Z-values
computer-aided drafting
methods
Data modeling is the logical construction of an abstraction of information to represent data in an application, communication protocol, or database. This entry gives a general overview of this process, with discussions of the special concerns that arise in today's geographic information implementation environments. [Source: Encyclopedia of Geographic Information Science; Data Modeling]
data modeling
data structures
database management systems
digital elevation model
discrete versus continuous phenomena
elevation
extensible markup language
geographic information science
geometric primitives
integrity constraints
layer
linear referencing
network data structures
object orientation
open standards
raster
scalable vector graphics
spatial database
spatial index
spatiotemporal data models
structured query language
tessellation
three-dimensional GIS
topology
triangulated irregular networks
virtual reality modeling language