# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=940 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 941 --- ## [NaN vs None in historical query results](https://forum.inductiveautomation.com/t/nan-vs-none-in-historical-query-results/52476)
**Author:** [@justin.brzozoski](https://forum.inductiveautomation.com/u/justin.brzozoski)\ **Replies:** 0\ **Last updated:** [October 28, 2021, 7:22pm UTC](https://forum.inductiveautomation.com/t/nan-vs-none-in-historical-query-results/52476 "2021-10-28T19:22:26Z")
Running the same historical query via both a Perspective binding and a scripted call to queryTagHistory, I’ve found that cells in the dataset that return None on float columns via Perspective are returning NaN via the sc… --- ## [\[IGN-4997\]Runscript and system.gui.getCurrentDesktop()](https://forum.inductiveautomation.com/t/ign-4997-runscript-and-system-gui-getcurrentdesktop/20046)
**Author:** [@mazeyrat](https://forum.inductiveautomation.com/u/mazeyrat)\ **Replies:** 1\ **Last updated:** [October 28, 2021, 6:27pm UTC](https://forum.inductiveautomation.com/t/ign-4997-runscript-and-system-gui-getcurrentdesktop/20046 "2021-10-28T18:27:32Z")
I have 2 desktop : primary and secondary. runscript(“system.gui.getCurrentDesktop()”,1000) in a property of a component of a windows displayed on both desktop return the same value : “primary” Do runscript expression… --- ## [Can A Perspective Project Be "Read-Only" Based On Source IP Address](https://forum.inductiveautomation.com/t/can-a-perspective-project-be-read-only-based-on-source-ip-address/52467)
**Author:** [@rob.raffaele](https://forum.inductiveautomation.com/u/rob.raffaele)\ **Replies:** 3\ **Last updated:** [October 28, 2021, 4:57pm UTC](https://forum.inductiveautomation.com/t/can-a-perspective-project-be-read-only-based-on-source-ip-address/52467 "2021-10-28T16:57:16Z")
Any idea if a perspective project can automatically go into a “read-only or view-only” mode based on a set source ip address? Also, any idea if it can also bypass the authentication based on the same source ip address? --- ## [Confused about permissions and tags](https://forum.inductiveautomation.com/t/confused-about-permissions-and-tags/52468)
**Author:** [@codersmurf](https://forum.inductiveautomation.com/u/codersmurf)\ **Replies:** 2\ **Last updated:** [October 28, 2021, 4:44pm UTC](https://forum.inductiveautomation.com/t/confused-about-permissions-and-tags/52468 "2021-10-28T16:44:05Z")
So if I have a udt and in it i have 6 tags, 5 coils and one integer. The integer tag is an expression tag that takes the coils and writes a number in itself. The coils are coming from a plc. Does the expression tag nee… --- ## [Perspective Pipe Drawing Tool](https://forum.inductiveautomation.com/t/perspective-pipe-drawing-tool/52466)
**Author:** [@NII](https://forum.inductiveautomation.com/u/NII)\ **Replies:** 0\ **Last updated:** [October 28, 2021, 4:03pm UTC](https://forum.inductiveautomation.com/t/perspective-pipe-drawing-tool/52466 "2021-10-28T16:03:21Z")
Is there a way to cut (delete) a section of a drawn pipe without editing its property? --- ## [Connecting DeltaV OPC DA server to Ignition](https://forum.inductiveautomation.com/t/connecting-deltav-opc-da-server-to-ignition/34893)
**Author:** [@Andy.Olsen](https://forum.inductiveautomation.com/u/Andy.Olsen)\ **Replies:** 10\ **Last updated:** [October 28, 2021, 3:39pm UTC](https://forum.inductiveautomation.com/t/connecting-deltav-opc-da-server-to-ignition/34893 "2021-10-28T15:39:32Z")
I’m trying to connect the gateway to an Emerson DeltaV OPC-DA server to no avail. I keep getting the general COM object method returns error code: 0x80040154; REGDB\_E\_CLASSNOTREG error. I know that the OPC Core Componen… --- ## [Ideas On How To Access A Plant Perspective Project From Segmented Business Network](https://forum.inductiveautomation.com/t/ideas-on-how-to-access-a-plant-perspective-project-from-segmented-business-network/52453)
**Author:** [@rob.raffaele](https://forum.inductiveautomation.com/u/rob.raffaele)\ **Replies:** 1\ **Last updated:** [October 28, 2021, 2:05pm UTC](https://forum.inductiveautomation.com/t/ideas-on-how-to-access-a-plant-perspective-project-from-segmented-business-network/52453 "2021-10-28T14:05:37Z")
Looking for idea on how to have users on our business network have view only access to perspective projects running on a scada network. We have ideas to how this could work but to do it at scale, for over 100 plants is … --- ## [How do I expose a webhook endpoint URL?](https://forum.inductiveautomation.com/t/how-do-i-expose-a-webhook-endpoint-url/52450)
**Author:** [@MontyP](https://forum.inductiveautomation.com/u/MontyP)\ **Replies:** 1\ **Last updated:** [October 28, 2021, 1:29pm UTC](https://forum.inductiveautomation.com/t/how-do-i-expose-a-webhook-endpoint-url/52450 "2021-10-28T13:29:43Z")
I have an external app that sends webhook notifications in HTTP POST requests. I’m trying to figure out how I can set up an endpoint URL in Ignition as the webhook handler. Any ideas how I could accomplish this? --- ## [Server / client configuration with Dell Workstation and Thin Clients](https://forum.inductiveautomation.com/t/server-client-configuration-with-dell-workstation-and-thin-clients/52446)
**Author:** [@andrejko](https://forum.inductiveautomation.com/u/andrejko)\ **Replies:** 0\ **Last updated:** [October 28, 2021, 12:33pm UTC](https://forum.inductiveautomation.com/t/server-client-configuration-with-dell-workstation-and-thin-clients/52446 "2021-10-28T12:33:52Z")
Goodmorning everyone. For one of our customers we are proposing an architecture consisting of a Dell Precision workstation and N ° 10 Wyse Thin Clients. We have never used this technology but from what I understand, all … --- ## [How to create / Draw my own component for perspective?](https://forum.inductiveautomation.com/t/how-to-create-draw-my-own-component-for-perspective/52390)
**Author:** [@olivier.dekoster](https://forum.inductiveautomation.com/u/olivier.dekoster)\ **Replies:** 5\ **Last updated:** [October 28, 2021, 9:07am UTC](https://forum.inductiveautomation.com/t/how-to-create-draw-my-own-component-for-perspective/52390 "2021-10-28T09:07:59Z")
I would like to know if it’s possible with the module perspective to “Draw” my own “template” like i did before with Vision templates ? I could only “Drag and Drop” in a “VIEW” component from the symbol Factory. Thank… --- ## [Perspective Performance Stats for end user instance](https://forum.inductiveautomation.com/t/perspective-performance-stats-for-end-user-instance/52369)
**Author:** [@justin.huggins](https://forum.inductiveautomation.com/u/justin.huggins)\ **Replies:** 3\ **Last updated:** [October 28, 2021, 6:33am UTC](https://forum.inductiveautomation.com/t/perspective-performance-stats-for-end-user-instance/52369 "2021-10-28T06:33:07Z")
I am using perspective and am getting end users expressing issues. In Vision, the client had the ability to open up diagnostics to monitor performance for that particular instance. How is that done for Perspective? --- ## [\[Idea maybe\] Allow us to specify a value to appear on an unexpanded UDT](https://forum.inductiveautomation.com/t/idea-maybe-allow-us-to-specify-a-value-to-appear-on-an-unexpanded-udt/52378)
**Author:** [@michael2](https://forum.inductiveautomation.com/u/michael2)\ **Replies:** 2\ **Last updated:** [October 28, 2021, 12:59am UTC](https://forum.inductiveautomation.com/t/idea-maybe-allow-us-to-specify-a-value-to-appear-on-an-unexpanded-udt/52378 "2021-10-28T00:59:30Z")
Wondering if this would be useful for anyone else. I’m thinking somewhere in the UDT you could specify one of the tags to be a ‘key value’ which will be shown on the UDT in the tag browser. Before: After: --- ## [Ignoring values when logging](https://forum.inductiveautomation.com/t/ignoring-values-when-logging/1913)
**Author:** [@TimE](https://forum.inductiveautomation.com/u/TimE)\ **Replies:** 7\ **Last updated:** [October 27, 2021, 9:57pm UTC](https://forum.inductiveautomation.com/t/ignoring-values-when-logging/1913 "2021-10-27T21:57:16Z")
My appologies if I am not explaining this right. In a previous life when I used Cimplicity there was a setting in a tags logging parameters that defined an "ignore" value. When the logger encountered this value it ignore… --- ## [Realtime alarms without polling/looping vs event based alarms](https://forum.inductiveautomation.com/t/realtime-alarms-without-polling-looping-vs-event-based-alarms/52316)
**Author:** [@r.p](https://forum.inductiveautomation.com/u/r.p)\ **Replies:** 4\ **Last updated:** [October 27, 2021, 9:00pm UTC](https://forum.inductiveautomation.com/t/realtime-alarms-without-polling-looping-vs-event-based-alarms/52316 "2021-10-27T21:00:00Z")
Hello, currently there are essentially two methods, that I know of, to retrieve active alarms: querying the db, i.e.: " SELECT \* FROM alarm\_events" with a fixed polling time looping with a python script, i.e. " system… --- ## [Active alarms from remote alarm Journal](https://forum.inductiveautomation.com/t/active-alarms-from-remote-alarm-journal/52293)
**Author:** [@louagejasper](https://forum.inductiveautomation.com/u/louagejasper)\ **Replies:** 1\ **Last updated:** [October 27, 2021, 8:11pm UTC](https://forum.inductiveautomation.com/t/active-alarms-from-remote-alarm-journal/52293 "2021-10-27T20:11:06Z")
We have one central gateway, and multiple remote gateways on each site for machine connectivity. On the central gateway, we are building screens to view data from the entire enterprise. On the central gateway, the goal … --- ## [Script window key shortcut combos](https://forum.inductiveautomation.com/t/script-window-key-shortcut-combos/52413)
**Author:** [@sanchit.sahay](https://forum.inductiveautomation.com/u/sanchit.sahay)\ **Replies:** 4\ **Last updated:** [October 27, 2021, 7:53pm UTC](https://forum.inductiveautomation.com/t/script-window-key-shortcut-combos/52413 "2021-10-27T19:53:40Z")
I am not sure how to create a Title for this issue, so hoping you go through the description and get it I need to use windows shortcuts, and link them to scripts. I need to have a button which when pressed acts as a sa… --- ## [Block Transaction Group Name Property doesn't return Name](https://forum.inductiveautomation.com/t/block-transaction-group-name-property-doesnt-return-name/52418)
**Author:** [@JLCTME](https://forum.inductiveautomation.com/u/JLCTME)\ **Replies:** 0\ **Last updated:** [October 27, 2021, 7:42pm UTC](https://forum.inductiveautomation.com/t/block-transaction-group-name-property-doesnt-return-name/52418 "2021-10-27T19:42:30Z")
I’m trying to create a Block Transaction Group with tag.value and the tag.name in the table. I brought in the same tag twice and set the data type for the first instance to Value (float) and the second to Name (string). … --- ## [Text field visible/invisible based on dropdown value](https://forum.inductiveautomation.com/t/text-field-visible-invisible-based-on-dropdown-value/52416)
**Author:** [@mjohnson0238](https://forum.inductiveautomation.com/u/mjohnson0238)\ **Replies:** 2\ **Last updated:** [October 27, 2021, 7:22pm UTC](https://forum.inductiveautomation.com/t/text-field-visible-invisible-based-on-dropdown-value/52416 "2021-10-27T19:22:05Z")
I’m trying to make a text field visible/invisible when my dropdown selector is either 1 or 3. {Root Container.Dropdown.selectedValue} = 1 || 3 I’m sure I’m missing something in the syntax can anyone help? Thanks --- ## [Vertical Table in Perspective](https://forum.inductiveautomation.com/t/vertical-table-in-perspective/52396)
**Author:** [@williann.tx](https://forum.inductiveautomation.com/u/williann.tx)\ **Replies:** 6\ **Last updated:** [October 27, 2021, 7:06pm UTC](https://forum.inductiveautomation.com/t/vertical-table-in-perspective/52396 "2021-10-27T19:06:13Z")
Is it possible to have a vertical table with heading in a column? It would only be 2 columns: Header and data. Or any suggestions? Thanks in advance! -W --- ## [XY Chart Default Color Scheme](https://forum.inductiveautomation.com/t/xy-chart-default-color-scheme/52414)
**Author:** [@nicholas.robinson](https://forum.inductiveautomation.com/u/nicholas.robinson)\ **Replies:** 0\ **Last updated:** [October 27, 2021, 6:38pm UTC](https://forum.inductiveautomation.com/t/xy-chart-default-color-scheme/52414 "2021-10-27T18:38:43Z")
The time series chart in perspective has a really convenient property like this: The XY chart on the other hand seems not to and the default color scheme gets a bit loud for my taste once it moves into the realm of pi… --- ## [Table Binding Query Error Exception](https://forum.inductiveautomation.com/t/table-binding-query-error-exception/52407)
**Author:** [@MontyP](https://forum.inductiveautomation.com/u/MontyP)\ **Replies:** 2\ **Last updated:** [October 27, 2021, 5:38pm UTC](https://forum.inductiveautomation.com/t/table-binding-query-error-exception/52407 "2021-10-27T17:38:48Z")
I have an existing named query (MyQuery) that is successfully set up and outputting 2 rows and 16 columns when I test it in the named query testing area. I then go to view, add a table component, bind the data, and go to… --- ## [Custom Named Colors in Vision?](https://forum.inductiveautomation.com/t/custom-named-colors-in-vision/52404)
**Author:** [@batkinson](https://forum.inductiveautomation.com/u/batkinson)\ **Replies:** 5\ **Last updated:** [October 27, 2021, 4:50pm UTC](https://forum.inductiveautomation.com/t/custom-named-colors-in-vision/52404 "2021-10-27T16:50:45Z")
I may not be looking with the right search terms, but I’m having a hard time finding the best practice for storing a set of custom colors by name to be able to use them project wide across my vision screens. How can I b… --- ## [Creating table to display Arrays from OPC tags](https://forum.inductiveautomation.com/t/creating-table-to-display-arrays-from-opc-tags/52402)
**Author:** [@Eddie\_Earle](https://forum.inductiveautomation.com/u/Eddie_Earle)\ **Replies:** 9\ **Last updated:** [October 27, 2021, 4:14pm UTC](https://forum.inductiveautomation.com/t/creating-table-to-display-arrays-from-opc-tags/52402 "2021-10-27T16:14:46Z")
Hi, I’m using Ignition 8.1.10 to display OEE metrics from an OPC based machine, however one of the parameters I would like to get off it is an array that keeps causing errors when trying to convert the data. I can see … --- ## [Finding Phantom Query](https://forum.inductiveautomation.com/t/finding-phantom-query/52398)
**Author:** [@bschiv](https://forum.inductiveautomation.com/u/bschiv)\ **Replies:** 2\ **Last updated:** [October 27, 2021, 3:25pm UTC](https://forum.inductiveautomation.com/t/finding-phantom-query/52398 "2021-10-27T15:25:04Z")
I have a project that has been deployed at a customer. Recently I visited to check on things, and the Log showed that a number of database queries were timing out. There is likely more than one issue here, but one thing … --- ## [Name Query Datetime](https://forum.inductiveautomation.com/t/name-query-datetime/52354)
**Author:** [@Kfoldesi](https://forum.inductiveautomation.com/u/Kfoldesi)\ **Replies:** 3\ **Last updated:** [October 27, 2021, 1:47pm UTC](https://forum.inductiveautomation.com/t/name-query-datetime/52354 "2021-10-27T13:47:15Z")
The times are getting changed when stored to MS SQL. I’m reading a time stamp out of a Siemens PLC (array of bytes). And converting it with datetime.datetime import datetime logger = system.util.getLogger("MyLogger")… --- ## [How do I use the Input, Output, Input/Output options on perspective's view params?](https://forum.inductiveautomation.com/t/how-do-i-use-the-input-output-input-output-options-on-perspectives-view-params/24489)
**Author:** [@jfryar](https://forum.inductiveautomation.com/u/jfryar)\ **Replies:** 16\ **Last updated:** [October 27, 2021, 2:21pm UTC](https://forum.inductiveautomation.com/t/how-do-i-use-the-input-output-input-output-options-on-perspectives-view-params/24489 "2021-10-27T14:21:57Z")
I am attempting to create a confirmation dialogue in perspective. I need it to popup, ask the user if they are certain they want to take this action, and then give them the option to say yes or no. I am uncertain how I c… --- ## [Dataset to CSV without quotes](https://forum.inductiveautomation.com/t/dataset-to-csv-without-quotes/52381)
**Author:** [@andreas](https://forum.inductiveautomation.com/u/andreas)\ **Replies:** 5\ **Last updated:** [October 27, 2021, 1:35pm UTC](https://forum.inductiveautomation.com/t/dataset-to-csv-without-quotes/52381 "2021-10-27T13:35:32Z")
Hi all :slightly\_smiling\_face: We are running a query against a table in our database, and it returns a dataset with two columns ( name , value ). The dataset is converted to a CSV by: csv = system.dataset.toCSV(ds,1)… --- ## [Container for UDTS](https://forum.inductiveautomation.com/t/container-for-udts/52364)
**Author:** [@mojoeswa](https://forum.inductiveautomation.com/u/mojoeswa)\ **Replies:** 5\ **Last updated:** [October 27, 2021, 1:06pm UTC](https://forum.inductiveautomation.com/t/container-for-udts/52364 "2021-10-27T13:06:16Z")
What is the best practice for choosing containers for udts? For example, I have tried to use coordinate container for a motor, but when I change the resolution I get scrollbars (The engine is an embedded view in a P&ID s… --- ## [Dropdown text color property?](https://forum.inductiveautomation.com/t/dropdown-text-color-property/52367)
**Author:** [@agriner](https://forum.inductiveautomation.com/u/agriner)\ **Replies:** 4\ **Last updated:** [October 27, 2021, 12:07pm UTC](https://forum.inductiveautomation.com/t/dropdown-text-color-property/52367 "2021-10-27T12:07:49Z")
Is there a way to change the color property on a Dropdown component’s text? Changing the font and boldening the text works fine but actually changing the color doesn’t seem to work. --- ## [Call project library script to vision page with timer](https://forum.inductiveautomation.com/t/call-project-library-script-to-vision-page-with-timer/52382)
**Author:** [@batuhan.parlakay](https://forum.inductiveautomation.com/u/batuhan.parlakay)\ **Replies:** 1\ **Last updated:** [October 27, 2021, 11:49am UTC](https://forum.inductiveautomation.com/t/call-project-library-script-to-vision-page-with-timer/52382 "2021-10-27T11:49:29Z")
Hi, There is error-free code running in the project library script . I want to run this every 5 seconds. What parameters should I use even if it is done in the timer part? what should i do for this ? Thank you. [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=939) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=941)