Complicated looking Indicator, what to do? | Forex Factory

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Complicated looking Indicator, what to do?

  • #1
  • First Post: Aug 29, 2008 10:57am Aug 29, 2008 10:57am
I've been trying to find a way to add alerts to this indicator for EITHER green or red line to pass a certain level value i.e. 8 or 23 or a cross of both red n' green.

Problem is I don't know what to refer the alert paramter to, having trouble nailing down what exactly I should refer the alert to because there is a lot of code in this indicator.

Does anyone mind pointing out exactly which part of this code actually gives the value for the green/red lines?

Inserted Code
    if ( timenow != Time[0] && AlertOn )
   {
      if ( Signal[0] != EMPTY_VALUE )
         {
            Alert( "Buy Signal ", Symbol() );
            timenow = Time[0];
         }    
      if ( Signal[0] != EMPTY_VALUE )
         {
            Alert ( "Sell Signal ", Symbol() );
            timenow = Time[0];
         }

Trying to add that piece of alert code. May not work in this instance. Any tips?
Attached File(s)
File Type: mq4 UT_FAST.mq4   26 KB | 576 downloads
  • #2
  • Edited 3:51pm Aug 29, 2008 3:23pm | Edited 3:51pm
Omni,

LOL - this (UT_FAST.mq4) would have to be the worst piece of coding that I've ever seen!!

The green line (indicator buffer is arr_global_76[]) gets assigned here:
arr_global_76[var_124] = var_128;
and here
if (inp_lenars_4 == 1) arr_global_76[var_124] = var_128; else arr_global_556[var_124] = var_128;

The red line (arr_global_556[]) gets assigned in the second line of code above.

var_124 appears to index the bars on the chart.

Hope this helps to get you started.

David

[Edit] Just plotted the indicator on my chart. From what I can tell, the red line value = (sensitivity + 1) – the green line value
  • #3
  • Edited 3:53pm Aug 29, 2008 3:36pm | Edited 3:53pm
This looks like a decompiled EX4 with the header stripped off and the name probably changed. Note the consecutive variables, with no meaningful names. Because variables are stored dynamically and not by name at mem locations. Also note there are no comments... LOL

Also note the only variables that have meaning are the externals, which, if one looks at it in a hex editor, one can see these are stored by name. Thus the name is preserved.

I don't recognize the names though the main decompilers I know of start with gi_ for variables. So, if someone wrote this this way, that would be very strange.
  • #4
  • Aug 29, 2008 4:04pm Aug 29, 2008 4:04pm
Perhaps try something like this:

Inserted Code
extern bool    AlertOn = true;

:  :  :  :  :  :  :  :  :  :

    if ( timenow != Time[0] && AlertOn )
   {
      if ( arr_global_76[0] >= 8 && arr_global_76[1] < 8 )    // green line value rises from below 8 to above 8
         {
            Alert( "Buy Signal ", Symbol() );
            timenow = Time[0];
         }    
      if ( arr_global_76[0] <= 23 && arr_global_76[1] > 23 )    // green line value falls from above 23 to below 23
         {
            Alert ( "Sell Signal ", Symbol() );
            timenow = Time[0];
         }
    }

It looks like the "timenow" logic will stop the Alert from sounding more than once on the same price candle.

Good luck,
David
  • #5
  • Aug 29, 2008 4:11pm Aug 29, 2008 4:11pm
Quoting smjones
This looks like a decompiled EX4 with the header stripped off and the name probably changed. Note the consecutive variables, with no meaningful names. Because variables are stored dynamically and not by name at mem locations. Also note there are no comments... LOL

Also note the only variables that have meaning are the externals, which, if one looks at it in a hex editor, one can see these are stored by name. Thus the name is preserved.

I don't recognize the names though the main decompilers I know of start with gi_ for variables. So, if someone wrote this this way, that would be very strange.
Agreed, Scott, hence the little in my post. Apologies for my cryptic sense of humor!

Some time back I tried to Google something like "MT4 decompiler" (out of curiosity rather than for any sinister reasons!) and wasn't able to find anything. LOL.

David
  • #6
  • Aug 29, 2008 11:22pm Aug 29, 2008 11:22pm
If you want to know where I got it from it was posted in the X50 thread

http://www.forexfactory.com/showthread.php?t=65703
  • #7
  • Edited 11:42pm Aug 29, 2008 11:30pm | Edited 11:42pm
Quoting Omniferum
If you want to know where I got it from it was posted in the X50 thread

http://www.forexfactory.com/showthread.php?t=65703
Thanks, I now know what this was. It was UltraTrend. from CodeBase. There was no need to decompile it. Note, I don't think anyone here decompiled it. The source code is there. Please note that this is an extreme memory hog and that the two lines are simply mirror images of each other.

If you set a level at 15.5, that is the zero line where the two lines will always intersect. So, it might be easier to follow this indicator if you just set one color to none and use the other line as a cross over from the 15.5 level. I am including the original indicators. Give me a minute to go to my other computer and get it.

Edit,

In this thread is a copy of the original EX4 http://www.forex-tsd.com/indicators-...tra-trend.html

OPPs, I just went and pulled the original from codebase and it is also a decompiled copy, although more complete than this. For this reason, I will not upload it. If you wish, you can just google UltraTrend and find out everything about it. It is a fairly reliable tool, if you have a very powerful computer, as it will slow everything down.
  • #8
  • Aug 29, 2008 11:48pm Aug 29, 2008 11:48pm
Well i'm not sure who or what decompiled it, I just got it off that thread and wanted to add an alert to it that's all. I tried the suggestion in this thread but metatrader just crashes outright and won't load again until I revert the UT_FAST indicator back to what it was.

I assumed that if this was a popular indicator that it would have already had alerts programmed for it, someone somewhere must've.
  • #9
  • Aug 29, 2008 11:50pm Aug 29, 2008 11:50pm
Quoting Omniferum
Well i'm not sure who or what decompiled it, I just got it off that thread and wanted to add an alert to it that's all. I tried the suggestion in this thread but metatrader just crashes outright and won't load again until I revert the UT_FAST indicator back to what it was.

I assumed that if this was a popular indicator that it would have already had alerts programmed for it, someone somewhere must've.
That is because this indicator is recursive. It calls itself for data in a iCustom() twice.

Go to the TSD thread I listed and look for the zip file, there are several UltraTrends there. These are a group of JMA T3 And other optimizted trend inicators, of which UltraTrend is just one.
  • #10
  • Last Post: Aug 30, 2008 12:07am Aug 30, 2008 12:07am
Are all the Ultra Trend indicators the same but just differnet visual representations?
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