MACD Histogram WIS

MACD lines and histogram for the Impulse trading system.
The idea:

• Histogram down (current value less than previous) and line (specified by Line input) does down, the histogram is red - long trades are prohibited;
• Histogram up (curerent value greater than previous) and line up, the histogram is green - short trades are prohibited;
• Histogram down and line up (or reverse case) histogram is grey -no restrictions;

The Inertia is defined by Line input parameter:

• 0 - MA(MAPeriod);
• 1 - MACD line;
• 2 - Signal signal line.

Other input parameters:

• FastMA - Period of Fast Moving Average;
• SlowMA - Period of Slow Moving Average;
• SignalMA - Period of the Signal Line;
• MAPeriod - Period of Moving Average if Line = 0;