B. Spatial Analyst
A key benefit of GIS is the ability to apply spatial operators
to GIS data to derive new information. These tools form the
foundation for all spatial modeling and geoprocessing. The
spatial analyst of ArcGIS mainly includes overlay analysis,
neighboring region analysis and network analysis. Overlay
analysis explores relationships between layers through
weighted overlay and combinations. Neighborhood analysis
includes buffer analysis and interpolation analysis. Network
analysis includes the topology analysis and the shortest (or best)
route solution [3, 4].