ผมพยายามจะเขียนอินดีเองครับ
แต่พอใส่ชาร์ตไปมันแจ้ง error " array out of range in 'Phi2.mq4' (89,15) "
รบกวนแอดมินและท่านผู้รู้แนะนำด้วยครับ
//+------------------------------------------------------------------+
//|
//+------------------------------------------------------------------+
#property copyright
#property link "
https://www.mql5.com"
#property version "1.00"
#property strict
#property indicator_separate_window
#property indicator_minimum 1
#property indicator_maximum 2
#property indicator_level1 1.618
#property indicator_buffers 1
#property indicator_plots 1
//--- plot Label1
#property indicator_label1 "Label1"
#property indicator_type1 DRAW_LINE
#property indicator_color1 clrRed
#property indicator_style1 STYLE_SOLID
#property indicator_width1 1
input string pair = "USDCHF";
input double Phi = 1.618;
//--- indicator buffers
double Label1Buffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int OnInit()
{
//--- indicator buffers mapping
SetIndexBuffer(0,Label1Buffer);
string short_name;
//--- indicator line
SetIndexStyle(0,DRAW_LINE);
SetIndexBuffer(0,Label1Buffer);
//--- name for DataWindow and indicator subwindow label
short_name="Phi";
IndicatorShortName(short_name);
SetIndexLabel(0,short_name);
//--- check for input parameter
//---
SetIndexDrawBegin(0,Phi);
//--- initialization done
//---
return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| 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[])
{
//---
int counted_bars=IndicatorCounted();
if (counted_bars<0)return(-1);
if(counted_bars>0)counted_bars--;
int pos=Bars-counted_bars;
Comment(pos+"::::"+counted_bars);
//--- counting from 0 to rates_total
ArraySetAsSeries(Label1Buffer,false);
ArraySetAsSeries(close,false);
while(pos>0)
{
double a = NormalizeDouble(MarketInfo(NULL,MODE_BID),4);
double b = NormalizeDouble(MarketInfo(pair,MODE_BID),4);
double x = (a+b)/a;
double y = a/b;
double z = x/y;
// double phi = 1.618;
// double zx = z-phi;
Label1Buffer[pos]=z;
pos--;
}
//--- return value of prev_calculated for next call
return(rates_total);
}
//+------------------------------------------------------------------+
