[Qgis-developer] Tiled web maps in QGIS

Andre Joost andre+joost at nurfuerspam.de
Mon Mar 11 09:20:12 PDT 2013


Am 11.03.2013 16:57, schrieb Jochen Topf:
> On Mon, Mar 11, 2013 at 08:50:34AM -0700, Alex Mandel wrote:
>> FYI, the openlayers plugin is essentially doing something very similar.
>
> I tried the OpenLayers plugin and it seems rather flaky, sometimes it works,
> sometimes it doesn't.

It definitely works. Only disadavantage is that some tiles do not show 
up, if the server does not respond in time. It just needs to move the 
map a bit around, to see the missing tiles.

> And it seems it only works with the original Mercator
> projection of the tiles not with other projections.

Thats true, but reprojecting tiles individually looks rather bad. You 
have to load all tiles, mosaic them together, and then reproject the 
result. But this may take too long.

Greetings,
André Joost



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