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Map Viewer のフォームで Arcade 式を計算する

LJackson29

こんにちは -

Arcadeを使い始めたばかりで、以下の式のどこが間違っているのか、助けが必要です。質問は4つあります（画像1参照）。質問1と4は、どのケースでも回答されます。質問2と3は、プロジェクトが人工的な解決策か自然な解決策かを示す別の質問への回答に応じて回答されます。「人工的」と回答した場合は質問2に、「自然」と回答した場合は質問3に回答します。最初の回答に応じて質問を編集可能にするロジックがあります。各質問の回答には0、10、20のいずれかのスコアが付与されます。その後、以下のロジック（画像2）に基づいて、20点を獲得した質問の数に応じたボーナスポイントを付与します（画像内の「最高得点可能数」の質問）。質問のいずれかが20点の場合、コードは数値を返しません。すべて20点未満の場合は、正しく0を返します。何が間違っているのか、どなたか教えていただけませんか？

//すべて最高点

if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2ENG_SCORE==20 && $feature.PR_RESF3_SCORE==20) { //すべて最高点 - 人工的

return 20;

} else if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2NAT_SCORE==20 && $feature.PR_RESF3_SCORE==20) { //すべて最高点 - 自然

return 20;

//3問中2問が最高点

} else if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2ENG_SCORE==20 && $feature.PR_RESF3_SCORE<20) { //RF1と2が最高点 - 人工的

return 10;

} else if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2NAT_SCORE==20 && $feature.PR_RESF3_SCORE<20) { //RF1と2が最高点 - 自然

return 10;

} else if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2ENG_SCORE<20 && $feature.PR_RESF3_SCORE==20) { //RF1と3が最高点 - 人工的

return 10;

} else if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2NAT_SCORE<20 && $feature.PR_RESF3_SCORE==20) { //RF1と3が最高点 - 自然

return 10;

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2ENG_SCORE==20 && $feature.PR_RESF3_SCORE==20) { //RF2と3が最高点 - 人工的

return 10;

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2NAT_SCORE==20 && $feature.PR_RESF3_SCORE==20) { //RF2と3が最高点 - 自然

return 10;

//3問中1問が最高点

} else if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2ENG_SCORE<20 && $feature.PR_RESF3_SCORE<20) { //RF1のみ最高点 - 人工的

return 5;

} else if ($feature.PR_RESF1_SCORE==20 && $feature.PR_RESF2NAT_SCORE<20 && $feature.PR_RESF3_SCORE<20) { //RF1のみ最高点 - 自然

return 5;

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2ENG_SCORE==20 && $feature.PR_RESF3_SCORE<20) { //RF2のみ最高点 - 人工的

return 5;

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2NAT_SCORE==20 && $feature.PR_RESF3_SCORE<20) { //RF2のみ最高点 - 自然

return 5;

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2ENG_SCORE<20 && $feature.PR_RESF3_SCORE==20) { //RF3のみ最高点 - 人工的

return 5;

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2NAT_SCORE<20 && $feature.PR_RESF3_SCORE==20) { //RF3のみ最高点 - 自然

return 5;

//最高点の質問なし

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2ENG_SCORE<20 && $feature.PR_RESF3_SCORE<20) { //最高点なし - 人工的

return 0;

} else if ($feature.PR_RESF1_SCORE<20 && $feature.PR_RESF2NAT_SCORE<20 && $feature.PR_RESF3_SCORE<20) { //最高点なし - 自然

return 0;

}

タグ付きの投稿をもっと見る

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;

}

JoshuaSharp-Heward

Hi Laila,

Is the "Highest Possible Score" an integer field as well? I realised my script was missing a close bracket, although I assume you fixed that to get it to run! To clarify are you setting this up in the Forms tab in a web map? I've managed to replicate it and get it to run perfectly using this code:

var RESF1Score = $feature.RESF1
var RESF2Score = $feature.RESF2a + $feature.RESF2b
var RESF3Score = $feature.RESF3

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)

So I feel confident that the code I've written works and is a bit easier to understand!

It might be worth putting a very simple calculation like

return 50

to see whether the calculation is even running at all? Could you post a screenshot of the questions in the form builder as well?

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