//+------------------------------------------------------------------+
//| EMA-Crossover_Signal.mq4 |
//| Copyright © 2005, Jason Robinson (jnrtrading) |
//| http://www.jnrtading.co.uk |
//+------------------------------------------------------------------+
/*
+------------------------------------------------------------------+
| Allows you to enter two ma 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. |
+------------------------------------------------------------------+
*/
#property copyright "Copyright © 2005, Jason Robinson (jnrtrading)"
#property link "http://www.jnrtrading.co.uk"
#property indicator_separate_window
#property indicator_buffers 6
#property indicator_color1 Yellow
#property indicator_color2 SkyBlue
#property indicator_color3 Red
#property indicator_color4 White
//---- input parameters
/*************************************************************************
---------------------------------------
PRICE_CLOSE 0 Close price.
PRICE_OPEN 1 Open price.
PRICE_HIGH 2 High price.
PRICE_LOW 3 Low price.
PRICE_MEDIAN 4 Median price, (high+low)/2.
PRICE_TYPICAL 5 Typical price, (high+low+close)/3.
PRICE_WEIGHTED 6 Weighted close price, (high+low+close+close)/4.
You must use the numeric value of the Applied Price that you want to use
when you set the 'applied_price' value with the indicator inputs.
---------------------------------------
**************************************************************************/
double CrossUp[];
double CrossDown[];
extern int FasterMode = 3; //0=sma, 1=ema, 2=smma, 3=lwma
extern int FasterMA = 3;
extern int Faster_applied_price=PRICE_OPEN;
extern int SlowerMode = 3; //0=sma, 1=ema, 2=smma, 3=lwma
extern int SlowerMA = 3;
extern int Slower_applied_price=PRICE_CLOSE;
double ExtMapBuffer1[];
double ExtMapBuffer2[];
extern bool SoundON=true;
double alertTag;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
SetIndexStyle(0, DRAW_ARROW, STYLE_SOLID,3);
SetIndexArrow(0, 233);
SetIndexBuffer(0, CrossUp);
SetIndexStyle(1, DRAW_ARROW, STYLE_SOLID,3);
SetIndexArrow(1, 234);
SetIndexBuffer(1, CrossDown);
//---- indicators
SetIndexStyle(2,DRAW_LINE);
SetIndexBuffer(2,ExtMapBuffer1);
SetIndexStyle(3,DRAW_LINE);
SetIndexBuffer(3,ExtMapBuffer2);
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start() {
int limit, i, counter;
double fasterMAnow, slowerMAnow, fasterMAprevious, slowerMAprevious,
fasterMAafter, slowerMAafter;
double Range, AvgRange;
int counted_bars=IndicatorCounted();
int counted_bars1=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;
fasterMAnow = iMA(NULL, 0, FasterMA, 0, FasterMode, PRICE_CLOSE,
i);
fasterMAprevious = iMA(NULL, 0, FasterMA, 0, FasterMode,
PRICE_CLOSE, i+1);
fasterMAafter = iMA(NULL, 0, FasterMA, 0, FasterMode,
PRICE_CLOSE, i-1);
slowerMAnow = iMA(NULL, 0, SlowerMA, 0, SlowerMode, PRICE_CLOSE,
i);
slowerMAprevious = iMA(NULL, 0, SlowerMA, 0, SlowerMode,
PRICE_CLOSE, i+1);
slowerMAafter = iMA(NULL, 0, SlowerMA, 0, SlowerMode,
PRICE_CLOSE, i-1);
if ( (fasterMAnow > slowerMAnow) && (fasterMAprevious <
slowerMAprevious) && (fasterMAafter > slowerMAafter)) {
CrossUp[i] = Low[i] - Range*0.5;
if (SoundON==true && alertTag!=Time[0]){
// Alert("EMA Cross Trend going UP on ",Symbol(),Period());
PlaySound("trendup.wav");
alertTag = Time[0];}
}
else if ((fasterMAnow < slowerMAnow) && (fasterMAprevious >
slowerMAprevious) && (fasterMAafter < slowerMAafter)) {
CrossDown[i] = High[i] + Range*0.5;
if (SoundON==true && alertTag!=Time[0]){
// Alert("EMA Cross Trend going Down on ",Symbol(),Period());
PlaySound("trendn.wav");
alertTag = Time[0];
}
}
}
//---- check for possible errors
if (counted_bars1<0) return(-1);
//---- last counted bar will be recounted
if (counted_bars1>0) counted_bars1--;
int pos=Bars-counted_bars1;
while(pos>=0)
{
ExtMapBuffer1[pos]= iMA(NULL,0,FasterMA,0,FasterMode,Faster_applied_price,pos);
ExtMapBuffer2[pos]= iMA(NULL,0,SlowerMA,0,SlowerMode,Slower_applied_price,pos);
pos--;
}
//----
return(0);
}
Sample
Analysis
Market Information Used:
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 time of each bar
Indicator Curves created:
Implements a curve of type DRAW_ARROW
Implements a curve of type DRAW_LINE
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features:
It plays sound alerts