Lecture 03: Data Representation (I)

Slides:

Advertisements

Similar presentations

Coordinate systems and projections

Advertisements

1 Spatial Data What is Geographic Spatial Data? What are its Properties TWiST.

Datum & Coordinate Systems

Map Projections & Coordinate Systems

Applied Cartography and Introduction to GIS GEOG 2017 EL

Alternate coordinate systems: Solutions for large-scale maps

GUS: 0262 Fundamentals of GIS Lecture Presentation 2: Cartography in a Nutshell Jeremy Mennis Department of Geography and Urban Studies Temple University.

Location Reference Systems

GIS Brownbag Series Part 3: Georeferencing and Projections Or… Why does my data not line up?

Projections and Coordinate Systems, Continued

Map projections CS 128/ES Lecture 3a.

Geographic Information Systems

Geographic Coordinate System

GPS for ICS Using Maps with GPS Using Maps with GPS.

Coordinate systems.

What is a coordinate system and why is it so important?

Intro. To GIS Pre-lab 2 February 11 th, Geographic Coordinates Geographic coordinates are the earth's latitude and longitude system, ranging from.

Projections and Coordinate Systems Chapter 2. ArcView  Structure Project View Theme Feature  Project (.apr) ASCII text Location dependent!!!

Themes and Elements of Geography

Map Projections GIS-101 Summer 2006 Semester. Important Things to Remember about Map Projections An attempt to take location information from a spheriod.

Introduction to Cartography GEOG 2016 E Lecture-3 Scale, Reference and Coordinate Systems.

Coordinate Systems in Geodesy By K.V.Ramana Murty, O. S.

GEOREFERENCING SYSTEMS

MAP SCALE Scale varies across all maps  Pattern of scale distortion depends on map projection  Scale along line/point of SF = 1 (reference globe vs flat.

The graticule is made up of vertical lines, called lines of longitude, and horizontal lines, called lines of latitude. Because the earth is spherical,

Geographic Information Systems Coordinate Systems.

Basic Coordinate Systems Grid Systems RG 620 May 09, 2013 Institute of Space Technology, Karachi RG 620 May 09, 2013 Institute of Space Technology, Karachi.

Spatial Concepts Mathematical Types of Space –Euclidean –Network –Metric –Topologic.

Lecture 04 Referencing Data to Real Locations

Map Projection Theory and Usage.

Map Projections in the Antarctic GMAT Geometry of Coordinate Reference Systems Tom McDonald

Location How do you describe where you are?. Relative Location Explaining where something is in relation to something else.

GEOG 2007A An Introduction to Geographic Information SystemsFall, 2004 C. Earl A model is a ‘synthesis of data’ + information about how the data interact.

Tipe-tipe Spesifik and Sistem Koordinat © 2005, Austin Troy.

Map Projections Goal: translate places on the Earth (3D) to Cartesian coordinates (2D)

Locating Positions on the Earth’s Surface

Representing Geography. Datum Defines the size, shape, and orientation of Earth Provides.. – Origin: starting place that allows coordinates to be meaningful.

Basic Coordinate Systems Grid System RG 620 May 23, 2014 Institute of Space Technology, Karachi Grid System RG 620 May 23, 2014 Institute of Space Technology,

Location on surface, portrayal, scale and more!!!!!

Chapter 3- Coordinate systems A coordinate system is a grid used to identify locations on a page or screen that are equivalent to grid locations on the.

Mapping Earthquakes Scripps Classroom Connection USGS real time earthquake map Question of the day: where do most earthquakes occur?

Review of Projections and Coordinate Systems

Coordinates. Space is important How can we represent this space numerically? 2D and 3D.

COORDINATE SYSTEMS IN GIS As GIS is based on geographic location you need to understand basics of Coordinate Systems: Geographic and Projected Coordinate.

Spatial Referencing.

Georeferencing Ming-Chun Lee.

Project 1: Coordinates and Projections

Local Cartesian Coordinate Systems

All maps have distortions!

Lecture 07: Coordinate Transformation I

UTM and State Plane.

Harry Williams, Cartography

Map Projections.

Coordinate systems.

Coordinate Reference Systems

Maps My favorite topic .

How do you describe where you are?

پارامترهای پروژه های مکانی (نقشه)

Survey of Archaeological Resources

Datums and Coordinate Systems

GIS Lecture: Projections

Lecture 07: Data Representation (V)

Chapter 1 Section 1 Review

Lecture 09: Data Representation (VII)

Map Projections.

Lecture 04: Data Representation (II)

Lecture 08: Data Representation (VI)

Chapter 7 Transformations.

Lecture 02: The Nature of Geographic Information

Presentation transcript:

Lecture 03: Data Representation (I) (Coverage Diagram) Topics 1. Measurement Systems: Location: Coordinate Systems Readings on the topics Chapter 5 in the text Other readings Chapter 4 in Bonham-Carter’s (1994), pp. 87-95 Chapter 1 & 2 in Maling’s (1992), pp. 1-46

Lecture 03: Data Representation (I) 1. Measurement Systems: 1.1 Spatial Location: Coordinate Systems A. 3D Coordinate Systems: Geographical Coordinate System [Geographic Coordinate System Figure] B. 2D Coordinate Systems: (Plane Coordinate Systems) [The Plane Coordinate System Figure] B.1 Continuous Coordinate Systems: B.1.1 Cartesian coordinate systems: (local coordinate systems) [The Cartesian Coordinate System Figure]

B.1.2 Projected geographic coordinate systems: [Projected geographic coordinate system Figure] B.1.2.1 Universal Transverse Mercator (UTM) Grid System a) The Transverse Mercator Projection [Mercator Projection Figure] [Transverse Mercator Projection Figure] b) UTM: (1) The design [UTM Zone Figure] (2) Calculation of UTM Zone of Locations: ZUTM = (180-longitude)/6

(3) Defining the coordinate systems: [UTM Coordinate System Figure] (4) Characteristics: Distortion (84 North ~ 80 South) Plane surface Universal B.1.2.2 Universal Polar Stereographic (UPS) Grid System a) Polar Stereographic Projection [Stereographic Projection Idea Figure] [Stereographic Projection Map Figure] b) UPS: (1) Design: [UPS Coordinate Systems Figure] (2) Characteristics

B.2 Discrete Coordinate Systems: B.2.1 US Public Land Survey System (PLSS) [The PLSS Figure] Characteristics: (1) a series of origins were defined. (2) basic unit is acre or an area unit A section is 640 acres (3) defined on ground, not a grid and superimposed on a map B.2.2 Addresses B.2.3 Zip codes

Questions 1. What is a geographic coordinate system? What is the main difference between geographic coordinate system and project geographic coordinate system? 2. What is a plane coordinate system? What is the major difference between a plane coordinate system and a Cartesian coordinate system? 3. What is the major difference between a local Cartesian coordinate system and a projected geographic coordinate system? 4. Describe the design of the UTM coordinate system. Compute the UTM for Madison. 5. What is a discrete coordinate system?