Chad remote mapping guide

Introduction

Médecins Sans Frontières (MSF) has created numerous mapping campaigns in Chad on the HOT Tasking Manager. The mapping guide provides tips and hints for remote mapping in Chad.

N’Djamena, Chad

Buildings under construction in N'Djamena, Chad

N’Djamena is situated on the Chari River and a lot of the mapping is in response to, or in anticipation of, flooding.

• 
  Flooding near buildings
• 
  Water in the street
• 
  Overspilled banks
• 
  N’Djamena seen from the air.

Ouaddaï Province, Chad

Round buildings and square/rectangular buildings are present in the province.

Photograph	Satellite image
A round building	Satellite image of round buildings in Ouaddaï Province
Buildings with metal roofs	A village with buildings with metal roofs
Family houses near Massykory	A village with mixed building types

Urban areas have fewer round buildings than rural areas.

Rural	Urban

Distinguishing a hut from trees, bushes

Not every round structure is a building. Huts have a raised point in the middle and can have a distinct curved shadow. Trees and bushes have more ragged shadows. Look closely to see if there are paths or roads, or any surrounding fences, that would indicate a residential area.

Some fenced areas will not have a building in them; these may be animal enclosures.