double_ema_crossover_with_arrow_and_email

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更新日期:2022-03-02 分类标签: 语言:中文 平台:没限制

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double_ema_crossover_with_arrow_and_email

//+------------------------------------------------------------------+
//| 2MA Crossover.mq4 modified from |
//| EMA-Crossover_Signal.mq4 |
//| Copyright ?2005-07, Jason Robinson (jnrtrading) |
//| http://www.jnrtading.co.uk |
//+------------------------------------------------------------------+

/*
+------------------------------------------------------------------+
| Allows you to enter two ema periods and it will then show you at |
| Which point they crossed over. It is more usful on the shorter |
| periods that get obscured by the bars / candlesticks and when |
| the zoom level is out. Also allows you then to remove the emas |
| from the chart. (emas are initially set at 5 and 6) |
+------------------------------------------------------------------+
*/
#property copyright "Copyright ?2005-07, Jason Robinson (jnrtrading)"
#property link "http://www.jnrtrading.co.uk"

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_width1 1
#property indicator_color2 Red
#property indicator_width2 1

extern string note1 = "First Moving Average";
extern int MA1 = 8;
extern string note2 = "0=sma, 1=ema, 2=smma, 3=lwma";
extern int MA1Mode = 1; //0=sma, 1=ema, 2=smma, 3=lwma
extern string note3 = "--------------------------------------------";
extern string note4 = "Second Moving Average";
extern int MA2 = 13;
extern string note5 = "0=sma, 1=ema, 2=smma, 3=lwma";
extern int MA2Mode = 1; //0=sma, 1=ema, 2=smma, 3=lwma
extern string note6 = "--------------------------------------------";
extern string note7 = "Arrow Type";
extern string note8 = "0=Thick, 1=Thin, 2=Hollow, 3=Round";
extern string note9 = "4=Fractal, 5=Diagonal Thin";
extern string note10 = "6=Diagonal Thick, 7=Diagonal Hollow";
extern string note11 = "8=Thumb, 9=Finger";
extern int ArrowType=2;
extern string note12 = "--------------------------------------------";
extern string note13 = "turn on Alert = true; turn off = false";
extern bool AlertOn = true;
extern string note14 = "--------------------------------------------";
extern string note15 = "send Email Alert = true; turn off = false";
extern bool SendAnEmail=true;

double CrossUp[];
double CrossDown[];
string AlertPrefix, MA1short_name, MA2short_name;
string GetTimeFrameStr() {
switch(Period())
{
case 1 : string TimeFrameStr="M1"; break;
case 5 : TimeFrameStr="M5"; break;
case 15 : TimeFrameStr="M15"; break;
case 30 : TimeFrameStr="M30"; break;
case 60 : TimeFrameStr="H1"; break;
case 240 : TimeFrameStr="H4"; break;
case 1440 : TimeFrameStr="D1"; break;
case 10080 : TimeFrameStr="W1"; break;
case 43200 : TimeFrameStr="MN1"; break;
default : TimeFrameStr=Period();
}
return (TimeFrameStr);
}

//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
if (ArrowType == 0) {
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0, 233);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1, 234);
}
else if (ArrowType == 1) {
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0, 225);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1, 226);
}
else if (ArrowType == 2) {
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0, 241);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1, 242);
}
else if (ArrowType == 3) {
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0, 221);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1, 222);
}
else if (ArrowType == 4) {
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0, 217);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1, 218);
}
else if (ArrowType == 5) {
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0, 228);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1, 230);
}
else if (ArrowType == 6) {
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0, 236);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1, 238);
}
else if (ArrowType == 7) {
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0, 246);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1, 248);
}
else if (ArrowType == 8) {
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0, 67);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1, 68);
}
else if (ArrowType == 9) {
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0, 71);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1, 72);
}

SetIndexBuffer(0, CrossUp);
SetIndexBuffer(1, CrossDown);

//---- indicator short name
switch(MA1Mode)
{
case 1 : MA1short_name="EMA"; break;
case 2 : MA1short_name="SMMA"; break;
case 3 : MA1short_name="LWMA"; break;
default :
MA1Mode=0;
MA1short_name="SMA";
}
switch(MA2Mode)
{
case 1 : MA2short_name="EMA"; break;
case 2 : MA2short_name="SMMA"; break;
case 3 : MA2short_name="LWMA"; break;
default :
MA2Mode=0;
MA2short_name="SMA";
}

AlertPrefix=Symbol()+" ("+GetTimeFrameStr()+"): ";
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----

//----
return(0);
}
//+------------------------------------------------------------------+
bool NewBar()
{
static datetime lastbar;
datetime curbar = Time[0];
if(lastbar!=curbar)
{
lastbar=curbar;
return (true);
}
else
{
return(false);
}
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start() {
int limit, i, counter;
double MA1now, MA2now, MA1previous, MA2previous, MA1after, MA2after;
double Range, AvgRange;
int counted_bars=IndicatorCounted();
//---- check for possible errors
if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
if(counted_bars>0) counted_bars--;

limit=Bars-counted_bars;

for(i = 0; i <= limit; i++) {

counter=i;
Range=0;
AvgRange=0;
for (counter=i ;counter<=i+9;counter++)
{
AvgRange=AvgRange+MathAbs(High[counter]-Low[counter]);
}
Range=AvgRange/10;

MA1now = iMA(NULL, 0, MA1, 0, MA1Mode, PRICE_CLOSE, i);
MA1previous = iMA(NULL, 0, MA1, 0, MA1Mode, PRICE_CLOSE, i+1);
MA1after = iMA(NULL, 0, MA1, 0, MA1Mode, PRICE_CLOSE, i-1);

MA2now = iMA(NULL, 0, MA2, 0, MA2Mode, PRICE_CLOSE, i);
MA2previous = iMA(NULL, 0, MA2, 0, MA2Mode, PRICE_CLOSE, i+1);
MA2after = iMA(NULL, 0, MA2, 0, MA2Mode, PRICE_CLOSE, i-1);

if ((MA1now > MA2now) && (MA1previous < MA2previous) && (MA1after > MA2after)) {
CrossUp[i] = Low[i] - Range*1.5;
if (AlertOn && NewBar()) {
Alert(AlertPrefix+MA1short_name+" ("+MA1+") "+"crosses UP " + MA2short_name+" ("+MA2+")");
}
if (SendAnEmail && NewBar()) {
SendMail("Price closed above MA"," Price closed above moving average");
}
}
else if ((MA1now < MA2now) && (MA1previous > MA2previous) && (MA1after < MA2after)) {
CrossDown[i] = High[i] + Range*1.5;
if (AlertOn && NewBar()) {
Alert(AlertPrefix+MA1short_name+" ("+MA1+") "+"crosses DOWN " + MA2short_name+" ("+MA2+")");
}
if (SendAnEmail && NewBar()) {
SendMail("Price closed below MA"," Price closed below moving average");
}
}
}
return(0);
}

 

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