[gdal-dev] How to pick on file from a VRT ?

Chaitanya kumar CH chaitanya.ch at gmail.com
Tue Apr 27 09:19:27 EDT 2010


The simplest way is to build the vrt using gdalbuildvrt with the option
'-vrtnodata'. Any pixel with no data(including areas with no files) will
have the value specified with that option. Refer to

On Tue, Apr 27, 2010 at 6:24 PM, Vincent Honnet <
vincent.honnet at external.thalesgroup.com> wrote:

> Hi,
> I would like to do something like a picking on a vrt.
> Let me explain:
> I have vrt's from GTiff files but there is some holes, areas where there
> isn't any data.
> From an area defined by its coordinates I would like to get the information
> if this area is pointing on a file or not, or at least on data or not.
> Is there a way to do that ? I'm using GDal 1.7.
> Thanks a lot in advance,
> Vincent
> _______________________________________________
> gdal-dev mailing list
> gdal-dev at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/gdal-dev

Best regards,
Chaitanya kumar CH.
/tʃaɪθənjə/ /kʊmɑr/
17.2416N 80.1426E
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