//|------------------------------------------------------------------+
//| SHI_Slope.mq4 |
//| Shimodax, Shurka & Kevin |
//| |
//+------------------------------------------------------------------+
#property copyright "Shimodax, based on SHI-Channel from Shurka & Kevin"
#property link "http://www.strategybuilderfx.com/forums/showthread.php?t=15112"
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 LimeGreen
#property indicator_color2 Red
double UpSlopeBuf[];
double DownSlopeBuf[];
//---- input parameters
extern bool AlertRedGreenChange= false; // signal changes in slope
extern int HistorySize= 1000; // number of slope-values in history
extern int SHIBars= 240; // bars to use to find a channel
extern int BarsForFract= 0;
#include "fxoe-lib.mqh"
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
SetIndexStyle(0, DRAW_HISTOGRAM,STYLE_SOLID);
SetIndexBuffer(0, UpSlopeBuf);
SetIndexDrawBegin(0, Bars - HistorySize);
SetIndexStyle(1, DRAW_HISTOGRAM,STYLE_SOLID);
SetIndexBuffer(1, DownSlopeBuf);
SetIndexDrawBegin(1, Bars - HistorySize);
IndicatorShortName("FXOE-Slope(Hist= "+HistorySize+" bars)= ");
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
double rcslope, dummy1[100], dummy2[100], dummy3[100], dummy4[100];
int counted_bars= IndicatorCounted(),
lastbar,
rc;
if (counted_bars>0)
counted_bars--;
lastbar= Bars - counted_bars;
lastbar= MathMin(lastbar, HistorySize-2);
for (int i= lastbar; i>=0; i--) {
rc= SHIChannels(i, SHIBars, UpSlopeBuf, DownSlopeBuf, dummy1, dummy2, dummy3, dummy4, rcslope, BarsForFract, false);
if (AlertRedGreenChange && i==0) {
static bool didalert= false;
double thisslope= UpSlopeBuf[0] + DownSlopeBuf[0], // one of the two will be zero
lastslope= UpSlopeBuf[1] + DownSlopeBuf[1]; // one of the two will be zero
if ((thisslope>0 && lastslope<=0) || (thisslope<0 && lastslope>=0)) {
if (!didalert) {
Alert("FXOE-SHISlope signals change in channel direction on ", Symbol(),"/",Period());
didalert= true;
}
}
else {
didalert= false;
}
}
}
return (0);
}
Sample
Analysis
Market Information Used:
Indicator Curves created:
Implements a curve of type DRAW_HISTOGRAM
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen