_ERROR to indicate an error. |
---|
382 | */ |
---|
383 | static int |
---|
384 | GetVolumes(Tcl_Interp *interp, int objc, Tcl_Obj *const *objv, |
---|
385 | std::vector<Volume *>* vectorPtr) |
---|
386 | { |
---|
387 | if (objc == 0) { |
---|
388 | // No arguments. Get all volumes. |
---|
389 | NanoVis::VolumeHashmap::iterator itr; |
---|
390 | for (itr = NanoVis::volumeTable.begin(); |
---|
391 | itr != NanoVis::volumeTable.end(); ++itr) { |
---|
392 | vectorPtr->push_back(itr->second); |
---|
393 | } |
---|
394 | } else { |
---|
395 | // Get the volumes associated with the given index arguments. |
---|
396 | for (int n = 0; n < objc; n++) { |
---|
397 | Volume *volume; |
---|
398 | if (GetVolumeFromObj(interp, objv[n], &volume) != TCL_OK) { |
---|
399 | return TCL_ERROR; |
---|
400 | } |
---|
401 | vectorPtr->push_back(volume); |
---|
402 | } |
---|
403 | } |
---|
404 | return TCL_OK; |
---|
405 | } |
---|
406 | |
---|
407 | /** |
---|
408 | * Used internally to decode a series of volume index values and |
---|
409 | * store then in the specified vector. If there are no volume index |
---|
410 | * arguments, this means "all volumes" to most commands, so all |
---|
411 | * active volume indices are stored in the vector. |
---|
412 | * |
---|
413 | * Updates pushes index values into the vector. Returns TCL_OK or |
---|
414 | * TCL_ERROR to indicate an error. |
---|
415 | */ |
---|
416 | static int |
---|
417 | GetHeightMaps(Tcl_Interp *interp, int objc, Tcl_Obj *const *objv, |
---|
418 | std::vector<HeightMap *>* vectorPtr) |
---|
419 | { |
---|
420 | if (objc == 0) { |
---|
421 | // No arguments. Get all heightmaps. |
---|
422 | NanoVis::HeightMapHashmap::iterator itr; |
---|
423 | for (itr = NanoVis::heightMapTable.begin(); |
---|
424 | itr != NanoVis::heightMapTable.end(); ++itr) { |
---|
425 | vectorPtr->push_back(itr->second); |
---|
426 | } |
---|
427 | } else { |
---|
428 | for (int n = 0; n < objc; n++) { |
---|
429 | HeightMap *heightMap; |
---|
430 | if (GetHeightMapFromObj(interp, objv[n], &heightMap) != TCL_OK) { |
---|
431 | return TCL_ERROR; |
---|
432 | } |
---|
433 | vectorPtr->push_back(heightMap); |
---|
434 | } |
---|
435 | } |
---|
436 | return TCL_OK; |
---|
437 | } |
---|
438 | |
---|
439 | /** |
---|
440 | * Used internally to decode an axis value from a string ("x", "y", |
---|
441 | * or "z") to its index (0, 1, or 2). Returns TCL_OK if successful, |
---|
442 | * along with a value in valPtr. Otherwise, it returns TCL_ERROR |
---|
443 | * and an error message in the interpreter. |
---|
444 | */ |
---|
445 | static int |
---|
446 | GetAxis(Tcl_Interp *interp, const char *string, int *indexPtr) |
---|
447 | { |
---|
448 | if (string[1] == '\0') { |
---|
449 | char c; |
---|
450 | |
---|
451 | c = tolower((unsigned char)string[0]); |
---|
452 | if (c == 'x') { |
---|
453 | *indexPtr = 0; |
---|
454 | return TCL_OK; |
---|
455 | } else if (c == 'y') { |
---|
456 | *indexPtr = 1; |
---|
457 | return TCL_OK; |
---|
458 | } else if (c == 'z') { |
---|
459 | *indexPtr = 2; |
---|
460 | return TCL_OK; |
---|
461 | } |
---|
462 | /*FALLTHRU*/ |
---|
463 | } |
---|
464 | Tcl_AppendResult(interp, "bad axis \"", string, |
---|
465 | "\": should be x, y, or z", (char*)NULL); |
---|
466 | return TCL_ERROR; |
---|
467 | } |
---|
468 | |
---|
469 | /** |
---|
470 | * Used internally to decode an axis value from a string ("x", "y", |
---|
471 | * or "z") to its index (0, 1, or 2). Returns TCL_OK if successful, |
---|
472 | * along with a value in indexPtr. Otherwise, it returns TCL_ERROR |
---|
473 | * and an error message in the interpreter. |
---|
474 | */ |
---|
475 | int |
---|
476 | nv::GetAxisFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, int *indexPtr) |
---|
477 | { |
---|
478 | return GetAxis(interp, Tcl_GetString(objPtr), indexPtr); |
---|
479 | } |
---|
480 | |
---|
481 | /** |
---|
482 | * Used internally to decode an axis value from a string ("x", "y", |
---|
483 | * or "z") to its index (0, 1, or 2). Returns TCL_OK if successful, |
---|
484 | * along with a value in indexPtr. Otherwise, it returns TCL_ERROR |
---|
485 | * and an error message in the interpreter. |
---|
486 | */ |
---|
487 | static int |
---|
488 | GetAxisDirFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, int *indexPtr, int *dirPtr) |
---|
489 | { |
---|
490 | const char *string = Tcl_GetString(objPtr); |
---|
491 | |
---|
492 | int sign = 1; |
---|
493 | if (*string == '-') { |
---|
494 | sign = -1; |
---|
495 | string++; |
---|
496 | } |
---|
497 | if (GetAxis(interp, string, indexPtr) != TCL_OK) { |
---|
498 | return TCL_ERROR; |
---|
499 | } |
---|
500 | if (dirPtr != NULL) { |
---|
501 | *dirPtr = sign; |
---|
502 | } |
---|
503 | return TCL_OK; |
---|
504 | } |
---|
505 | |
---|
506 | /** |
---|
507 | * Used internally to decode a color value from a string ("R G B") |
---|
508 | * as a list of three numbers 0-1. Returns TCL_OK if successful, |
---|
509 | * along with RGB values in rgbPtr. Otherwise, it returns TCL_ERROR |
---|
510 | * and an error message in the interpreter. |
---|
511 | */ |
---|
512 | static int |
---|
513 | GetColor(Tcl_Interp *interp, int objc, Tcl_Obj *const *objv, float *rgbPtr) |
---|
514 | { |
---|
515 | if (objc < 3) { |
---|
516 | Tcl_AppendResult(interp, "missing color values\": ", |
---|
517 | "should list of R G B values 0.0 - 1.0", (char*)NULL); |
---|
518 | return TCL_ERROR; |
---|
519 | } |
---|
520 | if ((GetFloatFromObj(interp, objv[0], rgbPtr + 0) != TCL_OK) || |
---|
521 | (GetFloatFromObj(interp, objv[1], rgbPtr + 1) != TCL_OK) || |
---|
522 | (GetFloatFromObj(interp, objv[2], rgbPtr + 2) != TCL_OK)) { |
---|
523 | return TCL_ERROR; |
---|
524 | } |
---|
525 | return TCL_OK; |
---|
526 | } |
---|
527 | |
---|
528 | /** |
---|
529 | * Read the requested number of bytes from standard input into the given |
---|
530 | * buffer. The buffer must have already been allocated for nBytes. The |
---|
531 | * buffer is then decompressed and decoded. |
---|
532 | */ |
---|
533 | int |
---|
534 | nv::GetDataStream(Tcl_Interp *interp, Rappture::Buffer &buf, int nBytes) |
---|
535 | { |
---|
536 | #if defined(USE_NEW_EVENT_LOOP) || defined(USE_THREADS) |
---|
537 | if (!SocketRead((char *)buf.bytes(), nBytes)) { |
---|
538 | return TCL_ERROR; |
---|
539 | } |
---|
540 | buf.count(nBytes); |
---|
541 | #else |
---|
542 | char buffer[8096]; |
---|
543 | |
---|
544 | clearerr(g_fIn); |
---|
545 | while (nBytes > 0) { |
---|
546 | unsigned int chunk; |
---|
547 | int nRead; |
---|
548 | |
---|
549 | chunk = (sizeof(buffer) < (unsigned int) nBytes) ? |
---|
550 | sizeof(buffer) : nBytes; |
---|
551 | nRead = fread(buffer, sizeof(char), chunk, g_fIn); |
---|
552 | if (ferror(g_fIn)) { |
---|
553 | Tcl_AppendResult(interp, "while reading data stream: ", |
---|
554 | Tcl_PosixError(interp), (char*)NULL); |
---|
555 | return TCL_ERROR; |
---|
556 | } |
---|
557 | if (feof(g_fIn)) { |
---|
558 | Tcl_AppendResult(interp, "premature EOF while reading data stream", |
---|
559 | (char*)NULL); |
---|
560 | return TCL_ERROR; |
---|
561 | } |
---|
562 | buf.append(buffer, nRead); |
---|
563 | nBytes -= nRead; |
---|
564 | } |
---|
565 | #endif |
---|
566 | Rappture::Outcome err; |
---|
567 | TRACE("Checking header [%.13s]", buf.bytes()); |
---|
568 | if (strncmp (buf.bytes(), "@@RP-ENC:", 9) == 0) { |
---|
569 | /* There's a header on the buffer, use it to decode the data. */ |
---|
570 | if (!Rappture::encoding::decode(err, buf, RPENC_HDR)) { |
---|
571 | Tcl_AppendResult(interp, err.remark(), (char*)NULL); |
---|
572 | return TCL_ERROR; |
---|
573 | } |
---|
574 | } else if (Rappture::encoding::isBase64(buf.bytes(), buf.size())) { |
---|
575 | /* No header, but it's base64 encoded. It's likely that it's both |
---|
576 | * base64 encoded and compressed. */ |
---|
577 | if (!Rappture::encoding::decode(err, buf, RPENC_B64 | RPENC_Z)) { |
---|
578 | Tcl_AppendResult(interp, err.remark(), (char*)NULL); |
---|
579 | return TCL_ERROR; |
---|
580 | } |
---|
581 | } |
---|
582 | return TCL_OK; |
---|
583 | } |
---|
584 | |
---|
585 | static int |
---|
586 | CameraAngleOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
587 | Tcl_Obj *const *objv) |
---|
588 | { |
---|
589 | float theta, phi, psi; |
---|
590 | if ((GetFloatFromObj(interp, objv[2], &phi) != TCL_OK) || |
---|
591 | (GetFloatFromObj(interp, objv[3], &theta) != TCL_OK) || |
---|
592 | (GetFloatFromObj(interp, objv[4], &psi) != TCL_OK)) { |
---|
593 | return TCL_ERROR; |
---|
594 | } |
---|
595 | NanoVis::rotateCamera(phi, theta, psi); |
---|
596 | return TCL_OK; |
---|
597 | } |
---|
598 | |
---|
599 | static int |
---|
600 | CameraOrientOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
601 | Tcl_Obj *const *objv) |
---|
602 | { |
---|
603 | double quat[4]; |
---|
604 | if ((Tcl_GetDoubleFromObj(interp, objv[2], &quat[3]) != TCL_OK) || |
---|
605 | (Tcl_GetDoubleFromObj(interp, objv[3], &quat[0]) != TCL_OK) || |
---|
606 | (Tcl_GetDoubleFromObj(interp, objv[4], &quat[1]) != TCL_OK) || |
---|
607 | (Tcl_GetDoubleFromObj(interp, objv[5], &quat[2]) != TCL_OK)) { |
---|
608 | return TCL_ERROR; |
---|
609 | } |
---|
610 | NanoVis::orientCamera(quat); |
---|
611 | return TCL_OK; |
---|
612 | } |
---|
613 | |
---|
614 | static int |
---|
615 | CameraPanOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
616 | Tcl_Obj *const *objv) |
---|
617 | { |
---|
618 | float x, y; |
---|
619 | if ((GetFloatFromObj(interp, objv[2], &x) != TCL_OK) || |
---|
620 | (GetFloatFromObj(interp, objv[3], &y) != TCL_OK)) { |
---|
621 | return TCL_ERROR; |
---|
622 | } |
---|
623 | NanoVis::panCamera(x, y); |
---|
624 | return TCL_OK; |
---|
625 | } |
---|
626 | |
---|
627 | static int |
---|
628 | CameraPositionOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
629 | Tcl_Obj *const *objv) |
---|
630 | { |
---|
631 | Vector3f pos; |
---|
632 | if ((GetFloatFromObj(interp, objv[2], &pos.x) != TCL_OK) || |
---|
633 | (GetFloatFromObj(interp, objv[3], &pos.y) != TCL_OK) || |
---|
634 | (GetFloatFromObj(interp, objv[4], &pos.z) != TCL_OK)) { |
---|
635 | return TCL_ERROR; |
---|
636 | } |
---|
637 | NanoVis::setCameraPosition(pos); |
---|
638 | return TCL_OK; |
---|
639 | } |
---|
640 | |
---|
641 | static int |
---|
642 | CameraResetOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
643 | Tcl_Obj *const *objv) |
---|
644 | { |
---|
645 | bool all = false; |
---|
646 | if (objc == 3) { |
---|
647 | const char *string = Tcl_GetString(objv[2]); |
---|
648 | char c = string[0]; |
---|
649 | if ((c != 'a') || (strcmp(string, "all") != 0)) { |
---|
650 | Tcl_AppendResult(interp, "bad camera reset option \"", string, |
---|
651 | "\": should be all", (char*)NULL); |
---|
652 | return TCL_ERROR; |
---|
653 | } |
---|
654 | all = true; |
---|
655 | } |
---|
656 | NanoVis::resetCamera(all); |
---|
657 | return TCL_OK; |
---|
658 | } |
---|
659 | |
---|
660 | static int |
---|
661 | CameraZoomOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
662 | Tcl_Obj *const *objv) |
---|
663 | { |
---|
664 | float z; |
---|
665 | if (GetFloatFromObj(interp, objv[2], &z) != TCL_OK) { |
---|
666 | return TCL_ERROR; |
---|
667 | } |
---|
668 | NanoVis::zoomCamera(z); |
---|
669 | return TCL_OK; |
---|
670 | } |
---|
671 | |
---|
672 | static CmdSpec cameraOps[] = { |
---|
673 | {"angle", 2, CameraAngleOp, 5, 5, "xAngle yAngle zAngle",}, |
---|
674 | {"orient", 1, CameraOrientOp, 6, 6, "qw qx qy qz",}, |
---|
675 | {"pan", 2, CameraPanOp, 4, 4, "x y",}, |
---|
676 | {"pos", 2, CameraPositionOp, 5, 5, "x y z",}, |
---|
677 | {"reset", 1, CameraResetOp, 2, 3, "?all?",}, |
---|
678 | {"zoom", 1, CameraZoomOp, 3, 3, "factor",}, |
---|
679 | }; |
---|
680 | static int nCameraOps = NumCmdSpecs(cameraOps); |
---|
681 | |
---|
682 | static int |
---|
683 | CameraCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
684 | Tcl_Obj *const *objv) |
---|
685 | { |
---|
686 | Tcl_ObjCmdProc *proc; |
---|
687 | |
---|
688 | proc = GetOpFromObj(interp, nCameraOps, cameraOps, |
---|
689 | CMDSPEC_ARG1, objc, objv, 0); |
---|
690 | if (proc == NULL) { |
---|
691 | return TCL_ERROR; |
---|
692 | } |
---|
693 | return (*proc) (clientData, interp, objc, objv); |
---|
694 | } |
---|
695 | |
---|
696 | static int |
---|
697 | SnapshotCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
698 | Tcl_Obj *const *objv) |
---|
699 | { |
---|
700 | int origWidth, origHeight, width, height; |
---|
701 | |
---|
702 | origWidth = NanoVis::winWidth; |
---|
703 | origHeight = NanoVis::winHeight; |
---|
704 | width = 2048; |
---|
705 | height = 2048; |
---|
706 | |
---|
707 | NanoVis::resizeOffscreenBuffer(width, height); |
---|
708 | NanoVis::bindOffscreenBuffer(); |
---|
709 | NanoVis::render(); |
---|
710 | NanoVis::readScreen(); |
---|
711 | #ifdef USE_THREADS |
---|
712 | queuePPM(g_queue, "nv>image -type print -bytes", |
---|
713 | NanoVis::screenBuffer, width, height); |
---|
714 | #else |
---|
715 | writePPM(g_fdOut, "nv>image -type print -bytes", |
---|
716 | NanoVis::screenBuffer, width, height); |
---|
717 | #endif |
---|
718 | NanoVis::resizeOffscreenBuffer(origWidth, origHeight); |
---|
719 | |
---|
720 | return TCL_OK; |
---|
721 | } |
---|
722 | |
---|
723 | static int |
---|
724 | CutplanePositionOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
725 | Tcl_Obj *const *objv) |
---|
726 | { |
---|
727 | float relval; |
---|
728 | if (GetFloatFromObj(interp, objv[2], &relval) != TCL_OK) { |
---|
729 | return TCL_ERROR; |
---|
730 | } |
---|
731 | |
---|
732 | // keep this just inside the volume so it doesn't disappear |
---|
733 | if (relval < 0.01f) { |
---|
734 | relval = 0.01f; |
---|
735 | } else if (relval > 0.99f) { |
---|
736 | relval = 0.99f; |
---|
737 | } |
---|
738 | |
---|
739 | int axis; |
---|
740 | if (GetAxisFromObj(interp, objv[3], &axis) != TCL_OK) { |
---|
741 | return TCL_ERROR; |
---|
742 | } |
---|
743 | |
---|
744 | std::vector<Volume *> ivol; |
---|
745 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
746 | return TCL_ERROR; |
---|
747 | } |
---|
748 | std::vector<Volume *>::iterator iter; |
---|
749 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
750 | (*iter)->setCutplanePosition(axis, relval); |
---|
751 | } |
---|
752 | return TCL_OK; |
---|
753 | } |
---|
754 | |
---|
755 | static int |
---|
756 | CutplaneStateOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
757 | Tcl_Obj *const *objv) |
---|
758 | { |
---|
759 | bool state; |
---|
760 | if (GetBooleanFromObj(interp, objv[2], &state) != TCL_OK) { |
---|
761 | return TCL_ERROR; |
---|
762 | } |
---|
763 | |
---|
764 | int axis; |
---|
765 | if (GetAxisFromObj(interp, objv[3], &axis) != TCL_OK) { |
---|
766 | return TCL_ERROR; |
---|
767 | } |
---|
768 | |
---|
769 | std::vector<Volume *> ivol; |
---|
770 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
771 | return TCL_ERROR; |
---|
772 | } |
---|
773 | if (state) { |
---|
774 | std::vector<Volume *>::iterator iter; |
---|
775 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
776 | (*iter)->enableCutplane(axis); |
---|
777 | } |
---|
778 | } else { |
---|
779 | std::vector<Volume *>::iterator iter; |
---|
780 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
781 | (*iter)->disableCutplane(axis); |
---|
782 | } |
---|
783 | } |
---|
784 | return TCL_OK; |
---|
785 | } |
---|
786 | |
---|
787 | static int |
---|
788 | CutplaneVisibleOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
789 | Tcl_Obj *const *objv) |
---|
790 | { |
---|
791 | bool state; |
---|
792 | if (GetBooleanFromObj(interp, objv[2], &state) != TCL_OK) { |
---|
793 | return TCL_ERROR; |
---|
794 | } |
---|
795 | |
---|
796 | std::vector<Volume *> ivol; |
---|
797 | if (GetVolumes(interp, objc - 3, objv + 3, &ivol) != TCL_OK) { |
---|
798 | return TCL_ERROR; |
---|
799 | } |
---|
800 | std::vector<Volume *>::iterator iter; |
---|
801 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
802 | (*iter)->cutplanesVisible(state); |
---|
803 | } |
---|
804 | return TCL_OK; |
---|
805 | } |
---|
806 | |
---|
807 | static CmdSpec cutplaneOps[] = { |
---|
808 | {"position", 1, CutplanePositionOp, 4, 0, "relval axis ?indices?",}, |
---|
809 | {"state", 1, CutplaneStateOp, 4, 0, "bool axis ?indices?",}, |
---|
810 | {"visible", 1, CutplaneVisibleOp, 3, 0, "bool ?indices?",}, |
---|
811 | }; |
---|
812 | static int nCutplaneOps = NumCmdSpecs(cutplaneOps); |
---|
813 | |
---|
814 | /* |
---|
815 | * ---------------------------------------------------------------------- |
---|
816 | * CLIENT COMMAND: |
---|
817 | * cutplane state on|off <axis> ?<volume>...? |
---|
818 | * cutplane position <relvalue> <axis> ?<volume>...? |
---|
819 | * |
---|
820 | * Clients send these commands to manipulate the cutplanes in one or |
---|
821 | * more data volumes. The "state" command turns a cutplane on or |
---|
822 | * off. The "position" command changes the position to a relative |
---|
823 | * value in the range 0-1. The <axis> can be x, y, or z. These |
---|
824 | * options are applied to the volumes represented by one or more |
---|
825 | * <volume> indices. If no volumes are specified, then all volumes |
---|
826 | * are updated. |
---|
827 | * ---------------------------------------------------------------------- |
---|
828 | */ |
---|
829 | static int |
---|
830 | CutplaneCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
831 | Tcl_Obj *const *objv) |
---|
832 | { |
---|
833 | Tcl_ObjCmdProc *proc; |
---|
834 | |
---|
835 | proc = GetOpFromObj(interp, nCutplaneOps, cutplaneOps, |
---|
836 | CMDSPEC_ARG1, objc, objv, 0); |
---|
837 | if (proc == NULL) { |
---|
838 | return TCL_ERROR; |
---|
839 | } |
---|
840 | return (*proc) (clientData, interp, objc, objv); |
---|
841 | } |
---|
842 | |
---|
843 | /* |
---|
844 | * ClientInfoCmd -- |
---|
845 | * |
---|
846 | * Log initial values to stats file. The first time this is called |
---|
847 | * "render_start" is written into the stats file. Afterwards, it |
---|
848 | * is "render_info". |
---|
849 | * |
---|
850 | * clientinfo list |
---|
851 | */ |
---|
852 | static int |
---|
853 | ClientInfoCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
854 | Tcl_Obj *const *objv) |
---|
855 | { |
---|
856 | Tcl_DString ds; |
---|
857 | Tcl_Obj *objPtr, *listObjPtr, **items; |
---|
858 | int result; |
---|
859 | int i, numItems, length; |
---|
860 | char buf[BUFSIZ]; |
---|
861 | const char *string; |
---|
862 | static int first = 1; |
---|
863 | |
---|
864 | if (objc != 2) { |
---|
865 | Tcl_AppendResult(interp, "wrong # of arguments: should be \"", |
---|
866 | Tcl_GetString(objv[0]), " list\"", (char *)NULL); |
---|
867 | return TCL_ERROR; |
---|
868 | } |
---|
869 | #ifdef KEEPSTATS |
---|
870 | /* Use the initial client key value pairs as the parts for a generating |
---|
871 | * a unique file name. */ |
---|
872 | int f = getStatsFile(objv[1]); |
---|
873 | if (f < 0) { |
---|
874 | Tcl_AppendResult(interp, "can't open stats file: ", |
---|
875 | Tcl_PosixError(interp), (char *)NULL); |
---|
876 | return TCL_ERROR; |
---|
877 | } |
---|
878 | #endif |
---|
879 | listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **)NULL); |
---|
880 | Tcl_IncrRefCount(listObjPtr); |
---|
881 | if (first) { |
---|
882 | first = false; |
---|
883 | objPtr = Tcl_NewStringObj("render_start", 12); |
---|
884 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
885 | /* renderer */ |
---|
886 | objPtr = Tcl_NewStringObj("renderer", 8); |
---|
887 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
888 | objPtr = Tcl_NewStringObj("nanovis", 7); |
---|
889 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
890 | /* pid */ |
---|
891 | objPtr = Tcl_NewStringObj("pid", 3); |
---|
892 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
893 | Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewLongObj((long)g_stats.pid)); |
---|
894 | /* host */ |
---|
895 | objPtr = Tcl_NewStringObj("host", 4); |
---|
896 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
897 | gethostname(buf, BUFSIZ-1); |
---|
898 | buf[BUFSIZ-1] = '\0'; |
---|
899 | objPtr = Tcl_NewStringObj(buf, -1); |
---|
900 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
901 | } else { |
---|
902 | objPtr = Tcl_NewStringObj("render_info", 11); |
---|
903 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
904 | } |
---|
905 | Tcl_DStringInit(&ds); |
---|
906 | /* date */ |
---|
907 | Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewStringObj("date", 4)); |
---|
908 | strcpy(buf, ctime(&g_stats.start.tv_sec)); |
---|
909 | buf[strlen(buf) - 1] = '\0'; |
---|
910 | Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewStringObj(buf, -1)); |
---|
911 | /* date_secs */ |
---|
912 | Tcl_ListObjAppendElement(interp, listObjPtr, |
---|
913 | Tcl_NewStringObj("date_secs", 9)); |
---|
914 | Tcl_ListObjAppendElement(interp, listObjPtr, |
---|
915 | Tcl_NewLongObj(g_stats.start.tv_sec)); |
---|
916 | /* Client arguments. */ |
---|
917 | if (Tcl_ListObjGetElements(interp, objv[1], &numItems, &items) != TCL_OK) { |
---|
918 | return TCL_ERROR; |
---|
919 | } |
---|
920 | for (i = 0; i < numItems; i++) { |
---|
921 | Tcl_ListObjAppendElement(interp, listObjPtr, items[i]); |
---|
922 | } |
---|
923 | Tcl_DStringInit(&ds); |
---|
924 | string = Tcl_GetStringFromObj(listObjPtr, &length); |
---|
925 | Tcl_DStringAppend(&ds, string, length); |
---|
926 | Tcl_DStringAppend(&ds, "\n", 1); |
---|
927 | #ifdef KEEPSTATS |
---|
928 | result = writeToStatsFile(f, Tcl_DStringValue(&ds), |
---|
929 | Tcl_DStringLength(&ds)); |
---|
930 | #else |
---|
931 | TRACE("clientinfo: %s", Tcl_DStringValue(&ds)); |
---|
932 | #endif |
---|
933 | Tcl_DStringFree(&ds); |
---|
934 | Tcl_DecrRefCount(listObjPtr); |
---|
935 | return result; |
---|
936 | } |
---|
937 | |
---|
938 | /* |
---|
939 | * ---------------------------------------------------------------------- |
---|
940 | * CLIENT COMMAND: |
---|
941 | * legend <volumeIndex> <width> <height> |
---|
942 | * |
---|
943 | * Clients use this to generate a legend image for the specified |
---|
944 | * transfer function. The legend image is a color gradient from 0 |
---|
945 | * to one, drawn in the given transfer function. The resulting image |
---|
946 | * is returned in the size <width> x <height>. |
---|
947 | * ---------------------------------------------------------------------- |
---|
948 | */ |
---|
949 | static int |
---|
950 | LegendCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
951 | Tcl_Obj *const *objv) |
---|
952 | { |
---|
953 | if (objc != 4) { |
---|
954 | Tcl_AppendResult(interp, "wrong # args: should be \"", |
---|
955 | Tcl_GetString(objv[0]), " transfunc width height\"", (char*)NULL); |
---|
956 | return TCL_ERROR; |
---|
957 | } |
---|
958 | |
---|
959 | const char *tfName = Tcl_GetString(objv[1]); |
---|
960 | TransferFunction *tf = NanoVis::getTransferFunction(tfName); |
---|
961 | if (tf == NULL) { |
---|
962 | Tcl_AppendResult(interp, "unknown transfer function \"", tfName, "\"", |
---|
963 | (char*)NULL); |
---|
964 | return TCL_ERROR; |
---|
965 | } |
---|
966 | int w, h; |
---|
967 | if ((Tcl_GetIntFromObj(interp, objv[2], &w) != TCL_OK) || |
---|
968 | (Tcl_GetIntFromObj(interp, objv[3], &h) != TCL_OK)) { |
---|
969 | return TCL_ERROR; |
---|
970 | } |
---|
971 | if (Volume::updatePending) { |
---|
972 | NanoVis::setVolumeRanges(); |
---|
973 | } |
---|
974 | NanoVis::renderLegend(tf, Volume::valueMin, Volume::valueMax, w, h, tfName); |
---|
975 | return TCL_OK; |
---|
976 | } |
---|
977 | |
---|
978 | static int |
---|
979 | ScreenBgColorOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
980 | Tcl_Obj *const *objv) |
---|
981 | { |
---|
982 | float rgb[3]; |
---|
983 | if ((GetFloatFromObj(interp, objv[2], &rgb[0]) != TCL_OK) || |
---|
984 | (GetFloatFromObj(interp, objv[3], &rgb[1]) != TCL_OK) || |
---|
985 | (GetFloatFromObj(interp, objv[4], &rgb[2]) != TCL_OK)) { |
---|
986 | return TCL_ERROR; |
---|
987 | } |
---|
988 | NanoVis::setBgColor(rgb); |
---|
989 | return TCL_OK; |
---|
990 | } |
---|
991 | |
---|
992 | /* |
---|
993 | * ---------------------------------------------------------------------- |
---|
994 | * CLIENT COMMAND: |
---|
995 | * screen size <width> <height> |
---|
996 | * |
---|
997 | * Clients send this command to set the size of the rendering area. |
---|
998 | * Future images are generated at the specified width/height. |
---|
999 | * ---------------------------------------------------------------------- |
---|
1000 | */ |
---|
1001 | static int |
---|
1002 | ScreenSizeOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1003 | Tcl_Obj *const *objv) |
---|
1004 | { |
---|
1005 | int w, h; |
---|
1006 | if ((Tcl_GetIntFromObj(interp, objv[2], &w) != TCL_OK) || |
---|
1007 | (Tcl_GetIntFromObj(interp, objv[3], &h) != TCL_OK)) { |
---|
1008 | return TCL_ERROR; |
---|
1009 | } |
---|
1010 | NanoVis::resizeOffscreenBuffer(w, h); |
---|
1011 | return TCL_OK; |
---|
1012 | } |
---|
1013 | |
---|
1014 | static CmdSpec screenOps[] = { |
---|
1015 | {"bgcolor", 1, ScreenBgColorOp, 5, 5, "r g b",}, |
---|
1016 | {"size", 1, ScreenSizeOp, 4, 4, "width height",}, |
---|
1017 | }; |
---|
1018 | static int nScreenOps = NumCmdSpecs(screenOps); |
---|
1019 | |
---|
1020 | static int |
---|
1021 | ScreenCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1022 | Tcl_Obj *const *objv) |
---|
1023 | { |
---|
1024 | Tcl_ObjCmdProc *proc; |
---|
1025 | |
---|
1026 | proc = GetOpFromObj(interp, nScreenOps, screenOps, |
---|
1027 | CMDSPEC_ARG1, objc, objv, 0); |
---|
1028 | if (proc == NULL) { |
---|
1029 | return TCL_ERROR; |
---|
1030 | } |
---|
1031 | return (*proc) (clientData, interp, objc, objv); |
---|
1032 | } |
---|
1033 | |
---|
1034 | /* |
---|
1035 | * ---------------------------------------------------------------------- |
---|
1036 | * CLIENT COMMAND: |
---|
1037 | * transfunc define <name> <colormap> <alphamap> |
---|
1038 | * where <colormap> = { <v> <r> <g> <b> ... } |
---|
1039 | * <alphamap> = { <v> <w> ... } |
---|
1040 | * |
---|
1041 | * Clients send these commands to manipulate the transfer functions. |
---|
1042 | * ---------------------------------------------------------------------- |
---|
1043 | */ |
---|
1044 | static int |
---|
1045 | TransfuncCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1046 | Tcl_Obj *const *objv) |
---|
1047 | { |
---|
1048 | if (objc < 2) { |
---|
1049 | Tcl_AppendResult(interp, "wrong # args: should be \"", |
---|
1050 | Tcl_GetString(objv[0]), " option arg arg...\"", (char*)NULL); |
---|
1051 | return TCL_ERROR; |
---|
1052 | } |
---|
1053 | |
---|
1054 | const char *string = Tcl_GetString(objv[1]); |
---|
1055 | char c = string[0]; |
---|
1056 | if ((c == 'd') && (strcmp(string, "define") == 0)) { |
---|
1057 | if (objc != 5) { |
---|
1058 | Tcl_AppendResult(interp, "wrong # args: should be \"", |
---|
1059 | Tcl_GetString(objv[0]), " define name colorMap alphaMap\"", |
---|
1060 | (char*)NULL); |
---|
1061 | return TCL_ERROR; |
---|
1062 | } |
---|
1063 | |
---|
1064 | // decode the data and store in a series of fields |
---|
1065 | int cmapc, amapc, i; |
---|
1066 | Tcl_Obj **cmapv; |
---|
1067 | Tcl_Obj **amapv; |
---|
1068 | |
---|
1069 | amapv = cmapv = NULL; |
---|
1070 | if (Tcl_ListObjGetElements(interp, objv[3], &cmapc, &cmapv) != TCL_OK) { |
---|
1071 | return TCL_ERROR; |
---|
1072 | } |
---|
1073 | if ((cmapc % 4) != 0) { |
---|
1074 | Tcl_AppendResult(interp, "wrong # elements is colormap: should be ", |
---|
1075 | "{ v r g b ... }", (char*)NULL); |
---|
1076 | return TCL_ERROR; |
---|
1077 | } |
---|
1078 | if (Tcl_ListObjGetElements(interp, objv[4], &amapc, &amapv) != TCL_OK) { |
---|
1079 | return TCL_ERROR; |
---|
1080 | } |
---|
1081 | if ((amapc % 2) != 0) { |
---|
1082 | Tcl_AppendResult(interp, "wrong # elements in alphamap: should be ", |
---|
1083 | " { v w ... }", (char*)NULL); |
---|
1084 | return TCL_ERROR; |
---|
1085 | } |
---|
1086 | |
---|
1087 | int numColors = cmapc/4; |
---|
1088 | float *colorKeys = new float[numColors]; |
---|
1089 | Vector3f *colors = new Vector3f[numColors]; |
---|
1090 | for (i = 0; i < cmapc; i += 4) { |
---|
1091 | int j; |
---|
1092 | double q[4]; |
---|
1093 | |
---|
1094 | for (j=0; j < 4; j++) { |
---|
1095 | if (Tcl_GetDoubleFromObj(interp, cmapv[i+j], &q[j]) != TCL_OK) { |
---|
1096 | return TCL_ERROR; |
---|
1097 | } |
---|
1098 | if ((q[j] < 0.0) || (q[j] > 1.0)) { |
---|
1099 | Tcl_AppendResult(interp, "bad colormap value \"", |
---|
1100 | Tcl_GetString(cmapv[i+j]), |
---|
1101 | "\": should be in the range 0-1", (char*)NULL); |
---|
1102 | return TCL_ERROR; |
---|
1103 | } |
---|
1104 | } |
---|
1105 | |
---|
1106 | colorKeys[i/4] = (float)q[0]; |
---|
1107 | colors[i/4].set((float)q[1], (float)q[2], (float)q[3]); |
---|
1108 | } |
---|
1109 | int numAlphas = amapc/2; |
---|
1110 | float *alphaKeys = new float[numAlphas]; |
---|
1111 | float *alphas = new float[numAlphas]; |
---|
1112 | for (i=0; i < amapc; i += 2) { |
---|
1113 | double q[2]; |
---|
1114 | int j; |
---|
1115 | |
---|
1116 | for (j=0; j < 2; j++) { |
---|
1117 | if (Tcl_GetDoubleFromObj(interp, amapv[i+j], &q[j]) != TCL_OK) { |
---|
1118 | return TCL_ERROR; |
---|
1119 | } |
---|
1120 | if ((q[j] < 0.0) || (q[j] > 1.0)) { |
---|
1121 | Tcl_AppendResult(interp, "bad alphamap value \"", |
---|
1122 | Tcl_GetString(amapv[i+j]), |
---|
1123 | "\": should be in the range 0-1", (char*)NULL); |
---|
1124 | return TCL_ERROR; |
---|
1125 | } |
---|
1126 | } |
---|
1127 | |
---|
1128 | alphaKeys[i/2] = (float)q[0]; |
---|
1129 | alphas[i/2] = (float)q[1]; |
---|
1130 | } |
---|
1131 | // sample the given function into discrete slots |
---|
1132 | const int nslots = 256; |
---|
1133 | float data[4*nslots]; |
---|
1134 | for (i=0; i < nslots; i++) { |
---|
1135 | float x = float(i)/(nslots-1); |
---|
1136 | Vector3f color; |
---|
1137 | float alpha; |
---|
1138 | TransferFunction::sample(x, colorKeys, colors, numColors, &color); |
---|
1139 | TransferFunction::sample(x, alphaKeys, alphas, numAlphas, &alpha); |
---|
1140 | |
---|
1141 | data[4*i] = color.r; |
---|
1142 | data[4*i+1] = color.g; |
---|
1143 | data[4*i+2] = color.b; |
---|
1144 | data[4*i+3] = alpha; |
---|
1145 | } |
---|
1146 | delete [] colorKeys; |
---|
1147 | delete [] colors; |
---|
1148 | delete [] alphaKeys; |
---|
1149 | delete [] alphas; |
---|
1150 | // find or create this transfer function |
---|
1151 | NanoVis::defineTransferFunction(Tcl_GetString(objv[2]), nslots, data); |
---|
1152 | } else { |
---|
1153 | Tcl_AppendResult(interp, "bad option \"", string, |
---|
1154 | "\": should be define", (char*)NULL); |
---|
1155 | return TCL_ERROR; |
---|
1156 | } |
---|
1157 | return TCL_OK; |
---|
1158 | } |
---|
1159 | |
---|
1160 | /* |
---|
1161 | * ---------------------------------------------------------------------- |
---|
1162 | * CLIENT COMMAND: |
---|
1163 | * up axis |
---|
1164 | * |
---|
1165 | * Clients use this to set the "up" direction for all volumes. Volumes |
---|
1166 | * are oriented such that this direction points upward. |
---|
1167 | * ---------------------------------------------------------------------- |
---|
1168 | */ |
---|
1169 | static int |
---|
1170 | UpCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const *objv) |
---|
1171 | { |
---|
1172 | if (objc != 2) { |
---|
1173 | Tcl_AppendResult(interp, "wrong # args: should be \"", |
---|
1174 | Tcl_GetString(objv[0]), " x|y|z|-x|-y|-z\"", (char*)NULL); |
---|
1175 | return TCL_ERROR; |
---|
1176 | } |
---|
1177 | |
---|
1178 | int sign; |
---|
1179 | int axis; |
---|
1180 | if (GetAxisDirFromObj(interp, objv[1], &axis, &sign) != TCL_OK) { |
---|
1181 | return TCL_ERROR; |
---|
1182 | } |
---|
1183 | NanoVis::setCameraUpdir(Camera::AxisDirection((axis+1)*sign)); |
---|
1184 | return TCL_OK; |
---|
1185 | } |
---|
1186 | |
---|
1187 | static int |
---|
1188 | VolumeAnimationCaptureOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1189 | Tcl_Obj *const *objv) |
---|
1190 | { |
---|
1191 | int total; |
---|
1192 | if (Tcl_GetIntFromObj(interp, objv[3], &total) != TCL_OK) { |
---|
1193 | return TCL_ERROR; |
---|
1194 | } |
---|
1195 | VolumeInterpolator *interpolator = |
---|
1196 | NanoVis::volRenderer->getVolumeInterpolator(); |
---|
1197 | interpolator->start(); |
---|
1198 | if (interpolator->isStarted()) { |
---|
1199 | const char *dirName = (objc < 5) ? NULL : Tcl_GetString(objv[4]); |
---|
1200 | for (int frameNum = 0; frameNum < total; ++frameNum) { |
---|
1201 | float fraction; |
---|
1202 | |
---|
1203 | fraction = ((float)frameNum) / (total - 1); |
---|
1204 | TRACE("fraction : %f", fraction); |
---|
1205 | interpolator->update(fraction); |
---|
1206 | |
---|
1207 | int fboOrig; |
---|
1208 | glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &fboOrig); |
---|
1209 | |
---|
1210 | NanoVis::bindOffscreenBuffer(); //enable offscreen render |
---|
1211 | |
---|
1212 | NanoVis::render(); |
---|
1213 | NanoVis::readScreen(); |
---|
1214 | |
---|
1215 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fboOrig); |
---|
1216 | |
---|
1217 | /* FIXME: this function requires 4-byte aligned RGB rows, |
---|
1218 | * but screen buffer is now 1 byte aligned for PPM images. |
---|
1219 | */ |
---|
1220 | writeBMPFile(frameNum, dirName, |
---|
1221 | NanoVis::screenBuffer, |
---|
1222 | NanoVis::winWidth, NanoVis::winHeight); |
---|
1223 | } |
---|
1224 | } |
---|
1225 | return TCL_OK; |
---|
1226 | } |
---|
1227 | |
---|
1228 | static int |
---|
1229 | VolumeAnimationClearOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1230 | Tcl_Obj *const *objv) |
---|
1231 | { |
---|
1232 | NanoVis::volRenderer->clearAnimatedVolumeInfo(); |
---|
1233 | return TCL_OK; |
---|
1234 | } |
---|
1235 | |
---|
1236 | static int |
---|
1237 | VolumeAnimationStartOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1238 | Tcl_Obj *const *objv) |
---|
1239 | { |
---|
1240 | NanoVis::volRenderer->startVolumeAnimation(); |
---|
1241 | return TCL_OK; |
---|
1242 | } |
---|
1243 | |
---|
1244 | static int |
---|
1245 | VolumeAnimationStopOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1246 | Tcl_Obj *const *objv) |
---|
1247 | { |
---|
1248 | NanoVis::volRenderer->stopVolumeAnimation(); |
---|
1249 | return TCL_OK; |
---|
1250 | } |
---|
1251 | |
---|
1252 | static int |
---|
1253 | VolumeAnimationVolumesOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1254 | Tcl_Obj *const *objv) |
---|
1255 | { |
---|
1256 | std::vector<Volume *> volumes; |
---|
1257 | if (GetVolumes(interp, objc - 3, objv + 3, &volumes) != TCL_OK) { |
---|
1258 | return TCL_ERROR; |
---|
1259 | } |
---|
1260 | TRACE("parsing volume data identifier"); |
---|
1261 | NanoVis::VolumeHashmap::iterator itr; |
---|
1262 | for (itr = NanoVis::volumeTable.begin(); |
---|
1263 | itr != NanoVis::volumeTable.end(); ++itr) { |
---|
1264 | NanoVis::volRenderer->addAnimatedVolume(itr->second); |
---|
1265 | } |
---|
1266 | return TCL_OK; |
---|
1267 | } |
---|
1268 | |
---|
1269 | static CmdSpec volumeAnimationOps[] = { |
---|
1270 | {"capture", 2, VolumeAnimationCaptureOp, 4, 5, "numframes ?filename?",}, |
---|
1271 | {"clear", 2, VolumeAnimationClearOp, 3, 3, "",}, |
---|
1272 | {"start", 3, VolumeAnimationStartOp, 3, 3, "",}, |
---|
1273 | {"stop", 3, VolumeAnimationStopOp, 3, 3, "",}, |
---|
1274 | {"volumes", 1, VolumeAnimationVolumesOp, 3, 0, "?indices?",}, |
---|
1275 | }; |
---|
1276 | |
---|
1277 | static int nVolumeAnimationOps = NumCmdSpecs(volumeAnimationOps); |
---|
1278 | |
---|
1279 | static int |
---|
1280 | VolumeAnimationOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1281 | Tcl_Obj *const *objv) |
---|
1282 | { |
---|
1283 | Tcl_ObjCmdProc *proc; |
---|
1284 | |
---|
1285 | proc = GetOpFromObj(interp, nVolumeAnimationOps, |
---|
1286 | volumeAnimationOps, CMDSPEC_ARG2, objc, objv, 0); |
---|
1287 | if (proc == NULL) { |
---|
1288 | return TCL_ERROR; |
---|
1289 | } |
---|
1290 | return (*proc) (clientData, interp, objc, objv); |
---|
1291 | } |
---|
1292 | |
---|
1293 | static int |
---|
1294 | VolumeDataFollowsOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1295 | Tcl_Obj *const *objv) |
---|
1296 | { |
---|
1297 | TRACE("Data Loading"); |
---|
1298 | |
---|
1299 | int nbytes; |
---|
1300 | if (Tcl_GetIntFromObj(interp, objv[3], &nbytes) != TCL_OK) { |
---|
1301 | return TCL_ERROR; |
---|
1302 | } |
---|
1303 | const char *tag = Tcl_GetString(objv[4]); |
---|
1304 | |
---|
1305 | if (nbytes <= 0) { |
---|
1306 | Tcl_AppendResult(interp, "bad # bytes request \"", |
---|
1307 | Tcl_GetString(objv[3]), "\" for \"data follows\"", (char *)NULL); |
---|
1308 | ERROR("Bad nbytes %d", nbytes); |
---|
1309 | return TCL_ERROR; |
---|
1310 | } |
---|
1311 | |
---|
1312 | Rappture::Buffer buf(nbytes); |
---|
1313 | if (GetDataStream(interp, buf, nbytes) != TCL_OK) { |
---|
1314 | return TCL_ERROR; |
---|
1315 | } |
---|
1316 | const char *bytes = buf.bytes(); |
---|
1317 | size_t nBytes = buf.size(); |
---|
1318 | |
---|
1319 | TRACE("Checking header [%.20s]", bytes); |
---|
1320 | |
---|
1321 | Volume *volume = NULL; |
---|
1322 | |
---|
1323 | if ((nBytes > 5) && (strncmp(bytes, "<HDR>", 5) == 0)) { |
---|
1324 | TRACE("ZincBlende Stream loading..."); |
---|
1325 | volume = ZincBlendeReconstructor::getInstance()->loadFromMemory(bytes); |
---|
1326 | if (volume == NULL) { |
---|
1327 | Tcl_AppendResult(interp, "can't get volume instance", (char *)NULL); |
---|
1328 | return TCL_ERROR; |
---|
1329 | } |
---|
1330 | TRACE("finish loading"); |
---|
1331 | |
---|
1332 | Vector3f scale = volume->getPhysicalScaling(); |
---|
1333 | Vector3f pos(scale); |
---|
1334 | pos *= -0.5; |
---|
1335 | volume->setPosition(pos); |
---|
1336 | |
---|
1337 | NanoVis::VolumeHashmap::iterator itr = NanoVis::volumeTable.find(tag); |
---|
1338 | if (itr != NanoVis::volumeTable.end()) { |
---|
1339 | Tcl_AppendResult(interp, "volume \"", tag, "\" already exists.", |
---|
1340 | (char *)NULL); |
---|
1341 | return TCL_ERROR; |
---|
1342 | } |
---|
1343 | NanoVis::volumeTable[tag] = volume; |
---|
1344 | volume->name(tag); |
---|
1345 | } else if ((nBytes > 14) && (strncmp(bytes, "# vtk DataFile", 14) == 0)) { |
---|
1346 | TRACE("VTK loading..."); |
---|
1347 | #ifdef USE_VTK |
---|
1348 | volume = load_vtk_volume_stream(tag, bytes, nBytes); |
---|
1349 | #else |
---|
1350 | std::stringstream fdata; |
---|
1351 | fdata.write(bytes, nBytes); |
---|
1352 | volume = load_vtk_volume_stream(tag, fdata); |
---|
1353 | #endif |
---|
1354 | if (volume == NULL) { |
---|
1355 | Tcl_AppendResult(interp, "Failed to load VTK file", (char*)NULL); |
---|
1356 | return TCL_ERROR; |
---|
1357 | } |
---|
1358 | } else { |
---|
1359 | // **Deprecated** OpenDX format |
---|
1360 | if ((nBytes > 5) && (strncmp(bytes, "<ODX>", 5) == 0)) { |
---|
1361 | bytes += 5; |
---|
1362 | nBytes -= 5; |
---|
1363 | } else if ((nBytes > 4) && (strncmp(bytes, "<DX>", 4) == 0)) { |
---|
1364 | bytes += 4; |
---|
1365 | nBytes -= 4; |
---|
1366 | } |
---|
1367 | TRACE("DX loading..."); |
---|
1368 | std::stringstream fdata; |
---|
1369 | fdata.write(bytes, nBytes); |
---|
1370 | volume = load_dx_volume_stream(tag, fdata); |
---|
1371 | if (volume == NULL) { |
---|
1372 | Tcl_AppendResult(interp, "Failed to load DX file", (char*)NULL); |
---|
1373 | return TCL_ERROR; |
---|
1374 | } |
---|
1375 | } |
---|
1376 | |
---|
1377 | if (volume != NULL) { |
---|
1378 | volume->disableCutplane(0); |
---|
1379 | volume->disableCutplane(1); |
---|
1380 | volume->disableCutplane(2); |
---|
1381 | volume->transferFunction(NanoVis::getTransferFunction("default")); |
---|
1382 | volume->visible(true); |
---|
1383 | |
---|
1384 | if (Volume::updatePending) { |
---|
1385 | NanoVis::setVolumeRanges(); |
---|
1386 | } |
---|
1387 | |
---|
1388 | char info[1024]; |
---|
1389 | int cmdLength = |
---|
1390 | sprintf(info, "nv>data tag %s min %g max %g vmin %g vmax %g\n", tag, |
---|
1391 | volume->wAxis.min(), volume->wAxis.max(), |
---|
1392 | Volume::valueMin, Volume::valueMax); |
---|
1393 | #ifdef USE_THREADS |
---|
1394 | queueResponse(info, cmdLength, Response::VOLATILE); |
---|
1395 | #else |
---|
1396 | if (SocketWrite(info, (size_t)cmdLength) != (ssize_t)cmdLength) { |
---|
1397 | ERROR("Short write"); |
---|
1398 | return TCL_ERROR; |
---|
1399 | } |
---|
1400 | #endif |
---|
1401 | } |
---|
1402 | |
---|
1403 | return TCL_OK; |
---|
1404 | } |
---|
1405 | |
---|
1406 | static int |
---|
1407 | VolumeDataStateOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1408 | Tcl_Obj *const *objv) |
---|
1409 | { |
---|
1410 | bool state; |
---|
1411 | if (GetBooleanFromObj(interp, objv[3], &state) != TCL_OK) { |
---|
1412 | return TCL_ERROR; |
---|
1413 | } |
---|
1414 | std::vector<Volume *> ivol; |
---|
1415 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1416 | return TCL_ERROR; |
---|
1417 | } |
---|
1418 | std::vector<Volume *>::iterator iter; |
---|
1419 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1420 | (*iter)->dataEnabled(state); |
---|
1421 | } |
---|
1422 | return TCL_OK; |
---|
1423 | } |
---|
1424 | |
---|
1425 | static CmdSpec volumeDataOps[] = { |
---|
1426 | {"follows", 1, VolumeDataFollowsOp, 5, 5, "nbytes tag",}, |
---|
1427 | {"state", 1, VolumeDataStateOp, 4, 0, "bool ?indices?",}, |
---|
1428 | }; |
---|
1429 | static int nVolumeDataOps = NumCmdSpecs(volumeDataOps); |
---|
1430 | |
---|
1431 | static int |
---|
1432 | VolumeDataOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1433 | Tcl_Obj *const *objv) |
---|
1434 | { |
---|
1435 | Tcl_ObjCmdProc *proc; |
---|
1436 | |
---|
1437 | proc = GetOpFromObj(interp, nVolumeDataOps, volumeDataOps, |
---|
1438 | CMDSPEC_ARG2, objc, objv, 0); |
---|
1439 | if (proc == NULL) { |
---|
1440 | return TCL_ERROR; |
---|
1441 | } |
---|
1442 | return (*proc) (clientData, interp, objc, objv); |
---|
1443 | } |
---|
1444 | |
---|
1445 | static int |
---|
1446 | VolumeDeleteOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1447 | Tcl_Obj *const *objv) |
---|
1448 | { |
---|
1449 | for (int i = 2; i < objc; i++) { |
---|
1450 | Volume *volume; |
---|
1451 | if (GetVolumeFromObj(interp, objv[i], &volume) != TCL_OK) { |
---|
1452 | return TCL_ERROR; |
---|
1453 | } |
---|
1454 | NanoVis::removeVolume(volume); |
---|
1455 | } |
---|
1456 | NanoVis::eventuallyRedraw(); |
---|
1457 | return TCL_OK; |
---|
1458 | } |
---|
1459 | |
---|
1460 | static int |
---|
1461 | VolumeExistsOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1462 | Tcl_Obj *const *objv) |
---|
1463 | { |
---|
1464 | bool value; |
---|
1465 | Volume *volume; |
---|
1466 | |
---|
1467 | value = false; |
---|
1468 | if (GetVolumeFromObj(NULL, objv[2], &volume) == TCL_OK) { |
---|
1469 | value = true; |
---|
1470 | } |
---|
1471 | Tcl_SetBooleanObj(Tcl_GetObjResult(interp), (int)value); |
---|
1472 | return TCL_OK; |
---|
1473 | } |
---|
1474 | |
---|
1475 | static int |
---|
1476 | VolumeNamesOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1477 | Tcl_Obj *const *objv) |
---|
1478 | { |
---|
1479 | Tcl_Obj *listObjPtr; |
---|
1480 | listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **) NULL); |
---|
1481 | NanoVis::VolumeHashmap::iterator itr; |
---|
1482 | for (itr = NanoVis::volumeTable.begin(); |
---|
1483 | itr != NanoVis::volumeTable.end(); ++itr) { |
---|
1484 | Tcl_Obj *objPtr = Tcl_NewStringObj(itr->second->name(), -1); |
---|
1485 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
1486 | } |
---|
1487 | Tcl_SetObjResult(interp, listObjPtr); |
---|
1488 | return TCL_OK; |
---|
1489 | } |
---|
1490 | |
---|
1491 | static int |
---|
1492 | VolumeOutlineColorOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1493 | Tcl_Obj *const *objv) |
---|
1494 | { |
---|
1495 | float rgb[3]; |
---|
1496 | if (GetColor(interp, objc - 3, objv + 3, rgb) != TCL_OK) { |
---|
1497 | return TCL_ERROR; |
---|
1498 | } |
---|
1499 | std::vector<Volume *> ivol; |
---|
1500 | if (GetVolumes(interp, objc - 6, objv + 6, &ivol) != TCL_OK) { |
---|
1501 | return TCL_ERROR; |
---|
1502 | } |
---|
1503 | std::vector<Volume *>::iterator iter; |
---|
1504 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1505 | (*iter)->setOutlineColor(rgb); |
---|
1506 | } |
---|
1507 | return TCL_OK; |
---|
1508 | } |
---|
1509 | |
---|
1510 | static int |
---|
1511 | VolumeOutlineStateOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1512 | Tcl_Obj *const *objv) |
---|
1513 | { |
---|
1514 | bool state; |
---|
1515 | if (GetBooleanFromObj(interp, objv[3], &state) != TCL_OK) { |
---|
1516 | return TCL_ERROR; |
---|
1517 | } |
---|
1518 | std::vector<Volume *> ivol; |
---|
1519 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1520 | return TCL_ERROR; |
---|
1521 | } |
---|
1522 | std::vector<Volume *>::iterator iter; |
---|
1523 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1524 | (*iter)->outline(state); |
---|
1525 | } |
---|
1526 | return TCL_OK; |
---|
1527 | } |
---|
1528 | |
---|
1529 | static CmdSpec volumeOutlineOps[] = { |
---|
1530 | {"color", 1, VolumeOutlineColorOp, 6, 0, "r g b ?indices?",}, |
---|
1531 | {"state", 1, VolumeOutlineStateOp, 4, 0, "bool ?indices?",}, |
---|
1532 | {"visible", 1, VolumeOutlineStateOp, 4, 0, "bool ?indices?",}, |
---|
1533 | }; |
---|
1534 | static int nVolumeOutlineOps = NumCmdSpecs(volumeOutlineOps); |
---|
1535 | |
---|
1536 | static int |
---|
1537 | VolumeOutlineOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1538 | Tcl_Obj *const *objv) |
---|
1539 | { |
---|
1540 | Tcl_ObjCmdProc *proc; |
---|
1541 | |
---|
1542 | proc = GetOpFromObj(interp, nVolumeOutlineOps, volumeOutlineOps, |
---|
1543 | CMDSPEC_ARG2, objc, objv, 0); |
---|
1544 | if (proc == NULL) { |
---|
1545 | return TCL_ERROR; |
---|
1546 | } |
---|
1547 | return (*proc) (clientData, interp, objc, objv); |
---|
1548 | } |
---|
1549 | |
---|
1550 | static int |
---|
1551 | VolumeShadingAmbientOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1552 | Tcl_Obj *const *objv) |
---|
1553 | { |
---|
1554 | float ambient; |
---|
1555 | if (GetFloatFromObj(interp, objv[3], &ambient) != TCL_OK) { |
---|
1556 | return TCL_ERROR; |
---|
1557 | } |
---|
1558 | if (ambient < 0.0f || ambient > 1.0f) { |
---|
1559 | WARN("Invalid ambient coefficient requested: %g, should be [0,1]", ambient); |
---|
1560 | } |
---|
1561 | std::vector<Volume *> ivol; |
---|
1562 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1563 | return TCL_ERROR; |
---|
1564 | } |
---|
1565 | std::vector<Volume *>::iterator iter; |
---|
1566 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1567 | (*iter)->ambient(ambient); |
---|
1568 | } |
---|
1569 | return TCL_OK; |
---|
1570 | } |
---|
1571 | |
---|
1572 | static int |
---|
1573 | VolumeShadingDiffuseOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1574 | Tcl_Obj *const *objv) |
---|
1575 | { |
---|
1576 | float diffuse; |
---|
1577 | if (GetFloatFromObj(interp, objv[3], &diffuse) != TCL_OK) { |
---|
1578 | return TCL_ERROR; |
---|
1579 | } |
---|
1580 | if (diffuse < 0.0f || diffuse > 1.0f) { |
---|
1581 | WARN("Invalid diffuse coefficient requested: %g, should be [0,1]", diffuse); |
---|
1582 | } |
---|
1583 | std::vector<Volume *> ivol; |
---|
1584 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1585 | return TCL_ERROR; |
---|
1586 | } |
---|
1587 | std::vector<Volume *>::iterator iter; |
---|
1588 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1589 | (*iter)->diffuse(diffuse); |
---|
1590 | } |
---|
1591 | return TCL_OK; |
---|
1592 | } |
---|
1593 | |
---|
1594 | static int |
---|
1595 | VolumeShadingIsosurfaceOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1596 | Tcl_Obj *const *objv) |
---|
1597 | { |
---|
1598 | bool iso_surface; |
---|
1599 | if (GetBooleanFromObj(interp, objv[3], &iso_surface) != TCL_OK) { |
---|
1600 | return TCL_ERROR; |
---|
1601 | } |
---|
1602 | std::vector<Volume *> ivol; |
---|
1603 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1604 | return TCL_ERROR; |
---|
1605 | } |
---|
1606 | std::vector<Volume *>::iterator iter; |
---|
1607 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1608 | (*iter)->isosurface(iso_surface); |
---|
1609 | } |
---|
1610 | return TCL_OK; |
---|
1611 | } |
---|
1612 | |
---|
1613 | static int |
---|
1614 | VolumeShadingLight2SideOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1615 | Tcl_Obj *const *objv) |
---|
1616 | { |
---|
1617 | bool twoSidedLighting; |
---|
1618 | if (GetBooleanFromObj(interp, objv[3], &twoSidedLighting) != TCL_OK) { |
---|
1619 | return TCL_ERROR; |
---|
1620 | } |
---|
1621 | std::vector<Volume *> ivol; |
---|
1622 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1623 | return TCL_ERROR; |
---|
1624 | } |
---|
1625 | std::vector<Volume *>::iterator iter; |
---|
1626 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1627 | (*iter)->twoSidedLighting(twoSidedLighting); |
---|
1628 | } |
---|
1629 | return TCL_OK; |
---|
1630 | } |
---|
1631 | |
---|
1632 | static int |
---|
1633 | VolumeShadingOpacityOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1634 | Tcl_Obj *const *objv) |
---|
1635 | { |
---|
1636 | |
---|
1637 | float opacity; |
---|
1638 | if (GetFloatFromObj(interp, objv[3], &opacity) != TCL_OK) { |
---|
1639 | return TCL_ERROR; |
---|
1640 | } |
---|
1641 | TRACE("set opacity %f", opacity); |
---|
1642 | std::vector<Volume *> ivol; |
---|
1643 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1644 | return TCL_ERROR; |
---|
1645 | } |
---|
1646 | std::vector<Volume *>::iterator iter; |
---|
1647 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1648 | (*iter)->opacityScale(opacity); |
---|
1649 | } |
---|
1650 | return TCL_OK; |
---|
1651 | } |
---|
1652 | |
---|
1653 | static int |
---|
1654 | VolumeShadingSpecularOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1655 | Tcl_Obj *const *objv) |
---|
1656 | { |
---|
1657 | float specular; |
---|
1658 | if (GetFloatFromObj(interp, objv[3], &specular) != TCL_OK) { |
---|
1659 | return TCL_ERROR; |
---|
1660 | } |
---|
1661 | if (specular < 0.0f || specular > 1.0f) { |
---|
1662 | WARN("Invalid specular coefficient requested: %g, should be [0,1]", specular); |
---|
1663 | } |
---|
1664 | std::vector<Volume *> ivol; |
---|
1665 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1666 | return TCL_ERROR; |
---|
1667 | } |
---|
1668 | std::vector<Volume *>::iterator iter; |
---|
1669 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1670 | (*iter)->specularLevel(specular); |
---|
1671 | } |
---|
1672 | return TCL_OK; |
---|
1673 | } |
---|
1674 | |
---|
1675 | static int |
---|
1676 | VolumeShadingSpecularExpOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1677 | Tcl_Obj *const *objv) |
---|
1678 | { |
---|
1679 | float specularExp; |
---|
1680 | if (GetFloatFromObj(interp, objv[3], &specularExp) != TCL_OK) { |
---|
1681 | return TCL_ERROR; |
---|
1682 | } |
---|
1683 | if (specularExp < 0.0f || specularExp > 128.0f) { |
---|
1684 | WARN("Invalid specular exponent requested: %g, should be [0,128]", specularExp); |
---|
1685 | } |
---|
1686 | std::vector<Volume *> ivol; |
---|
1687 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1688 | return TCL_ERROR; |
---|
1689 | } |
---|
1690 | std::vector<Volume *>::iterator iter; |
---|
1691 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1692 | (*iter)->specularExponent(specularExp); |
---|
1693 | } |
---|
1694 | return TCL_OK; |
---|
1695 | } |
---|
1696 | |
---|
1697 | static int |
---|
1698 | VolumeShadingTransFuncOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1699 | Tcl_Obj *const *objv) |
---|
1700 | { |
---|
1701 | const char *name = Tcl_GetString(objv[3]); |
---|
1702 | TransferFunction *tf = NanoVis::getTransferFunction(name); |
---|
1703 | if (tf == NULL) { |
---|
1704 | Tcl_AppendResult(interp, "transfer function \"", name, |
---|
1705 | "\" is not defined", (char*)NULL); |
---|
1706 | return TCL_ERROR; |
---|
1707 | } |
---|
1708 | std::vector<Volume *> ivol; |
---|
1709 | if (GetVolumes(interp, objc - 4, objv + 4, &ivol) != TCL_OK) { |
---|
1710 | return TCL_ERROR; |
---|
1711 | } |
---|
1712 | std::vector<Volume *>::iterator iter; |
---|
1713 | for (iter = ivol.begin(); iter != ivol.end(); ++iter) { |
---|
1714 | TRACE("setting %s with transfer function %s", (*iter)->name(), |
---|
1715 | tf->name()); |
---|
1716 | (*iter)->transferFunction(tf); |
---|
1717 | } |
---|
1718 | return TCL_OK; |
---|
1719 | } |
---|
1720 | |
---|
1721 | static CmdSpec volumeShadingOps[] = { |
---|
1722 | {"ambient", 1, VolumeShadingAmbientOp, 4, 0, "value ?indices?",}, |
---|
1723 | {"diffuse", 1, VolumeShadingDiffuseOp, 4, 0, "value ?indices?",}, |
---|
1724 | {"isosurface", 1, VolumeShadingIsosurfaceOp, 4, 0, "bool ?indices?",}, |
---|
1725 | {"light2side", 1, VolumeShadingLight2SideOp, 4, 0, "bool ?indices?",}, |
---|
1726 | {"opacity", 1, VolumeShadingOpacityOp, 4, 0, "value ?indices?",}, |
---|
1727 | {"specularExp", 9, VolumeShadingSpecularExpOp, 4, 0, "value ?indices?",}, |
---|
1728 | {"specularLevel", 9, VolumeShadingSpecularOp, 4, 0, "value ?indices?",}, |
---|
1729 | {"transfunc", 1, VolumeShadingTransFuncOp, 4, 0, "funcName ?indices?",}, |
---|
1730 | }; |
---|
1731 | static int nVolumeShadingOps = NumCmdSpecs(volumeShadingOps); |
---|
1732 | |
---|
1733 | static int |
---|
1734 | VolumeShadingOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1735 | Tcl_Obj *const *objv) |
---|
1736 | { |
---|
1737 | Tcl_ObjCmdProc *proc; |
---|
1738 | |
---|
1739 | proc = GetOpFromObj(interp, nVolumeShadingOps, volumeShadingOps, |
---|
1740 | CMDSPEC_ARG2, objc, objv, 0); |
---|
1741 | if (proc == NULL) { |
---|
1742 | return TCL_ERROR; |
---|
1743 | } |
---|
1744 | return (*proc) (clientData, interp, objc, objv); |
---|
1745 | } |
---|
1746 | |
---|
1747 | static int |
---|
1748 | VolumeStateOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1749 | Tcl_Obj *const *objv) |
---|
1750 | { |
---|
1751 | bool state; |
---|
1752 | if (GetBooleanFromObj(interp, objv[2], &state) != TCL_OK) { |
---|
1753 | return TCL_ERROR; |
---|
1754 | } |
---|
1755 | std::vector<Volume *> ivol; |
---|
1756 | if (GetVolumes(interp, objc - 3, objv + 3, &ivol) != TCL_OK) { |
---|
1757 | return TCL_ERROR; |
---|
1758 | } |
---|
1759 | std::vector<Volume *>::iterator iter; |
---|
1760 | for (iter = ivol.begin(); iter != ivol.end(); iter++) { |
---|
1761 | (*iter)->visible(state); |
---|
1762 | } |
---|
1763 | return TCL_OK; |
---|
1764 | } |
---|
1765 | |
---|
1766 | static CmdSpec volumeOps[] = { |
---|
1767 | {"animation", 2, VolumeAnimationOp, 3, 0, "oper ?args?",}, |
---|
1768 | {"data", 2, VolumeDataOp, 3, 0, "oper ?args?",}, |
---|
1769 | {"delete", 2, VolumeDeleteOp, 3, 0, "?name...?",}, |
---|
1770 | {"exists", 1, VolumeExistsOp, 3, 3, "name",}, |
---|
1771 | {"names", 1, VolumeNamesOp, 2, 2, "",}, |
---|
1772 | {"outline", 1, VolumeOutlineOp, 3, 0, "oper ?args?",}, |
---|
1773 | {"shading", 2, VolumeShadingOp, 3, 0, "oper ?args?",}, |
---|
1774 | {"state", 2, VolumeStateOp, 3, 0, "bool ?indices?",}, |
---|
1775 | }; |
---|
1776 | static int nVolumeOps = NumCmdSpecs(volumeOps); |
---|
1777 | |
---|
1778 | static int |
---|
1779 | VolumeCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1780 | Tcl_Obj *const *objv) |
---|
1781 | { |
---|
1782 | Tcl_ObjCmdProc *proc; |
---|
1783 | |
---|
1784 | proc = GetOpFromObj(interp, nVolumeOps, volumeOps, |
---|
1785 | CMDSPEC_ARG1, objc, objv, 0); |
---|
1786 | if (proc == NULL) { |
---|
1787 | return TCL_ERROR; |
---|
1788 | } |
---|
1789 | return (*proc) (clientData, interp, objc, objv); |
---|
1790 | } |
---|
1791 | |
---|
1792 | static int |
---|
1793 | HeightMapDataFollowsOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1794 | Tcl_Obj *const *objv) |
---|
1795 | { |
---|
1796 | int nBytes; |
---|
1797 | if (Tcl_GetIntFromObj(interp, objv[3], &nBytes) != TCL_OK) { |
---|
1798 | return TCL_ERROR; |
---|
1799 | } |
---|
1800 | const char *tag = Tcl_GetString(objv[4]); |
---|
1801 | |
---|
1802 | Rappture::Buffer buf(nBytes); |
---|
1803 | if (GetDataStream(interp, buf, nBytes) != TCL_OK) { |
---|
1804 | return TCL_ERROR; |
---|
1805 | } |
---|
1806 | Unirect2d data(1); |
---|
1807 | if (data.parseBuffer(interp, buf.bytes(), buf.size()) != TCL_OK) { |
---|
1808 | return TCL_ERROR; |
---|
1809 | } |
---|
1810 | if (data.nValues() == 0) { |
---|
1811 | Tcl_AppendResult(interp, "no data found in stream", (char *)NULL); |
---|
1812 | return TCL_ERROR; |
---|
1813 | } |
---|
1814 | if (!data.isInitialized()) { |
---|
1815 | return TCL_ERROR; |
---|
1816 | } |
---|
1817 | HeightMap *heightMap; |
---|
1818 | NanoVis::HeightMapHashmap::iterator itr = NanoVis::heightMapTable.find(tag); |
---|
1819 | if (itr != NanoVis::heightMapTable.end()) { |
---|
1820 | heightMap = itr->second; |
---|
1821 | } else { |
---|
1822 | heightMap = new HeightMap(); |
---|
1823 | NanoVis::heightMapTable[tag] = heightMap; |
---|
1824 | } |
---|
1825 | TRACE("Number of heightmaps=%d", NanoVis::heightMapTable.size()); |
---|
1826 | // Must set units before the heights. |
---|
1827 | heightMap->xAxis.units(data.xUnits()); |
---|
1828 | heightMap->yAxis.units(data.yUnits()); |
---|
1829 | heightMap->zAxis.units(data.vUnits()); |
---|
1830 | heightMap->wAxis.units(data.yUnits()); |
---|
1831 | heightMap->setHeight(data.xMin(), data.yMin(), data.xMax(), data.yMax(), |
---|
1832 | data.xNum(), data.yNum(), data.transferValues()); |
---|
1833 | heightMap->transferFunction(NanoVis::getTransferFunction("default")); |
---|
1834 | heightMap->setVisible(true); |
---|
1835 | heightMap->setLineContourVisible(true); |
---|
1836 | NanoVis::eventuallyRedraw(); |
---|
1837 | return TCL_OK; |
---|
1838 | } |
---|
1839 | |
---|
1840 | static int |
---|
1841 | HeightMapDataVisibleOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1842 | Tcl_Obj *const *objv) |
---|
1843 | { |
---|
1844 | bool visible; |
---|
1845 | if (GetBooleanFromObj(interp, objv[3], &visible) != TCL_OK) { |
---|
1846 | return TCL_ERROR; |
---|
1847 | } |
---|
1848 | std::vector<HeightMap *> imap; |
---|
1849 | if (GetHeightMaps(interp, objc - 4, objv + 4, &imap) != TCL_OK) { |
---|
1850 | return TCL_ERROR; |
---|
1851 | } |
---|
1852 | std::vector<HeightMap *>::iterator iter; |
---|
1853 | for (iter = imap.begin(); iter != imap.end(); iter++) { |
---|
1854 | (*iter)->setVisible(visible); |
---|
1855 | } |
---|
1856 | NanoVis::eventuallyRedraw(); |
---|
1857 | return TCL_OK; |
---|
1858 | } |
---|
1859 | |
---|
1860 | static CmdSpec heightMapDataOps[] = { |
---|
1861 | {"follows", 1, HeightMapDataFollowsOp, 5, 5, "size heightmapName",}, |
---|
1862 | {"visible", 1, HeightMapDataVisibleOp, 4, 0, "bool ?heightmapNames...?",}, |
---|
1863 | }; |
---|
1864 | static int nHeightMapDataOps = NumCmdSpecs(heightMapDataOps); |
---|
1865 | |
---|
1866 | static int |
---|
1867 | HeightMapDataOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1868 | Tcl_Obj *const *objv) |
---|
1869 | { |
---|
1870 | Tcl_ObjCmdProc *proc; |
---|
1871 | |
---|
1872 | proc = GetOpFromObj(interp, nHeightMapDataOps, heightMapDataOps, |
---|
1873 | CMDSPEC_ARG2, objc, objv, 0); |
---|
1874 | if (proc == NULL) { |
---|
1875 | return TCL_ERROR; |
---|
1876 | } |
---|
1877 | return (*proc) (clientData, interp, objc, objv); |
---|
1878 | } |
---|
1879 | |
---|
1880 | static int |
---|
1881 | HeightMapLineContourColorOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1882 | Tcl_Obj *const *objv) |
---|
1883 | { |
---|
1884 | float rgb[3]; |
---|
1885 | if (GetColor(interp, objc - 3, objv + 3, rgb) != TCL_OK) { |
---|
1886 | return TCL_ERROR; |
---|
1887 | } |
---|
1888 | std::vector<HeightMap *> imap; |
---|
1889 | if (GetHeightMaps(interp, objc - 6, objv + 6, &imap) != TCL_OK) { |
---|
1890 | return TCL_ERROR; |
---|
1891 | } |
---|
1892 | std::vector<HeightMap *>::iterator iter; |
---|
1893 | for (iter = imap.begin(); iter != imap.end(); iter++) { |
---|
1894 | (*iter)->setLineContourColor(rgb); |
---|
1895 | } |
---|
1896 | NanoVis::eventuallyRedraw(); |
---|
1897 | return TCL_OK; |
---|
1898 | } |
---|
1899 | |
---|
1900 | static int |
---|
1901 | HeightMapLineContourVisibleOp(ClientData clientData, Tcl_Interp *interp, |
---|
1902 | int objc, Tcl_Obj *const *objv) |
---|
1903 | { |
---|
1904 | bool visible; |
---|
1905 | if (GetBooleanFromObj(interp, objv[3], &visible) != TCL_OK) { |
---|
1906 | return TCL_ERROR; |
---|
1907 | } |
---|
1908 | std::vector<HeightMap *> imap; |
---|
1909 | if (GetHeightMaps(interp, objc - 4, objv + 4, &imap) != TCL_OK) { |
---|
1910 | return TCL_ERROR; |
---|
1911 | } |
---|
1912 | std::vector<HeightMap *>::iterator iter; |
---|
1913 | for (iter = imap.begin(); iter != imap.end(); iter++) { |
---|
1914 | (*iter)->setLineContourVisible(visible); |
---|
1915 | } |
---|
1916 | NanoVis::eventuallyRedraw(); |
---|
1917 | return TCL_OK; |
---|
1918 | } |
---|
1919 | |
---|
1920 | static CmdSpec heightMapLineContourOps[] = { |
---|
1921 | {"color", 1, HeightMapLineContourColorOp, 6, 0, "r g b ?heightmapNames...?",}, |
---|
1922 | {"visible", 1, HeightMapLineContourVisibleOp, 4, 0, "bool ?heightmapNames...?",}, |
---|
1923 | }; |
---|
1924 | static int nHeightMapLineContourOps = NumCmdSpecs(heightMapLineContourOps); |
---|
1925 | |
---|
1926 | static int |
---|
1927 | HeightMapLineContourOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1928 | Tcl_Obj *const *objv) |
---|
1929 | { |
---|
1930 | Tcl_ObjCmdProc *proc; |
---|
1931 | |
---|
1932 | proc = GetOpFromObj(interp, nHeightMapLineContourOps, |
---|
1933 | heightMapLineContourOps, CMDSPEC_ARG2, objc, objv, 0); |
---|
1934 | if (proc == NULL) { |
---|
1935 | return TCL_ERROR; |
---|
1936 | } |
---|
1937 | return (*proc) (clientData, interp, objc, objv); |
---|
1938 | } |
---|
1939 | |
---|
1940 | static int |
---|
1941 | HeightMapCullOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1942 | Tcl_Obj *const *objv) |
---|
1943 | { |
---|
1944 | RenderContext::CullMode mode; |
---|
1945 | if (GetCullMode(interp, objv[2], &mode) != TCL_OK) { |
---|
1946 | return TCL_ERROR; |
---|
1947 | } |
---|
1948 | NanoVis::renderContext->setCullMode(mode); |
---|
1949 | NanoVis::eventuallyRedraw(); |
---|
1950 | return TCL_OK; |
---|
1951 | } |
---|
1952 | |
---|
1953 | static int |
---|
1954 | HeightMapCreateOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1955 | Tcl_Obj *const *objv) |
---|
1956 | { |
---|
1957 | const char *tag = Tcl_GetString(objv[2]); |
---|
1958 | NanoVis::HeightMapHashmap::iterator itr = NanoVis::heightMapTable.find(tag); |
---|
1959 | if (itr != NanoVis::heightMapTable.end()) { |
---|
1960 | Tcl_AppendResult(interp, "heightmap \"", tag, "\" already exists.", |
---|
1961 | (char *)NULL); |
---|
1962 | return TCL_ERROR; |
---|
1963 | } |
---|
1964 | /* heightmap create xmin ymin xmax ymax xnum ynum values */ |
---|
1965 | HeightMap *heightMap = CreateHeightMap(clientData, interp, objc - 3, objv + 3); |
---|
1966 | if (heightMap == NULL) { |
---|
1967 | return TCL_ERROR; |
---|
1968 | } |
---|
1969 | NanoVis::heightMapTable[tag] = heightMap; |
---|
1970 | NanoVis::eventuallyRedraw(); |
---|
1971 | TRACE("Number of heightmaps=%d", NanoVis::heightMapTable.size()); |
---|
1972 | return TCL_OK; |
---|
1973 | } |
---|
1974 | |
---|
1975 | static int |
---|
1976 | HeightMapLegendOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
1977 | Tcl_Obj *const *objv) |
---|
1978 | { |
---|
1979 | HeightMap *hmPtr; |
---|
1980 | if (GetHeightMapFromObj(interp, objv[2], &hmPtr) != TCL_OK) { |
---|
1981 | return TCL_ERROR; |
---|
1982 | } |
---|
1983 | const char *tag; |
---|
1984 | tag = Tcl_GetString(objv[2]); |
---|
1985 | TransferFunction *tfPtr; |
---|
1986 | tfPtr = hmPtr->transferFunction(); |
---|
1987 | if (tfPtr == NULL) { |
---|
1988 | Tcl_AppendResult(interp, "no transfer function defined for heightmap" |
---|
1989 | " \"", tag, "\"", (char*)NULL); |
---|
1990 | return TCL_ERROR; |
---|
1991 | } |
---|
1992 | int w, h; |
---|
1993 | if ((Tcl_GetIntFromObj(interp, objv[3], &w) != TCL_OK) || |
---|
1994 | (Tcl_GetIntFromObj(interp, objv[4], &h) != TCL_OK)) { |
---|
1995 | return TCL_ERROR; |
---|
1996 | } |
---|
1997 | if (HeightMap::updatePending) { |
---|
1998 | NanoVis::setHeightmapRanges(); |
---|
1999 | } |
---|
2000 | NanoVis::renderLegend(tfPtr, HeightMap::valueMin, HeightMap::valueMax, |
---|
2001 | w, h, tag); |
---|
2002 | return TCL_OK; |
---|
2003 | } |
---|
2004 | |
---|
2005 | static int |
---|
2006 | HeightMapPolygonOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2007 | Tcl_Obj *const *objv) |
---|
2008 | { |
---|
2009 | RenderContext::PolygonMode mode; |
---|
2010 | if (GetPolygonMode(interp, objv[2], &mode) != TCL_OK) { |
---|
2011 | return TCL_ERROR; |
---|
2012 | } |
---|
2013 | NanoVis::renderContext->setPolygonMode(mode); |
---|
2014 | NanoVis::eventuallyRedraw(); |
---|
2015 | return TCL_OK; |
---|
2016 | } |
---|
2017 | |
---|
2018 | static int |
---|
2019 | HeightMapShadingOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2020 | Tcl_Obj *const *objv) |
---|
2021 | { |
---|
2022 | RenderContext::ShadingModel model; |
---|
2023 | if (GetShadingModel(interp, objv[2], &model) != TCL_OK) { |
---|
2024 | return TCL_ERROR; |
---|
2025 | } |
---|
2026 | NanoVis::renderContext->setShadingModel(model); |
---|
2027 | NanoVis::eventuallyRedraw(); |
---|
2028 | return TCL_OK; |
---|
2029 | } |
---|
2030 | |
---|
2031 | static int |
---|
2032 | HeightMapTransFuncOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2033 | Tcl_Obj *const *objv) |
---|
2034 | { |
---|
2035 | const char *name; |
---|
2036 | name = Tcl_GetString(objv[2]); |
---|
2037 | TransferFunction *tf = NanoVis::getTransferFunction(name); |
---|
2038 | if (tf == NULL) { |
---|
2039 | Tcl_AppendResult(interp, "transfer function \"", name, |
---|
2040 | "\" is not defined", (char*)NULL); |
---|
2041 | return TCL_ERROR; |
---|
2042 | } |
---|
2043 | std::vector<HeightMap *> imap; |
---|
2044 | if (GetHeightMaps(interp, objc - 3, objv + 3, &imap) != TCL_OK) { |
---|
2045 | return TCL_ERROR; |
---|
2046 | } |
---|
2047 | std::vector<HeightMap *>::iterator iter; |
---|
2048 | for (iter = imap.begin(); iter != imap.end(); iter++) { |
---|
2049 | (*iter)->transferFunction(tf); |
---|
2050 | } |
---|
2051 | NanoVis::eventuallyRedraw(); |
---|
2052 | return TCL_OK; |
---|
2053 | } |
---|
2054 | |
---|
2055 | static int |
---|
2056 | HeightMapOpacityOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2057 | Tcl_Obj *const *objv) |
---|
2058 | { |
---|
2059 | float opacity; |
---|
2060 | if (GetFloatFromObj(interp, objv[2], &opacity) != TCL_OK) { |
---|
2061 | return TCL_ERROR; |
---|
2062 | } |
---|
2063 | std::vector<HeightMap *> heightmaps; |
---|
2064 | if (GetHeightMaps(interp, objc - 3, objv + 3, &heightmaps) != TCL_OK) { |
---|
2065 | return TCL_ERROR; |
---|
2066 | } |
---|
2067 | std::vector<HeightMap *>::iterator iter; |
---|
2068 | for (iter = heightmaps.begin(); iter != heightmaps.end(); iter++) { |
---|
2069 | (*iter)->opacity(opacity); |
---|
2070 | } |
---|
2071 | NanoVis::eventuallyRedraw(); |
---|
2072 | return TCL_OK; |
---|
2073 | } |
---|
2074 | |
---|
2075 | static CmdSpec heightMapOps[] = { |
---|
2076 | {"create", 2, HeightMapCreateOp, 10, 10, "heightmapName xmin ymin xmax ymax xnum ynum values",}, |
---|
2077 | {"cull", 2, HeightMapCullOp, 3, 3, "mode",}, |
---|
2078 | {"data", 1, HeightMapDataOp, 3, 0, "oper ?args?",}, |
---|
2079 | {"legend", 2, HeightMapLegendOp, 5, 5, "heightmapName width height",}, |
---|
2080 | {"linecontour", 2, HeightMapLineContourOp, 2, 0, "oper ?args?",}, |
---|
2081 | {"opacity", 1, HeightMapOpacityOp, 3, 0, "value ?heightmapNames...? ",}, |
---|
2082 | {"polygon", 1, HeightMapPolygonOp, 3, 3, "mode",}, |
---|
2083 | {"shading", 1, HeightMapShadingOp, 3, 3, "model",}, |
---|
2084 | {"transfunc", 2, HeightMapTransFuncOp, 3, 0, "name ?heightmapNames...?",}, |
---|
2085 | }; |
---|
2086 | static int nHeightMapOps = NumCmdSpecs(heightMapOps); |
---|
2087 | |
---|
2088 | static int |
---|
2089 | HeightMapCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2090 | Tcl_Obj *const *objv) |
---|
2091 | { |
---|
2092 | Tcl_ObjCmdProc *proc; |
---|
2093 | |
---|
2094 | proc = GetOpFromObj(interp, nHeightMapOps, heightMapOps, |
---|
2095 | CMDSPEC_ARG1, objc, objv, 0); |
---|
2096 | if (proc == NULL) { |
---|
2097 | return TCL_ERROR; |
---|
2098 | } |
---|
2099 | return (*proc) (clientData, interp, objc, objv); |
---|
2100 | } |
---|
2101 | |
---|
2102 | static int |
---|
2103 | GridAxisColorOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2104 | Tcl_Obj *const *objv) |
---|
2105 | { |
---|
2106 | float r, g, b, a; |
---|
2107 | if ((GetFloatFromObj(interp, objv[2], &r) != TCL_OK) || |
---|
2108 | (GetFloatFromObj(interp, objv[3], &g) != TCL_OK) || |
---|
2109 | (GetFloatFromObj(interp, objv[4], &b) != TCL_OK)) { |
---|
2110 | return TCL_ERROR; |
---|
2111 | } |
---|
2112 | a = 1.0f; |
---|
2113 | if ((objc == 6) && (GetFloatFromObj(interp, objv[5], &a) != TCL_OK)) { |
---|
2114 | return TCL_ERROR; |
---|
2115 | } |
---|
2116 | if (NanoVis::grid) { |
---|
2117 | NanoVis::grid->setAxisColor(r, g, b, a); |
---|
2118 | } |
---|
2119 | return TCL_OK; |
---|
2120 | } |
---|
2121 | |
---|
2122 | static int |
---|
2123 | GridAxisNameOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2124 | Tcl_Obj *const *objv) |
---|
2125 | { |
---|
2126 | int axis; |
---|
2127 | if (GetAxisFromObj(interp, objv[2], &axis) != TCL_OK) { |
---|
2128 | return TCL_ERROR; |
---|
2129 | } |
---|
2130 | if (NanoVis::grid != NULL) { |
---|
2131 | Axis *axisPtr = NULL; |
---|
2132 | switch (axis) { |
---|
2133 | case 0: axisPtr = &NanoVis::grid->xAxis; break; |
---|
2134 | case 1: axisPtr = &NanoVis::grid->yAxis; break; |
---|
2135 | case 2: axisPtr = &NanoVis::grid->zAxis; break; |
---|
2136 | } |
---|
2137 | axisPtr->name(Tcl_GetString(objv[3])); |
---|
2138 | axisPtr->units(Tcl_GetString(objv[4])); |
---|
2139 | } |
---|
2140 | return TCL_OK; |
---|
2141 | } |
---|
2142 | |
---|
2143 | static int |
---|
2144 | GridLineColorOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2145 | Tcl_Obj *const *objv) |
---|
2146 | { |
---|
2147 | float r, g, b, a; |
---|
2148 | if ((GetFloatFromObj(interp, objv[2], &r) != TCL_OK) || |
---|
2149 | (GetFloatFromObj(interp, objv[3], &g) != TCL_OK) || |
---|
2150 | (GetFloatFromObj(interp, objv[4], &b) != TCL_OK)) { |
---|
2151 | return TCL_ERROR; |
---|
2152 | } |
---|
2153 | a = 1.0f; |
---|
2154 | if ((objc == 6) && (GetFloatFromObj(interp, objv[5], &a) != TCL_OK)) { |
---|
2155 | return TCL_ERROR; |
---|
2156 | } |
---|
2157 | if (NanoVis::grid) { |
---|
2158 | NanoVis::grid->setLineColor(r, g, b, a); |
---|
2159 | } |
---|
2160 | return TCL_OK; |
---|
2161 | } |
---|
2162 | |
---|
2163 | static int |
---|
2164 | GridVisibleOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2165 | Tcl_Obj *const *objv) |
---|
2166 | { |
---|
2167 | bool visible; |
---|
2168 | if (GetBooleanFromObj(interp, objv[2], &visible) != TCL_OK) { |
---|
2169 | return TCL_ERROR; |
---|
2170 | } |
---|
2171 | NanoVis::grid->setVisible(visible); |
---|
2172 | return TCL_OK; |
---|
2173 | } |
---|
2174 | |
---|
2175 | static CmdSpec gridOps[] = { |
---|
2176 | {"axiscolor", 5, GridAxisColorOp, 5, 6, "r g b ?a?",}, |
---|
2177 | {"axisname", 5, GridAxisNameOp, 5, 5, "index title units",}, |
---|
2178 | {"linecolor", 7, GridLineColorOp, 5, 6, "r g b ?a?",}, |
---|
2179 | {"visible", 1, GridVisibleOp, 3, 3, "bool",}, |
---|
2180 | }; |
---|
2181 | static int nGridOps = NumCmdSpecs(gridOps); |
---|
2182 | |
---|
2183 | static int |
---|
2184 | GridCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2185 | Tcl_Obj *const *objv) |
---|
2186 | { |
---|
2187 | Tcl_ObjCmdProc *proc; |
---|
2188 | |
---|
2189 | proc = GetOpFromObj(interp, nGridOps, gridOps, |
---|
2190 | CMDSPEC_ARG1, objc, objv, 0); |
---|
2191 | if (proc == NULL) { |
---|
2192 | return TCL_ERROR; |
---|
2193 | } |
---|
2194 | return (*proc) (clientData, interp, objc, objv); |
---|
2195 | } |
---|
2196 | |
---|
2197 | static int |
---|
2198 | AxisCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2199 | Tcl_Obj *const *objv) |
---|
2200 | { |
---|
2201 | if (objc < 2) { |
---|
2202 | Tcl_AppendResult(interp, "wrong # args: should be \"", |
---|
2203 | Tcl_GetString(objv[0]), " option arg arg...\"", (char*)NULL); |
---|
2204 | return TCL_ERROR; |
---|
2205 | } |
---|
2206 | const char *string = Tcl_GetString(objv[1]); |
---|
2207 | char c = string[0]; |
---|
2208 | if ((c == 'v') && (strcmp(string, "visible") == 0)) { |
---|
2209 | bool visible; |
---|
2210 | |
---|
2211 | if (GetBooleanFromObj(interp, objv[2], &visible) != TCL_OK) { |
---|
2212 | return TCL_ERROR; |
---|
2213 | } |
---|
2214 | #ifdef USE_ORIENTATION_INDICATOR |
---|
2215 | NanoVis::orientationIndicator->setVisible(visible); |
---|
2216 | #else |
---|
2217 | NanoVis::axisOn = visible; |
---|
2218 | #endif |
---|
2219 | } else { |
---|
2220 | Tcl_AppendResult(interp, "bad axis option \"", string, |
---|
2221 | "\": should be visible", (char*)NULL); |
---|
2222 | return TCL_ERROR; |
---|
2223 | } |
---|
2224 | return TCL_OK; |
---|
2225 | } |
---|
2226 | |
---|
2227 | static int |
---|
2228 | ImageFlushCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
2229 | Tcl_Obj *const *objv) |
---|
2230 | { |
---|
2231 | lastCmdStatus = TCL_BREAK; |
---|
2232 | return TCL_OK; |
---|
2233 | } |
---|
2234 | |
---|
2235 | /** |
---|
2236 | * \brief Execute commands from client in Tcl interpreter |
---|
2237 | * |
---|
2238 | * In this threaded model, the select call is for event compression. We |
---|
2239 | * want to execute render server commands as long as they keep coming. |
---|
2240 | * This lets us execute a stream of many commands but render once. This |
---|
2241 | * benefits camera movements, screen resizing, and opacity changes |
---|
2242 | * (using a slider on the client). The down side is you don't render |
---|
2243 | * until there's a lull in the command stream. If the client needs an |
---|
2244 | * image, it can issue an "imgflush" command. That breaks us out of the |
---|
2245 | * read loop. |
---|
2246 | */ |
---|
2247 | int |
---|
2248 | nv::processCommands(Tcl_Interp *interp, |
---|
2249 | ReadBuffer *inBufPtr, int fdOut) |
---|
2250 | { |
---|
2251 | int ret = 1; |
---|
2252 | int status = TCL_OK; |
---|
2253 | |
---|
2254 | Tcl_DString command; |
---|
2255 | Tcl_DStringInit(&command); |
---|
2256 | fd_set readFds; |
---|
2257 | struct timeval tv, *tvPtr; |
---|
2258 | |
---|
2259 | FD_ZERO(&readFds); |
---|
2260 | FD_SET(inBufPtr->file(), &readFds); |
---|
2261 | tvPtr = NULL; /* Wait for the first read. This is so |
---|
2262 | * that we don't spin when no data is |
---|
2263 | * available. */ |
---|
2264 | while (inBufPtr->isLineAvailable() || |
---|
2265 | (select(inBufPtr->file()+1, &readFds, NULL, NULL, tvPtr) > 0)) { |
---|
2266 | size_t numBytes; |
---|
2267 | unsigned char *buffer; |
---|
2268 | |
---|
2269 | /* A short read is treated as an error here because we assume that we |
---|
2270 | * will always get commands line by line. */ |
---|
2271 | if (inBufPtr->getLine(&numBytes, &buffer) != ReadBuffer::OK) { |
---|
2272 | /* Terminate the server if we can't communicate with the client |
---|
2273 | * anymore. */ |
---|
2274 | if (inBufPtr->status() == ReadBuffer::ENDFILE) { |
---|
2275 | TRACE("Exiting server on EOF from client"); |
---|
2276 | return -1; |
---|
2277 | } else { |
---|
2278 | ERROR("Exiting server, failed to read from client: %s", |
---|
2279 | strerror(errno)); |
---|
2280 | return -1; |
---|
2281 | } |
---|
2282 | } |
---|
2283 | Tcl_DStringAppend(&command, (char *)buffer, numBytes); |
---|
2284 | if (Tcl_CommandComplete(Tcl_DStringValue(&command))) { |
---|
2285 | struct timeval start, finish; |
---|
2286 | gettimeofday(&start, NULL); |
---|
2287 | status = ExecuteCommand(interp, &command); |
---|
2288 | gettimeofday(&finish, NULL); |
---|
2289 | g_stats.cmdTime += (MSECS_ELAPSED(start, finish) / 1.0e+3); |
---|
2290 | g_stats.nCommands++; |
---|
2291 | if (status == TCL_BREAK) { |
---|
2292 | return 1; /* This was caused by a "imgflush" |
---|
2293 | * command. Break out of the read loop |
---|
2294 | * and allow a new image to be |
---|
2295 | * rendered. */ |
---|
2296 | } else { //if (status != TCL_OK) { |
---|
2297 | ret = 0; |
---|
2298 | if (handleError(interp, status, fdOut) < 0) { |
---|
2299 | return -1; |
---|
2300 | } |
---|
2301 | } |
---|
2302 | } |
---|
2303 | |
---|
2304 | tv.tv_sec = tv.tv_usec = 0L; /* On successive reads, we break out |
---|
2305 | * if no data is available. */ |
---|
2306 | FD_SET(inBufPtr->file(), &readFds); |
---|
2307 | tvPtr = &tv; |
---|
2308 | } |
---|
2309 | |
---|
2310 | return ret; |
---|
2311 | } |
---|
2312 | |
---|
2313 | /** |
---|
2314 | * \brief Send error message to client socket |
---|
2315 | */ |
---|
2316 | int |
---|
2317 | nv::handleError(Tcl_Interp *interp, int status, int fdOut) |
---|
2318 | { |
---|
2319 | const char *string; |
---|
2320 | int nBytes; |
---|
2321 | |
---|
2322 | if (status != TCL_OK) { |
---|
2323 | string = Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY); |
---|
2324 | nBytes = strlen(string); |
---|
2325 | if (nBytes > 0) { |
---|
2326 | TRACE("status=%d errorInfo=(%s)", status, string); |
---|
2327 | |
---|
2328 | std::ostringstream oss; |
---|
2329 | oss << "nv>viserror -type internal_error -token " << g_stats.nCommands << " -bytes " << nBytes << "\n" << string; |
---|
2330 | std::string ostr = oss.str(); |
---|
2331 | nBytes = ostr.length(); |
---|
2332 | |
---|
2333 | #ifdef USE_THREADS |
---|
2334 | queueResponse(ostr.c_str(), nBytes, Response::VOLATILE, Response::ERROR); |
---|
2335 | #else |
---|
2336 | if (write(fdOut, oss.str().c_str(), nBytes) < 0) { |
---|
2337 | ERROR("write failed: %s", strerror(errno)); |
---|
2338 | return -1; |
---|
2339 | } |
---|
2340 | #endif |
---|
2341 | } |
---|
2342 | } |
---|
2343 | |
---|
2344 | std::string msg = getUserMessages(); |
---|
2345 | nBytes = msg.length(); |
---|
2346 | if (nBytes > 0) { |
---|
2347 | string = msg.c_str(); |
---|
2348 | TRACE("userError=(%s)", string); |
---|
2349 | |
---|
2350 | std::ostringstream oss; |
---|
2351 | oss << "nv>viserror -type error -token " << g_stats.nCommands << " -bytes " << nBytes << "\n" << string; |
---|
2352 | std::string ostr = oss.str(); |
---|
2353 | nBytes = ostr.length(); |
---|
2354 | |
---|
2355 | #ifdef USE_THREADS |
---|
2356 | queueResponse(ostr.c_str(), nBytes, Response::VOLATILE, Response::ERROR); |
---|
2357 | #else |
---|
2358 | if (write(fdOut, ostr.c_str(), nBytes) < 0) { |
---|
2359 | ERROR("write failed: %s", strerror(errno)); |
---|
2360 | return -1; |
---|
2361 | } |
---|
2362 | #endif |
---|
2363 | clearUserMessages(); |
---|
2364 | } |
---|
2365 | |
---|
2366 | return 0; |
---|
2367 | } |
---|
2368 | |
---|
2369 | void |
---|
2370 | nv::initTcl(Tcl_Interp *interp, ClientData clientData) |
---|
2371 | { |
---|
2372 | Tcl_MakeSafe(interp); |
---|
2373 | |
---|
2374 | Tcl_CreateObjCommand(interp, "axis", AxisCmd, clientData, NULL); |
---|
2375 | Tcl_CreateObjCommand(interp, "camera", CameraCmd, clientData, NULL); |
---|
2376 | Tcl_CreateObjCommand(interp, "clientinfo", ClientInfoCmd, clientData, NULL); |
---|
2377 | Tcl_CreateObjCommand(interp, "cutplane", CutplaneCmd, clientData, NULL); |
---|
2378 | FlowCmdInitProc(interp, clientData); |
---|
2379 | Tcl_CreateObjCommand(interp, "grid", GridCmd, clientData, NULL); |
---|
2380 | Tcl_CreateObjCommand(interp, "heightmap", HeightMapCmd, clientData, NULL); |
---|
2381 | Tcl_CreateObjCommand(interp, "imgflush", ImageFlushCmd, clientData, NULL); |
---|
2382 | Tcl_CreateObjCommand(interp, "legend", LegendCmd, clientData, NULL); |
---|
2383 | Tcl_CreateObjCommand(interp, "screen", ScreenCmd, clientData, NULL); |
---|
2384 | Tcl_CreateObjCommand(interp, "snapshot", SnapshotCmd, clientData, NULL); |
---|
2385 | Tcl_CreateObjCommand(interp, "transfunc", TransfuncCmd, clientData, NULL); |
---|
2386 | Tcl_CreateObjCommand(interp, "up", UpCmd, clientData, NULL); |
---|
2387 | Tcl_CreateObjCommand(interp, "volume", VolumeCmd, clientData, NULL); |
---|
2388 | |
---|
2389 | // create a default transfer function |
---|
2390 | if (Tcl_Eval(interp, def_transfunc) != TCL_OK) { |
---|
2391 | WARN("bad default transfer function:\n%s", |
---|
2392 | Tcl_GetStringResult(interp)); |
---|
2393 | } |
---|
2394 | } |
---|