angle3d: Calculate the zenith angle from xyz coordinates

Description Usage Arguments Value Examples

Description

Calculate a zenith angle between two segments from 3d (i.e x,y,z) coordinates

Usage

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angle3d(o, a, b)

Arguments

o

3d coordinates of the common point of the two segments

a

3d coordinates of the other point of segment a

b

3d coordinates of the other point of segment b

Value

The angle in degree

Examples

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origin=c(0,0,0)
a=c(0,0,1)
b=c(1,0,0)

angle3d(o=origin,a=a,b=b)

aRchi documentation built on April 16, 2021, 5:08 p.m.