Pracuji na lekci Predict floods with unit hydrographs | Learn ArcGIS a v sekci „Create a Unit Hydrograph: Prepare the Unit Hydrograph Table,“ #13, dostávám tuto chybu: ERROR 002717: Neplatný Arcade výraz, chyba Arcade: Očekáván středník nebo nový řádek, řádek skriptu: 1 Nepodařilo se provést (CalculateField). Je něco špatně s kódem !Count! * 30 * 30? Děkuji, Erica

Hi Erica Price David is correct. This is an error in the lesson: For Arcade you should use: $feature [ "Count" ] * 30 * 30 // or $feature . Count * 30 * 30 You can also change it to Python and use the formula mentioned in the lesson: !Count! * 30 * 30

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Je v této lekci chyba?

EricaPrice

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Pracuji na lekci Predict floods with unit hydrographs | Learn ArcGIS<\/A> a v sekci „Create a Unit Hydrograph: Prepare the Unit Hydrograph Table,“ #13, dostávám tuto chybu: <\/P>

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ERROR 002717: Neplatný Arcade výraz, chyba Arcade: Očekáván středník nebo nový řádek, řádek skriptu: 1<\/P>

Nepodařilo se provést (CalculateField).<\/P>

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Je něco špatně s kódem !Count! * 30 * 30?<\/P>

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Děkuji,<\/P>

Erica<\/P><\/BODY><\/HTML>

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XanderBakker

Hi Erica Price

David is correct. This is an error in the lesson:

For Arcade you should use:

$feature<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"Count"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">*</SPAN> <SPAN class="number token">30</SPAN> <SPAN class="operator token">*</SPAN> <SPAN class="number token">30</SPAN>
<SPAN class="comment token">// or</SPAN>
$feature<SPAN class="punctuation token">.</SPAN>Count <SPAN class="operator token">*</SPAN> <SPAN class="number token">30</SPAN> <SPAN class="operator token">*</SPAN> <SPAN class="number token">30</SPAN><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

You can also change it to Python and use the formula mentioned in the lesson:

!Count! <SPAN class="operator token">*</SPAN> <SPAN class="number token">30</SPAN> <SPAN class="operator token">*</SPAN> <SPAN class="number token">30</SPAN><SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN>

All comments

HeatherSmith

Thank you Erica, David, and Xander. We will make this fix for our next lesson release!

XanderBakker

Hi Erica Price

David is correct. This is an error in the lesson:

For Arcade you should use:

$feature<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"Count"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">*</SPAN> <SPAN class="number token">30</SPAN> <SPAN class="operator token">*</SPAN> <SPAN class="number token">30</SPAN>
<SPAN class="comment token">// or</SPAN>
$feature<SPAN class="punctuation token">.</SPAN>Count <SPAN class="operator token">*</SPAN> <SPAN class="number token">30</SPAN> <SPAN class="operator token">*</SPAN> <SPAN class="number token">30</SPAN><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

You can also change it to Python and use the formula mentioned in the lesson:

!Count! <SPAN class="operator token">*</SPAN> <SPAN class="number token">30</SPAN> <SPAN class="operator token">*</SPAN> <SPAN class="number token">30</SPAN><SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN>

DavidPike

Looks like Python Field Calculator syntax?

I don't use Arcade unfortunately, but the documentation suggests a syntax like:

$feature["fieldname"] * 30 * 30

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