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Searching for the Best Map Projection for a World Map Centered on the Pacific Ocean

  • Journal of the Korean Cartographic Association
  • Abbr : JKCA
  • 2012, 12(1), pp.1-20
  • Publisher : The Korean Cartographic Association
  • Research Area : Social Science > Geography > Geography in general > Cartography

LEE, SANG-IL 1 Cho, Daeheon 1 Lee, Gunhak 2

1서울대학교
2전남대학교

Accredited

ABSTRACT

The main objective of the paper is to seek to find the best map projection for a world map centered on the Pacific Ocean. To accomplish this objective, some classification schemes and selection guidelines for map projections are reviewed and then such criteria as popularity, equivalence or compromise, and minimum of overall distortion are established for the search. After evaluated on the basis of the criteria, four candidates are selected: Eckert IV, Robinson, Winkel Tripel, and Miller cylindrical projections. They are extensively investigated and compared in terms of their cartographic characteristics. A survey targeting cartographically informed people is undertaken to inquire into different preferences among the projections. It is concluded from all these that Robinson projection is the best one. The relative superiority of the projection is contended to be better seen when the central meridian is set on the 150° E rather than when it is on the prime meridian. With a through review on the derivation of transformation equations for the Robinson projection, a general principle of implementing the projection is established and a procedure of designing a variable scale bar suitable for it is presented.

Citation status

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