: fwarmer...@gmail.com [mailto:fwarmer...@gmail.com] On Behalf Of Frank
Warmerdam
Sent: Friday, November 11, 2011 11:52 AM
To: Ian Walberg
Cc: mapserver-users@lists.osgeo.org
Subject: Re: [mapserver-users] Raster image performance
Ian,
I am guessing you actually have many files, not just one big one
Does anyone have any experience of how to get the best performance out
of raster formats.
We have an application which needs to be able to display a number of
zoom levels and once we get out to whole earth or continent level the
performance is poor. Our assumption is that it is the shrinking of
Ian,
I am guessing you actually have many files, not just one big
one. Is that right? As you zoom out opening many files to
accumulate the full image is expensive. Up to some scale
it is practical to merge things into one big mosaic tiff with overviews.
At some point that can be impractically