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Updating the icons for the filters in a OC can take a long time when having many time series or using a long period in the filters.

Since 2016.01 the icon information can be pre-calculated and stored in the central database.

This workflow can be scheduled every hour so the filter icons are max one hour behind.

<workflow version="1.1" xmlns="http://www.wldelft.nl/fews" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.wldelft.nl/fews http://fews.wldelft.nl/schemas/version1.0/workflow.xsd">
	<activity>
		<predefinedActivity>time series status snap shot update</predefinedActivity>
	</activity>
</workflow>

 

To tell the OC to use the snapshot add to the explorer.xml

explorer version="1.1" xmlns="http://www.wldelft.nl/fews" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.wldelft.nl/fews http://fews.wldelft.nl/schemas/version1.0/explorer.xsd">
	<systemInformation>
		<description>WIS database</description>
		<systemCaption>$EXPLORER_SYSTEMCAPTION$</systemCaption>
	</systemInformation>
	<timeSeriesStatus>remotely updated snapshot</timeSeriesStatus>

 

With the F12 menu the snapshot can be updated manually in the central database from the OC. This is mainly for testing purposes

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