Figure 7From: The impact of social segregation on human mobility in developing and industrialized regionsThe procedure for calculating the strength of borders for Ivory Coast’s tribal regions. Cell tower antennas are plotted on a map of the country and colored by their respective s i value (A). A two dimensional interpolation across the entire map is then performed (B) to estimate the s i value at any point throughout the country. The pixels that subsequently lie along the tribal borders are then extracted and visualized (C).Back to article page