[OpenLayers-Dev] Rearranging stack order of layers

Jason Lee jaslee.st at gmail.com
Fri Aug 10 02:26:07 PDT 2012

Don't know if it is the best solution, but I am now using
"map.raiseLayer()" like so:-

lyrNum = 2;
var delta = map.getNumLayers() - lyrNum;

map.raiseLayer(layer, -delta);
map.raiseLayer(netLayer, delta);

This seems to do the trick.


On Fri, Aug 10, 2012 at 9:55 AM, Jason Lee <jaslee.st at gmail.com> wrote:

> Hi,
> I have an OpenLayers application which initially has 4 layers, called
> (a),(b),(c) & (d). The app then allows the creation of a new layer (e)
> which I want it to "swap" places with layer (b) so that the order should be
> (a),(e),(c),(d),(b).
> I use the map.setLayerIndex and layer.getZIndex to try and do this but I
> realise that the layers are in a FIFO like queue, so when I temporarily
> re-assign layer (b) the other layers automatically reorder themselves to
> (a),(c),(d),(e) ...or at least that's what I think it happening.
> Could anyone show me how I can simply swap the z-order of 2 layers?
> Thanks
> Jason
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