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The Map is not the Territory Daniel W. Blackmon. Source for Images ormal/TOC/cartTOC.html.

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Presentation on theme: "The Map is not the Territory Daniel W. Blackmon. Source for Images ormal/TOC/cartTOC.html."— Presentation transcript:

1 The Map is not the Territory Daniel W. Blackmon

2 Source for Images http://www.progonos.com/furuti/MapProj/N ormal/TOC/cartTOC.html

3 Useful Map Properties Preserving distances (equidistant) geodesics (great circles) preserving directions

4 Useful Map Properties preserving shape (conformality) preserving area (equivalence) general distortion pattern

5 Useful Map Properties general distortion pattern(Tissot indicatrices) the angular deformation pattern

6 How projections are created, including the mathematics for Azimuthal orthographic Stereographic cylindrical Sinusoidal (Sanson-Flamsteed)

7 How projections are created, including the mathematics for Mollweide Polar / ecuatorial azimuthal equidistant / equal area Aitof, Hammer and Winkel Tripel

8 Mercator’s Projection

9 Rhumb line in blue Geodesic line in red

10 Azimuthal Equidistant

11 Equitorial Sanson-Flamstead

12 Hobo Dyer Equal Area

13 Peters Equal Area

14 Werner’s Corniform

15 Oblique Azimuthal (preserves radial distances)

16 Normal Mollweide

17 Re-Scaled Mollweide


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