[OpenLayers-Users] mousewheel jumps two zoom levels

[Daniel Behr]

I'm facing a similar problem, but for my app its a cross-browser issue 
on windows machines only! on linux its fine and the map has only one 
Navigation Control.

does this help to spot the problem?

Daniel

Am 26.01.2012 16:25, schrieb Andreas Hocevar:
> My guess is that you have two Navigation controls. One that is added
> to the map by default unless you configure it with your custom array
> of controls, and the navControl you added.
>
> You can check in the javascript console by trying
>
> map.getControlsByClass("OpenLayers.Control.Navigation");
>
> and see if it returns an array of length 1 or 2.
>
> The obvious fix is to configure the map with your own default set of controls.
>
> Andreas.
>
> On Thu, Jan 26, 2012 at 3:29 PM, Vidal, Antoni<antoni.vidal at icc.cat>  wrote:
>> Hi list,
>>
>>
>>
>> I’ve an OpenLayers.control.Navigation with following config options:
>>
>>
>>
>>          var navControl = new OpenLayers.Control.Navigation({
>>
>>              type: OpenLayers.Control.TYPE_TOGGLE,
>>
>>              zoomWheelEnabled: true,
>>
>>              mouseWheelOptions: {interval: 1}
>>
>>          });
>>
>>
>>
>> But when user changes map zoom level using mousewheel, map zoomlevel jumps
>> from 0 to 2 and then to 4, etc.
>>
>>
>>
>> Is possible to change this behaviour and force change zoomlevel one by one ?
>>
>>
>>
>> Thanks in advance.
>>
>>
>>
>> Antoni Vidal
>>
>> Unitat d'Aplicacions SIG-WEB
>> Institut Cartogràfic de Catalunya
>> Parc de Montjuïc, E-08038 Barcelona
>> Tel. (+34) 93 567 15 00 (ext. 3228)
>> www.icc.cat
>>
>>
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/openlayers-users
>>
>
>
>

-- 
Daniel Behr
Institut für Küstenforschung
WebGIS Entwicklung
+49 (0)4152 87 1589 (fax -1596)
Daniel.Behr at hzg.de
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