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Gall-Peters vs. Strebe-Hammer 29°S

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Projection No. 1:

Projection No. 2:

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  Gall-Peters Strebe-Hammer 29°S
Creator James Gall / Arno Peters (1852 / 1967) Daniel »daan« Strebe (1992)
Group Cylindric Lenticular
Property Equal-area Equal-area
Other Names
  • Gall Orthographic
  • Peters projection
Remarks Original design by James Gall, independently developed again by Arno Peters in 1967 and presented to the public in 1973. Transformation of the Hammer projection, using Bonne φ1 = 29°S.
Read my blogpost for more information.
recommended comparisons Strebe-Hammer 29°S Gall-Peters
This pairing is among the list of recommended pairings – but why?
Two equal-area projections that have almost the same aspect ratio, but a totally different distribution of distortions.

1. Comparison: Physical Map

Strebe-Hammer 29°S
Strebe-Hammer 29°S

2. Comparison: Political Map

Strebe-Hammer 29°S
Strebe-Hammer 29°S

3. Comparison: Silhouette Map

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Grey areas: Superimposition of projections
Gall-Peters Silhouette Map
Strebe-Hammer 29°S Silhouette Map

4. Comparison: Tissot Indicatrix, 30°

Gall-Peters Tissot Indicatrix
Strebe-Hammer 29°S
Strebe-Hammer 29°S Tissot Indicatrix

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