1) As the Mr. Sid file was dragged from the bottom of the layers to the top in the table of
contents, a clear difference is seen in the image. Initially, various colors representing the
layers were clustered and overlapped in to the map, making it difficu
Attribute Data Input and
Attribute data describe the characteristics of
the map feature.
Attribute data are stored in tables
Each row of a table represents a map feature.
Each column represents a characteristics.
The object-oriented data model
Map Projection and Coordinate Systems
Also known as geospatial data or geographic information it is the data or information that
identifies the geographic location of features and boundaries on Earth, such as natural or
GIS: Geographic Information System
GIS is focused on integration. Bringing together our complex data and knowledge
and making it accessible.
A geographic information system (GIS) is a computer system for capturing, storing,
checking, and displaying data r
Vector Data Model
A representation of the world using points, lines, and polygons. Vector models are useful for storing
data that has discrete boundaries, such as country borders, land parcels, and streets.
Vector data consists of individual points, which
Raster Data Model
A representation of the world as a surface divided into a regular grid of cells. Raster models are
useful for storing data that varies continuously, as in an aerial photograph, a satellite image, a
surface of chemical concentrations, or
The reports that are available on this website contain wide information relating to DHMO (Di Hydrogen
Monoxide). Heavily, the reports emphasized on the negative impacts DHMO has on the environment and
public health. With regards to the environment, they p
Table for Question 1) Land use/land cover data of London, ON for the year of 1966
Urban Land Cover Change Detection: Toronto, Ontario
Geog 4440-Advanced Remote Sensing
Web CT User name: yu286551
Course Director: Tarmo Remmel
Teaching Assistant: Yicalo Araya
This paper shows t
Project #1: Closed Traverse Measurement
Purpose: The purpose of this project is to measure, determine and calculate the overall Linear
Error of Closure, Accuracy Ratio and Area of a Closed Traverse.
Specifications: Accuracy Ratio is smaller t