# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?page=949 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 950 --- ## [Get value from hovered slice in a Pie Chart](https://forum.inductiveautomation.com/t/get-value-from-hovered-slice-in-a-pie-chart/41205)
**Author:** [@andreas](https://forum.inductiveautomation.com/u/andreas)\ **Replies:** 2\ **Last updated:** [October 12, 2021, 2:51pm UTC](https://forum.inductiveautomation.com/t/get-value-from-hovered-slice-in-a-pie-chart/41205 "2021-10-12T14:51:27Z")
Anyone knows how to get the value from the currently hovered slice in a pie chart? In the below figure, the value 21438 should be collected, and written to a custom property in e.g. another component: Ignition versio… --- ## [SPC MES 3.0 Module : No data to show](https://forum.inductiveautomation.com/t/spc-mes-3-0-module-no-data-to-show/51862)
**Author:** [@chumnan](https://forum.inductiveautomation.com/u/chumnan)\ **Replies:** 0\ **Last updated:** [October 12, 2021, 2:43pm UTC](https://forum.inductiveautomation.com/t/spc-mes-3-0-module-no-data-to-show/51862 "2021-10-12T14:43:52Z")
Hello! I Configure SPC MES 3.0 Module and Use Database MYSQL and Normal Step Configure has data in database “Table = messampleattributevalue” !!But Window Analysis is no data to show Please sent solution for problem T… --- ## [Get username in Update gateway event script](https://forum.inductiveautomation.com/t/get-username-in-update-gateway-event-script/36865)
**Author:** [@pandreoli](https://forum.inductiveautomation.com/u/pandreoli)\ **Replies:** 7\ **Last updated:** [October 12, 2021, 2:38pm UTC](https://forum.inductiveautomation.com/t/get-username-in-update-gateway-event-script/36865 "2021-10-12T14:38:12Z")
Hello. I was viewing the documentation for system.security.getUsername() and saw one of the examples called this function in the Startup script. I tried using it in Update (when a user saves the designer) but I get the … --- ## [Ubuntu Ignition service fails](https://forum.inductiveautomation.com/t/ubuntu-ignition-service-fails/51741)
**Author:** [@SBL\_MC](https://forum.inductiveautomation.com/u/SBL_MC)\ **Replies:** 5\ **Last updated:** [October 12, 2021, 1:40pm UTC](https://forum.inductiveautomation.com/t/ubuntu-ignition-service-fails/51741 "2021-10-12T13:40:13Z")
Hi all, We are running Ignition 8.1.10 on an Ubuntu server. Oct. 5’th we had some performance issues and rebooted it. After the reboot Ignition never started up. Re-installed Ignition and it solved the issue. Today, oc… --- ## [Troubleshooting skills - what do we have at our disposal?](https://forum.inductiveautomation.com/t/troubleshooting-skills-what-do-we-have-at-our-disposal/51854)
**Author:** [@hewking32](https://forum.inductiveautomation.com/u/hewking32)\ **Replies:** 8\ **Last updated:** [October 12, 2021, 12:29pm UTC](https://forum.inductiveautomation.com/t/troubleshooting-skills-what-do-we-have-at-our-disposal/51854 "2021-10-12T12:29:08Z")
Hi All While learning ignition i am trying to improve my troubleshooting skills when things don’t work as intended. At the moment i would use the following tools: Messageboxes - helpful but far from ideal as they can… --- ## [Storing Value from payload using mqtt paho, system.tag.Async not working correctly with relative path in UDT](https://forum.inductiveautomation.com/t/storing-value-from-payload-using-mqtt-paho-system-tag-async-not-working-correctly-with-relative-path-in-udt/51686)
**Author:** [@jakub.moric](https://forum.inductiveautomation.com/u/jakub.moric)\ **Replies:** 5\ **Last updated:** [October 12, 2021, 12:23pm UTC](https://forum.inductiveautomation.com/t/storing-value-from-payload-using-mqtt-paho-system-tag-async-not-working-correctly-with-relative-path-in-udt/51686 "2021-10-12T12:23:27Z")
Dear All I would like to ask you for a help, iam struggling with the using system.tag.writeAsync in the change script in UDT The first row is not working, when iam trying to write in to tag defined via relative path… --- ## [CPU overload issue](https://forum.inductiveautomation.com/t/cpu-overload-issue/51654)
**Author:** [@alexm](https://forum.inductiveautomation.com/u/alexm)\ **Replies:** 3\ **Last updated:** [October 12, 2021, 11:53am UTC](https://forum.inductiveautomation.com/t/cpu-overload-issue/51654 "2021-10-12T11:53:55Z")
Hello, I am currently facing a CPU overload usage issue as you can see on the screenshots below: I have seen similar posts that suggest eliminating internal property script bindings into components, however, dele… --- ## [Alternative to BinEnc to return a float?](https://forum.inductiveautomation.com/t/alternative-to-binenc-to-return-a-float/51649)
**Author:** [@szalies](https://forum.inductiveautomation.com/u/szalies)\ **Replies:** 8\ **Last updated:** [October 12, 2021, 7:30am UTC](https://forum.inductiveautomation.com/t/alternative-to-binenc-to-return-a-float/51649 "2021-10-12T07:30:12Z")
Hi, I am testing Ignition, looks great, but I am now stuck. We have to read Modbus datas, bit order is not standard, I reorder everything in expression with getBit and then binEnc and works perfect. For Integers… No… --- ## [Couth MC2000T Engraving machine controller](https://forum.inductiveautomation.com/t/couth-mc2000t-engraving-machine-controller/51607)
**Author:** [@suryawanshinilesh](https://forum.inductiveautomation.com/u/suryawanshinilesh)\ **Replies:** 2\ **Last updated:** [October 12, 2021, 7:28am UTC](https://forum.inductiveautomation.com/t/couth-mc2000t-engraving-machine-controller/51607 "2021-10-12T07:28:38Z")
Hi, We have Couth MC2000T Engraving machine controller which is currently connected with rs232 port with labview on standalone PC , we want to connect ignition 8 and send engraving cmd from ignition is it possible? --- ## [\[BUG\] 8.1.5 Disabling tag with bad quality doesn't update quality to disabled](https://forum.inductiveautomation.com/t/bug-8-1-5-disabling-tag-with-bad-quality-doesnt-update-quality-to-disabled/46748)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 2\ **Last updated:** [October 12, 2021, 6:17am UTC](https://forum.inductiveautomation.com/t/bug-8-1-5-disabling-tag-with-bad-quality-doesnt-update-quality-to-disabled/46748 "2021-10-12T06:17:21Z")
8.1.5 I have some tags that had configuration errors. I disabled them however their quality still shows up as configuration error. When I 'restart’ed the tag, it changed to Bad\_Disabled as it should. --- ## [How to use jsonGet using a tag path in a expression tag](https://forum.inductiveautomation.com/t/how-to-use-jsonget-using-a-tag-path-in-a-expression-tag/51844)
**Author:** [@vani161998](https://forum.inductiveautomation.com/u/vani161998)\ **Replies:** 2\ **Last updated:** [October 12, 2021, 6:11am UTC](https://forum.inductiveautomation.com/t/how-to-use-jsonget-using-a-tag-path-in-a-expression-tag/51844 "2021-10-12T06:11:36Z")
i have a json string in a tag . this tag path should be used in another expression tag to extract individual values. eg: tag1={‘firstThing’:1, ‘secondThing’:2} tag2 = jsonGet(tag1 path,firstThing) #this is a expressio… --- ## [Tag Level Expression](https://forum.inductiveautomation.com/t/tag-level-expression/51790)
**Author:** [@subbu.435](https://forum.inductiveautomation.com/u/subbu.435)\ **Replies:** 3\ **Last updated:** [October 11, 2021, 7:02pm UTC](https://forum.inductiveautomation.com/t/tag-level-expression/51790 "2021-10-11T19:02:14Z")
Hello Team, I am looking for a tag level expression to compare current value and the previous/Historical 5mins average value. if the data is not changing, my tag should generate an alert. Could you please help me with … --- ## [SQL Query binding, when its executed ? What triggers that?](https://forum.inductiveautomation.com/t/sql-query-binding-when-its-executed-what-triggers-that/51838)
**Author:** [@stefan.marcin74](https://forum.inductiveautomation.com/u/stefan.marcin74)\ **Replies:** 2\ **Last updated:** [October 11, 2021, 10:42pm UTC](https://forum.inductiveautomation.com/t/sql-query-binding-when-its-executed-what-triggers-that/51838 "2021-10-11T22:42:38Z")
Hi, I am trying to understand SQL Query binding. I could not find the first and most important thing for me and that is when I use Query binding to lets say Data in table, how do I know when this query is executed ? Its … --- ## [Ignition randomly fails to launch full screen](https://forum.inductiveautomation.com/t/ignition-randomly-fails-to-launch-full-screen/51831)
**Author:** [@abelew](https://forum.inductiveautomation.com/u/abelew)\ **Replies:** 0\ **Last updated:** [October 11, 2021, 8:08pm UTC](https://forum.inductiveautomation.com/t/ignition-randomly-fails-to-launch-full-screen/51831 "2021-10-11T20:08:46Z")
We have a panel computer with Ignition Onboard, running on Linux. It is configured to automatically log in and launch the Perspective HMI in Kiosk Mode. This works just fine 80% of the time, but the HMI will randomly lau… --- ## [Referencing a UDT Element's value for another element of that UDT's OPC tag path](https://forum.inductiveautomation.com/t/referencing-a-udt-elements-value-for-another-element-of-that-udts-opc-tag-path/51827)
**Author:** [@rrebro](https://forum.inductiveautomation.com/u/rrebro)\ **Replies:** 0\ **Last updated:** [October 11, 2021, 7:48pm UTC](https://forum.inductiveautomation.com/t/referencing-a-udt-elements-value-for-another-element-of-that-udts-opc-tag-path/51827 "2021-10-11T19:48:28Z")
In my PLC I have a list for the last 10 cycles of the machine what the slowest station was in those cycles. The list contains an index of a station description list. Basically I get the number 10 and now I look at the 10… --- ## [Set address for Holding Register](https://forum.inductiveautomation.com/t/set-address-for-holding-register/51817)
**Author:** [@loc.le](https://forum.inductiveautomation.com/u/loc.le)\ **Replies:** 5\ **Last updated:** [October 11, 2021, 6:59pm UTC](https://forum.inductiveautomation.com/t/set-address-for-holding-register/51817 "2021-10-11T18:59:01Z")
Hello Team, I want to send command “access read” at Holding Register 40900 offset 147, and get data of tagEPC at Holding Register 41000 offset 10.0. Would you mind showing me how to do it? Any advice will be appr… --- ## [Bug in 7.9.10 report viewer property bindings?](https://forum.inductiveautomation.com/t/bug-in-7-9-10-report-viewer-property-bindings/24376)
**Author:** [@silverbacknet](https://forum.inductiveautomation.com/u/silverbacknet)\ **Replies:** 2\ **Last updated:** [October 11, 2021, 5:23pm UTC](https://forum.inductiveautomation.com/t/bug-in-7-9-10-report-viewer-property-bindings/24376 "2021-10-11T17:23:03Z")
There seems to be a glitch when binding Report Parameter properties to properties in its Root Container, which are parameters given to the window upon opening. The reportName binding works perfectly, no issue there, but … --- ## [Changing Motor Folder to Motor Instance Tag?](https://forum.inductiveautomation.com/t/changing-motor-folder-to-motor-instance-tag/51763)
**Author:** [@markusx1094](https://forum.inductiveautomation.com/u/markusx1094)\ **Replies:** 9\ **Last updated:** [October 11, 2021, 5:04pm UTC](https://forum.inductiveautomation.com/t/changing-motor-folder-to-motor-instance-tag/51763 "2021-10-11T17:04:31Z")
I am currently using the Programmable Device Simulator and one of the programs that Ignition pre-made. I ran into this problem when trying to create use a UDT for a template. The motors amp and HOA properties are defined… --- ## [Ignition History Import](https://forum.inductiveautomation.com/t/ignition-history-import/25233)
**Author:** [@Trent.Boudreaux](https://forum.inductiveautomation.com/u/Trent.Boudreaux)\ **Replies:** 9\ **Last updated:** [October 11, 2021, 4:38pm UTC](https://forum.inductiveautomation.com/t/ignition-history-import/25233 "2021-10-11T16:38:47Z")
I’m having some major issues importing a large amount of history and thought I might post my approach to see if anyone has some suggestions or alternative solutions. I’m importing a year of history for about 300k+ tags … --- ## [More issues with Emulate connectivity](https://forum.inductiveautomation.com/t/more-issues-with-emulate-connectivity/48547)
**Author:** [@pdixon](https://forum.inductiveautomation.com/u/pdixon)\ **Replies:** 21\ **Last updated:** [October 11, 2021, 3:52pm UTC](https://forum.inductiveautomation.com/t/more-issues-with-emulate-connectivity/48547 "2021-10-11T15:52:00Z")
I know this is not the first time this topic has come up, but I cannot get Ignition device connectivity to an Emulate slot. I have done this successfully on other machines, but on this VM I cannot get out of ReconnectWa… --- ## [Script after page refresh](https://forum.inductiveautomation.com/t/script-after-page-refresh/51823)
**Author:** [@kyle.bennett](https://forum.inductiveautomation.com/u/kyle.bennett)\ **Replies:** 0\ **Last updated:** [October 11, 2021, 3:32pm UTC](https://forum.inductiveautomation.com/t/script-after-page-refresh/51823 "2021-10-11T15:32:23Z")
Maybe this is a simple question, is there a perspective script event that would fire after a page is refreshed and has completed loading all the objects on the page? Thanks in advance! --- ## [Ignition with Git - master branch keeps loosing Perspective Session Identity Provider](https://forum.inductiveautomation.com/t/ignition-with-git-master-branch-keeps-loosing-perspective-session-identity-provider/51757)
**Author:** [@MikeAllgood](https://forum.inductiveautomation.com/u/MikeAllgood)\ **Replies:** 10\ **Last updated:** [October 11, 2021, 3:29pm UTC](https://forum.inductiveautomation.com/t/ignition-with-git-master-branch-keeps-loosing-perspective-session-identity-provider/51757 "2021-10-11T15:29:48Z")
I have a recurring situation where the Project Properties/Perspective/General/Identity Provider value keeps getting set to None. We are using git as a version control solution and this seems to happen anytime I utilize … --- ## [Ignition Edge installation query](https://forum.inductiveautomation.com/t/ignition-edge-installation-query/51820)
**Author:** [@trishadx](https://forum.inductiveautomation.com/u/trishadx)\ **Replies:** 4\ **Last updated:** [October 11, 2021, 3:23pm UTC](https://forum.inductiveautomation.com/t/ignition-edge-installation-query/51820 "2021-10-11T15:23:52Z")
Hi guys, I’m looking to install ignition edge on to the same PC as Ignition Gateway. Looking into the manual, it mentions i would have to uninstall ignition if I already had gateway on it, to be able to install edge. h… --- ## [\[IGN-1612\]Touchscreen numeric pad floating point precision](https://forum.inductiveautomation.com/t/ign-1612-touchscreen-numeric-pad-floating-point-precision/51791)
**Author:** [@david.rigby](https://forum.inductiveautomation.com/u/david.rigby)\ **Replies:** 15\ **Last updated:** [October 11, 2021, 3:23pm UTC](https://forum.inductiveautomation.com/t/ign-1612-touchscreen-numeric-pad-floating-point-precision/51791 "2021-10-11T15:23:51Z")
Hi All. I have a powertable on my window that the user can edit a cell. This is a touchscreen environment so I have the numeric keyboard pop up. How can I stop the additional precision being shown when the operator ty… --- ## [How do I get components in perspective](https://forum.inductiveautomation.com/t/how-do-i-get-components-in-perspective/40982)
**Author:** [@codersmurf](https://forum.inductiveautomation.com/u/codersmurf)\ **Replies:** 4\ **Last updated:** [October 11, 2021, 2:29pm UTC](https://forum.inductiveautomation.com/t/how-do-i-get-components-in-perspective/40982 "2021-10-11T14:29:26Z")
unitList = system.gui.getWindow(“UnitList”).getRootContainer().getComponent(‘Units’) Is there some way to do the same thing?Thx, jake --- ## [Web browser component](https://forum.inductiveautomation.com/t/web-browser-component/51816)
**Author:** [@suiton45](https://forum.inductiveautomation.com/u/suiton45)\ **Replies:** 0\ **Last updated:** [October 11, 2021, 2:04pm UTC](https://forum.inductiveautomation.com/t/web-browser-component/51816 "2021-10-11T14:04:18Z")
Hi everyone, I’m wirting to you cause I have a problem with the web browser component in vision. I created a perspective view with some translation, so I’m using a dropdown and the locale session property to translate t… --- ## [BUG - Value doesn't appear instantly in a DateTime Input component present in a subview of a table, when the output data is a list of dictionaries](https://forum.inductiveautomation.com/t/bug-value-doesnt-appear-instantly-in-a-datetime-input-component-present-in-a-subview-of-a-table-when-the-output-data-is-a-list-of-dictionaries/51812)
**Author:** [@daniel-bongiolo](https://forum.inductiveautomation.com/u/daniel-bongiolo)\ **Replies:** 0\ **Last updated:** [October 11, 2021, 1:53pm UTC](https://forum.inductiveautomation.com/t/bug-value-doesnt-appear-instantly-in-a-datetime-input-component-present-in-a-subview-of-a-table-when-the-output-data-is-a-list-of-dictionaries/51812 "2021-10-11T13:53:07Z")
Hello everyone, I’m dealing with an akward bug when using subview in a table and I don’t know how to solve it. First of all, I have a column in the table that i wanted to have some style in it. So, I made a change on th… --- ## [Date Range Component](https://forum.inductiveautomation.com/t/date-range-component/51805)
**Author:** [@indenkleefj](https://forum.inductiveautomation.com/u/indenkleefj)\ **Replies:** 0\ **Last updated:** [October 11, 2021, 12:44pm UTC](https://forum.inductiveautomation.com/t/date-range-component/51805 "2021-10-11T12:44:36Z")
Hi, Does anyone know if the date range component of Vision will also be added in Perspective? --- ## [Symbol Factory animated symbol color change](https://forum.inductiveautomation.com/t/symbol-factory-animated-symbol-color-change/51753)
**Author:** [@r.p](https://forum.inductiveautomation.com/u/r.p)\ **Replies:** 11\ **Last updated:** [October 11, 2021, 12:29pm UTC](https://forum.inductiveautomation.com/t/symbol-factory-animated-symbol-color-change/51753 "2021-10-11T12:29:33Z")
Hello, we are using the “centrifugal pump” symbol inside the Perspective symbols component: in particular we use it because it has an animated fan which spins around when the pump is working. We now need however to … --- ## [\[BUG\] Can't copy and paste tags part of UDTs between Designers](https://forum.inductiveautomation.com/t/bug-cant-copy-and-paste-tags-part-of-udts-between-designers/51794)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 0\ **Last updated:** [October 11, 2021, 6:14am UTC](https://forum.inductiveautomation.com/t/bug-cant-copy-and-paste-tags-part-of-udts-between-designers/51794 "2021-10-11T06:14:34Z")
v8.1.5 I’m sure I’ve already raised this maybe under a different name, but it’s not possible to copy and paste tags from inside a UDT definition in the tag editor between designers. Paste does nothing. You can’t copy th… [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?page=948) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?page=950)