【解説】【MQL5 community】 DinapoliTargets : これはZigZagの機能に、局所的な高値と安値を線で引き、一種のサポートラインとレジスタンスと見る。
ZigZagでは 直近高値から５％（デフォルト）以上の反落があった場合、 ここでジグザグの向きが反転する。 この反転をもって「買い・売り」シグナルとします。
//+------------------------------------------------------------------+
//| DinapoliTargets.mq5 |
//+------------------------------------------------------------------+
#property copyright "mishanya"
#property link "mishanya_fx@yahoo.com"
#property version "1.0"
#property indicator_chart_window
#property indicator_buffers 1
#property indicator_plots 1
#property indicator_label1 "DinapoliTargets"
#property indicator_type1 DRAW_SECTION
#property indicator_color1 Blue
#property indicator_style1 STYLE_SOLID
#property indicator_width1 1
//--- input parameters
input int barn=300;
input int Length=6;
//---- buffers
double ExtMapBuffer[];
//double ExtMapBuffer2[];
string Name[5]={"Start Line","Stop line","Target1 Line","Target2 Line","Target3 Line"};
color Color[5]={Honeydew,Red,Green,Yellow,DarkOrchid};
double Price[5];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int OnInit()
{
//--- indicator buffers mapping
SetIndexBuffer(0,ExtMapBuffer,INDICATOR_DATA);
PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,0.0);
PlotIndexSetString(0,PLOT_LABEL,"DinapoliTargets("+(string)Length+")");
IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
//---
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
for(int i=0;i＜5;i++) ObjectDelete(0,Name[i]);
return;
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
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＜barn) return(0);
if(prev_calculated==0) ArrayInitialize(ExtMapBuffer,0.0);
datetime Time0;
int shift,Swing,Swing_n,uzl,i,zu,zd;
double PointA,PointB,PointC;
double LL,HH,BH,BL,NH,NL,Spread;
double Uzel[10000];
//string text;
// loop from first bar to current bar (with shift=0)
Swing_n=0;Swing=0;uzl=0;
i=rates_total-barn-1;
PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,i);
BH=High[i];BL=Low[i];zu=i;zd=i;
//----
for(shift=i;shift＜rates_total;shift++)
{
LL=10000000;HH=-100000000;
for(i=shift-Length;i＜shift;i++)
{
if (Low[i]＜ LL) {LL=Low[i];}
if (High[i]>HH) {HH=High[i];}
}
if(Low[shift]＜LL && High[shift]>HH)
{
Swing=2;
if(Swing_n==1) {zu=shift-1;}
if(Swing_n==-1) {zd=shift-1;}
}
else
{
if(Low[shift]＜LL) {Swing=-1;}
if(High[shift]>HH) {Swing=1;}
}
if(Swing!=Swing_n && Swing_n!=0)
{
if(Swing==2)
{
Swing=-Swing_n;BH=High[shift];BL=Low[shift];
}
uzl++;
if(Swing==1)
{
Uzel[uzl]=BL;
ExtMapBuffer[zd]=BL;
}
if(Swing==-1)
{
Uzel[uzl]=BH;
ExtMapBuffer[zu]=BH;
}
BH=High[shift];
BL=Low[shift];
}
if(Swing==1)
{
if(High[shift]>=BH) {BH=High[shift];zu=shift;}
}
if(Swing==-1)
{
if (Low[shift]＜=BL) {BL=Low[shift]; zd=shift;}
}
Swing_n=Swing;
}
//----
PointA=Uzel[uzl-2];
PointB=Uzel[uzl-1];
PointC=Uzel[uzl];
Comment(PointA," ",PointB," ",PointC);
//----
Price[2]=NormalizeDouble((PointB-PointA)*0.618+PointC,_Digits);//Target1
Price[3]=PointB-PointA+PointC;//Target2
Price[4]=NormalizeDouble((PointB-PointA)*1.618+PointC,_Digits);//Target3
//Fantnsy=NormalizeDouble((PointB-PointA)*2.618+PointC,_Digits);
//CrazyDream=NormalizeDouble((PointB-PointA)*4.618+PointC,_Digits);
Spread=SymbolInfoInteger(_Symbol,SYMBOL_SPREAD)*_Point;
if(PointB＜PointC)
{
Price[0]=NormalizeDouble((PointB-PointA)*0.318+PointC,_Digits)-Spread;//Start
Price[1]=PointC+2*Spread;//Stop
}
if(PointB>PointC)
{
Price[0]=NormalizeDouble((PointB-PointA)*0.318+PointC,_Digits)+Spread;//Start
Price[1]=PointC-2*Spread;//Stop
}
//+----
Time0=Time[rates_total-1];
for(i=0;i＜5;i++)
{
if(ObjectFind(0,Name[i])!=0)
{
ObjectCreate(0,Name[i],OBJ_HLINE,0,Time0,Price[i]);
ObjectSetInteger(0,Name[i],OBJPROP_COLOR,Color[i]);
ObjectSetInteger(0,Name[i],OBJPROP_WIDTH,1);
ObjectSetInteger(0,Name[i],OBJPROP_STYLE,STYLE_DOT);
}
else ObjectMove(0,Name[i],0,Time0,Price[i]);
}
ChartRedraw();
//--- return value of prev_calculated for next call
return(rates_total);
}
//+------------------------------------------------------------------+
【表示結果】
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