Hello. I will answer your questions below.
1. By what extent do users consent to putting their data into OSM? We ask the users directly if they consent to adding data into OSM within the app. If they say no, it is not added. 2. "You should download existing OSM tree data, buffer by 49 feet (the math is a little more involved, but this should be a safe number to use), and delete any of your data that falls within the resulting polygon before uploading. " We can certainly do this. I can code that if any of the GPS locations of our trees are within X degrees lat long or X feet of an existing tree based on the Haversine formula, do not add to OSM. On Tue, Aug 8, 2023 at 5:56 PM Mike Thompson <miketh...@gmail.com> wrote: > > > On Tue, Aug 8, 2023 at 12:53 PM Harsha Somaya <hsomaya2...@gmail.com> > wrote: > >> The data on these trees is only added if the user consents. >> > To what exactly have these users consented? Putting their data in the > public domain? To some other license? We need more specifics. > > >> I am creating an open source app with my team. Licenses are built-in the >> app. >> > We are not talking software licenses, but the license that applies to the > data. > > >> The GPS accuracy is about 16ft and is calculated from the phone's GPS >> (phone location has to be turned on for app functionality; >> > That would be typical for a cell phone under ideal circumstances according > to this US Government site: > https://www.gps.gov/systems/gps/performance/accuracy/, but the same site > notes "However, their accuracy worsens near buildings, bridges, and > *trees*."). But let's assume that your data is accurate to +/-16 feet and > let's assume that existing OSM tree data is accurate to +/- 33 feet (10 > meters) (just an example, might be better in US). You should download > existing OSM tree data, buffer by 49 feet (the math is a little more > involved, but this should be a safe number to use), and delete any of your > data that falls within the resulting polygon before uploading. > >> >>>> -- With gratitude, Harsha [image: Colby] <https://colby.edu/> Harsha Somaya (She/her) <https://www.instagram.com/colbycollege/> [image: LinkedIn] <https://www.linkedin.com/in/harsha-somaya-16aa7b224/>
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