[OpenLayers-Users] Problems with layer order

[Andreas Hocevar]

On Mar 16, 2011, at 14:08 , Stefan Kemper wrote:

> Hi Andreas
> 
> thanks for your answer. Now I understand the behavior much more. It
> means that it is not posible to us z-index combined with a SelectFeature
> control over multiple Layers.
> 
> One question is still remaining: is it posible to change the order of
> the g-tags after the first initialisation?

Sure. Use OpenLayers.Map::setLayerIndex.

Andreas.

> 
> I am glad to hear from you.
> 
> Greetings
> Kempi
> 
> Am 16.03.11 01:04, schrieb 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 
>>> 
>>> --
>>> View this message in context: http://osgeo-org.1803224.n2.nabble.com/Problems-with-layer-order-tp6158137p6158137.html
>>> Sent from the OpenLayers Users mailing list archive at Nabble.com.
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>> 
>> 
> 

-- 
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.