The Overlay Layers section selects the layers inside the currently loaded overlay file.
—Reloads the overlay file, any changes made to the overlay will be lost .
—Overwrites overlay file with any changes made in the Map module.
—Restore default view
Active Layer:—Sets a specific overlay layer as the "Active Layer".
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Only items in this layer can be selected with the mouse.
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If the active layer is a read-only or associated layer, you will NOT be able to select any items
The Overlay tree control supports:
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Groups—Group's allow you to select / un-select multiple layers with one click
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Drag and Drop— Once a group has been created, selected layers can be added to a group using drag and drop.
To create an overlay group and add layers:
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Right click on root node and select add group
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Follow the prompts to add a group for similar layers
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