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Gall-Peters vs. Strebe-Hammer 29°S

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Projections markes with asterisks [*] lack silhouette and Tissot maps.
Marked with hash [#]: Additional image of projection (useful for certain comparisions).

  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 – scaled to fit

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

2. Comparison: Silhouette Map – scaled to fit

Click on projection’s name to hide it
Grey areas: Superimposition of projections
Gall-Peters Silhouette Map
Strebe-Hammer 29°S Silhouette Map

3. Comparison: Tissot Indicatrix, 30° – scaled to fit

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

4. Comparison: Physical Map – scaled to same width

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

5. Comparison: Silhouette Map – scaled to same width

Click on projection’s name to hide it
Grey areas: Superimposition of projections
Gall-Peters Silhouette Map
Strebe-Hammer 29°S Silhouette Map

6. Comparison: Tissot Indicatrix, 30° – scaled to same width

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

7. Comparison: Tissot Indicatrix, 15° – scaled to fit

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

8. Comparison: Tissot Indicatrix, 15° – scaled to same width

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

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