Real author: TrendLaboratory
A trend indicator of NRTR type with an additional middle line.
//+----------------------------------------------+ //| Indicator input parameters                 | //+----------------------------------------------+ input uint    Length=10;            // ATR period input double  Kv=0.9;                // Indicator sensitivity factor input double  Percentage=0;          // Middle line approaching the extreme lines input Method  HighLow=MODE_HighLow;  // Indicator calculation by High/Low or Close
Fig. 1. Skyscraper