-
Notifications
You must be signed in to change notification settings - Fork 0
/
shapefil.h
484 lines (415 loc) · 16 KB
/
shapefil.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
#ifndef _SHAPEFILE_H_INCLUDED
#define _SHAPEFILE_H_INCLUDED
/******************************************************************************
* $Id: shapefil.h,v 1.26 2002/09/29 00:00:08 warmerda Exp $
*
* Project: Shapelib
* Purpose: Primary include file for Shapelib.
* Author: Frank Warmerdam, warmerdam@pobox.com
*
******************************************************************************
* Copyright (c) 1999, Frank Warmerdam
*
* This software is available under the following "MIT Style" license,
* or at the option of the licensee under the LGPL (see LICENSE.LGPL). This
* option is discussed in more detail in shapelib.html.
*
* --
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
******************************************************************************
*
* $Log: shapefil.h,v $
* Revision 1.26 2002/09/29 00:00:08 warmerda
* added FTLogical and logical attribute read/write calls
*
* Revision 1.25 2002/05/07 13:46:30 warmerda
* added DBFWriteAttributeDirectly().
*
* Revision 1.24 2002/04/10 16:59:54 warmerda
* added SHPRewindObject
*
* Revision 1.23 2002/01/15 14:36:07 warmerda
* updated email address
*
* Revision 1.22 2002/01/15 14:32:00 warmerda
* try to improve SHPAPI_CALL docs
*
* Revision 1.21 2001/11/01 16:29:55 warmerda
* move pabyRec into SHPInfo for thread safety
*
* Revision 1.20 2001/07/20 13:06:02 warmerda
* fixed SHPAPI attribute for SHPTreeFindLikelyShapes
*
* Revision 1.19 2001/05/31 19:20:13 warmerda
* added DBFGetFieldIndex()
*
* Revision 1.18 2001/05/31 18:15:40 warmerda
* Added support for NULL fields in DBF files
*
* Revision 1.17 2001/05/23 13:36:52 warmerda
* added use of SHPAPI_CALL
*
* Revision 1.16 2000/09/25 14:15:59 warmerda
* added DBFGetNativeFieldType()
*
* Revision 1.15 2000/02/16 16:03:51 warmerda
* added null shape support
*
* Revision 1.14 1999/11/05 14:12:05 warmerda
* updated license terms
*
* Revision 1.13 1999/06/02 18:24:21 warmerda
* added trimming code
*
* Revision 1.12 1999/06/02 17:56:12 warmerda
* added quad'' subnode support for trees
*
* Revision 1.11 1999/05/18 19:11:11 warmerda
* Added example searching capability
*
* Revision 1.10 1999/05/18 17:49:38 warmerda
* added initial quadtree support
*
* Revision 1.9 1999/05/11 03:19:28 warmerda
* added new Tuple api, and improved extension handling - add from candrsn
*
* Revision 1.8 1999/03/23 17:22:27 warmerda
* Added extern "C" protection for C++ users of shapefil.h.
*
* Revision 1.7 1998/12/31 15:31:07 warmerda
* Added the TRIM_DBF_WHITESPACE and DISABLE_MULTIPATCH_MEASURE options.
*
* Revision 1.6 1998/12/03 15:48:15 warmerda
* Added SHPCalculateExtents().
*
* Revision 1.5 1998/11/09 20:57:16 warmerda
* Altered SHPGetInfo() call.
*
* Revision 1.4 1998/11/09 20:19:33 warmerda
* Added 3D support, and use of SHPObject.
*
* Revision 1.3 1995/08/23 02:24:05 warmerda
* Added support for reading bounds.
*
* Revision 1.2 1995/08/04 03:17:39 warmerda
* Added header.
*
*/
#include <stdio.h>
#ifdef USE_DBMALLOC
#include <dbmalloc.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/************************************************************************/
/* Configuration options. */
/************************************************************************/
/* -------------------------------------------------------------------- */
/* Should the DBFReadStringAttribute() strip leading and */
/* trailing white space? */
/* -------------------------------------------------------------------- */
#define TRIM_DBF_WHITESPACE
/* -------------------------------------------------------------------- */
/* Should we write measure values to the Multipatch object? */
/* Reportedly ArcView crashes if we do write it, so for now it */
/* is disabled. */
/* -------------------------------------------------------------------- */
#define DISABLE_MULTIPATCH_MEASURE
/* -------------------------------------------------------------------- */
/* SHPAPI_CALL */
/* */
/* The following two macros are present to allow forcing */
/* various calling conventions on the Shapelib API. */
/* */
/* To force __stdcall conventions (needed to call Shapelib */
/* from Visual Basic and/or Dephi I believe) the makefile could */
/* be modified to define: */
/* */
/* /DSHPAPI_CALL=__stdcall */
/* */
/* If it is desired to force export of the Shapelib API without */
/* using the shapelib.def file, use the following definition. */
/* */
/* /DSHAPELIB_DLLEXPORT */
/* */
/* To get both at once it will be necessary to hack this */
/* include file to define: */
/* */
/* #define SHPAPI_CALL __declspec(dllexport) __stdcall */
/* #define SHPAPI_CALL1 __declspec(dllexport) * __stdcall */
/* */
/* The complexity of the situtation is partly caused by the */
/* peculiar requirement of Visual C++ that __stdcall appear */
/* after any "*"'s in the return value of a function while the */
/* __declspec(dllexport) must appear before them. */
/* -------------------------------------------------------------------- */
#ifdef SHAPELIB_DLLEXPORT
# define SHPAPI_CALL __declspec(dllexport)
# define SHPAPI_CALL1(x) __declspec(dllexport) x
#endif
#ifndef SHPAPI_CALL
# define SHPAPI_CALL
#endif
#ifndef SHPAPI_CALL1
# define SHPAPI_CALL1(x) x SHPAPI_CALL
#endif
/************************************************************************/
/* SHP Support. */
/************************************************************************/
struct SHPInfo
{
FILE *fpSHP;
FILE *fpSHX;
int nShapeType; /* SHPT_* */
int nFileSize; /* SHP file */
int nRecords;
int nMaxRecords;
int *panRecOffset;
int *panRecSize;
double adBoundsMin[4];
double adBoundsMax[4];
int bUpdated;
unsigned char *pabyRec;
int nBufSize;
} ;
typedef SHPInfo * SHPHandle;
/* -------------------------------------------------------------------- */
/* Shape types (nSHPType) */
/* -------------------------------------------------------------------- */
#define SHPT_NULL 0
#define SHPT_POINT 1
#define SHPT_ARC 3
#define SHPT_POLYGON 5
#define SHPT_MULTIPOINT 8
#define SHPT_POINTZ 11
#define SHPT_ARCZ 13
#define SHPT_POLYGONZ 15
#define SHPT_MULTIPOINTZ 18
#define SHPT_POINTM 21
#define SHPT_ARCM 23
#define SHPT_POLYGONM 25
#define SHPT_MULTIPOINTM 28
#define SHPT_MULTIPATCH 31
/* -------------------------------------------------------------------- */
/* Part types - everything but SHPT_MULTIPATCH just uses */
/* SHPP_RING. */
/* -------------------------------------------------------------------- */
#define SHPP_TRISTRIP 0
#define SHPP_TRIFAN 1
#define SHPP_OUTERRING 2
#define SHPP_INNERRING 3
#define SHPP_FIRSTRING 4
#define SHPP_RING 5
/* -------------------------------------------------------------------- */
/* SHPObject - represents on shape (without attributes) read */
/* from the .shp file. */
/* -------------------------------------------------------------------- */
struct SHPObject
{
int nSHPType;
int nShapeId; /* -1 is unknown/unassigned */
int nParts;
int *panPartStart;
int *panPartType;
int nVertices;
double *padfX;
double *padfY;
double *padfZ;
double *padfM;
double dfXMin;
double dfYMin;
double dfZMin;
double dfMMin;
double dfXMax;
double dfYMax;
double dfZMax;
double dfMMax;
} ;
/* -------------------------------------------------------------------- */
/* SHP API Prototypes */
/* -------------------------------------------------------------------- */
SHPHandle SHPAPI_CALL
SHPOpen( const char * pszShapeFile, const char * pszAccess );
SHPHandle SHPAPI_CALL
SHPCreate( const char * pszShapeFile, int nShapeType );
void SHPAPI_CALL
SHPGetInfo( SHPHandle hSHP, int * pnEntities, int * pnShapeType,
double * padfMinBound, double * padfMaxBound );
SHPObject SHPAPI_CALL1(*)
SHPReadObject( SHPHandle hSHP, int iShape );
int SHPAPI_CALL
SHPWriteObject( SHPHandle hSHP, int iShape, SHPObject * psObject );
void SHPAPI_CALL
SHPDestroyObject( SHPObject * psObject );
void SHPAPI_CALL
SHPComputeExtents( SHPObject * psObject );
SHPObject SHPAPI_CALL1(*)
SHPCreateObject( int nSHPType, int nShapeId,
int nParts, int * panPartStart, int * panPartType,
int nVertices, double * padfX, double * padfY,
double * padfZ, double * padfM );
SHPObject SHPAPI_CALL1(*)
SHPCreateSimpleObject( int nSHPType, int nVertices,
double * padfX, double * padfY, double * padfZ );
int SHPAPI_CALL
SHPRewindObject( SHPHandle hSHP, SHPObject * psObject );
void SHPAPI_CALL
SHPClose( SHPHandle hSHP );
const char SHPAPI_CALL1(*)
SHPTypeName( int nSHPType );
const char SHPAPI_CALL1(*)
SHPPartTypeName( int nPartType );
/* -------------------------------------------------------------------- */
/* Shape quadtree indexing API. */
/* -------------------------------------------------------------------- */
/* this can be two or four for binary or quad tree */
#define MAX_SUBNODE 4
typedef struct shape_tree_node
{
/* region covered by this node */
double adfBoundsMin[4];
double adfBoundsMax[4];
/* list of shapes stored at this node. The papsShapeObj pointers
or the whole list can be NULL */
int nShapeCount;
int *panShapeIds;
SHPObject **papsShapeObj;
int nSubNodes;
struct shape_tree_node *apsSubNode[MAX_SUBNODE];
} SHPTreeNode;
struct SHPTree
{
SHPHandle hSHP;
int nMaxDepth;
int nDimension;
SHPTreeNode *psRoot;
} ;
SHPTree SHPAPI_CALL1(*)
SHPCreateTree( SHPHandle hSHP, int nDimension, int nMaxDepth,
double *padfBoundsMin, double *padfBoundsMax );
void SHPAPI_CALL
SHPDestroyTree( SHPTree * hTree );
int SHPAPI_CALL
SHPWriteTree( SHPTree *hTree, const char * pszFilename );
SHPTree SHPAPI_CALL
SHPReadTree( const char * pszFilename );
int SHPAPI_CALL
SHPTreeAddObject( SHPTree * hTree, SHPObject * psObject );
int SHPAPI_CALL
SHPTreeAddShapeId( SHPTree * hTree, SHPObject * psObject );
int SHPAPI_CALL
SHPTreeRemoveShapeId( SHPTree * hTree, int nShapeId );
void SHPAPI_CALL
SHPTreeTrimExtraNodes( SHPTree * hTree );
int SHPAPI_CALL1(*)
SHPTreeFindLikelyShapes( SHPTree * hTree,
double * padfBoundsMin,
double * padfBoundsMax,
int * );
int SHPAPI_CALL
SHPCheckBoundsOverlap( double *, double *, double *, double *, int );
/************************************************************************/
/* DBF Support. */
/************************************************************************/
struct DBFInfo
{
FILE *fp;
int nRecords;
int nRecordLength;
int nHeaderLength;
int nFields;
int *panFieldOffset;
int *panFieldSize;
int *panFieldDecimals;
char *pachFieldType;
char *pszHeader;
int nCurrentRecord;
int bCurrentRecordModified;
char *pszCurrentRecord;
int bNoHeader;
int bUpdated;
} ;
typedef DBFInfo * DBFHandle;
enum DBFFieldType{
FTString,
FTInteger,
FTDouble,
FTLogical,
FTInvalid
} ;
#define XBASE_FLDHDR_SZ 32
DBFHandle SHPAPI_CALL
DBFOpen( const char * pszDBFFile, const char * pszAccess );
DBFHandle SHPAPI_CALL
DBFCreate( const char * pszDBFFile );
int SHPAPI_CALL
DBFGetFieldCount( DBFHandle psDBF );
int SHPAPI_CALL
DBFGetRecordCount( DBFHandle psDBF );
int SHPAPI_CALL
DBFAddField( DBFHandle hDBF, const char * pszFieldName,
DBFFieldType eType, int nWidth, int nDecimals );
DBFFieldType SHPAPI_CALL
DBFGetFieldInfo( DBFHandle psDBF, int iField,
char * pszFieldName, int * pnWidth, int * pnDecimals );
int SHPAPI_CALL
DBFGetFieldIndex(DBFHandle psDBF, const char *pszFieldName);
int SHPAPI_CALL
DBFReadIntegerAttribute( DBFHandle hDBF, int iShape, int iField );
double SHPAPI_CALL
DBFReadDoubleAttribute( DBFHandle hDBF, int iShape, int iField );
const char SHPAPI_CALL1(*)
DBFReadStringAttribute( DBFHandle hDBF, int iShape, int iField );
const char SHPAPI_CALL1(*)
DBFReadLogicalAttribute( DBFHandle hDBF, int iShape, int iField );
int SHPAPI_CALL
DBFIsAttributeNULL( DBFHandle hDBF, int iShape, int iField );
int SHPAPI_CALL
DBFWriteIntegerAttribute( DBFHandle hDBF, int iShape, int iField,
int nFieldValue );
int SHPAPI_CALL
DBFWriteDoubleAttribute( DBFHandle hDBF, int iShape, int iField,
double dFieldValue );
int SHPAPI_CALL
DBFWriteStringAttribute( DBFHandle hDBF, int iShape, int iField,
const char * pszFieldValue );
int SHPAPI_CALL
DBFWriteNULLAttribute( DBFHandle hDBF, int iShape, int iField );
int SHPAPI_CALL
DBFWriteLogicalAttribute( DBFHandle hDBF, int iShape, int iField,
const char lFieldValue);
int SHPAPI_CALL
DBFWriteAttributeDirectly(DBFHandle psDBF, int hEntity, int iField,
void * pValue );
const char SHPAPI_CALL1(*)
DBFReadTuple(DBFHandle psDBF, int hEntity );
int SHPAPI_CALL
DBFWriteTuple(DBFHandle psDBF, int hEntity, void * pRawTuple );
DBFHandle SHPAPI_CALL
DBFCloneEmpty(DBFHandle psDBF, const char * pszFilename );
void SHPAPI_CALL
DBFClose( DBFHandle hDBF );
char SHPAPI_CALL
DBFGetNativeFieldType( DBFHandle hDBF, int iField );
#ifdef __cplusplus
}
#endif
#endif /* ndef _SHAPEFILE_H_INCLUDED */