#2470 - Missing Maps: Kanyama, Lusaka, Zambia - Cholera Crisis - Buildings Only (Archived)

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This project was archived.

In Lusaka, around 1.2 million people live in overcrowded ‘informal settlements’ that are at risk of cholera each rainy season. In 2016, the rainy season was delayed, causing boreholes to dry up and forcing the population to use unprotected shallow wells. When the rains came, floodwaters mixed with overfull pit latrines, creating rivers and lakes of contaminated water that people were forced to wade through. This created the ideal environment for cholera and a significant outbreak did occur.

This project supports the local OSM community working with a multiple NGOs response to the cholera crisis and the Lusaka civil authorities efforts to bring improved sanitation services to the people of Lusaka.

Created by bgirardot - Updated - Priority: low

  Instructions

Entities to Map
Buildings only
Changeset Comment
#hotosm-project-2470 #missingmaps #osmzambia #cholera Mapping buildings in informal settlement area.
When saving your work, please leave the default comment but add what you actually mapped, for example "added buildings and a residential road".

Project Specific Mapping Notes

  • USE MAPBOX IMAGERY - This imagery is slightly lower resolution than Bing, but more recent. You can use both, the alignments are very very close.
  • Map buildings that are on the edge of your task square, part in your square and part outside your square.
  • Try and select a task square with no one working next to you.
  • Map buildings with no roof as regular buildings
  • Buildings are very close, some share walls. Zoom in to keep the buildings separate, except for the ones that do actually share walls.
  • Some task squares are more difficult than others, just use the "stop mapping" button and select another task square if it is too difficult.

Buildings

  • Please accurately outline all the buildings you can find. The outline should be for the full size of the building even if it is partly covered by trees in the imagery.
  • After drawing the outline, use the 's' key in the iD web editor to "square" the corners.
  • Many buildings are very close, but do not actually touch each other, try to map them close to each other without letting them connect or share nodes with each other, roads or residential area outlines. In the iD web editor, holding down the "alt" key will keep nodes of "snapping" to each other and accidentally connecting.
  • In the iD web editor, the first time you map a building you will use the "Building Features" category and then at the top of the list select "Building" again, this is the most generic building tag we can use as we almost never can tell the more specific use of any building from imagery alone.

  Start contributing

Contributors Done Assigned