[OpenLayers-Users] Is there an easy way to center and zoom the map automatically based on the placemarks that are on it?
Aaron E-J
azintirea at gmail.com
Tue Jul 3 17:21:13 PDT 2012
Do you have, or know where I could find, an example of this being
implemented on KML layer?
Aaron E-J
http://www.otherrealm.org
http://www.prospectdesigns.com
Vision without action is a daydream,
Action without vision is a nightmare,
One needs both to succeed.
On 7/3/2012 5:52 PM, Greg Allensworth wrote:
> On 7/3/2012 2:11 PM, Aaron E-J wrote:
>> Is there an easy way to center and zoom the map automatically based on
>> the placemarks that are on it?I have it so that one can filter
>> placemarks based on user input but I'm not sure how to dynamically
>> update the map to fit the newly filtered content.Thanks for any insight
>> that can be given regarding this matter.
>
> An OpenLayers.Layer.Markers instance, has a method called
> getDataExtent() This should do most of what you want.
>
> It's not automatic, though. You'd still need to call
> map.zoomToExtent() after the markers have been added to the layer.
>
> http://dev.openlayers.org/docs/files/OpenLayers/Layer/Markers-js.html
>
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