Hi,
you've got 2 Navigation controls in your control list.
Best regards,
Bart
On Jun 9, 2010, at 1:21 AM, Alessandro Ferrucci wrote:
> Hello,
> I have a map and when I zoom using the mouse wheel the map zooms by 2 zoom
> levels instead of 1 when I move the mouse wheel slightly.
>
> instead if I double click the map or click up or down on the zoom control it
> zooms in or out by 1 zoom level.
>
> Here is the relevant code:
>
> map = new OpenLayers.Map(
> 'map',
> {
> 'maxResolution':'auto',
> 'tileSize':new OpenLayers.Size(200,200),
> maxExtent: new OpenLayers.Bounds(-180, -90, 180, 90),
> controls:[
> new OpenLayers.Control.Navigation(),
> new OpenLayers.Control.ArgParser(),
> new OpenLayers.Control.Attribution(),
> new OpenLayers.Control.PanZoomBar({ position: new
> OpenLayers.Pixel(2, 15) }),
> new OpenLayers.Control.Navigation(),
> new OpenLayers.Control.Scale($('scale')),
> new OpenLayers.Control.LayerSwitcher(),
> new OpenLayers.Control.MousePosition(),
> new OpenLayers.Control.Permalink()
> ]
> }
> );
>
> layer0 = new OpenLayers.Layer.WMS(
> "CIRA Base Layer", urlArray,
> {
> layers:'cira_base',
> format:'image/png',
> bgcolor: '#99B3CC'
> },
> {singleTile:false, transitionEffect: 'resize'}
> );
>
> map.addLayers([layer0]);
>
> map.zoomToMaxExtent();
>
> map.setCenter(new OpenLayers.LonLat(-100.42306,40.35960),1);
>
> Any ideas as to why this would be happening?
>
> thank you very much!
>
> --
> Signed,
> Alessandro Ferrucci
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