7.13 SDO_GEOR.deleteControlPoint
Format
SDO_GEOR.deleteControlPoint ( inGeoraster IN SDO_GEORASTER, controlPointID IN VARCHAR2);
Description
Deletes a 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.
If the controlPointID is null, empty or not found in the existing GCPs stored in the GeoRaster object metadata, an exception is raised. If a GCP with the specified point ID is found, that GCP is deleted from the georeferencing model.
Examples
The following example deletes the GCP that has the ID value 23 in a specified GeoRaster object.
DECLARE gr1 sdo_georaster; BEGIN SELECT georaster INTO gr1 from herman.georaster_table WHERE georid=10 FOR UPDATE; sdo_geor.deleteControlPoint(gr1, '23'); UPDATE georaster_table SET georaster=gr1 WHERE georid=10; COMMIT; END; /
Parent topic: SDO_GEOR Package Reference