Research Article

Derivation of Geodesic Flow Fields and Spectrum in Digital Topographic Basins

Figure 4

(a) Marker set (in red) and mask set (in white), (b) after iterative dilations up to fourth level superposed on the mask set , and (c) the dilated marker set for four iterations intersected with mask set .
312870.fig.004a
(a)
312870.fig.004b
(b)
312870.fig.004c
(c)