[gdal-dev] The vrt datasource from gdalbuildvrt report a wrong block of 128x128

Andrea Peri aperi2007 at gmail.com
Sun Aug 23 02:28:21 PDT 2015


Hi Even,
thx for reply.

So actually a tiff born to be used with vrt datasource be better if
you was with a tile=128x128 instead of tile=1024x1024
 right ?

A.


2015-08-23 10:51 GMT+02:00 Even Rouault <even.rouault at spatialys.com>:
> Le dimanche 23 août 2015 07:43:03, Andrea Peri a écrit :
>> Hi,
>> I have a tiff tiled with tile size 1024 x 1024.
>>
>> When I try to build a vrt-datasource on it using the gdalbuildvrt.
>> I see the result vrt file report a
>> block of 128x128 instead of 1024x1024.
>>
>> I dont know if this is correct by the gdalbuildvrt oint of view
>>
>> Also I like to know if is preferrably to correct manually  the vrt
>> result to report the right value 1024
>> or is also acceptable to maintain the 128 size reported for the right
>> work of the gdal utilities in the vrt file.
>
> Andrea,
>
> the 128x128 block size is currently hardcoded in the VRT driver. We could
> imagine extending the VRT syntax to have user defined block size.
>
> Even
>
> --
> Spatialys - Geospatial professional services
> http://www.spatialys.com



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Andrea Peri
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qwerty àèìòù
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