[OpenLayers-Users] Zooming to an extend via link outside map viewport

[Heidt, Christopher M.]

Define map globally outside init, and set its value within.

Var map;
Function init()
{
	map = new OpenLayers.......bla bla bla
}

Now you can use map anywhere.

As you get more advanced with js you can learn about closures
and design getter functions, but this should work for now.


-----Original Message-----
From: users-bounces at openlayers.org [mailto:users-bounces at openlayers.org] On Behalf Of Max Stephan
Sent: Sunday, March 22, 2009 9:58 AM
To: users at openlayers.org
Subject: [OpenLayers-Users] Zooming to an extend via link outside map viewport


Hey everybody,

I want to place a link outside the map which zooms to a specified extent (something like "javascript: map.zoomToExtent(new OpenLayers.Bounds(1,2,3,4))" as a link in the body). But it´s logically not that easy because I have to get access to the map-variable that is unfortunately in the init-function.

So I tried several things. For example I defined a function named "zoom"
which contains "map.zoomToExtent(1,2,3,4);" in it´s body but that´s not working at all. The only way that worked was to empty the map-div-container via "document.getElementById('map').innerHTML="";" and to run the function init with the new bounds as a parameter afterwards.

Does anyone know a more elegant way than reloading the complete init-function?

Thx in advance
Max Stephan
--
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