DataSource Class

Inherits from

GEOCALCPBW_NAMESPACE::GeoBase

Description

The DataSource class provides properties and methods that allow the user to interact with a data source XML file. A description of how to use the DataSource can be found here.

Public Constructors

Constructor	Description
DataSource	Creates a new instance of the DataSource class
CreateDataSource	Creates a new instance of the DataSource class

Public Methods

Method	Description
CommitToFile	Saves the DataSource to a file
CoordSysFromGML	Initializes a CoordSys from a GML string
ConstructHTDPTransformation	Constructs an HTDP transformation between two input coordinate reference systems
ConstructTimeDependentHelmert	Constructs a Time Dependent Helmert transformation between two input coordinate reference systems
EstablishTransform	Returns a single transform that is used to populate a ConcatenatedTransform that converts between the specified source and targets, as limited by the settings in the TransformPreferences provided
Exists	Determines if a Serializable exists in the DataSource
ExportCoordSysToFile	Saves a WKT definition of the specified CoordSys to a file
ExportCoordSysToGeoTIFF	Saves a GeoTIFF definition of the specifed CoordSys to a file
ExportCoordSysToMIFString	Saves a MapInfo MIF definition of the specifed CoordSys to a file
ExportCoordSysToString	Gets a WKT definition of the specified CoordSys
ExportCoordSysToPRJString	Gets an Esri PRJ definition of the specified CoordSys
ExportCoordSysToStrings	Gets the GeoCalc 5.x keys that identify the specified CoordSys
ExportDatumTransformToString	Exports a DatumTransform to a WKT String.
ExportGMLCoordSysToLocalFile	Generates a GML file that represents the specified CoordSys
ExportToSupplementaryFile	Saves a set of datasource objects out as an xsp file
ExportToSupplementaryString	Saves a set of datasource objects out as a string
FindByEPSG	Retrieves a list of objects with the specified EPSG code (EPSG codes are not unique across all object types)
FindEquivalentObjects	Retrieves a list of objects equivalent to a given Serializable
get_ApplicationID	Retrieves the ApplicationID
get_AutoSaveView	Retrieves the flag that indicates whether modifications that happen to the default view during the datasource load should be automatically saved
get_CalculatedSignature	The get_CalculatedSignature method returns the signature calculated from the current contents of the base data source file.
get_CalculatedSignatureCustom	This method returns the signature calculated from the current contents of the custom datasource file.
get_ChangeLog	Gets the ChangeLog used to track changes to base objects
get_CustomChangeLog	Gets the ChangeLog used to track changes to custom objects
get_CustomFileName	The get_CustomFileName method returns the path and name of the custom data source file that is currently loaded into the DataSource.
get_DefaultIssuer	Returns the default issuer used with the Get/Put/Remove methods
get_DefaultView	Retrieves the default view for this DataSource
get_DSInstancePtr	Gets a pointer to the internal datasource, so that it may be passed to, and shared with, another of Blue Marble Geographics geodetic processing libraries.
get_Editable	Indicates whether the DataSource can be modified
get_FailOnInvalidSig	Indicates whether we should throw an exception during the LoadFile if the base data source file has been manually edited.
get_FileName	Indicates the file that is currently loaded into the DataSource
get_HasChangeLog	Returns whether there is an active log file for changes to the base datasource
get_HasCustomChangeLog	Returns whether there is an active log file for changes to the custom datasource
get_IsLoaded	Indicates whether a DataSource file has been loaded
get_IsSignatureValid	Indicates whether the base datasource file has been manually edited since the last time it was saved.
get_IsSignatureValidCustom	Indicates whether the custom datasource file has been manually edited since the last time it was saved.
get_RefreshViewHidden	Retrieves the flag that indicates whether new objects that are found in the base datasource that are not in the view should be added as hidden (new custom objects will always be added as visible)
get_SignatureFromFile	This method returns the signature stored in the base data source file.
get_SignatureFromFileCustom	This method returns the signature stored in the custom datasource file.
GetAngularUnit	Gets an AngularUnit from the DataSource
GetCartesianPoint	Gets a CartesianPoint from the DataSource
GetCartographicFlag	Gets the state of a flag that enables better handling of certain projections for visual presentation.
GetCenteringMargin	This function returns the margin of error that is used when judging whether a projected point should be corrected to "wrap around" to the other side when centering the transformation results on the Central Meridian of the projection.
GetCenterOnMeridianFlag	This function allows the user to get how the central meridian of a projection affects the transformation of points.
GetCoordTransform	Gets a CoordTransform from the DataSource
GetDataPath	Gets the path to this DataSource.
GetDatumTransform	Gets a DatumTransform from the DataSource
GetDisplayableNameForObject	Retrieves the Display name for the object from the DataView, if it exists, or otherwise returns the DataSource name.
GetEllipsoid	Gets an Ellipsoid from the DataSource
GetAreaOfUse	Gets an AreaOfUse from the DataSource
GetFittedCoordSys	Gets a FittedCoordSys from the DataSource
GetFTPDownloadEnabled	Gets the FTP Download flag
GetGeocentricCoordSys	Gets a GeocentricCoordSys from the DataSource
GetGeodeticCoordSys	Gets a GeodeticCoordSys from the DataSource
GetGeodeticPoint	Gets a GeodeticPoint from the DataSource
GetGMLObjectListFromIndicio	Populates a collection with GML object names and their URN strings from data in the OGP's Indicio server, given an object type
GetHorizontalDatum	Gets a HorizontalDatum from the DataSource
GetIgnore3dTransform	Gets the flag indicating if all CoordTransforms should ignore the vertical
GetLinearUnit	Gets a LinearUnit from the DataSource
GetNumberOfModifications	Returns the number of changes that have been made to the DataSource since it was loaded.
GetPrimeMeridian	Gets a PrimeMeridian from the DataSource
GetPreserveNullString	Sets a flag preventing NULL String values from being considered '0'
GetProjectedCoordSys	Gets a ProjectedCoordSys from the DataSource
GetProjectedPoint	Gets a ProjectedPoint from the DataSource
GetProjectionTypeString	Gets a user-friendly display name for the specified projection type
GetScalarUnit	Gets a ScalarUnit from the DataSource
GetSerializable	Gets a Serializable from the DataSource
GetShowDeprecated	Returns the status of the ShowDeprecated flag on the DataSource
GetVerticalDatum	Gets a VerticalDatum from the DataSource
GetWKTForceMatch	Indicates whether GeoCalc will try to find a match with an existing CoordSys when importing a CoordSys from a WKT string
ImportCoordSysFromFile	Loads a CoordSys from a file
ImportCoordSysFromGeoTIFF	Imports a CoordSys from a GeoTiff file
ImportCoordSysFromPRJ	Imports a CoordSys from an ESRI PRJ String.
ImportCoordSysFromString	Loads a CoordSys from a WKT string
ImportCoordSysFromStrings	Returns a CoordSys that matches the GeoCalc 5.x keys
ImportDatumTransformFromFile	Imports a DatumTransform from a GTF file
ImportDatumTransformFromString	Imports a DatumTransform from a WKT string
ImportFile	Loads a CoordSys into the DataSource
ImportFromSupplementaryFile	Reads in a specified .xsp file and adds any new objects to the DataSource
ImportFromSupplementaryString	Reads in a string and adds any new objects to the DataSource
ImportGMLObjectFromIndicio	Composes GeoCalc objects for all URNs in the specified collection.
LoadFile	Loads a data source file into this DataSource
PutAngularUnit	Adds an AngularUnit to the DataSource
PutCartesianPoint	Adds a CartesianPoint to the DataSource
PutEllipsoid	Adds an Ellipsoid to the DataSource
PutAreaOfUse	Adds an AreaOfUse to the DataSource
PutFittedCoordSys	Adds a FittedCoordSys to the DataSource
PutGeocentricCoordSys	Adds a GeocentricCoordSys to the DataSource
PutGeodeticCoordSys	Adds a GeodeticCoordSys to the DataSource
PutGeodeticPoint	Adds a GeodeticPoint to the DataSource
PutHorizontalDatum	Adds a HorizontalDatum to the DataSource
PutLinearUnit	Adds a LinearUnit to the DataSource
PutPrimeMeridian	Adds a PrimeMeridian to the DataSource
PutProjectedCoordSys	Adds a ProjectedCoordSys to the DataSource
PutProjectedPoint	Adds a ProjectedPoint to the DataSource
PutScalarUnit	Adds a ScalarUnit to the DataSource
PutScope	Adds a Scope to the DataSource
PutSerializable	Adds a Serializable to the DataSource
PutUsage	Adds a Usage to the DataSource
PutVerticalDatum	Adds a VerticalDatum to the DataSource
RemoveAngularUnit	Removes an AngularUnit from the DataSource
RemoveCartesianPoint	Removes a CartesianPoint from the DataSource
RemoveEllipsoid	Removes an Ellipsoid from the DataSource
RemoveAreaOfUse	Removes an AreaOfUse from the DataSource
RemoveFittedCoordSys	Removes a FittedCoordSys from the DataSource
RemoveGeocentricCoordSys	Removes a GeocentricCoordSys from the DataSource
RemoveGeodeticCoordSys	Removes a GeodeticCoordSys from the DataSource
RemoveGeodeticPoint	Removes a GeodeticPoint from the DataSource
RemoveHorizontalDatum	Removes a HorizontalDatum from the DataSource
RemoveLinearUnit	Removes a LinearUnit from the DataSource
RemovePrimeMeridian	Removes a PrimeMeridian from the DataSource
RemoveProjectedCoordSys	Removes a ProjectedCoordSys from the DataSource
RemoveProjectedPoint	Removes a ProjectedPoint from the DataSource
RemoveScalarUnit	Removes a ScalarUnit from the DataSource
RemoveScope	Removes a Scope from the DataSource
RemoveSerializable	Removes a Serializable from the DataSource
RemoveUsage	Removes a Usage from the DataSource
RemoveVerticalDatum	Removes a VerticalDatum from the DataSource
set_ApplicationID	Sets the ApplicationID which will show up when a Change is made
set_AutoSaveView	Sets the flag that indicates whether modifications that happen to the default view during the datasource load should be automatically saved
set_CurrentUserID	Sets the Current User ID which will show up when a Change is made
set_DefaultIssuer	Sets the default issuer used with the Get/Put/Remove methods
set_DefaultView	Sets the default view for this DataSource
set_DSInstancePtr	Initializes this DataSource instance using a pointer to an internal datasource object obtained from one of Blue Marble Geographics' other geodetic processing libraries.
set_Editable	Sets whether this DataSource can be modified
set_FailOnInvalidSig	Sets whether we should throw an exception during the LoadFile call if the base data source file has been manually edited.
set_RefreshViewHidden	Sets the flag that indicates whether new objects that are found in the base datasource that are not in the view should be added as hidden (new custom objects will always be added as visible)
SetCartographicFlag	Sets a flag that enables better handling of certain projections for visual presentation.
SetCenteringMargin	This function sets the margin of error that is used when judging whether a projected point should be corrected to "wrap around" to the other side when centering the transformation results on the Central Meridian of the projection.
SetCenterOnMeridianFlag	This function allows the user to set how the central meridian of a projection affects the transformation of points.
SetDataPath	Sets the path to this DataSource
SetFTPDownloadEnabled	Sets the FTP enabled flag
SetIgnore3dTransform	Sets whether all CoordTransforms should ignore 3d conversions.
SetPreserveNullString	Sets a flag preventing NULL String values from being considered '0'
SetShowDeprecated	Sets the status of the ShowDeprecated flag on the DataSource
SetWKTForceMatch	Specifies if GeoCalc should try to find an existing CoordSys when importing a CoordSys from a WKT string.
operator=	Assigns a new value to this Datum