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Zoom in limit destroys usefulness of Arcgis.com maps

StephanieTom

Unlike previous Arcgis.com maps I've made, the newer saved maps don't allow me to zoom in close enough to see small parcels and imagery details. This zoom in limitation destroys most of the usefulness of these Arcgis.com maps platform for me and the staff I support. Can someone remedy this situation?

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Mike Minami

Nothing has changed in this area, so it should be working as it did before. Are you using a different basemap? Each basemap has its own scale range. Can you share your map publicly and tell us exactly what you are doing so we can try to reproduce the problem?

Thanks,

Mike

StephanieTom

Hi Mike,

Sure, my old map, TNC Hawaii - Test 2 (made Jan 27, 2011), allows zooming in to 100 ft on the scalebar (http://www.arcgis.com/home/item.html?id=d9993e7e9b6442a09cb63bc2989adb95). This allows me to see detail in the World Imagery layer, when I turn that on.

My new map, TNC Hawaii - Test 3 (made March 8, 2011), does not allow zooming in closer than 0.3 mi on the scalebar, even if I change the basemap (http://www.arcgis.com/home/item.html?id=7d162311a877481880092bf3844279c1). This is too far away to see detail no the World Imagery layer. Can you tell me what I change in order to zoom in?

Both are publicly shared,
Steph

Anonymous User

It looks like the old service is a dynamic service. There are no limits on zoom level for dynamic map services. The new service appears to be a tiled map service and on these there are limits based on the tiling scheme. That is my guess why you are being limited--not because of ArcGIS.com viewers.

Mike Minami

The visible display range of a map is determined by the basemap. In one map, you are using the USA Topo basemap. In the other, you are using the World Topo basemap. The USA Topo is cached to 16 levels of detail and has a maximum scale of 1:18055. The World Topo map is cached to 20 levels of detail and has a maximum scale of 1:1128. This is why with the map that uses the World Topo, you can zoom in more.

While you can change the basemap in your "TNCHawaii test 3" map, there is currently a bug that the zoom slider doesn't change in the map, so it will still reflect the visible scale range of the USA Topo basemap even though you change it to the World Topo basemap. So, you will need to recreate your map, starting with the World Topo basemap.

Thanks,

Mike

StephanieTom

Thanks for the good explanation, Mike & Ray. I will use the workaround you suggest, Mike. Since USA topo maps is a really useful layer, I figured out that there a way to add it as a layer instead of a basemap, which allows me to zoom past it that layer's max level of detail and still see the other layers that I have turned on. Yay!

When you zoom in beyond that max level for the USA_Topographic_Map layer or baseline, I wish that it would display a blurry image of their max level of detail, instead of turning the layer completely off and showing the message "map data not yet available". It's very useful to have even a blurry image of that max level of detail for our project planning. If this is not the right venue to ask, who can I request that from? Thanks!

MLowry

If this is not the right venue to ask, who can I request that from? Thanks!

ideas.arcgis.com

Mike Minami

The workaround is what I described in the earlier post. Essentially, he needed to use the world topo basemap that has a higher level of detail.

Thanks,

Mike

StephanieTom

The workaround my coworker Jon Fisher helped me figure out was to publish my own custom empty basemap in ArcGIS Server with 1:100, 1:250, and 1:500 zoom levels in addition to all the other standard arcgis zoom levels. Then I pointed my arcgis.com map to that basemap. Hope this helps you!

aloha,
Steph

SarahORourke

Mike,

I was just wondering if the bug about the zoom slider not changing still existed or if there was a work around for it. I'm using a personal account and created a map using the grey basemap, now I want to change the basemap to Esri imagery or something that will allow me to zoom in closer. Can this be done without having the re-create the entire map? If I need to re-make the map what basemap has the most zoom levels?

Thanks
Sarah

Mike Minami

You should be able to change basemaps. Just save the map. The next time you open the map, the zoom slider should be correct.

Thanks,

Mike

CrisBarredo

The workaround my coworker Jon Fisher helped me figure out was to publish my own custom empty basemap in ArcGIS Server with 1:100, 1:250, and 1:500 zoom levels in addition to all the other standard arcgis zoom levels. Then I pointed my arcgis.com map to that basemap. Hope this helps you!

aloha,
Steph

Hi Steph,

Can I also do this using ArcGIS Online? I tried publishing a basemap with custom zoom-levels but I encountered an error telling me that I cannot directly publish a basemap as a service.

Mike Minami

Cris,

Are you trying to republish an ArcGIS Online basemap? You can't do that.

If you have your own data, you can publish it as a service, then use that service as the basemap layer in a web map instead of the ArcGIS Online basemaps.

thanks,

Mike

CrisBarredo

Hi Mike,

No, I'm not trying to republish an ArcGIS Online basemap, what I'm trying to do is to publish an empty basemap with deeper scale levels. I add a new basemap in a layer in ArcMap and then set the minimum and maximum scale levels, when I tried publishing I encounter that error.

Mike Minami

OK, after talking to some ArcMap people, I've learned you can't publish a map if it contains a basemap. So you simply need to remove the basmap and add it as a "regular" layer.

One question for you, however. Why are you trying to publish a basemap that is empty? What exactly are you trying to achieve? You can make any layer from ArcGIS Server "the basemap" when you add it to a web map. If that layer happens to be dynamic, the map will zoom dynamically, not from tiles. Depending on the extent of your area of interest, generating empty tiles for larger scales could yield a lot of tiles.

Thanks,

Mike

PaulStephenson

I have been looking at troubleshooting this same topic. I have tried services published using ArcGIS for Server as well as services published directly to AGOL. I have switched basemaps, and even set my own data as basemaps, but no matter how I mix it up I cannot zoom in beyond 1:1,128 within AGOL. Any suggestions? (I've seen a couple of similar topics but this seems to be the best fit that I've found)

Thanks

Paul

PaulStephenson

I have been looking at troubleshooting this same topic. I have tried services published using ArcGIS for Server as well as services published directly to AGOL. I have switched basemaps, and even set my own data as basemaps, but no matter how I mix it up I cannot zoom in beyond 1:1,128 within AGOL. Any suggestions? (I've seen a couple of similar topics but this seems to be the best fit that I've found)

Thanks

Paul

Update: I've found that if I have a cached service published with the desired scale settings AND have it set as the basemap AND have saved, closed AND then re-opened the AGOL map, I have what I was interested in. One thing to consider is that basemaps provided by ESRI don't seem to zoom any closer (They do not display when closer than they allow).

DonPritt

One thing that baffles me and is disappointing is that I'll use the same base maps in ArcMap pulled off the internet from ESRI and can zoom in close but not in my GISonline organizational account webmaps, they're the same basemaps and wish I could have the closer zooms while in my GIS online Maps.

AlastairClinkscale

One question for you, however. Why are you trying to publish a basemap that is empty? What exactly are you trying to achieve? You can make any layer from ArcGIS Server "the basemap" when you add it to a web map. If that layer happens to be dynamic, the map will zoom dynamically, not from tiles. Depending on the extent of your area of interest, generating empty tiles for larger scales could yield a lot of tiles.

Thanks,

Mike

Just to confirm, this isn't possible for a feature service created from a zipped shapefile uploaded to AGOL, only from layers published from ArcGIS Server?

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