l_layer_index: Get the order index of a layer among its siblings
Description
The index determines the rendering order of the children layers
of a parent. The layer with index=0 is rendered first.
Usage
l_layer_index(widget, layer)
Arguments
- widget
widget path or layer object of class 'l_layer'
- layer
layer id. If the widget argument is of class 'l_layer'
then the layer argument is not used
Details
Note that the index for layers is 0 based.