Unable to snap line to existing line in map

[kmsmikrud]

Update after toggling snapping off and back on in the user settings I was able to get it to snap to an existing line vertex. In order for the snap to work it looks like you have to be zoomed in quite far on the map. This isn't ideal since we are collecting data during aerial surveys. At what scale or zoom level should snapping work. In the desktop environment you can be zoomed out quite far, but still get the snapping capability? Thanks!

Hi,

We are migrating our surveys from using ArcGIS Collector to Field Maps. We have been unable to get snapping to work. It is enabled in the user settings. When I click to collect a line near an existing line I do not see any snapping (orange points) show in the map. Other surveyors have also not been able to snap.

Are there are settings in the web map settings or reference layers that also need to be set?

Thanks in advance for your help,

Kathy

[AlixPower · Accepted solution]

Hi @kmsmikrud,

Snapping activates at a scale 1:10000. Unfortunately there isn't anyway to change this as it is hard coded at the app level. 

Regards,

Alix

[kmsmikrud]

Hi Alix,

I appreciate the information on the scale, this is useful to know and share with others, but unfortunate it can't be changed to a smaller scale. Is there a way to know what scale you are at in the map similar to desktop GIS software but within the Field Maps app?

Can you tell me if there are any plans to implement the trace function in creating lines within Field Maps? This would be much more useful than snapping in some survey areas.

Thanks,

Kathy

[kmsmikrud]

I haven't received a reply from @AlixPower , is there someone else on the Field Maps development team that could reply on the feasibility of adjusting the snap scale in Field Maps?   @Anonymous User ?

One of the biologists relayed yesterday that in Collector he was able to snap at smaller scales than now in Field Maps. If users can't current delineate freehand lines or trace please allow snapping at smaller scales. For aerial surveys the scale of 1:10000 is way to zoomed in and not useable. We are trying to make it work for our aerial surveys, but ...

Hi @AlixPower , 

Its been a year since this post, but would Field Maps team consider allowing snapping at smaller scales than 1:10000. We use Field Maps for aerial surveys and this scale is very zoomed in on the map and so the snapping feature is not very useful with the current scale. If its hard coded couldn't this be changed? Also again is trace feature an option in the near future?

The current vertex to vertex lines are so very awful and tedious for folks trying to use the app in the plane.

Thanks,

Kathy

[PaulLohr]

@kmsmikrud

This is my overall impression. Field Maps can be ok for simple tasks but when I've tried to use more complex features such as snapping, relationships and offline editing, there are problems. Lots of wasted time trying to make this stuff work. Tech support can't figure it out in a few weeks time.

If there's any way you can run Collector on iOS, that should get you snapping. You may find some phones or tablets that still have it installed. If not, trying to get it installed will be difficult. Shouldn't be this difficult if Field Maps were made to work properly. By the way, there's no support for snapping on Collector for Android.

If you find Collector 20.2.2 on an Android device, you may want to save the APK file somewhere for future use. That has saved us a tremendous amount of time and given us the ability to use relationships (which will not work on Field Maps).

I am going to look into using ArcGIS Desktop on a Windows 10 or 11 tablet to support complex editing such as snapping, relationships and offline editing. External GNSS receivers may be an issue on Windows 10 / 11. A feature service from ArcGIS Server can be used for editing and display. This will not be the best user interface for editing in the field but it can probably be made to work and reliably so.