_xMeter_mini_v1.2

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Author: x Meter System� �GPL
_xMeter_mini_v1.2

This script functions as a visual "Price Meter System" for the MetaTrader platform. Its primary purpose is to provide traders with a real-time dashboard that displays the relative strength and performance of various major global currencies compared to one another.

Core Logic Overview

The system operates by scanning a specific group of currency pairs (such as EURUSD, GBPUSD, USDJPY, etc.) to determine how much "power" or movement each individual currency is exhibiting during the current trading day.

How it processes data:

  1. Data Collection: The script constantly pulls live market information for a predefined list of currency pairs, including their highest price (High), lowest price (Low), and current trading prices (Bid/Ask).
  2. Range Analysis: It calculates the total price range covered by each pair during the day. By comparing the current price to the daily high and low, it determines where the currency sits within that day's movement.
  3. Grading System: The script converts these movements into a "Grade" or "Power" level. A currency performing strongly relative to its range is assigned a higher value, while a weaker performance results in a lower value.
  4. Strength Calculation: It then aggregates these individual scores. For example, the strength of the US Dollar (USD) isn't just looked at in isolation; the script averages the performance of the USD across multiple different pairs to create a comprehensive "Meter" reading.

Visual Representation

Instead of showing complex numbers or raw data, the script translates these calculations into a user-friendly visual dashboard on your chart:

  • Currency Meters: Each major currency (USD, EUR, GBP, CHF, CAD, AUD, JPY) has its own dedicated meter.
  • Color Coding: The meters use a color gradient to communicate strength at a glance. As a currency's strength increases, the visual indicator moves through different colors (such as Red, Orange, Gold, YellowGreen, and Lime).
  • Real-time Updates: The script runs in a continuous loop, refreshing the prices and updating the meters every second. This allows traders to see shifts in market momentum instantly.

Summary for the User

Essentially, this tool acts like a "scoreboard" for the forex market. It tells you which currencies are winning or losing the most ground today by analyzing their daily price action across several different pairings simultaneously, presenting that complex data as a simple, color-coded visual gauge.

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_xMeter_mini_v1.2 
/*
!xMeter.mq4     
Copyright © 2007, MetaQuotes Software Corp.     
Price Meter System™ ©GPL     

Robert Hill
   5/16/2007 Corrected problem with IBFX mini Account

*/


#property copyright "x Meter System™ ©GPL"
#property link      "forex-tsd dot com"

#define ARRSIZE  12                     // number of pairs !!!DON'T CHANGE THIS NUMBER!!!
#define PAIRSIZE 7                      // number of currencies !!!DON'T CHANGE THIS NUMBER!!!
#define TABSIZE  10                     // scale of currency's power !!!DON'T CHANGE THIS NUMBER!!!
#define ORDER    2                      // available type of order !!!DON'T CHANGE THIS NUMBER!!!

// Added to make code easier to understand
// Currency pair
#define EURUSD 0
#define GBPUSD 1
#define AUDUSD 2
#define USDJPY 3
#define USDCHF 4
#define USDCAD 5
#define EURJPY 6
#define EURGBP 7
#define EURCHF 8
#define EURAUD 9
#define GBPJPY 10
#define GBPCHF 11

// Currency
#define USD 0
#define EUR 1
#define GBP 2
#define CHF 3
#define CAD 4
#define AUD 5
#define JPY 6

extern bool AccountIsIBFXmini = false;

   string aPair[ARRSIZE]   = {"EURUSDm","GBPUSDm","AUDUSDm","USDJPYm","USDCHFm","USDCADm",
                              "EURJPYm","EURGBPm","EURCHFm","EURAUDm","GBPJPYm","GBPCHFm"};
   string aMajor[PAIRSIZE] = {"USD","EUR","GBP","CHF","CAD","AUD","JPY"};
   string aOrder[ORDER]    = {"BUY ","SELL "};

//+------------------------------------------------------------------+
//     expert initialization function                                |       
//+------------------------------------------------------------------+
int init()
  {
   int   err,lastError;
//----
   initGraph();
   while (true)                                                             // infinite loop for main program
      {
      if (IsConnected()) main();
      if (!IsConnected()) objectBlank();
      WindowRedraw();
      Sleep(1000);                                                          // give your PC a breath
      }
//----
   return(0);                                                               // end of init function
  }
//+------------------------------------------------------------------+
//     expert deinitialization function                              |       
//+------------------------------------------------------------------+
int deinit()
  {
//----
   ObjectsDeleteAll(0,OBJ_LABEL);
   Print("shutdown error - ",GetLastError());                               // system is detached from platform
//----
   return(0);                                                               // end of deinit function
  }
//+------------------------------------------------------------------+
//     expert start function                                         |       
//+------------------------------------------------------------------+
int start()
  {
//----

//----
   return(0);                                                               // end of start funtion
  }
//+------------------------------------------------------------------+
//     expert custom function                                        |       
//+------------------------------------------------------------------+    
void main()                                                                 // this a control center
  {
//----
   double aMeter[PAIRSIZE];
   double aHigh[ARRSIZE];
   double aLow[ARRSIZE];
   double aBid[ARRSIZE];
   double aAsk[ARRSIZE];
   double aRatio[ARRSIZE];
   double aRange[ARRSIZE];
   double aLookup[ARRSIZE];
   double aStrength[ARRSIZE];
   double point;
   int    index;
   string mySymbol;
     
   for (index = 0; index < ARRSIZE; index++)                                // initialize all pairs required value 
      {
      RefreshRates();                                                       // refresh all currency's instrument
      if (AccountIsIBFXmini)
         mySymbol = aPair[index];
      else
         mySymbol = StringSubstr(aPair[index],0,6);                        // Only look at first 6 characters of pair
      point            = MarketInfo(mySymbol,MODE_POINT);               // get a point basis
      aHigh[index]     = MarketInfo(mySymbol,MODE_HIGH);                // set a high today
      aLow[index]      = MarketInfo(mySymbol,MODE_LOW);                 // set a low today
      aBid[index]      = MarketInfo(mySymbol,MODE_BID);                 // set a last bid
      aAsk[index]      = MarketInfo(mySymbol,MODE_ASK);                 // set a last ask
      aRange[index]    = MathMax((aHigh[index]-aLow[index])/point,1);       // calculate range today
      aRatio[index]    = (aBid[index]-aLow[index])/aRange[index]/point;     // calculate pair ratio
      aLookup[index]   = iLookup(aRatio[index]*100);                        // set a pair grade
      aStrength[index] = 9-aLookup[index];                                  // set a pair strengh
      } 

   // calculate all currencies meter         
   aMeter[USD] = NormalizeDouble((aLookup[USDJPY]+aLookup[USDCHF]+aLookup[USDCAD]+aStrength[EURUSD]+aStrength[GBPUSD]+aStrength[AUDUSD])/6,1);
   aMeter[EUR] = NormalizeDouble((aLookup[EURUSD]+aLookup[EURJPY]+aLookup[EURGBP]+aLookup[EURCHF]+aLookup[EURAUD])/5,1);
   aMeter[GBP] = NormalizeDouble((aLookup[GBPUSD]+aLookup[GBPJPY]+aLookup[GBPCHF]+aStrength[EURGBP])/4,1);
   aMeter[CHF] = NormalizeDouble((aStrength[USDCHF]+aStrength[EURCHF]+aStrength[GBPCHF])/3,1);
   aMeter[CAD] = NormalizeDouble((aStrength[USDCAD]),1);
   aMeter[AUD] = NormalizeDouble((aLookup[AUDUSD]+aStrength[EURAUD])/2,1);
   aMeter[JPY] = NormalizeDouble((aStrength[USDJPY]+aStrength[EURJPY]+aStrength[GBPJPY])/3,1);     

/*
   aMeter[0] = NormalizeDouble((aLookup[3]+aLookup[4]+aLookup[5]+aStrength[0]+aStrength[1]+aStrength[2])/6,1);
   aMeter[1] = NormalizeDouble((aLookup[0]+aLookup[6]+aLookup[7]+aLookup[8]+aLookup[9])/5,1);
   aMeter[2] = NormalizeDouble((aLookup[1]+aLookup[10]+aLookup[11]+aStrength[7])/4,1);
   aMeter[3] = NormalizeDouble((aStrength[4]+aStrength[8]+aStrength[11])/3,1);
   aMeter[4] = NormalizeDouble((aStrength[5]),1);
   aMeter[5] = NormalizeDouble((aLookup[2]+aStrength[9])/2,1);
   aMeter[6] = NormalizeDouble((aStrength[3]+aStrength[6]+aStrength[10])/3,1);     
*/
             
   objectBlank();   
   paintUSD(aMeter[0]);
   paintEUR(aMeter[1]);
   paintGBP(aMeter[2]);
   paintCHF(aMeter[3]);
   paintCAD(aMeter[4]);
   paintAUD(aMeter[5]);
   paintJPY(aMeter[6]);
   paintLine();
                                                                            
//----
  }
  
int iLookup(double ratio)                                                   // this function will return a grade value
  {                                                                         // based on its power.
   int    aTable[TABSIZE]  = {0,3,10,25,40,50,60,75,90,97};                 // grade table for currency's power
   int   index;
   
   if      (ratio <= aTable[0]) index = 0;
   else if (ratio < aTable[1])  index = 0;
   else if (ratio < aTable[2])  index = 1;
   else if (ratio < aTable[3])  index = 2;
   else if (ratio < aTable[4])  index = 3;
   else if (ratio < aTable[5])  index = 4;
   else if (ratio < aTable[6])  index = 5;
   else if (ratio < aTable[7])  index = 6;
   else if (ratio < aTable[8])  index = 7;
   else if (ratio < aTable[9])  index = 8;
   else                         index = 9;
   return(index);                                                           // end of iLookup function
  }
  
void initGraph()
  {
   ObjectsDeleteAll(0,OBJ_LABEL);

   objectCreate("usd_1",130,43);
   objectCreate("usd_2",130,35);
   objectCreate("usd_3",130,27);
   objectCreate("usd_4",130,19);
   objectCreate("usd_5",130,11);
   objectCreate("usd",132,12,"USD",7,"Arial Narrow",SkyBlue);
   objectCreate("usdp",134,21,DoubleToStr(9,1),8,"Arial Narrow",Silver);
   
   objectCreate("eur_1",110,43);
   objectCreate("eur_2",110,35);
   objectCreate("eur_3",110,27);
   objectCreate("eur_4",110,19);
   objectCreate("eur_5",110,11);
   objectCreate("eur",112,12,"EUR",7,"Arial Narrow",SkyBlue);
   objectCreate("eurp",114,21,DoubleToStr(9,1),8,"Arial Narrow",Silver);
   
   objectCreate("gbp_1",90,43);
   objectCreate("gbp_2",90,35);
   objectCreate("gbp_3",90,27);
   objectCreate("gbp_4",90,19);
   objectCreate("gbp_5",90,11);
   objectCreate("gbp",92,12,"GBP",7,"Arial Narrow",SkyBlue);
   objectCreate("gbpp",94,21,DoubleToStr(9,1),8,"Arial Narrow",Silver);
   
   objectCreate("chf_1",70,43);
   objectCreate("chf_2",70,35);
   objectCreate("chf_3",70,27);
   objectCreate("chf_4",70,19);
   objectCreate("chf_5",70,11);
   objectCreate("chf",72,12,"CHF",7,"Arial Narrow",SkyBlue);
   objectCreate("chfp",74,21,DoubleToStr(9,1),8,"Arial Narrow",Silver);

   objectCreate("cad_1",50,43);
   objectCreate("cad_2",50,35);   
   objectCreate("cad_3",50,27);
   objectCreate("cad_4",50,19);
   objectCreate("cad_5",50,11);
   objectCreate("cad",52,12,"CAD",7,"Arial Narrow",SkyBlue);
   objectCreate("cadp",54,21,DoubleToStr(9,1),8,"Arial Narrow",Silver);
   
   objectCreate("aud_1",30,43);
   objectCreate("aud_2",30,35);
   objectCreate("aud_3",30,27);
   objectCreate("aud_4",30,19);
   objectCreate("aud_5",30,11);
   objectCreate("aud",32,12,"AUD",7,"Arial Narrow",SkyBlue);
   objectCreate("audp",34,21,DoubleToStr(9,1),8,"Arial Narrow",Silver);

   objectCreate("jpy_1",10,43);
   objectCreate("jpy_2",10,35);
   objectCreate("jpy_3",10,27);
   objectCreate("jpy_4",10,19);
   objectCreate("jpy_5",10,11);
   objectCreate("jpy",13,12,"JPY",7,"Arial Narrow",SkyBlue);
   objectCreate("jpyp",14,21,DoubleToStr(9,1),8,"Arial Narrow",Silver);
   
   objectCreate("line",10,6,"-----------------------------------",10,"Arial",DimGray);  
   objectCreate("line1",10,27,"-----------------------------------",10,"Arial",DimGray);  
   objectCreate("line2",10,69,"-----------------------------------",10,"Arial",DimGray);
   objectCreate("sign",11,1,"»»» Price Meter System™ ©GPL «««",8,"Arial Narrow",DimGray);
   WindowRedraw();
  }
//+------------------------------------------------------------------+
void objectCreate(string name,int x,int y,string text="-",int size=42,
                  string font="Arial",color colour=CLR_NONE)
  {
   ObjectCreate(name,OBJ_LABEL,0,0,0);
   ObjectSet(name,OBJPROP_CORNER,3);
   ObjectSet(name,OBJPROP_COLOR,colour);
   ObjectSet(name,OBJPROP_XDISTANCE,x);
   ObjectSet(name,OBJPROP_YDISTANCE,y);
   ObjectSetText(name,text,size,font,colour);
  }

void objectBlank()
  {
   ObjectSet("usd_1",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("usd_2",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("usd_3",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("usd_4",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("usd_5",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("usd",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("usdp",OBJPROP_COLOR,CLR_NONE);

   ObjectSet("eur_1",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("eur_2",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("eur_3",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("eur_4",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("eur_5",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("eur",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("eurp",OBJPROP_COLOR,CLR_NONE);

   ObjectSet("gbp_1",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("gbp_2",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("gbp_3",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("gbp_4",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("gbp_5",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("gbp",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("gbpp",OBJPROP_COLOR,CLR_NONE);

   ObjectSet("chf_1",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("chf_2",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("chf_3",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("chf_4",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("chf_5",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("chf",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("chfp",OBJPROP_COLOR,CLR_NONE);

   ObjectSet("cad_1",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("cad_2",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("cad_3",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("cad_4",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("cad_5",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("cad",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("cadp",OBJPROP_COLOR,CLR_NONE);

   ObjectSet("aud_1",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("aud_2",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("aud_3",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("aud_4",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("aud_5",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("aud",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("audp",OBJPROP_COLOR,CLR_NONE);

   ObjectSet("jpy_1",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("jpy_2",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("jpy_3",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("jpy_4",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("jpy_5",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("jpy",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("jpyp",OBJPROP_COLOR,CLR_NONE);
   
   ObjectSet("line1",OBJPROP_COLOR,CLR_NONE);
   ObjectSet("line2",OBJPROP_COLOR,CLR_NONE); 
  }
  
void paintUSD(double value)
  {
   if (value > 0) ObjectSet("usd_5",OBJPROP_COLOR,Red);
   if (value > 2) ObjectSet("usd_4",OBJPROP_COLOR,Orange);
   if (value > 4) ObjectSet("usd_3",OBJPROP_COLOR,Gold);   
   if (value > 6) ObjectSet("usd_2",OBJPROP_COLOR,YellowGreen);
   if (value > 7) ObjectSet("usd_1",OBJPROP_COLOR,Lime);
   ObjectSet("usd",OBJPROP_COLOR,SkyBlue);
   ObjectSetText("usdp",DoubleToStr(value,1),8,"Arial Narrow",Silver);
  }

void paintEUR(double value)
  {
   if (value > 0) ObjectSet("eur_5",OBJPROP_COLOR,Red);
   if (value > 2) ObjectSet("eur_4",OBJPROP_COLOR,Orange);
   if (value > 4) ObjectSet("eur_3",OBJPROP_COLOR,Gold);   
   if (value > 6) ObjectSet("eur_2",OBJPROP_COLOR,YellowGreen);
   if (value > 7) ObjectSet("eur_1",OBJPROP_COLOR,Lime);
   ObjectSet("eur",OBJPROP_COLOR,SkyBlue);
   ObjectSetText("eurp",DoubleToStr(value,1),8,"Arial Narrow",Silver);
  }

void paintGBP(double value)
  {
   if (value > 0) ObjectSet("gbp_5",OBJPROP_COLOR,Red);
   if (value > 2) ObjectSet("gbp_4",OBJPROP_COLOR,Orange);
   if (value > 4) ObjectSet("gbp_3",OBJPROP_COLOR,Gold);   
   if (value > 6) ObjectSet("gbp_2",OBJPROP_COLOR,YellowGreen);
   if (value > 7) ObjectSet("gbp_1",OBJPROP_COLOR,Lime);
   ObjectSet("gbp",OBJPROP_COLOR,SkyBlue);
   ObjectSetText("gbpp",DoubleToStr(value,1),8,"Arial Narrow",Silver);
  }

void paintCHF(double value)
  {
   if (value > 0) ObjectSet("chf_5",OBJPROP_COLOR,Red);
   if (value > 2) ObjectSet("chf_4",OBJPROP_COLOR,Orange);
   if (value > 4) ObjectSet("chf_3",OBJPROP_COLOR,Gold);   
   if (value > 6) ObjectSet("chf_2",OBJPROP_COLOR,YellowGreen);
   if (value > 7) ObjectSet("chf_1",OBJPROP_COLOR,Lime);
   ObjectSet("chf",OBJPROP_COLOR,SkyBlue);
   ObjectSetText("chfp",DoubleToStr(value,1),8,"Arial Narrow",Silver);
  }

void paintCAD(double value)
  {
   if (value > 0) ObjectSet("cad_5",OBJPROP_COLOR,Red);
   if (value > 2) ObjectSet("cad_4",OBJPROP_COLOR,Orange);
   if (value > 4) ObjectSet("cad_3",OBJPROP_COLOR,Gold);   
   if (value > 6) ObjectSet("cad_2",OBJPROP_COLOR,YellowGreen);
   if (value > 7) ObjectSet("cad_1",OBJPROP_COLOR,Lime);
   ObjectSet("cad",OBJPROP_COLOR,SkyBlue);
   ObjectSetText("cadp",DoubleToStr(value,1),8,"Arial Narrow",Silver);
  }

void paintAUD(double value)
  {
   if (value > 0) ObjectSet("aud_5",OBJPROP_COLOR,Red);
   if (value > 2) ObjectSet("aud_4",OBJPROP_COLOR,Orange);
   if (value > 4) ObjectSet("aud_3",OBJPROP_COLOR,Gold);   
   if (value > 6) ObjectSet("aud_2",OBJPROP_COLOR,YellowGreen);
   if (value > 7) ObjectSet("aud_1",OBJPROP_COLOR,Lime);
   ObjectSet("aud",OBJPROP_COLOR,SkyBlue);
   ObjectSetText("audp",DoubleToStr(value,1),8,"Arial Narrow",Silver);
  }

void paintJPY(double value)
  {
   if (value > 0) ObjectSet("jpy_5",OBJPROP_COLOR,Red);
   if (value > 2) ObjectSet("jpy_4",OBJPROP_COLOR,Orange);
   if (value > 4) ObjectSet("jpy_3",OBJPROP_COLOR,Gold);   
   if (value > 6) ObjectSet("jpy_2",OBJPROP_COLOR,YellowGreen);
   if (value > 7) ObjectSet("jpy_1",OBJPROP_COLOR,Lime);
   ObjectSet("jpy",OBJPROP_COLOR,SkyBlue);
   ObjectSetText("jpyp",DoubleToStr(value,1),8,"Arial Narrow",Silver);
  }
  
void paintLine()
  {
   ObjectSet("line1",OBJPROP_COLOR,DimGray);
   ObjectSet("line2",OBJPROP_COLOR,DimGray);
  }

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