inter {alphahull} | R Documentation |
Intersection of two circumferences
Description
This function calculates the intersection of two circumferences, given their centers and radius c1,r1
and c2,r2
, respectively.
Usage
inter(c11, c12, r1, c21, c22, r2)
Arguments
c11 |
X-coordinate of the center |
c12 |
Y-coordinate of the center |
r1 |
Radius |
c21 |
X-coordinate of the center |
c22 |
Y-coordinate of the center |
r2 |
Radius |
Details
The function inter
is internally called by the function ahull
.
Value
A list with the following components:
n.cut |
Number of intersection points (0,1,2, or Inf). |
v1 |
If there are two intersection points, |
theta1 |
Angle that forms |
v2 |
If there are two intersection points, |
theta2 |
Angle that forms |