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Frančula XIII vs. Gott-Wagner
Frančula XIII | Gott-Wagner | |
---|---|---|
Creator | Nedjeljko Frančula (1971) | J. Richard Gott III (2010) |
Group | Lenticular | Lenticular |
Property | Compromise | Compromise |
Other Names | — | — |
Remarks | 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). |
A variation of the Wagner IX, Böhm notation: ix@60-51.9615-450-38.49 (rounded). Presented in Sizing up the Universe by Gott & Vanderbei (2010), explained in detail in Flat Maps that improve on the Winkel Tripel by Gott, Goldberg & Vanderbei (2021). Also see my blogpost Four Flexify Projections and Gott-Wagner. |
recommended comparisons | Canters-Frančula F13 Copycat Gott-Wagner |
Frančula XIII |
This pairing is among the list of recommended pairings – but why? Two optimizations of Wagner IX. |
1. Comparison: Physical Map – scaled to fit
2. Comparison: Political Map – scaled to fit
Frančula XIII
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Gott-Wagner
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3. Comparison: Silhouette Map – scaled to fit
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
4. Comparison: Tissot Indicatrix, 30° – scaled to fit
Frančula XIII
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Gott-Wagner
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5. Comparison: Physical Map – scaled to same width
Frančula XIII
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Gott-Wagner
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6. Comparison: Political Map – scaled to same width
Frančula XIII
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Gott-Wagner
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7. Comparison: Silhouette Map – scaled to same width


8. Comparison: Tissot Indicatrix, 30° – scaled to same width
Frančula XIII
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Gott-Wagner
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9. Comparison: Tissot Indicatrix, 15° – scaled to fit
Frančula XIII
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Gott-Wagner
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10. Comparison: Tissot Indicatrix, 15° – scaled to same width
Frančula XIII
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Gott-Wagner
