This indicator is based on Donald L. Jones's book, "Value-Based Power Trading: Using the Overlay Demand Curve to Pinpoint Trends & Predict Market Turns". You may need to read it. The book is free, you can download it from his website(www.cisco-futures.com). There are also a lot of free stuff on his website that might be useful for you.
How it looks like
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| Market Profile - Multiple Composite Profiles |
Indicator Inputs
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| Market Profile - Composite Profiles Indicator Inputs |
I will update this post or create a new post for details on using this indicator.