Exploring Map Projections

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Presentation transcript:

Exploring Map Projections How Does Perspective and Purpose Influence the Creation of Maps? Exploring Map Projections

The Cartographer’s Challenge

The Cartographer’s Challenge

The Cartographer’s Challenge

The Cartographer’s Challenge

What gets distorted on maps? • the shapes of land and water areas

What gets distorted on maps? • the shapes of land and water areas • the relative sizes of land and water areas

What gets distorted on maps? • the shapes of land and water areas • the relative sizes of land and water areas • distances between places

What gets distorted on maps? • the shapes of land and water areas • the relative sizes of land and water areas • distances between places • angles of direction between places

Different projections reflect different distortions. Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Mercator Projection What appears accurate? Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Mercator Projection What appears accurate? Shape Direction Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Mercator Projection What appears distorted? Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Mercator Projection What appears distorted? Size Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Mercator Projection The purpose of this map: Developed in 1569 by Gerardus Mercator as a navigation tool. Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Mercator Projection: Problems Africa Compared to Greenland The North Compared to the South. The Peters Projection: An Area Accurate Map. 9 Sept 2012 <http://www.petersmap.com/page4.html>.

Mercator Projection: Problems Africa Compared to Greenland The North Compared to the South. The Peters Projection: An Area Accurate Map. 9 Sept 2012 <http://www.petersmap.com/page4.html>. Greenland: 800,000 sq. miles Africa: 11.6 million sq. miles

Mercator Projection: Problems Europe Compared to South America The North Compared to the South. The Peters Projection: An Area Accurate Map. 9 Sept 2012 <http://www.petersmap.com/page4.html>.

Mercator Projection: Problems Europe Compared to South America The North Compared to the South. The Peters Projection: An Area Accurate Map. 9 Sept 2012 <http://www.petersmap.com/page4.html>. Europe: 3.8 million sq. miles South America: 9.9 million sq. miles

Gall-Peters Projection What appears accurate? Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Gall-Peters Projection What appears accurate? Size Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Gall-Peters Projection What appears distorted? Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Gall-Peters Projection What appears distorted? Shape Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Gall-Peters Projection The purpose of this map: Developed in 1855 by Arno Peters to portray the size of the continents more accurately. Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.

Gall-Peters: Problems “The Peters map is somewhat reminiscent of wet, ragged long winter underwear hung out to dry on the Arctic Circle." - cartographer Arthur Robinson Rosenburg, Matt. Peters Projection vs. Mercator Projection. About.com. 9 Sept 2012 <http://geography.about.com/library/weekly/aa030201a.htm>.  

Robinson Projection What appears accurate? Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.

Robinson Projection What appears accurate? Shape Size Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.

Robinson Projection What appears distorted? Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.

Robinson Projection What appears distorted? Direction Land and water areas near the poles Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.

Robinson Projection The purpose of this map: Developed in 1963 by Arthur Robinson to provide a balance between size and shape. Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.

The Problem of Antarctica http://www.progonos.com/furuti/MapProj/?Normal/ProjNav/Img/21/mp2_Mercator-s60.png Copyright © 1996, 1997 Carlos A. Furuti   http://www.progonos.com/furuti/MapProj/?Normal/ProjCyl/ProjCEA/Img/21/mp2_Eq_Cyl-s75.p45.png http://www.progonos.com/furuti/MapProj/?Normal/ProjCyl/Img/21/mp2_Robinson-s75.png

The Problem of Antarctica http://www.progonos.com/furuti/MapProj/?Normal/ProjNav/Img/21/mp2_Mercator-s60.png Copyright © 1996, 1997 Carlos A. Furuti   http://www.progonos.com/furuti/MapProj/?Normal/ProjCyl/ProjCEA/Img/21/mp2_Eq_Cyl-s75.p45.png http://www.progonos.com/furuti/MapProj/?Normal/ProjCyl/Img/21/mp2_Robinson-s75.png Draw a sketch of a map that would show Antarctica more accurately.

The Problem of Antarctica World South Pole Lambert Azimuthal Equal Area Projection Map. 9 Sept 2012 <http://www.emapsworld.com/world/projection-maps/world-south-pole-lambert-azimuthal-equal-area-projection-map-black-and-white>.

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

Other Map Projections Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

What is in the center? Furuti, Carlos. Map Projections Summary. 9 Sept 2012 <http://www.progonos.com/furuti/MapProj/Normal/ProjTbl/projTbl.html>.  

What is in the center? U.S. Centered Map. 9 Sept 2012 <http://cdn5.droidmill.com/media/market-media/de.oceanApp.worldmapUS_0.png>.  

What is in the center? http://upload.wikimedia.org/wikipedia/commons/8/87/Gall-peters2.jpg

What is in the center? National and International Politics: Projecting Maps and Making Representations. Pacific Centered Map. University of Minnesota. 9 Sept 2012 <http://globalrem.umn.edu/teachingmodules/themes/national.php?entry=138713>.

What is in the center? Afro-Eurasia Centered Map. 9 Sept 2012 <http://commons.wikimedia.org/wiki/File:Israel_on_the_globe_(Afro-Eurasia_centered).svg>.

What is in the center? Snyder, John P. Chapter 6: Enlarging the Heart of a Map. Figure 6.5. 9 Sept 2012 <https://courseware.e-education.psu.edu/projection/>.  

What is in the center? McArthur’s Universal Corrective Map of the World. 9 Sept 2012 <http://www.geography.hunter.cuny.edu/~tbw/ncc/Notes/chapter2.maps/McArthur's%20Universal%20Corrective%20Map%20of%20the%20World.jpg>.

How far did the basketball travel? The Issue of Distance Mapquest How far did the basketball travel?

The Issue of Distance Mapquest

The Issue of Distance B A Mapquest

3905.3 miles How Far Did the Basketball Travel? http://nis6.blogspot.com/2015_11_08_archive.html 3905.3 miles

The Cartographer’s Challenge

The Cartographer’s Challenge

The Cartographer’s Challenge Projections Mercator Gall-Peters Robinson

The Cartographer’s Challenge Distortions Size Shape Direction Distance Projections Mercator Gall-Peters Robinson

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