ERE450/550

Vocabulary and Concept List – Not in any order of importance and not necessarily 100% complete

GIS, GIT, GPS acronyms

GIS – Definition

Maps and Tables, Spatial and Attribute

Difference between GIS and only maps or only databases

Components of GIS – what makes up a GIS

Layers concept

Where is what and what is where

GIS is just a tool – Garbage in Garbage out, people define problems dictate science, human values

Sources of error and inaccuracy in GIS

The GIS process

Metadata

Most expensive step in GIS process is data management and acquisition

Tuple, row, record

Field, attribute, column, item

Domains

Relations

Boolean Logic and SQL

Entity

Key

Quantitative vs. Qualitative

Discrete vs. Continuous

Surface or field vs feature or discrete object

Binary, Interval, Ratio, Ordinal, Cyclical, Nominal variable/data types

Digital vs Analog

Projections

Developable surface

Distortion from projection

Datums, horizontal and vertical

Spheriod, ellipsoid, geoid

Coordinate systems

Scale and Resolution

Registration and Rectification

Vector vs. Raster data models

Object oriented model

Map types and Cartography

Generalization, symbolization, visualization

Compass work

Contours, Isolines, Isopleths, Choropleths

Data acquisition primary vs. secondary

GPS 4 satellites, 1 ground station, 4 variables x, y, z, time

Topology

Spatial Relationships

Morans I

Analysis methods

Spatial modeling

Ground Truth

Legal aspects of GIS