GEO 221: (GIS.1) Geographic Information Systems.1

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Presentation transcript:

GEO 221: (GIS.1) Geographic Information Systems.1 Mid-term Exam review Dr. Ahmad Bin Touq abintouq@uaeu.ac.ae http://faculty.uaeu.ac.ae/~abintouq GEO 221: (GIS.1) Geographic Information Systems.1

Overview Topics included in the Midterm exam Exam format Sample questions review

August, September, and October Topics Chapter (1): Introduction Chapter (2): Coordinate Systems Chapter (3): Vector Data Model Chapter (4): Raster Data Model Chapter (5): GIS Data Acquisition

Overview What is GIS? (define, explain and discuss applications What is GIS? Background and history Discuss briefly the GIS functions List five areas of GIS Applications Projections Cartographic and GIS Data Structures

Define GIS; What is it GIS GIS refer to any computerized information system that is designed to store, manipulate, retrieve, analyze, and display spatially referenced data. GIS study is a mixture of science and art. It encompasses many different disciplines and brings them all under a single umbrella.

Application of GIS; Monitoring Measuring Mapping or managing Modeling GIS Functions Application of GIS; Monitoring Measuring Mapping or managing Modeling

Define, What is a map projection Map projection parameters include standard lines (standard parallels and standard meridians), principal scale, scale factor, central lines, false easting, and false northing.

Types of Raster Data Satellite Imagery Digital Elevation Models (DEMs) Digital Orthophotos (DOQ) Land Cover Data Bi-Level Scanned Files Digital Raster Graphics (DRGs) Graphic Files GIS Software-Specific Raster Data

Sample questions review List the three types of simple features used in GIS and their geometric properties? List two differences between simple polygons and regions? Explain the advantages and disadvantages of the raster data model vs. the vector data model? What is SSURGO?

Exam Format Section A: Fill the blanks, Define, List. Section B: Explain, Describe, Discuss. Section C: Multiple-choice.

Exam Format Discuss applications of GIS? Explain and define GIS components List the major categories of GIS activities Example http://faculty.uaeu.ac.ae/myagoub/gis/_private/questions_and_answers%201%20on%20GIS.htm

Questions