Map projections

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

Comparison: F13 Copycat vs. Frančula XIII

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Projection Informations


Creator
F13 Copycat	Karlheinz Wagner, Tobias Jung (1941 / 2020)
Frančula XIII	Nedjeljko Frančula (1971)
Group
F13 Copycat	Lenticular
Frančula XIII	Lenticular
Property
F13 Copycat	Compromise
Frančula XIII	Compromise
Other Names
F13 Copycat	Wagner vii@60-77-60-45-170
Frančula XIII	—
Remarks
F13 Copycat	Wagner VII variant, configuration 60-77-60-45-170 (using the Böhm notation, see Umbeziffern – The Wagner Transformation Method. Experimental, a Frančula XIII copycat, with bit less areal inflation. Briefly introduced in my blog.
Frančula XIII	A Wanger IX variant, derived by Umbeziffern from the equatorial azimuthal equidistant projection, minimized distortion by application of the Airy-Kavrayskiy criterion. For more information, refer to my blogpost The Frančula Projections or Frančula’s original paper Die vorteilhaftesten Abbildungen in der Atlaskartographie (German).
recommended comparisons
F13 Copycat	Frančula XIII
Frančula XIII	Canters-Frančula F13 Copycat Gott-Wagner
This pairing is among the list of recommended pairings – but why? The F13 Copycat deliberately approaches certain properties of the Frančula XIII (aspect ratio, length and curvature of the pole line) but the distribution of meridians and parallels is different.

	F13 Copycat	Frančula XIII
Creator	Karlheinz Wagner, Tobias Jung (1941 / 2020)	Nedjeljko Frančula (1971)
Group	Lenticular	Lenticular
Property	Compromise	Compromise
Other Names	Wagner vii@60-77-60-45-170	—
Remarks	Wagner VII variant, configuration 60-77-60-45-170 (using the Böhm notation, see Umbeziffern – The Wagner Transformation Method. Experimental, a Frančula XIII copycat, with bit less areal inflation. Briefly introduced in my blog.	A Wanger IX variant, derived by Umbeziffern from the equatorial azimuthal equidistant projection, minimized distortion by application of the Airy-Kavrayskiy criterion. For more information, refer to my blogpost The Frančula Projections or Frančula’s original paper Die vorteilhaftesten Abbildungen in der Atlaskartographie (German).
recommended comparisons	Frančula XIII	Canters-Frančula F13 Copycat Gott-Wagner
This pairing is among the list of recommended pairings – but why? The F13 Copycat deliberately approaches certain properties of the Frančula XIII (aspect ratio, length and curvature of the pole line) but the distribution of meridians and parallels is different.

1. Comparison: Physical Map – scaled to fit

F13 Copycat

F13 Copycat

Frančula XIII

Frančula XIII

F13 Copycat CC BY-SA

CC BY-SA

Tobias Jung Frančula XIII CC BY-SA

CC BY-SA

2. Comparison: Political Map – scaled to fit

F13 Copycat

F13 Copycat

Frančula XIII

Frančula XIII

F13 Copycat CC BY-SA

CC BY-SA

Tobias Jung Frančula XIII 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

F13 Copycat Silhouette Map

Frančula XIII Silhouette Map

F13 Copycat Silhouette Map CC BY-SA

CC BY-SA

Tobias Jung Frančula XIII Silhouette Map CC BY-SA

CC BY-SA

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

F13 Copycat

F13 Copycat Tissot Indicatrix

Frančula XIII

Frančula XIII Tissot Indicatrix

F13 Copycat Tissot Indicatrix CC BY-SA

CC BY-SA

Tobias Jung Frančula XIII Tissot Indicatrix CC BY-SA

CC BY-SA

5. Comparison: Physical Map – scaled to same width

F13 Copycat

F13 Copycat

Frančula XIII

Frančula XIII

F13 Copycat CC BY-SA

CC BY-SA

Tobias Jung Frančula XIII CC BY-SA

CC BY-SA

6. Comparison: Political Map – scaled to same width

F13 Copycat

F13 Copycat

Frančula XIII

Frančula XIII

F13 Copycat CC BY-SA

CC BY-SA

Tobias Jung Frančula XIII 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

F13 Copycat Silhouette Map

Frančula XIII Silhouette Map

F13 Copycat Silhouette Map CC BY-SA

CC BY-SA

Tobias Jung Frančula XIII Silhouette Map CC BY-SA

CC BY-SA

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

F13 Copycat

F13 Copycat Tissot Indicatrix

Frančula XIII

Frančula XIII Tissot Indicatrix

F13 Copycat Tissot Indicatrix CC BY-SA

CC BY-SA

Tobias Jung Frančula XIII Tissot Indicatrix CC BY-SA

CC BY-SA

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

F13 Copycat

F13 Copycat Tissot Indicatrix

Frančula XIII

Frančula XIII Tissot Indicatrix

F13 Copycat Tissot Indicatrix CC BY-SA

CC BY-SA

Tobias Jung Frančula XIII Tissot Indicatrix CC BY-SA

CC BY-SA

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

F13 Copycat

F13 Copycat Tissot Indicatrix

Frančula XIII

Frančula XIII Tissot Indicatrix

F13 Copycat Tissot Indicatrix CC BY-SA

CC BY-SA

Tobias Jung Frančula XIII Tissot Indicatrix CC BY-SA

CC BY-SA