Line Control (version 23)

Properties

• Name - a unique name used to reference the control in script *
• AggregateInterval - the amount of time within each interval over which the data is processed using an 'AggregateKind' (e.g. 15 minutes, 15m, 00:15:00)
• AggregateKind - the aggregate used to process the data over a given 'AggregateInterval'
• SourceTag - opens the 'ADD TRENDS' menu to link the control to a tag
• ValueTransform - transform data using the keyword, "value", as the variable tag within an expression (e.g. 3.14*Pow(value,2)). Calculations are performed using C# NCalc library. For more information on NCalc functions, click here.
• Color - sets the color of the line
• IsVisible - a checkbox to show or hide the control
• Limit - used to set a limit(s) on the control
  • Value - sets the limit to a static number or other 'SourceTag'
  • Comparison - choose between <, >, >=, <=, or =
  • Color - sets the color for the configured limit
• LineStyle - Solid, Dash, Dot
• LineThickness - sets the thickness of the line
• MarkerEnd - sets the style of the end point of the line: None, ArrowStart, ArrowEnd
• MarkerStart - sets the style of the start point of the line: None, ArrowStart, ArrowEnd
• OnBeginValueChange - used to trigger a script that runs immediately before the tag value changes *
• OnEndValueChange - used to trigger a script that runs immediately after the tag value changes *

* These properties are only available to admin users.

Functionality

Multiple points can be added or removed from a line by selecting a point on the line, then clicking the 'Add vertex' or 'Remove vertex' button in the bottom-right corner of the screen.