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ogr_feature.h
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1 /******************************************************************************
2 * $Id: ogr_feature.h 33631 2016-03-04 06:28:09Z goatbar $
3 *
4 * Project: OpenGIS Simple Features Reference Implementation
5 * Purpose: Class for representing a whole feature, and layer schemas.
6 * Author: Frank Warmerdam, warmerdam@pobox.com
7 *
8 ******************************************************************************
9 * Copyright (c) 1999, Les Technologies SoftMap Inc.
10 * Copyright (c) 2008-2013, Even Rouault <even dot rouault at mines-paris dot org>
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice shall be included
20 * in all copies or substantial portions of the Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
25 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28 * DEALINGS IN THE SOFTWARE.
29 ****************************************************************************/
30
31 #ifndef OGR_FEATURE_H_INCLUDED
32 #define OGR_FEATURE_H_INCLUDED
33
34 #include "ogr_geometry.h"
35 #include "ogr_featurestyle.h"
36 #include "cpl_atomic_ops.h"
37
44 /************************************************************************/
45 /* OGRFieldDefn */
46 /************************************************************************/
47
62 class CPL_DLL OGRFieldDefn
63 {
64 private:
65 char *pszName;
66 OGRFieldType eType;
67 OGRJustification eJustify;
68 int nWidth; /* zero is variable */
69 int nPrecision;
70 char *pszDefault;
71
72 int bIgnore;
73 OGRFieldSubType eSubType;
74
75 int bNullable;
76
77 void Initialize( const char *, OGRFieldType );
78
79 public:
80 OGRFieldDefn( const char *, OGRFieldType );
81 OGRFieldDefn( OGRFieldDefn * );
82 ~OGRFieldDefn();
83
84 void SetName( const char * );
85 const char *GetNameRef() { return pszName; }
86
87 OGRFieldType GetType() { return eType; }
88 void SetType( OGRFieldType eTypeIn );
89 static const char *GetFieldTypeName( OGRFieldType );
90
91 OGRFieldSubType GetSubType() { return eSubType; }
92 void SetSubType( OGRFieldSubType eSubTypeIn );
93 static const char *GetFieldSubTypeName( OGRFieldSubType );
94
95 OGRJustification GetJustify() { return eJustify; }
96 void SetJustify( OGRJustification eJustifyIn )
97 { eJustify = eJustifyIn; }
98
99 int GetWidth() { return nWidth; }
100 void SetWidth( int nWidthIn ) { nWidth = MAX(0,nWidthIn); }
101
102 int GetPrecision() { return nPrecision; }
103 void SetPrecision( int nPrecisionIn )
104 { nPrecision = nPrecisionIn; }
105
106 void Set( const char *, OGRFieldType, int = 0, int = 0,
107 OGRJustification = OJUndefined );
108
109 void SetDefault( const char* );
110 const char *GetDefault() const;
111 int IsDefaultDriverSpecific() const;
112
113 int IsIgnored() { return bIgnore; }
114 void SetIgnored( int bIgnoreIn ) { bIgnore = bIgnoreIn; }
115
116 int IsNullable() const { return bNullable; }
117 void SetNullable( int bNullableIn ) { bNullable = bNullableIn; }
118
119 int IsSame( const OGRFieldDefn * ) const;
120
121 private:
122 CPL_DISALLOW_COPY_ASSIGN(OGRFieldDefn);
123 };
124
125 /************************************************************************/
126 /* OGRGeomFieldDefn */
127 /************************************************************************/
128
143 class CPL_DLL OGRGeomFieldDefn
144 {
145 protected:
146 char *pszName;
147 OGRwkbGeometryType eGeomType; /* all values possible except wkbNone */
148 OGRSpatialReference* poSRS;
149
150 int bIgnore;
151 int bNullable;
152
153 void Initialize( const char *, OGRwkbGeometryType );
154
155 public:
156 OGRGeomFieldDefn(const char *pszNameIn,
157 OGRwkbGeometryType eGeomTypeIn);
158 OGRGeomFieldDefn( OGRGeomFieldDefn * );
159 virtual ~OGRGeomFieldDefn();
160
161 void SetName( const char * );
162 const char *GetNameRef() { return pszName; }
163
164 OGRwkbGeometryType GetType() { return eGeomType; }
165 void SetType( OGRwkbGeometryType eTypeIn );
166
167 virtual OGRSpatialReference* GetSpatialRef();
168 void SetSpatialRef(OGRSpatialReference* poSRSIn);
169
170 int IsIgnored() { return bIgnore; }
171 void SetIgnored( int bIgnoreIn ) { bIgnore = bIgnoreIn; }
172
173 int IsNullable() const { return bNullable; }
174 void SetNullable( int bNullableIn ) { bNullable = bNullableIn; }
175
176 int IsSame( OGRGeomFieldDefn * );
177
178 private:
179 CPL_DISALLOW_COPY_ASSIGN(OGRGeomFieldDefn);
180 };
181
182 /************************************************************************/
183 /* OGRFeatureDefn */
184 /************************************************************************/
185
206 class CPL_DLL OGRFeatureDefn
207 {
208 protected:
209 volatile int nRefCount;
210
211 int nFieldCount;
212 OGRFieldDefn **papoFieldDefn;
213
214 int nGeomFieldCount;
215 OGRGeomFieldDefn **papoGeomFieldDefn;
216
217 char *pszFeatureClassName;
218
219 int bIgnoreStyle;
220
221 public:
222 OGRFeatureDefn( const char * pszName = NULL );
223 virtual ~OGRFeatureDefn();
224
225 virtual const char *GetName();
226
227 virtual int GetFieldCount();
228 virtual OGRFieldDefn *GetFieldDefn( int i );
229 virtual int GetFieldIndex( const char * );
230
231 virtual void AddFieldDefn( OGRFieldDefn * );
232 virtual OGRErr DeleteFieldDefn( int iField );
233 virtual OGRErr ReorderFieldDefns( int* panMap );
234
235 virtual int GetGeomFieldCount();
236 virtual OGRGeomFieldDefn *GetGeomFieldDefn( int i );
237 virtual int GetGeomFieldIndex( const char * );
238
239 virtual void AddGeomFieldDefn( OGRGeomFieldDefn *, int bCopy = TRUE );
240 virtual OGRErr DeleteGeomFieldDefn( int iGeomField );
241
242 virtual OGRwkbGeometryType GetGeomType();
243 virtual void SetGeomType( OGRwkbGeometryType );
244
245 virtual OGRFeatureDefn *Clone();
246
247 int Reference() { return CPLAtomicInc(&nRefCount); }
248 int Dereference() { return CPLAtomicDec(&nRefCount); }
249 int GetReferenceCount() { return nRefCount; }
250 void Release();
251
252 virtual int IsGeometryIgnored();
253 virtual void SetGeometryIgnored( int bIgnore );
254 virtual int IsStyleIgnored() { return bIgnoreStyle; }
255 virtual void SetStyleIgnored( int bIgnore ) { bIgnoreStyle = bIgnore; }
256
257 virtual int IsSame( OGRFeatureDefn * poOtherFeatureDefn );
258
259 static OGRFeatureDefn *CreateFeatureDefn( const char *pszName = NULL );
260 static void DestroyFeatureDefn( OGRFeatureDefn * );
261
262 private:
263 CPL_DISALLOW_COPY_ASSIGN(OGRFeatureDefn);
264 };
265
266 /************************************************************************/
267 /* OGRFeature */
268 /************************************************************************/
269
274 class CPL_DLL OGRFeature
275 {
276 private:
277
278 GIntBig nFID;
279 OGRFeatureDefn *poDefn;
280 OGRGeometry **papoGeometries;
281 OGRField *pauFields;
282 char *m_pszNativeData;
283 char *m_pszNativeMediaType;
284
285 bool SetFieldInternal( int i, OGRField * puValue );
286
287 protected:
288 char * m_pszStyleString;
289 OGRStyleTable *m_poStyleTable;
290 char * m_pszTmpFieldValue;
291
292 public:
293 OGRFeature( OGRFeatureDefn * );
294 virtual ~OGRFeature();
295
296 OGRFeatureDefn *GetDefnRef() { return poDefn; }
297
298 OGRErr SetGeometryDirectly( OGRGeometry * );
299 OGRErr SetGeometry( OGRGeometry * );
300 OGRGeometry *GetGeometryRef();
301 OGRGeometry *StealGeometry() CPL_WARN_UNUSED_RESULT;
302
303 int GetGeomFieldCount()
304 { return poDefn->GetGeomFieldCount(); }
305 OGRGeomFieldDefn *GetGeomFieldDefnRef( int iField )
306 { return poDefn->GetGeomFieldDefn(iField); }
307 int GetGeomFieldIndex( const char * pszName)
308 { return poDefn->GetGeomFieldIndex(pszName); }
309
310 OGRGeometry* GetGeomFieldRef(int iField);
311 OGRGeometry* StealGeometry(int iField);
312 OGRGeometry* GetGeomFieldRef(const char* pszFName);
313 OGRErr SetGeomFieldDirectly( int iField, OGRGeometry * );
314 OGRErr SetGeomField( int iField, OGRGeometry * );
315
316 OGRFeature *Clone() CPL_WARN_UNUSED_RESULT;
317 virtual OGRBoolean Equal( OGRFeature * poFeature );
318
319 int GetFieldCount() { return poDefn->GetFieldCount(); }
320 OGRFieldDefn *GetFieldDefnRef( int iField )
321 { return poDefn->GetFieldDefn(iField); }
322 int GetFieldIndex( const char * pszName)
323 { return poDefn->GetFieldIndex(pszName);}
324
325 int IsFieldSet( int iField );
326
327 void UnsetField( int iField );
328
329 OGRField *GetRawFieldRef( int i ) { return pauFields + i; }
330
331 int GetFieldAsInteger( int i );
332 GIntBig GetFieldAsInteger64( int i );
333 double GetFieldAsDouble( int i );
334 const char *GetFieldAsString( int i );
335 const int *GetFieldAsIntegerList( int i, int *pnCount );
336 const GIntBig *GetFieldAsInteger64List( int i, int *pnCount );
337 const double *GetFieldAsDoubleList( int i, int *pnCount );
338 char **GetFieldAsStringList( int i );
339 GByte *GetFieldAsBinary( int i, int *pnCount );
340 int GetFieldAsDateTime( int i,
341 int *pnYear, int *pnMonth, int *pnDay,
342 int *pnHour, int *pnMinute, int *pnSecond,
343 int *pnTZFlag );
344 int GetFieldAsDateTime( int i,
345 int *pnYear, int *pnMonth, int *pnDay,
346 int *pnHour, int *pnMinute, float *pfSecond,
347 int *pnTZFlag );
348
349 int GetFieldAsInteger( const char *pszFName )
350 { return GetFieldAsInteger( GetFieldIndex(pszFName) ); }
351 GIntBig GetFieldAsInteger64( const char *pszFName )
352 { return GetFieldAsInteger64( GetFieldIndex(pszFName) ); }
353 double GetFieldAsDouble( const char *pszFName )
354 { return GetFieldAsDouble( GetFieldIndex(pszFName) ); }
355 const char *GetFieldAsString( const char *pszFName )
356 { return GetFieldAsString( GetFieldIndex(pszFName) ); }
357 const int *GetFieldAsIntegerList( const char *pszFName,
358 int *pnCount )
359 { return GetFieldAsIntegerList( GetFieldIndex(pszFName),
360 pnCount ); }
361 const GIntBig *GetFieldAsInteger64List( const char *pszFName,
362 int *pnCount )
363 { return GetFieldAsInteger64List( GetFieldIndex(pszFName),
364 pnCount ); }
365 const double *GetFieldAsDoubleList( const char *pszFName,
366 int *pnCount )
367 { return GetFieldAsDoubleList( GetFieldIndex(pszFName),
368 pnCount ); }
369 char **GetFieldAsStringList( const char *pszFName )
370 { return GetFieldAsStringList(GetFieldIndex(pszFName)); }
371
372 void SetField( int i, int nValue );
373 void SetField( int i, GIntBig nValue );
374 void SetField( int i, double dfValue );
375 void SetField( int i, const char * pszValue );
376 void SetField( int i, int nCount, int * panValues );
377 void SetField( int i, int nCount, const GIntBig * panValues );
378 void SetField( int i, int nCount, double * padfValues );
379 void SetField( int i, char ** papszValues );
380 void SetField( int i, OGRField * puValue );
381 void SetField( int i, int nCount, GByte * pabyBinary );
382 void SetField( int i, int nYear, int nMonth, int nDay,
383 int nHour=0, int nMinute=0, float fSecond=0.f,
384 int nTZFlag = 0 );
385
386 void SetField( const char *pszFName, int nValue )
387 { SetField( GetFieldIndex(pszFName), nValue ); }
388 void SetField( const char *pszFName, GIntBig nValue )
389 { SetField( GetFieldIndex(pszFName), nValue ); }
390 void SetField( const char *pszFName, double dfValue )
391 { SetField( GetFieldIndex(pszFName), dfValue ); }
392 void SetField( const char *pszFName, const char * pszValue)
393 { SetField( GetFieldIndex(pszFName), pszValue ); }
394 void SetField( const char *pszFName, int nCount,
395 int * panValues )
396 { SetField(GetFieldIndex(pszFName),nCount,panValues);}
397 void SetField( const char *pszFName, int nCount,
398 const GIntBig * panValues )
399 { SetField(GetFieldIndex(pszFName),nCount,panValues);}
400 void SetField( const char *pszFName, int nCount,
401 double * padfValues )
402 {SetField(GetFieldIndex(pszFName),nCount,padfValues);}
403 void SetField( const char *pszFName, char ** papszValues )
404 { SetField( GetFieldIndex(pszFName), papszValues); }
405 void SetField( const char *pszFName, OGRField * puValue )
406 { SetField( GetFieldIndex(pszFName), puValue ); }
407 void SetField( const char *pszFName,
408 int nYear, int nMonth, int nDay,
409 int nHour=0, int nMinute=0, float fSecond=0.f,
410 int nTZFlag = 0 )
411 { SetField( GetFieldIndex(pszFName),
412 nYear, nMonth, nDay,
413 nHour, nMinute, fSecond, nTZFlag ); }
414
415 GIntBig GetFID() { return nFID; }
416 virtual OGRErr SetFID( GIntBig nFIDIn );
417
418 void DumpReadable( FILE *, char** papszOptions = NULL );
419
420 OGRErr SetFrom( OGRFeature *, int = TRUE);
421 OGRErr SetFrom( OGRFeature *, int *, int = TRUE );
422 OGRErr SetFieldsFrom( OGRFeature *, int *, int = TRUE );
423
424 OGRErr RemapFields( OGRFeatureDefn *poNewDefn,
425 int *panRemapSource );
426 OGRErr RemapGeomFields( OGRFeatureDefn *poNewDefn,
427 int *panRemapSource );
428
429 int Validate( int nValidateFlags,
430 int bEmitError );
431 void FillUnsetWithDefault(int bNotNullableOnly,
432 char** papszOptions );
433
434 virtual const char *GetStyleString();
435 virtual void SetStyleString( const char * );
436 virtual void SetStyleStringDirectly( char * );
437 virtual OGRStyleTable *GetStyleTable() { return m_poStyleTable; }
438 virtual void SetStyleTable(OGRStyleTable *poStyleTable);
439 virtual void SetStyleTableDirectly(OGRStyleTable *poStyleTable);
440
441 const char *GetNativeData() const { return m_pszNativeData; }
442 const char *GetNativeMediaType() const { return m_pszNativeMediaType; }
443 void SetNativeData( const char* pszNativeData );
444 void SetNativeMediaType( const char* pszNativeMediaType );
445
446 static OGRFeature *CreateFeature( OGRFeatureDefn * );
447 static void DestroyFeature( OGRFeature * );
448
449 private:
450 CPL_DISALLOW_COPY_ASSIGN(OGRFeature);
451 };
452
453 /************************************************************************/
454 /* OGRFeatureQuery */
455 /************************************************************************/
456
457 class OGRLayer;
458 class swq_expr_node;
459 class swq_custom_func_registrar;
460
461 class CPL_DLL OGRFeatureQuery
462 {
463 private:
464 OGRFeatureDefn *poTargetDefn;
465 void *pSWQExpr;
466
467 char **FieldCollector( void *, char ** );
468
469 GIntBig *EvaluateAgainstIndices( swq_expr_node*, OGRLayer *, GIntBig& nFIDCount);
470
471 int CanUseIndex( swq_expr_node*, OGRLayer * );
472
473 public:
474 OGRFeatureQuery();
475 ~OGRFeatureQuery();
476
477 OGRErr Compile( OGRFeatureDefn *, const char *,
478 int bCheck = TRUE, swq_custom_func_registrar* poCustomFuncRegistrar = NULL );
479 int Evaluate( OGRFeature * );
480
481 GIntBig *EvaluateAgainstIndices( OGRLayer *, OGRErr * );
482
483 int CanUseIndex( OGRLayer * );
484
485 char **GetUsedFields();
486
487 void *GetSWQExpr() { return pSWQExpr; }
488 };
489
490 #endif /* ndef OGR_FEATURE_H_INCLUDED */
OGRGeomFieldDefn::IsIgnored
int IsIgnored()
Return whether this field should be omitted when fetching features.
Definition: ogr_feature.h:170
OGRFeatureDefn::GetReferenceCount
int GetReferenceCount()
Fetch current reference count.
Definition: ogr_feature.h:249
OGRFieldSubType
OGRFieldSubType
List of field subtypes.
Definition: ogr_core.h:628
OGRFieldDefn::GetSubType
OGRFieldSubType GetSubType()
Fetch subtype of this field.
Definition: ogr_feature.h:91
OGRFeature::GetRawFieldRef
OGRField * GetRawFieldRef(int i)
Fetch a pointer to the internal field value given the index.
Definition: ogr_feature.h:329
OGRGeomFieldDefn::GetNameRef
const char * GetNameRef()
Fetch name of this field.
Definition: ogr_feature.h:162
OGRGeomFieldDefn::SetNullable
void SetNullable(int bNullableIn)
Set whether this geometry field can receive null values.
Definition: ogr_feature.h:174
OGRGeomFieldDefn
Definition of a geometry field of an OGRFeatureDefn.
Definition: ogr_feature.h:143
OGRFieldDefn::GetPrecision
int GetPrecision()
Get the formatting precision for this field.
Definition: ogr_feature.h:102
OGRFeatureDefn::GetGeomFieldCount
virtual int GetGeomFieldCount()
Fetch number of geometry fields on this feature.
Definition: ogrfeaturedefn.cpp:575
OGRFeatureDefn::SetStyleIgnored
virtual void SetStyleIgnored(int bIgnore)
Set whether the style can be omitted when fetching features.
Definition: ogr_feature.h:255
OGRFieldDefn::GetWidth
int GetWidth()
Get the formatting width for this field.
Definition: ogr_feature.h:99
OGRFeature::GetFieldIndex
int GetFieldIndex(const char *pszName)
Fetch the field index given field name.
Definition: ogr_feature.h:322
OGRFeatureDefn
Definition of a feature class or feature layer.
Definition: ogr_feature.h:206
OGRFeatureDefn::GetGeomFieldIndex
virtual int GetGeomFieldIndex(const char *)
Find geometry field by name.
Definition: ogrfeaturedefn.cpp:829
ogr_featurestyle.h
Simple feature style classes.
OGRFieldDefn
Definition of an attribute of an OGRFeatureDefn.
Definition: ogr_feature.h:62
OGRFieldDefn::GetType
OGRFieldType GetType()
Fetch type of this field.
Definition: ogr_feature.h:87
OGRFieldDefn::GetNameRef
const char * GetNameRef()
Fetch name of this field.
Definition: ogr_feature.h:85
OGRwkbGeometryType
OGRwkbGeometryType
List of well known binary geometry types.
Definition: ogr_core.h:333
OGRFeature::GetNativeMediaType
const char * GetNativeMediaType() const
Returns the native media type for the feature.
Definition: ogr_feature.h:442
OGRGeomFieldDefn::GetType
OGRwkbGeometryType GetType()
Fetch geometry type of this field.
Definition: ogr_feature.h:164
OGRFeatureDefn::GetGeomFieldDefn
virtual OGRGeomFieldDefn * GetGeomFieldDefn(int i)
Fetch geometry field definition.
Definition: ogrfeaturedefn.cpp:623
OGRFeature::GetFieldDefnRef
OGRFieldDefn * GetFieldDefnRef(int iField)
Fetch definition for this field.
Definition: ogr_feature.h:320
OGRFieldDefn::SetPrecision
void SetPrecision(int nPrecisionIn)
Set the formatting precision for this field in characters.
Definition: ogr_feature.h:103
OGRGeometry
Abstract base class for all geometry classes.
Definition: ogr_geometry.h:104
OGRFeatureQuery
Definition: ogr_feature.h:461
OGRFieldDefn::IsNullable
int IsNullable() const
Return whether this field can receive null values.
Definition: ogr_feature.h:116
OGRFieldDefn::SetWidth
void SetWidth(int nWidthIn)
Set the formatting width for this field in characters.
Definition: ogr_feature.h:100
OGRJustification
OGRJustification
Display justification for field values.
Definition: ogr_core.h:644
OGRFieldDefn::GetJustify
OGRJustification GetJustify()
Get the justification for this field.
Definition: ogr_feature.h:95
OGRFeatureDefn::Reference
int Reference()
Increments the reference count by one.
Definition: ogr_feature.h:247
OGRFieldType
OGRFieldType
List of feature field types.
Definition: ogr_core.h:600
OGRSpatialReference
This class represents an OpenGIS Spatial Reference System, and contains methods for converting betwee...
Definition: ogr_spatialref.h:129
OGRFeature::GetGeomFieldIndex
int GetGeomFieldIndex(const char *pszName)
Fetch the geometry field index given geometry field name.
Definition: ogr_feature.h:307
OGRFieldDefn::IsIgnored
int IsIgnored()
Return whether this field should be omitted when fetching features.
Definition: ogr_feature.h:113
OGRFeatureDefn::Dereference
int Dereference()
Decrements the reference count by one.
Definition: ogr_feature.h:248
swq_custom_func_registrar
Definition: swq.h:170
OGRField
OGRFeature field attribute value union.
Definition: ogr_core.h:662
OGRGeomFieldDefn::SetIgnored
void SetIgnored(int bIgnoreIn)
Set whether this field should be omitted when fetching features.
Definition: ogr_feature.h:171
OGRLayer
This class represents a layer of simple features, with access methods.
Definition: ogrsf_frmts.h:66
OGRFeature::GetGeomFieldDefnRef
OGRGeomFieldDefn * GetGeomFieldDefnRef(int iField)
Fetch definition for this geometry field.
Definition: ogr_feature.h:305
OGRFeature
A simple feature, including geometry and attributes.
Definition: ogr_feature.h:274
OGRFeatureDefn::GetFieldCount
virtual int GetFieldCount()
Fetch number of fields on this feature.
Definition: ogrfeaturedefn.cpp:265
OGRFeatureDefn::GetFieldDefn
virtual OGRFieldDefn * GetFieldDefn(int i)
Fetch field definition.
Definition: ogrfeaturedefn.cpp:312
OGRStyleTable
This class represents a style table.
Definition: ogr_featurestyle.h:82
OGRFeatureDefn::IsStyleIgnored
virtual int IsStyleIgnored()
Determine whether the style can be omitted when fetching features.
Definition: ogr_feature.h:254
OGRFeature::GetNativeData
const char * GetNativeData() const
Returns the native data for the feature.
Definition: ogr_feature.h:441
ogr_geometry.h
Simple feature geometry classes.
OGRFieldDefn::SetJustify
void SetJustify(OGRJustification eJustifyIn)
Set the justification for this field.
Definition: ogr_feature.h:96
OGRGeomFieldDefn::IsNullable
int IsNullable() const
Return whether this geometry field can receive null values.
Definition: ogr_feature.h:173
OGRFeature::GetDefnRef
OGRFeatureDefn * GetDefnRef()
Fetch feature definition.
Definition: ogr_feature.h:296
swq_expr_node
Definition: swq.h:102
OGRFeature::GetFID
GIntBig GetFID()
Get feature identifier.
Definition: ogr_feature.h:415
OGRFeatureDefn::GetFieldIndex
virtual int GetFieldIndex(const char *)
Find field by name.
Definition: ogrfeaturedefn.cpp:1127
OGRFieldDefn::SetIgnored
void SetIgnored(int bIgnoreIn)
Set whether this field should be omitted when fetching features.
Definition: ogr_feature.h:114
OGRFieldDefn::SetNullable
void SetNullable(int bNullableIn)
Set whether this field can receive null values.
Definition: ogr_feature.h:117

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