35 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS) 41 typedef int GNMDirection;
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" 60 { GATDijkstraShortestPath = 1, GATKShortestPath, GATConnectedComponents
64 } GNMGraphAlgorithmType;
66 #if defined(__cplusplus) && !defined(CPL_SUPRESS_CPLUSPLUS) 106 virtual CPLErr Create(
const char* pszFilename,
char** papszOptions ) = 0;
119 virtual CPLErr Delete() = 0;
127 virtual const char* GetName()
const;
139 virtual CPLErr DisconnectAll () = 0;
148 virtual OGRFeature *GetFeatureByGlobalFID (GNMGFID nGFID) = 0;
160 virtual OGRLayer *GetPath (GNMGFID nStartFID, GNMGFID nEndFID,
161 GNMGraphAlgorithmType eAlgorithm,
char** papszOptions) = 0;
169 virtual int CheckNetworkExist(
const char* pszFilename,
170 char** papszOptions ) = 0;
203 const char *pszNewName,
204 char **papszOptions =
nullptr )
override;
211 virtual CPLErr Create(
const char* pszFilename,
char** papszOptions )
override = 0;
219 virtual GNMGFID GetNewGlobalFID();
227 virtual CPLString GetAlgorithmName(GNMDirection eAlgorithm,
bool bShortName);
236 virtual CPLErr AddFeatureGlobalFID(GNMGFID nFID,
const char* pszLayerName);
251 virtual CPLErr ConnectFeatures (GNMGFID nSrcFID,
253 GNMGFID nConFID = -1,
255 double dfInvCost = 1,
256 GNMDirection eDir = GNM_EDGE_DIR_BOTH);
265 virtual CPLErr DisconnectFeatures (GNMGFID nSrcFID,
275 virtual CPLErr DisconnectFeaturesWithId(GNMGFID nFID);
289 virtual CPLErr ReconnectFeatures (GNMGFID nSrcFID,
293 double dfInvCost = 1,
294 GNMDirection eDir = GNM_EDGE_DIR_BOTH);
334 virtual CPLErr CreateRule (
const char *pszRuleStr);
340 virtual CPLErr DeleteAllRules();
347 virtual CPLErr DeleteRule(
const char *pszRuleStr);
353 virtual char** GetRules()
const;
379 virtual CPLErr ConnectPointsByLines (
char **papszLayerList,
391 virtual CPLErr ChangeBlockState (GNMGFID nFID,
bool bIsBlock);
401 virtual CPLErr ChangeAllBlockState (
bool bIsBlock =
false);
404 GNMGraphAlgorithmType eAlgorithm,
char** papszOptions)
override;
412 virtual CPLErr CheckLayerDriver(
const char* pszDefaultDriverName,
413 char** papszOptions);
419 virtual bool CheckStorageDriverSupport(
const char* pszDriverName) = 0;
423 size_t nFieldSize = 1024 );
424 virtual CPLErr StoreNetworkSrs();
425 virtual CPLErr LoadNetworkSrs();
430 virtual CPLErr LoadGraph();
432 virtual CPLErr DeleteMetadataLayer() = 0;
433 virtual CPLErr DeleteGraphLayer() = 0;
434 virtual CPLErr DeleteFeaturesLayer() = 0;
435 virtual CPLErr LoadNetworkLayer(
const char* pszLayername) = 0;
436 virtual CPLErr DeleteNetworkLayers() = 0;
437 virtual void ConnectPointsByMultiline(
GIntBig nFID,
439 const std::vector<OGRLayer *> &paPointLayers,
440 double dfTolerance,
double dfCost,
441 double dfInvCost, GNMDirection eDir);
442 virtual void ConnectPointsByLine(
GIntBig nFID,
444 const std::vector<OGRLayer *> &paPointLayers,
445 double dfTolerance,
double dfCost,
446 double dfInvCost, GNMDirection eDir);
447 virtual GNMGFID FindNearestPoint(
const OGRPoint* poPoint,
448 const std::vector<OGRLayer*>& paPointLayers,
450 virtual OGRFeature* FindConnection(GNMGFID nSrcFID, GNMGFID nTgtFID,
452 virtual void SaveRules();
453 virtual GNMGFID GetNewVirtualFID();
455 const GNMPATH &path,
int nNoOfPath,
456 bool bReturnVertices,
bool bReturnEdges);
462 GNMGFID m_nVirtualConnectionGID;
469 std::map<GNMGFID, CPLString> m_moFeatureFIDMap;
470 std::vector<OGRLayer*> m_apoLayers;
471 std::vector<GNMRule> m_asRules;
472 bool m_bIsRulesChanged;
475 bool m_bIsGraphLoaded;
497 double dfMaxX,
double dfMaxY )
override;
501 double dfMinX,
double dfMinY,
502 double dfMaxX,
double dfMaxY )
override;
512 virtual const char *
GetName()
override;
515 virtual int FindFieldIndex(
const char *pszFieldName,
int bExactMatch )
override;
520 virtual OGRErr GetExtent(OGREnvelope *psExtent,
int bForce = TRUE)
override;
522 int bForce = TRUE)
override;
527 int bApproxOK = TRUE )
override;
531 int nFlagsIn )
override;
534 int bApproxOK = TRUE )
override;
555 char** papszOptions =
nullptr,
556 GDALProgressFunc pfnProgress =
nullptr,
557 void * pProgressArg =
nullptr );
561 char** papszOptions =
nullptr,
562 GDALProgressFunc pfnProgress =
nullptr,
563 void * pProgressArg =
nullptr );
568 GDALProgressFunc pfnProgress,
569 void * pProgressArg );
573 char** papszOptions =
nullptr,
574 GDALProgressFunc pfnProgress =
nullptr,
575 void * pProgressArg =
nullptr );
579 char** papszOptions =
nullptr,
580 GDALProgressFunc pfnProgress =
nullptr,
581 void * pProgressArg =
nullptr );
585 char** papszOptions =
nullptr,
586 GDALProgressFunc pfnProgress =
nullptr,
587 void * pProgressArg =
nullptr );
591 char** papszOptions =
nullptr,
592 GDALProgressFunc pfnProgress =
nullptr,
593 void * pProgressArg =
nullptr );
603 OGRErr InitializeIndexSupport(
const char * );
604 OGRLayerAttrIndex *GetIndex();
616 std::map<GNMGFID, GIntBig> m_mnFIDMap;
641 explicit GNMRule(
const std::string &oRule );
643 explicit GNMRule(
const char* pszRule);
651 virtual bool IsValid()
const;
656 virtual bool IsAcceptAny()
const;
662 virtual GNMRuleType GetType()
const;
671 virtual bool CanConnect(
const CPLString &soSrcLayerName,
675 virtual CPLString GetSourceLayerName()
const;
677 virtual CPLString GetTargetLayerName()
const;
679 virtual CPLString GetConnectorLayerName()
const;
681 const char* c_str()
const;
683 operator const char* (void)
const;
686 virtual bool ParseRuleString();
720 int bApproxOK = TRUE )
override;
727 const CPLString &soLayerName,
int nPathNo,
739 #endif // __cplusplus virtual OGRErr ISetFeature(OGRFeature *poFeature) CPL_WARN_UNUSED_RESULT
Rewrite an existing feature.
Definition: ogrlayer.cpp:598
virtual OGRErr CreateField(OGRFieldDefn *poField, int bApproxOK=TRUE) override
Create a new field on a layer.
Definition: gnmresultlayer.cpp:98
virtual OGRErr SetNextByIndex(GIntBig nIndex) override
Move read cursor to the nIndex'th feature in the current resultset.
Definition: gnmresultlayer.cpp:73
virtual OGRSpatialReference * GetSpatialRef() override
Fetch the spatial reference system for this layer.
Definition: gnmlayer.cpp:270
virtual OGRErr DeleteLayer(int iLayer)
Delete the indicated layer from the datasource.
Definition: gdaldataset.cpp:4623
GNM layer which represents a geography network layer of generic format.
Definition: gnm.h:486
OGRErr Intersection(OGRLayer *pLayerMethod, OGRLayer *pLayerResult, char **papszOptions=nullptr, GDALProgressFunc pfnProgress=nullptr, void *pProgressArg=nullptr)
Intersection.
Definition: gnmlayer.cpp:67
virtual OGRLayer * GetLayer(int iLayer)
Fetch a layer by index.
Definition: gdaldataset.cpp:6073
virtual OGRErr ICreateFeature(OGRFeature *poFeature) CPL_WARN_UNUSED_RESULT
Create and write a new feature within a layer.
Definition: ogrlayer.cpp:637
virtual OGRErr ISetFeature(OGRFeature *poFeature) override
Rewrite an existing feature.
Definition: gnmresultlayer.cpp:207
virtual void FlushCache(void)
Flush all write cached data to disk.
Definition: gdaldataset.cpp:396
virtual OGRErr StartTransaction() override
For datasources which support transactions, StartTransaction creates a transaction.
Definition: gnmlayer.cpp:348
Concrete representation of a multi-vertex line.
Definition: ogr_geometry.h:1241
OGRErr Identity(OGRLayer *pLayerMethod, OGRLayer *pLayerResult, char **papszOptions=nullptr, GDALProgressFunc pfnProgress=nullptr, void *pProgressArg=nullptr)
Identity.
Definition: gnmlayer.cpp:93
OGRErr Erase(OGRLayer *pLayerMethod, OGRLayer *pLayerResult, char **papszOptions=nullptr, GDALProgressFunc pfnProgress=nullptr, void *pProgressArg=nullptr)
Erase.
Definition: gnmlayer.cpp:117
Definition of a geometry field of an OGRFeatureDefn.
Definition: ogr_feature.h:182
virtual OGRFeatureDefn * GetLayerDefn() override
Fetch the schema information for this layer.
Definition: gnmlayer.cpp:363
virtual OGRErr CreateGeomField(OGRGeomFieldDefn *poField, int bApproxOK=TRUE) override
Create a new geometry field on a layer.
Definition: gnmlayer.cpp:323
virtual const char * GetFIDColumn() override
This method returns the name of the underlying database column being used as the FID column...
Definition: gnmresultlayer.cpp:109
virtual ~GNMGenericLayer()
~GNMGenericLayer
Definition: gnmlayer.cpp:50
virtual GIntBig GetFeatureCount(int bForce=TRUE) override
Fetch the feature count in this layer.
Definition: gnmlayer.cpp:275
virtual const char * GetGeometryColumn() override
This method returns the name of the underlying database column being used as the geometry column...
Definition: gnmresultlayer.cpp:114
virtual const char * GetProjectionRef(void)
Fetch the projection definition string for this dataset.
Definition: gdaldataset.cpp:824
virtual const char * GetGeometryColumn() override
This method returns the name of the underlying database column being used as the geometry column...
Definition: gnmlayer.cpp:57
GNM class which represents a geography network of generic format.
Definition: gnm.h:188
virtual OGRGeometry * GetSpatialFilter() override
This method returns the current spatial filter for this layer.
Definition: gnmlayer.cpp:176
virtual GIntBig GetFeatureCount(int bForce=TRUE) override
Fetch the feature count in this layer.
Definition: gnmresultlayer.cpp:88
OGRErr Clip(OGRLayer *pLayerMethod, OGRLayer *pLayerResult, char **papszOptions=nullptr, GDALProgressFunc pfnProgress=nullptr, void *pProgressArg=nullptr)
Clip.
Definition: gnmlayer.cpp:109
virtual OGRErr RollbackTransaction() override
For datasources which support transactions, RollbackTransaction will roll back a datasource to its ...
Definition: gnmlayer.cpp:358
virtual void ResetReading() override
Reset feature reading to start on the first feature.
Definition: gnmresultlayer.cpp:63
virtual OGRFeature * GetFeatureByGlobalFID(GNMGFID nGFID)=0
GetFeatureByGlobalFID search all network layers for given feature identificator.
virtual OGRFeatureDefn * GetLayerDefn() override
Fetch the schema information for this layer.
Definition: gnmresultlayer.cpp:83
Convenient string class based on std::string.
Definition: cpl_string.h:329
OGRErr Union(OGRLayer *pLayerMethod, OGRLayer *pLayerResult, char **papszOptions=nullptr, GDALProgressFunc pfnProgress=nullptr, void *pProgressArg=nullptr)
Union.
Definition: gnmlayer.cpp:77
Definition of a feature class or feature layer.
Definition: ogr_feature.h:259
virtual OGRStyleTable * GetStyleTable() override
Returns layer style table.
Definition: gnmlayer.cpp:333
OGRErr Update(OGRLayer *pLayerMethod, OGRLayer *pLayerResult, char **papszOptions=nullptr, GDALProgressFunc pfnProgress=nullptr, void *pProgressArg=nullptr)
Update.
Definition: gnmlayer.cpp:101
virtual CPLErr Delete()=0
Delete network.
virtual OGRErr SetIgnoredFields(const char **papszFields) override
Set which fields can be omitted when retrieving features from the layer.
Definition: gnmlayer.cpp:62
virtual const char * GetFIDColumn() override
This method returns the name of the underlying database column being used as the FID column...
Definition: gnmlayer.cpp:52
virtual OGRErr CreateGeomField(OGRGeomFieldDefn *poField, int bApproxOK=TRUE) override
Create a new geometry field on a layer.
Definition: gnmresultlayer.cpp:103
virtual OGRLayer * CopyLayer(OGRLayer *poSrcLayer, const char *pszNewName, char **papszOptions=nullptr)
Duplicate an existing layer.
Definition: gdaldataset.cpp:4259
virtual const char * GetName() override
Return the layer name.
Definition: gnmlayer.cpp:255
Definition of an attribute of an OGRFeatureDefn.
Definition: ogr_feature.h:92
virtual OGRErr SetNextByIndex(GIntBig nIndex) override
Move read cursor to the nIndex'th feature in the current resultset.
Definition: gnmlayer.cpp:225
OGRwkbGeometryType
List of well known binary geometry types.
Definition: ogr_core.h:317
OGRErr SymDifference(OGRLayer *pLayerMethod, OGRLayer *pLayerResult, char **papszOptions, GDALProgressFunc pfnProgress, void *pProgressArg)
SymDifference.
Definition: gnmlayer.cpp:85
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:602
OGRGNMWrappedResultLayer(GDALDataset *poDS, OGRLayer *poLayer)
Constructor.
Definition: gnmresultlayer.cpp:36
virtual int TestCapability(const char *) override
Test if this layer supported the named capability.
Definition: gnmlayer.cpp:290
A collection of OGRLineString.
Definition: ogr_geometry.h:2747
The simple graph class, which holds the appropriate for calculations graph in memory (based on STL co...
Definition: gnmgraph.h:89
Abstract base class for all geometry classes.
Definition: ogr_geometry.h:286
Classes related to registration of format support, and opening datasets.
virtual void ResetReading() override
Reset feature reading to start on the first feature.
Definition: gnmlayer.cpp:209
virtual OGRwkbGeometryType GetGeomType() override
Return the layer geometry type.
Definition: gnmlayer.cpp:260
GIntBig GetFeaturesRead()
GetFeaturesRead.
Definition: gnmlayer.cpp:125
virtual OGRErr SyncToDisk() override
Flush pending changes to disk.
Definition: gnmlayer.cpp:328
virtual OGRErr ReorderFields(int *panMap) override
Reorder all the fields of a layer.
Definition: gnmlayer.cpp:309
Class for dataset open functions.
Definition: gdal_priv.h:265
virtual OGRFeature * GetNextFeature() override
Fetch the next available feature from this layer.
Definition: gnmlayer.cpp:214
General GNM class which represents a geography network of common format.
Definition: gnm.h:74
virtual OGRErr ICreateFeature(OGRFeature *poFeature) override
Create and write a new feature within a layer.
Definition: gnmresultlayer.cpp:212
virtual OGRSpatialReference * GetSpatialRef() override
Fetch the spatial reference system for this layer.
Definition: gnmresultlayer.cpp:119
virtual OGRErr CreateField(OGRFieldDefn *poField, int bApproxOK=TRUE) override
Create a new field on a layer.
Definition: gnmlayer.cpp:295
virtual OGRErr CommitTransaction() override
For datasources which support transactions, CommitTransaction commits a transaction.
Definition: gnmlayer.cpp:353
virtual int CloseDependentDatasets()
Drop references to any other datasets referenced by this dataset.
Definition: gdaldataset.cpp:3432
virtual char ** GetFileList(void)
Fetch files forming dataset.
Definition: gdaldataset.cpp:2360
virtual OGRErr AlterFieldDefn(int iField, OGRFieldDefn *poNewFieldDefn, int nFlagsIn) override
Alter the definition of an existing field on a layer.
Definition: gnmlayer.cpp:314
This class represents an OpenGIS Spatial Reference System, and contains methods for converting betwee...
Definition: ogr_spatialref.h:147
virtual CPLErr Create(const char *pszFilename, char **papszOptions)=0
Create network system layers.
virtual void SetSpatialFilterRect(double dfMinX, double dfMinY, double dfMaxX, double dfMaxY) override
Set a new rectangular spatial filter.
Definition: gnmlayer.cpp:186
The simple class for rules.
Definition: gnm.h:635
virtual OGRLayer * GetPath(GNMGFID nStartFID, GNMGFID nEndFID, GNMGraphAlgorithmType eAlgorithm, char **papszOptions)=0
Create path between start and end GFIDs.
virtual OGRFeature * GetFeature(GIntBig nFID) override
Fetch a feature by its identifier.
Definition: gnmresultlayer.cpp:78
Point class.
Definition: ogr_geometry.h:809
int AttributeFilterEvaluationNeedsGeometry()
AttributeFilterEvaluationNeedsGeometry.
Definition: gnmlayer.cpp:130
This class represents a layer of simple features, with access methods.
Definition: ogrsf_frmts.h:70
GNMGenericLayer(OGRLayer *poLayer, GNMGenericNetwork *poNetwork)
GNMGenericLayer.
Definition: gnmlayer.cpp:38
virtual int GetVersion() const
GetVersion return the network version if applicable.
Definition: gnm.h:133
virtual OGRErr InsertFeature(OGRFeature *poFeature, const CPLString &soLayerName, int nPathNo, bool bIsEdge)
Undocumented.
Definition: gnmresultlayer.cpp:125
A simple feature, including geometry and attributes.
Definition: ogr_feature.h:354
This class represents a style table.
Definition: ogr_featurestyle.h:84
virtual CPLErr DisconnectAll()=0
DisconnectAll method clears the network graph.
A set of associated raster bands, usually from one file.
Definition: gdal_priv.h:335
long long GIntBig
Large signed integer type (generally 64-bit integer type).
Definition: cpl_port.h:248
virtual void SetStyleTableDirectly(OGRStyleTable *poStyleTable) override
Set layer style table.
Definition: gnmlayer.cpp:338
virtual int GetLayerCount()
Get the number of layers in this dataset.
Definition: gdaldataset.cpp:6046
virtual void SetStyleTable(OGRStyleTable *poStyleTable) override
Set layer style table.
Definition: gnmlayer.cpp:343
virtual OGRErr SetAttributeFilter(const char *) override
Set a new attribute query.
Definition: gnmlayer.cpp:204
virtual OGRErr DeleteFeature(GIntBig nFID) override
Delete feature from layer.
Definition: gnmlayer.cpp:230
int OGRErr
Simple container for a bounding region.
Definition: ogr_core.h:290
The OGRGNMWrappedResultLayer class for search paths queries results.
Definition: gnm.h:704
virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce=TRUE) override
Fetch the extent of this layer.
Definition: gnmlayer.cpp:280
virtual int TestCapability(const char *)
Test if capability is available.
Definition: gdaldataset.cpp:6406
Format specific driver.
Definition: gdal_priv.h:1386
virtual OGRErr DeleteField(int iField) override
Delete an existing field on a layer.
Definition: gnmlayer.cpp:300
virtual int TestCapability(const char *pszCap) override
Test if this layer supported the named capability.
Definition: gnmresultlayer.cpp:93
virtual void SetSpatialFilter(OGRGeometry *) override
Set a new spatial filter.
Definition: gnmlayer.cpp:181
virtual OGRFeature * GetNextFeature() override
Fetch the next available feature from this layer.
Definition: gnmresultlayer.cpp:68
CPLErr
Error category.
Definition: cpl_error.h:52
virtual int FindFieldIndex(const char *pszFieldName, int bExactMatch) override
Find the index of field in the layer.
Definition: gnmlayer.cpp:265