//+------------------------------------------------------------------+
//| DeMarker.mq4 |
//| Copyright © 2005, MetaQuotes Software Corp. |
//| http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net"
#property indicator_separate_window
#property indicator_minimum 0
#property indicator_maximum 1
#property indicator_buffers 1
#property indicator_color1 DodgerBlue
#property indicator_level1 0.3
#property indicator_level2 0.7
//---- input parameters
extern int DeMarkerPeriod=14;
//---- buffers
double DeMarkerBuffer[];
double ExtMaxBuffer[];
double ExtMinBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
string short_name;
//---- 2 additional buffers are used for counting.
IndicatorBuffers(3);
SetIndexBuffer(0,DeMarkerBuffer);
SetIndexBuffer(1,ExtMaxBuffer);
SetIndexBuffer(2,ExtMinBuffer);
//---- indicator line
SetIndexStyle(0,DRAW_LINE);
//---- name for DataWindow and indicator subwindow label
short_name="DeM("+DeMarkerPeriod+")";
IndicatorShortName(short_name);
SetIndexLabel(0,short_name);
//---- first values aren't drawn
SetIndexDrawBegin(0,DeMarkerPeriod);
//----
return(0);
}
//+------------------------------------------------------------------+
//| DeMarker |
//+------------------------------------------------------------------+
int start()
{
double dNum;
int i,nCountedBars;
//---- insufficient data
if(Bars<=DeMarkerPeriod) return(0);
//---- bars count that does not changed after last indicator launch.
nCountedBars=IndicatorCounted();
//----
ExtMaxBuffer[Bars-1]=0.0;
ExtMinBuffer[Bars-1]=0.0;
if(nCountedBars>2) i=Bars-nCountedBars-1;
else i=Bars-2;
while(i>=0)
{
dNum=High[i]-High[i+1];
if(dNum<0.0) dNum=0.0;
ExtMaxBuffer[i]=dNum;
dNum=Low[i+1]-Low[i];
if(dNum<0.0) dNum=0.0;
ExtMinBuffer[i]=dNum;
i--;
}
//---- initial zero
if(nCountedBars<1)
for(i=1; i<=DeMarkerPeriod; i++)
DeMarkerBuffer[Bars-i]=0.0;
//----
i=Bars-DeMarkerPeriod-1;
if(nCountedBars>=DeMarkerPeriod) i=Bars-nCountedBars-1;
while(i>=0)
{
dNum=iMAOnArray(ExtMaxBuffer,0,DeMarkerPeriod,0,MODE_SMA,i)+
iMAOnArray(ExtMinBuffer,0,DeMarkerPeriod,0,MODE_SMA,i);
if(dNum!=0.0)
DeMarkerBuffer[i]=iMAOnArray(ExtMaxBuffer,0,DeMarkerPeriod,0,MODE_SMA,i)/dNum;
else
DeMarkerBuffer[i]=0.0;
i--;
}
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
Indicator Curves created:
Implements a curve of type DRAW_LINE
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features: