//+------------------------------------------------------------------+
//| 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 Yellow
#property indicator_color2 Yellow
extern bool Show_Alert = true;
extern int Pointer_Offset = 9;
extern int High_Offset = 10;
extern bool Display_ShootStar = true;
extern bool Show_ShootStar_Alert = true;
extern int Offset_ShootStar = 12;
extern color Color_ShootStar = Green;
extern int Text_ShootStar = 8;
extern bool Display_Hammer = true;
extern bool Show_Hammer_Alert = true;
extern int Offset_Hammer = 6;
extern color Color_Hammer = Green;
extern int Text_Hammer = 8;
extern double Candle_WickBody_Percent=0.90;
extern int CandleLength=12;
//---- buffers
double upArrow[];
double downArrow[];
string PatternText[10000];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init() {
//---- indicators
SetIndexStyle(0,DRAW_ARROW, EMPTY);
SetIndexArrow(0,72);
SetIndexBuffer(0, downArrow);
SetIndexStyle(1,DRAW_ARROW, EMPTY);
SetIndexArrow(1,71);
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;
int shift4;
string pattern, period;
int setPattern = 0;
int alert = 0;
int arrowShift;
int textShift;
double O, O1, O2, C, C1, C2, C3, L, L1, L2, L3, H, H1, H2, H3;
double CL, CLmin, CL1, CL2, BL, BLa, BL90, BL1, BL2, UW, UWa, UW1, UW2, LW, LWa, LW1, LW2, BodyHigh, BodyLow;
BodyHigh = 0;
BodyLow = 0;
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;
shift4 = shift + 4;
O = Open[shift1];
O1 = Open[shift2];
O2 = Open[shift3];
H = High[shift1];
H1 = High[shift2];
H2 = High[shift3];
H3 = High[shift4];
L = Low[shift1];
L1 = Low[shift2];
L2 = Low[shift3];
L3 = Low[shift4];
C = Close[shift1];
C1 = Close[shift2];
C2 = Close[shift3];
C3 = Close[shift4];
if (O>C) {
BodyHigh = O;
BodyLow = C; }
else {
BodyHigh = C;
BodyLow = O; }
CL = High[shift1]-Low[shift1];
CL1 = High[shift2]-Low[shift2];
CL2 = High[shift3]-Low[shift3];
BL = Open[shift1]-Close[shift1];
UW = High[shift1]-BodyHigh;
LW = BodyLow-Low[shift1];
BLa = MathAbs(BL);
BL90 = BLa*Candle_WickBody_Percent;
// Bearish Patterns
// Check for Bearish Shooting Star
if ((H>=H1)&&(H>H2)&&(H>H3)) {
if (((UW/2)>LW)&&(UW>(2*BL90))&&(CL>=(CandleLength*Point))&&(O!=C)/*&&(L>L1)&&(L>L2)*/) {
if (Display_ShootStar == true) {
ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], High[shift1] + (Pointer_Offset+Offset_ShootStar+High_Offset)*Point);
ObjectSetText(PatternText[shift], "SS 2", Text_ShootStar, "Times New Roman", Color_ShootStar);
downArrow[shift1] = High[shift1] + (Pointer_Offset*Point);
}
}
if (Show_ShootStar_Alert) {
if (setalert == 0 && Show_Alert == true) {
pattern = "Shooting Star 2";
setalert = 1;
}
}
}
// Check for Bearish Shooting Star
if ((H>=H1)&&(H>H2)&&(H>H3)) {
if (((UW/3)>LW)&&(UW>(2*BL90))&&(CL>=(CandleLength*Point))&&(O!=C)/*&&(L>L1)&&(L>L2)*/) {
if (Display_ShootStar == true) {
ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], High[shift1] + (Pointer_Offset+Offset_ShootStar+High_Offset)*Point);
ObjectSetText(PatternText[shift], "SS 3", Text_ShootStar, "Times New Roman", Color_ShootStar);
downArrow[shift1] = High[shift1] + (Pointer_Offset*Point);
}
}
if (Show_ShootStar_Alert) {
if (setalert == 0 && Show_Alert == true) {
pattern = "Shooting Star 3";
setalert = 1;
}
}
}
// Check for Bearish Shooting Star
if ((H>=H1)&&(H>H2)&&(H>H3)) {
if (((UW/4)>LW)&&(UW>(2*BL90))&&(CL>=(CandleLength*Point))&&(O!=C)/*&&(L>L1)&&(L>L2)*/) {
if (Display_ShootStar == true) {
ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], High[shift1] + (Pointer_Offset+Offset_ShootStar+High_Offset)*Point);
ObjectSetText(PatternText[shift], "SS 4", Text_ShootStar, "Times New Roman", Color_ShootStar);
downArrow[shift1] = High[shift1] + (Pointer_Offset*Point);
}
}
if (Show_ShootStar_Alert) {
if (setalert == 0 && Show_Alert == true) {
pattern = "Shooting Star 4";
setalert = 1;
}
}
}
// End of Bearish Patterns
// Bullish Patterns
// Check for Bullish Hammer
if ((L<=L1)&&(L<L2)&&(L<L3)) {
if (((LW/2)>UW)&&(LW>BL90)&&(CL>=(CandleLength*Point))&&(O!=C)/*&&(H<H1)&&(H<H2)*/) {
if (Display_Hammer == true) {
ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], Low[shift1] - (Pointer_Offset+Offset_Hammer)*Point);
ObjectSetText(PatternText[shift], "HMR 2", Text_Hammer, "Times New Roman", Color_Hammer);
upArrow[shift1] = Low[shift1] - (Pointer_Offset*Point);
}
}
if (Show_Hammer_Alert) {
if (setalert == 0 && Show_Alert == true) {
pattern = "Bullish Hammer 2";
setalert = 1;
}
}
}
// Check for Bullish Hammer
if ((L<=L1)&&(L<L2)&&(L<L3)) {
if (((LW/3)>UW)&&(LW>BL90)&&(CL>=(CandleLength*Point))&&(O!=C)/*&&(H<H1)&&(H<H2)*/) {
if (Display_Hammer == true) {
ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], Low[shift1] - (Pointer_Offset+Offset_Hammer)*Point);
ObjectSetText(PatternText[shift], "HMR 3", Text_Hammer, "Times New Roman", Color_Hammer);
upArrow[shift1] = Low[shift1] - (Pointer_Offset*Point);
}
}
if (Show_Hammer_Alert) {
if (setalert == 0 && Show_Alert == true) {
pattern = "Bullish Hammer 3";
setalert = 1;
}
}
}
// Check for Bullish Hammer
if ((L<=L1)&&(L<L2)&&(L<L3)) {
if (((LW/4)>UW)&&(LW>BL90)&&(CL>=(CandleLength*Point))&&(O!=C)/*&&(H<H1)&&(H<H2)*/) {
if (Display_Hammer == true) {
ObjectCreate(PatternText[shift], OBJ_TEXT, 0, Time[shift1], Low[shift1] - (Pointer_Offset+Offset_Hammer)*Point);
ObjectSetText(PatternText[shift], "HMR 4", Text_Hammer, "Times New Roman", Color_Hammer);
upArrow[shift1] = Low[shift1] - (Pointer_Offset*Point);
}
}
if (Show_Hammer_Alert) {
if (setalert == 0 && Show_Alert == true) {
pattern = "Bullish Hammer 4";
setalert = 1;
}
}
}
// End of Bullish Patterns
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