Limit execution to one time per bar

[werosen]

I am using a study that runs continously as a bar is built (I am not using setComputeOnClose(true)). There are some lines of code that I only want to execute on the first tick of a new bar.

This is what I tried:

if (getBarState() == BARSTATE_NEWBAR)
{
if (OrderPlacedBarCount == 2)
{
OrderPlacedBarCount = 3;
}
}

if ((getBarState() == BARSTATE_NEWBAR))
{
if (OrderPlacedBarCount == 1)
{
OrderPlacedBarCount = 2;
}
}

When I run this and OrderPlacedBarCount was set to 1 on the previous bar, OrderPlacedBarCount returns 3 instead of 2. Since the formula is run each time a new tick comes in, I put the code that sets the OrderPlacedBarCount value to 3 first, assuming that it could only be run after the first tick of a new bar and would therefore not execute in the current bar. It appears that BARSTATE_NEWBAR does not limit execution only to the first tick of a new bar. Does anyone know of a function that will work for this?

I am running version 7.91.

Thanks

[ACM]

werosen
BARSTATE_NEWBAR executes only once on the first tick of a new bar. Run the script enclosed below and in the Formula Output window you will see that vCounter increases by 1 only once per bar.
Alex

function preMain(){
   setPriceStudy(true);
   setStudyTitle("NEWBAR test");
}

var vCounter =1;

function main(){
    
    if(getBarState() == BARSTATE_NEWBAR){
        debugPrintln("NEWBAR formed at "+getHour()+":"+getMinute());
        vCounter +=1;
    }
    debugPrintln("Counter total is "+vCounter)
} 

[werosen]

Code does increment by one

I pasted your code into an empty editor and ran it, but it does not increment the valure of vCounter for each bar by 1. It increments by a value of 543, which looks like the total of all the previous bars in the study, plus one. Do you have any other suggestions on how to make a counter only increment by 1 for each bar as I was trying to do in my original code?

[werosen]

Figured out the answer

Alex:

Thanks for the help. I just added a getBarIndex condition to make the counter increment by exactly one for each bar. I don't suppose you saw my other thread regarding ths sar function. That one is a real mystery.

Warren

[ACM]

werosen
Run the code I posted in real time or in Tick Replay and you will see that BARSTATE_NEWBAR executes only once per bar on the first tick and in that instant increases the counter by a value of 1. On every other tick of that bar BARSTATE_NEWBAR does not execute and the counter remains unchanged at the last value (see attached image)
Alex