Image basemap not loading on Express map

[dshakya]

I am trying to use Image as Basemap for Express Map. When I upload the image, it shows up on the Thumbnail, but nothing loads in the map window. I have tried JPG and PNG, both under 1MB file size. During upload, it briefly flashes in the map pane, but nothing loads.

[dshakya]

Hi, can anyone confirm that they are able to use an image as basemap in Express Map? Just wanted to confirm it's just not only for me.

[OwenGeo]

@dshakya -- Do you have any annotations already added to the express map? If so, can you please delete them first and then try? Also, can you let us know if you see this issue when uploading an image basemap in a new/fresh express map?

[dshakya]

Hi,

I do not have any annotation in the map. This is a fresh map component that I am trying to add to StoryMap. This used to work few months ago. It doesn't work anymore. I am trying to get the express map in a StoryMap and have tried using the Map component by itself and inside the Sidecar. Both don't work. 

Thanks for looking into this one.

UPDATE: I created a brand new StoryMap and just added the Express Map component only. I am able to add the same image basemap there and added the annotations there. But I still can't add this component to the existing StoryMap that has been published (internally). 

[OwenGeo]

@dshakya - We have been looking into this one more and we are able to reproduce the issue. It appears to be related to themes that use the topographic basemap (like Ridgeline).

We'll look to address this issue in an upcoming release. For now you should be able to use this workaround: change to a different theme, add the image base layer, and then switch back to the theme you were using.