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Hobo-Dyer vs. Trystan Edwards

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

  Hobo-Dyer Trystan Edwards
Creator Mick Dyer (2002) Trystan Edwards (1953)
Group Cylindric Cylindric
Property Equal-area Equal-area
Other Names
Remarks Cylindrical equal-area with standard parallels at 37°30′ (= 37.5°) north and south.
The »Hobo« part of the name is for Bob Abramms and Howard Bronstein who commissioned the map.
Cylindrical equal-area with standard parallels at 37°24′ North/South (= ±37.4°).


recommended comparisons Smyth equal-surface
Trystan Edwards
Hobo-Dyer
Smyth equal-surface
This pairing is among the list of recommended pairings – but why?
These two projections nearly identical, so you might spot the differences in direct comparision only.
Remark: On these two projections, »scaled to fit« and »scaled to same width« will be quite identical!

1. Comparison: Physical Map – scaled to fit

Hobo-Dyer
Hobo-Dyer
Trystan Edwards
Trystan Edwards

2. Comparison: Silhouette Map – scaled to fit

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Grey areas: Superimposition of projections
Hobo-Dyer Silhouette Map
Trystan Edwards Silhouette Map

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

Hobo-Dyer
Hobo-Dyer Tissot Indicatrix
Trystan Edwards
Trystan Edwards Tissot Indicatrix

4. Comparison: Physical Map – scaled to same width

Hobo-Dyer
Hobo-Dyer
Trystan Edwards
Trystan Edwards

5. Comparison: Silhouette Map – scaled to same width

Click on projection’s name to hide it
Grey areas: Superimposition of projections
Hobo-Dyer Silhouette Map
Trystan Edwards Silhouette Map

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

Hobo-Dyer
Hobo-Dyer Tissot Indicatrix
Trystan Edwards
Trystan Edwards Tissot Indicatrix

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

Hobo-Dyer
Hobo-Dyer Tissot Indicatrix
Trystan Edwards
Trystan Edwards Tissot Indicatrix

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

Hobo-Dyer
Hobo-Dyer Tissot Indicatrix
Trystan Edwards
Trystan Edwards Tissot Indicatrix
 

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