GEOG 360 - Group F

Vector Data Model

Topological

Non-Topological

Geographical Features

Interactions Between Features

Spatial Data

X and Y Coordinates

Attribute Data

Spatial Relationships

Adjacency

Connectivity

Containment

Lines

Polygons

Points

Overlapping Polygons

Overlapping Lines

Planar Enforcement

Raster Data Model

Thematic Data

Image Data

Rainfall

Population

Elevation

Remote Sensing

Terrain

LIDAR

Digital Terrain Model

Digital Elevation Model

Attributes

Continuous Data

Floating Points

Discrete Data

Categorical Data

Integer Cell Data

Value Attribute Data

ESRI Grids

Raster Compression

Run-Length Encoding

Quad Trees

Compression Techniques

Lossy

Lossless

.sid Format

.img Format

.tiff Format

.jpg Format

Map Making

Encoding Methods

On-Screen Digitizing

Scanning

Manual Encoding

Heads Up Digitizing

Georeference Databases

WGS84 UTM

NAD83 UTM

NAD27 UTM

Map Projections

Distortions

Shape

Direction

Area

Distance

Conic

Lambert Conformal Conic

Planar

Albers Equal Area

Cylindrical

Trans Mercator Projection

Spatial Data

Ratio

Interval

Ordinal

Nominal

Map Design

Scale

Theming

Feature Mapping

Dot Density

Chloropleth Maps

Thematic Maps

Visualization

Coordinate Systems

UTM

Longitude & Latitude

GNSS

Control Segment

User Segment

Satellite Segment

Almanac Data

Ephemeris Data

Augmentation with CORS

Ground Stations

PDOP

Receivers

GPS Accuracy

Keycoding

Distortions created by altitude areas

Low PDOP = More Accurate

Corrections

WAAS

Collecting multiple fixes

Differential GPS

Remote Sensing

Active Remote Sensing

Passive Remote Sensing

Collect Reflected Electromagnetic Energy

Transmissions

Aerial Photography

Electromagnetic Wavelengths

Distortions

Terrain Variation

Camera Tilt

Radial Displacement

Roll, Pitch, and Swerve

Types of Resolutions

Spatial

Spectral

Temporal

Radiometric