[gdal-dev] "Nested" vrts?

[Jonathan Greenberg]

Folks:

Is it possible to create a vrt comprised of other vrts?  For a mosaicking
problem, say I want to first trim the margins of the individual tiles by a
certain number of pixels -- I can, of course, gdal_translate this but this
adds a bunch of new files/processing time -- can I use gdalbuildvrt to
first set a new te for each individual tile, and then feed these vrts into
another gdalbuildvrt for mosaicking them?

--j
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