LayerSwitcher Control

• Class Definition: trunk/openlayers/lib/OpenLayers/Control/LayerSwitcher.js
• API Reference: http://openlayers.org/doc/reference.html#OpenLayers.Control.LayerSwitcher
• Family Tree:
  • OpenLayers.Control
    • OpenLayers.Control.LayerSwitcher
• Related Links: BaseLayersAndOverlays, BaseLayer, Overlay, Layer

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This is the control that allows the user to switch between BaseLayers and to hide and show Overlays

Minimizing and Maximizing

• When the control is first loaded, it starts out in minimized form:

• When the user clicks the plus sign, the LayerSwitcher is expanded to show its contents:

Hiding and Showing Layers

• Click on the radiobuttons or checkboxes or the layer name labels to hide and show the different Layers.
  Note that BaseLayers are mutually exclusive: you can only see one of them at a time. Ex: