On 23/08/2012 11:33, Giovanni Manghi wrote:
http://trac.osgeo.org/gdal/wiki/CatalogueForQIS

Magic! Many thanks, and also to Andrea Peri for posting the python code.
In windows I had to run it as: " python computestats.py -approx <filename.vrt> "
it would be very nice to have this added as tool directly in QGIS...

cheers


-- Giovanni --


On Thu, 2012-08-23 at 11:27 +0300, Micha Silver wrote:
Hello all:

I have a batch of over 100 raster tiles in ecw format. Each is 50 -
100 MB in size. When I choose 20 or so files to load they appear
(render) very quickly - in a matter of a few seconds or less. If I
create a vrt of that same batch of tiles, it takes a long time to
first render - upwards of 15 - 30 seconds.  Once the vrt is loaded
response is excellent (zooming, etc). But that initial delay is a bit
annoying. Anything I can do to improve it? (QGIS 1.8, Win 7 64 bit)

Many thanks,
Micha

--
Micha Silver
052-3665918
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--
Micha Silver
052-3665918

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