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nvctr  

The n-vector Approach to Geographical Position Calculations using an Ellipsoidal Model of Earth
View on CRAN: Click here


Download and install nvctr package within the R console
Install from CRAN:
install.packages("nvctr")

Install from Github:
library("remotes")
install_github("cran/nvctr")

Install by package version:
library("remotes")
install_version("nvctr", "0.1.7")



Attach the package and use:
library("nvctr")
Maintained by
Enrico Spinielli
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2019-03-07
Latest Update: 2020-10-28
Description:
The n-vector framework uses the normal vector to the Earth ellipsoid (called n-vector) as a non-singular position representation that turns out to be very convenient for practical position calculations. The n-vector is simple to use and gives exact answers for all global positions, and all distances, for both ellipsoidal and spherical Earth models. This package is a translation of the 'Matlab' library from FFI, the Norwegian Defence Research Establishment, as described in Gade (2010) .
How to cite:
Enrico Spinielli (2019). nvctr: The n-vector Approach to Geographical Position Calculations using an Ellipsoidal Model of Earth. R package version 0.1.7, https://cran.r-project.org/web/packages/nvctr. Accessed 02 Nov. 2026.
Previous versions and publish date:
(2026-07-09 06:25), 0.1.1 (2019-03-07 18:30), 0.1.4 (2020-10-28 15:00)
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Complete documentation for nvctr
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