//+------------------------------------------------------------------+ //| Pattern Recognition v1.0 | //| (complete rewrite and name change of pattern alert) | //| | //| Copyright © 2005, Jason Robinson | //| (jasonrobinsonuk, jnrtrading) | //| http://www.jnrtrading.co.uk | //| | //| This is still work in progress and needs LOTS of testing | //+------------------------------------------------------------------+ #property copyright "Copyright © 2005, Jason Robinson (jnrtrading)." #property link "http://www.jnrtrading.co.uk" #property indicator_chart_window #property indicator_buffers 2 #property indicator_color1 Red #property indicator_color2 Red extern bool Show_Alert = False; extern bool Display_Bearish_Engulfing = true; extern bool Display_Three_Outside_Down = true; extern bool Display_Three_Inside_Down = true; extern bool Display_Dark_Cloud_Cover = true; extern bool Display_Three_Black_Crows = true; extern bool Display_Bullish_Engulfing = true; extern bool Display_Three_Outside_Up = true; extern bool Display_Three_Inside_Up = true; extern bool Display_Piercing_Line = true; extern bool Display_Three_White_Soldiers = true; extern bool Display_Stars = true; extern bool Display_Harami = true; extern int fontcolor1 = Yellow; extern int fontsize1 = 8; extern string font1 = "Impact"; //---- buffers double upArrow[]; double downArrow[]; string PatternText[5000]; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- indicators SetIndexStyle(0,DRAW_ARROW, EMPTY, 2); SetIndexArrow(0,218); SetIndexBuffer(0, downArrow); SetIndexStyle(1,DRAW_ARROW, EMPTY, 2); SetIndexArrow(1,217); SetIndexBuffer(1, upArrow); return(0); } //+------------------------------------------------------------------+ //| Custom indicator deinitialization function | //+------------------------------------------------------------------+ int deinit() { ObjectsDeleteAll(0, OBJ_TEXT); return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start(){ double Range, AvgRange; int counter, setalert; static datetime prevtime = 0; int shift; int shift1; int shift2; int shift3; string pattern, period; int setPattern = 0; int alert = 0; int arrowShift; int textShift; double O, O1, O2, C, C1, C2, L, L1, L2, H, H1, H2; if(prevtime == Time[0]) { return(0); } prevtime = Time[0]; switch (Period()) { case 1: period = "M1"; break; case 5: period = "M5"; break; case 15: period = "M15"; break; case 30: period = "M30"; break; case 60: period = "H1"; break; case 240: period = "H4"; break; case 1440: period = "D1"; break; case 10080: period = "W1"; break; case 43200: period = "MN"; break; } for (int j = 0; j < Bars; j++) { PatternText[j] = "pattern-" + j; } for (shift = 0; shift < Bars; shift++) { setalert = 0; counter=shift; Range=0; AvgRange=0; for (counter=shift ;counter<=shift+9;counter++) { AvgRange=AvgRange+MathAbs(High[counter]-Low[counter]); } Range=AvgRange/10; shift1 = shift + 1; shift2 = shift + 2; shift3 = shift + 3; O = Open[shift1]; O1 = Open[shift2]; O2 = Open[shift3]; H = High[shift1]; H1 = High[shift2]; H2 = High[shift3]; L = Low[shift1]; L1 = Low[shift2]; L2 = Low[shift3]; C = Close[shift1]; C1 = Close[shift2]; C2 = Close[shift3]; // Bearish Patterns // Check for Bearish Engulfing pattern if ((C1>O1)&&(O>C)&&(O>=C1)&&(O1>=C)&&((O-C)>(C1-O1))) { if (Display_Bearish_Engulfing == true) { ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], High[shift1] + Range*1.5); ObjectSetText(PatternText[shift], "BearGulf", fontsize1, font1, fontcolor1); downArrow[shift1] = High[shift1] + Range*0.5; } if (setalert == 0 && Show_Alert == true) { pattern = "Bearish Engulfing Pattern"; setalert = 1; } } // Check for a Three Outside Down pattern if ((C2>O2)&&(O1>C1)&&(O1>=C2)&&(O2>=C1)&&((O1-C1)>(C2-O2))&&(O>C)&&(C<C1)) { if (Display_Three_Outside_Down == true) { ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], Low[shift1] - Range*1.5); ObjectSetText(PatternText[shift], "3OutDown", fontsize1, font1, fontcolor1); upArrow[shift1] = Low[shift1] - Range*0.5; } if (setalert == 0 && Show_Alert == true) { pattern="3 Outside Down Pattern"; setalert = 1; } } // Check for a Dark Cloud Cover pattern if ((C1>O1)&&(((C1+O1)/2)>C)&&(O>C)&&(O>C1)&&(C>O1)&&((O-C)/(0.001+(H-L))>0.6)) { if (Display_Dark_Cloud_Cover == true) { ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], High[shift1] + Range*1.5); ObjectSetText(PatternText[shift], "DarkCloud", fontsize1, font1, fontcolor1); downArrow[shift1] = High[shift1] + Range*0.5; } if (setalert == 0 && Show_Alert == true) { pattern="Dark Cloud Cover Pattern"; setalert = 1; } } // Check for Evening Doji Star pattern if ((C2>O2)&&((C2-O2)/(0.001+H2-L2)>0.6)&&(C2<O1)&&(C1>O1)&&((H1-L1)>(3*(C1-O1)))&&(O>C)&&(O<O1)) { if (Display_Stars == true) { ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], High[shift1] + Range*1.5); ObjectSetText(PatternText[shift], "Evening Doji Star", fontsize1, font1, fontcolor1); downArrow[shift1] = High[shift1] + Range*0.5; } if (setalert == 0 && Show_Alert == true) { pattern="Evening Doji Star Pattern"; setalert = 1; } } // Check for Bearish Harami pattern if ((C1>O1)&&(O>C)&&(O<=C1)&&(O1<=C)&&((O-C)<(C1-O1))) { if (Display_Harami == true) { ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], High[shift1] + Range*1.5); ObjectSetText(PatternText[shift], "BearHara", fontsize1, font1, fontcolor1); downArrow[shift1] = High[shift1] + Range*0.5; } if (shift == 0 && Show_Alert == true) { pattern="Bear Harami Pattern"; setalert = 1; } } // Check for Three Inside Down pattern if ((C2>O2)&&(O1>C1)&&(O1<=C2)&&(O2<=C1)&&((O1-C1)<(C2-O2))&&(O>C)&&(C<C1)&&(O<O1)) { if (Display_Three_Inside_Down == true) { ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], High[shift1] + Range*1.5); ObjectSetText(PatternText[shift], "3InDown", fontsize1, font1, fontcolor1); downArrow[shift1] = High[shift1] + Range*0.5; } if (shift == 0 && Show_Alert == true) { pattern="3 Inside Down Pattern"; setalert = 1; } } // Check for Three Black Crows pattern /*if ((O > C * 1.01)&&(O1 > C1 * 1.01)&&(O2 > C2*1.01)&&(C < C1)&&(C1 < C2)&&(O > C1)&&(O < O1)&&(O1 > C2)&&(O1 < O2)&&(((C - L)/(H - L))<0.2)&&(((C1 - L1)/(H1 - L1))<0.2)&&(((C2 - L2)/(H2 - L2))<0.2)){ if (Display_Three_Black_Crows == true){ ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], High[shift1] + Range*1.5); ObjectSetText(PatternText[shift], "3BlkCrow", fontsize1, font1, fontcolor1); downArrow[shift1] = High[shift1] + Range*0.5; } if (shift == 0 && Show_Alert == true) { pattern="Three Black Crows Pattern"; setalert = 1; } }*/ // Check for Evening Star Pattern if ((C2>O2)&&((C2-O2)/(0.001+H2-L2)>0.6)&&(C2<O1)&&(C1>O1)&&((H1-L1)>(3*(C1-O1)))&&(O>C)&&(O<O1)) { if (Display_Stars == true) { ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], High[shift1] + Range*1.5); ObjectSetText(PatternText[shift], "EvenStar", fontsize1, font1, fontcolor1); downArrow[shift1] = High[shift1] + Range*0.5; } if (shift == 0 && Show_Alert == true) { pattern = "Evening Star Pattern"; setalert = 1; } } // End of Bearish Patterns // Bullish Patterns // Check for Bullish Engulfing pattern if ((O1>C1)&&(C>O)&&(C>=O1)&&(C1>=O)&&((C-O)>(O1-C1))) { if (Display_Bullish_Engulfing) { ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], Low[shift1] - Range*1.5); ObjectSetText(PatternText[shift], "BullGulf", fontsize1, font1, fontcolor1); upArrow[shift1] = Low[shift1] - Range*0.5; } if (shift == 0 && Show_Alert == true) { pattern="Bull Engulf Pattern"; setalert = 1; } } // Check for Three Outside Up pattern if ((O2>C2)&&(C1>O1)&&(C1>=O2)&&(C2>=O1)&&((C1-O1)>(O2-C2))&&(C>O)&&(C>C1)) { if (Display_Three_Outside_Up == true) { ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], Low[shift1] - Range*1.5); ObjectSetText(PatternText[shift], "3OutUp", fontsize1, font1, fontcolor1); upArrow[shift1] = Low[shift1] - Range*0.5; } if (shift == 0 && Show_Alert == true) { pattern="3 Outside Up Pattern"; setalert = 1; } } // Check for Bullish Harami pattern if ((O1>C1)&&(C>O)&&(C<=O1)&&(C1<=O)&&((C-O)<(O1-C1))) { if (Display_Harami == true) { ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], Low[shift1] - Range*1.5); ObjectSetText(PatternText[shift], "BullHara", fontsize1, font1, fontcolor1); upArrow[shift1] = Low[shift1] - Range*0.5; } if (shift == 0 && Show_Alert == true) { pattern="Bullish Harami Pattern"; setalert = 1; } } // Check for Three Inside Up pattern if ((O2>C2)&&(C1>O1)&&(C1<=O2)&&(C2<=O1)&&((C1-O1)<(O2-C2))&&(C>O)&&(C>C1)&&(O>O1)) { if (Display_Three_Inside_Up == true) { ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], Low[shift1] - Range*1.5); ObjectSetText(PatternText[shift], "3InUp", fontsize1, font1, fontcolor1); upArrow[shift1] = Low[shift1] - Range*0.5; } if (shift == 0 && Show_Alert == true) { pattern="3 Inside Up Pattern"; setalert = 1; } } // Check for Piercing Line pattern if ((C1<O1)&&(((O1+C1)/2)<C)&&(O<C)&&(O<C1)&&(C<O1)&&((C-O)/(0.001+(H-L))>0.6)) { if (Display_Piercing_Line == true) { ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], Low[shift1] - Range*1.5); ObjectSetText(PatternText[shift], "PiercingLine", fontsize1, font1, fontcolor1); upArrow[shift1] = Low[shift1] - Range*0.5; } if (shift == 0 && Show_Alert == true) { pattern="Piercing Line Pattern"; setalert = 1; } } // Check for Three White Soldiers pattern /*if ((C>O*1.01)&&(C1>O1*1.01)&&(C2>O2*1.01)&&(C>C1)&&(C1>C2)&&(O<C1)&&(O>O1)&&(O1<C2)&&(O1>O2)&&(((H-C)/(H-L))<0.2)&&(((H1-C1)/(H1-L1))<0.2)&&(((H2-C2)/(H2-L2))<0.2)) { if (Display_Three_White_Soldiers == true) { ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], Low[shift1] - Range*1.5); ObjectSetText(PatternText[shift], "3WhiteSoldiers", fontsize1, font1, fontcolor1); upArrow[shift1] = Low[shift1] - Range*0.5; } if (shift == 0 && Show_Alert == true) { pattern="3 White Soldiers Pattern"; setalert = 1; } }*/ // Check for Morning Doji Star if ((O2>C2)&&((O2-C2)/(0.001+H2-L2)>0.6)&&(C2>O1)&&(O1>C1)&&((H1-L1)>(3*(C1-O1)))&&(C>O)&&(O>O1)) { if (Display_Stars == true) { ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], Low[shift1] - Range*1.5); ObjectSetText(PatternText[shift], "MornDoji", fontsize1, font1, fontcolor1); upArrow[shift1] = Low[shift1] - Range*0.5; } if (shift == 0 && Show_Alert == true) { pattern="Morning Doji Star Pattern"; setalert = 1; } } if (setalert == 1 && shift == 0) { Alert(Symbol(), " ", period, " ", pattern); setalert = 0; } } // End of for loop return(0); } //+------------------------------------------------------------------+
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
Series array that contains open prices of each bar
Series array that contains close prices for each bar
Indicator Curves created:
Implements a curve of type DRAW_ARROW
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen