[OpenMap Users] Query about Layers

From: Chan Kwang Mien <chankm_at_i2r.a-star.edu.sg>
Date: Wed, 02 Mar 2005 16:38:14 +0800


I would like to know how to replace an old layer with an updated layer.

Currently, I have modified the Demo Layer such that it reads from a
configuration file (like types of shapes, number of
shapes) for the shapes in Demo Layer, so when I select Demo from the Layers
Menu, the configuration file is
read and the the different shapes from the Demo Layer are displayed.

This configuration file will be updated later. I would like to display the
shapes based on the updated
configuration file by selecting Demo from the Layers Menu.

In other words, I want to refresh the images displayed by Demo Layer.
Could anyone tell me how that can be achieved ?

Thank you.

Kwang Mien

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Received on Wed Mar 02 2005 - 03:29:38 EST

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