Color Figures from Geographical Information Systems, Second Edition

Plate 48 Use of GIS to locate cellular transmitters based on signal interference. ( 49 of 67)	Plate 49 A screen shot from ArcView GIS 3.0 showing dynamic segmentation of railroads (reproduced by permission of ESRI). ( 50 of 67)	Plate 50 A screen shot from Caliper Corporation’s TransCAD package showing the rich functionality of a fully-fledged GIS-T program (reproduced by permission of Caliper Corporation). ( 51 of 67)	Plate 51 An evacuation vulnerability map for the Santa Barbara, California vicinity. ( 52 of 67)
Plate 52 The Goleta, Santa Barbara, California area. Note the areas in red with a relatively high ratio (500+) of residents to exiting lanes in the worst case evacuation. ( 53 of 67)	Plate 53 Downtown Santa Barbara, California. Note the neighbourhood in red which is sandwiched between a six-lane freeway and a steep hillslope (not shown) leaving only four available exits. ( 54 of 67)	Plate 54 The green link in the lower panel is a currently proposed road project in Goleta, Santa Barbara, California. Note how it lowers the spatial evacuation vulnerability of the two neighbourhoods providing them each with a new exit. ( 55 of 67)	Plate 55 Example output from a GIS-based terrain visualisation system. Threat Envelope Visible Terrain Weapon Platforms Dead Ground ( 56 of 67)
Plate 56 Assessing emergency medical service accessibility in Norfolk, UK. Black represents an estimated journey time of less than five minutes, whereas green shows an estimated time of up to 55 minutes. ( 57 of 67)	Plate 57 Sample electoral district of Windrayne, New South Wales, produced using Electoral Distribution and Mapping System (EDAMS). (Copyright: NSW Department of Land and Water Conservation 1997) ( 58 of 67)	Plate 58 Three-minute (5-km) resolution DEM for Africa: shaded relief and elevation. ( 59 of 67)	Plate 59 Three-minute (5-km) resolution DEM for Africa: derived stream network. ( 60 of 67)