//+------------------------------------------------------------------+
//| Color RSI.mq4 |
//| mladen |
//| |
//+------------------------------------------------------------------+
#property copyright "mladen"
#property link ""
#property indicator_separate_window
#property indicator_buffers 3
#property indicator_minimum 0
#property indicator_maximum 100
#property indicator_color1 Yellow
#property indicator_color2 Lime
#property indicator_color3 Red
#property indicator_width2 2
#property indicator_width3 2
//---- input parameters
//
//
//
//
extern int RSIPeriod = 7;
extern int PriceType = 1;
extern string timeFrame = "Current time frame";
extern int overBought = 50;
extern int overSold = 50;
extern bool showArrows = false;
extern bool alertsOn = true;
extern bool alertsMessage = true;
extern bool alertsSound = false;
extern bool alertsEmail = false;
//---- buffers
//
//
//
//
//
double RSIBuffer[];
double Upper[];
double Lower[];
//
//
//
//
//
int TimeFrame;
datetime TimeArray[];
int maxArrows;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
SetIndexBuffer(0,RSIBuffer);
SetIndexBuffer(1,Upper);
SetIndexBuffer(2,Lower);
SetIndexLabel(0,"RSI");
SetIndexLabel(1,NULL);
SetIndexLabel(2,NULL);
//
//
//
//
//
TimeFrame = stringToTimeFrame(timeFrame);
string shortName = "RSI ("+TimeFrameToString(TimeFrame)+","+RSIPeriod+","+PriceTypeToString(PriceType);
if (overBought < overSold) overBought = overSold;
if (overBought < 100) shortName = shortName+","+overBought;
if (overSold > 0) shortName = shortName+","+overSold;
IndicatorShortName(shortName+")");
return(0);
}
//
//
//
//
//
int deinit()
{
DeleteArrows();
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int counted_bars=IndicatorCounted();
int limit;
int i,y;
if(counted_bars<0) return(-1);
limit=Bars-counted_bars;
ArrayCopySeries(TimeArray ,MODE_TIME ,NULL,TimeFrame);
//
//
//
//
//
for(i=0,y=0; i<limit; i++)
{
if(Time[i]<TimeArray[y]) y++;
RSIBuffer[i] = iRSI(NULL,TimeFrame,RSIPeriod,PriceType,y);
}
//
//
//
//
//
for(i=limit; i>=0; i--)
{
if (RSIBuffer[i] > overBought) { Upper[i] = RSIBuffer[i]; Upper[i+1] = RSIBuffer[i+1]; }
else { Upper[i] = EMPTY_VALUE;
if (Upper[i+2] == EMPTY_VALUE)
Upper[i+1] = EMPTY_VALUE; }
if (RSIBuffer[i] < overSold) { Lower[i] = RSIBuffer[i]; Lower[i+1] = RSIBuffer[i+1]; }
else { Lower[i] = EMPTY_VALUE;
if (Lower[i+2] == EMPTY_VALUE)
Lower[i+1] = EMPTY_VALUE; }
}
//
//
//
//
//
if (showArrows)
for (i=0; i<WindowBarsPerChart() ;i++)
{
if (RSIBuffer[i]>overBought && RSIBuffer[i+1]<overBought) DrawArrow(i,"up");
if (RSIBuffer[i]<overSold && RSIBuffer[i+1]>overSold) DrawArrow(i,"down");
}
if (alertsOn)
{
if (RSIBuffer[0]>overBought && RSIBuffer[1]<overBought) doAlert(overBought+" line crossed up");
if (RSIBuffer[0]<overSold && RSIBuffer[1]>overSold) doAlert(overBought+" line crossed down");
}
//
//
//
//
//
return(0);
}
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//
//
//
//
//
void DrawArrow(int i,string type)
{
maxArrows++;
ObjectCreate("RSISignal"+maxArrows,OBJ_ARROW,0,Time[i],0);
if (type=="up")
{
ObjectSet("RSISignal"+maxArrows,OBJPROP_PRICE1,High[i]+(8*Point));
ObjectSet("RSISignal"+maxArrows,OBJPROP_ARROWCODE,242);
ObjectSet("RSISignal"+maxArrows,OBJPROP_COLOR,Red);
}
else
{
ObjectSet("RSISignal"+maxArrows,OBJPROP_PRICE1,Low[i]-(6*Point));
ObjectSet("RSISignal"+maxArrows,OBJPROP_ARROWCODE,241);
ObjectSet("RSISignal"+maxArrows,OBJPROP_COLOR,LimeGreen);
}
}
void DeleteArrows()
{
while(maxArrows>0) { ObjectDelete("RSISignal"+maxArrows); maxArrows--; }
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
void doAlert(string doWhat)
{
static string previousAlert="nothing";
static datetime previousTime;
string message;
if (previousAlert != doWhat || previousTime != Time[0]) {
previousAlert = doWhat;
previousTime = Time[0];
//
//
//
//
//
message = StringConcatenate(Symbol()," at ",TimeToStr(TimeLocal(),TIME_SECONDS)," RSI ",doWhat);
if (alertsMessage) Alert(message);
if (alertsSound) PlaySound("alert2.wav");
if (alertsEmail) SendMail(StringConcatenate(Symbol()," RSI crossing"),message);
}
}
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//
//
//
//
//
string PriceTypeToString(int pt)
{
string answer;
switch(pt)
{
case 0: answer = "Close" ; break;
case 1: answer = "Open" ; break;
case 2: answer = "High" ; break;
case 3: answer = "Low" ; break;
case 4: answer = "Median" ; break;
case 5: answer = "Typical" ; break;
case 6: answer = "Wighted" ; break;
default: answer = "Invalid price field requested";
Alert(answer);
}
return(answer);
}
int stringToTimeFrame(string tfs)
{
int tf=0;
tfs = StringUpperCase(tfs);
if (tfs=="M1" || tfs=="1") tf=PERIOD_M1;
if (tfs=="M5" || tfs=="5") tf=PERIOD_M5;
if (tfs=="M15"|| tfs=="15") tf=PERIOD_M15;
if (tfs=="M30"|| tfs=="30") tf=PERIOD_M30;
if (tfs=="H1" || tfs=="60") tf=PERIOD_H1;
if (tfs=="H4" || tfs=="240") tf=PERIOD_H4;
if (tfs=="D1" || tfs=="1440") tf=PERIOD_D1;
if (tfs=="W1" || tfs=="10080") tf=PERIOD_W1;
if (tfs=="MN" || tfs=="43200") tf=PERIOD_MN1;
if (tf<Period()) tf=Period();
return(tf);
}
string TimeFrameToString(int tf)
{
string tfs="Current time frame";
switch(tf) {
case PERIOD_M1: tfs="M1" ; break;
case PERIOD_M5: tfs="M5" ; break;
case PERIOD_M15: tfs="M15" ; break;
case PERIOD_M30: tfs="M30" ; break;
case PERIOD_H1: tfs="H1" ; break;
case PERIOD_H4: tfs="H4" ; break;
case PERIOD_D1: tfs="D1" ; break;
case PERIOD_W1: tfs="W1" ; break;
case PERIOD_MN1: tfs="MN1";
}
return(tfs);
}
//
//
//
//
//
string StringUpperCase(string str)
{
string s = str;
int lenght = StringLen(str) - 1;
int char;
while(lenght >= 0)
{
char = StringGetChar(s, lenght);
//
//
//
//
//
if((char > 96 && char < 123) || (char > 223 && char < 256))
s = StringSetChar(s, lenght, char - 32);
else
if(char > -33 && char < 0)
s = StringSetChar(s, lenght, char + 224);
//
//
//
//
//
lenght--;
}
//
//
//
//
//
return(s);
}
Sample
Analysis
Market Information Used:
Series array that contains open time of each bar
Series array that contains the highest prices of each bar
Series array that contains the lowest prices of each bar
Indicator Curves created:
Indicators Used:
Relative strength index
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen
It plays sound alerts
It sends emails