#1981 - Missing Maps: Mzuzu, Malawi

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The Missing Maps project aims to map the most vulnerable places in the world (affected by humanitarian crises: disease epidemics, conflict, natural disasters, poverty, environmental crises). Building on HOT's disaster preparedness projects, the Missing Maps tasks facilitate pre-emptive mapping of priority countries to better facilitate disaster response, medical activities and resource allocation when crises occur.

Created by Maarten van der Veen - Updated - Priority: medium

  Instructions

Entities to Map
Residential roads and buildings
Changeset Comment
#hotosm-project-1981 #missingmaps #redcross #rodekruis #internationaldepartment
When saving your work, please leave the default comment but add what you actually mapped, for example "added buildings and a residential road".

Please click on a square to start mapping. Also read the task instructions on how to map roads and buildings.

Task

Simply trace the outline of all buildings. A building should be tagged as a Building of type Building (because we don't know the exact function of that building from satellite imagery). Make sure you SQUARE (shortcut key = 'S' in iD editor) the corners of square/rectangular buildings.

Trace any missing roads within the city. A road within the city should be tagged as Residential road.

Cloud cover

There is some cloud cover on the bing aerial imagery. Please trace whatever is possible. If you cannot finish the tile due to cloud coverage, then save your changes, mention 'cloud coverage' in the comment when you save the task,and mark the task as done.

Validation

We kindly request advanced mappers and validators to contribute to validating the work of others. This task can only be completed when all tiles have been marked as validated (green). To validate, choose a tile marked 'done' (orange) and click 'review the work'. Open it in JOSM or the ID-editor. Correct any errors such as:

  • Map missing roads and buildings.

  • Correct buildings. Some buildings are not properly drawn. See if you can correct them to match the shape of the building on the satellite imagery. If a building is not squared but should be, apply squaring to the buildings (this is most easily done in JOSM where all buildings can be selected and squared with one click.

  • Correct roads. Some roads will be misaligned or just misinterpreted.

If you finish validating a tile. Save your changes, mark it as validated in the HOT tasking manager, and leave a comment to the original contributors i.e.: 'thank you for mapping all these buildings and roads. We made a few corrections. Please consider squaring the buildings in your future work, and make sure that you don't miss any'

Further tagging resources

Please see the video's on www.missingmaps.org/contribute

  Start contributing

Contributors Done Assigned