[OpenLayers-Users] Problems with layer order

[Andreas Hocevar]

Hi,

OpenLayers only groups vector layers into one svg root when you use a SelectFeature control with multiple layers and have it activated. Otherwise, each layer has its html div and its own svg root.

Cheers,
Andreas.

On Mar 10, 2011, at 10:24 , Kempi wrote:

> Hello...
> 
> I'am new with openlayers and could make a lot of things. But one thing is
> strange and I don't understand it:
> 
> If I add my vector layers they are normally all in one svg image. Each layer
> has its own g-tag. Thats nice... but if it is so the function on the layer
> setZIndex dosen't have any effect. This is logical because the z-index match
> on the hole svg-image.
> 
> Question 1:
> But how can i change the g-tags order in the image if I like to change that
> after the initiation process?
> 
> Question 2:
> If I add a layer after a while, openlayers put them into a separated svg
> image. Thats nice because than I can work with z-indexes but the div of that
> new svg is greater then the visible part of the svg image. That is the
> reason why I can't work with mouseover events on the svg image under the new
> svg image I made. How dose the openlayerscript decide when it makes a new
> svg image and do I have the posibility to affect the behavior of OpenLayers?
> 
> I would be glad to get some help with these questions.
> 
> regards
> Kempi 
> 
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-- 
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.