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lwout_gml.c
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22  * Copyright 2010-2012 Oslandia
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26 
27 
34 #include <string.h>
35 #include "liblwgeom_internal.h"
36 #include "liblwgeom.h"
37 #include "stringbuffer.h"
38 
39 typedef struct
40 {
41  const char *srs;
42  int precision;
43  int opts;
44  int is_patch;
45  const char *prefix;
46  const char *id;
47 } GML_Options;
48 
49 
50 static void
51 asgml2_ptarray(stringbuffer_t* sb, const POINTARRAY *pa, const GML_Options* opts)
52 {
53  uint32_t i;
54  if ( ! FLAGS_GET_Z(pa->flags) )
55  {
56  for (i=0; i<pa->npoints; i++)
57  {
58  const POINT2D *pt = getPoint2d_cp(pa, i);
59  if (i) stringbuffer_append_char(sb, ' ');
60  stringbuffer_append_double(sb, pt->x, opts->precision);
61  stringbuffer_append_char(sb, ',');
62  stringbuffer_append_double(sb, pt->y, opts->precision);
63  }
64  }
65  else
66  {
67  for (i=0; i<pa->npoints; i++)
68  {
69  const POINT3D *pt = getPoint3d_cp(pa, i);
70  if (i) stringbuffer_append_char(sb, ' ');
71  stringbuffer_append_double(sb, pt->x, opts->precision);
72  stringbuffer_append_char(sb, ',');
73  stringbuffer_append_double(sb, pt->y, opts->precision);
74  stringbuffer_append_char(sb, ',');
75  stringbuffer_append_double(sb, pt->z, opts->precision);
76  }
77  }
78 }
79 
80 
81 static void
82 asgml2_gbox(stringbuffer_t* sb, const GBOX *bbox, const GML_Options* opts)
83 {
84  if (!bbox)
85  {
86  stringbuffer_aprintf(sb, "<%sBox", opts->prefix);
87  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
88  stringbuffer_append(sb, "/>");
89  return;
90  }
91  else
92  {
93  POINT4D pt = { bbox->xmin, bbox->ymin, bbox->zmin, 0.0 };
94  POINTARRAY *pa = ptarray_construct_empty(FLAGS_GET_Z(bbox->flags), 0, 2);
95  ptarray_append_point(pa, &pt, LW_TRUE);
96  pt.x = bbox->xmax; pt.y = bbox->ymax; pt.z = bbox->zmax;
97  ptarray_append_point(pa, &pt, LW_TRUE);
98 
99  if (opts->srs) stringbuffer_aprintf(sb, "<%sBox srsName=\"%s\">", opts->prefix, opts->srs);
100  else stringbuffer_aprintf(sb, "<%sBox>", opts->prefix);
101 
102  stringbuffer_aprintf(sb, "<%scoordinates>", opts->prefix);
103  asgml2_ptarray(sb, pa, opts);
104  stringbuffer_aprintf(sb, "</%scoordinates>", opts->prefix);
105  stringbuffer_aprintf(sb, "</%sBox>", opts->prefix);
106 
107  ptarray_free(pa);
108  }
109 }
110 
111 static void
112 asgml3_ptarray(stringbuffer_t* sb, const POINTARRAY *pa, const GML_Options* opts)
113 {
114  uint32_t i;
115  if ( ! FLAGS_GET_Z(pa->flags) )
116  {
117  for (i=0; i<pa->npoints; i++)
118  {
119  const POINT2D *pt = getPoint2d_cp(pa, i);
120  if (i) stringbuffer_append_char(sb, ' ');
121  if (IS_DEGREE(opts->opts))
122  {
123  stringbuffer_append_double(sb, pt->y, opts->precision);
124  stringbuffer_append_char(sb, ' ');
125  stringbuffer_append_double(sb, pt->x, opts->precision);
126  }
127  else
128  {
129  stringbuffer_append_double(sb, pt->x, opts->precision);
130  stringbuffer_append_char(sb, ' ');
131  stringbuffer_append_double(sb, pt->y, opts->precision);
132  }
133  }
134  }
135  else
136  {
137  for (i=0; i<pa->npoints; i++)
138  {
139  const POINT3D *pt = getPoint3d_cp(pa, i);
140  if (i) stringbuffer_append_char(sb, ' ');
141  if (IS_DEGREE(opts->opts))
142  {
143  stringbuffer_append_double(sb, pt->y, opts->precision);
144  stringbuffer_append_char(sb, ' ');
145  stringbuffer_append_double(sb, pt->x, opts->precision);
146  stringbuffer_append_char(sb, ' ');
147  stringbuffer_append_double(sb, pt->z, opts->precision);
148  }
149  else
150  {
151  stringbuffer_append_double(sb, pt->x, opts->precision);
152  stringbuffer_append_char(sb, ' ');
153  stringbuffer_append_double(sb, pt->y, opts->precision);
154  stringbuffer_append_char(sb, ' ');
155  stringbuffer_append_double(sb, pt->z, opts->precision);
156  }
157  }
158  }
159 }
160 
161 
162 static void
163 asgml3_gbox(stringbuffer_t* sb, const GBOX *bbox, const GML_Options* opts)
164 {
165  if (!bbox)
166  {
167  stringbuffer_aprintf(sb, "<%sEnvelope", opts->prefix);
168  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
169  stringbuffer_append(sb, "/>");
170  return;
171  }
172  else
173  {
174  int dimension = FLAGS_GET_Z(bbox->flags) ? 3 : 2;
175 
176  POINTARRAY *pa = ptarray_construct_empty(FLAGS_GET_Z(bbox->flags), 0, 1);
177  POINT4D pt = { bbox->xmin, bbox->ymin, bbox->zmin, 0.0 };
178  ptarray_append_point(pa, &pt, LW_TRUE);
179 
180  stringbuffer_aprintf(sb, "<%sEnvelope", opts->prefix);
181  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
182  if (IS_DIMS(opts->opts)) stringbuffer_aprintf(sb, " srsDimension=\"%d\"", dimension);
183  stringbuffer_append(sb, ">");
184 
185  stringbuffer_aprintf(sb, "<%slowerCorner>", opts->prefix);
186  asgml3_ptarray(sb, pa, opts);
187  stringbuffer_aprintf(sb, "</%slowerCorner>", opts->prefix);
188 
189  pt.x = bbox->xmax; pt.y = bbox->ymax; pt.z =bbox->zmax;
190  ptarray_remove_point(pa, 0);
191  ptarray_append_point(pa, &pt, LW_TRUE);
192 
193  stringbuffer_aprintf(sb, "<%supperCorner>", opts->prefix);
194  asgml3_ptarray(sb, pa, opts);
195  stringbuffer_aprintf(sb, "</%supperCorner>", opts->prefix);
196 
197  stringbuffer_aprintf(sb, "</%sEnvelope>", opts->prefix);
198  ptarray_free(pa);
199  }
200 }
201 
202 static void
203 asgml2_point(stringbuffer_t* sb, const LWPOINT *point, const GML_Options* opts)
204 {
205 
206  stringbuffer_aprintf(sb, "<%sPoint", opts->prefix);
207  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
208  if (lwpoint_is_empty(point))
209  {
210  stringbuffer_append(sb, "/>");
211  return;
212  }
213  stringbuffer_append(sb, ">");
214  stringbuffer_aprintf(sb, "<%scoordinates>", opts->prefix);
215  asgml2_ptarray(sb, point->point, opts);
216  stringbuffer_aprintf(sb, "</%scoordinates>", opts->prefix);
217  stringbuffer_aprintf(sb, "</%sPoint>", opts->prefix);
218 }
219 
220 static void
221 asgml2_line(stringbuffer_t* sb, const LWLINE *line, const GML_Options* opts)
222 {
223  stringbuffer_aprintf(sb, "<%sLineString", opts->prefix);
224  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
225 
226  if (lwline_is_empty(line))
227  {
228  stringbuffer_append(sb, "/>");
229  return;
230  }
231  stringbuffer_append(sb, ">");
232 
233  stringbuffer_aprintf(sb, "<%scoordinates>", opts->prefix);
234  asgml2_ptarray(sb, line->points, opts);
235  stringbuffer_aprintf(sb, "</%scoordinates>", opts->prefix);
236  stringbuffer_aprintf(sb, "</%sLineString>", opts->prefix);
237 }
238 
239 static void
240 asgml2_poly(stringbuffer_t* sb, const LWPOLY *poly, const GML_Options* opts)
241 {
242  uint32_t i;
243 
244  stringbuffer_aprintf(sb, "<%sPolygon", opts->prefix);
245  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
246  if (lwpoly_is_empty(poly))
247  {
248  stringbuffer_append(sb, "/>");
249  return;
250  }
251  stringbuffer_append(sb, ">");
252  stringbuffer_aprintf(sb, "<%souterBoundaryIs>", opts->prefix);
253  stringbuffer_aprintf(sb, "<%sLinearRing>", opts->prefix);
254  stringbuffer_aprintf(sb, "<%scoordinates>", opts->prefix);
255  asgml2_ptarray(sb, poly->rings[0], opts);
256  stringbuffer_aprintf(sb, "</%scoordinates>", opts->prefix);
257  stringbuffer_aprintf(sb, "</%sLinearRing>", opts->prefix);
258  stringbuffer_aprintf(sb, "</%souterBoundaryIs>", opts->prefix);
259  for (i=1; i<poly->nrings; i++)
260  {
261  stringbuffer_aprintf(sb, "<%sinnerBoundaryIs>", opts->prefix);
262  stringbuffer_aprintf(sb, "<%sLinearRing>", opts->prefix);
263  stringbuffer_aprintf(sb, "<%scoordinates>", opts->prefix);
264  asgml2_ptarray(sb, poly->rings[i], opts);
265  stringbuffer_aprintf(sb, "</%scoordinates>", opts->prefix);
266  stringbuffer_aprintf(sb, "</%sLinearRing>", opts->prefix);
267  stringbuffer_aprintf(sb, "</%sinnerBoundaryIs>", opts->prefix);
268  }
269  stringbuffer_aprintf(sb, "</%sPolygon>", opts->prefix);
270 }
271 
272 static void
273 asgml2_multi(stringbuffer_t* sb, const LWCOLLECTION *col, const GML_Options* opts)
274 {
275  uint32_t i;
276  const char* gmltype = "";
277  int type = col->type;
278 
279  /* Subgeoms don't get an SRS */
280  GML_Options subopts = *opts;
281  subopts.srs = 0;
282 
283  if (type == MULTIPOINTTYPE) gmltype = "MultiPoint";
284  else if (type == MULTILINETYPE) gmltype = "MultiLineString";
285  else if (type == MULTIPOLYGONTYPE) gmltype = "MultiPolygon";
286 
287  /* Open outmost tag */
288  stringbuffer_aprintf(sb, "<%s%s", opts->prefix, gmltype);
289  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
290 
291  if (!col->ngeoms)
292  {
293  stringbuffer_append(sb, "/>");
294  return;
295  }
296  stringbuffer_append(sb, ">");
297 
298  for (i=0; i<col->ngeoms; i++)
299  {
300  LWGEOM* subgeom = col->geoms[i];
301  if (subgeom->type == POINTTYPE)
302  {
303  stringbuffer_aprintf(sb, "<%spointMember>", opts->prefix);
304  asgml2_point(sb, (LWPOINT*)subgeom, &subopts);
305  stringbuffer_aprintf(sb, "</%spointMember>", opts->prefix);
306  }
307  else if (subgeom->type == LINETYPE)
308  {
309  stringbuffer_aprintf(sb, "<%slineStringMember>", opts->prefix);
310  asgml2_line(sb, (LWLINE*)subgeom, &subopts);
311  stringbuffer_aprintf(sb, "</%slineStringMember>", opts->prefix);
312  }
313  else if (subgeom->type == POLYGONTYPE)
314  {
315  stringbuffer_aprintf(sb, "<%spolygonMember>", opts->prefix);
316  asgml2_poly(sb, (LWPOLY*)subgeom, &subopts);
317  stringbuffer_aprintf(sb, "</%spolygonMember>", opts->prefix);
318  }
319  }
320 
321  /* Close outmost tag */
322  stringbuffer_aprintf(sb, "</%s%s>", opts->prefix, gmltype);
323 }
324 
325 static void
326 asgml2_collection(stringbuffer_t* sb, const LWCOLLECTION *col, const GML_Options* opts)
327 {
328  uint32_t i;
329  LWGEOM *subgeom;
330 
331  /* Subgeoms don't get an SRS */
332  GML_Options subopts = *opts;
333  subopts.srs = 0;
334 
335  /* Open outmost tag */
336  stringbuffer_aprintf(sb, "<%sMultiGeometry", opts->prefix);
337  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
338 
339  if (!col->ngeoms)
340  {
341  stringbuffer_append(sb, "/>");
342  return;
343  }
344  stringbuffer_append(sb, ">");
345 
346  for (i=0; i<col->ngeoms; i++)
347  {
348  subgeom = col->geoms[i];
349  stringbuffer_aprintf(sb, "<%sgeometryMember>", opts->prefix);
350  switch (subgeom->type)
351  {
352  case POINTTYPE:
353  asgml2_point(sb, (LWPOINT*)subgeom, &subopts);
354  break;
355  case LINETYPE:
356  asgml2_line(sb, (LWLINE*)subgeom, &subopts);;
357  break;
358  case POLYGONTYPE:
359  asgml2_poly(sb, (LWPOLY*)subgeom, &subopts);
360  break;
361  case MULTIPOINTTYPE:
362  case MULTILINETYPE:
363  case MULTIPOLYGONTYPE:
364  asgml2_multi(sb, (LWCOLLECTION*)subgeom, &subopts);
365  break;
366  case COLLECTIONTYPE:
367  asgml2_collection(sb, (LWCOLLECTION*)subgeom, &subopts);
368  break;
369  }
370  stringbuffer_aprintf(sb, "</%sgeometryMember>", opts->prefix);
371  }
372  stringbuffer_aprintf(sb, "</%sMultiGeometry>", opts->prefix);
373 }
374 
375 
376 
377 static void
378 asgml3_point(stringbuffer_t* sb, const LWPOINT *point, const GML_Options* opts)
379 {
380  int dimension = FLAGS_GET_Z(point->flags) ? 3 : 2;
381 
382  stringbuffer_aprintf(sb, "<%sPoint", opts->prefix);
383  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
384  if (opts->id) stringbuffer_aprintf(sb, " %sid=\"%s\"", opts->prefix, opts->id);
385  if (lwpoint_is_empty(point))
386  {
387  stringbuffer_append(sb, "/>");
388  return;
389  }
390 
391  stringbuffer_append(sb, ">");
392  if (IS_DIMS(opts->opts))
393  stringbuffer_aprintf(sb, "<%spos srsDimension=\"%d\">", opts->prefix, dimension);
394  else
395  stringbuffer_aprintf(sb, "<%spos>", opts->prefix);
396  asgml3_ptarray(sb, point->point, opts);
397  stringbuffer_aprintf(sb, "</%spos></%sPoint>", opts->prefix, opts->prefix);
398 }
399 
400 static void
401 asgml3_line(stringbuffer_t* sb, const LWLINE *line, const GML_Options* opts)
402 {
403  int dimension = FLAGS_GET_Z(line->flags) ? 3 : 2;
404  int shortline = (opts->opts & LW_GML_SHORTLINE);
405 
406  if (shortline)
407  {
408  stringbuffer_aprintf(sb, "<%sLineString", opts->prefix);
409  }
410  else
411  {
412  stringbuffer_aprintf(sb, "<%sCurve", opts->prefix);
413  }
414 
415  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
416  if (opts->id) stringbuffer_aprintf(sb, " %sid=\"%s\"", opts->prefix, opts->id);
417 
418  if (lwline_is_empty(line))
419  {
420  stringbuffer_append(sb, "/>");
421  return;
422  }
423  stringbuffer_append(sb, ">");
424 
425  if (!shortline)
426  {
427  stringbuffer_aprintf(sb, "<%ssegments>", opts->prefix);
428  stringbuffer_aprintf(sb, "<%sLineStringSegment>", opts->prefix);
429  }
430 
431  if (IS_DIMS(opts->opts))
432  {
433  stringbuffer_aprintf(sb, "<%sposList srsDimension=\"%d\">", opts->prefix, dimension);
434  }
435  else
436  {
437  stringbuffer_aprintf(sb, "<%sposList>", opts->prefix);
438  }
439 
440  asgml3_ptarray(sb, line->points, opts);
441  stringbuffer_aprintf(sb, "</%sposList>", opts->prefix);
442 
443  if (shortline)
444  {
445  stringbuffer_aprintf(sb, "</%sLineString>", opts->prefix);
446  }
447  else
448  {
449  stringbuffer_aprintf(sb, "</%sLineStringSegment>", opts->prefix);
450  stringbuffer_aprintf(sb, "</%ssegments>", opts->prefix);
451  stringbuffer_aprintf(sb, "</%sCurve>", opts->prefix);
452  }
453 }
454 
455 static void
456 asgml3_poly(stringbuffer_t* sb, const LWPOLY *poly, const GML_Options* opts)
457 {
458  uint32_t i;
459  int dimension = FLAGS_GET_Z(poly->flags) ? 3 : 2;
460 
461  stringbuffer_aprintf(sb,
462  opts->is_patch ? "<%sPolygonPatch" : "<%sPolygon",
463  opts->prefix);
464 
465  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
466  if (opts->id) stringbuffer_aprintf(sb, " %sid=\"%s\"", opts->prefix, opts->id);
467 
468  if (lwpoly_is_empty(poly))
469  {
470  stringbuffer_append(sb, "/>");
471  return;
472  }
473  stringbuffer_append(sb, ">");
474 
475  stringbuffer_aprintf(sb, "<%sexterior>", opts->prefix);
476  stringbuffer_aprintf(sb, "<%sLinearRing>", opts->prefix);
477  if (IS_DIMS(opts->opts))
478  stringbuffer_aprintf(sb, "<%sposList srsDimension=\"%d\">", opts->prefix, dimension);
479  else
480  stringbuffer_aprintf(sb, "<%sposList>", opts->prefix);
481 
482  asgml3_ptarray(sb, poly->rings[0], opts);
483  stringbuffer_aprintf(sb, "</%sposList>", opts->prefix);
484  stringbuffer_aprintf(sb, "</%sLinearRing>", opts->prefix);
485  stringbuffer_aprintf(sb, "</%sexterior>", opts->prefix);
486  for (i=1; i<poly->nrings; i++)
487  {
488  stringbuffer_aprintf(sb, "<%sinterior>", opts->prefix);
489  stringbuffer_aprintf(sb, "<%sLinearRing>", opts->prefix);
490  if (IS_DIMS(opts->opts))
491  stringbuffer_aprintf(sb, "<%sposList srsDimension=\"%d\">", opts->prefix, dimension);
492  else
493  stringbuffer_aprintf(sb, "<%sposList>", opts->prefix);
494  asgml3_ptarray(sb, poly->rings[i], opts);
495  stringbuffer_aprintf(sb, "</%sposList>", opts->prefix);
496  stringbuffer_aprintf(sb, "</%sLinearRing>", opts->prefix);
497  stringbuffer_aprintf(sb, "</%sinterior>", opts->prefix);
498  }
499 
500  stringbuffer_aprintf(sb,
501  opts->is_patch ? "</%sPolygonPatch>" : "</%sPolygon>",
502  opts->prefix);
503 }
504 
505 
506 static void
507 asgml3_circstring(stringbuffer_t* sb, const LWCIRCSTRING *circ, const GML_Options* opts)
508 {
509  int dimension = FLAGS_GET_Z(circ->flags) ? 3 : 2;
510 
511  stringbuffer_aprintf(sb, "<%sCurve", opts->prefix);
512  if (opts->srs)
513  {
514  stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
515  }
516  if (opts->id)
517  {
518  stringbuffer_aprintf(sb, " %sid=\"%s\"", opts->prefix, opts->id);
519  }
520  stringbuffer_append(sb, ">");
521  stringbuffer_aprintf(sb, "<%ssegments>", opts->prefix);
522  stringbuffer_aprintf(sb, "<%sArcString>", opts->prefix);
523  stringbuffer_aprintf(sb, "<%sposList", opts->prefix);
524 
525  if (IS_DIMS(opts->opts))
526  {
527  stringbuffer_aprintf(sb, " srsDimension=\"%d\"", dimension);
528  }
529  stringbuffer_append(sb, ">");
530 
531  asgml3_ptarray(sb, circ->points, opts);
532 
533  stringbuffer_aprintf(sb, "</%sposList>", opts->prefix);
534  stringbuffer_aprintf(sb, "</%sArcString>", opts->prefix);
535  stringbuffer_aprintf(sb, "</%ssegments>", opts->prefix);
536  stringbuffer_aprintf(sb, "</%sCurve>", opts->prefix);
537 }
538 
539 static void
540 asgml3_compound(stringbuffer_t* sb, const LWCOMPOUND *col, const GML_Options* opts)
541 {
542  LWGEOM *subgeom;
543  uint32_t i;
544  int dimension = FLAGS_GET_Z(col->flags) ? 3 : 2;
545 
546  stringbuffer_aprintf(sb, "<%sCurve", opts->prefix);
547  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
548  if (opts->id) stringbuffer_aprintf(sb, " %sid=\"%s\"", opts->prefix, opts->id);
549  stringbuffer_append(sb, ">");
550  stringbuffer_aprintf(sb, "<%ssegments>", opts->prefix);
551 
552  for (i = 0; i < col->ngeoms; ++i)
553  {
554  subgeom = col->geoms[i];
555 
556  if (subgeom->type != LINETYPE && subgeom->type != CIRCSTRINGTYPE)
557  continue;
558 
559  if (subgeom->type == LINETYPE)
560  {
561  stringbuffer_aprintf(sb, "<%sLineStringSegment>", opts->prefix);
562  stringbuffer_aprintf(sb, "<%sposList", opts->prefix);
563  if (IS_DIMS(opts->opts))
564  stringbuffer_aprintf(sb, " srsDimension=\"%d\"", dimension);
565 
566  stringbuffer_append(sb, ">");
567  asgml3_ptarray(sb, ((LWCIRCSTRING*)subgeom)->points, opts);
568  stringbuffer_aprintf(sb, "</%sposList>", opts->prefix);
569  stringbuffer_aprintf(sb, "</%sLineStringSegment>", opts->prefix);
570  }
571  else if( subgeom->type == CIRCSTRINGTYPE )
572  {
573  stringbuffer_aprintf(sb, "<%sArcString>", opts->prefix);
574  stringbuffer_aprintf(sb, "<%sposList", opts->prefix);
575  if (IS_DIMS(opts->opts))
576  {
577  stringbuffer_aprintf(sb, " srsDimension=\"%d\"", dimension);
578  }
579  stringbuffer_append(sb, ">");
580  asgml3_ptarray(sb, ((LWLINE*)subgeom)->points, opts);
581  stringbuffer_aprintf(sb, "</%sposList>", opts->prefix);
582  stringbuffer_aprintf(sb, "</%sArcString>", opts->prefix);
583  }
584  }
585  stringbuffer_aprintf(sb, "</%ssegments>", opts->prefix);
586  stringbuffer_aprintf(sb, "</%sCurve>", opts->prefix);
587 }
588 
589 static void
590 asgml3_curvepoly(stringbuffer_t* sb, const LWCURVEPOLY* poly, const GML_Options* opts)
591 {
592  uint32_t i;
593  LWGEOM* subgeom;
594  int dimension = FLAGS_GET_Z(poly->flags) ? 3 : 2;
595 
596  /* Subgeoms don't get an SRS */
597  GML_Options subopts = *opts;
598  subopts.srs = 0;
599 
600  stringbuffer_aprintf(sb, "<%sPolygon", opts->prefix);
601  if (opts->srs)
602  {
603  stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
604  }
605  if (opts->id)
606  {
607  stringbuffer_aprintf(sb, " %sid=\"%s\"", opts->prefix, opts->id);
608  }
609  stringbuffer_append(sb, ">");
610 
611  for (i = 0; i < poly->nrings; ++i)
612  {
613  stringbuffer_aprintf(sb,
614  i ? "<%sinterior>" : "<%sexterior>",
615  opts->prefix);
616 
617  subgeom = poly->rings[i];
618  if (subgeom->type == LINETYPE)
619  {
620  stringbuffer_aprintf(sb, "<%sLinearRing>", opts->prefix);
621  stringbuffer_aprintf(sb, "<%sposList", opts->prefix);
622  if (IS_DIMS(opts->opts))
623  {
624  stringbuffer_aprintf(sb, " srsDimension=\"%d\"", dimension);
625  }
626  stringbuffer_append(sb, ">");
627  asgml3_ptarray(sb, ((LWLINE*)subgeom)->points, opts);
628  stringbuffer_aprintf(sb, "</%sposList>", opts->prefix);
629  stringbuffer_aprintf(sb, "</%sLinearRing>", opts->prefix);
630  }
631  else if (subgeom->type == CIRCSTRINGTYPE)
632  {
633  stringbuffer_aprintf(sb, "<%sRing>", opts->prefix);
634  stringbuffer_aprintf(sb, "<%scurveMember>", opts->prefix);
635  asgml3_circstring(sb, (LWCIRCSTRING*)subgeom, &subopts);
636  stringbuffer_aprintf(sb, "</%scurveMember>", opts->prefix);
637  stringbuffer_aprintf(sb, "</%sRing>", opts->prefix);
638  }
639  else if (subgeom->type == COMPOUNDTYPE)
640  {
641  stringbuffer_aprintf(sb, "<%sRing>", opts->prefix);
642  stringbuffer_aprintf(sb, "<%scurveMember>", opts->prefix);
643  asgml3_compound(sb, (LWCOMPOUND*)subgeom, &subopts);
644  stringbuffer_aprintf(sb, "</%scurveMember>", opts->prefix);
645  stringbuffer_aprintf(sb, "</%sRing>", opts->prefix);
646  }
647 
648  stringbuffer_aprintf(sb,
649  i ? "</%sinterior>" : "</%sexterior>",
650  opts->prefix);
651  }
652  stringbuffer_aprintf(sb, "</%sPolygon>", opts->prefix);
653 }
654 
655 static void
656 asgml3_triangle(stringbuffer_t* sb, const LWTRIANGLE *triangle, const GML_Options* opts)
657 {
658  int dimension = FLAGS_GET_Z(triangle->flags) ? 3 : 2;
659 
660  stringbuffer_aprintf(sb, "<%sTriangle", opts->prefix);
661  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
662  if (opts->id) stringbuffer_aprintf(sb, " %sid=\"%s\"", opts->prefix, opts->id);
663  stringbuffer_append(sb, ">");
664 
665  stringbuffer_aprintf(sb, "<%sexterior>", opts->prefix);
666  stringbuffer_aprintf(sb, "<%sLinearRing>", opts->prefix);
667  if (IS_DIMS(opts->opts))
668  stringbuffer_aprintf(sb, "<%sposList srsDimension=\"%d\">", opts->prefix, dimension);
669  else
670  stringbuffer_aprintf(sb, "<%sposList>", opts->prefix);
671 
672  asgml3_ptarray(sb, triangle->points, opts);
673  stringbuffer_aprintf(sb, "</%sposList>", opts->prefix);
674  stringbuffer_aprintf(sb, "</%sLinearRing>", opts->prefix);
675  stringbuffer_aprintf(sb, "</%sexterior>", opts->prefix);
676 
677  stringbuffer_aprintf(sb, "</%sTriangle>", opts->prefix);
678 }
679 
680 
681 static void
682 asgml3_multi(stringbuffer_t* sb, const LWCOLLECTION *col, const GML_Options* opts)
683 {
684  int type = col->type;
685  uint32_t i;
686  LWGEOM *subgeom;
687  /* Subgeoms don't get an SRS */
688  GML_Options subopts = *opts;
689  subopts.srs = 0;
690 
691  const char* gmltype = "";
692 
693  if (type == MULTIPOINTTYPE) gmltype = "MultiPoint";
694  else if (type == MULTILINETYPE) gmltype = "MultiCurve";
695  else if (type == MULTIPOLYGONTYPE) gmltype = "MultiSurface";
696 
697  /* Open outmost tag */
698  stringbuffer_aprintf(sb, "<%s%s", opts->prefix, gmltype);
699  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
700  if (opts->id) stringbuffer_aprintf(sb, " %sid=\"%s\"", opts->prefix, opts->id);
701 
702  if (!col->ngeoms)
703  {
704  stringbuffer_append(sb, "/>");
705  return;
706  }
707  stringbuffer_append(sb, ">");
708 
709  for (i=0; i<col->ngeoms; i++)
710  {
711  subgeom = col->geoms[i];
712  if (subgeom->type == POINTTYPE)
713  {
714  stringbuffer_aprintf(sb, "<%spointMember>", opts->prefix);
715  asgml3_point(sb, (LWPOINT*)subgeom, &subopts);
716  stringbuffer_aprintf(sb, "</%spointMember>", opts->prefix);
717  }
718  else if (subgeom->type == LINETYPE)
719  {
720  stringbuffer_aprintf(sb, "<%scurveMember>", opts->prefix);
721  asgml3_line(sb, (LWLINE*)subgeom, &subopts);
722  stringbuffer_aprintf(sb, "</%scurveMember>", opts->prefix);
723  }
724  else if (subgeom->type == POLYGONTYPE)
725  {
726  stringbuffer_aprintf(sb, "<%ssurfaceMember>", opts->prefix);
727  asgml3_poly(sb, (LWPOLY*)subgeom, &subopts);
728  stringbuffer_aprintf(sb, "</%ssurfaceMember>", opts->prefix);
729  }
730  }
731 
732  /* Close outmost tag */
733  stringbuffer_aprintf(sb, "</%s%s>", opts->prefix, gmltype);
734 }
735 
736 /*
737  * Don't call this with single-geoms inspected!
738  */
739 static void
740 asgml3_tin(stringbuffer_t* sb, const LWTIN *tin, const GML_Options* opts)
741 {
742  uint32_t i;
743 
744  /* Subgeoms don't get an SRS */
745  GML_Options subopts = *opts;
746  subopts.srs = 0;
747 
748  /* Open outmost tag */
749  stringbuffer_aprintf(sb, "<%sTin", opts->prefix);
750  if (opts->srs)
751  stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
752  if (opts->id)
753  stringbuffer_aprintf(sb, " %sid=\"%s\"", opts->prefix, opts->id);
754  stringbuffer_append(sb, ">");
755 
756  stringbuffer_aprintf(sb, "<%strianglePatches>", opts->prefix);
757  for (i=0; i<tin->ngeoms; i++)
758  {
759  asgml3_triangle(sb, tin->geoms[i], &subopts);
760  }
761 
762  /* Close outmost tag */
763  stringbuffer_aprintf(sb, "</%strianglePatches>", opts->prefix);
764  stringbuffer_aprintf(sb, "</%sTin>", opts->prefix);
765 }
766 
767 static void
768 asgml3_psurface(stringbuffer_t* sb, const LWPSURFACE *psur, const GML_Options* opts)
769 {
770  uint32_t i;
771 
772  /* Subgeoms don't get an SRS */
773  GML_Options subopts = *opts;
774  subopts.srs = 0;
775  subopts.is_patch = 1;
776 
777  /* Open outmost tag */
778  stringbuffer_aprintf(sb, "<%sPolyhedralSurface", opts->prefix);
779  if (opts->srs)
780  stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
781  if (opts->id)
782  stringbuffer_aprintf(sb, " %sid=\"%s\"", opts->prefix, opts->id);
783  stringbuffer_append(sb, ">");
784  stringbuffer_aprintf(sb, "<%spolygonPatches>", opts->prefix);
785 
786  for (i=0; i<psur->ngeoms; i++)
787  {
788  asgml3_poly(sb, psur->geoms[i], &subopts);
789  }
790 
791  /* Close outmost tag */
792  stringbuffer_aprintf(sb, "</%spolygonPatches>", opts->prefix);
793  stringbuffer_aprintf(sb, "</%sPolyhedralSurface>", opts->prefix);
794 }
795 
796 
797 static void
798 asgml3_collection(stringbuffer_t* sb, const LWCOLLECTION *col, const GML_Options* opts)
799 {
800  uint32_t i;
801  LWGEOM *subgeom;
802 
803  /* Subgeoms don't get an SRS */
804  GML_Options subopts = *opts;
805  subopts.srs = 0;
806 
807  /* Open outmost tag */
808  stringbuffer_aprintf(sb, "<%sMultiGeometry", opts->prefix);
809  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
810  if (opts->id) stringbuffer_aprintf(sb, " %sid=\"%s\"", opts->prefix, opts->id);
811 
812  if (!col->ngeoms)
813  {
814  stringbuffer_append(sb, "/>");
815  return;
816  }
817  stringbuffer_append(sb, ">");
818 
819  for (i=0; i<col->ngeoms; i++)
820  {
821  subgeom = col->geoms[i];
822  stringbuffer_aprintf(sb, "<%sgeometryMember>", opts->prefix);
823 
824  switch (subgeom->type)
825  {
826  case POINTTYPE:
827  asgml3_point(sb, (LWPOINT*)subgeom, &subopts);
828  break;
829  case LINETYPE:
830  asgml3_line(sb, (LWLINE*)subgeom, &subopts);
831  break;
832  case POLYGONTYPE:
833  asgml3_poly(sb, (LWPOLY*)subgeom, &subopts);
834  break;
835  case MULTIPOINTTYPE:
836  case MULTILINETYPE:
837  case MULTIPOLYGONTYPE:
838  asgml3_multi(sb, (LWCOLLECTION*)subgeom, &subopts);
839  break;
840  case COLLECTIONTYPE:
841  asgml3_collection(sb, (LWCOLLECTION*)subgeom, &subopts);
842  break;
843  default:
844  lwerror("asgml3_collection: unknown geometry type");
845  }
846  stringbuffer_aprintf(sb, "</%sgeometryMember>", opts->prefix);
847  }
848 
849  /* Close outmost tag */
850  stringbuffer_aprintf(sb, "</%sMultiGeometry>", opts->prefix);
851 }
852 
853 static void
854 asgml3_multicurve(stringbuffer_t*sb, const LWMCURVE* cur, const GML_Options* opts)
855 {
856  LWGEOM* subgeom;
857  uint32_t i;
858 
859  stringbuffer_aprintf(sb, "<%sMultiCurve", opts->prefix);
860  if (opts->srs)
861  {
862  stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
863  }
864  if (opts->id)
865  {
866  stringbuffer_aprintf(sb, " %sid=\"%s\"", opts->prefix, opts->id);
867  }
868  stringbuffer_append(sb, ">");
869 
870  for (i = 0; i < cur->ngeoms; ++i)
871  {
872  stringbuffer_aprintf(sb, "<%scurveMember>", opts->prefix);
873  subgeom = cur->geoms[i];
874  if (subgeom->type == LINETYPE)
875  {
876  asgml3_line(sb, (LWLINE*)subgeom, opts);
877  }
878  else if (subgeom->type == CIRCSTRINGTYPE)
879  {
880  asgml3_circstring(sb, (LWCIRCSTRING*)subgeom, opts);
881  }
882  else if (subgeom->type == COMPOUNDTYPE)
883  {
884  asgml3_compound(sb, (LWCOMPOUND*)subgeom, opts);
885  }
886  stringbuffer_aprintf(sb, "</%scurveMember>", opts->prefix);
887  }
888  stringbuffer_aprintf(sb, "</%sMultiCurve>", opts->prefix);
889 }
890 
891 
892 static void
893 asgml3_multisurface(stringbuffer_t* sb, const LWMSURFACE *sur, const GML_Options* opts)
894 {
895  uint32_t i;
896  LWGEOM* subgeom;
897 
898  stringbuffer_aprintf(sb, "<%sMultiSurface", opts->prefix);
899  if (opts->srs) stringbuffer_aprintf(sb, " srsName=\"%s\"", opts->srs);
900  if (opts->id) stringbuffer_aprintf(sb, " %sid=\"%s\"", opts->prefix, opts->id);
901 
902  stringbuffer_append(sb, ">");
903 
904  for (i = 0; i < sur->ngeoms; ++i)
905  {
906  subgeom = sur->geoms[i];
907  if (subgeom->type == POLYGONTYPE)
908  {
909  asgml3_poly(sb, (LWPOLY*)sur->geoms[i], opts);
910  }
911  else if (subgeom->type == CURVEPOLYTYPE)
912  {
913  asgml3_curvepoly(sb, (LWCURVEPOLY*)sur->geoms[i], opts);
914  }
915  }
916  stringbuffer_aprintf(sb, "</%sMultiSurface>", opts->prefix);
917 }
918 
919 extern lwvarlena_t *
920 lwgeom_to_gml2(const LWGEOM *geom, const char *srs, int precision, const char *prefix)
921 {
922  stringbuffer_t sb;
923 
924  /* Initialize options */
925  GML_Options gmlopts;
926  memset(&gmlopts, 0, sizeof(gmlopts));
927  gmlopts.srs = srs;
928  gmlopts.precision = precision;
929  gmlopts.prefix = prefix;
930 
931  /* Return null for empty (#1377) */
932  if (lwgeom_is_empty(geom))
933  return NULL;
934 
935  stringbuffer_init_varlena(&sb);
936 
937  switch (geom->type)
938  {
939  case POINTTYPE:
940  asgml2_point(&sb, (LWPOINT*)geom, &gmlopts);
941  break;
942 
943  case LINETYPE:
944  asgml2_line(&sb, (LWLINE*)geom, &gmlopts);
945  break;
946 
947  case POLYGONTYPE:
948  asgml2_poly(&sb, (LWPOLY*)geom, &gmlopts);
949  break;
950 
951  case MULTIPOINTTYPE:
952  case MULTILINETYPE:
953  case MULTIPOLYGONTYPE:
954  asgml2_multi(&sb, (LWCOLLECTION*)geom, &gmlopts);
955  break;
956 
957  case COLLECTIONTYPE:
958  asgml2_collection(&sb, (LWCOLLECTION*)geom, &gmlopts);
959  break;
960 
961  case TRIANGLETYPE:
962  case POLYHEDRALSURFACETYPE:
963  case TINTYPE:
964  lwerror("Cannot convert %s to GML2. Try ST_AsGML(3, <geometry>) to generate GML3.", lwtype_name(geom->type));
965  stringbuffer_release(&sb);
966  return NULL;
967 
968  default:
969  lwerror("lwgeom_to_gml2: '%s' geometry type not supported", lwtype_name(geom->type));
970  stringbuffer_release(&sb);
971  return NULL;
972  }
973 
974  return stringbuffer_getvarlena(&sb);
975 }
976 
977 extern lwvarlena_t *
978 lwgeom_to_gml3(const LWGEOM *geom, const char *srs, int precision, int opts, const char *prefix, const char *id)
979 {
980  stringbuffer_t sb;
981 
982  /* Initialize options */
983  GML_Options gmlopts;
984  memset(&gmlopts, 0, sizeof(gmlopts));
985  gmlopts.srs = srs;
986  gmlopts.precision = precision;
987  gmlopts.opts = opts;
988  gmlopts.prefix = prefix;
989  gmlopts.id = id;
990 
991  /* Return null for empty (#1377) */
992  if (lwgeom_is_empty(geom))
993  return NULL;
994 
995  stringbuffer_init_varlena(&sb);
996 
997  switch (geom->type)
998  {
999  case POINTTYPE:
1000  asgml3_point(&sb, (LWPOINT*)geom, &gmlopts);
1001  break;
1002 
1003  case LINETYPE:
1004  asgml3_line(&sb, (LWLINE*)geom, &gmlopts);
1005  break;
1006 
1007  case CIRCSTRINGTYPE:
1008  asgml3_circstring(&sb, (LWCIRCSTRING*)geom, &gmlopts );
1009  break;
1010 
1011  case POLYGONTYPE:
1012  asgml3_poly(&sb, (LWPOLY*)geom, &gmlopts);
1013  break;
1014 
1015  case CURVEPOLYTYPE:
1016  asgml3_curvepoly(&sb, (LWCURVEPOLY*)geom, &gmlopts);
1017  break;
1018 
1019  case TRIANGLETYPE:
1020  asgml3_triangle(&sb, (LWTRIANGLE*)geom, &gmlopts);
1021  break;
1022 
1023  case MULTIPOINTTYPE:
1024  case MULTILINETYPE:
1025  case MULTIPOLYGONTYPE:
1026  asgml3_multi(&sb, (LWCOLLECTION*)geom, &gmlopts);
1027  break;
1028 
1029  case POLYHEDRALSURFACETYPE:
1030  asgml3_psurface(&sb, (LWPSURFACE*)geom, &gmlopts);
1031  break;
1032 
1033  case TINTYPE:
1034  asgml3_tin(&sb, (LWTIN*)geom, &gmlopts);
1035  break;
1036 
1037  case COLLECTIONTYPE:
1038  asgml3_collection(&sb, (LWCOLLECTION*)geom, &gmlopts);
1039  break;
1040 
1041  case COMPOUNDTYPE:
1042  asgml3_compound(&sb, (LWCOMPOUND*)geom, &gmlopts );
1043  break;
1044 
1045  case MULTICURVETYPE:
1046  asgml3_multicurve(&sb, (LWMCURVE*)geom, &gmlopts );
1047  break;
1048 
1049  case MULTISURFACETYPE:
1050  asgml3_multisurface(&sb, (LWMSURFACE*)geom, &gmlopts );
1051  break;
1052 
1053  default:
1054  lwerror("lwgeom_to_gml3: '%s' geometry type not supported", lwtype_name(geom->type));
1055  stringbuffer_release(&sb);
1056  return NULL;
1057  }
1058 
1059  return stringbuffer_getvarlena(&sb);
1060 }
1061 
1062 extern lwvarlena_t *
1063 lwgeom_extent_to_gml2(const LWGEOM *geom, const char *srs, int precision, const char *prefix)
1064 {
1065  const GBOX* bbox = lwgeom_get_bbox(geom);
1066  stringbuffer_t sb;
1067 
1068  /* Initialize options */
1069  GML_Options gmlopts;
1070  memset(&gmlopts, 0, sizeof(gmlopts));
1071  gmlopts.srs = srs;
1072  gmlopts.precision = precision;
1073  gmlopts.prefix = prefix;
1074 
1075  stringbuffer_init_varlena(&sb);
1076  asgml2_gbox(&sb, bbox, &gmlopts);
1077  return stringbuffer_getvarlena(&sb);
1078 }
1079 
1080 extern lwvarlena_t *
1081 lwgeom_extent_to_gml3(const LWGEOM *geom, const char *srs, int precision, int opts, const char *prefix)
1082 {
1083  const GBOX* bbox = lwgeom_get_bbox(geom);
1084  stringbuffer_t sb;
1085 
1086  /* Initialize options */
1087  GML_Options gmlopts;
1088  memset(&gmlopts, 0, sizeof(gmlopts));
1089  gmlopts.srs = srs;
1090  gmlopts.precision = precision;
1091  gmlopts.opts = opts;
1092  gmlopts.prefix = prefix;
1093 
1094  stringbuffer_init_varlena(&sb);
1095  asgml3_gbox(&sb, bbox, &gmlopts);
1096  return stringbuffer_getvarlena(&sb);
1097 }
precision
static uint8_t precision
Definition: cu_in_twkb.c:25
ptarray_remove_point
int ptarray_remove_point(POINTARRAY *pa, uint32_t where)
Remove a point from an existing POINTARRAY.
Definition: ptarray.c:251
COLLECTIONTYPE
#define COLLECTIONTYPE
Definition: liblwgeom.h:108
COMPOUNDTYPE
#define COMPOUNDTYPE
Definition: liblwgeom.h:110
IS_DIMS
#define IS_DIMS(x)
Definition: liblwgeom.h:1691
CURVEPOLYTYPE
#define CURVEPOLYTYPE
Definition: liblwgeom.h:111
MULTILINETYPE
#define MULTILINETYPE
Definition: liblwgeom.h:106
MULTISURFACETYPE
#define MULTISURFACETYPE
Definition: liblwgeom.h:113
LINETYPE
#define LINETYPE
Definition: liblwgeom.h:103
LW_GML_SHORTLINE
#define LW_GML_SHORTLINE
For GML3, use <LineString> rather than <Curve> for lines.
Definition: liblwgeom.h:1686
MULTIPOINTTYPE
#define MULTIPOINTTYPE
Definition: liblwgeom.h:105
POINTTYPE
#define POINTTYPE
LWTYPE numbers, used internally by PostGIS.
Definition: liblwgeom.h:102
FLAGS_GET_Z
#define FLAGS_GET_Z(flags)
Definition: liblwgeom.h:165
TINTYPE
#define TINTYPE
Definition: liblwgeom.h:116
MULTIPOLYGONTYPE
#define MULTIPOLYGONTYPE
Definition: liblwgeom.h:107
POLYGONTYPE
#define POLYGONTYPE
Definition: liblwgeom.h:104
POLYHEDRALSURFACETYPE
#define POLYHEDRALSURFACETYPE
Definition: liblwgeom.h:114
CIRCSTRINGTYPE
#define CIRCSTRINGTYPE
Definition: liblwgeom.h:109
ptarray_construct_empty
POINTARRAY * ptarray_construct_empty(char hasz, char hasm, uint32_t maxpoints)
Create a new POINTARRAY with no points.
Definition: ptarray.c:59
lwtype_name
const char * lwtype_name(uint8_t type)
Return the type name string associated with a type number (e.g.
Definition: lwutil.c:216
ptarray_free
void ptarray_free(POINTARRAY *pa)
Definition: ptarray.c:319
IS_DEGREE
#define IS_DEGREE(x)
Definition: liblwgeom.h:1692
lwgeom_get_bbox
const GBOX * lwgeom_get_bbox(const LWGEOM *lwgeom)
Get a non-empty geometry bounding box, computing and caching it if not already there.
Definition: lwgeom.c:743
ptarray_append_point
int ptarray_append_point(POINTARRAY *pa, const POINT4D *pt, int allow_duplicates)
Append a point to the end of an existing POINTARRAY If allow_duplicate is LW_FALSE,...
Definition: ptarray.c:147
MULTICURVETYPE
#define MULTICURVETYPE
Definition: liblwgeom.h:112
TRIANGLETYPE
#define TRIANGLETYPE
Definition: liblwgeom.h:115
LW_TRUE
#define LW_TRUE
Return types for functions with status returns.
Definition: liblwgeom.h:93
liblwgeom.h
This library is the generic geometry handling section of PostGIS.
lwline_is_empty
int lwline_is_empty(const LWLINE *line)
lwpoint_is_empty
int lwpoint_is_empty(const LWPOINT *point)
lwpoly_is_empty
int lwpoly_is_empty(const LWPOLY *poly)
liblwgeom_internal.h
lwerror
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:190
getPoint2d_cp
static const POINT2D * getPoint2d_cp(const POINTARRAY *pa, uint32_t n)
Returns a POINT2D pointer into the POINTARRAY serialized_ptlist, suitable for reading from.
Definition: lwinline.h:101
getPoint3d_cp
static const POINT3D * getPoint3d_cp(const POINTARRAY *pa, uint32_t n)
Returns a POINT3D pointer into the POINTARRAY serialized_ptlist, suitable for reading from.
Definition: lwinline.h:113
lwgeom_is_empty
static int lwgeom_is_empty(const LWGEOM *geom)
Return true or false depending on whether a geometry is an "empty" geometry (no vertices members)
Definition: lwinline.h:203
asgml3_compound
static void asgml3_compound(stringbuffer_t *sb, const LWCOMPOUND *col, const GML_Options *opts)
Definition: lwout_gml.c:540
asgml3_curvepoly
static void asgml3_curvepoly(stringbuffer_t *sb, const LWCURVEPOLY *poly, const GML_Options *opts)
Definition: lwout_gml.c:590
asgml2_ptarray
static void asgml2_ptarray(stringbuffer_t *sb, const POINTARRAY *pa, const GML_Options *opts)
Definition: lwout_gml.c:51
asgml3_multi
static void asgml3_multi(stringbuffer_t *sb, const LWCOLLECTION *col, const GML_Options *opts)
Definition: lwout_gml.c:682
asgml3_gbox
static void asgml3_gbox(stringbuffer_t *sb, const GBOX *bbox, const GML_Options *opts)
Definition: lwout_gml.c:163
lwgeom_to_gml2
lwvarlena_t * lwgeom_to_gml2(const LWGEOM *geom, const char *srs, int precision, const char *prefix)
Definition: lwout_gml.c:920
asgml2_point
static void asgml2_point(stringbuffer_t *sb, const LWPOINT *point, const GML_Options *opts)
Definition: lwout_gml.c:203
lwgeom_extent_to_gml3
lwvarlena_t * lwgeom_extent_to_gml3(const LWGEOM *geom, const char *srs, int precision, int opts, const char *prefix)
Definition: lwout_gml.c:1081
lwgeom_extent_to_gml2
lwvarlena_t * lwgeom_extent_to_gml2(const LWGEOM *geom, const char *srs, int precision, const char *prefix)
Definition: lwout_gml.c:1063
asgml2_poly
static void asgml2_poly(stringbuffer_t *sb, const LWPOLY *poly, const GML_Options *opts)
Definition: lwout_gml.c:240
asgml2_gbox
static void asgml2_gbox(stringbuffer_t *sb, const GBOX *bbox, const GML_Options *opts)
Definition: lwout_gml.c:82
asgml3_poly
static void asgml3_poly(stringbuffer_t *sb, const LWPOLY *poly, const GML_Options *opts)
Definition: lwout_gml.c:456
asgml3_collection
static void asgml3_collection(stringbuffer_t *sb, const LWCOLLECTION *col, const GML_Options *opts)
Definition: lwout_gml.c:798
asgml3_circstring
static void asgml3_circstring(stringbuffer_t *sb, const LWCIRCSTRING *circ, const GML_Options *opts)
Definition: lwout_gml.c:507
asgml2_collection
static void asgml2_collection(stringbuffer_t *sb, const LWCOLLECTION *col, const GML_Options *opts)
Definition: lwout_gml.c:326
asgml3_multisurface
static void asgml3_multisurface(stringbuffer_t *sb, const LWMSURFACE *sur, const GML_Options *opts)
Definition: lwout_gml.c:893
asgml3_psurface
static void asgml3_psurface(stringbuffer_t *sb, const LWPSURFACE *psur, const GML_Options *opts)
Definition: lwout_gml.c:768
asgml3_multicurve
static void asgml3_multicurve(stringbuffer_t *sb, const LWMCURVE *cur, const GML_Options *opts)
Definition: lwout_gml.c:854
asgml3_triangle
static void asgml3_triangle(stringbuffer_t *sb, const LWTRIANGLE *triangle, const GML_Options *opts)
Definition: lwout_gml.c:656
asgml2_line
static void asgml2_line(stringbuffer_t *sb, const LWLINE *line, const GML_Options *opts)
Definition: lwout_gml.c:221
asgml3_line
static void asgml3_line(stringbuffer_t *sb, const LWLINE *line, const GML_Options *opts)
Definition: lwout_gml.c:401
asgml3_ptarray
static void asgml3_ptarray(stringbuffer_t *sb, const POINTARRAY *pa, const GML_Options *opts)
Definition: lwout_gml.c:112
asgml3_point
static void asgml3_point(stringbuffer_t *sb, const LWPOINT *point, const GML_Options *opts)
Definition: lwout_gml.c:378
asgml2_multi
static void asgml2_multi(stringbuffer_t *sb, const LWCOLLECTION *col, const GML_Options *opts)
Definition: lwout_gml.c:273
asgml3_tin
static void asgml3_tin(stringbuffer_t *sb, const LWTIN *tin, const GML_Options *opts)
Definition: lwout_gml.c:740
lwgeom_to_gml3
lwvarlena_t * lwgeom_to_gml3(const LWGEOM *geom, const char *srs, int precision, int opts, const char *prefix, const char *id)
Definition: lwout_gml.c:978
ovdump.opts
opts
Definition: ovdump.py:45
ovdump.type
type
Definition: ovdump.py:42
stringbuffer_release
void stringbuffer_release(stringbuffer_t *s)
Definition: stringbuffer.c:48
stringbuffer_aprintf
int stringbuffer_aprintf(stringbuffer_t *s, const char *fmt,...)
Appends a formatted string to the current string buffer, using the format and argument list provided.
Definition: stringbuffer.c:247
stringbuffer_getvarlena
lwvarlena_t * stringbuffer_getvarlena(stringbuffer_t *s)
Definition: stringbuffer.c:143
stringbuffer_init_varlena
void stringbuffer_init_varlena(stringbuffer_t *s)
Definition: stringbuffer.c:60
stringbuffer_append_double
static void stringbuffer_append_double(stringbuffer_t *s, double d, int precision)
Definition: stringbuffer.h:112
stringbuffer_append
static void stringbuffer_append(stringbuffer_t *s, const char *a)
Append the specified string to the stringbuffer_t.
Definition: stringbuffer.h:105
stringbuffer_append_char
static void stringbuffer_append_char(stringbuffer_t *s, char c)
Definition: stringbuffer.h:119
GBOX::ymax
double ymax
Definition: liblwgeom.h:357
GBOX::zmax
double zmax
Definition: liblwgeom.h:359
GBOX::xmax
double xmax
Definition: liblwgeom.h:355
GBOX::zmin
double zmin
Definition: liblwgeom.h:358
GBOX::ymin
double ymin
Definition: liblwgeom.h:356
GBOX::xmin
double xmin
Definition: liblwgeom.h:354
GBOX::flags
lwflags_t flags
Definition: liblwgeom.h:353
GML_Options::srs
const char * srs
Definition: lwout_gml.c:41
GML_Options::precision
int precision
Definition: lwout_gml.c:42
GML_Options::opts
int opts
Definition: lwout_gml.c:43
GML_Options::is_patch
int is_patch
Definition: lwout_gml.c:44
GML_Options::prefix
const char * prefix
Definition: lwout_gml.c:45
GML_Options::id
const char * id
Definition: lwout_gml.c:46
GML_Options
Definition: lwout_gml.c:40
LWCIRCSTRING::flags
lwflags_t flags
Definition: liblwgeom.h:509
LWCIRCSTRING::points
POINTARRAY * points
Definition: liblwgeom.h:507
LWCOLLECTION::ngeoms
uint32_t ngeoms
Definition: liblwgeom.h:580
LWCOLLECTION::type
uint8_t type
Definition: liblwgeom.h:578
LWCOLLECTION::geoms
LWGEOM ** geoms
Definition: liblwgeom.h:575
LWCOMPOUND::flags
lwflags_t flags
Definition: liblwgeom.h:591
LWCOMPOUND::ngeoms
uint32_t ngeoms
Definition: liblwgeom.h:594
LWCOMPOUND::geoms
LWGEOM ** geoms
Definition: liblwgeom.h:589
LWCURVEPOLY::rings
LWGEOM ** rings
Definition: liblwgeom.h:603
LWCURVEPOLY::flags
lwflags_t flags
Definition: liblwgeom.h:605
LWCURVEPOLY::nrings
uint32_t nrings
Definition: liblwgeom.h:608
LWGEOM::type
uint8_t type
Definition: liblwgeom.h:462
LWLINE::flags
lwflags_t flags
Definition: liblwgeom.h:485
LWLINE::points
POINTARRAY * points
Definition: liblwgeom.h:483
LWMSURFACE::ngeoms
uint32_t ngeoms
Definition: liblwgeom.h:636
LWMSURFACE::geoms
LWGEOM ** geoms
Definition: liblwgeom.h:631
LWPOINT::point
POINTARRAY * point
Definition: liblwgeom.h:471
LWPOINT::type
uint8_t type
Definition: liblwgeom.h:474
LWPOINT::flags
lwflags_t flags
Definition: liblwgeom.h:473
LWPOLY::rings
POINTARRAY ** rings
Definition: liblwgeom.h:519
LWPOLY::nrings
uint32_t nrings
Definition: liblwgeom.h:524
LWPOLY::flags
lwflags_t flags
Definition: liblwgeom.h:521
LWPSURFACE::geoms
LWPOLY ** geoms
Definition: liblwgeom.h:645
LWPSURFACE::ngeoms
uint32_t ngeoms
Definition: liblwgeom.h:650
LWTIN::ngeoms
uint32_t ngeoms
Definition: liblwgeom.h:664
LWTIN::geoms
LWTRIANGLE ** geoms
Definition: liblwgeom.h:659
LWTRIANGLE::flags
lwflags_t flags
Definition: liblwgeom.h:497
LWTRIANGLE::points
POINTARRAY * points
Definition: liblwgeom.h:495
POINT2D::y
double y
Definition: liblwgeom.h:390
POINT2D::x
double x
Definition: liblwgeom.h:390
POINT3D::z
double z
Definition: liblwgeom.h:402
POINT3D::x
double x
Definition: liblwgeom.h:402
POINT3D::y
double y
Definition: liblwgeom.h:402
POINT4D::x
double x
Definition: liblwgeom.h:414
POINT4D::z
double z
Definition: liblwgeom.h:414
POINT4D::y
double y
Definition: liblwgeom.h:414
POINTARRAY::flags
lwflags_t flags
Definition: liblwgeom.h:431
POINTARRAY::npoints
uint32_t npoints
Definition: liblwgeom.h:427
lwvarlena_t
Definition: liblwgeom.h:306
stringbuffer_t
Definition: stringbuffer.h:40