#2015 - Missing Maps: Hadjer Lamis villages, Chad (buildings and residential road networks) (Archived)

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This project was archived.

  • Author: Missing Maps
  • Requesting Organization: MSF

The Hadjer Lamis area of Chad is very poor, and there is an unusual burden of disease and malnutrition among the people who live there, which contributes to high mortality in children under five years old. In order to better understand, assess, and respond to this, we need to know more about the population.

MSF teams are mapping villages and taking their names on the ground, but identifying all of the inhabited areas and counting the structures is much more efficient from aerial photos. Knowing where all of the villages are scattered through the savanna helps us to map them, and counting the buildings within each village gives us a quick and fairly accurate method to estimate population. This is important to help MSF understand the spread of disease and identify areas of highest need.

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 pedrito1414 - Updated - Priority: low


Entities to Map
Buildings and residential road networks
Changeset Comment
Hadjer-Lamis, Chad #MissingMaps #hotosm-project-2015 Mapping #buildings and #localroads
When saving your work, please leave the default comment but add what you actually mapped, for example "added buildings and a residential road".

Have a look at this OSM diary before you start - it gives insight into how villages and buildings in Hadjer Lamis appear on the ground and will help you with your mapping!

Please use the Bing imagery provided.

Trace and tag buildings and residential roads (roads within towns and villages) If the village has already been mapped, please mark it as done and leave a comment explaining that it was already mapped.


Buildings are generally round huts and should be tagged as Building in iD and building=yes in JOSM.

There are keyboard shortcuts for tracing circular shapes in iD (the O key) and JOSM (also the O key).

Residential roads:

Trace roads within the village or town and tag as Residential road in iD / highway=residential.in JOSM.

See Highway Africa Tag page for more general advice on tagging roads.

Please do not delete any other data from this area if you do not know what it is.

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