GDAL
gnm.h
1 /******************************************************************************
2  * $Id$
3  *
4  * Project: GDAL/OGR Geography Network support (Geographic Network Model)
5  * Purpose: GNM general public declarations.
6  * Authors: Mikhail Gusev (gusevmihs at gmail dot com)
7  * Dmitry Baryshnikov, polimax@mail.ru
8  *
9  ******************************************************************************
10  * Copyright (c) 2014, Mikhail Gusev
11  * Copyright (c) 2014-2015, NextGIS <info@nextgis.com>
12  *
13  * Permission is hereby granted, free of charge, to any person obtaining a
14  * copy of this software and associated documentation files (the "Software"),
15  * to deal in the Software without restriction, including without limitation
16  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
17  * and/or sell copies of the Software, and to permit persons to whom the
18  * Software is furnished to do so, subject to the following conditions:
19  *
20  * The above copyright notice and this permission notice shall be included
21  * in all copies or substantial portions of the Software.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
24  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
26  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
28  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
29  * DEALINGS IN THE SOFTWARE.
30  ****************************************************************************/
31 
32 #ifndef GNM
33 #define GNM
34 
35 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
36 #include "ogrsf_frmts.h"
37 #endif
38 #include "gnmgraph.h"
39 
40 // Direction of an edge.
41 typedef int GNMDirection; // We use int values in order to save them to the
42  // network data.
43 
44 // Network's metadata parameters names.
45 #define GNM_MD_NAME "net_name"
46 #define GNM_MD_DESCR "net_description"
47 #define GNM_MD_SRS "net_srs"
48 #define GNM_MD_VERSION "net_version"
49 #define GNM_MD_RULE "net_rule"
50 #define GNM_MD_FORMAT "FORMAT"
51 #define GNM_MD_FETCHEDGES "fetch_edge"
52 #define GNM_MD_FETCHVERTEX "fetch_vertex"
53 #define GNM_MD_NUM_PATHS "num_paths"
54 #define GNM_MD_EMITTER "emitter"
55 
56 // TODO: Constants for capabilities.
57 // #define GNMCanChangeConnections "CanChangeConnections"
58 
59 typedef enum
60 { GATDijkstraShortestPath = 1, GATKShortestPath, GATConnectedComponents
64 } GNMGraphAlgorithmType;
65 
66 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS)
67 
74 class CPL_DLL GNMNetwork : public GDALDataset
75 {
76  public:
77  GNMNetwork();
78  virtual ~GNMNetwork();
79 
80  // GDALDataset Interface
81  const OGRSpatialReference *GetSpatialRef() const override;
82  virtual char **GetFileList(void) override;
83 
84  // GNMNetwork Interface
85 
106  virtual CPLErr Create(const char *pszFilename, char **papszOptions) = 0;
107 
113  virtual CPLErr Open(GDALOpenInfo *poOpenInfo) = 0;
114 
119  virtual CPLErr Delete() = 0;
120 
127  virtual const char *GetName() const;
128 
133  virtual int GetVersion() const
134  {
135  return 0;
136  }
137 
142  virtual CPLErr DisconnectAll() = 0;
143 
151  virtual OGRFeature *GetFeatureByGlobalFID(GNMGFID nGFID) = 0;
152 
163  virtual OGRLayer *GetPath(GNMGFID nStartFID, GNMGFID nEndFID,
164  GNMGraphAlgorithmType eAlgorithm,
165  char **papszOptions) = 0;
166 
167  protected:
174  virtual int CheckNetworkExist(const char *pszFilename,
175  char **papszOptions) = 0;
176 
177  protected:
179  CPLString m_soName;
180  OGRSpatialReference m_oSRS{};
182 };
183 
184 class GNMRule;
186 
193 class CPL_DLL GNMGenericNetwork : public GNMNetwork
194 {
195  public:
197  virtual ~GNMGenericNetwork();
198 
199  // GDALDataset Interface
200 
201  virtual int GetLayerCount() override;
202  virtual OGRLayer *GetLayer(int) override;
203  virtual OGRErr DeleteLayer(int) override;
204 
205  virtual int TestCapability(const char *) override;
206 
207  virtual OGRLayer *CopyLayer(OGRLayer *poSrcLayer, const char *pszNewName,
208  char **papszOptions = nullptr) override;
209 
210  virtual int CloseDependentDatasets() override;
211  virtual CPLErr FlushCache(bool bAtClosing) override;
212 
213  // GNMNetwork Interface
214 
215  virtual CPLErr Create(const char *pszFilename,
216  char **papszOptions) override = 0;
217  virtual CPLErr Delete() override;
218 
219  virtual int GetVersion() const override;
224  virtual GNMGFID GetNewGlobalFID();
225 
232  virtual CPLString GetAlgorithmName(GNMDirection eAlgorithm,
233  bool bShortName);
234 
242  virtual CPLErr AddFeatureGlobalFID(GNMGFID nFID, const char *pszLayerName);
243 
258  virtual CPLErr ConnectFeatures(GNMGFID nSrcFID, GNMGFID nTgtFID,
259  GNMGFID nConFID = -1, double dfCost = 1,
260  double dfInvCost = 1,
261  GNMDirection eDir = GNM_EDGE_DIR_BOTH);
262 
270  virtual CPLErr DisconnectFeatures(GNMGFID nSrcFID, GNMGFID nTgtFID,
271  GNMGFID nConFID);
272 
279  virtual CPLErr DisconnectFeaturesWithId(GNMGFID nFID);
280 
293  virtual CPLErr ReconnectFeatures(GNMGFID nSrcFID, GNMGFID nTgtFID,
294  GNMGFID nConFID, double dfCost = 1,
295  double dfInvCost = 1,
296  GNMDirection eDir = GNM_EDGE_DIR_BOTH);
297 
298  virtual CPLErr DisconnectAll() override;
299 
300  virtual OGRFeature *GetFeatureByGlobalFID(GNMGFID nFID) override;
301 
336  virtual CPLErr CreateRule(const char *pszRuleStr);
337 
342  virtual CPLErr DeleteAllRules();
343 
349  virtual CPLErr DeleteRule(const char *pszRuleStr);
350 
356  virtual char **GetRules() const;
357 
382  virtual CPLErr ConnectPointsByLines(char **papszLayerList,
383  double dfTolerance, double dfCost,
384  double dfInvCost, GNMDirection eDir);
385 
392  virtual CPLErr ChangeBlockState(GNMGFID nFID, bool bIsBlock);
393 
402  virtual CPLErr ChangeAllBlockState(bool bIsBlock = false);
403 
404  virtual OGRLayer *GetPath(GNMGFID nStartFID, GNMGFID nEndFID,
405  GNMGraphAlgorithmType eAlgorithm,
406  char **papszOptions) override;
407 
408  protected:
415  virtual CPLErr CheckLayerDriver(const char *pszDefaultDriverName,
416  char **papszOptions);
422  virtual bool CheckStorageDriverSupport(const char *pszDriverName) = 0;
423 
424  protected:
426  virtual CPLErr CreateMetadataLayer(GDALDataset *const pDS, int nVersion,
427  size_t nFieldSize = 1024);
428  virtual CPLErr StoreNetworkSrs();
429  virtual CPLErr LoadNetworkSrs();
430  virtual CPLErr CreateGraphLayer(GDALDataset *const pDS);
431  virtual CPLErr CreateFeaturesLayer(GDALDataset *const pDS);
432  virtual CPLErr LoadMetadataLayer(GDALDataset *const pDS);
433  virtual CPLErr LoadGraphLayer(GDALDataset *const pDS);
434  virtual CPLErr LoadGraph();
435  virtual CPLErr LoadFeaturesLayer(GDALDataset *const pDS);
436  virtual CPLErr DeleteMetadataLayer() = 0;
437  virtual CPLErr DeleteGraphLayer() = 0;
438  virtual CPLErr DeleteFeaturesLayer() = 0;
439  virtual CPLErr LoadNetworkLayer(const char *pszLayername) = 0;
440  virtual CPLErr DeleteNetworkLayers() = 0;
441  virtual void ConnectPointsByMultiline(
442  GIntBig nFID, const OGRMultiLineString *poMultiLineString,
443  const std::vector<OGRLayer *> &paPointLayers, double dfTolerance,
444  double dfCost, double dfInvCost, GNMDirection eDir);
445  virtual void
446  ConnectPointsByLine(GIntBig nFID, const OGRLineString *poLineString,
447  const std::vector<OGRLayer *> &paPointLayers,
448  double dfTolerance, double dfCost, double dfInvCost,
449  GNMDirection eDir);
450  virtual GNMGFID
451  FindNearestPoint(const OGRPoint *poPoint,
452  const std::vector<OGRLayer *> &paPointLayers,
453  double dfTolerance);
454  virtual OGRFeature *FindConnection(GNMGFID nSrcFID, GNMGFID nTgtFID,
455  GNMGFID nConFID);
456  virtual bool SaveRules();
457  virtual GNMGFID GetNewVirtualFID();
458  virtual void FillResultLayer(OGRGNMWrappedResultLayer *poResLayer,
459  const GNMPATH &path, int nNoOfPath,
460  bool bReturnVertices, bool bReturnEdges);
462  protected:
464  int m_nVersion;
465  GNMGFID m_nGID;
466  GNMGFID m_nVirtualConnectionGID;
467  OGRLayer *m_poMetadataLayer;
468  OGRLayer *m_poGraphLayer;
469  OGRLayer *m_poFeaturesLayer;
470 
471  GDALDriver *m_poLayerDriver;
472 
473  std::map<GNMGFID, CPLString> m_moFeatureFIDMap;
474  std::vector<OGRLayer *> m_apoLayers;
475  std::vector<GNMRule> m_asRules;
476  bool m_bIsRulesChanged;
477 
478  GNMGraph m_oGraph;
479  bool m_bIsGraphLoaded;
481 };
482 
490 class GNMGenericLayer : public OGRLayer
491 {
492  public:
493  GNMGenericLayer(OGRLayer *poLayer, GNMGenericNetwork *poNetwork);
494  virtual ~GNMGenericLayer();
495 
496  // OGRLayer Interface
497 
498  virtual OGRGeometry *GetSpatialFilter() override;
499  virtual void SetSpatialFilter(OGRGeometry *) override;
500  virtual void SetSpatialFilterRect(double dfMinX, double dfMinY,
501  double dfMaxX, double dfMaxY) override;
502 
503  virtual void SetSpatialFilter(int iGeomField, OGRGeometry *) override;
504  virtual void SetSpatialFilterRect(int iGeomField, double dfMinX,
505  double dfMinY, double dfMaxX,
506  double dfMaxY) override;
507 
508  virtual OGRErr SetAttributeFilter(const char *) override;
509 
510  virtual void ResetReading() override;
511  virtual OGRFeature *GetNextFeature() override;
512  virtual OGRErr SetNextByIndex(GIntBig nIndex) override;
513 
514  virtual OGRErr DeleteFeature(GIntBig nFID) override;
515 
516  virtual const char *GetName() override;
517  virtual OGRwkbGeometryType GetGeomType() override;
518  virtual OGRFeatureDefn *GetLayerDefn() override;
519  virtual int FindFieldIndex(const char *pszFieldName,
520  int bExactMatch) override;
521 
522  virtual OGRSpatialReference *GetSpatialRef() override;
523 
524  virtual GIntBig GetFeatureCount(int bForce = TRUE) override;
525  virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE) override;
526  virtual OGRErr GetExtent(int iGeomField, OGREnvelope *psExtent,
527  int bForce = TRUE) override;
528 
529  virtual int TestCapability(const char *) override;
530 
531  virtual OGRErr CreateField(OGRFieldDefn *poField,
532  int bApproxOK = TRUE) override;
533  virtual OGRErr DeleteField(int iField) override;
534  virtual OGRErr ReorderFields(int *panMap) override;
535  virtual OGRErr AlterFieldDefn(int iField, OGRFieldDefn *poNewFieldDefn,
536  int nFlagsIn) override;
537 
538  virtual OGRErr CreateGeomField(OGRGeomFieldDefn *poField,
539  int bApproxOK = TRUE) override;
540 
541  virtual OGRErr SyncToDisk() override;
542 
543  virtual OGRStyleTable *GetStyleTable() override;
544  virtual void SetStyleTableDirectly(OGRStyleTable *poStyleTable) override;
545 
546  virtual void SetStyleTable(OGRStyleTable *poStyleTable) override;
547 
548  virtual OGRErr StartTransaction() override;
549  virtual OGRErr CommitTransaction() override;
550  virtual OGRErr RollbackTransaction() override;
551 
552  virtual const char *GetFIDColumn() override;
553  virtual const char *GetGeometryColumn() override;
554 
555  virtual OGRErr SetIgnoredFields(const char **papszFields) override;
556 
558  OGRErr Intersection(OGRLayer *pLayerMethod, OGRLayer *pLayerResult,
559  char **papszOptions = nullptr,
560  GDALProgressFunc pfnProgress = nullptr,
561  void *pProgressArg = nullptr);
563  OGRErr Union(OGRLayer *pLayerMethod, OGRLayer *pLayerResult,
564  char **papszOptions = nullptr,
565  GDALProgressFunc pfnProgress = nullptr,
566  void *pProgressArg = nullptr);
568  OGRErr SymDifference(OGRLayer *pLayerMethod, OGRLayer *pLayerResult,
569  char **papszOptions, GDALProgressFunc pfnProgress,
570  void *pProgressArg);
572  OGRErr Identity(OGRLayer *pLayerMethod, OGRLayer *pLayerResult,
573  char **papszOptions = nullptr,
574  GDALProgressFunc pfnProgress = nullptr,
575  void *pProgressArg = nullptr);
577  OGRErr Update(OGRLayer *pLayerMethod, OGRLayer *pLayerResult,
578  char **papszOptions = nullptr,
579  GDALProgressFunc pfnProgress = nullptr,
580  void *pProgressArg = nullptr);
582  OGRErr Clip(OGRLayer *pLayerMethod, OGRLayer *pLayerResult,
583  char **papszOptions = nullptr,
584  GDALProgressFunc pfnProgress = nullptr,
585  void *pProgressArg = nullptr);
587  OGRErr Erase(OGRLayer *pLayerMethod, OGRLayer *pLayerResult,
588  char **papszOptions = nullptr,
589  GDALProgressFunc pfnProgress = nullptr,
590  void *pProgressArg = nullptr);
591 
594 
597 
599  /* consider these private */
600  OGRErr InitializeIndexSupport(const char *);
601  OGRLayerAttrIndex *GetIndex();
603 
604  protected:
606  virtual OGRErr ISetFeature(OGRFeature *poFeature) override;
607  virtual OGRErr ICreateFeature(OGRFeature *poFeature) override;
608 
609  protected:
610  CPLString m_soLayerName;
611  OGRLayer *m_poLayer;
612  GNMGenericNetwork *m_poNetwork;
613  std::map<GNMGFID, GIntBig> m_mnFIDMap;
615 };
616 
617 typedef enum
618 { GRTConnection = 0
620 } GNMRuleType;
621 
631 class CPL_DLL GNMRule
632 {
633  // to hopefully please Coverity Scan which complains about missing
634  // move assignment operator for performance reasons
635  GNMRule &operator==(GNMRule &&) = delete;
636 
637  public:
639  GNMRule();
641  explicit GNMRule(const std::string &oRule);
643  explicit GNMRule(const char *pszRule);
645  GNMRule(const GNMRule &oRule);
646 
648  GNMRule &operator=(const GNMRule &) = default;
649 
650  virtual ~GNMRule();
655  virtual bool IsValid() const;
660  virtual bool IsAcceptAny() const;
666  virtual GNMRuleType GetType() const;
675  virtual bool CanConnect(const CPLString &soSrcLayerName,
676  const CPLString &soTgtLayerName,
677  const CPLString &soConnLayerName = "");
679  virtual CPLString GetSourceLayerName() const;
681  virtual CPLString GetTargetLayerName() const;
683  virtual CPLString GetConnectorLayerName() const;
685  const char *c_str() const;
687  operator const char *(void) const;
688 
689  protected:
691  virtual bool ParseRuleString();
692 
693  protected:
694  CPLString m_soSrcLayerName;
695  CPLString m_soTgtLayerName;
696  CPLString m_soConnLayerName;
697  bool m_bAllow = false;
698  bool m_bValid = false;
699  bool m_bAny = false;
700  CPLString m_soRuleString;
702 };
703 
711 {
712  public:
715 
716  // OGRLayer
717  virtual void ResetReading() override;
718  virtual OGRFeature *GetNextFeature() override;
719  virtual OGRErr SetNextByIndex(GIntBig nIndex) override;
720  virtual OGRFeature *GetFeature(GIntBig nFID) override;
721  virtual OGRFeatureDefn *GetLayerDefn() override;
722  virtual GIntBig GetFeatureCount(int bForce = TRUE) override;
723  virtual int TestCapability(const char *pszCap) override;
724  virtual OGRErr CreateField(OGRFieldDefn *poField,
725  int bApproxOK = TRUE) override;
726  virtual OGRErr CreateGeomField(OGRGeomFieldDefn *poField,
727  int bApproxOK = TRUE) override;
728  virtual const char *GetFIDColumn() override;
729  virtual const char *GetGeometryColumn() override;
730  virtual OGRSpatialReference *GetSpatialRef() override;
731 
732  // OGRGNMWrappedResultLayer
733  virtual OGRErr InsertFeature(OGRFeature *poFeature,
734  const CPLString &soLayerName, int nPathNo,
735  bool bIsEdge);
736 
737  protected:
738  virtual OGRErr ISetFeature(OGRFeature *poFeature) override;
739  virtual OGRErr ICreateFeature(OGRFeature *poFeature) override;
740 
741  protected:
743  GDALDataset *poDS;
744  OGRLayer *poLayer;
746 };
747 
748 #endif // __cplusplus
749 
750 #endif // GNM
OGRGNMWrappedResultLayer
The OGRGNMWrappedResultLayer class for search paths queries results.
Definition: gnm.h:710
GNMNetwork::Create
virtual CPLErr Create(const char *pszFilename, char **papszOptions)=0
Create network system layers.
OGRLineString
Concrete representation of a multi-vertex line.
Definition: ogr_geometry.h:1682
GNMGenericLayer::SetIgnoredFields
virtual OGRErr SetIgnoredFields(const char **papszFields) override
Set which fields can be omitted when retrieving features from the layer.
Definition: gnmlayer.cpp:60
GNMGenericLayer::GetStyleTable
virtual OGRStyleTable * GetStyleTable() override
Returns layer style table.
Definition: gnmlayer.cpp:337
GDALOpenInfo
Class for dataset open functions.
Definition: gdal_priv.h:277
GNMGenericLayer::ResetReading
virtual void ResetReading() override
Reset feature reading to start on the first feature.
Definition: gnmlayer.cpp:211
OGRLayer::ICreateFeature
virtual OGRErr ICreateFeature(OGRFeature *poFeature)
Create and write a new feature within a layer.
Definition: ogrlayer.cpp:648
GNMGenericLayer::GetGeomType
virtual OGRwkbGeometryType GetGeomType() override
Return the layer geometry type.
Definition: gnmlayer.cpp:261
GNMGenericLayer::GetFIDColumn
virtual const char * GetFIDColumn() override
This method returns the name of the underlying database column being used as the FID column,...
Definition: gnmlayer.cpp:50
OGRGNMWrappedResultLayer::ResetReading
virtual void ResetReading() override
Reset feature reading to start on the first feature.
Definition: gnmresultlayer.cpp:61
GNMGenericLayer::GetNextFeature
virtual OGRFeature * GetNextFeature() override
Fetch the next available feature from this layer.
Definition: gnmlayer.cpp:216
OGRStyleTable
This class represents a style table.
Definition: ogr_featurestyle.h:84
GNMGenericLayer::CreateField
virtual OGRErr CreateField(OGRFieldDefn *poField, int bApproxOK=TRUE) override
Create a new field on a layer.
Definition: gnmlayer.cpp:297
OGRGNMWrappedResultLayer::GetSpatialRef
virtual OGRSpatialReference * GetSpatialRef() override
Fetch the spatial reference system for this layer.
Definition: gnmresultlayer.cpp:118
GNMGenericLayer::SetStyleTable
virtual void SetStyleTable(OGRStyleTable *poStyleTable) override
Set layer style table.
Definition: gnmlayer.cpp:347
GNMGraph
The simple graph class, which holds the appropriate for calculations graph in memory (based on STL co...
Definition: gnmgraph.h:89
GNMNetwork::DisconnectAll
virtual CPLErr DisconnectAll()=0
DisconnectAll method clears the network graph.
GDALDriver
Format specific driver.
Definition: gdal_priv.h:1700
OGRGNMWrappedResultLayer::GetFeatureCount
virtual GIntBig GetFeatureCount(int bForce=TRUE) override
Fetch the feature count in this layer.
Definition: gnmresultlayer.cpp:86
OGRSpatialReference
This class represents an OpenGIS Spatial Reference System, and contains methods for converting betwee...
Definition: ogr_spatialref.h:166
GNMGenericLayer
GNM layer which represents a geography network layer of generic format.
Definition: gnm.h:490
GNMGenericLayer::SetSpatialFilterRect
virtual void SetSpatialFilterRect(double dfMinX, double dfMinY, double dfMaxX, double dfMaxY) override
Set a new rectangular spatial filter.
Definition: gnmlayer.cpp:188
GDALDataset::GetLayer
virtual OGRLayer * GetLayer(int iLayer)
Fetch a layer by index.
Definition: gdaldataset.cpp:7059
GNMGenericLayer::DeleteField
virtual OGRErr DeleteField(int iField) override
Delete an existing field on a layer.
Definition: gnmlayer.cpp:302
GNMGenericLayer::TestCapability
virtual int TestCapability(const char *) override
Test if this layer supported the named capability.
Definition: gnmlayer.cpp:292
GNMGenericLayer::GetExtent
virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce=TRUE) override
Fetch the extent of this layer.
Definition: gnmlayer.cpp:281
OGRGeometry
Abstract base class for all geometry classes.
Definition: ogr_geometry.h:334
GNMGenericLayer::SymDifference
OGRErr SymDifference(OGRLayer *pLayerMethod, OGRLayer *pLayerResult, char **papszOptions, GDALProgressFunc pfnProgress, void *pProgressArg)
SymDifference.
Definition: gnmlayer.cpp:83
OGRLayer
This class represents a layer of simple features, with access methods.
Definition: ogrsf_frmts.h:73
CPLString
Convenient string class based on std::string.
Definition: cpl_string.h:311
GNMGenericLayer::GetFeatureCount
virtual GIntBig GetFeatureCount(int bForce=TRUE) override
Fetch the feature count in this layer.
Definition: gnmlayer.cpp:276
GNMGenericLayer::SetSpatialFilter
virtual void SetSpatialFilter(OGRGeometry *) override
Set a new spatial filter.
Definition: gnmlayer.cpp:183
OGRPoint
Point class.
Definition: ogr_geometry.h:1083
OGRLayer::ISetFeature
virtual OGRErr ISetFeature(OGRFeature *poFeature)
Rewrite/replace an existing feature.
Definition: ogrlayer.cpp:608
GDALDataset::CopyLayer
virtual OGRLayer * CopyLayer(OGRLayer *poSrcLayer, const char *pszNewName, char **papszOptions=nullptr)
Duplicate an existing layer.
Definition: gdaldataset.cpp:5242
GDALDataset
A set of associated raster bands, usually from one file.
Definition: gdal_priv.h:348
GNMGenericLayer::CommitTransaction
virtual OGRErr CommitTransaction() override
For datasources which support transactions, CommitTransaction commits a transaction.
Definition: gnmlayer.cpp:357
GNMNetwork
General GNM class which represents a geography network of common format.
Definition: gnm.h:74
GNMGenericLayer::RollbackTransaction
virtual OGRErr RollbackTransaction() override
For datasources which support transactions, RollbackTransaction will roll back a datasource to its st...
Definition: gnmlayer.cpp:362
GNMGenericLayer::SetStyleTableDirectly
virtual void SetStyleTableDirectly(OGRStyleTable *poStyleTable) override
Set layer style table.
Definition: gnmlayer.cpp:342
GNMNetwork::GetPath
virtual OGRLayer * GetPath(GNMGFID nStartFID, GNMGFID nEndFID, GNMGraphAlgorithmType eAlgorithm, char **papszOptions)=0
Create path between start and end GFIDs.
OGRMultiLineString
A collection of OGRLineString.
Definition: ogr_geometry.h:3812
GNMGenericLayer::SetAttributeFilter
virtual OGRErr SetAttributeFilter(const char *) override
Set a new attribute query.
Definition: gnmlayer.cpp:206
GNMGenericLayer::Erase
OGRErr Erase(OGRLayer *pLayerMethod, OGRLayer *pLayerResult, char **papszOptions=nullptr, GDALProgressFunc pfnProgress=nullptr, void *pProgressArg=nullptr)
Erase.
Definition: gnmlayer.cpp:118
GNMNetwork::GetVersion
virtual int GetVersion() const
GetVersion return the network version if applicable.
Definition: gnm.h:133
GDALDataset::Open
static GDALDataset * Open(const char *pszFilename, unsigned int nOpenFlags=0, const char *const *papszAllowedDrivers=nullptr, const char *const *papszOpenOptions=nullptr, const char *const *papszSiblingFiles=nullptr)
Definition: gdal_priv.h:703
GNMGenericLayer::CreateGeomField
virtual OGRErr CreateGeomField(OGRGeomFieldDefn *poField, int bApproxOK=TRUE) override
Create a new geometry field on a layer.
Definition: gnmlayer.cpp:326
GNMGenericLayer::FindFieldIndex
virtual int FindFieldIndex(const char *pszFieldName, int bExactMatch) override
Find the index of field in the layer.
Definition: gnmlayer.cpp:266
OGRGNMWrappedResultLayer::GetGeometryColumn
virtual const char * GetGeometryColumn() override
This method returns the name of the underlying database column being used as the geometry column,...
Definition: gnmresultlayer.cpp:113
ogrsf_frmts.h
GNMGenericLayer::GetFeaturesRead
GIntBig GetFeaturesRead()
GetFeaturesRead.
Definition: gnmlayer.cpp:126
GNMGenericLayer::SyncToDisk
virtual OGRErr SyncToDisk() override
Flush pending changes to disk.
Definition: gnmlayer.cpp:332
GNMGenericLayer::GNMGenericLayer
GNMGenericLayer(OGRLayer *poLayer, GNMGenericNetwork *poNetwork)
GNMGenericLayer.
Definition: gnmlayer.cpp:36
OGRGNMWrappedResultLayer::GetLayerDefn
virtual OGRFeatureDefn * GetLayerDefn() override
Fetch the schema information for this layer.
Definition: gnmresultlayer.cpp:81
OGRFieldDefn
Definition of an attribute of an OGRFeatureDefn.
Definition: ogr_feature.h:103
OGRGNMWrappedResultLayer::GetFIDColumn
virtual const char * GetFIDColumn() override
This method returns the name of the underlying database column being used as the FID column,...
Definition: gnmresultlayer.cpp:108
OGRGNMWrappedResultLayer::TestCapability
virtual int TestCapability(const char *pszCap) override
Test if this layer supported the named capability.
Definition: gnmresultlayer.cpp:91
GNMGenericLayer::DeleteFeature
virtual OGRErr DeleteFeature(GIntBig nFID) override
Delete feature from layer.
Definition: gnmlayer.cpp:232
GDALDataset::CloseDependentDatasets
virtual int CloseDependentDatasets()
Drop references to any other datasets referenced by this dataset.
Definition: gdaldataset.cpp:4272
OGRGeomFieldDefn
Definition of a geometry field of an OGRFeatureDefn.
Definition: ogr_feature.h:286
OGRGNMWrappedResultLayer::OGRGNMWrappedResultLayer
OGRGNMWrappedResultLayer(GDALDataset *poDS, OGRLayer *poLayer)
Constructor.
Definition: gnmresultlayer.cpp:34
OGRGNMWrappedResultLayer::GetNextFeature
virtual OGRFeature * GetNextFeature() override
Fetch the next available feature from this layer.
Definition: gnmresultlayer.cpp:66
GNMGenericLayer::GetLayerDefn
virtual OGRFeatureDefn * GetLayerDefn() override
Fetch the schema information for this layer.
Definition: gnmlayer.cpp:367
GNMGenericLayer::~GNMGenericLayer
virtual ~GNMGenericLayer()
~GNMGenericLayer
Definition: gnmlayer.cpp:46
OGRGNMWrappedResultLayer::CreateField
virtual OGRErr CreateField(OGRFieldDefn *poField, int bApproxOK=TRUE) override
Create a new field on a layer.
Definition: gnmresultlayer.cpp:96
OGRErr
int OGRErr
Type for a OGR error.
Definition: ogr_core.h:378
GDALDataset::GetSpatialRef
virtual const OGRSpatialReference * GetSpatialRef() const
Fetch the spatial reference for this dataset.
Definition: gdaldataset.cpp:1097
GIntBig
long long GIntBig
Large signed integer type (generally 64-bit integer type).
Definition: cpl_port.h:226
GDALDataset::GetFileList
virtual char ** GetFileList(void)
Fetch files forming dataset.
Definition: gdaldataset.cpp:3117
OGRwkbGeometryType
OGRwkbGeometryType
List of well known binary geometry types.
Definition: ogr_core.h:406
GNMGenericLayer::GetGeometryColumn
virtual const char * GetGeometryColumn() override
This method returns the name of the underlying database column being used as the geometry column,...
Definition: gnmlayer.cpp:55
GNMNetwork::GetFeatureByGlobalFID
virtual OGRFeature * GetFeatureByGlobalFID(GNMGFID nGFID)=0
GetFeatureByGlobalFID search all network layers for given feature identificator.
GNMGenericLayer::Intersection
OGRErr Intersection(OGRLayer *pLayerMethod, OGRLayer *pLayerResult, char **papszOptions=nullptr, GDALProgressFunc pfnProgress=nullptr, void *pProgressArg=nullptr)
Intersection.
Definition: gnmlayer.cpp:65
GNMGenericLayer::SetNextByIndex
virtual OGRErr SetNextByIndex(GIntBig nIndex) override
Move read cursor to the nIndex'th feature in the current resultset.
Definition: gnmlayer.cpp:227
OGRFeature
A simple feature, including geometry and attributes.
Definition: ogr_feature.h:680
GNMGenericLayer::Clip
OGRErr Clip(OGRLayer *pLayerMethod, OGRLayer *pLayerResult, char **papszOptions=nullptr, GDALProgressFunc pfnProgress=nullptr, void *pProgressArg=nullptr)
Clip.
Definition: gnmlayer.cpp:110
OGRGNMWrappedResultLayer::ICreateFeature
virtual OGRErr ICreateFeature(OGRFeature *poFeature) override
Create and write a new feature within a layer.
Definition: gnmresultlayer.cpp:215
GDALDataset::GetLayerCount
virtual int GetLayerCount()
Get the number of layers in this dataset.
Definition: gdaldataset.cpp:7029
GNMGenericLayer::Union
OGRErr Union(OGRLayer *pLayerMethod, OGRLayer *pLayerResult, char **papszOptions=nullptr, GDALProgressFunc pfnProgress=nullptr, void *pProgressArg=nullptr)
Union.
Definition: gnmlayer.cpp:75
CPLErr
CPLErr
Error category.
Definition: cpl_error.h:52
GNMGenericLayer::Identity
OGRErr Identity(OGRLayer *pLayerMethod, OGRLayer *pLayerResult, char **papszOptions=nullptr, GDALProgressFunc pfnProgress=nullptr, void *pProgressArg=nullptr)
Identity.
Definition: gnmlayer.cpp:93
OGRGNMWrappedResultLayer::GetFeature
virtual OGRFeature * GetFeature(GIntBig nFID) override
Fetch a feature by its identifier.
Definition: gnmresultlayer.cpp:76
OGRGNMWrappedResultLayer::InsertFeature
virtual OGRErr InsertFeature(OGRFeature *poFeature, const CPLString &soLayerName, int nPathNo, bool bIsEdge)
Undocumented.
Definition: gnmresultlayer.cpp:124
GNMGenericLayer::AttributeFilterEvaluationNeedsGeometry
int AttributeFilterEvaluationNeedsGeometry()
AttributeFilterEvaluationNeedsGeometry.
Definition: gnmlayer.cpp:131
OGRGNMWrappedResultLayer::ISetFeature
virtual OGRErr ISetFeature(OGRFeature *poFeature) override
Rewrite/replace an existing feature.
Definition: gnmresultlayer.cpp:210
GNMGenericLayer::Update
OGRErr Update(OGRLayer *pLayerMethod, OGRLayer *pLayerResult, char **papszOptions=nullptr, GDALProgressFunc pfnProgress=nullptr, void *pProgressArg=nullptr)
Update.
Definition: gnmlayer.cpp:102
OGREnvelope
Simple container for a bounding region (rectangle)
Definition: ogr_core.h:57
GNMGenericLayer::StartTransaction
virtual OGRErr StartTransaction() override
For datasources which support transactions, StartTransaction creates a transaction.
Definition: gnmlayer.cpp:352
OGRFeatureDefn
Definition of a feature class or feature layer.
Definition: ogr_feature.h:385
GDALDataset::TestCapability
virtual int TestCapability(const char *)
Test if capability is available.
Definition: gdaldataset.cpp:7418
GNMGenericLayer::ReorderFields
virtual OGRErr ReorderFields(int *panMap) override
Reorder all the fields of a layer.
Definition: gnmlayer.cpp:311
GNMGenericLayer::GetName
virtual const char * GetName() override
Return the layer name.
Definition: gnmlayer.cpp:256
OGRGNMWrappedResultLayer::CreateGeomField
virtual OGRErr CreateGeomField(OGRGeomFieldDefn *poField, int bApproxOK=TRUE) override
Create a new geometry field on a layer.
Definition: gnmresultlayer.cpp:102
GNMGenericNetwork
GNM class which represents a geography network of generic format.
Definition: gnm.h:193
GNMGenericLayer::GetSpatialRef
virtual OGRSpatialReference * GetSpatialRef() override
Fetch the spatial reference system for this layer.
Definition: gnmlayer.cpp:271
GNMRule
The simple class for rules.
Definition: gnm.h:631
OGRGNMWrappedResultLayer::SetNextByIndex
virtual OGRErr SetNextByIndex(GIntBig nIndex) override
Move read cursor to the nIndex'th feature in the current resultset.
Definition: gnmresultlayer.cpp:71
GNMGenericLayer::GetSpatialFilter
virtual OGRGeometry * GetSpatialFilter() override
This method returns the current spatial filter for this layer.
Definition: gnmlayer.cpp:178
GDALDataset::FlushCache
virtual CPLErr FlushCache(bool bAtClosing=false)
Flush all write cached data to disk.
Definition: gdaldataset.cpp:556
GDALDataset::DeleteLayer
virtual OGRErr DeleteLayer(int iLayer)
Delete the indicated layer from the datasource.
Definition: gdaldataset.cpp:5580
GNMGenericLayer::AlterFieldDefn
virtual OGRErr AlterFieldDefn(int iField, OGRFieldDefn *poNewFieldDefn, int nFlagsIn) override
Alter the definition of an existing field on a layer.
Definition: gnmlayer.cpp:316
GNMNetwork::Delete
virtual CPLErr Delete()=0
Delete network.