Basic Statistics

To understand this analysis, check the GHAP Guide

Statistic Value Unit
Total Places
299 -
Area
108457471.22808 km2
Convex Hull
POLYGON((146.3271049 -43.86208303,57.43781539 -40.67881973,-18.12215827 -32.35855198,-20.97954779 -30.06655259,-28.85095152 -20.47401762,-28.94633721 39.17891579,-8.389954055 49.05181892,-0.070786732 51.50688425,0.086771999897588 51.50814847813149,1.401418885 51.22258635,1.4897 51.1856,167.9534499 -29.05799006,167.9567414 -29.09262689,148.0104781 -43.25310792,147.7399907 -43.38734069,147.2909493 -43.54723605,146.3271049 -43.86208303)) -
Density
2.756840968302E-6 places/km2
Centroid
POINT(109.58616501908328 -33.01032092716342) -
Bounding Box
POLYGON((-28.94633721 -43.86208303,-28.94633721 51.50814847813149,167.9567414 51.50814847813149,167.9567414 -43.86208303,-28.94633721 -43.86208303)) -
Most Central Place
Only two days after leaving King Georges Sound, Backhouse & Walker 'passed to the west of Rottenest Island, and came to anchor in Gages Roads at the Swan River, about half-past seven o'clock in the evening'. -
Most Distant Place from center
As the schooner Invoice 'passed between the islands of Fayal and Flores among the Azores' the islands were not visible 'in consequence of a fog'. -
Distribution
  • Average Distance from Centroid: 4893.1251975038
  • Average Distance from Centroid / Area of Convex Hull: 4.5115612065248E-5
kilometers