generated from LengKundee/UA6-9V_VL6-N9
86 lines
3 KiB
MQL5
86 lines
3 KiB
MQL5
//+------------------------------------------------------------------+
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//| NetVolume.mq5 |
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//| Copyright 2024, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2024, MetaQuotes Ltd."
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#property link "https://www.mql5.com"
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#property version "1.00"
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#property indicator_separate_window
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#property indicator_buffers 1
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#property indicator_plots 1
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//--- plot ExtNV
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#property indicator_label1 "NV"
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#property indicator_type1 DRAW_LINE
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#property indicator_color1 clrBlue
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#property indicator_style1 STYLE_SOLID
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#property indicator_width1 1
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//--- input parameters
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input ENUM_APPLIED_VOLUME InpVolume = VOLUME_TICK; // Volume
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//--- indicator buffers
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double ExtBufferNV[];
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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//--- indicator buffers mapping
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SetIndexBuffer(0,ExtBufferNV,INDICATOR_DATA);
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//--- setting buffer arrays as timeseries
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ArraySetAsSeries(ExtBufferNV,true);
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//--- setting the short name and levels for the indicator
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IndicatorSetString(INDICATOR_SHORTNAME,"Net Volume");
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IndicatorSetInteger(INDICATOR_LEVELS,1);
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IndicatorSetDouble(INDICATOR_LEVELVALUE,0, 0.0);
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//--- success
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return(INIT_SUCCEEDED);
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}
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//+------------------------------------------------------------------+
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//| Custom indicator iteration function |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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//--- checking for the minimum number of bars for calculation
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if(rates_total<2)
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return 0;
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//--- setting predefined indicator arrays as timeseries
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ArraySetAsSeries(close,true);
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ArraySetAsSeries(volume,true);
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ArraySetAsSeries(tick_volume,true);
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//--- checking and calculating the number of bars to be calculated
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int limit=rates_total-prev_calculated;
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if(limit>1)
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{
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limit=rates_total-2;
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ArrayInitialize(ExtBufferNV,EMPTY_VALUE);
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}
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//--- calculation Net Volume
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for(int i=limit; i>=0; i--)
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{
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double v=close[i]-close[i+1];
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char sign=(v<0 ? -1 : v>0 ? 1 : 0);
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ExtBufferNV[i]=double(sign*(InpVolume==VOLUME_TICK ? tick_volume[i] : volume[i]));
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}
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//--- return value of prev_calculated for next call
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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