GetAngle | R Documentation |
As seen from a point in the wind farm, computes the angle to another point in that farm.
GetAngle(x1, y1, x2, y2)
x1 |
must be a single value. Provide the |
y1 |
must be a single value. Provide the |
x2 |
must be a single value. Provide the |
y2 |
must be a single value. Provide the |
From point 2's point of view, computes the angle to point 1.
GetAngle
returns a single number between 0 and 360. If both points are identical, the return value is 0.
Note that this function returns an angle in arithmetic degrees notation. To convert to azimuth notation, use Geo2Ari
.
Carsten Croonenbroeck
Use JensenAngle
to compute the wake cone and with it, use JensenTrapezoid
to see if another turbine B is in turbine A's wake.
GetAngle(0.2, 0.2, 0.1, 0.1) ## Looking from point (0.1, 0.1) at point (0.2, 0.2), the angle is 45° (arithmetic).
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