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This 'extraction on startup' will only take place once, unless the ModuleDataSet file has been changed (in the case of the jcef.zip file, this is not likely). This is the new way of distributing ModuleDataSet files on startup. More info, please check the details here.
Displaying Content
To display content in the Web Browser Display,topology nodes can be extended with an optional url. In the following example, the FEWS wiki has been configured with the url http://www.deltares.nl.
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