7.53 SDO_GEOR.getControlPoint
Format
SDO_GEOR.getControlPoint ( inGeoraster IN SDO_GEORASTER, controlPointID IN VARCHAR2 ) RETURN SDO_GEOR_GCP;
Description
Returns the ground control point (GCP) that has the specified control point ID value.
Parameters
Usage Notes
For an explanation of georeferencing using GCPs, see Ground Control Point (GCP) Georeferencing Model.
This function returns an object of type SDO_GEOR_GCP, which is described in SDO_GEOR_GCP Object Type.
In the control point ID is null, empty, or missing in inGeoraster
, an exception is raised.
Examples
The following example returns the GCP that has the ID value 25 in a specified GeoRaster object.
SELECT sdo_geor.getControlPoint(georaster, '25') FROM georaster_table WHERE georid =10; SDO_GEOR.GETCONTROLPOINT(GEORASTER,'25')(POINTID, DESCRIPTION, POINTTYPE, CELLDI -------------------------------------------------------------------------------- SDO_GEOR_GCP('25', NULL, 2, 2, SDO_NUMBER_ARRAY(167.470583, 64.030686), 2, SDO_N UMBER_ARRAY(237032.015, 897916.265), NULL, NULL)
Parent topic: SDO_GEOR Package Reference