[OpenLayers-Dev] ol3 - projection issues

[Tim-Hinnerk Heuer]

Yes, I noticed after I've sent it, but Eric had already answered my
question.  Thanks anyway though!

Tim-Hinnerk Heuer

Twitter: @geekdenz
Blog: http://www.thheuer.com


On 7 May 2013 02:52, Andreas Hocevar <ahocevar at opengeo.org> wrote:

> You forgot to specify the projection in the View2D settings. See
> http://ol3js.org/en/master/examples/wms-custom-proj.html for a working
> example.
>
> Also note that OL3 questions should be asked at
> https://groups.google.com/d/forum/ol3-dev.
>
> Andreas.
>
> On Fri, May 3, 2013 at 1:51 AM, Tim-Hinnerk Heuer <th.heuer at gmail.com>
> wrote:
> > Hi,
> >
> > I'm wanting to include our WMS-V project into (at least) my development
> > version of ol3.  However, I have a couple of issues.  The main one is
> that I
> > cannot get our WMS to display.  Apparently, it is using the wrong EPSG
> code
> > (as verified by looking at the requests), even though I defined it
> similarly
> > to the custom projection example.
> >
> > We are using EPSG:2193 which is the projection of our data and is not
> > trivial to change.
> >
> > The relevant portion in the HTML is:
> >
> > <script src="
> http://ourenvironment.scinfo.org.nz/js/OpenLayers/proj4js.js"
> > type="text/javascript"></script>
> >     <script
> > src="http://ourenvironment.scinfo.org.nz/js/OpenLayers/defs/EPSG2193.js"
> > type="text/javascript"></script>
> >     <script src="loader.js?id=wms-v" type="text/javascript"></script>
> >
> > I have the following code in my example:
> >
> > goog.require('ol.Attribution');
> > goog.require('ol.Map');
> > goog.require('ol.RendererHints');
> > goog.require('ol.View2D');
> > goog.require('ol.layer.ImageLayer');
> > goog.require('ol.projection');
> > goog.require('ol.source.SingleImageWMS');
> > goog.require('ol.source.TiledWMS');
> >
> > var layers = [
> >   new ol.layer.TileLayer({
> >     source: new ol.source.TiledWMS({
> >       url: 'http://maps.scinfo.org.nz/basemaps/wms?',
> >       params: {
> >           'LAYERS': 'landscape_eco_painted_relief',
> >           'TILED': true,
> >           'VERSION': '1.1.1'
> >       },
> >       extent: [1000000, 4700000.0000001, 2200000, 6300000]
> >     })
> >   })
> > ];
> > var projection = ol.projection.configureProj4jsProjection({
> >   code: 'EPSG:2193',
> >   extent: [1000000, 4700000.0000001, 2200000, 6300000],
> >   units: 'm'
> > });
> > var map = new ol.Map({
> >   //renderer: ol.RendererHint.CANVAS,
> >   renderer: ol.RendererHint.DOM,
> >   projection: projection,
> >   layers: layers,
> >   target: 'map',
> >   view: new ol.View2D({
> >     center: [1600000, 5500000],
> >     zoom: 4
> >   })
> > });
> >
> > However, it doesn't work as expected.  The requests are going to for
> > example:
> >
> http://maps.scinfo.org.nz/basemaps/wms?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&FORMAT=image%2Fpng&TRANSPARENT=true&WIDTH=256&HEIGHT=256&LAYERS=landscape_eco_painted_relief&TILED=true&STYLES=&SRS=EPSG%3A3857&BBOX=2504688.542848654%2C5009377.085697312%2C5009377.08569731%2C7514065.628545968
> > which is obviously the wrong projection.
> >
> > Note: When I zoom out a lot, I can see a faint hint of New Zealand, so it
> > seems like it could work.
> >
> > Any help would be much appreciated.
> >
> > Regards,
> > Tim
> >
> > Tim-Hinnerk Heuer
> >
> > Twitter: @geekdenz
> > Blog: http://www.thheuer.com
> >
> > _______________________________________________
> > Dev mailing list
> > Dev at lists.osgeo.org
> > http://lists.osgeo.org/mailman/listinfo/openlayers-dev
> >
>
>
>
> --
> Andreas Hocevar
> OpenGeo - http://opengeo.org/
> Expert service straight from the developers.
>
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