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ogr_api.h

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00001 /******************************************************************************
00002  * $Id: ogr_api.h,v 1.34 2006/12/13 18:35:06 dron Exp $
00003  *
00004  * Project:  OpenGIS Simple Features Reference Implementation
00005  * Purpose:  C API for OGR Geometry, Feature, Layers, DataSource and drivers.
00006  * Author:   Frank Warmerdam, warmerdam@pobox.com
00007  *
00008  ******************************************************************************
00009  * Copyright (c) 2002, Frank Warmerdam
00010  *
00011  * Permission is hereby granted, free of charge, to any person obtaining a
00012  * copy of this software and associated documentation files (the "Software"),
00013  * to deal in the Software without restriction, including without limitation
00014  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
00015  * and/or sell copies of the Software, and to permit persons to whom the
00016  * Software is furnished to do so, subject to the following conditions:
00017  *
00018  * The above copyright notice and this permission notice shall be included
00019  * in all copies or substantial portions of the Software.
00020  *
00021  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00022  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00023  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
00024  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00025  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00026  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00027  * DEALINGS IN THE SOFTWARE.
00028  ******************************************************************************
00029  *
00030  * $Log: ogr_api.h,v $
00031  * Revision 1.34  2006/12/13 18:35:06  dron
00032  * Added OGR_F_SetStyleStringDirectly() declaration.
00033  *
00034  * Revision 1.33  2006/04/02 18:25:59  fwarmerdam
00035  * added OFTDateTime, and OFTTime support
00036  *
00037  * Revision 1.32  2006/02/15 04:25:37  fwarmerdam
00038  * added date support
00039  *
00040  * Revision 1.31  2006/01/27 00:08:36  fwarmerdam
00041  * added Get{FID,Geometry}Column() support
00042  *
00043  * Revision 1.30  2005/10/28 16:47:21  fwarmerdam
00044  * Added OGRCleanupAll().
00045  *
00046  * Revision 1.29  2005/10/25 19:58:27  fwarmerdam
00047  * added OGR_DS_GetDriver
00048  *
00049  * Revision 1.28  2005/09/21 00:50:08  fwarmerdam
00050  * Added Release
00051  *
00052  * Revision 1.27  2005/08/05 20:28:55  fwarmerdam
00053  * pass nbytes in OGR_G_CreateFromWkb()
00054  *
00055  * Revision 1.26  2005/07/20 01:43:51  fwarmerdam
00056  * upgraded OGR geometry dimension handling
00057  *
00058  * Revision 1.25  2005/02/22 12:37:26  fwarmerdam
00059  * rename Equal/Intersect to Equals/Intersects
00060  *
00061  * Revision 1.24  2005/02/02 19:59:47  fwarmerdam
00062  * added SetNextByIndex support
00063  *
00064  * Revision 1.23  2005/01/03 22:15:48  fwarmerdam
00065  * added SetSpatialFilterRect
00066  *
00067  * Revision 1.22  2004/11/22 22:24:56  fwarmerdam
00068  * Give explicit void for functions taking no arguments.
00069  *
00070  * Revision 1.21  2004/10/07 13:10:59  fwarmerdam
00071  * added OGR_G_Centroid
00072  *
00073  * Revision 1.20  2004/09/17 15:05:36  fwarmerdam
00074  * added get_Area() support
00075  *
00076  * Revision 1.19  2004/07/10 06:57:54  warmerda
00077  * Added C entry points and docs for GEOS geometry functions
00078  *
00079  * Revision 1.18  2004/07/10 04:52:44  warmerda
00080  * added OGR_G_CloseRings
00081  *
00082  * Revision 1.17  2003/10/09 15:27:41  warmerda
00083  * added OGRLayer::DeleteFeature() support
00084  *
00085  * Revision 1.16  2003/09/04 14:01:44  warmerda
00086  * added OGRGetGenerate_DB2_V72_BYTE_ORDER
00087  *
00088  * Revision 1.15  2003/08/27 15:40:37  warmerda
00089  * added support for generating DB2 V7.2 compatible WKB
00090  *
00091  * Revision 1.14  2003/04/22 19:33:26  warmerda
00092  * Added synctodisk
00093  *
00094  * Revision 1.13  2003/04/08 21:21:13  warmerda
00095  * added OGRGetDriverByName
00096  *
00097  * Revision 1.12  2003/04/08 19:30:56  warmerda
00098  * added CopyLayer and CopyDataSource entry points
00099  *
00100  * Revision 1.11  2003/03/19 20:28:20  warmerda
00101  * added shared access, and reference counting apis
00102  *
00103  * Revision 1.10  2003/03/12 20:52:07  warmerda
00104  * implemented support for gml:Box
00105  *
00106  * Revision 1.9  2003/03/06 20:29:27  warmerda
00107  * added GML import/export entry points
00108  *
00109  * Revision 1.8  2003/03/05 05:08:49  warmerda
00110  * added GetLayerByName
00111  *
00112  * Revision 1.7  2003/03/03 05:05:54  warmerda
00113  * added support for DeleteDataSource and DeleteLayer
00114  *
00115  * Revision 1.6  2003/01/07 16:44:27  warmerda
00116  * added removeGeometry
00117  *
00118  * Revision 1.5  2003/01/06 21:37:00  warmerda
00119  * added CPL_DLL attribute on OGRBuildPolygon...
00120  *
00121  * Revision 1.4  2003/01/02 21:45:23  warmerda
00122  * move OGRBuildPolygonsFromEdges into C API
00123  *
00124  * Revision 1.3  2002/10/24 16:46:08  warmerda
00125  * removed bogus OGR_G_GetWkbSize()
00126  *
00127  * Revision 1.2  2002/09/26 19:00:07  warmerda
00128  * ensure all entry points CPL_DLL'ed
00129  *
00130  * Revision 1.1  2002/09/26 18:11:51  warmerda
00131  * New
00132  *
00133  */
00134 
00135 #ifndef _OGR_API_H_INCLUDED
00136 #define _OGR_API_H_INCLUDED
00137 
00147 #include "ogr_core.h"
00148 
00149 CPL_C_START
00150 
00151 /* -------------------------------------------------------------------- */
00152 /*      Geometry related functions (ogr_geometry.h)                     */
00153 /* -------------------------------------------------------------------- */
00154 typedef void *OGRGeometryH;
00155 
00156 #ifndef _DEFINED_OGRSpatialReferenceH
00157 #define _DEFINED_OGRSpatialReferenceH
00158 
00159 typedef void *OGRSpatialReferenceH;                               
00160 typedef void *OGRCoordinateTransformationH;
00161 
00162 #endif
00163 
00164 struct _CPLXMLNode;
00165 
00166 /* From base OGRGeometry class */
00167 
00168 OGRErr CPL_DLL OGR_G_CreateFromWkb( unsigned char *, OGRSpatialReferenceH, 
00169                                     OGRGeometryH *, int );
00170 OGRErr CPL_DLL OGR_G_CreateFromWkt( char **, OGRSpatialReferenceH, 
00171                                     OGRGeometryH * );
00172 void   CPL_DLL OGR_G_DestroyGeometry( OGRGeometryH );
00173 OGRGeometryH CPL_DLL OGR_G_CreateGeometry( OGRwkbGeometryType );
00174 
00175 int    CPL_DLL OGR_G_GetDimension( OGRGeometryH );
00176 int    CPL_DLL OGR_G_GetCoordinateDimension( OGRGeometryH );
00177 void   CPL_DLL OGR_G_SetCoordinateDimension( OGRGeometryH, int );
00178 OGRGeometryH CPL_DLL OGR_G_Clone( OGRGeometryH );
00179 void   CPL_DLL OGR_G_GetEnvelope( OGRGeometryH, OGREnvelope * );
00180 OGRErr CPL_DLL OGR_G_ImportFromWkb( OGRGeometryH, unsigned char *, int );
00181 OGRErr CPL_DLL OGR_G_ExportToWkb( OGRGeometryH, OGRwkbByteOrder, unsigned char*);
00182 int    CPL_DLL OGR_G_WkbSize( OGRGeometryH hGeom );
00183 OGRErr CPL_DLL OGR_G_ImportFromWkt( OGRGeometryH, char ** );
00184 OGRErr CPL_DLL OGR_G_ExportToWkt( OGRGeometryH, char ** );
00185 OGRwkbGeometryType CPL_DLL OGR_G_GetGeometryType( OGRGeometryH );
00186 const char CPL_DLL *OGR_G_GetGeometryName( OGRGeometryH );
00187 void   CPL_DLL OGR_G_DumpReadable( OGRGeometryH, FILE *, const char * );
00188 void   CPL_DLL OGR_G_FlattenTo2D( OGRGeometryH );
00189 void   CPL_DLL OGR_G_CloseRings( OGRGeometryH );
00190 
00191 OGRGeometryH CPL_DLL OGR_G_CreateFromGML( const char * );
00192 char   CPL_DLL *OGR_G_ExportToGML( OGRGeometryH );
00193 
00194 #if defined(_CPL_MINIXML_H_INCLUDED)
00195 OGRGeometryH CPL_DLL OGR_G_CreateFromGMLTree( const CPLXMLNode * );
00196 CPLXMLNode CPL_DLL *OGR_G_ExportToGMLTree( OGRGeometryH );
00197 CPLXMLNode CPL_DLL *OGR_G_ExportEnvelopeToGMLTree( OGRGeometryH );
00198 #endif
00199 
00200 void   CPL_DLL OGR_G_AssignSpatialReference( OGRGeometryH, 
00201                                              OGRSpatialReferenceH );
00202 OGRSpatialReferenceH CPL_DLL OGR_G_GetSpatialReference( OGRGeometryH );
00203 OGRErr CPL_DLL OGR_G_Transform( OGRGeometryH, OGRCoordinateTransformationH );
00204 OGRErr CPL_DLL OGR_G_TransformTo( OGRGeometryH, OGRSpatialReferenceH );
00205 
00206 int    CPL_DLL OGR_G_Intersects( OGRGeometryH, OGRGeometryH );
00207 int    CPL_DLL OGR_G_Equals( OGRGeometryH, OGRGeometryH );
00208 int    CPL_DLL OGR_G_Disjoint( OGRGeometryH, OGRGeometryH );
00209 int    CPL_DLL OGR_G_Touches( OGRGeometryH, OGRGeometryH );
00210 int    CPL_DLL OGR_G_Crosses( OGRGeometryH, OGRGeometryH );
00211 int    CPL_DLL OGR_G_Within( OGRGeometryH, OGRGeometryH );
00212 int    CPL_DLL OGR_G_Contains( OGRGeometryH, OGRGeometryH );
00213 int    CPL_DLL OGR_G_Overlaps( OGRGeometryH, OGRGeometryH );
00214 
00215 OGRGeometryH CPL_DLL OGR_G_GetBoundary( OGRGeometryH );
00216 OGRGeometryH CPL_DLL OGR_G_ConvexHull( OGRGeometryH );
00217 OGRGeometryH CPL_DLL OGR_G_Buffer( OGRGeometryH, double, int );
00218 OGRGeometryH CPL_DLL OGR_G_Intersection( OGRGeometryH, OGRGeometryH );
00219 OGRGeometryH CPL_DLL OGR_G_Union( OGRGeometryH, OGRGeometryH );
00220 OGRGeometryH CPL_DLL OGR_G_Difference( OGRGeometryH, OGRGeometryH );
00221 OGRGeometryH CPL_DLL OGR_G_SymmetricDifference( OGRGeometryH, OGRGeometryH );
00222 double CPL_DLL OGR_G_Distance( OGRGeometryH, OGRGeometryH );
00223 
00224 double CPL_DLL OGR_G_GetArea( OGRGeometryH );
00225 int    CPL_DLL OGR_G_Centroid( OGRGeometryH, OGRGeometryH );
00226 
00227 void   CPL_DLL OGR_G_Empty( OGRGeometryH );
00228 
00229 /* backward compatibility */
00230 int    CPL_DLL OGR_G_Intersect( OGRGeometryH, OGRGeometryH );
00231 int    CPL_DLL OGR_G_Equal( OGRGeometryH, OGRGeometryH );
00232 
00233 /* Methods for getting/setting vertices in points, line strings and rings */
00234 int    CPL_DLL OGR_G_GetPointCount( OGRGeometryH );
00235 double CPL_DLL OGR_G_GetX( OGRGeometryH, int );
00236 double CPL_DLL OGR_G_GetY( OGRGeometryH, int );
00237 double CPL_DLL OGR_G_GetZ( OGRGeometryH, int );
00238 void   CPL_DLL OGR_G_GetPoint( OGRGeometryH, int iPoint, 
00239                                double *, double *, double * );
00240 void   CPL_DLL OGR_G_SetPoint( OGRGeometryH, int iPoint, 
00241                                double, double, double );
00242 void   CPL_DLL OGR_G_SetPoint_2D( OGRGeometryH, int iPoint, 
00243                                   double, double );
00244 void   CPL_DLL OGR_G_AddPoint( OGRGeometryH, double, double, double );
00245 void   CPL_DLL OGR_G_AddPoint_2D( OGRGeometryH, double, double );
00246 
00247 /* Methods for getting/setting rings and members collections */
00248 
00249 int    CPL_DLL OGR_G_GetGeometryCount( OGRGeometryH );
00250 OGRGeometryH CPL_DLL OGR_G_GetGeometryRef( OGRGeometryH, int );
00251 OGRErr CPL_DLL OGR_G_AddGeometry( OGRGeometryH, OGRGeometryH );
00252 OGRErr CPL_DLL OGR_G_AddGeometryDirectly( OGRGeometryH, OGRGeometryH );
00253 OGRErr CPL_DLL OGR_G_RemoveGeometry( OGRGeometryH, int, int );
00254 
00255 OGRGeometryH CPL_DLL OGRBuildPolygonFromEdges( OGRGeometryH hLinesAsCollection,
00256                                        int bBestEffort, 
00257                                        int bAutoClose, 
00258                                        double dfTolerance,
00259                                        OGRErr * peErr );
00260 
00261 OGRErr CPL_DLL OGRSetGenerate_DB2_V72_BYTE_ORDER( 
00262     int bGenerate_DB2_V72_BYTE_ORDER );
00263 
00264 int CPL_DLL OGRGetGenerate_DB2_V72_BYTE_ORDER(void);
00265 
00266 /* -------------------------------------------------------------------- */
00267 /*      Feature related (ogr_feature.h)                                 */
00268 /* -------------------------------------------------------------------- */
00269 
00270 typedef void *OGRFieldDefnH;
00271 typedef void *OGRFeatureDefnH;
00272 typedef void *OGRFeatureH;
00273 
00274 /* OGRFieldDefn */
00275 
00276 OGRFieldDefnH CPL_DLL OGR_Fld_Create( const char *, OGRFieldType );
00277 void   CPL_DLL OGR_Fld_Destroy( OGRFieldDefnH );
00278 
00279 void   CPL_DLL OGR_Fld_SetName( OGRFieldDefnH, const char * );
00280 const char CPL_DLL *OGR_Fld_GetNameRef( OGRFieldDefnH );
00281 OGRFieldType CPL_DLL OGR_Fld_GetType( OGRFieldDefnH );
00282 void   CPL_DLL OGR_Fld_SetType( OGRFieldDefnH, OGRFieldType );
00283 OGRJustification CPL_DLL OGR_Fld_GetJustify( OGRFieldDefnH );
00284 void   CPL_DLL OGR_Fld_SetJustify( OGRFieldDefnH, OGRJustification );
00285 int    CPL_DLL OGR_Fld_GetWidth( OGRFieldDefnH );
00286 void   CPL_DLL OGR_Fld_SetWidth( OGRFieldDefnH, int );
00287 int    CPL_DLL OGR_Fld_GetPrecision( OGRFieldDefnH );
00288 void   CPL_DLL OGR_Fld_SetPrecision( OGRFieldDefnH, int );
00289 void   CPL_DLL OGR_Fld_Set( OGRFieldDefnH, const char *, OGRFieldType, 
00290                             int, int, OGRJustification );
00291 
00292 const char CPL_DLL *OGR_GetFieldTypeName( OGRFieldType );
00293 
00294 /* OGRFeatureDefn */
00295 
00296 OGRFeatureDefnH CPL_DLL OGR_FD_Create( const char * );
00297 void   CPL_DLL OGR_FD_Destroy( OGRFeatureDefnH );
00298 void   CPL_DLL OGR_FD_Release( OGRFeatureDefnH );
00299 const char CPL_DLL *OGR_FD_GetName( OGRFeatureDefnH );
00300 int    CPL_DLL OGR_FD_GetFieldCount( OGRFeatureDefnH );
00301 OGRFieldDefnH CPL_DLL OGR_FD_GetFieldDefn( OGRFeatureDefnH, int );
00302 int    CPL_DLL OGR_FD_GetFieldIndex( OGRFeatureDefnH, const char * );
00303 void   CPL_DLL OGR_FD_AddFieldDefn( OGRFeatureDefnH, OGRFieldDefnH );
00304 OGRwkbGeometryType CPL_DLL OGR_FD_GetGeomType( OGRFeatureDefnH );
00305 void   CPL_DLL OGR_FD_SetGeomType( OGRFeatureDefnH, OGRwkbGeometryType );
00306 int    CPL_DLL OGR_FD_Reference( OGRFeatureDefnH );
00307 int    CPL_DLL OGR_FD_Dereference( OGRFeatureDefnH );
00308 int    CPL_DLL OGR_FD_GetReferenceCount( OGRFeatureDefnH );
00309 
00310 /* OGRFeature */
00311 
00312 OGRFeatureH CPL_DLL OGR_F_Create( OGRFeatureDefnH );
00313 void   CPL_DLL OGR_F_Destroy( OGRFeatureH );
00314 OGRFeatureDefnH CPL_DLL OGR_F_GetDefnRef( OGRFeatureH );
00315 
00316 OGRErr CPL_DLL OGR_F_SetGeometryDirectly( OGRFeatureH, OGRGeometryH );
00317 OGRErr CPL_DLL OGR_F_SetGeometry( OGRFeatureH, OGRGeometryH );
00318 OGRGeometryH CPL_DLL OGR_F_GetGeometryRef( OGRFeatureH );
00319 OGRFeatureH CPL_DLL OGR_F_Clone( OGRFeatureH );
00320 int    CPL_DLL OGR_F_Equal( OGRFeatureH, OGRFeatureH );
00321 
00322 int    CPL_DLL OGR_F_GetFieldCount( OGRFeatureH );
00323 OGRFieldDefnH CPL_DLL OGR_F_GetFieldDefnRef( OGRFeatureH, int );
00324 int    CPL_DLL OGR_F_GetFieldIndex( OGRFeatureH, const char * );
00325 
00326 int    CPL_DLL OGR_F_IsFieldSet( OGRFeatureH, int );
00327 void   CPL_DLL OGR_F_UnsetField( OGRFeatureH, int );
00328 OGRField CPL_DLL *OGR_F_GetRawFieldRef( OGRFeatureH, int );
00329 
00330 int    CPL_DLL OGR_F_GetFieldAsInteger( OGRFeatureH, int );
00331 double CPL_DLL OGR_F_GetFieldAsDouble( OGRFeatureH, int );
00332 const char CPL_DLL *OGR_F_GetFieldAsString( OGRFeatureH, int );
00333 const int CPL_DLL *OGR_F_GetFieldAsIntegerList( OGRFeatureH, int, int * );
00334 const double CPL_DLL *OGR_F_GetFieldAsDoubleList( OGRFeatureH, int, int * );
00335 char  CPL_DLL **OGR_F_GetFieldAsStringList( OGRFeatureH, int );
00336 GByte CPL_DLL *OGR_F_GetFieldAsBinary( OGRFeatureH, int, int * );
00337 int   CPL_DLL  OGR_F_GetFieldAsDateTime( OGRFeatureH, int, int *, int *, int *,
00338                                          int *, int *, int *, int * );
00339 
00340 void   CPL_DLL OGR_F_SetFieldInteger( OGRFeatureH, int, int );
00341 void   CPL_DLL OGR_F_SetFieldDouble( OGRFeatureH, int, double );
00342 void   CPL_DLL OGR_F_SetFieldString( OGRFeatureH, int, const char * );
00343 void   CPL_DLL OGR_F_SetFieldIntegerList( OGRFeatureH, int, int, int * );
00344 void   CPL_DLL OGR_F_SetFieldDoubleList( OGRFeatureH, int, int, double * );
00345 void   CPL_DLL OGR_F_SetFieldStringList( OGRFeatureH, int, char ** );
00346 void   CPL_DLL OGR_F_SetFieldRaw( OGRFeatureH, int, OGRField * );
00347 void   CPL_DLL OGR_F_SetFieldBinary( OGRFeatureH, int, int, GByte * );
00348 void   CPL_DLL OGR_F_SetFieldDateTime( OGRFeatureH, int, 
00349                                        int, int, int, int, int, int, int );
00350 
00351 long   CPL_DLL OGR_F_GetFID( OGRFeatureH );
00352 OGRErr CPL_DLL OGR_F_SetFID( OGRFeatureH, long );
00353 void   CPL_DLL OGR_F_DumpReadable( OGRFeatureH, FILE * );
00354 OGRErr CPL_DLL OGR_F_SetFrom( OGRFeatureH, OGRFeatureH, int );
00355 
00356 const char CPL_DLL *OGR_F_GetStyleString( OGRFeatureH );
00357 void   CPL_DLL OGR_F_SetStyleString( OGRFeatureH, const char * );
00358 void   CPL_DLL OGR_F_SetStyleStringDirectly( OGRFeatureH, char * );
00359 
00360 /* -------------------------------------------------------------------- */
00361 /*      ogrsf_frmts.h                                                   */
00362 /* -------------------------------------------------------------------- */
00363 
00364 typedef void *OGRLayerH;
00365 typedef void *OGRDataSourceH;
00366 typedef void *OGRSFDriverH;
00367 
00368 /* OGRLayer */
00369 
00370 OGRGeometryH CPL_DLL OGR_L_GetSpatialFilter( OGRLayerH );
00371 void   CPL_DLL OGR_L_SetSpatialFilter( OGRLayerH, OGRGeometryH );
00372 void   CPL_DLL OGR_L_SetSpatialFilterRect( OGRLayerH, 
00373                                            double, double, double, double );
00374 OGRErr CPL_DLL OGR_L_SetAttributeFilter( OGRLayerH, const char * );
00375 void   CPL_DLL OGR_L_ResetReading( OGRLayerH );
00376 OGRFeatureH CPL_DLL OGR_L_GetNextFeature( OGRLayerH );
00377 OGRErr CPL_DLL OGR_L_SetNextByIndex( OGRLayerH, long );
00378 OGRFeatureH CPL_DLL OGR_L_GetFeature( OGRLayerH, long );
00379 OGRErr CPL_DLL OGR_L_SetFeature( OGRLayerH, OGRFeatureH );
00380 OGRErr CPL_DLL OGR_L_CreateFeature( OGRLayerH, OGRFeatureH );
00381 OGRErr CPL_DLL OGR_L_DeleteFeature( OGRLayerH, long );
00382 OGRFeatureDefnH CPL_DLL OGR_L_GetLayerDefn( OGRLayerH );
00383 OGRSpatialReferenceH CPL_DLL OGR_L_GetSpatialRef( OGRLayerH );
00384 int    CPL_DLL OGR_L_GetFeatureCount( OGRLayerH, int );
00385 OGRErr CPL_DLL OGR_L_GetExtent( OGRLayerH, OGREnvelope *, int );
00386 int    CPL_DLL OGR_L_TestCapability( OGRLayerH, const char * );
00387 OGRErr CPL_DLL OGR_L_CreateField( OGRLayerH, OGRFieldDefnH, int );
00388 OGRErr CPL_DLL OGR_L_StartTransaction( OGRLayerH );
00389 OGRErr CPL_DLL OGR_L_CommitTransaction( OGRLayerH );
00390 OGRErr CPL_DLL OGR_L_RollbackTransaction( OGRLayerH );
00391 int    CPL_DLL OGR_L_Reference( OGRLayerH );
00392 int    CPL_DLL OGR_L_Dereference( OGRLayerH );
00393 int    CPL_DLL OGR_L_GetRefCount( OGRLayerH );
00394 OGRErr CPL_DLL OGR_L_SyncToDisk( OGRLayerH );
00395 GIntBig CPL_DLL OGR_L_GetFeaturesRead( OGRLayerH );
00396 const char CPL_DLL *OGR_L_GetFIDColumn( OGRLayerH );
00397 const char CPL_DLL *OGR_L_GetGeometryColumn( OGRLayerH );
00398 /* OGRDataSource */
00399 
00400 void   CPL_DLL OGR_DS_Destroy( OGRDataSourceH );
00401 const char CPL_DLL *OGR_DS_GetName( OGRDataSourceH );
00402 int    CPL_DLL OGR_DS_GetLayerCount( OGRDataSourceH );
00403 OGRLayerH CPL_DLL OGR_DS_GetLayer( OGRDataSourceH, int );
00404 OGRLayerH CPL_DLL OGR_DS_GetLayerByName( OGRDataSourceH, const char * );
00405 OGRErr    CPL_DLL OGR_DS_DeleteLayer( OGRDataSourceH, int );
00406 OGRSFDriverH CPL_DLL OGR_DS_GetDriver( OGRDataSourceH );
00407 OGRLayerH CPL_DLL OGR_DS_CreateLayer( OGRDataSourceH, const char *, 
00408                                       OGRSpatialReferenceH, OGRwkbGeometryType,
00409                                       char ** );
00410 OGRLayerH CPL_DLL OGR_DS_CopyLayer( OGRDataSourceH, OGRLayerH, const char *,
00411                                     char ** );
00412 int    CPL_DLL OGR_DS_TestCapability( OGRDataSourceH, const char * );
00413 OGRLayerH CPL_DLL OGR_DS_ExecuteSQL( OGRDataSourceH, const char *,
00414                                      OGRGeometryH, const char * );
00415 void   CPL_DLL OGR_DS_ReleaseResultSet( OGRDataSourceH, OGRLayerH );
00416 int    CPL_DLL OGR_DS_Reference( OGRDataSourceH );
00417 int    CPL_DLL OGR_DS_Dereference( OGRDataSourceH );
00418 int    CPL_DLL OGR_DS_GetRefCount( OGRDataSourceH );
00419 int    CPL_DLL OGR_DS_GetSummaryRefCount( OGRDataSourceH );
00420 OGRErr CPL_DLL OGR_DS_SyncToDisk( OGRDataSourceH );
00421 
00422 /* OGRSFDriver */
00423 
00424 const char CPL_DLL *OGR_Dr_GetName( OGRSFDriverH );
00425 OGRDataSourceH CPL_DLL OGR_Dr_Open( OGRSFDriverH, const char *, int );
00426 int CPL_DLL OGR_Dr_TestCapability( OGRSFDriverH, const char * );
00427 OGRDataSourceH CPL_DLL OGR_Dr_CreateDataSource( OGRSFDriverH, const char *,
00428                                                 char ** );
00429 OGRDataSourceH CPL_DLL OGR_Dr_CopyDataSource( OGRSFDriverH,  OGRDataSourceH, 
00430                                               const char *, char ** );
00431 OGRErr CPL_DLL OGR_Dr_DeleteDataSource( OGRSFDriverH, const char * );
00432 
00433 /* OGRSFDriverRegistrar */
00434 
00435 OGRDataSourceH CPL_DLL OGROpen( const char *, int, OGRSFDriverH * );
00436 OGRDataSourceH CPL_DLL OGROpenShared( const char *, int, OGRSFDriverH * );
00437 OGRErr  CPL_DLL OGRReleaseDataSource( OGRDataSourceH );
00438 void    CPL_DLL OGRRegisterDriver( OGRSFDriverH );
00439 int     CPL_DLL OGRGetDriverCount(void);
00440 OGRSFDriverH CPL_DLL OGRGetDriver( int );
00441 OGRSFDriverH CPL_DLL OGRGetDriverByName( const char * );
00442 int     CPL_DLL OGRGetOpenDSCount(void);
00443 OGRDataSourceH CPL_DLL OGRGetOpenDS( int iDS );
00444 
00445 
00446 /* note: this is also declared in ogrsf_frmts.h */
00447 void CPL_DLL OGRRegisterAll(void);
00448 void CPL_DLL OGRCleanupAll(void);
00449 
00450 CPL_C_END
00451 
00452 #endif /* ndef _OGR_API_H_INCLUDED */
00453 
00454 

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