Hi,
Don't restrict the map options, but zoom to a defined extent with
map.zoomToExtent(extentGermany);
function init(){
var extentGermany = new
OpenLayers.Bounds(133400,5905800,2493900,7407700);
var options = {
controls:[], //create map without controls -> add them later
projection: new OpenLayers.Projection("EPSG:900913"),
displayProjection: new OpenLayers.Projection("EPSG:4326"),
units: "m",
numZoomLevels: 18,
maxResolution: 156543.0339,
maxExtent: new OpenLayers.Bounds(-20037508, -20037508, 20037508,
20037508.34)
};
map = new OpenLayers.Map('map', options);
osm= new OpenLayers.Layer.OSM("Basis Open Street Map");
var flaglayer = new OpenLayers.Layer.WMS("basic:gis_elemente",
"http://geoserver.domain.com:80/geoserver/basic/wms";,
{ layers: 'basic:gis_elemente',
transparent:true
}
);
map.addLayers([osm,flaglayer]);
map.addControl(new OpenLayers.Control.Navigation());
map.addControl(new OpenLayers.Control.MousePosition());
map.addControl(new OpenLayers.Control.LayerSwitcher());
map.addControl(new OpenLayers.Control.PanZoomBar());
map.zoomToExtent(extentGermany);
}
Delete the projection key in the WMS parameters. Projection is not a WMS
parameter.
The WMS projection parameter "SRS" will be set by OpenLayers with the
map.projection.
Viele Grüße,
Arnd
-----Ursprüngliche Nachricht-----
Von: [email protected]
[mailto:[email protected]] Im Auftrag von Gabriele
Seitz
Gesendet: Donnerstag, 8. September 2011 18:03
An: [email protected]
Betreff: [OpenLayers-Users] OSM and WMS problem using correct maxExtent,
maxResolution and projection
Hi,
i cannot get the features of my WMS onto the OSM-Map. THe nearest i can get
is this approach with the features laying in "Gulf of Guinea".
I need them in Germany, though.
Geoserver Layer-preview of WMS in firebug-DOM-tab shows:
- maxExtent=left-bottom=(6.798,48.141) right-top=(13.705,54.325),
- maxResolution=0.02698046875,
- projection=EPSG:900913
OSM layer-Properties in Firebug -DOM information show:
- maxExtent=left-bottom=(-20037508.3392,-20037508.3392)
right-top=(20037508.3392,20037508.3392),
- maxResolution =156543.0339,
- projection=EPSG:900913
Code:
function init(){
var extent=new OpenLayers.Bounds(6,48,13,55);
var options = {
//controls: [],
maxExtent: extent
,maxRsolution: 0.02698046875
,projection:"EPSG:900913"
};
map = new OpenLayers.Map('map', options);
var osm= new OpenLayers.Layer.OSM("Basis Open Street Map");
var flaglayer = new OpenLayers.Layer.WMS(
"basic:gis_elemente",
"http://geoserver.domain.com:80/geoserver/basic/wms";,
{
layers: 'basic:gis_elemente',
transparent:true,
projection: "EPSG:900913"
}
);
map.addLayers([ osm,flaglayer]);
map.addControl(
new OpenLayers.Control.LayerSwitcher(
{'div':OpenLayers.Util.getElement('layerswitcher')}
)
);
map.addControl(new OpenLayers.Control.MousePosition());
map.zoomToExtent(extent);
}
How do I fit maxExtent and maxResolution to show OSM and WMS correctly?
Thanks for answering.
Gabriele
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Extent-maxResolution-and-projection-tp6772420p6772420.html
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