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basic viewer basemaps performance

ErikBlake

Is there a reason why when I switch between basemaps using the basic viewer app that it is very very sluggish. And then when I zoom in with the aerial basemap it disappears. Is this a known issue? Is anybody else experiencing this? This makes the app very frustrating for our field guys to use. Is there anything i can try to improve this.

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Accepted answers

khutchins

Erik,

The problem with the base maps is that the template apps don't support switching to base maps with different spatial references. It looks like your street base map has a spatial reference of 102722 while the online base maps use Web Mercator (102100).

The ArcGIS Online map viewer has additional logic built in to handle this but the template apps do not. We plan to support this in the future but currently there's not a planned date for when this behavior will be available.

All comments

khutchins

Are you using custom basemaps or the standard Online basemaps? Is the url to your viewer app public? If so can you provide a link so I can take a look?

ErikBlake

Kelly

So. Here is what I got going on. I created a base map group and made this my default base maps and checked "share esri default basemaps with this group" The only map I customized was a simple streets map of our county. I did this because the default esri basemaps LOD did not zoom in enough for our field guys to view multiple valves in an intersection. So by created this basemap of just our county streets and had that has the default I was able to zoom in as close as I wanted to. And since the web maps take the LOD of the default basemap I was able to switch to esri aerial basemap and still be able to zoom in real close when viewing application in Explorer for ArcGIS. Now that I am using the Basic viewer app and viewing it from Chrome it is really buggy as in disappearing when zoomed in takes for ever to switch from our default basemap to imagery or any basemap for that matter. The reason I took explorer out of the equation is one less sign in and app to have to navigate for our field guys. Unfortunately the app is not made public. However I created a test app for you to look at. It is just our basemap layers. This should give you an idea how buggy it is acting. Thanks for your help.

http://nwwsd.maps.arcgis.com/apps/Viewer/index.html?appid=351eb8599b6b4f2e945a18121c196324

khutchins

Erik,

I tried to log-in but the web map prompted for credentials. Can you make it public?

ErikBlake

Sorry about that Kelly. Try it now

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