Difference between revisions of "Large raster data processing"
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Revision as of 08:11, 19 July 2012
Create a mosaic
Suppose that we have all ASTER GDEM world coverage (>22000 files) and we aim to build a mosaic of Europe and import it in GRASS. A nice reference on how to deal with ASTER GDEM is here. The very first step is to select among the >22000 files those covering our area of interest (Europe). To this aim, we can use use gdaltindex to create an index of all the files:
gdaltindex an_index.shp *.tif