Re: [Qgis-user] Load OpenStreetMap in qgis as raster layer without the openlayer plugin

2012-08-04 Thread Andre Joost

Am 04.08.2012 18:41, schrieb Andre Joost:

Am 04.08.2012 11:48, schrieb marco bra:

Want to share something, i found useful, about loading gdal generates
tiles
as raster layer in qgis:

http://www.3liz.com/blog/rldhont/index.php?post/2012/07/17/OpenStreetMap-Tiles-in-QGIS

this method can be used also to speedup qgis-mapserver rendering



Sounds simple, but the result looks a bit weired. The latest version of
openlayers plugin allows freely all zoom scales, with quit good tile
resizing.


Just discovered two things:
Changing EPSG to 3857 makes the TMS compatible with Openlayers plugin, 
looking much better. 900913 and 3857 should be principally the same, but 
Qgis makes some reprojection which makes the TMS tiles rather weired in 
3857 projects.


And with TMS I can use self-made transparent overlay tiles, setting the 
transparency color manually to RGB 0-0-0. Thats the only thing I can not 
do with Openlayers plugin at the moment.


HTH,
André Joost


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Re: [Qgis-user] Load OpenStreetMap in qgis as raster layer without the openlayer plugin

2012-08-04 Thread Andre Joost

Am 04.08.2012 11:48, schrieb marco bra:

Want to share something, i found useful, about loading gdal generates tiles
as raster layer in qgis:

http://www.3liz.com/blog/rldhont/index.php?post/2012/07/17/OpenStreetMap-Tiles-in-QGIS
this method can be used also to speedup qgis-mapserver rendering



Sounds simple, but the result looks a bit weired. The latest version of 
openlayers plugin allows freely all zoom scales, with quit good tile 
resizing.


I am also using self-tiled geotiffs from various sources, addressed via 
localhost. It needs only little tweak of the openlayers plugin to get 
them incorporated.


Greetings,
Andre Joost


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[Qgis-user] Load OpenStreetMap in qgis as raster layer without the openlayer plugin

2012-08-04 Thread marco bra
Want to share something, i found useful, about loading gdal generates tiles
as raster layer in qgis:

http://www.3liz.com/blog/rldhont/index.php?post/2012/07/17/OpenStreetMap-Tiles-in-QGIS
this method can be used also to speedup qgis-mapserver rendering

http://www.lucacasagrande.net/utilizzo-di-qgis-server/

there are also other xml ready to be used:
http://svn.osgeo.org/gdal/trunk/gdal/frmts/wms/

The generated tiles cache in Linux is under  ~/gdalwmscache/

Hope this helps

Marco Braida
-- 
Linux Infinite Freedom
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