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Adding scale, offset, units metadata to geotiff

To: galeon@xxxxxxxxxxxxxxxx
Subject: Adding scale, offset, units metadata to geotiff
From: John Caron <caron@xxxxxxxxxxxxxxxx>
Date: Wed, 13 Jul 2005 13:41:54 -0600

FYI:

Martin Daly and I are discussing adding this tag to the thredds servergeotiffs:


 http://www.awaresystems.be/imaging/tiff/tifftags/gdal_metadata.html

this would allow us to put out 8-bit geotiffs, but clients could convertback to floats, using a scale and offset.

We can specify the units also!!

Any comments on this idea are welcome.

Follow-Ups:
- Re: Adding scale, offset, units metadata to geotiff
  - From: Rob Raskin