Ensure that surveyors are within a certain radius of a given point

[chrissyhroberts]

Hi @Nasser,

If you are familiar with geospatial shapefiles, you may also want to consider using the approach to geofencing that I described in a recent post...

Geofencing in ODK forms

ODK Geofencing This is a new method for geofencing GPS data in ODK, KoBoToolbox, Ona, Survey CTO & CommCare. To reproduce the work, you'll need some limited knowledge of how to use R and of how to design and use XLSforms. Everything here, plus example forms and scripts are available on this github repo. Geofencing is a process where geographical features, traces or shape-files are used as boundaries against which other geographical data are compared or tested. The image below gives a basic ide…