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Date/Time: Mon, 23 Dec 2024 00:34:48 +0000



Numbers Bars, when tick size is adjusted

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[2015-04-22 01:53:45]
User727623 - Posts: 17
Hello,

I've come across a problem with Numbers Bars.

As you can see in the attached screenshot, I have two charts.

Chart 1, tick size: 0.0002
Chart 2, tick size: 0.0001

in Chart 1; Numbers Bars are sometimes printing 0.0001 tick and 0.0003 tick totals instead of 0.0002. Is this a known issue?
imagetick size 0.0002 vs 0.0001.gif / V - Attached On 2015-04-22 01:53:05 UTC - Size: 105.52 KB - 430 views
[2015-04-22 02:32:53]
Sierra Chart Engineering - Posts: 104368
We need you to give us a Chartbook that contains these two charts.

Here are instructions to attach it:
https://www.sierrachart.com/index.php?page=PostingInformation.php#AttachFile

And let us know the Time Zone you have Sierra Chart set to.
Sierra Chart Support - Engineering Level

Your definitive source for support. Other responses are from users. Try to keep your questions brief and to the point. Be aware of support policy:
https://www.sierrachart.com/index.php?l=PostingInformation.php#GeneralInformation

For the most reliable, advanced, and zero cost futures order routing, *change* to the Teton service:
Sierra Chart Teton Futures Order Routing
[2015-04-22 09:00:54]
User727623 - Posts: 17
Hi, please find the Chartbook attached. Using Global Time Zone.
attachmentFX_Euro_SC.cht - Attached On 2015-04-22 08:59:15 UTC - Size: 237.96 KB - 504 views
[2015-04-22 19:31:29]
Sierra Chart Engineering - Posts: 104368
But what is the global time zone set to? This we need to know and is critical.
Sierra Chart Support - Engineering Level

Your definitive source for support. Other responses are from users. Try to keep your questions brief and to the point. Be aware of support policy:
https://www.sierrachart.com/index.php?l=PostingInformation.php#GeneralInformation

For the most reliable, advanced, and zero cost futures order routing, *change* to the Teton service:
Sierra Chart Teton Futures Order Routing
[2015-04-22 19:47:01]
User727623 - Posts: 17
Sorry I'm quite new with SC.

If you're asking the Time Zone setting in "Data/Trade Service Settings", it's set to London (+0 GMT/+1 BST).
[2015-04-24 02:43:16]
Sierra Chart Engineering - Posts: 104368
We are not willing to spend more time on this. It is nonstandard to be using a different tick size which differs from the underlying data. And we can go through the time to debug this but we do not think we would find anything wrong and the outcome is likely to be mathematically correct.

Doing what you are is affecting the normal behavior of these calculations.


Sierra Chart Support - Engineering Level

Your definitive source for support. Other responses are from users. Try to keep your questions brief and to the point. Be aware of support policy:
https://www.sierrachart.com/index.php?l=PostingInformation.php#GeneralInformation

For the most reliable, advanced, and zero cost futures order routing, *change* to the Teton service:
Sierra Chart Teton Futures Order Routing
[2015-04-24 07:32:53]
User727623 - Posts: 17
I'm sorry but I simply increased the tick size to have a better view of the Numbers Bars and it's printing incorrectly.

I'm not doing anything complicated or off the system, just using the system functions.

If you don't have time for this I'll understand but you are not even accepting that there is a bug here, very odd.
[2015-04-25 06:35:42]
Sierra Chart Engineering - Posts: 104368
It is not a bug. We have given this more thought and we understand exactly why it occurs. It has to do with floating-point error and it is difficult to deal with in this particular case. For example the number 1.5001 might actually internally be 1.5000999999 and this affects the value it is rounded to.

We will continue to think about how to resolve it, because if we try to solve it we could introduce other side effects and this is something we are extremely hesitant to do.
Sierra Chart Support - Engineering Level

Your definitive source for support. Other responses are from users. Try to keep your questions brief and to the point. Be aware of support policy:
https://www.sierrachart.com/index.php?l=PostingInformation.php#GeneralInformation

For the most reliable, advanced, and zero cost futures order routing, *change* to the Teton service:
Sierra Chart Teton Futures Order Routing
[2015-04-25 10:33:44]
User727623 - Posts: 17
fair enough mate, I appreciate the answer, thank you.
[2015-05-16 23:41:59]
Sierra Chart Engineering - Posts: 104368
Update to the latest prerelease and let us know if you still see the problem. Select Help >> Download Prerelease. We have made a change now which should resolve this. Please let us know.
Sierra Chart Support - Engineering Level

Your definitive source for support. Other responses are from users. Try to keep your questions brief and to the point. Be aware of support policy:
https://www.sierrachart.com/index.php?l=PostingInformation.php#GeneralInformation

For the most reliable, advanced, and zero cost futures order routing, *change* to the Teton service:
Sierra Chart Teton Futures Order Routing
Date Time Of Last Edit: 2015-05-16 23:42:16
[2015-05-18 10:22:23]
User727623 - Posts: 17
looks ok now, many thanks!

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