MT4中分形源码
//+------------------------------------------------------------------+
//| Fractals.mq4 |
//| Copyright ?2005, MetaQuotes Software Corp. |
//| http://www.metaquotes.net |
//+------------------------------------------------------------------+
property copyright "Copyright ?2005, MetaQuotes Software Corp."
property link "http://www.metaquotes.net"
property indicator_chart_window
property indicator_buffers 2
property indicator_color1 Red
property indicator_color2 Blue
//---- input parameters
//---- buffers
double ExtUpFractalsBuffer[];
double ExtDownFractalsBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()//初始化函数
{
//---- indicator buffers mapping
SetIndexBuffer(0,ExtUpFractalsBuffer);
SetIndexBuffer(1,ExtDownFractalsBuffer);
//---- drawing settings
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0,119);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1,119);
//----
SetIndexEmptyValue(0,0.0);
SetIndexEmptyValue(1,0.0);
//---- name for DataWindow
SetIndexLabel(0,"Fractal Up");
SetIndexLabel(1,"Fractal Down");
//---- initialization done
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()//init的析构函数
{
//---- TODO: add your code here
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()//主函数
{
int i,nCountedBars;
bool bFound;
double dCurrent;
nCountedBars=IndicatorCounted();//计算的是指标加载到图上后已经计算过的K线个数
//----
if(nCountedBars2)
{
nCountedBars--;
i=Bars-nCountedBars-1;
}
//----Up and Down Fractals
while(i>=2)
{
//----Fractals up
bFound=false;
dCurrent=High;
if(dCurrent>High[i+1] && dCurrent>High[i+2] && dCurrent>High[i-1] && dCurrent>High[i-2])
{
bFound=true;
ExtUpFractalsBuffer=dCurrent;
}
//----6 bars Fractal
if(!bFound && (Bars-i-1)>=3)
{
if(dCurrent==High[i+1] && dCurrent>High[i+2] && dCurrent>High[i+3] &&
dCurrent>High[i-1] && dCurrent>High[i-2])
{
bFound=true;
ExtUpFractalsBuffer=dCurrent;
}
}
//----7 bars Fractal
if(!bFound && (Bars-i-1)>=4)
{
if(dCurrent>=High[i+1] && dCurrent==High[i+2] && dCurrent>High[i+3] && dCurrent>High[i+4] &&
dCurrent>High[i-1] && dCurrent>High[i-2])
{
bFound=true;
ExtUpFractalsBuffer=dCurrent;
}
}
//----8 bars Fractal
if(!bFound && (Bars-i-1)>=5)
{
if(dCurrent>=High[i+1] && dCurrent==High[i+2] && dCurrent==High[i+3] && dCurrent>High[i+4] && dCurrent>High[i+5] &&
dCurrent>High[i-1] && dCurrent>High[i-2])
{
bFound=true;
ExtUpFractalsBuffer=dCurrent;
}
}
//----9 bars Fractal
if(!bFound && (Bars-i-1)>=6)
{
if(dCurrent>=High[i+1] && dCurrent==High[i+2] && dCurrent>=High[i+3] && dCurrent==High[i+4] && dCurrent>High[i+5] &&
dCurrent>High[i+6] && dCurrent>High[i-1] && dCurrent>High[i-2])
{
bFound=true;
ExtUpFractalsBuffer=dCurrent;
}
}
//----Fractals down
bFound=false;
dCurrent=Low;
if(dCurrent=dCurrent;
}
//----6 bars Fractal
if(!bFound && (Bars-i-1)>=3)
{
if(dCurrent==Low[i+1] && dCurrent=dCurrent;
}
}
//----7 bars Fractal
if(!bFound && (Bars-i-1)>=4)
{
if(dCurrent=dCurrent;
}
}
//----8 bars Fractal
if(!bFound && (Bars-i-1)>=5)
{
if(dCurrent=dCurrent;
}
}
//----9 bars Fractal
if(!bFound && (Bars-i-1)>=6)
{
if(dCurrent=dCurrent;
}
}
i--;
}
//----
return(0);
}
//+------------------------------------------------------------------+
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