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osmlab / appledata

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Data Improvements in Bermuda #9

Open aawiseman opened 7 years ago

aawiseman commented 7 years ago

Task Description

This task outlines work to improve map data in Bermuda. We plan to work on improving the road network, such as adding missing roads, fixing network issues such as missing connections or crossing roads, and other related issues. We also plan to update and correct coastline and water features as we find them, and correct and improve land use and land cover polygons where needed, such as airports, national parks, forests, colleges and universities, and so on -- remove duplicates, correct the boundaries, fix incorrect tags and other similar things.

Improvements that will be addressed include the following:

Mapping Guidelines

The team will follow OSM policy, along with any other guidelines as appropriate.

For water and coastlines, the team will follow OSM coastline guidelines, waterways policy such as water and natural=water and local policy along with any other policy as appropriate. Some coastlines are connected to administrative boundaries, in which case we will adjust both if appropriate Where we see them, we will remove the source=PGS tag, which was from an earlier coastline import that needs to be cleaned up. We received a message on the India coastlines project requesting this, and it is commonly done in other coastline improvement edits.

The team will use the imagery and data sources specified below for mapping in Bermuda.

When in doubt, the team will use the existing tags and data which are used locally. The history in JOSM (ctrl-H) identifies what previous mappers added and their notes and/or explanations regarding changes made. This history can also show if a previous mapper has visited that area or has expert knowledge or sources.

Our team uses the hashtag #adt (for Apple Data Team) for our edits.

Area of Focus

Throughout Bermuda.

Tools

The team will use JOSM for completing the task. JOSM has validation warnings for road networks and other possible issues that are important to prevent improper changes.

Sources

The team will apply image offsets as needed.

Changeset Comments

The team will provide changeset comments that are in compliance with OSM changeset guidelines.

Error Detection

The team will check for errors visually and using JOSM validation warnings prior to committing the changeset.

In addition, the team will review its work in accordance with validation guidelines such as the OSM Wiki and LearnOSM validation guidelines

Contributors

MapRoulette

We have also posted MapRoulette challenges related to the road network: https://maproulette.org/browse/projects/39172

For more information

Our community lead is Teddy Ahlvin and our editing leads are Jon Westlake and Erica Olson. To get in touch with Teddy, you can email or contact him via OSM. All of our leads can be reached via email.

OSM Wiki

muloka commented 6 years ago

This sounds awesome. Thanks for doing this!

awisemanapple commented 6 years ago

@muloka sure thing!

muloka commented 6 years ago

Will see if I can find the GIS data files for the roads.

In the meantime check this out:

Parish Boundaries

https://github.com/Bermuda-io/maps-of-bermuda/blob/master/parishes.topojson

Scrapes http://www.landvaluation.bm/

https://github.com/Bermuda-io/land-valuation-scraper

This might need some work to be updated.

Bermuda National Grid (BNG) to Lat/Lon Converter

https://github.com/Bermuda-io/BNG-to-Lat-Long

Most of Bermuda map file data use BNG, including Land Valuation. This provides a simple way of converting this data.