Stephen Woodbridge wrote:
Hi all,
I have a question regarding imagery in spherical mercator projection in
geotiff images. Do overviews work correctly?
For example, I use EPSG:4326 and build lots of overviews and I can zoom
in and out and pan without a problem. Can I do the same thing with
EPSG:900913 (spherical mercator projection).
I'm working with LandSat imagery over large area and scale ranges.
Steve,
I can't see any reason that overviews would not work on spherical
mercator when they work on images in other coordinate systems. The
overview handling is independent of the georeferencing.
Best regards,
--
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up | Frank Warmerdam, warmer...@pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush | Geospatial Programmer for Rent
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