AW: Re: [Qgis-user] raster-catalogue-support

Düster Horst Horst.Duester at bd.so.ch
Thu May 7 02:41:10 PDT 2009


With GDAL-1.7.0 you have the option to build VRT files. This VRT works
like a caster catalogue. For building your VRT you can use the
gdalbuildvrt tool delivered by gdal.

------------------------------------------------

Dr. Horst Düster
Stv. Amtschef / GIS-Koordinator 

Kanton Solothurn
Bau- und Justizdepartement
Amt für Geoinformation
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CH-4501 Solothurn

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Telefax ++41(0)32 627 22 14

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-----Ursprüngliche Nachricht-----
Von: maning sambale [mailto:emmanuel.sambale at gmail.com]
Gesendet am: Donnerstag, 7. Mai 2009 11:33
An: Stephan Holl
Cc: qgis-user
Betreff: Re: [Qgis-user] raster-catalogue-support

+1 here.

Stephen, as a workaround, I use a local wms to load 500+ topographic
maps in QGIS, using the generated index.shp from gdaltindex.

An example map file is like this:

LAYER
    NAME 'Topo_Sheet'
    STATUS ON
    TILEINDEX '/__/toposheets/topo_index.shp'
    TILEITEM 'location'
    TYPE RASTER
    PROCESSING "DITHER=YES"
    PROJECTION
      "+proj=longlat +ellps=clrk66 +no_defs"
    END
  END

The WMS layer will load only the tiles you need within the QGIS
mapwindow.

On Thu, May 7, 2009 at 5:25 PM, Stephan Holl
<stephan.holl at intevation.de> wrote:
> Hi QGIS-users,
>
> does someone know if QGIS has an option to read raster-catalogues (as
> the ones usable for MapServer generated with tileindex)?
>
> If yes, I would be interested how to use.
> If not, it does not seem too difficult to create a python-plugin to
> support this sort of layers.
>
> TIA
>
>        Stephan
>
> --
> Stephan Holl <stephan.holl at intevation.de> | Tel.: +49 (0)541-33 508
3663
> Intevation GmbH, Neuer Graben 17, 49074 OS  |  AG Osnabrück - HR B
18998
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Wagner
>
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>



-- 
cheers,
maning
------------------------------------------------------
"Freedom is still the most radical idea of all" -N.Branden
wiki: http://esambale.wikispaces.com/
blog: http://epsg4253.wordpress.com/
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