Attaching a label to a vertical line | Forex Factory

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Attaching a label to a vertical line

  • #1
  • First Post: Jan 18, 2010 2:06pm Jan 18, 2010 2:06pm
I've added a couple vertical lines to my indicator to show at a glance when the week/day started. I'm trying to add labels to these vertical lines but I can't get the XDISTANCE to use which changes as new bars go by.

Is there a way to get the XDISTANCE of a specific bar (Time[i])?
  • #2
  • Jan 18, 2010 3:56pm Jan 18, 2010 3:56pm
I think you should use the TEXT object instead of the LABEL object. It uses Price/Time for the co-ordinates. Label objects are meant to be located staticly at a fixed location on the chart.
  • #3
  • Jan 18, 2010 4:25pm Jan 18, 2010 4:25pm
For the text object I can easily provide the time so it will move with on the X-Axis, but what for the price? I want the text to stay at 0 on the Y-Axis.
  • #4
  • Jan 18, 2010 4:47pm Jan 18, 2010 4:47pm
Part of the ease of use of MT4 is its simplicity which comes with limits on what can be done. You are trying to exceed one of those limits. Other charting packages may allow something like that, but they are expensive and hard to use.
  • #5
  • Jan 18, 2010 7:17pm Jan 18, 2010 7:17pm
Interesting, however I have used a modified TzPivots (included in the THV system on another forum here) which did something like this. It had a vertical line to separate yesterday and today and a text/label object which moved perpendicular to the vertical line but at the top of the screen, so this seems like a challenge that should be beatable in some way.
  • #6
  • Jan 18, 2010 8:55pm Jan 18, 2010 8:55pm
How I set the height of variable text is by segmenting the window into sections through the use of windowpricemax and windowpriceemin.

intervals = 10;
Section = (Windowpricemax() - windowpricemin())/intervals;

Now, I can plot the Y height as a function of the Section height. I am not quite sure where Y=0 is in the XY ccoordinate frame of the screen as I never use it so I am not sure if it is the center or the lower corner.

Either way, height = Windowpricemin() + some_number*Section;

Note that you could use non-interger as some number or you could increase the intervals for better granularity.
  • #7
  • Last Post: Edited 1:25pm Jan 20, 2010 1:00pm | Edited 1:25pm
Thank you, that method worked perfectly with some tweaking.

Inserted Code
   double intervals = 500;
   double section = (WindowPriceMax() - WindowPriceMin()) / intervals;
   double height = WindowPriceMax() - section;

   if( ObjectFind( "Day_Separator_Txt" ) < 0 )
   {
      ObjectCreate("Day_Separator_Txt", OBJ_TEXT, 0, Time[i], height);
      ObjectSetText("Day_Separator_Txt", "Day Separator", 8, "Verdana Bold", Day_Separator_Color);
   }
   else
   {
      ObjectMove("Day_Separator_Txt", 0, Time[i], height);
      ObjectSetText("Day_Separator_Txt", "Day Separator", 8, "Verdana Bold", Day_Separator_Color);
   }
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