Proyecciones

ArcGIS 9
®

Understanding Map Projections

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Contents
CHAPTER 1: GEOGRAPHIC COORDINATE SYSTEMS ......................... 1

Geographic coordinate systems.................................................................................... 2 Spheroids and spheres .................................................................................................. 4 Datums ....................................................................................................................... 6 North American datums.............................................................................................. 7
CHAPTER 2: PROJECTED COORDINATE SYSTEMS ............................ 9

Projected coordinate systems ..................................................................................... 10 What is a map projection? .......................................................................................... 11 Projection types........................................................................................................ 13 Other projections ...................................................................................................... 19 Projection parameters ................................................................................................ 20
CHAPTER 3: GEOGRAPHICTRANSFORMATIONS ............................. 23

Geographic transformationmethods .......................................................................... 24 Equation-based methods ........................................................................................... 25 Grid-based methods .................................................................................................. 27
CHAPTER 4: SUPPORTED MAP PROJECTIONS ................................. 29List of supported map projections ............................................................................. 30 Aitoff ....................................................................................................................... 34 Alaska Grid ............................................................................................................... 35 Alaska Series E...