[OpenLayers-Dev] Rearranging stack order of layers

[Jason Lee]

Oops, let's make that example more generic(!)

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

map.raiseLayer(layer_e, -delta);
map.raiseLayer(layer_b, delta);
//===========================

Jason


On Fri, Aug 10, 2012 at 10:26 AM, Jason Lee <jaslee.st at gmail.com> wrote:

> 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.
>
> Jason
>
>
> 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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