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Arcade Calculate expression in Map Viewer Forms

LJackson29

Hi -

I am still new to Arcade and need some help identifying what is wrong with my below expression. I have 4 questions (see image 1). Question 1 and 4 are answered in all cases. Question 2 and 3 are answered dependent upon another question indicating whether the project is an engineered or natural solution. If they answer Engineered, then they answer Question 2, if they answer Natural, they answer question 3. There is logic that makes the questions editable depending upon the initial response. The response to each question receives a score of 0, 10 or 20. We then give bonus points (Highest Possible Score question in image) based upon how many questions received 20 points using the below logic (image 2). My code does not return a number if any question=20, if they are all < 20 it correctly returns 0. Can anyone tell me what I am doing wrong?

//all highest

if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2ENG_SCORE==20 && $feature.PR_RESF3_SCORE==20) { //All highest - engineering

return 20;

} else if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2NAT_SCORE==20 && $feature.PR_RESF3_SCORE==20) { //All highest - natural

return 20;

//2 of 3 highest

} else if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2ENG_SCORE==20 && $feature.PR_RESF3_SCORE<20) { //RF1 and 2 highest - engineering

return 10;

} else if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2NAT_SCORE==20 && $feature.PR_RESF3_SCORE<20) { //RF1 and 2 highest - natural

return 10;

} else if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2ENG_SCORE<20 && $feature.PR_RESF3_SCORE==20) { //RF1 and 3 highest - engineering

return 10;

} else if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2NAT_SCORE<20 && $feature.PR_RESF3_SCORE==20) { //RF1 and 3 highest - natural

return 10;

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2ENG_SCORE==20 && $feature.PR_RESF3_SCORE==20) { //RF2 and 3 highest - engineering

return 10;

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2NAT_SCORE==20 && $feature.PR_RESF3_SCORE==20) { //RF2 and 3 highest - natural

return 10;

//1 of 3 highest

} else if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2ENG_SCORE<20 && $feature.PR_RESF3_SCORE<20) { //only RF1 highest - engineering

return 5;

} else if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2NAT_SCORE<20 && $feature.PR_RESF3_SCORE<20) { //only RF1 highest - natural

return 5;

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2ENG_SCORE==20 && $feature.PR_RESF3_SCORE<20) { //only RF2 highest - engineering

return 5;

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2NAT_SCORE==20 && $feature.PR_RESF3_SCORE<20) { //only RF2 highest - natural

return 5;

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2ENG_SCORE<20 && $feature.PR_RESF3_SCORE==20) { //only RF3 highest - engineering

return 5;

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2NAT_SCORE<20 && $feature.PR_RESF3_SCORE==20) { //only RF3 highest - natural

return 5;

//None are highest

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2ENG_SCORE<20 && $feature.PR_RESF3_SCORE<20) { //none are highest - engineering

return 0;

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2NAT_SCORE<20 && $feature.PR_RESF3_SCORE<20) { //none are highest - natural

return 0;

}

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Arcade

Accepted answers

LJackson29

@JoshuaSharp-Heward Thanks for your assistance on this - I really appreciate it. Knowing that you could get it to run, I started tracing back my steps and finally found the root cause. The Score fields are all short integers, but are calculated based upon select one questions. In those calculation scripts I had my numbers in single quotes which was causing the problem.

if ($feature.PR_RESF1=='1. RSS asset(s) BRE meet ALR'){

return '0';

I removed the single quotes, and the script is now working as expected :-). Being new to Arcade, I have to say I do not know when to use double quotes, single quotes or no quotes. It is often trial by error, but in this case the calculations for the score fields were running as expected and returning the correct values, so I did not know the single quotes were problematic.

Thanks again!

All comments

JoshuaSharp-Heward

Hi,

I've gone for a slightly different approach to the problem as I think with that many if/else if clauses it can be tricky to work out what's going on.

var RESF1Score = $feature.PR_RESF1_SCORE
var RESF2Score = $feature.PR_RESF2ENG_SCORE + $feature.PR_RESF2NAT_SCORE
var RESF3Score = $feature.PR_RESF3_SCORE

function isTwenty(i) { return i == 20 }

var num20s = Count(Filter([RESF1Score, RESF2Score, RESF3Score], isTwenty)
When(num20s==3,20,num20s==2, 10, num20s==1, 5, 0)

To summarise what this is doing:

Adds ENG/NAT together as one is filled in each time and the other is 0, for the purposes of this calculation I believe they can be lumped together because ENG and NAT are treated equally
Assigns a variable for the above plus the RESF1 and RESF3 score
Create a function that returns true if the input is equal to 20
Uses the Arcade Filter function with the list of scores from above, to get rid of any that aren't 20, and returns the count of the number of 20s
Uses the When function to return the 20 if there are 3 20s, 10 if there are 2, 5 if there's 1 and 0 if there are none

Hope this works for you! Seemed to be working fine in the Arcade playground for me.

Cheers,

Josh

LJackson29

Hi @JoshuaSharp-Heward -

Sorry for the slow reply, I am just getting back to this after getting pulled away on another project. I need to get the default values updated in my layer, and then I will see if this works.

Many thanks!

Leila

JoshuaSharp-Heward

Hi Leila,

No worries, let me know how you get on 🙂

Josh

LJackson29

@JoshuaSharp-Heward I was able to test your code today, and it too only returns 0 for some reason. I also tried a hybrid script posted below with the same result. It seems like all of these should work - I feel like I am missing something really obvious. I cleared the entire "Highest" field to Null to make sure there wasn't lingering data in there and that the scripts were actually calculating, and they are, just to 0 always. The score fields are all short integers.

Thanks!

Leila

Hybrid script

var RESF1Score = $feature.PR_RESF1_SCORE

var RESF2Score = $feature.PR_RESF2ENG_SCORE + $feature.PR_RESF2NAT_SCORE

var RESF3Score = $feature.PR_RESF3_SCORE

//all highest

if (RESF1Score==20 && RESF2Score==20 && RESF3Score==20) { //All highest

return 20;

//2 of 3 highest

} else if (RESF1Score==20 && RESF2Score==20 && RESF3Score!=20) { //RF1 and 2 highest

return 10;

} else if (RESF1Score==20 && RESF2Score!=20 && RESF3Score==20) { //RF1 and 3 highest

return 10;

} else if (RESF1Score!=20 && RESF2Score==20 && RESF3Score==20) { //RF2 and 3 highest

return 10;

//1 of 3 highest

} else if (RESF1Score==20 && RESF2Score!=20 && RESF3Score!=20) { //only RF1 highest

return 5;

} else if (RESF1Score!=20 && RESF2Score==20 && RESF3Score!=20) { //only RF2 highest

return 5;

} else if (RESF1Score!=20 && RESF2Score!=20 && RESF3Score==20) { //only RF3 highest

return 5;

//None are highest

} else if (RESF1Score!=20 && RESF2Score!=20 && RESF3Score!=20) { //none are highest

return 0;

}

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