Page Comparison

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When navigating within Periscope you're either at the top-level (Image RemovedImage Added or click on the Periscope icon) or viewing a specific context, which is displayed in the navigation bar.  The top level can be thought of as a global view level - any view on this level can contain information about the entire system.  The top level is a good place for a database view an Alarm View, a Map View or a dashboard that may compare sites across the entire system.  

From the top-level, one can begin navigating the hierarchy by clicking on the () icon.  This will drop down a list of elements in the hierarchy which can then be navigated into selected, similar to a a typical tree chart.

Context

"Context" is an important concept in Periscope and is defined as the currently selected hierarchy item.  For example, if you used the navigation bar to reach a site called "AtkinsBuilding_X" your context is "AtkinsBuilding_X", or more specifically, the ID of the Atkins Building_X component.  One reason this is important is because views within Periscope are "context sensitive" and can be reused as the context changes across the same hierarchy level.  For example, one dashboard can be created which works across every site, as Periscope will copy the layout and settings, while maintaining the context-dependent data within the Views and Viewlets.  The user can then switch sites using the navigation bar and each viewlet within the dashboard will dynamically update to the new context.