A ComposedCurve or ComposedTimeSeries is a curve or timeseries that takes its values from one element (column) of a Composer composition. Add one to an object to make a composition column available as ordinary data.
A worked example that builds the clean spark spread of a gas-fired plant, from a library template and by hand
Create your first composition from a library template, run it, change it and save it
Columns, expressions, worksheet properties, conversion and display settings of a composition
An introduction to Composer, the extension for building analytic worksheets of curves and timeseries