//+------------------------------------------------------------------+
//| Zigzag2_R_.mq4 |
//| Copyright © 2005-2007, MetaQuotes Software Corp. |
//| http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
/* Â ñòàíäàðòíîì èíäèêàòîðå http://codebase.mql4.com/ru/238 äëÿ |
ðèñîâàíèÿ èñïîëüçîâàëñÿ ñòèëü DRAW_SECTION. Ýòîò ñòèëü ïîçâîëÿåò |
ðèñîâàòü îòðåçêàìè òîëüêî ìåæäó òî÷êàìè, íàõîäÿùèìèìñÿ íà ðàçíûõ |
áàðàõ. Ñòèëü îòðèñîâêè DRAW_ZIGZAG ïîçâîëÿåò ñíÿòü ýòî îãðàíè÷åíèå, |
äëÿ ýòîãî èñïîëüçóþòñÿ äâà áóôåðà âìåñòî îäíîãî. Äëÿ èëëþñòðàöèè |
ýòîãî ñòèëÿ è áûë íàïèñàí Zigzag2_R_.mq4. |
 êîä äîáàâëåíà îáðàáîòêà âíåøíåãî áàðà (outside bar), êîãäà High |
òåêóùåãî áàðà âûøå ïðåäûäóùèõ, à Low òåêóùåãî áàðà íèæå ïðåäûäóùèõ. |
Êîä òàêæå äåìîíñòðèðóåò, ÷òî öâåò îïðåäåëÿåòñÿ öâåòîì ïåðâîãî èç |
äâóõ áóôåðîâ. |
#property indicator_chart_window |
#property indicator_buffers 2 |
#property indicator_color1 Blue |
#property indicator_color2 Red |
Äëÿ âûçîâà ýòîãî èíäèêàòîðà èç äðóãèõ ïðîãðàìì íà mql4 òåïåðü |
íåîáõîäèìî èñïîëüçîâàòü äâå êîíñòðóêöèè: |
iCustom(NULL, 0, "Zigzag2_R_", 12, 5, 3, 0, index) - ïè÷êè |
iCustom(NULL, 0, "Zigzag2_R_", 12, 5, 3, 1, index) - äîíûøêè |
Áëîê îáðàáîòêè âíåøíåãî áàðà äàí êàê ïðèìåð. Âû ìîæåòå èñïîëüçîâàòü |
ñâîé àëãîðèòì äëÿ òàêîé ñèòóàöèè. |
//+------------------------------------------------------------------+
*/
#property copyright "Copyright © 2007, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net/"
//----
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red
//---- indicator parameters
extern int ExtDepth = 12;
extern int ExtDeviation = 5;
extern int ExtBackstep = 3;
//---- indicator buffers
double ZigzagPeakBuffer[];
double ZigzagLawnBuffer[];
double HighMapBuffer[];
double LowMapBuffer[];
int level = 3; // recounting's depth
bool downloadhistory = false;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
IndicatorBuffers(4);
//---- drawing settings
SetIndexStyle(0, DRAW_ZIGZAG);
SetIndexStyle(1, DRAW_ZIGZAG);
//---- indicator buffers mapping
SetIndexBuffer(0, ZigzagPeakBuffer);
SetIndexBuffer(1, ZigzagLawnBuffer);
SetIndexLabel(0, "ZigzafPeak");
SetIndexLabel(1, "ZigzafLawn");
//----
SetIndexBuffer(2, HighMapBuffer);
SetIndexBuffer(3, LowMapBuffer);
//----
SetIndexEmptyValue(0, 0.0);
SetIndexEmptyValue(1, 0.0);
//---- indicator short name
IndicatorShortName("ZigZag(" + ExtDepth + "," + ExtDeviation + "," +
ExtBackstep + ")");
//---- initialization done
return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
int start()
{
int i, counted_bars = IndicatorCounted();
int limit, counterZ, whatlookfor;
int shift, back, lasthighpos, lastlowpos;
double val, res;
double curlow, curhigh, lasthigh, lastlow;
// history was downloaded
if(counted_bars == 0 && downloadhistory)
{
ArrayInitialize(ZigzagPeakBuffer, 0.0);
ArrayInitialize(ZigzagLawnBuffer, 0.0);
ArrayInitialize(HighMapBuffer, 0.0);
ArrayInitialize(LowMapBuffer, 0.0);
}
//----
if(counted_bars == 0)
{
limit = Bars - ExtDepth;
downloadhistory = true;
}
//----
if(counted_bars > 0)
{
//----
while(counterZ < level && i < 100)
{
res = (ZigzagPeakBuffer[i] + ZigzagLawnBuffer[i]);
//----
if(res != 0)
counterZ++;
i++;
}
i--;
limit = i;
//----
if(LowMapBuffer[i] != 0)
{
curlow = LowMapBuffer[i];
whatlookfor = 1;
}
else
{
curhigh = HighMapBuffer[i];
whatlookfor = -1;
}
//----
for(i = limit - 1; i >= 0; i--)
{
ZigzagPeakBuffer[i] = 0.0;
ZigzagLawnBuffer[i] = 0.0;
LowMapBuffer[i] = 0.0;
HighMapBuffer[i] = 0.0;
}
}
//----
for(shift = limit; shift >= 0; shift--)
{
val = Low[iLowest(NULL, 0, MODE_LOW, ExtDepth, shift)];
//----
if(val == lastlow)
val = 0.0;
else
{
lastlow = val;
//----
if((Low[shift] - val) > (ExtDeviation*Point))
val = 0.0;
else
{
//----
for(back = 1; back <= ExtBackstep; back++)
{
res = LowMapBuffer[shift+back];
//----
if((res != 0) && (res > val))
LowMapBuffer[shift+back] = 0.0;
}
}
}
//----
if(Low[shift] == val)
LowMapBuffer[shift] = val;
else
LowMapBuffer[shift] = 0.0;
//--- high
val = High[iHighest(NULL, 0, MODE_HIGH, ExtDepth, shift)];
//----
if(val == lasthigh)
val = 0.0;
else
{
lasthigh = val;
//----
if((val - High[shift]) > (ExtDeviation*Point))
val = 0.0;
else
{
//----
for(back = 1; back <= ExtBackstep; back++)
{
res = HighMapBuffer[shift+back];
//----
if((res != 0) && (res < val))
HighMapBuffer[shift+back] = 0.0;
}
}
}
//----
if(High[shift] == val)
HighMapBuffer[shift] = val;
else
HighMapBuffer[shift] = 0.0;
}
// final cutting
if(whatlookfor == 0)
{
lastlow = 0;
lasthigh = 0;
}
else
{
lastlow = curlow;
lasthigh = curhigh;
}
//----
for(shift = limit; shift >= 0; shift--)
{
res = 0.0;
switch(whatlookfor)
{
// look for peak or lawn
case 0: if(lastlow == 0 && lasthigh == 0)
{
if(HighMapBuffer[shift] != 0)
{
lasthigh = High[shift];
lasthighpos = shift;
whatlookfor = -1;
ZigzagPeakBuffer[shift] = lasthigh;
res = 1;
}
if(LowMapBuffer[shift] != 0)
{
lastlow = Low[shift];
lastlowpos = shift;
whatlookfor = 1;
ZigzagLawnBuffer[shift] = lastlow;
res = 1;
}
}
break;
// look for peak
case 1: if(LowMapBuffer[shift] != 0.0 && LowMapBuffer[shift] < lastlow &&
HighMapBuffer[shift] == 0.0)
{
ZigzagLawnBuffer[lastlowpos] = 0.0;
lastlowpos = shift;
lastlow = LowMapBuffer[shift];
ZigzagLawnBuffer[shift] = lastlow;
res = 1;
}
if(HighMapBuffer[shift] != 0.0 && LowMapBuffer[shift] == 0.0)
{
lasthigh = HighMapBuffer[shift];
lasthighpos = shift;
ZigzagPeakBuffer[shift] = lasthigh;
whatlookfor = -1;
res = 1;
}
break;
// look for lawn
case -1: if(HighMapBuffer[shift] != 0.0 &&
HighMapBuffer[shift] > lasthigh &&
LowMapBuffer[shift] == 0.0)
{
ZigzagPeakBuffer[lasthighpos] = 0.0;
lasthighpos = shift;
lasthigh = HighMapBuffer[shift];
ZigzagPeakBuffer[shift] = lasthigh;
}
if(LowMapBuffer[shift] != 0.0 && HighMapBuffer[shift] == 0.0)
{
lastlow = LowMapBuffer[shift];
lastlowpos = shift;
ZigzagLawnBuffer[shift] = lastlow;
whatlookfor = 1;
}
break;
default: return;
}
}
//----
return(0);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains the lowest prices of each bar
Series array that contains the highest prices of each bar
Indicator Curves created:
Implements a curve of type DRAW_ZIGZAG
Indicators Used:
Custom Indicators Used:
Zigzag2_R_
Order Management characteristics:
Other Features: