【解説】【MQL5 community】 Up and Down Indicator: 出来高の増減の大きさにより、色を変える。 終値が始値よりも大きい場合には、上向きの棒で、次の色を使う。 SpringGreen, LimeGreen, Green, DarkGreen,
逆に終値が始値よりも低い場合には、下向きの棒で、次の色を使う。 LightSalmon, OrangeRed, Crimson, Maroon
//+------------------------------------------------------------------+
//| K_iUpDown.mq5 |
//| Copyright Karlis Balcers |
//| http://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Karlis Balcers"
#property link "http://www.mql5.com"
#property version "1.00"
#property indicator_separate_window
#property indicator_buffers 5
#property indicator_plots 1
#property indicator_type1 DRAW_COLOR_CANDLES
#property indicator_color1 SpringGreen,LimeGreen,Green,DarkGreen,LightSalmon,OrangeRed,Crimson,Maroon
input string comment="Index from 1-10 to increase sensitivity.";
input int tick_volume_index=7;
double ExtOpenBuffer[];
double ExtHighBuffer[];
double ExtLowBuffer[];
double ExtCloseBuffer[];
double ExtColorsBuffer[];
long total_vol=0;
long count_bars=0;
long passNo=0;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int OnInit()
{
SetIndexBuffer(0,ExtOpenBuffer,INDICATOR_DATA);
SetIndexBuffer(1,ExtHighBuffer,INDICATOR_DATA);
SetIndexBuffer(2,ExtLowBuffer,INDICATOR_DATA);
SetIndexBuffer(3,ExtCloseBuffer,INDICATOR_DATA);
SetIndexBuffer(4,ExtColorsBuffer,INDICATOR_COLOR_INDEX);
PlotIndexSetInteger(0,PLOT_SHOW_DATA,false);
IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
IndicatorSetString(INDICATOR_SHORTNAME,"K_iUpDown");
total_vol=0;
count_bars=0;
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,// size of input timeseries
const int prev_calculated, // bars handled in previous call
const datetime& time[], // Time
const double& open[], // Open
const double& high[], // High
const double& low[], // Low
const double& close[], // Close
const long& tick_volume[], // Tick Volume
const long& volume[], // Real Volume
const int& spread[] // Spread
)
{
int i=0;
bool vol_up=true;
passNo++;
if(i＜prev_calculated) i=prev_calculated-1;
while(i＜rates_total)
{
if(i!=0)//Do not count the first bar.
{
total_vol+=tick_volume[i];
count_bars++;
}
double x=0;
if(count_bars==0)
{
x=tick_volume[i]*100/tick_volume_index;
}
else
{
double avg_vol=total_vol/count_bars;
x=tick_volume[i]*100/(avg_vol*tick_volume_index);//Get %
}
int col=0;
if(x>0)col=0;
if(x>25)col=1;
if(x>50)col=2;
if(x>75)col=3;
if(open[i]＜close[i])//UP
{
ExtColorsBuffer[i]=col;
}
else//DOWN
{
ExtColorsBuffer[i]=4+col;
}
ExtOpenBuffer[i]=0;//open[i];
ExtHighBuffer[i]=high[i]-open[i];
ExtLowBuffer[i]=low[i]-open[i];
ExtCloseBuffer[i]=close[i]-open[i];
i++;
}
return(rates_total);
}
//+------------------------------------------------------------------+
【表示結果】
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