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Got an answer to this on a dedicated post: Solved: Re: Can we set a calculated field to only calculat... - Esri Community In summary, it needs to be done server side, which means Attribute Rules which at present can only be done in ArcGIS Pro and not ArcOnline.
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05-04-2022
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Hi Aaron. I suspected that the answer might be around Attribute Rules, but also couldn't find anything about them working in ArcOnline yet, so thanks for clarifying that.
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05-04-2022
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Just putting it out there - this thread has been handy. I wanted to do exactly what you have both done but had no idea how to achieve it. New problem though - when offline, it obviously can't read the whole list unless all features are also offline. Any idea how to delay the calculation to happen at the time of sync to ensure unique values?
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05-03-2022
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I've just started using Calculated Expressions in fields in feature services used in offline maps in Field Maps. So far, it's been great, but I do have a question. Is it possible to set a field to trigger the calculation when the data is syncronised to prevent duplicate values being calculated? In my particular instance, I'm calculating an incrementing ID that reads the existing features, finds the max value and adds 1 to create a new value. This works fine when in online mode, but when offline, it only reads the features that are also offline, and thus only increments upwards from there, resulting in duplicate values. If the calculation could be fired on sync, then it would (hopefully) read all values in the feature service first and calculate a new unique value.
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05-03-2022
11:24 PM
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Maybe if in the app, you could open a map and then load a GeoPDF that gets saved as an image in the Markup layer instead of in a dedicated Feature Service even. It could be a really handy function and give simpler apps like Avenza a run for their money.
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05-02-2022
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Surely someone here has some idea or can point me to a good guide/resource to digest? I haven't had much luck finding documentation on this myself.
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04-26-2022
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I would have given you kudo's just for the detail in your suggestion, but I also happen to agree with the request completely. We also work in the forestry space, and the ability to stream or navigate with the application with the screen on but locked or in a low power mode would be very handy for our field workers. We have also found that the location accuracy resets every time you lock the screen and find it really annoying (time waster), unless you are streaming - in which case that will carry on with the screen off and still be okay when you turn it back on (assuming the calculated accuracy doesn't drop below the set threshold).
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04-26-2022
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@RussellBrennan Hi Russell. Just wondering if you have any updates on when we might see the improvements you mentioned above to the Truncate Table and Delete Rows tools?
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04-19-2022
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Hi @BrettGovernanti1 I've just seen your reply (posted the thread using the wrong account so didn't get notified. I just tried out your suggestion and it works well. Can't remember what the original use case-problem was but this definitely works well. Funnily enough though, when setting up the little test I did, the SUM dynamic text element was very unpredictable. When setting it to Visible rows, it would show the total of all rows still, but as soon as I added in the /1000 to convert to Kilometres, it would show the correct visible only figure. Tried a number of ways to get it to show what it should depending on the settings, but only the modified version of the text returned an accurate result.
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04-18-2022
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Why not just create a Rectangle type text box with the static text and format the box to have the same colour background and width as the legend and position it below the legend (but on top of it in the table of contents to the legend doesn't cover it up). Additionally, you might be able to use the Dynamic text option instead of static text to place the Sum of a length field (i.e. Shape_Length) if it is in a Projected coordinate system. Add and modify dynamic text—ArcGIS Pro | Documentation
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04-18-2022
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Thanks for the clarification @CraigGillgrass . That confirms what I figured out while I was waiting for your reply. I haven't had much of a chance to use Field Maps WebApp yet and want aware you could create fields in there as a part of authoring a form. Might have to make that our new standard practice.
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04-14-2022
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@Linde_Carmack it would be good if you could summarize the improvements from changing devices.
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04-13-2022
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@CraigGillgrass I thought I'd try my theory out while waiting for your response, and still found the same issue with a feature service and fields created through ArcOnline. I'm at a bit of a loss as to what you mean by "the ability to change Allows Null Values isn't available for Online feature services". If it isn't available for Online feature services, what is it available for?
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04-13-2022
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Never mind - just figured out that the "View" setting on one was "Table" and the other was "List". Rookie mistake.
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04-13-2022
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I've noticed this before, and whilst it's not a drastic problem, I'd still like to know what causes this behavior. I have 2 feature services in ArcOnline, and when I go to the Data tab and view Fields list, I get 2 different layouts. Why is it so?
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04-13-2022
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| Title | Kudos | Posted |
|---|---|---|
| 1 | yesterday | |
| 2 | a week ago | |
| 3 | 2 weeks ago | |
| 3 | 2 weeks ago | |
| 2 | 2 weeks ago |
| Online Status |
Online
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| Date Last Visited |
yesterday
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