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MT Trendline Programming Help??

  • #1
  • First Post: May 30, 2009 10:10am May 30, 2009 10:10am
Hello,
Is there anyone among us who knows if it would be possible
to program a function within Metatrader that would measure
and label the angle degree of a trendline? For example, if a
trendline was drawn connecting the beginning low and
final high of a rally, would there be anyway for MT to
calculate that the said trendline was, lets say, 52-degrees?
Any help with this would be greatly appreciated.

Tony
  • #2
  • May 30, 2009 12:57pm May 30, 2009 12:57pm
even using a 5-bar average for calculating the angle is a bit speculative. I will most likely go to a 10-bar average as it produces a more consistent result.


Mathematically, the calculation is a follows:


If the current rate of change for the 5-bar average is 0.876 PIPs per bar, then the angle is:


Arctan(0.876/0.742)=49.7 degrees



Be careful: In periods of high volatility such as we have experienced in the last 6-9 months, you will get a lot of big angles, if you go to a period low volatility say 2006, the angles will not be as large. Therefore, volatility has a large impact on the angles that get calculated. So what works this year if you set some minimum threshold angle in your EA it may not work next year.


...sourced...
  • #3
  • Aug 25, 2011 11:58am Aug 25, 2011 11:58am
How do you calculate the time for the bar average? How do you get that figure?

Thanks!

Quoting Trk
even using a 5-bar average for calculating the angle is a bit speculative. I will most likely go to a 10-bar average as it produces a more consistent result.


Mathematically, the calculation is a follows:


If the current rate of change for the 5-bar average is 0.876 PIPs per bar, then the angle is:


Arctan(0.876/0.742)=49.7 degrees



Be careful: In periods of high volatility such as we have experienced in the last 6-9 months, you will get a lot of big angles, if you go to a period low volatility say...
  • #4
  • Edited 2:14pm Aug 26, 2011 2:03pm | Edited 2:14pm
two ways to do it

1. if YOU drawing the line use the draw by angle trend line and have your code just read the angle. that will require your to name the trendline so the code will recognize it.

2. Or the CODE can draw the line using draw by angle if the code can recognize the referance points you want and again just read the angle as above.

one problem your going to have is if the price scale changes either by you resizing the chart or if price extends above the top or bottom of the the chart were MT rescales the size of the chart then the trend line angle will change so I dont see the use of doing this when the angle of the trend line can change automaticly as more price data enters the chart.

see screen shot






Quoting alkemi
Hello,
Is there anyone among us who knows if it would be possible
to program a function within Metatrader that would measure
and label the angle degree of a trendline? For example, if a
trendline was drawn connecting the beginning low and
final high of a rally, would there be anyway for MT to
calculate that the said trendline was, lets say, 52-degrees?
Any help with this would be greatly appreciated.

Tony
Attached Image (click to enlarge)
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  • #5
  • Last Post: Aug 26, 2011 3:58pm Aug 26, 2011 3:58pm
Thank you for the reply but I don't use the MT4 platform so I was hoping for a formula to calculate it.
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