gis network analysis Flashcards
edge
line feature that participates in a gemetric network; a shared boundary between two features being edited using topology
junction
a point connecting two linear edges of a geometric network
geometric network
a system of linear edges and point junctions used to model the flow of commodities, such as traffic or utilities
logical network
information stored in separate tables that keeps track of relationships between elements of a network
source
location that produces or inititates the flow of a commodity through a network
sink
a location on a network that pulls or consumes the commodity flowing through the network
solver
program that analyzes flows or paths through a network
flag
a marker showing a point of interest in a network, such as a start point or endpoint for a path or a stop along a route
barrier
object that prevents flow or travel
network weights
values associated network elements that indicate the cost to traverse the element
trace
to follow an existing linear feature, as when analyzing network paths or creating a new feature that follows or is offset from an existing one