Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 600

The measure of separation between two entities or locations that may or may not be connected, such as two points.

7 votes

Surface distance on DEM between two coordinates

If the area is rather flat, even the overland distance and normal distance will be almost the same:if the slope between two points along you line is eg 20%, the overland distance will only be 2% higher … than the normal distance (sqrt(1^2+0.2^2)=1.019 ). …
johanvdw's user avatar
  • 6,249
1 vote

How to find the closest Edge from a Line

A logical approach would be a filter using the distance of both vertices to your new line: if you have found an edge with both vertices further away from your line than a previous edge you are sure that …
johanvdw's user avatar
  • 6,249
15 votes

Why is the 'straight line' path across continent so curved?

Just a quick addition: Also, planes from Asia to US would travel almost over North Pole. In that direction, they will often use the jet stream. In the other direction they will indeed fly ove …
johanvdw's user avatar
  • 6,249