midterm review- vector analysis Flashcards
Querying is the _ _ and _ of information from a database
selective display
retrieval
Structured Query Language is a _ _ designed for the _ and _ of data in RDBMS
programming language
retrieval
management
T or F
Attribute-based queries can answer geographic questions
F
T or F
buffering is possible for both raster and vector formats
T
the 2 aspects of vector overlay are:
Geometric
Attribute management
What type of overlay would be used to find what train tracks are within the Waterloo region?
Line-on-polygon overlay
T or F
for polygon on polygon overlay, the # of output areas will likely be greater than # of input areas
T
T or F
Spurious polygons are accidental smaller polygons created when overlaying different versions of the same line
T
Network analysis use _ relationships to represent and analyse _ along a set of _ paths
topological
flows
interconnected
The 3 components of network models are?
nodes
chains
links
Network routing is the _ _ between 2 points.
_ _ trace flow of goods, people, information through a network
shortest path
route tracing
if you are a manager trying to open a restaurant, which type of network analysis would you do?
Network location-allocation
_ _ _ estimates interpolated cell values by averaging values of sample data points in the neighborhood of each processing cell
inverse distance weighting
what are the 2 approaches to modelling continuous phenomena within the vector data model?
sample real world surface
represent field-based surface using vector objects
the _ _ _ construct an elevation surface from a set of irregularly spaced data points.
triangulated irregular network (TIN)
