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World Airports Voronoi (2014)

jasondavies.com

11–20 of 114 posts

Re: World Airports Voronoi (2014)

#11
post #4

What would happen if distance over sea is penalized by a certain factor? Is there an extension of Voronoi diagrams that addresses this issue?

Voronoi diagrams work for any definition of `distance` that may suit your needs. So weighting by airport size and/or sea distance is pretty trivial.

Re: World Airports Voronoi (2014)

#14
post #4

What would happen if distance over sea is penalized by a certain factor? Is there an extension of Voronoi diagrams that addresses this issue?

Voronoi diagrams work for any definition of `distance` that may suit your needs. So weighting by airport size and/or sea distance is pretty trivial.

I don't think it's that simple if the definition of distance is a function of position.

Re: World Airports Voronoi (2014)

#17
post #3

This gives a lot of importance to small airports in small islands. Big international airports are surrounded by other smaller airports. They are associated with a tiny surface. I can not see how this representation may be of any use for airports.

Ability to divert in an emergency?

Absolutely. It's a map of closest airport for any location on earth.

You could do different versions of this for different classes of plane (e.g. select a minimum runway length).

Re: World Airports Voronoi (2014)

#18
post #4

What would happen if distance over sea is penalized by a certain factor? Is there an extension of Voronoi diagrams that addresses this issue?

Voronoi diagrams work for any definition of `distance` that may suit your needs. So weighting by airport size and/or sea distance is pretty trivial.

A different approach: you can distort the map underneath, similarly to those maps that scale regions as a function of population rather than actual geographic area.

Re: World Airports Voronoi (2014)

#19
Voronoi diagrams are so fun. I messed around for months with them after I saw Amit Patel's procedural map generator that used them.

http://www-cs-students.stanford.edu/~amitp/game-programming/...

Fortune's Algorithm is pretty simple, but it's tricky to get right, particularly if you're also maintaining the information in a form that lets you do something useful with it besides spitting out the points of the Voronoi centers.

https://en.wikipedia.org/wiki/Fortune%27s_algorithm

Re: World Airports Voronoi (2014)

#20
I cant see Baltra Airport in the Galapagos Islands (https://goo.gl/maps/x9PW5i4VWMH2) - it is "near" the most remote Mataveri Airport on Easter Island and may skew the most remote result to another airport?

I guess not all airports are included (e.g there is one I've flown into as a tourist to the antarctic peninsula that is missing (https://goo.gl/maps/u54LnTDYb8N2)

Great visualisation though :)

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