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DUGA

Mapper since:
December 23, 2019
Last map edit:
July 28, 2025
Long term checklist (5~10 years):
  1. Adirondacks
  2. Catskills
2024-2025 checklist:

(UPDATE 2025/01: Need to run on-site survey due to heavy vegetation)

Plan: Luzerne County PA TIGER cleanup, ensure 100% correct on street name, legal boundaries, functional classification and traffic signal.

Additional plan: Review Sullivan County recent cleanups

2022-2023 checklist:

(UPDATE 2024/11: Finished successfully and waterways are being added occasionally)

Plan: Susquehanna County PA TIGER cleanup, ensure 100% correct on street name, legal boundaries, functional classification and traffic signal.

MVP: Water bodies + Trails

Out of scope: Addess points


I live in Pennsylvania. I audit edits mainly at east coast of the USA (including restricted areas), you may see me anywhere around the world but don’t expect any greetings. In fact, if you are an armchair mapper, you will receive harsh response when putting nonsense to the map. I have RTK equipments and possess amateur understanding of GIS. I help OSM Data working group to hunt troublemakers.

My maintain interests are key infrastructures within PA/WV/MD/DE/NC/NY/CT, I have no interests mapping how many trees in your backyard, please keep doing it if you could find yourself any value in the society.

If you believe OSM can 100% replicate the reality, tell me what kind of drugs you are on so I can prescribe through my doctor. If you try to map with such a philosophy in mind, I can recommend you few psychiatrics taking good insurance.

Stop using mailing list and IRC, they sound pedantic and so do you.

Do not add features from 100 years ago as abandoned (like who gives a shit?), unless you live in a graveyard. Pissed? Go to OpenHistoricalMap and dump there.

HDYC

Regarding my Cosmetic changes:

You may have seen that many of my changes do look like that. Yes, they are really cosmetic by:

  1. Realign
  2. No name change either for street or for water
  3. Add a traffic light, delete extra nodes (rarely happens since realign requires more nodes actually), upgrade tags…
  4. Add layers

Sometimes even 1 changeset can contain 300-500 changes, but none of them are really of importance. All these cosmetic changes are the prerequisite of future Major changes that:

  1. Mass cleanup of obsolete tags (NHD + TIGER)
  2. Street name verification (TIGER)
  3. Imagery validation (Vandalism)
  4. Retag Functional Classification
  5. Catch up with reality (Are you still at 2007?)
  6. Or Make OSM Great Again?

And most such changes will have better comments, feel free to blame me if I could not write a paragraph.

Do not ask me again “can you have better comments” because I do leave non-generic comments when something is not cosmetic but requiring attention, like rework an overpass, repair a ramp of an interstate or when I’m on phone using Go Map! while driving.

Writing software/algorithm/UI won’t improve the map, only data is the king. OSM is a database. Don’t try to get me impressed by those craps, IDGAF.

Latest Diaries

Diary Entry Suspicious mapper(s) churning changesets around Erie Pennsylvania

Maybe someone is trying to steal the name here by deleting and readding things at the same time. They have similar profile descriptions almost can ...

Comments 1 comment Date October 29, 2021

Diary Entry Do not map like this (a collection of incorrect mapping practices)

This entry will be constantly updated based on my findings in USA. Please be advised that a correct solution depicted below is not the only one. Y...

Comments 46 comments Date October 14, 2021

Diary Entry Aerial imagery offset comparison (Harford County, MD USA)

People should be wary of the imagery offset especially using high resolution products. In OpenStreetMap, Mapbox often provides high resolution imag...

Comments 1 comment Date October 09, 2021

Diary Entry Changeset comment clarification

Cosmetics changes Usually happen when the changes are mostly related to cosmetic features, like road realign, water features realign, tag upgr...

Comments 3 comments Date May 02, 2021