![]() It is necessary to recreate any web apps where the attribute table is configured to look at a layer in the web map. There is a bug with the attribute table widget in Web App Builder. The reprojected layer should now be visible throughout AGO Test all affected maps and apps for functionality.The structure of the URL must be identical, including the layer number if applicable Select any maps or apps that reference the old layer and update them with the new URL.Choose Update the URL of Services in a Web Map from the I want to.Make any necessary sharing, metadata, layer, or group updates.Find the layer in AGO content (on the web).Check the editor preferences in the parameters area.Adjust any symbology you want to update before publishing.Make sure to use a new map so the old map's projection is not carried over when publishing Once the export finishes, add that feature class to a new map.Export that layer to the that new geodatabase inside the feature dataset (attachments are enabled by default).Find the old layer in Catalog pane under Portal content.The feature dataset enforces the chosen projection of all data inside it. Create a new feature dataset in whatever projection you want for the new feature layer, i.e., the reprojection.Reprojecting the feature layer and publishing Turn the editor tracking back on in AGO.Although its many advantages, this projection is not appropriate for any type of. Although it distorts areas in the polar regions, it’s become the de facto standard for web mapping of any type and is useful for large-scale (local) maps on the internet. If you project into State Plane to perform your measurements, your returned measurement could be in either meters or feet depending on the variation of the coordinate system you choose. Use the field calculate geoprocessing tool to copy the values into the new fields The Web Mercator projection is a variant of Mercator, Mercator Auxiliary Sphere. The Web Mercator coordinate system used by Google/Bing/ArcGIS Online uses meters.Add fields for preservation, e.g., editor_old.Open the Portal section of catalog and find the web feature layer.Open ArcGIS Pro and open an project for the work.For good measure, export a backup to File GDB.On the settings tab, disable editor tracking.If this is a requirement, do it before the reprojection The following steps are optional and pertain preserving editor tracking. How To Optional: Preserving editor tracking Editor access to any maps or apps using layer in AGO. ![]() Editor access to layer in ArcGIS Online (AGO).In the process, I also preserved the last editor value in a new field. Working with Esri Solutions Engineer Matthew Viverito, I was able to reproject a web feature layer that included attachments and point web apps to the new service using ago-assistant. This layer was inadvertently published by a user that had previously used said projection and forgot to change it when publishing. I recently encountered a business need to reproject a hosted web feature layer from an obscure projection to Web Mercator. ![]()
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