//+------------------------------------------------------------------+ //|! NIH98 !TMA Centered Multi Bands Indi.mq4 //+------------------------------------------------------------------+ #property copyright "NIH98" #property link "" #property indicator_chart_window #property indicator_buffers 3 //9 #property indicator_color1 clrYellow // Main TMA Line #property indicator_color2 clrYellow // TMA Band 1 Upper Line #property indicator_color3 clrYellow // TMA Band 1 Lower Line #property indicator_style1 STYLE_DOT #property indicator_style2 STYLE_SOLID #property indicator_style3 STYLE_SOLID //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ extern string TimeFrame = "W1"; // Time Frame extern int HalfLength = 1; // Half Length extern ENUM_MA_METHOD MA_Method = MODE_LWMA; // MA Method extern int MA_Period = 1; // MA Period extern int ATRPeriod = 140; // ATR Period extern ENUM_APPLIED_PRICE Price = PRICE_MEDIAN; // Price Type extern int LinesShift = 0; // Lines Shift extern double ATRMultiplier = 0.31; // 1st Band extern bool Interpolate = false; // Interpolation extern bool alertsOn = false; // Alert On ? extern bool alertsOnCurrent = false; // Alert on current bar ? extern bool alertsOnHighLow = false; // Alert on High/Low ? extern bool alertsMessage = false; // Alert Send Message ? extern bool alertsNotification = false; // Alert Send Notification ? extern bool alertsEmail = false; // Alert Send E-Mail extern bool alertsSound = false; // ALert Sound ? //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ double buffer1[]; // Centered TMA Line double buffer2[]; // Band 1 upper double buffer3[]; // Band 1 lower double trend[]; // Calculation buffer for trend double slope[]; // calculation buffer for slope string indicatorFileName; bool calculateValue; bool returnBars; int timeFrame; //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ int init() { IndicatorBuffers(5); HalfLength=MathMax(HalfLength,1); //Main TMA Line SetIndexBuffer (0,buffer1); SetIndexShift (0,LinesShift); SetIndexEmptyValue (0,EMPTY_VALUE); SetIndexDrawBegin (0,HalfLength); SetIndexLabel (0,"TMA Center Line"); //Bands SetIndexBuffer (1,buffer2); SetIndexStyle (1,DRAW_LINE); SetIndexShift (1,LinesShift); SetIndexEmptyValue (1,EMPTY_VALUE); SetIndexDrawBegin (1,HalfLength); SetIndexLabel (1,"TMA UppBand"); SetIndexBuffer (2,buffer3); SetIndexStyle (2,DRAW_LINE); SetIndexShift (2,LinesShift); SetIndexEmptyValue (2,EMPTY_VALUE); SetIndexDrawBegin (2,HalfLength); SetIndexLabel (2,"TMA LowBand"); //calculation buffers SetIndexBuffer (3,trend); SetIndexBuffer (4,slope); SetIndexEmptyValue(4,EMPTY_VALUE); indicatorFileName = WindowExpertName(); returnBars = TimeFrame=="returnBars"; if (returnBars) return(0); calculateValue = TimeFrame=="calculateValue"; if (calculateValue) return(0); timeFrame = stringToTimeFrame(TimeFrame); IndicatorShortName("TMA Centered Bands "+timeFrameToString(timeFrame)+" ["+(int)HalfLength+"]"); return(0); } //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ int deinit() { return(0); } //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ int start() { int counted_bars=IndicatorCounted(); int i,j,k,n,limit; if(counted_bars<0) return(-1); if(counted_bars>0) counted_bars--; limit=MathMin(Bars-1,Bars-counted_bars+HalfLength); if (returnBars) { buffer1[0] = limit+1; return(0); } if (calculateValue || timeFrame==Period()) { double range = 0.0; for (i=limit; i>=0; i--) { double sum = (HalfLength+1)*iMA(NULL,0,MA_Period,0,MA_Method,Price,i); double sumw = (HalfLength+1); for (j=1, k=HalfLength; j<=HalfLength; j++, k--) { sum += k*iMA(NULL,0,MA_Period,0,MA_Method,Price,i+j); sumw += k; if (j<=i) { sum += k*iMA(NULL,0,MA_Period,0,MA_Method,Price,i-j); sumw += k; } } range = iATR ( NULL, 0, ATRPeriod, i + 10 ) * ATRMultiplier; buffer1[i] = sum/sumw; buffer2[i] = buffer1[i]+range; buffer3[i] = buffer1[i]-range; slope [i] = slope[i+1]; if ( buffer1[i] != 0.0 ) { slope[i] = ( ( buffer1[i] - buffer1[i+1] ) / buffer1[i] ) * 100000; } trend[i] = 0; if (alertsOnHighLow) { if ( High[i] > buffer2[i] ) trend[i] = 1; if ( Low [i] < buffer3[i] ) trend[i] = -1; } else { if ( Close[i] > buffer2[i] ) trend[i] = 1; if ( Close[i] < buffer3[i] ) trend[i] = -1; } } if (!calculateValue) manageAlerts(); return(0); } limit = MathMax(limit,MathMin( Bars-1, iCustom ( NULL, timeFrame, indicatorFileName, "returnBars", HalfLength,MA_Method,MA_Period,ATRPeriod,Price,LinesShift,ATRMultiplier,Interpolate, alertsOn, alertsOnCurrent, alertsOnHighLow, alertsMessage, alertsNotification, alertsEmail, alertsSound, 0, 0 ) * timeFrame / Period() ) ); for (i=limit; i>=0; i--) { int y = iBarShift(NULL,timeFrame,Time[i]); //center line buffer1[i] = iCustom ( NULL, timeFrame, indicatorFileName, "calculateTma", HalfLength,MA_Method,MA_Period,ATRPeriod,Price, LinesShift,ATRMultiplier,Interpolate, alertsOn, alertsOnCurrent, alertsOnHighLow, alertsMessage, alertsNotification, alertsEmail, alertsSound, 0, y ); //level 1 band buffer2[i] = iCustom ( NULL, timeFrame, indicatorFileName, "calculateTma", HalfLength,MA_Method,MA_Period,ATRPeriod,Price, LinesShift,ATRMultiplier,Interpolate, alertsOn, alertsOnCurrent, alertsOnHighLow, alertsMessage, alertsNotification, alertsEmail, alertsSound, 1, y ); buffer3[i] = iCustom ( NULL, timeFrame, indicatorFileName, "calculateTma", HalfLength,MA_Method,MA_Period,ATRPeriod,Price, LinesShift,ATRMultiplier,Interpolate, alertsOn, alertsOnCurrent, alertsOnHighLow, alertsMessage, alertsNotification, alertsEmail, alertsSound, 2, y ); trend[i] = iCustom ( NULL, timeFrame, indicatorFileName, "calculateTma", HalfLength,MA_Method,MA_Period,ATRPeriod,Price, LinesShift,ATRMultiplier,Interpolate, alertsOn, alertsOnCurrent, alertsOnHighLow, alertsMessage, alertsNotification, alertsEmail, alertsSound, 3, y ); // if (timeFrame <= Period() || y==iBarShift(NULL,timeFrame,Time[i-1])) continue; if (!Interpolate) continue; // datetime time = iTime(NULL,timeFrame,y); for (n = 1; i+n < Bars && Time[i+n] >= time; n++) continue; for (k = 1; k < n; k++) { //center line buffer1[i+k] = buffer1[i] +(buffer1[i+n]-buffer1[i])*k/n; //level 1 band buffer2[i+k] = buffer2[i] +(buffer2[i+n]-buffer2[i])*k/n; buffer3[i+k] = buffer3[i] +(buffer3[i+n]-buffer3[i])*k/n; } } // manageAlerts(); return(0); } //+------------------------------------------------------------------- //| //+------------------------------------------------------------------- void manageAlerts() { int whichBar; if (alertsOn) { if (alertsOnCurrent) whichBar = 0; else whichBar = 1; whichBar = iBarShift(NULL,0,iTime(NULL,timeFrame,whichBar)); if (trend[whichBar] != trend[whichBar+1]) { if (trend[whichBar] == 1) doAlert(whichBar,"Above Upper"); if (trend[whichBar] ==-1) doAlert(whichBar,"Below Lower"); } } } void doAlert(int forBar, string doWhat) { static string previousAlert="nothing"; static datetime previousTime; string message; if (previousAlert != doWhat || previousTime != Time[forBar]) { previousAlert = doWhat; previousTime = Time[forBar]; message = StringConcatenate(Symbol()," TMA Centered Bands "+timeFrameToString(timeFrame)+" ",doWhat," Band ",TimeToStr(TimeCurrent(),TIME_SECONDS)); if (alertsMessage) Alert(message); if (alertsNotification) SendNotification(message); if (alertsEmail) SendMail(StringConcatenate(Symbol(),"TMA bands "),message); if (alertsSound) PlaySound("alert2.wav"); } } //+------------------------------------------------------------------- //| //+------------------------------------------------------------------- string sTfTable[] = {"M1","M5","M15","M30","H1","H4","D1","W1","MN"}; int iTfTable[] = {1,5,15,30,60,240,1440,10080,43200}; int stringToTimeFrame(string tfs) { tfs = StringUpperCase(tfs); for (int i=ArraySize(iTfTable)-1; i>=0; i--) if (tfs==sTfTable[i] || tfs==""+iTfTable[i]) return(MathMax(iTfTable[i],Period())); return(Period()); } string timeFrameToString(int tf) { for (int i=ArraySize(iTfTable)-1; i>=0; i--) if (tf==iTfTable[i]) return(sTfTable[i]); return(""); } string StringUpperCase(string str) { string s = str; for (int length=StringLen(str)-1; length>=0; length--) { int ichar = StringGetChar(s, length); if ((ichar > 96 && ichar < 123) || (ichar > 223 && ichar < 256)) s = StringSetChar(s, length, ichar - 32); else if (ichar > -33 && ichar < 0) s = StringSetChar(s, length, ichar + 224); } return(s); } //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+