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Arcade Wizards: Extract values from one field, where all the data is located.

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07-25-2023 06:46 AM
ArmstKP
Regular Contributor

I have a field named ("last_values") that updates every five minutes, where a whole bunch of data comes in this one field.  See the example data from this field, below.  I want to extract into another field, the value (21.4191) that comes after "field1". Anybody have any ideas

 

{"field4":{"value":5,"created_at":"2023-07-24T19:45:15Z"},"log":{"value":507,"created_at":"2023-07-24T17:03:02Z"},"field3":{"value":181.44,"created_at":"2023-07-24T19:49:59Z"},"field1":{"value":21.4191,"created_at":"2023-07-24T19:55:02Z"},"field2":{"value":55.996,"created_at":"2023-07-24T19:55:02Z"},"field5":{"value":-45,"created_at":"2023-07-24T19:50:06Z"},"wifi":{"value":"ee:55:a8:0a:40:ef,-38;fe:55:a8:0a:40:ef,-38;ee:55:a8:0a:40:bf,-57;fe:55:a8:0a:40:bf,-58;02:18:4a:8c:49:62,-61","created_at":"2023-07-24T17:07:49Z"}}

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RhettZufelt
MVP Notable Contributor

This works for me in form calculation and popup.

 

var dic = $feature.last_values
var dicvar = Dictionary(dic)
return dicvar.field1.value

 

as per your modified question, this returns the field1.value and returns as a number (21.4191)

Field Maps calculated value:

RhettZufelt_1-1690323857449.png

Popup:

RhettZufelt_0-1690323715824.png

R_

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3 Replies
RhettZufelt
MVP Notable Contributor

Not sure what you mean by values from field1 and field2.  they are numeric, so you want to add them together or return both values as a text string?

Code below returns as a string on two lines:

var dic = '{"field4":{"value":5,"created_at":"2023-07-24T19:45:15Z"},"log":{"value":507,"created_at":"2023-07-24T17:03:02Z"},"field3":{"value":181.44,"created_at":"2023-07-24T19:49:59Z"},"field1":{"value":21.4191,"created_at":"2023-07-24T19:55:02Z"},"field2":{"value":55.996,"created_at":"2023-07-24T19:55:02Z"},"field5":{"value":-45,"created_at":"2023-07-24T19:50:06Z"},"wifi":{"value":"ee:55:a8:0a:40:ef,-38;fe:55:a8:0a:40:ef,-38;ee:55:a8:0a:40:bf,-57;fe:55:a8:0a:40:bf,-58;02:18:4a:8c:49:62,-61","created_at":"2023-07-24T17:07:49Z"}}'
var dicdata = Dictionary(dic)
var f1 = "Field 1 = " + (Text(dicdata.field1.value))
var f2 = "Field 2 = " + Text(dicdata.field2.value)
return Concatenate(f1 + TextFormatting.NewLine + f2)

RhettZufelt_0-1690308047233.png

Should give you an idea of how to get the values from the dictionary string.

R_

ArmstKP
Regular Contributor

@RhettZufelt Thank you for the example.  I have clarified my original post, to better describe what I am trying to do.

I am working on understanding your example -  I have tried the below and got the following error:

ArmstKP_1-1690316070880.png

 

 

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RhettZufelt
MVP Notable Contributor

This works for me in form calculation and popup.

 

var dic = $feature.last_values
var dicvar = Dictionary(dic)
return dicvar.field1.value

 

as per your modified question, this returns the field1.value and returns as a number (21.4191)

Field Maps calculated value:

RhettZufelt_1-1690323857449.png

Popup:

RhettZufelt_0-1690323715824.png

R_