On Tue, Oct 20, 2009 at 12:45:12PM +0200, Heiko Schröter wrote:
> Hello,
>
> on Google Layers (api Ver 2) the Navigation Pan/Drag seems to be broken.
> It hapens with OL 2.7 and OL 2.8.
>
> All other WMS Base Layers with different projections (epsg:4326,
> 900913,32665...) do work ok.
> Is there anything special in setting up the Google Layers with PAN/DRAG
> enabled ?
> Anything special about the Extents ?
>
> Heiko
>
>
> <snip>
> var myoptions = {
> eventListeners: {
> "changebaselayer": mapBaseLayerChanged
> },
> projection: new OpenLayers.Projection("EPSG:900913"),
> displayProjection: new OpenLayers.Projection("EPSG:4326"),
> units: "dd",
> maxResolution: 'auto',
> maxExtent: new OpenLayers.Bounds(-180,-90,180,90),
^^ wrong, or at least needs to be overridden on the Google layer.
set it to the max extent of the globe in meters.
> controls: [
> new OpenLayers.Control.PanZoom(),
> new OpenLayers.Control.Navigation(),
> new OpenLayers.Control.MousePosition({"numDigits": 2}),
> new OpenLayers.Control.LayerSwitcher(),
> new OpenLayers.Control.Attribution()
> ],
>
> numZoomLevels: 5
> };
> map = new OpenLayers.Map('map', myoptions);
>
> var ggsat = new OpenLayers.Layer.Google(
> "Google Satellite",
> {type: G_SATELLITE_MAP,
> numZoomLevels: 8,
> maxResolution: 156543.0339,
> 'sphericalMercator': true});
>
> make_base_layers.push(ggsat);
>
> var epsg4326layer = new OpenLayers.Layer.WMS( "EPSG:4326",
> http_mapserver,
> {map: mapfile,
> layers:
> "KARTE,GRID,COPYRIGHT,LOGO",
> format: 'image/png',
> transparent: false },
> {singleTile:true, isBaseLayer:
> true,
> wrapDateLine: true,
> attribution: 'ESRI',
> projection: new
> OpenLayers.Projection("EPSG:4326"),
> maxExtent: new
> OpenLayers.Bounds(xxxmin,yyymin,xxxmax,yyymax),
> restrictedExtent: new
> OpenLayers.Bounds(xxxmin,yyymin,xxxmax,yyymax),
> maxResolution: 'auto',
> numZoomLevels: 6,
> queryable: true});
>
> make_base_layers.push(epsg4326layer);
>
> <snap>
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--
Christopher Schmidt
MetaCarta
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