Group

A group layer is a simulated layer that contains several layers. For a user, a group layer looks just like a normal layer in the legend. Sublayers are defined like regular layers, with the exception that their visibility must be explicitly set to true.

Property	Description
name	the unique name (a dummy name) of the layer. White spaces and special characters should be avoided.
title	title for the layer visible to the user.
abstract	short description of the layer. Adds a text in the legend. Optional.
type	type of source for the layer. For group layers the type is GROUP.
style	the name of the referenced style to be used for the layer. Only visible in the legend, not for styling the layer.
group	group the layer belong to. If group is not provided it will not be included in legend.
opacity	opacity of the layer. Value between 0 and 1. Default is 1.
visible	if the layer should be visible. Default is false.
extent	extent of the layer. Map extent is default.
removable	Adds a Remove layer option to the layer info menu if set to true. Optional.
zoomToExtent	Adds a Zoom To option to the layer info menu if set to true. Optional.
layers	the included layers. Defined as normal layers.
opacityControl	Adds an opacity slider in the legends extended layer info. Optional, defaults to true.
css	Used for adding CSS properties to layer canvas element. Formatted as key/value pairs.

Basic example group

{
  "name": "dummy_name",
  "title": "My layer",
  "group": "test",
  "style": "mask",
  "type": "GROUP",
  "layers": [
    {
      "name": "mywfs",
      "title": "My wfs",
      "source": "local_wfs",
      "style": "mask",
      "type": "WFS",
      "visible": true
    },
    {
      "name": "mywfs",
      "title": "My wfs",
      "source": "local_wfs",
      "style": "mask",
      "type": "WFS",
      "visible": true
    }
  ]
}