Basic Statistics

CSV GeoJSON

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Layer Id 288 Name D'Urville 1826
Description Route of D'Urville 1826 exploration; collated from Jacque Brosse, Great Voyages of Discovery: Circumnavigations and Scientists, 1764-1843, incl. for crew information Subject Keywords exploration
Type Other Warning Layer Warning: This layer is for demonstration only, pending a broader project.
Creator Koen Stapelbroek Created At 2022-10-26 16:42:23
Updated At 2022-10-26 18:42:14 Ghap Url https://tlcmap.org/layers/288
Statistic Value Unit
Total Places
33 -
Area
174870530.47152 km2
Convex Hull
POLYGON((147.3409158 -42.8840055,-175.1352174 -21.15771047,5.366689472 43.29475476,144.6383832 13.46134222,178.3916927 -18.15107788,178.3113728 -38.37461259,173.1895889 -41.02611567,147.3409158 -42.8840055)) -
Density
1.8871104188349E-7 places/km2
Centroid
POINT(93.78627706551518 -8.92330957127273) -
Bounding Box
POLYGON((-175.1352174 -42.8840055,-175.1352174 43.29475476,178.3916927 43.29475476,178.3916927 -42.8840055,-175.1352174 -42.8840055)) -
Most Central Place
D'Urville 1826 (Astrolabe) -
Most Distant Place from center
D'Urville 1826 (Astrolabe) -
Distribution
  • Average Distance from Centroid: 7499.6691253125
  • Average Distance from Centroid / Area of Convex Hull: 4.2886981043006E-5
 kilometers
Start Date
1826-04-25 -
End Date
1829-12-23 -
Duration
3.66 years
Median Date
1827-08-16 -
Average Date
1827-10-17 -