[mapserver-users] mapcache wmts offset

[Ziegler Stefan]

Hi Thomas

Thanks! Second workaround works perfect.

Regards
Stefan 

> -----Ursprüngliche Nachricht-----
> Von: thomas bonfort [mailto:thomas.bonfort at gmail.com]
> Gesendet: Freitag, 4. April 2014 09:36
> An: Ziegler Stefan
> Cc: mapserver-users at lists.osgeo.org
> Betreff: Re: [mapserver-users] mapcache wmts offset
> 
> Hi,
> mapcache by default aligns its tiles starting from the lower-left corner whereas WMTS
> expects them to start from the upper-left. While the generated capabilities doc
> correctly identifies this behavior, most WMTS clients will not support this if they don't
> do the capabilities parsing themselves. You have two workarounds:
> - create a grid where maxY is constant throughout your chosen resolutions (the google
> and wgs84 grids respect this convention)
> - use a recentish mapcache that supports setting the grid origin activated with <grid
> origin="top-left">.
> 
> In both cases, you will have to fully recompute your cache as the addressing of the
> tiles will have been changed.
> 
> cheers,
> thomas
> 
> On 4 April 2014 08:50, Ziegler Stefan <Stefan.Ziegler at bd.so.ch> wrote:
> > Hi
> >
> > I have an offset with a mapcache WMTS for EPSG:21781 at certain zoom levels. It
> seems that I have exactly the same probleme as described here (using the same
> parameters/configuration):
> >
> > http://lists.osgeo.org/pipermail/mapserver-dev/2011-September/011586.h
> > tml
> >
> > Using Openlayers 2.10 [1] did not help and it's still present with OpenLayers 3 [2]. I
> do not notice the offset accessing the wmts with QGIS. Any ideas what can be wrong
> configured etc?
> >
> > [1]: http://www.catais.org/somap3/
> > [2]: http://www.catais.org/somap3/ol2-wmts/ol2-wmts.html
> >
> > Zooming out will show a zoom level with an offset.
> >
> > Regards
> > Stefan
> >
> > Freundliche Grüsse
> > Stefan Ziegler
> > Kantonsgeometer
> >
> > Amt für Geoinformation
> > Amtliche Vermessung
> > Rötistrasse 4
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> >
> > Telefon +41 32 627 75 96
> > Telefax +41 32 627 75 98
> > stefan.ziegler at bd.so.ch
> > http://www.so.ch
> >
> >
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