[OpenLayers-Users] Features shift away from cursor on mouse scroll on google mercator maps

Andreas Hocevar ahocevar at opengeo.org
Wed Dec 7 12:39:04 EST 2011


Must be something in your application, but I haven's seen this
behavior before. See http://openlayers.org/dev/examples/google-v3.html
for a minimal example where it works fine.

Andreas.

On Tue, Dec 6, 2011 at 7:15 AM, Tim Sutton <tim at linfiniti.com> wrote:
> Hi All
>
> I am experiencing an issue with mousewheel zoom in and out. In this
> example[1] which is based on EPSG:4326, when I hold my mouse over a
> place and zoom in using the scroll wheel, the original position
> remains under the cursor at the new zoom level. In my own project[2]
> which is based on EPSG:900913 and uses google maps v3 as a backdrop, I
> don't get this behaviour. For example holding your mouse over Cape
> Town and then scrolling in will result in the cursor being located out
> at sea after the scroll event has completed.
>
> Has anyone experienced this problem before? Is there any work around
> of fix readily available before I start trying to roll my own? I am
> using OpenLayers 2.11 by the way.
>
> [1] http://dev.openlayers.org/releases/OpenLayers-2.11/examples/navigation-control.html
> [2] http://farminfo.co.za/
> --
> Tim Sutton - QGIS Project Steering Committee Member (Release  Manager)
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-- 
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.


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