Tag: Closest

Where is the Closest Place to Space on Earth?

If both mountains are measured from sea level, Mount Everest is at roughly 9 kms high (about 29000 ft), whereas Mount Chimborazo is about 6.2 kms (about 20500 ft). However, Mount Chimborazo is closer to space because it is located on the equator in Ecuador. The map below shows where that is. The ...

Closest Point on a Polygon

It can be explained better with an image so let’s take a look at this figure. As you can see points 1 and 3 are inside the polygon but point 2 is not because point 1 has 1 crossing (odd), 2 has 2 crossings (even) and 3 has 3 crossings (odd). I ran a semi-infinite ray horizontally (increasin...