> From: grass-user [mailto:grass-user-boun...@lists.osgeo.org] On Behalf Of > Paul Meems
Depends on several things, e.g - do polygons overlap or not, - do “height maps” overlap or not? - What are the “several commands” you need to be performed On the basis of the information you provided I would have a look at - gdalbuildvrt for merging your “height map” tiles - import PostGIS polygon table to GRASS - convert to raster using v.to.rast and assign ID to each raster representation of your polygons - calculate statistics using either o r.stats o r.univar to create CSV files, which can be read back to PostGIS (COPY command) and then joined to your original map using ID field I would not consider WCS / GeoServer, that gives you only overhead and extra work... Cheers Stefan
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