Clifford Snow
Clifford is described as an OpenStreetMap Supper Mapper. He started contributing to OSM in May 2011. Hosts OpenStreetMap-Central-Salish-Sea Meetup Group located in Mount Vernon, WA. He help organize the 2016 State of the Map US in Seattle. His prior endeavors include glassblowing, managing an art center facility and telecom management.
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All Posts
2019
Detailed instructions on how to map sidewalks, curbs, crosswalks, etc. in iD for pedestrian routing
Detailed instructions on how to map sidewalks, curbs, crosswalks, etc. for pedestrian routing
2018
Steps to convert an existing table to a declarative partition in Postgresql 10
This article explores my learning how to create a background layer in Mapbox for use in JOSM.
2016
trails in rasar state park
Lessons Learned from running Mapathons for Missing Maps
2015
A county by county look at the availability of open gis data.
Response to my questions
Applescript Code for a JOSM prompt
Walking in Mount Vernon
2014
Latest test for duplicate addresses
Recap of 10th Anniversary Celebration in Seattle
Easy way to server tiles locally
The FAA doesn't want you to fly your drone within 3 miles of an airport
Using Open Source Tools to Find Differences in Road Data
You can now protect your password over the internet
It is way too easy to create duplicate addresses in OSM with existing editor
It was pointed out that Seattle has a number of duplicate addresses in OSM. Running a query in overpass convinced me ...
It was pointed out that Seattle has a number of duplicate addresses in OSM. Running a query in overpass convinced me ...