Hi,

If I plot PCHANNEL - price channel indicator on the chart, then I get lines which I suppose there are the Highs & Lows over the period specified, Blue and Green Lines named Up/Low.

Now, I want call indicator from strategy code. I suppose the below the method to call, but I dont understand it.
If indicator plots Highs and Lows over period, why the method asks for MaType, fast and slow period and Applied price ?
Can you explain how I get called it called ? What it returns. I know about MINMAX indicator and the others but I want this. I looked in Indicators sections in PriceChannelIndicator source code and it internally uses MINMAX but I dont see why the method below needs fast/slow period and the others arguments. It would only need Period,OfferSide, timePeriod and shift. Is this the correct method to call ? Thank you.

double[] prchannel(Instrument instrument,
Period period,
OfferSide side,
IIndicators.AppliedPrice appliedPrice,
int fastPeriod,
int slowPeriod,
IIndicators.MaType maType,
Filter filter,
int numberOfCandlesBefore,
long time,
int numberOfCandlesAfter)
throws JFException

Also, what is the difference between MIDPOINT and MIDPRICE indicators ?. If I plot them wih same price/period they have identical lines.

Hi,
The method you mentioned does indeed require some redundant parameters, this will be fixed for the next release, meanwhile you can use the universal IIndicators.calculateIndicator method to call the Price Channel Indicator, i.e.

Object[] pchannel = indicators.calculateIndicator(Instrument.EURUSD, Period.ONE_HOUR, new OfferSide[] {OfferSide.ASK}, "PCHANNEL",  
             new AppliedPrice[] {}, new Object[]{5}, shift); 

Also, have a look at the following JForex Wiki article for more details: https://www.dukascopy.com/wiki/index.php ... Indicators
The first output is max High and the second is min Low.

MIDPOINT indicator lets you select a price type for calculations (i.e. Close price or Open price), MIDPRICE uses bar high and bar low in its calculations.