TDI-2 趋势指标

Direction · 发表于 2014-10-24 06:30

图示：

代码：

TDI-2 趋势指标.zip (1.02 KB, 下载次数: 2)

//+------------------------------------------------------------------+
//| TDI-2.mq4 |
//| http://forexsystems.ru/phpBB/index.php |
//+------------------------------------------------------------------+
#property copyright "Written by Rosh"
#property link "http://forexsystems.ru/phpBB/index.php"
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 DarkBlue
#property indicator_color2 Red
#property indicator_level1 0.0
//---- input parameters
extern int PeriodTDI=20;
//---- buffers
double TDI_Buffer[];
double Direction_Buffer[];
// ---- temporary buffers
double MomBuffer[];
double MomAbsBuffer[];
double MomSumBuffer[];
double MomSumAbsBuffer[];
double MomAbsSumBuffer[];
double MomAbsSum2Buffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
IndicatorBuffers(8);
SetIndexStyle(0,DRAW_LINE);
SetIndexBuffer(0,TDI_Buffer);
SetIndexStyle(1,DRAW_LINE);
SetIndexBuffer(1,Direction_Buffer);
SetIndexLabel(0,"Trend Direction Index");
SetIndexLabel(1,"Direction");
SetIndexEmptyValue(0,0.0);
SetIndexEmptyValue(1,0.0);
SetIndexBuffer(2,MomBuffer);
SetIndexBuffer(3,MomAbsBuffer);
SetIndexBuffer(4,MomSumBuffer);
SetIndexBuffer(5,MomSumAbsBuffer);
SetIndexBuffer(6,MomAbsSumBuffer);
SetIndexBuffer(7,MomAbsSum2Buffer);
IndicatorShortName("TDI"+"("+PeriodTDI+")");
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//---- TODO: add your code here
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int limit,i;
int counted_bars=IndicatorCounted();
//---- check for possible errors
if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
if(counted_bars>0) limit=Bars-counted_bars;
if (counted_bars==0)
{
limit=Bars-PeriodTDI;
for (i=Bars-1;i>limit;i--) {MomBuffer[i]=0.0;MomAbsBuffer[i]=0.0;}
}
limit--;
//---- TODO: add your code here
for(i=limit; i>=0; i--)
{
MomBuffer[i]=Close[i]-Close[i+PeriodTDI];
MomAbsBuffer[i]=MathAbs(MomBuffer[i]);
}
for(i=limit; i>=0; i--)
{
MomSumBuffer[i]=iMAOnArray(MomBuffer,0,PeriodTDI,0,MODE_SMA,i)*PeriodTDI;
MomSumAbsBuffer[i]=MathAbs(MomSumBuffer[i]);
Direction_Buffer[i]=MomSumBuffer[i];
}
for(int l=limit; l>=0; l--)
{
MomAbsSumBuffer[l]=iMAOnArray(MomAbsBuffer,0,PeriodTDI,0,MODE_SMA,l)*PeriodTDI;
MomAbsSum2Buffer[l]=iMAOnArray(MomAbsBuffer,0,2*PeriodTDI,0,MODE_SMA,l)*2*PeriodTDI;
TDI_Buffer[l]=MomSumAbsBuffer[l]-(MomAbsSum2Buffer[l]-MomAbsSumBuffer[l]);
}
//---- done
//----
return(0);
}
//+------------------------------------------------------------------+