[Qgis-user] RE: Qgis-user Digest, Vol 75, Issue 43

[Alister Hood]

> Date: Sun, 13 May 2012 21:21:39 +0100
> From: Giovanni Manghi <giovanni.manghi at faunalia.pt>
> Subject: Re: [Qgis-user] QGIS with geotiff tiles
> To: pcreso at pcreso.com
> Cc: qgis-user <qgis-user at lists.osgeo.org>
> Message-ID: <1336940499.2363.88.camel at sibirica>
> Content-Type: text/plain; charset="UTF-8"
> 
> On Sun, 2012-05-13 at 13:16 -0700, pcreso at pcreso.com wrote:
> > I have a set of geotiffs, comprising several Gb of tiles covering an
> > area.
> >
> > Is there any way QGIS can be configured to use a shapefile as a
> > pointer to these, much as mapserver can do?
> >
> > I don't want to have each tile as a separate layer in QGIS,
> 
> 
> you can create a virtual raster (catalog) or create the "tileindex". You
> find both tools in the raster menu.
> 
> Cheers

If you try a tileindex, check out http://lists.osgeo.org/pipermail/qgis-user/2012-March/015804.html
Note that if you use an action like I described (instead of using one of the plugins) the exact syntax is probably a little different, depending on what version of QGIS you are running.  I gave the syntax for QGIS master, which uses the new "expression builder" expressions. 

Alister