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Frančula XII vs. Frančula XIII

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  Frančula XII Frančula XIII
Creator Nedjeljko Frančula (1971) Nedjeljko Frančula (1971)
Group Lenticular Lenticular
Property Compromise Compromise
Other Names
Remarks Derived by Umbeziffern from the American Polyconic, 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).
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

1. Comparison: Physical Map – scaled to fit

Frančula XII
Frančula XII
Frančula XIII
Frančula XIII

2. Comparison: Silhouette Map – scaled to fit

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Grey areas: Superimposition of projections
Frančula XII Silhouette Map
Frančula XIII Silhouette Map

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

Frančula XII
Frančula XII Tissot Indicatrix
Frančula XIII
Frančula XIII Tissot Indicatrix

4. Comparison: Physical Map – scaled to same width

Frančula XII
Frančula XII
Frančula XIII
Frančula XIII

5. Comparison: Silhouette Map – scaled to same width

Click on projection’s name to hide it
Grey areas: Superimposition of projections
Frančula XII Silhouette Map
Frančula XIII Silhouette Map

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

Frančula XII
Frančula XII Tissot Indicatrix
Frančula XIII
Frančula XIII Tissot Indicatrix

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

Frančula XII
Frančula XII Tissot Indicatrix
Frančula XIII
Frančula XIII Tissot Indicatrix

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

Frančula XII
Frančula XII Tissot Indicatrix
Frančula XIII
Frančula XIII Tissot Indicatrix
 

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