two options: - gdal's Virtual Raster Format (vrt) - you can create vrt files using the Raster Tools plugin - RasterLite - looks promising but not using it at the moment
On Wed, Sep 1, 2010 at 4:44 PM, Alister Hood <[email protected]> wrote: > Hi everyone, > I'm looking for insight into dealing with large amounts of raster data in > QGIS; at the moment I'm really interested in just displaying background > images, not doing raster analysis. > > Trying to add several hundred ecw images takes an extremely long time and a > lot of memory. I thought QGIS might establish the location of each image > but only load images that are visible in the map extents (and maybe adjacent > images, to speed up panning and zooming). However it seems like it must be > loading all of the images. Is that right? > > Would it be better for me to install some sort of tile server that I can > load the images into and connect QGIS to? How do other people deal with > large amounts of raster data? > > Thanks, > Alister > > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user > > -- cheers, maning ------------------------------------------------------ "Freedom is still the most radical idea of all" -N.Branden wiki: http://esambale.wikispaces.com/ blog: http://epsg4253.wordpress.com/ ------------------------------------------------------ _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
