[Qgis-user] Slow rendering of vrt

[Giovanni Manghi]

http://trac.osgeo.org/gdal/wiki/CatalogueForQIS

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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