areapoly: Signed Area of Polygon
In spatialkernel: Nonparametric Estimation of Spatial Segregation in a Multivariate Point Process
Description
Usage
Arguments
Value
Note
References
Description
Calculate the area of a polygon and its
boundary direction.
Usage
1
Arguments
poly
matrix containing the x,y-coordinates of the
vertices of the polygon boundary.
Value
area
positive numeric, the area of the polygon.
sign
integer, 1 if the polygon orientation is anticlockwise,
-1 otherwise.
poly
copy of the passed argument poly.
Note
This function is provided here so that
users do not need to load other packages,
as it is not available in the base R packages.
References
Joseph O'Rourke, Computational Geometry in C (2nd Edition),
Cambridge University Press, 2000 edition.
spatialkernel documentation built on May 2, 2019, 4:37 p.m.
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Description Usage Arguments Value Note References
Description
Calculate the area of a polygon and its boundary direction.
Usage
1 |
Arguments
poly |
matrix containing the |
Value
area |
positive numeric, the area of the polygon. |
sign |
integer, 1 if the polygon orientation is anticlockwise, -1 otherwise. |
poly |
copy of the passed argument |
Note
This function is provided here so that users do not need to load other packages, as it is not available in the base R packages.
References
Joseph O'Rourke, Computational Geometry in C (2nd Edition), Cambridge University Press, 2000 edition.
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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