[gdal-dev] read a catalog is slower then directly the raster ?

Dmitry Baryshnikov polimax at mail.ru
Thu Feb 2 10:03:55 EST 2012

02.02.2012 18:44, Even Rouault пишет:
>> We have discussed this problem with Even. I'll fix it. The work is in
>> process.
> Dmitry,
> See the answer I've just posted, but there's no evidence that Andrea is running
> into the performance problems related to wrapped VRT. The VRTs produced by
> gdalbuildvrt have no rotation. gdalbuildvrt only accepts "north-up" tiles. I'll
> rather suspect a performance problem due to accessing ECW through VRT.
>> Best regards,
>>       Dmitry
> .
Hello Even,

During fixing the problem I'll test this issue (vrt of mosaic raster 
with and without ECW) too, maintaining close contacts with QGIS developers.

Best regards,

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