uTag

ID of the GeoKey to set. Values of the GeoKey ID range between 0 and 65535. Possible ranges are:

Range

Meaning

0..1023

Do not use; reserved for future use.

1024..2047

GeoTIFF configuration keys.

2048..3071

Geographic/Geocentric CS Parameter Keys.

3072..4095

Projected CS Parameter Keys.

4096..5119

Vertical CS Parameter keys.

5120..32767

Reserved.

32768..65535

Private use – use to store your own data