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Symbology Scaling in AGOL

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07-16-2023 04:15 PM
JasonCyphers
Occasional Contributor III

I created a map in Pro, that symbolizes the range of communication towers, in miles, based on an attribute:

JasonCyphers_0-1689549049163.png

The map has been published to AGOL, but because of how AGOL Map Viewer scales the symbology based on zoom level, the mile range of the towers is no longer symbolized correctly:

JasonCyphers_1-1689549222851.png

Is there a way to remedy this, so AGOL Map viewer correctly displays the coverage radius?

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4 Replies
SimonSchütte_ct
Occasional Contributor III

Is there a way to remedy this, so AGOL Map viewer correctly displays the coverage radius?

Generate polygon buffers instead of using symbology

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JasonCyphers
Occasional Contributor III

Well, I tried to do it.  Changed map and layers coordinate system to state plane.  Got buffer to show up based on attribute, but when I try to publish it to AGOL, I get an error that the basemap and map's coordinate system aren't the same.  I can't change the basemap (that I know of), and changing the map's coordinate system to match the basemap throws the buffers off.  Any suggestions?

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SimonSchütte_ct
Occasional Contributor III

Check your Basemap Layer properties:

SimonSchtte_ct_0-1689747439948.png

As you noticed, your data layer is in another coordinate system.
Use the Tool Project (Data Management)—ArcGIS Pro | Documentation 
to bring your data set into the same coordinate system as the basemap.

SimonSchtte_ct_1-1689747801618.png


Another option would be to only publish the data layer as feature layer, without a basemap. This will maintain your coordinate system. But when you add the layer to a map, it will be transformed on the fly, which can have an impact on the layer performance.

If you don´t need a feature layer, you could also publish a tiled layer.

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MiguelParedes
Esri Contributor

Greetings @JasonCyphers 

I think that what you probably need is something like the Range Rings tool as described in the "Create Range Rings tool" available in ArcGIS Pro.
Doing a test with cities in Florida, I tried with the following parameters:

MiguelParedes_0-1689925352693.png

And here are the results (Map in WGS84):

MiguelParedes_1-1689925420068.png

I then published the Range Circle layer to ArcGIS Online, added the service to the map, and switched the coordinate system of the basemap to NAD 1983 StatePlane Florida WEST FIPS 0902 (US Feet), and got the following:

MiguelParedes_2-1689926703028.png

So the Circle layer will be projected to the coordinate system you are using in the basemap (In this case WGS84) , and be geodetically correct:

MiguelParedes_3-1689927191091.png 

MiguelParedes_4-1689927238914.png

Oh, sorry, in your original question, you are defining the range through an attribute.  The tool I illustrated above is an interactive tool.  However, there is a tool that should do what you want based on an attribute value, Generate Range Rings From Features (Defense). I have not tried this particular tool, but it looks like it will work for your use case. 

Hope the above helps.

Miguel
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