Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map...

Map Projections and Types of Maps

Map Projections

• Cartographers have to deal with the problem of making maps of a spherical earth onto a flat surface

– Leads to distortions

• Shape can be distorted

• Distance between two points can increase or decrease

• Relative size may be altered, areas can appear much larger than they really are

• Direction can be distorted

Robinson Projection

• More accurately shows the area near the poles

• Used to show proportions of land to water

• Distorts cardinal directions and distance

Mercator Projection

• Used primarily for navigation since it is easiest to plot direction

• Increased distortion the further away from the equator

• Makes the North look much larger

Gall-Peters Projection

• Focuses more on land area accuracy

• Released in 1974, based off a 1800 design

• More accurately shows southern hemisphere as larger than Northern Hemisphere

• Areas near the poles are stretched horizontally

Fuller Projection

Sinusoidal projection

Types of Maps - Isoline

Types of Maps - Thematic

Types of Maps - Dot

Types of Maps - Choropleth

Types of Maps – Located Charts

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Map Projections

Maps and Cartography: Map Projections · PDF fileMaps and Cartography: Map Projections A Tutorial Created by the GIS Research & Map Collection Ball State University Libraries A destination

Maps and Cartography: Map Projections · Maps and Cartography: Map Projections A Tutorial Created by the GIS Research & Map Collection Ball State University Libraries A destination

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Map Projections Problem: Project a sphere onto a flat surface. Scale Alternative projection methods Distortions Terminology of map projections Maps - Resource.

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Maps and Cartography: Map Projections

Splash Screen. GEO HB Menu Globes and Maps Projections Determining Location Reading a Map Physical Maps Political Maps Thematic Maps Geographic Information.

Three-dimensional interactive maps - COnnecting REpositories · 2013-04-10 · Three-dimensional interactive maps: Theory and practice Rafal Goralski 2 new map types and map projections,

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COMMON MAP PROJECTIONS Equal Area Projections u Property of equal area commands high priority on most maps used as small scale general reference maps and.

Maps and Projections