| //+------------------------------------------------------------------+
|
| //| DeMarker.mq5 |
|
| //| Copyright 2000-2025, MetaQuotes Ltd. |
|
| //| https://www.mql5.com |
|
| //+------------------------------------------------------------------+
|
| #property copyright "Copyright 2000-2025, MetaQuotes Ltd."
|
| #property link "https://www.mql5.com"
|
| #include <MovingAverages.mqh>
|
| //--- indicator settings
|
| #property indicator_separate_window
|
| #property indicator_buffers 5
|
| #property indicator_plots 1
|
| #property indicator_type1 DRAW_LINE
|
| #property indicator_color1 clrDodgerBlue
|
| #property indicator_level1 0.3
|
| #property indicator_level2 0.7
|
| //--- input parameters
|
| input int InpDeMarkerPeriod=14; // Period
|
| //--- indicator buffers
|
| double ExtDeMarkerBuffer[];
|
| double ExtDeMaxBuffer[];
|
| double ExtDeMinBuffer[];
|
| double ExtAvgDeMaxBuffer[];
|
| double ExtAvgDeMinBuffer[];
|
| //+------------------------------------------------------------------+
|
| //| Custom indicator initialization function |
|
| //+------------------------------------------------------------------+
|
| void OnInit()
|
| {
|
| //--- indicator buffers mapping
|
| SetIndexBuffer(0,ExtDeMarkerBuffer,INDICATOR_DATA);
|
| SetIndexBuffer(1,ExtDeMaxBuffer,INDICATOR_CALCULATIONS);
|
| SetIndexBuffer(2,ExtDeMinBuffer,INDICATOR_CALCULATIONS);
|
| SetIndexBuffer(3,ExtAvgDeMaxBuffer,INDICATOR_CALCULATIONS);
|
| SetIndexBuffer(4,ExtAvgDeMinBuffer,INDICATOR_CALCULATIONS);
|
| //--- set accuracy
|
| IndicatorSetInteger(INDICATOR_DIGITS,3);
|
| //--- sets first bar from what index will be drawn
|
| PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,InpDeMarkerPeriod);
|
| //--- name for DataWindow and indicator subwindow label
|
| string short_name=StringFormat("DeM(%d)",InpDeMarkerPeriod);
|
| IndicatorSetString(INDICATOR_SHORTNAME,short_name);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| DeMarker |
|
| //+------------------------------------------------------------------+
|
| int OnCalculate(const int rates_total,
|
| const int prev_calculated,
|
| const datetime &time[],
|
| const double &open[],
|
| const double &high[],
|
| const double &low[],
|
| const double &close[],
|
| const long &tick_volume[],
|
| const long &volume[],
|
| const int &spread[])
|
| {
|
| if(rates_total<InpDeMarkerPeriod)
|
| return(0);
|
|
|
| int i,start;
|
| //--- preliminary calculations
|
| if(prev_calculated==0)
|
| {
|
| ExtDeMaxBuffer[0]=0.0;
|
| ExtDeMinBuffer[0]=0.0;
|
| //--- filling out the array of True Range values for each period
|
| for(i=1; i<InpDeMarkerPeriod; i++)
|
| {
|
| if(high[i]>high[i-1])
|
| ExtDeMaxBuffer[i]=high[i]-high[i-1];
|
| else
|
| ExtDeMaxBuffer[i]=0.0;
|
|
|
| if(low[i-1]>low[i])
|
| ExtDeMinBuffer[i]=low[i-1]-low[i];
|
| else
|
| ExtDeMinBuffer[i]=0.0;
|
| }
|
| for(i=0; i<InpDeMarkerPeriod; i++)
|
| ExtDeMarkerBuffer[i]=0.0;
|
| start=InpDeMarkerPeriod-1;
|
| }
|
| else
|
| start=prev_calculated-1;
|
| //--- the main loop of calculations
|
| for(i=start; i<rates_total && !IsStopped(); i++)
|
| {
|
| if(high[i]>high[i-1])
|
| ExtDeMaxBuffer[i]=high[i]-high[i-1];
|
| else
|
| ExtDeMaxBuffer[i]=0.0;
|
|
|
| if(low[i-1]>low[i])
|
| ExtDeMinBuffer[i]=low[i-1]-low[i];
|
| else
|
| ExtDeMinBuffer[i]=0.0;
|
|
|
| ExtAvgDeMaxBuffer[i]=SimpleMA(i,InpDeMarkerPeriod,ExtDeMaxBuffer);
|
| ExtAvgDeMinBuffer[i]=SimpleMA(i,InpDeMarkerPeriod,ExtDeMinBuffer);
|
|
|
| double dnum=ExtAvgDeMaxBuffer[i]+ExtAvgDeMinBuffer[i];
|
| if(dnum!=0)
|
| ExtDeMarkerBuffer[i]=ExtAvgDeMaxBuffer[i]/dnum;
|
| else
|
| ExtDeMarkerBuffer[i]=0.0;
|
| }
|
| //--- OnCalculate done. Return new prev_calculated.
|
| return(rates_total);
|
| }
|
| //+------------------------------------------------------------------+
|
