[gdal-dev] Which ONE image in a .vrt is currently being displayed?

[Frank Warmerdam]

Greg Coats wrote:
> With GDAL 1.7.2, released 2010/04/23, I used gdalbuildvrt to build a .vrt
> file that points to 726 GeoJPEG2000 images. Then, I use QGIS 1.5.0, release
> 13519M to pan and zoom through these images. When zoomed in, how do I get
> Qgis to identify which ONE of the raster images in the .vrt file is
> currently being displayed? Greg

Greg,

I am not aware of any functionality to expose the underlying file for a pixel
in a VRT image.

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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and watch the world go round - Rush    | Geospatial Programmer for Rent