Proximity Analysis Using PostGIS: Mapping Healthcare Accessibility in Lagos
Emeka James Onele (Nigeria)
ABSTRACT This study presents a spatial proximity analysis of pharmacy and Medical stores in the Ebute Metta area of Lagos using PostgreSQL with PostGIS extension. The location of all pharmacy stores in the area were mapped out and their accessibility to residential neighborhoods was studied. Geospatial queries, buffer analysis, and proximity calculations were applied to this study, underserved zones were identified with limited access to pharmaceutical services. The outcome of this study...