Mostly map algebra, doing a mean or sum over 7 rasters, etc. Possibly
clipping to state borders at final step. Is 100 x 100 too small?
Thanks,
Steve
On 5/2/2012 11:12 AM, Pierre Racine wrote:
Depends on what you want to do:
Raster/vector analysis in vector space (with ST_Intersection(geometry,
raster)): smaller is better
Raster/vector analysis in raster space (with ST_Clip or ST_Intersection(raster,
raster)): tile approximately the size of polygons is better
No analysis: depends on your application.
Pierre
-----Original Message-----
From: postgis-users-boun...@postgis.refractions.net [mailto:postgis-users-
boun...@postgis.refractions.net] On Behalf Of Stephen Crawford
Sent: Wednesday, May 02, 2012 11:04 AM
To: PostGIS Users Discussion
Subject: [postgis-users] tile size
Is there any rule of thumb for choosing a tile size for a raster? I
have a grid that is 2145 x 1377
Thanks,
Steve
--
Stephen Crawford
Center for Environmental Informatics
The Pennsylvania State University
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--
Stephen Crawford
Center for Environmental Informatics
The Pennsylvania State University
src...@psu.edu
814.865.9905
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