Not getting any help with global variables ???

[Digs]

I have posted two efs scripts with my attemp to use global variables to transfer data btw two charts from an indicator.

THREAD : http://forum.esignal.com/showthread....&threadid=7143

They dont work, please see scripts

ratiostopgetglobal1.efs
ratiostopputglobal1.efs

My comments on thread
*******************************************
MY ATTEMP AT USING GLOBAL VARIABLES

The put code is the same as rmClean code with the set up of transfer of two variables
1) The Stop value
2) The position : 1 for long, 2 for short

In the GET code the user still has the rights to set COLOR and BARTHICKNESS.

I know the Stop value is a Array, but I transferred it as a single value, this may not be correct. Anyway I loaded the PUT code onto a 5 min Chart, thats work fine. Loaded the GET code onto a 1 min chart, nothing was showing (??$#?$#)

In the GET code I did not do NULL checks or data error checks to make sure the position code was 1 or 2 and not zero, or that the stop code was greater zero, because I dont have a clue on how to do that.

So could some one please give me a hand and review my code.

Thx

[FibbGann]

You should be able to get the help you need at these links below.

Click here

or

Click here

[eSignal_JasonK]

Hello Digs,

One minor problem I noticed with your ratiostopgetglobal1.efs is that you are using setGlobalValue calls in preMain, which isn't necessary. I made a few minor changes so that the current stop value will appear on initial load of the formula. Added some error checking for Stop and Position and removed setComputeOnClose(). Try the modified formula below and see if this works better for you.

ratiostopgetglobal1.efs

[Digs]

Example Chart

5 Min Chart with "RatioStopPUT" Code

[Digs]

Example Chart

1 min Char with "RatioStopGET" code

[Digs]

Jason,

I have attached the "RatioStopPut" code, and I used your version of GET code in the 1 min chart.

As you see the only data coming thru on the 1 min chart is on the last bars ( little blue line ), when more of the thick BLUE lines should be showing up in 1 min chart.

I think that I am only putting into the global varialble the one value and not the Array of the indicator on the PUT chart. So how do you transfer an array, in the "RatioStopPut" code...

Do you think this is the issue ?

thx for the help !

[eSignal_JasonK]

Hello Digs,

The reason you only see the most current stop value on the 1-minute chart is because you're not passing the historical stop values to the global area. This is not an easy routine as it would also require synchronization based on time stamps. The better way to go here would be a File input/output routine. You may need to enlist the assistance of one of our EFS consultants for this type of development.

[Digs]

Ok that explains it, thanks for puttimg me in the correct direction.

Cheers

[Digs]

These are the comments I got in a private message


***********************
What exactly is it that you are trying to do? Are you trying to transfer all
of the historical stop values from the "Put" chart to the "Get" chart?? If
so, then the only good way to do it would be using the File routines that
RMclean was talking about (and which I assume he already did for you).
Global Variables can only be used in 'realtime' in that the global
variable(s) will always contain the most recent value. You cannot use Global
Variables to do the historical backfill on the second chart.... they just
are not designed to do that. With the current code that you have, however,
if you start both scripts in the morning, then the values will update
correctly on the "Get" chart as the day progresses (as long as you do not
refresh the chart).

That being said, hypothetically a series of arrays of global variables could
be used to hold maybe 50 or 100 of the historical values from the "Put"
chart and these could then be transferred to the "Get" chart. However, the
time synchronization logic ( from lower bar interval to higher bar
interval ) would be a bear to code and the memory overhead would be
ridiculous. If I were doing this for myself, I would use the file routines.

[gspiker]

There is no reason you can't save the historical output data in the "put" chart as an array and then use that as a universal global for the "get" chart.

The one thing file I/O does do for you (other than being slower) is it does allow persistance between iterations of eSignal...

Garth