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Crear símbolos de líneas ferroviarias en el Visor de Mapas de ArcGIS Online

JimBarry

********* ACTUALIZACIÓN DEL ARTÍCULO DEL BLOG , 23 DE JUNIO DE 2025 El ArcGIS Online Map Viewer ahora contiene símbolos de líneas ferroviarias . Simplemente vaya a las Propiedades de su capa de línea , ahora hay diferentes tipos de símbolos ferroviarios bajo el conjunto de símbolos " Transportation " . & nbsp ; < img src = " https : // us . v - cdn . net / 6038851 / uploads / images / 134865i6A8D49BEDC38C249 / JimBarry _0 -1750704130888 . png " width = " 545 " height = " 486 " role = " button " title = " JimBarry _0 -1750704130888 . png " alt = " JimBarry _0 -1750704130888 . png " / > & nbsp ; Gracias a & nbsp ; < a href = " https : // community . esri . com / t5 / user / viewprofilepage / user - id / 216794 "> @ CameronRex1 < / a > & nbsp ; por señalar eso . & nbsp ; Para más información , vea la nota de & nbsp ; < a href = " https : // community . esri . com / t5 / user / viewprofilepage / user - id / 216794 "> @ CameronRex1 < / a > en la sección de Comentarios abajo . Así que , en resumen , para hacer símbolos ferroviarios , ya no necesita salir a ArcGIS Pro para hacerlo , como sugiere el artículo a continuación . & nbsp ; Dicho esto , voy a dejar este artículo y sus pasos disponibles , porque , como comentó & nbsp ; < a href = " https : // community . esri . com / t5 / user / viewprofilepage / user - id / 81518 "> @ BryanBoutz1 < / a > & nbsp ; más abajo , estas técnicas aún pueden usarse para agregar ciertos símbolos a mapas web que quizás aún no estén disponibles en el ArcGIS Online Map Viewer . ... onclick="event.preventDefault();">guardar mapa web

Esto abrirá el panel de la herramienta "Save Web Map". Complétalo como consideres, y cuando estés listo, haz clic en "Analyze", y luego en "Save". Si al hacer clic en "Analyze" se generan errores o advertencias, tendrás que resolverlos, dependiendo de cuáles sean.

analyze and save web map

PASO 6

Una vez que la herramienta "Save Web Map" funcione correctamente, regresa a tu mapa web, de nuevo en el ArcGIS Online Map Viewer, y verás que el símbolo de la línea ferroviaria que configuraste se ve tal como lo configuraste en ArcGIS Pro. Los cambios pueden no aparecer automáticamente. Necesitarás actualizar tu navegador o cerrar y volver a abrir el mapa web.

Además, si quieres modificar un poco más el símbolo de la línea ferroviaria, puedes hacerlo. Si vuelves a abrir el panel "Properties > Styles" de la capa, verás opciones para restablecer las propiedades de ambas partes del símbolo de línea: el "solid stroke" y el "vector marker". Estas opciones de configuración del símbolo no estaban disponibles antes. Solo se vuelven visibles después de usar ArcGIS Pro para cambiar el símbolo de línea, en este caso, a un símbolo ferroviario que usa tanto una línea como un marcador.

EN CONCLUSIÓN

Estos pasos me están funcionando bastante bien, pero debo admitir que esta solución es un camino largo hasta el día en que los símbolos de líneas ferroviarias estén incluidos en la lista de estilos que puedes elegir dentro del map viewer.

Dime si crees que podría haber una manera más fácil de hacer esto. Sin duda podría estar pasando algo por alto. ¡Gracias por tu tiempo!

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Comentarios

LindsayRaabe_FPCWA

Nice work around. To clarify, Steps 2 & 3 would be the same as opening ArcGIS Pro then opening the webmap from your Catalog's Portal connection (which is how our staff typically find data from ArcGIS Online).

Being able to modify a webmap this way though is a new concept for me and something I'm keen to try when the situation undoubtably arises!

BryanBoutz1

I've found that editing symbology and then publishing or updating an existing webmap is the secret to many cool cartographic tricks in ArcGIS Online. Online now supports a rich cartographic information model (CIM) but the Map Viewer does not provide as many options, tools, and presets for manipulating symbology. It appears that this is one of the drivers of the license structure changes that have been happening recently. In other words, to be an ArcGIS Online expert, you need to be comfortable in ArcGIS Pro.

JimBarry

@BryanBoutz1 Yeah, that's exactly right. Well put. The mapview display supports the CIM to the degree that the ArcGIS JS SDK does, but the UI in the map viewer itself that gives users symbol configuration options, doesn't yet give users full access to everything the mapview can do. I happened to trip upon that with this railroad use case, but I bet it's possible to do a lot more with it, simply using ArcGIS Pro to sort of "unlock" those features.

JimBarry

@LindsayRaabe_FPCWA Nice! Great point about steps 2 and 3. Thanks for that.

>> is a new concept for me

Me too! I actually just tripped up on it by mistake, and was pleasantly surprised when it worked. I do a lot of railroad mapping, so you bet I'll be doing this going forward. Esri does have an enhancement request in the hopper to add a railroad symbol to the "Style" UI in the online map viewer, but until then, this seems to work ok so far.

LindsayRaabe_FPCWA

So, based on this, I would assume that when publishing a new feature service from ArcGIS Pro, the more complex symbology would also be honoured and then tweakable in ArcGIS Online.

As for modifying existing feature service symbology, without having to resort to a republish of the layer from ArcGIS Pro, you would need to go through the process above and then Save the feature service in the map (or "Save as" as a new layer) to be able to add it to other maps.

JimBarry

@LindsayRaabe_FPCWA

>> I would assume that when publishing a new feature service from ArcGIS Pro, the more complex symbology would also be honoured and then tweakable in ArcGIS Online.

I would need to try this some more in different ways with different symbology to see what kinds of things get preserved and which do not, or do so partly. For now, I've only been using symbology saved with the web map, and not yet symbology saved with the hosted feature service layer itself. To be candid, I typically save symbology with the layer because the layers I work with, I typically want symbolized the same way. I do this by going to the hosted feature layer's item page, go to the Visualization tab, then set it up and save it that way. Then the layer will start with the same preferred symbology when brought into any way, like you said. All I've learned so far is that the online map viewer's map display supports more symbol options that the map viewer's UI allows you to select.

Thanks for the extra info there about saving it with the layer, so that it then that becomes the default symbology when added to other maps. This is fun stuff.

AndresCastillo

This method of adding the web map item ID to the Pro content pane, then configuring the desired symbology in Pro, then either publishing, or overwriting the web map, also works with custom dictionary mobile/web styles.

In the web map item_data json (viewable in ArcGIS Assistant), new key-value pairs are added to the renderer key, which enables the symbology to be rendered within the web map.

JimBarry

That's great @AndresCastillo , thanks for sharing that! 🙂

CameronRex1

@JimBarry There’s actually a much easier way to create and use custom railroad line/point (or polygon) symbols in both ArcGIS Online Map Viewer and Portal Map Viewer, especially if you're already working with ArcGIS Pro. If your Custom Symbology is common between projects, then it will always be available in ArcGIS Online or Portal.

✅ Custom Symbology Workflow Using ArcGIS Pro & Web Styles:

Create your custom symbology in ArcGIS Pro.
For each symbol click the hamburger menu (top-right) in the Symbology pane and choose "Save Symbol to Style" and save to a Custom Style.
After saving all your custom symbols, go to the Catalog pane > Styles, right-click your custom style, and select "Share as Web Style" to publish to your Portal or ArcGIS Online.
(Optional but recommended) Share the style with a dedicated Symbology or Style Group for easier access and organization-wide use.

🖌️ Using Custom Styles in Map Viewer:

Add your feature service to Map Viewer.
Open Styles > Style Options > Pencil icon > Click the arrow next to the current symbol.
If you haven’t added your custom web style yet, click “+” next to Change Symbol, then select your Shared Custom Style.
If already added, use the Category dropdown, scroll to “Added styles”, and pick your custom style.

Now your custom symbols from Pro are available directly in the web map!

💡 Bonus Tip: Symbolizing by Multiple Fields in Map Viewer

The Map Viewer doesn’t currently support unique symbols by multiple attributes out of the box, but here’s a workaround:

Use an Arcade expression, such as:
"AssetType + '-' + Inspected"
to combine fields.
Map Viewer will only show combinations that already exist in your data.
To ensure all possible combinations appear in your symbology options, temporarily add features representing each desired pair (e.g., Switch/Yes, Switch/No, Signal/Yes, Signal/No, etc.).
Assign your desired symbology to each and save your map, then delete the temporary features.

If anyone’s interested, I’d be happy to put together a step-by-step guide with screenshots.

📌 One More Note:

It looks like ArcGIS Online has recently added a built-in railroad line symbol under the "Transportation" category, which is great to see. However, this does not appear to be available in ArcGIS Enterprise Portal (as of version 11.3).

JimBarry

That's great to know! If you don't mind, I'm going to make an edit to the top of this article and mention your comment here.

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