# Not deterministic angles

**URL:** <https://forum.inductiveautomation.com/t/not-deterministic-angles/4049>\
**Category:** Ignition\
**Created:** [February 23, 2012, 11:38am UTC](https://forum.inductiveautomation.com/t/not-deterministic-angles/4049 "2012-02-23T11:38:00Z")\
**Posts on this page:** 12\
**Page:** 1

<div class="post-metadata">

**Author:** ![marioquark](https://avatars.discourse-cdn.com/v4/letter/m/22d042/32.png) [@marioquark](https://forum.inductiveautomation.com/u/marioquark)\
**Post date:** [February 23, 2012, 11:38am UTC](https://forum.inductiveautomation.com/t/not-deterministic-angles/4049/1 "2012-02-23T11:38:00Z")

</div>

hi, i have a strange behaviour using self-made gauges:  
i paste an svg needle in the container and set its angle property with an expression. the needle has a zero degrees position and i compute the dynamic position adding some degrees.

the problem is that on my designer the zero degrees position is correct, but opening the screen in other designers the zero position in different, so the gauge becomes completely useless!

is it a known bug?  
thank you

---

<div class="post-metadata">

**Author:** ![Travis.Cox](https://avatars.discourse-cdn.com/v4/letter/t/b9bd4f/32.png) [@Travis.Cox](https://forum.inductiveautomation.com/u/Travis.Cox)\
**Post date:** [February 23, 2012, 4:17pm UTC](https://forum.inductiveautomation.com/t/not-deterministic-angles/4049/2 "2012-02-23T16:17:44Z")

</div>

What version of Ignition do you have? Can you post an example window to demonstrate the issue?

---

<div class="post-metadata">

**Author:** ![marioquark](https://avatars.discourse-cdn.com/v4/letter/m/22d042/32.png) [@marioquark](https://forum.inductiveautomation.com/u/marioquark)\
**Post date:** [February 23, 2012, 5:24pm UTC](https://forum.inductiveautomation.com/t/not-deterministic-angles/4049/3 "2012-02-23T17:24:20Z")

</div>

Ignition Platform  
7.3.2 (b533)  
Vision Module  
5.3.2 (b301)  
Mobile Module  
1.3.1 (b55)  
Reporting Module  
1.3.2 (b46)  
ActiveX Module  
2.3.1 (b41)  
Symbol Factory Module  
2.5.1 (b26)

tomorrow i will post an example (anyway, i have a needle out of maximum range, in the bottom of the gauge)

---

<div class="post-metadata">

**Author:** ![Travis.Cox](https://avatars.discourse-cdn.com/v4/letter/t/b9bd4f/32.png) [@Travis.Cox](https://forum.inductiveautomation.com/u/Travis.Cox)\
**Post date:** [February 23, 2012, 5:41pm UTC](https://forum.inductiveautomation.com/t/not-deterministic-angles/4049/4 "2012-02-23T17:41:00Z")

</div>

Post the example when you can. In the meantime you can upgrade to 7.3.4 to stay current.

---

<div class="post-metadata">

**Author:** ![marioquark](https://avatars.discourse-cdn.com/v4/letter/m/22d042/32.png) [@marioquark](https://forum.inductiveautomation.com/u/marioquark)\
**Post date:** [February 24, 2012, 4:17pm UTC](https://forum.inductiveautomation.com/t/not-deterministic-angles/4049/5 "2012-02-24T16:17:31Z")

</div>



---

<div class="post-metadata">

**Author:** ![Travis.Cox](https://avatars.discourse-cdn.com/v4/letter/t/b9bd4f/32.png) [@Travis.Cox](https://forum.inductiveautomation.com/u/Travis.Cox)\
**Post date:** [February 24, 2012, 4:43pm UTC](https://forum.inductiveautomation.com/t/not-deterministic-angles/4049/6 "2012-02-24T16:43:17Z")

</div>

I meant an exported window that I can play with.

---

<div class="post-metadata">

**Author:** ![Carl.Gould](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/carl.gould/32/7262_2.png) [@Carl.Gould](https://forum.inductiveautomation.com/u/Carl.Gould)\
**Post date:** [February 27, 2012, 5:14pm UTC](https://forum.inductiveautomation.com/t/not-deterministic-angles/4049/7 "2012-02-27T17:14:03Z")

</div>

Is this a group you’re rotating, by any chance?

---

<div class="post-metadata">

**Author:** ![marioquark](https://avatars.discourse-cdn.com/v4/letter/m/22d042/32.png) [@marioquark](https://forum.inductiveautomation.com/u/marioquark)\
**Post date:** [February 28, 2012, 1:51pm UTC](https://forum.inductiveautomation.com/t/not-deterministic-angles/4049/8 "2012-02-28T13:51:24Z")

</div>

yes it was. now we’ve ungrouped it, and it seems working.

anyway we have issues on another symbol. it is not a group and it has the same behaviuor. i attached it. thanks  
[meter.vwin](https://us1.discourse-cdn.com/inductiveautomation/original/1X/05af22f95925faf9708d57f751fa0f07fbcee97c.vwin) (98 KB)

---

<div class="post-metadata">

**Author:** ![Carl.Gould](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/carl.gould/32/7262_2.png) [@Carl.Gould](https://forum.inductiveautomation.com/u/Carl.Gould)\
**Post date:** [March 14, 2012, 6:41pm UTC](https://forum.inductiveautomation.com/t/not-deterministic-angles/4049/9 "2012-03-14T18:41:09Z")

</div>

Ok, group rotation has been fixed for 7.3.5.

Can you explain in more detail what’s wrong with the items you attached?

---

<div class="post-metadata">

**Author:** ![marioquark](https://avatars.discourse-cdn.com/v4/letter/m/22d042/32.png) [@marioquark](https://forum.inductiveautomation.com/u/marioquark)\
**Post date:** [March 15, 2012, 8:04am UTC](https://forum.inductiveautomation.com/t/not-deterministic-angles/4049/10 "2012-03-15T08:04:14Z")

</div>

if you set the dynamic property that moves the needle, sometimes it’s rendered ok, sometimes it shown out of scale.  
i suspect the reference of 0 degrees, to which angle expression is referred, is not the original one when i have the error. it changes sometimes reloading the designer on other computer for example, but not everytime… not deterministic 🙂

my fear is that in design mode it’ll be ok and on customer’s screen it’ll have errors.

---

<div class="post-metadata">

**Author:** ![Carl.Gould](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/carl.gould/32/7262_2.png) [@Carl.Gould](https://forum.inductiveautomation.com/u/Carl.Gould)\
**Post date:** [May 15, 2012, 8:25pm UTC](https://forum.inductiveautomation.com/t/not-deterministic-angles/4049/11 "2012-05-15T20:25:08Z")

</div>

This should all be working now.

---

<div class="post-metadata">

**Author:** ![marioquark](https://avatars.discourse-cdn.com/v4/letter/m/22d042/32.png) [@marioquark](https://forum.inductiveautomation.com/u/marioquark)\
**Post date:** [May 16, 2012, 8:11am UTC](https://forum.inductiveautomation.com/t/not-deterministic-angles/4049/12 "2012-05-16T08:11:03Z")

</div>

yes it is! ![:thumb_right:](https://us1.discourse-cdn.com/inductiveautomation/original/1X/2026e28c0c425034352c1b75807edf956adc75f4.gif ":thumb\_right:")
