//+------------------------------------------------------------------+
//| SSL channel chart.mq4 |
//| mladen |
//| |
//| initial SSL for metatrader developed by Kalenzo |
//+------------------------------------------------------------------+
#property copyright "copyleft mladen"
#property link "mladenfx@gmail.com"
#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Red
#property indicator_color2 Green
#property indicator_color3 OrangeRed
#property indicator_color4 Lime
#property indicator_width1 2
#property indicator_width2 2
//
//
//
//
//
extern int Lb = 10;
extern bool alertsOn = false;
extern bool alertsMessage = true;
extern bool alertsSound = false;
extern bool alertsEmail = false;
extern bool showArrows = false;
double ssld[];
double sslu[];
double sslad[];
double sslau[];
double Hlv[];
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
int init()
{
IndicatorBuffers(5);
SetIndexBuffer(0,ssld); SetIndexDrawBegin(0,Lb+1);
SetIndexBuffer(1,sslu); SetIndexDrawBegin(0,Lb+1);
SetIndexBuffer(2,sslad); SetIndexDrawBegin(0,Lb+1); SetIndexStyle(2,DRAW_ARROW); SetIndexArrow(2,234);
SetIndexBuffer(3,sslau); SetIndexDrawBegin(0,Lb+1); SetIndexStyle(3,DRAW_ARROW); SetIndexArrow(3,233);
SetIndexBuffer(4,Hlv);
return(0);
}
//
//
//
//
//
int start()
{
int counted_bars=IndicatorCounted();
int i,limit;
if(counted_bars<0) return(-1);
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars;
//
//
//
//
//
for(i=limit;i>=0;i--)
{
Hlv[i] = Hlv[i+1];
if(Close[i]>iMA(Symbol(),0,Lb,0,MODE_SMA,PRICE_HIGH,i+1)) Hlv[i] = 1;
if(Close[i]<iMA(Symbol(),0,Lb,0,MODE_SMA,PRICE_LOW,i+1)) Hlv[i] = -1;
if(Hlv[i] == -1)
{
ssld[i] = iMA(Symbol(),0,Lb,0,MODE_SMA,PRICE_HIGH,i+1);
sslu[i] = iMA(Symbol(),0,Lb,0,MODE_SMA,PRICE_LOW ,i+1);
}
else
{
ssld[i] = iMA(Symbol(),0,Lb,0,MODE_SMA,PRICE_LOW ,i+1);
sslu[i] = iMA(Symbol(),0,Lb,0,MODE_SMA,PRICE_HIGH,i+1);
}
//
//
//
//
//
sslau[i] = EMPTY_VALUE;
sslad[i] = EMPTY_VALUE;
if (showArrows)
{
if (Hlv[i]!=Hlv[i+1])
if (Hlv[i]==1)
sslau[i] = ssld[i]-iATR(NULL,0,15,i)/2.0;
else sslad[i] = ssld[i]+iATR(NULL,0,15,i)/2.0;
}
}
//
//
//
//
//
if (alertsOn)
if (Hlv[0] != Hlv[1])
if (Hlv[0] == 1)
doAlert("up");
else doAlert("down");
return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
void doAlert(string doWhat)
{
static string previousAlert="nothing";
static datetime previousTime;
string message;
if (previousAlert != doWhat || previousTime != Time[0]) {
previousAlert = doWhat;
previousTime = Time[0];
//
//
//
//
//
message = StringConcatenate(Symbol()," at ",TimeToStr(TimeLocal(),TIME_SECONDS)," SSL trend changed to ",doWhat);
if (alertsMessage) Alert(message);
if (alertsEmail) SendMail(StringConcatenate(Symbol(),"SSL "),message);
if (alertsSound) PlaySound("alert2.wav");
}
}
Sample
Analysis
Market Information Used:
Series array that contains close prices for each bar
Series array that contains open time of each bar
Indicator Curves created:
Implements a curve of type DRAW_ARROW
Indicators Used:
Moving average indicator
Indicator of the average true range
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen
It sends emails
It plays sound alerts