Slope Direction Line_001
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This tool is designed to help traders visualize market trends by identifying the specific direction of price movement. It simplifies complex market data into a clear, visual representation of whether the current momentum is leaning upward or downward.
Core Logic and Functionality
The script operates by analyzing historical price data to calculate a smoothed "vector" of the market's movement. Instead of looking at raw, volatile price changes, it processes information through several layers to filter out "noise" and highlight the underlying trend.
1. Data Smoothing and Weighting The tool utilizes a weighted moving average approach. By combining different averages—specifically comparing a shorter-term average against a longer-term one—it calculates the velocity of price changes. This allows the indicator to distinguish between a temporary price spike and a sustained shift in market direction.
2. Trend Calculation Once the primary data is smoothed, the script calculates a specific "map" value. It then compares these values sequentially across time. If the current value is higher than the previous one, it identifies an upward movement; if it is lower, it identifies a downward movement.
3. Visual Separation of Trends The most distinct feature of this script is how it presents this information on your chart:
- Uptrends: When the logic detects a positive slope, it plots a specific line (Light Blue) to represent the bullish trend.
- Downtrends: When the logic detects a negative slope, it plots a separate line (Tomato) to represent the bearish trend.
User Experience Summary
Essentially, this script acts as a filter for market volatility. Rather than showing you every minor fluctuation, it isolates the primary "slope" of the market. By displaying two different colored lines, it provides a clear visual cue: when the Light Blue line is active, the tool suggests an upward trend; when the Tomato line appears, it indicates a downward trend. This helps traders quickly identify the prevailing direction of the market at a glance.
//+------------------------------------------------------------------+
//| HMA.mq4
//| Copyright © 2006 WizardSerg <wizardserg@mail.ru>, ?? ??????? ForexMagazine #104
//| wizardserg@mail.ru
//| Revised by IgorAD,igorad2003@yahoo.co.uk |
//| Personalized by iGoR AKA FXiGoR for the Trend Slope Trading method (T_S_T)
//| Link:
//| contact: thefuturemaster@hotmail.com
//+------------------------------------------------------------------+
#property copyright "MT4 release WizardSerg <wizardserg@mail.ru>, ?? ??????? ForexMagazine #104"
#property link "wizardserg@mail.ru"
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 LightBlue
#property indicator_color2 Tomato
//---- input parameters
extern int period=80;
extern int method=3; // MODE_SMA
extern int price=0; // PRICE_CLOSE
//---- buffers
double Uptrend[];
double Dntrend[];
double ExtMapBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
IndicatorBuffers(3);
SetIndexBuffer(0, Uptrend);
//ArraySetAsSeries(Uptrend, true);
SetIndexBuffer(1, Dntrend);
//ArraySetAsSeries(Dntrend, true);
SetIndexBuffer(2, ExtMapBuffer);
ArraySetAsSeries(ExtMapBuffer, true);
SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,2);
SetIndexStyle(1,DRAW_LINE,STYLE_SOLID,2);
IndicatorShortName("Slope Direction Line("+period+")");
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
// ???? ????? ?????? ??????
return(0);
}
//+------------------------------------------------------------------+
//| ?????????? ??????? |
//+------------------------------------------------------------------+
double WMA(int x, int p)
{
return(iMA(NULL, 0, p, 0, method, price, x));
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int counted_bars = IndicatorCounted();
if(counted_bars < 0)
return(-1);
int x = 0;
int p = MathSqrt(period);
int e = Bars - counted_bars + period + 1;
double vect[], trend[];
if(e > Bars)
e = Bars;
ArrayResize(vect, e);
ArraySetAsSeries(vect, true);
ArrayResize(trend, e);
ArraySetAsSeries(trend, true);
for(x = 0; x < e; x++)
{
vect[x] = 2*WMA(x, period/2) - WMA(x, period);
// Print("Bar date/time: ", TimeToStr(Time[x]), " close: ", Close[x], " vect[", x, "] = ", vect[x], " 2*WMA(p/2) = ", 2*WMA(x, period/2), " WMA(p) = ", WMA(x, period));
}
for(x = 0; x < e-period; x++)
ExtMapBuffer[x] = iMAOnArray(vect, 0, p, 0, method, x);
for(x = e-period; x >= 0; x--)
{
trend[x] = trend[x+1];
if (ExtMapBuffer[x]> ExtMapBuffer[x+1]) trend[x] =1;
if (ExtMapBuffer[x]< ExtMapBuffer[x+1]) trend[x] =-1;
if (trend[x]>0)
{ Uptrend[x] = ExtMapBuffer[x];
if (trend[x+1]<0) Uptrend[x+1]=ExtMapBuffer[x+1];
Dntrend[x] = EMPTY_VALUE;
}
else
if (trend[x]<0)
{
Dntrend[x] = ExtMapBuffer[x];
if (trend[x+1]>0) Dntrend[x+1]=ExtMapBuffer[x+1];
Uptrend[x] = EMPTY_VALUE;
}
//Print( " trend=",trend[x]);
}
return(0);
}
//+------------------------------------------------------------------+
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