[OpenLayers-Users] need help figuring out WMTS parameters for simple webmap

[Donovan Cameron]

That example wasn't in the 2.11 exampels - having a look now.

I'm still curious though, how you go about finding the maxResolution
though....


On Thu, Feb 21, 2013 at 8:00 AM, Andreas Hocevar <ahocevar at opengeo.org>wrote:

> You may want to have a look at
> http://openlayers.org/dev/examples/mobile-wmts-vienna.js, which shows
> both how to configure WMTS layers manually and how to create them from
> a GetCapabilities response.
>
> OpenLayers.Layer.XYZ won't help you in most cases, because WMTS layers
> can have a different grid layout for each resolution.
>
> Andreas.
>
> On Thu, Feb 21, 2013 at 5:29 AM, Donovan Cameron <sault.don at gmail.com>
> wrote:
> > Hello OpenLayers List!
> >
> > My first time working with OL and I've been trying to get a WMTS[1] to
> load
> > in version 2.11 and feel like I'm getting close because it is grabbing
> > tiles, sort of...
> >
> > This is so that I can modify a plugin[2] for QGIS to let me load this
> WMTS
> > as a basemap.
> >
> > But I can't figure out what some of the needed parameters are - been
> trying
> > to interpret the GetCapabilities[1] xml and have figured some stuff out I
> > think.
> >
> > I'm using the OpenLayers.Layer.XYZ method because this WMTS use that
> form of
> > URL for requests:
> >
> http://maps.wien.gv.at/wmts/lb/{Style}/{TileMatrixSet}/{TileMatrix}/{TileRow}/{TileCol}.jpeg
> >
> > So under the OpenLayers.map part, I have...
> > maxExtent: new OpenLayers.Bounds(1799448.39, 6124949.74, 1848250.44,
> > 6162571.82)
> >
> > ...which I got from generating an extent polygon from the two x,y points
> > given by the Lower/UpperCorner in the TileMatrixSet.
> >
> > I don't know if that was the right way to get the bounds... but in
> QGIS[3]
> > it looks OK with overtop Google basemaps..
> >
> > So then I used that polygons centre x,y to fill out the setCenter option:
> > map.setCenter(new OpenLayers.LonLat(1823849.41, 6143760.78), 0);
> >
> > I don't know what to enter for the maxResolution or if I've set the two
> > options correctly:
> > sphericalMercator: false,
> > wrapDateLine: false,
> >
> > The file I'm trying to get working is openlayers/html/schnittstellen.html
> > and that is found in the zipfile[4] I uploaded to my dropbox.
> > All the other HTML files in that folder work as expected. When I open
> that
> > file, it grabs an empty white tile and this is the example URL:
> > http://maps1.wien.gv.at/wmts/lb/farbe/google3857/0/67/52.jpg
> >
> > But I don't know why it's not working - can someone help me figure this
> out
> > please? Thanks in advance.
> >
> > [1] http://maps.wien.gv.at/wmts/1.0.0/WMTSCapabilities.xml
> > [2] http://plugins.qgis.org/plugins/openlayers_plugin/
> > [3] http://susepaste.org/images/7ea74f53.jpeg
> > [4] https://dl.dropbox.com/u/33592962/outgoing/openlayers.zip
> >
> > _______________________________________________
> > Users mailing list
> > Users at lists.osgeo.org
> > http://lists.osgeo.org/mailman/listinfo/openlayers-users
> >
>
>
>
> --
> Andreas Hocevar
> OpenGeo - http://opengeo.org/
> Expert service straight from the developers.
>
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