Arcade Labels – How to Generate Superscript with Arcade Derived Labels

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I would like to label features with superscript mi2 in AGOL map viewer. I've tried setting the label as var label = " mi" + "<SUP>" + "2" + "</SUP>" but it is not working.

Best Answer

I may be wrong but formatting of labels in ArcGIS Pro is poorly supported by it's ArcGIS Online equivalent. Maybe future releases will be improved. As a workaround after you type your text mi then hold down your Alt key and type 253 to get a superscript two. So your Arcade expression would be:

var label = " mi²"

There are various threads (have a look at this one) to explore on the Esri Community forum that discuss this issue and I get the impression that ArcGIS Online currently has no support for formatting tags used in ArcGIS Pro.

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[GIS] Labeling expressions on AGOL with Arcade for certain features

The below codes, especially the version c) are actually correct and working. I've been having general Arcade expression window bugs which would not show me the results on the map or just wouldn't close or freeze.

For example, this has been working well:

If ($feature.NAME1 == 'Office_space') {
return "Department: " + $feature.NAME1
}
else if ($feature.NAME1 == 'Meeting') {
return "Meeting room: " + $feature.NAME1;
}
else {
return '';
}

ArcGIS Online – How to Use Arcade Expression to Remove Duplicate Labels

If you want a case-insensitive test, use the Upper or Lower functions when comparing:

if(Upper($feature.Location) == Upper($feature.Location_Description)){
    return $feature.Location
} else {
    return $feature.Location + TextFormatting.NewLine + $feature.Location_Description
}

As for removing duplicate labels within a distance, you may need to author the map in ArcGIS Pro and publish as a tile layer as labeling in AGOL/Portal is less powerful.

Best Answer

Related Solutions

[GIS] Labeling expressions on AGOL with Arcade for certain features

ArcGIS Online – How to Use Arcade Expression to Remove Duplicate Labels

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