#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Red
#property indicator_color2 Lime
#property indicator_color3 Brown
#property indicator_color4 Olive
#property indicator_width1 5
#property indicator_width2 5
double TrendUp[], TrendDown[],dn[],up[];
int changeOfTrend;
extern int Nbr_Periods = 10;
extern double Multiplier = 3.0;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
IndicatorBuffers(4);
SetIndexBuffer(0, TrendUp);
SetIndexStyle(0, DRAW_LINE, STYLE_SOLID, 5);
SetIndexLabel(0, "Trend Up");
SetIndexBuffer(1, TrendDown);
SetIndexStyle(1, DRAW_LINE, STYLE_SOLID, 5);
SetIndexLabel(1, "Trend Down");
SetIndexBuffer(2, dn);
SetIndexStyle(2, DRAW_LINE, STYLE_SOLID, 2);
SetIndexLabel(2, "Up");
SetIndexBuffer(3, up);
SetIndexStyle(3, DRAW_LINE, STYLE_SOLID, 2);
SetIndexLabel(3, "Dn");
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int limit, i, flag, flagh, trend[5000];
double medianPrice, atr;
int counted_bars = IndicatorCounted();
//---- check for possible errors
if(counted_bars < 0) return(-1);
//---- last counted bar will be recounted
if(counted_bars > 0) counted_bars--;
limit=Bars-counted_bars;
//Print(limit);
//----
for (i = Bars; i >= 0; i--) {
TrendUp[i] = EMPTY_VALUE;
TrendDown[i] = EMPTY_VALUE;
atr = iATR(NULL, 0, Nbr_Periods, i);
//Print("atr: "+atr[i]);
medianPrice = (High[i]+Low[i])/2;
//Print("medianPrice: "+medianPrice[i]);
up[i]=medianPrice+(Multiplier*atr);
//Print("up: "+up[i]);
dn[i]=medianPrice-(Multiplier*atr);
//Print("dn: "+dn[i]);
trend[i]=1;
if (Close[i]>up[i+1]) {
trend[i]=1;
if (trend[i+1] == -1) changeOfTrend = 1;
//Print("trend: "+trend[i]);
}
else if (Close[i]<dn[i+1]) {
trend[i]=-1;
if (trend[i+1] == 1) changeOfTrend = 1;
//Print("trend: "+trend[i]);
}
else if (trend[i+1]==1) {
trend[i]=1;
changeOfTrend = 0;
}
else if (trend[i+1]==-1) {
trend[i]=-1;
changeOfTrend = 0;
}
if (trend[i]<0 && trend[i+1]>0) {
flag=1;
//Print("flag: "+flag);
}
else {
flag=0;
//Print("flagh: "+flag);
}
if (trend[i]>0 && trend[i+1]<0) {
flagh=1;
//Print("flagh: "+flagh);
}
else {
flagh=0;
//Print("flagh: "+flagh);
}
if (trend[i]>0 && dn[i]<dn[i+1])
dn[i]=dn[i+1];
if (trend[i]<0 && up[i]>up[i+1])
up[i]=up[i+1];
if (flag==1)
up[i]=medianPrice+(Multiplier*atr);
if (flagh==1)
dn[i]=medianPrice-(Multiplier*atr);
//-- Draw the indicator
if (trend[i]==1) {
TrendUp[i]=dn[i];
if (changeOfTrend == 1) {
TrendUp[i+1] = TrendDown[i+1];
changeOfTrend = 0;
}
}
else if (trend[i]==-1) {
TrendDown[i]=up[i];
if (changeOfTrend == 1) {
TrendDown[i+1] = TrendUp[i+1];
changeOfTrend = 0;
}
}
}
WindowRedraw();
//----
return(0);
}
//+------------------------------------------------------------------+ |
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