Function getLayerTree

JMap.Layer.getLayerTree

Returns project's layer tree.

The layer tree is an array of tree element.

A tree element is a layer group or a layer.

A layer group contains layer and/or other layer group, and has a negative id.

A layer has a positive id.

If no project is loaded, returns an empty array.

Example

// returns the entire layer tree of the project
JMap.Layer.getLayerTree()
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