WAVE ATR

// Supertrend - Translated from Kolier MQ4
// see: http://kolier.li/indicator/kolier-supertrend-indi
// translation in Amibroker AFL code by E.M.Pottasch, 2011

procedure calcTrend_proc(ATR_Period,tr,ATR_Multiplier,TrendMode,CalcPrice)
{
global buffer_line_down;
global buffer_line_up;
buffer_line_down = Null;
buffer_line_up = Null;

PHASE_NONE = 0;
PHASE_BUY = 1;
PHASE_SELL = -1;

phase=PHASE_NONE;
band_upper = 0;band_lower = 0;

for(i = ATR_Period + 1; i < BarCount; i++) { band_upper = CalcPrice[i] + ATR_Multiplier * tr[i]; band_lower = CalcPrice[i] - ATR_Multiplier * tr[i]; if(phase==PHASE_NONE) { buffer_line_up[i] = CalcPrice[i]; buffer_line_down[i] = CalcPrice[i]; } if(phase!=PHASE_BUY && Close[i]>buffer_line_down[i-1] && !IsEmpty(buffer_line_down[i-1]))
{
phase = PHASE_BUY;
buffer_line_up[i] = band_lower;
buffer_line_up[i-1] = buffer_line_down[i-1];
}
if(phase!=PHASE_SELL && Close[i]buffer_line_up[i-1])
{
buffer_line_up[i] = band_lower;
}
else
{
buffer_line_up[i] = buffer_line_up[i-1];
}
}
if(phase==PHASE_SELL && ((TrendMode==0 && !IsEmpty(buffer_line_down[i-2])) || TrendMode==1) )
{
if(band_upperRef(Avg,-1),H,L)));
EW=Zig(RetroSuccessSecret,pr);
//{ Plot on price chart }
if (Option==0)
Plot(EW, "EW", ParamColor("Color", colorBrown), ParamStyle("Style", styleNoLabel|styleThick));
else
{
//{ Plot on own window }
Plot(EWbuy-EWsell, "EW2", ParamColor("Color", colorRed), ParamStyle("Style", styleNoLabel|styleThick));
}
//{ Buy/Sell Elliot Wave stuff }
EWbuy=TroughBars(EW,pr)==1;
EWsell=PeakBars(EW,pr)==1;
Plot(C,"",47,128+4);
PlotShapes(EWbuy*shapeUpArrow,5,0,L,-5);
PlotShapes(EWsell*shapeDownArrow,4,0,H,-5);
//-- Script End -------
_SECTION_END();