Map projections

Tobias Jung – URL: https://map-projections.net

Comparison: Hobo-Dyer vs. Smyth equal-surface

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Projection No. 2:

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Projection Informations


Creator
Hobo-Dyer	Mick Dyer (2002)
Smyth equal-surface	Charles Piazzi Smyth (1870)
Group
Hobo-Dyer	Cylindric
Smyth equal-surface	Cylindric
Property
Hobo-Dyer	Equal-area
Smyth equal-surface	Equal-area
Other Names
Hobo-Dyer	—
Smyth equal-surface	Craster rectangular
Remarks
Hobo-Dyer	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.
Smyth equal-surface	Cylindrical equal-area with standard parallels at 37°04′17″ north and south (= ±37,07139°).
recommended comparisons
Hobo-Dyer	Smyth equal-surface Trystan Edwards
Smyth equal-surface	Hobo-Dyer Trystan Edwards
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.

	Hobo-Dyer	Smyth equal-surface
Creator	Mick Dyer (2002)	Charles Piazzi Smyth (1870)
Group	Cylindric	Cylindric
Property	Equal-area	Equal-area
Other Names	—	Craster rectangular
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°04′17″ north and south (= ±37,07139°).
recommended comparisons	Smyth equal-surface Trystan Edwards	Hobo-Dyer Trystan Edwards
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

Smyth equal-surface

Smyth equal-surface

Hobo-Dyer

CC BY-SA

Tobias Jung Smyth equal-surface CC BY-SA

CC BY-SA

2. Comparison: Political Map – scaled to fit

Hobo-Dyer

Hobo-Dyer

Smyth equal-surface

Smyth equal-surface

Hobo-Dyer

CC BY-SA

Tobias Jung Smyth equal-surface CC BY-SA

CC BY-SA

3. Comparison: Silhouette Map – scaled to fit

Click on projection’s name to hide it
Grey areas: Superimposition of projections

Hobo-Dyer Silhouette Map

Smyth equal-surface Silhouette Map

Hobo-Dyer Silhouette Map CC BY-SA

CC BY-SA

Tobias Jung Smyth equal-surface Silhouette Map CC BY-SA

CC BY-SA

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

Hobo-Dyer

Hobo-Dyer Tissot Indicatrix

Smyth equal-surface

Smyth equal-surface Tissot Indicatrix

Hobo-Dyer Tissot Indicatrix CC BY-SA

CC BY-SA

Tobias Jung Smyth equal-surface Tissot Indicatrix CC BY-SA

CC BY-SA

5. Comparison: Physical Map – scaled to same width

Hobo-Dyer

Hobo-Dyer

Smyth equal-surface

Smyth equal-surface

Hobo-Dyer

CC BY-SA

Tobias Jung Smyth equal-surface CC BY-SA

CC BY-SA

6. Comparison: Political Map – scaled to same width

Hobo-Dyer

Hobo-Dyer

Smyth equal-surface

Smyth equal-surface

Hobo-Dyer

CC BY-SA

Tobias Jung Smyth equal-surface CC BY-SA

CC BY-SA

7. Comparison: Silhouette Map – scaled to same width

Click on projection’s name to hide it
Grey areas: Superimposition of projections

Hobo-Dyer Silhouette Map

Smyth equal-surface Silhouette Map

Hobo-Dyer Silhouette Map CC BY-SA

CC BY-SA

Tobias Jung Smyth equal-surface Silhouette Map CC BY-SA

CC BY-SA

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

Hobo-Dyer

Hobo-Dyer Tissot Indicatrix

Smyth equal-surface

Smyth equal-surface Tissot Indicatrix

Hobo-Dyer Tissot Indicatrix CC BY-SA

CC BY-SA

Tobias Jung Smyth equal-surface Tissot Indicatrix CC BY-SA

CC BY-SA

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

Hobo-Dyer

Hobo-Dyer Tissot Indicatrix

Smyth equal-surface

Smyth equal-surface Tissot Indicatrix

Hobo-Dyer Tissot Indicatrix CC BY-SA

CC BY-SA

Tobias Jung Smyth equal-surface Tissot Indicatrix CC BY-SA

CC BY-SA

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

Hobo-Dyer

Hobo-Dyer Tissot Indicatrix

Smyth equal-surface

Smyth equal-surface Tissot Indicatrix

Hobo-Dyer Tissot Indicatrix CC BY-SA

CC BY-SA

Tobias Jung Smyth equal-surface Tissot Indicatrix CC BY-SA

CC BY-SA