triangleArea: Area of a triangle
In OSMscale: Add a Scale Bar to 'OpenStreetMap' Plots
triangleArea R Documentation
Area of a triangle
Description
calculate Area of a planar triangle
Usage
triangleArea(x, y, digits = 3)
Arguments
x
Vector with 3 values (x coordinates of triangle corners)
y
Ditto for y.
digits
Number of digits the result is rounded to. DEFAULT: 3)
Value
Numeric
Author(s)
Berry Boessenkool, berry-b@gmx.de, 2011
See Also
berryFunctions::distance
Examples
a <- c(1,5.387965,9); b <- c(1,1,5)
plot(a[c(1:3,1)], b[c(1:3,1)], type="l", asp=1)#; grid()
triangleArea(a,b)
#triangleArea(a,b[1:2])
OSMscale documentation built on Oct. 13, 2023, 5:10 p.m.
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| triangleArea | R Documentation |
Area of a triangle
Description
calculate Area of a planar triangle
Usage
triangleArea(x, y, digits = 3)
Arguments
x |
Vector with 3 values (x coordinates of triangle corners) |
y |
Ditto for y. |
digits |
Number of digits the result is rounded to. DEFAULT: 3) |
Value
Numeric
Author(s)
Berry Boessenkool, berry-b@gmx.de, 2011
See Also
berryFunctions::distance
Examples
a <- c(1,5.387965,9); b <- c(1,1,5)
plot(a[c(1:3,1)], b[c(1:3,1)], type="l", asp=1)#; grid()
triangleArea(a,b)
#triangleArea(a,b[1:2])
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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