[OpenLayers-Users] Panning button in the editing toolbar re-enables zoom via scroll wheel

Christopher Dale chrelad at gmail.com
Fri Aug 21 11:47:41 EDT 2009


Hi everyone,

I thought maybe an example of what I'm talking about might help
everyone here get an idea of what I'm talking about.

http://yfrog.com/74openlayers1g

Let me know what you think and thanks again,

Chrelad

On Fri, Aug 21, 2009 at 10:03 AM, Christopher Dale<chrelad at gmail.com> wrote:
> Hi everyone,
>
> Couple things :)
>
> First off, I found that zooming with the scroll wheel can cause some
> big headaches. Here are some of the things I ran into while zooming in
> and out and panning. Note that all tests were done with Firefox 3 +
> OpenLayers SVN + Virtual Earth base tiles + Spherical mercator +
> vector layer.
>
> - When you zoom with your scroll wheel, the map zooms in, but vector
> features appear (sometimes) offset from their proper location
> (left/right).
> - Rolled forward one click which zoomed in properly, panned left. When
> I lifted my finger off left mouse button to stop panning left, the map
> zoomed in again one zoom level.
>
> I eventually just disabled zooming using the zoomWheelEnabled property
> for the Navigation control. This works great, until I draw a feature
> and then click the navigation button in the editing toolbar. I know
> for a fact that the problem begins when you click the navigation
> button in the editing toolbar.
>
> Could anyone recommend either a way to get zooming via the scroll
> wheel to work properly (ie. fixing the top-most two bugs) or getting
> the pan button to not re-enable scroll wheel zooming?
>
> Thanks team OpenLayers!
>
> Chrelad
>



More information about the Users mailing list