[OpenLayers-Users] Re: overlaying tiled WMS on top of bing

Andreas Hocevar ahocevar at opengeo.org
Thu Jan 26 14:47:50 EST 2012


You didn't make the changes that we recommended. The key to solving
this is the maxExtent on the WMS layer. Here's a fiddle with a
simplified version of your code and your layer, to show that it works:
http://jsfiddle.net/ZVaXh/

It doesn't matter if it's Bing or OSM, you have to configure your WMS
layer the right way.

Andreas.

On Thu, Jan 26, 2012 at 8:35 PM, Kjel Anderson
<kanderson at truevectortech.com> wrote:
> You know, Bing is incidental in this whole thing. I'd rather be using OSM as
> the background layer but I couldn't get that to work at all. Does anyone
> have a working example of this with any base layer?
>
>
> On Thu, Jan 26, 2012 at 11:32 AM, Kjel Anderson
> <kanderson at truevectortech.com> wrote:
>>
>> That's still not doing it but I'm noticing that the layers turns on when I
>> pan to the edge of the map. What controls that?
>>
>>
>> On Thu, Jan 26, 2012 at 11:28 AM, Andreas Hocevar <ahocevar at opengeo.org>
>> wrote:
>>>
>>> You still forgot to set the maxExtent on your WMS layer!
>>>
>>> Andreas.
>>>
>>> On Thu, Jan 26, 2012 at 8:11 PM, Kjel Anderson
>>> <kanderson at truevectortech.com> wrote:
>>> > Hmmm. No dice with these changes incorporated. I'm not sure what is
>>> > going
>>> > on. For the curious there is a live link here:
>>> >
>>> > http://truevector.skygone.net:8080/DWTEdstest/
>>> >
>>> >
>>> > On Thu, Jan 26, 2012 at 10:50 AM, Andreas Hocevar
>>> > <ahocevar at opengeo.org>
>>> > wrote:
>>> >>
>>> >> Hi,
>>> >>
>>> >> you put most layer options in the layer params object, and you should
>>> >> set the maxExtent on the WMS layer. Something like
>>> >>
>>> >>            tiled = new OpenLayers.Layer.WMS(
>>> >>                "dwt_lata_proj - Untiled",
>>> >> "http://localhost:8080/geoserver/wms",
>>> >>                {
>>> >>                    layers: 'DWT:dwt_lata_proj',
>>> >>                    styles: '',
>>> >>                    format: format,
>>> >>                    transparent:true,
>>> >>                }, {
>>> >>                    numZoomLevels:19,
>>> >>                    maxExtent: new OpenLayers.Bounds(
>>> >>                        -19840232, 2028971.375,
>>> >>                        -7262943, 11534410
>>> >>                    ),
>>> >>                    minResolution:0.5971642833948135,
>>> >>                    maxResolution:156543.03390625,
>>> >>                    singleTile: true,
>>> >>                    ratio: 1
>>> >>                }
>>> >>            );
>>> >>
>>> >> The above should work both with singleTile: true and without.
>>> >>
>>> >> Andreas.
>>> >>
>>> >> On Thu, Jan 26, 2012 at 7:44 PM, Kjel Anderson
>>> >> <kanderson at truevectortech.com> wrote:
>>> >> > Looking at it now I see the version that is working "best" is with
>>> >> > the
>>> >> > wms
>>> >> > layer being untiled.
>>> >> >
>>> >> >   function init(){
>>> >> >                 // if this is just a coverage or a group of them,
>>> >> > disable a
>>> >> > few items,
>>> >> >                 // and default to jpeg format
>>> >> >                 format = 'image/png';
>>> >> >
>>> >> >
>>> >> >                 var bounds = new OpenLayers.Bounds(
>>> >> >                     -19840232, 2028971.375,
>>> >> >                     -7262943, 11534410
>>> >> >                 );
>>> >> >                 var options = {
>>> >> >                     controls: [],
>>> >> >                     maxResolution: 49130.03515625,
>>> >> >                     projection: "EPSG:900913",
>>> >> >                     units: 'm'
>>> >> >                 };
>>> >> >                 map = new OpenLayers.Map('map', options);
>>> >> >
>>> >> >             var road = new OpenLayers.Layer.Bing({
>>> >> >                 name: "Road",
>>> >> >                 key: apiKey,
>>> >> >                 type: "Road"
>>> >> >             });
>>> >> >             var hybrid = new OpenLayers.Layer.Bing({
>>> >> >                 name: "Hybrid",
>>> >> >                 key: apiKey,
>>> >> >                 type: "AerialWithLabels"
>>> >> >             });
>>> >> >             var aerial = new OpenLayers.Layer.Bing({
>>> >> >                 name: "Aerial",
>>> >> >                 key: apiKey,
>>> >> >                 type: "Aerial"
>>> >> >             });
>>> >> >
>>> >> >             map.addLayers([road, hybrid, aerial]);
>>> >> >
>>> >> >             tiled = new OpenLayers.Layer.WMS(
>>> >> >                 "dwt_lata_proj - Untiled",
>>> >> > "http://localhost:8080/geoserver/wms",
>>> >> >                 {
>>> >> >                     width: '512',
>>> >> >                     srs: 'EPSG:900913',
>>> >> >                     layers: 'DWT:dwt_lata_proj',
>>> >> >                     height: '386',
>>> >> >                     styles: '',
>>> >> >                     format: format,
>>> >> >                     transparent:true,
>>> >> >                     numZoomLevels:19,
>>> >> >                     minResolution:0.5971642833948135,
>>> >> >                     maxResolution:156543.03390625
>>> >> >                 },
>>> >> >                 {singleTile: true, ratio: 1}
>>> >> >             );
>>> >> >
>>> >> >             map.addLayer(untiled);
>>> >> >
>>> >> >             // build up all controls
>>> >> >             map.addControl(new OpenLayers.Control.PanZoomBar({
>>> >> >                 position: new OpenLayers.Pixel(2, 15)
>>> >> >             }));
>>> >> >             map.addControl(new OpenLayers.Control.Navigation());
>>> >> >             map.addControl(new
>>> >> > OpenLayers.Control.Scale($('scale')));
>>> >> >             map.addControl(new
>>> >> > OpenLayers.Control.MousePosition({element:
>>> >> > $('location')}));
>>> >> >             map.addControl(new OpenLayers.Control.LayerSwitcher());
>>> >> >
>>> >> > On Thu, Jan 26, 2012 at 10:33 AM, maw269 <maw269 at gmail.com> wrote:
>>> >> >>
>>> >> >> Is your bing layer imagery? I've had nothing but issues combining
>>> >> >> layers
>>> >> >> with
>>> >> >> Bing Imagery layers.
>>> >> >> Anyhow, can you post the relevant code so we could take a look?
>>> >> >> --Matt
>>> >> >>
>>> >> >> --
>>> >> >> View this message in context:
>>> >> >>
>>> >> >>
>>> >> >> http://osgeo-org.1560.n6.nabble.com/overlaying-tiled-WMS-on-top-of-bing-tp4341145p4341275.html
>>> >> >> Sent from the OpenLayers Users mailing list archive at Nabble.com.
>>> >> >> _______________________________________________
>>> >> >> Users mailing list
>>> >> >> Users at lists.osgeo.org
>>> >> >> http://lists.osgeo.org/mailman/listinfo/openlayers-users
>>> >> >
>>> >> >
>>> >> >
>>> >> > _______________________________________________
>>> >> > 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.
>>> >
>>> >
>>> >
>>> > _______________________________________________
>>> > 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.
>>
>>
>



-- 
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.


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