I have uploaded several Raster files to ArcGIS Online (Tile layer files) from ArcGIS Pro using the Create Map Tile Package tool. Then, I created web maps with 5 of those raster files (Tile layer), and web apps from those web maps.
The issue is that is not possible to get information about those maps themselves by clicking on them. That is, there is not a pop up available. In ArcGIS, one can click on a pixel and get that pixel value, but in ArcGIS Online, unfortunately, that does not work for me at the moment. Perhaps because in the cloud, those maps are identified as basemaps and not as data layers themselves.
May you help me overcome this problem or do you know about an easy solution to solve it?
Also, do you know if it is possible to create sub-groups of layers by aggregating them in ArcGIS Online?
This issue was already reported back in 2016 (need popup for rasters on ArcGIS Online webmap - Esri Community) and there is still no solution to this. This is still an issue that the user is not able to get basic popup info on rasterdata in AGOL. Popup info on raster cells is basic in ArcGIS and should not be limit to the use of the data is published. Please consider implementing this, as most basic web map viewers are able to do this.