//+------------------------------------------------------------------+
//| i-RoundPrice-T01m.mq4 |
//| 25.07.2006 Translated on MT4 by Êèì Èãîðü Â. aka KimIV |
//| http://www.kimiv.ru |
//| modification by maloma - maloma@datasvit.net |
//+------------------------------------------------------------------+
/*[[
Name := RoundPrice
Author := Copyright © 2006, HomeSoft Tartan Corp.
Link := spiky@transkeino.ru
Separate Window := No
First Color := Lime
First Draw Type := Line
First Symbol := 217
Use Second Data := Yes
Second Color := Red
Second Draw Type := Line
Second Symbol := 218
]]*/
#property copyright "Copyright © 2006, HomeSoft Tartan Corp."
#property link "spiky@transkeino.ru"
//----
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Aqua
#property indicator_color2 Red
#property indicator_width1 2
#property indicator_width2 2
//------- Âíåøíèå ïàðàìåòðû èíäèêàòîðà -------------------------------
extern int LRLPeriod=21;
extern int t3_period=21;
extern double b=0.7;
extern int mBar=300;
//------- Ãëîáàëüíûå ïåðåìåííûå èíäèêàòîðà ---------------------------
double dBuf0[], dBuf1[];
double LRLBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
void init()
{
SetIndexBuffer (0, dBuf0);
SetIndexEmptyValue(0, EMPTY_VALUE);
SetIndexStyle (0, DRAW_LINE,EMPTY,2);
SetIndexBuffer (1, dBuf1);
SetIndexEmptyValue(1, EMPTY_VALUE);
SetIndexStyle (1, DRAW_LINE,EMPTY,2);
SetIndexStyle(2,DRAW_NONE);
SetIndexBuffer(2,LRLBuffer);
IndicatorDigits(Digits);
if(LRLPeriod < 2) LRLPeriod=2;
IndicatorShortName("T3 2 Color Linear Regression Line ("+LRLPeriod+")");
SetIndexDrawBegin(2,LRLPeriod+2);
IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+4);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
void start()
{
bool ft=True;
double e1, e2, e3, e4, e5, e6, c1, c2, c3, c4, n, w1, w2, b2, b3;
double t3[];
int LoopBegin, shift, k;
double sumx=0, sumy=0, sumxy=0, sumx2=0, sumy2=0;
double m=0, yint=0, r=0;
//----
int limit;
int counted_bars=IndicatorCounted();
if(counted_bars<0) counted_bars=0;
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars;
for(shift=limit-1; shift>=0; shift--)
{
sumx=0;
sumy=0;
sumxy=0;
sumx2=0;
sumy2=0;
for(k=0; k<=LRLPeriod-1; k++)
{
sumx=sumx + k;
sumy=sumy + Close[shift + k];
sumxy=sumxy + k * Close[shift + k];
sumx2=sumx2 + k * k;
sumy2=sumy2 + Close[shift + k] * Close[shift + k];
}
m=(LRLPeriod*sumxy-sumx*sumy)/(LRLPeriod*sumx2-sumx*sumx);
yint=(sumy+m*sumx)/LRLPeriod;
r=(LRLPeriod*sumxy-sumx*sumy)/MathSqrt((LRLPeriod*sumx2-sumx*sumx)*(LRLPeriod*sumy2-sumy*sumy));
LRLBuffer[shift]=yint-m*LRLPeriod;
}
if (mBar==0) LoopBegin=Bars-t3_period-1;
else LoopBegin=mBar;
LoopBegin=MathMin(LoopBegin, Bars-t3_period-1);
//----
ArrayResize(t3, LoopBegin);
if (ft)
{
b2=b*b;
b3=b2*b;
c1=-b3;
c2=(3*(b2+b3));
c3=-3*(2*b2+b+b3);
c4=(1+3*b+b3+3*b2);
n=t3_period;
//----
if (n<1) n=1;
n=1+0.5*(n-1);
w1=2/(n+1);
w2=1-w1;
ft=False;
}
for(shift=LoopBegin; shift>=0; shift--)
{
e1=w1*Close[shift]+w2*e1;
e2=w1*e1+w2*e2;
e3=w1*e2+w2*e3;
e4=w1*e3+w2*e4;
e5=w1*e4+w2*e5;
e6=w1*e5+w2*e6;
//----
t3[shift]=c1*e6+c2*e5+c3*e4+c4*e3;
if (t3[shift+1]<=t3[shift]) dBuf0[shift]=t3[shift]; else dBuf0[shift]=0;
if (t3[shift+1]>t3[shift]) dBuf1[shift]=t3[shift]; else dBuf1[shift]=0;
}
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains close prices for each bar
Indicator Curves created:
Implements a curve of type DRAW_NONE
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: