1
Q
what are the two components to spatial data
A
coordinates and attributes
2
Q
what are two types of attributes
A
spatial and non spatial
3
Q
attribute definition
A
what something is in space
4
Q
what are the two types of models
A
vector and raster
4
Q
vector models
A
models using co ordinates via dots, lines and polygons
4
Q
raster models
A
models using pixels
5
Q
use of raster models
A
continuous phenomena
6
Q
use of vector models
A
discrete data
7
Q
what 4 components is GIS made of
A
hardware, sofrware, people and organisational protocols
8
Q
openGIS
A
a set of standards allowing cross platform and cross software data sharing
9
Q
metadata
A
data about data
