geographiclib

version 2.0 (122 KB) by Charles Karney

MATLAB implementations of a subset of the C++ library, GeographicLib

https://github.com/geographiclib/geographiclib-octave

5.0

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Updated 21 Apr 2022

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GeographicLib toolbox

Version 2.0 2022-04-21

This toolbox provides native MATLAB implementations of a subset of the C++ library, GeographicLib. Full documentation is available at

https://github.com/geographiclib/geographiclib-octave#readme

Cite As

Charles Karney (2022). geographiclib (https://www.mathworks.com/matlabcentral/fileexchange/50605-geographiclib), MATLAB Central File Exchange. Retrieved August 13, 2022.

Karney, Charles F. F. “Algorithms for Geodesics.” Journal of Geodesy, vol. 87, no. 1, Springer Science and Business Media LLC, June 2012, pp. 43–55, doi:10.1007/s00190-012-0578-z.

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MATLAB Release Compatibility

Created with R2014b

Compatible with any release

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Windows macOS Linux

Acknowledgements

Inspired: Antarctic geoid conversions, Geodesics on an ellipsoid of revolution (DEPRECATED)

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Zip Toolbox	21 Apr 2022	2.0	A bug fix, better vectorization in geodreckon; better treatment of +/-0. For details, see https://github.com/geographiclib/geographiclib-octave/blob/main/NEWS
Zip Toolbox	20 Jun 2021	1.52	geoddistance: be more aggressive in preventing negative s12 and m12 for short lines.
Toolbox Zip	19 Sep 2019	1.50	geodarea can now handle arbitrarily complex polygons. Fix bug in mgrs_inv which resulted in incorrect results for UPS zones with prec = -1. In geodreckon.m and geoddistance.m, suppress (innocuous) "warning: division by zero" messages from Octave.
Zip Toolbox	5 Oct 2017	1.49	Update to version 1.49
Download	9 Apr 2017	1.48.0.0	Fix BUGS in geodreckon with mixed scalar and array arguments. Default range for longitude and azimuth is (-180d, 180d].
Download	15 Feb 2017	1.47.0.0	Improve accuracy of area calculation (fixing a flaw introduced in version 1.46). Fix vectorization of copysignx for MATLAB (Octave was already OK).
Download	15 Feb 2016	1.46.0.0	Improve the accuracy of the solution of the inverse problem when the longitude difference is close to 180deg.
Download	30 Sep 2015	1.45.0.0	Synchronize with GeographicLib 1.45. tranmerc_{fwd,inv} works with mixed scalar+array args. couple of Octave-specific fixes. array mismatch fix for geoddistance
Zip Toolbox	24 Aug 2015	1.44.1.0	Fix obscure bug in geoddistance (apply to Octave only).
Toolbox Zip	14 Aug 2015	1.44.0.0	Synchronize with GeographicLib 1.44.
Zip Toolbox	22 May 2015	1.43.0.0	Synchronize with GeographicLib 1.43. Fix bug in the long_unroll feature of geodreckon. mgrs_inv now takes an optional center argument.
Zip Toolbox	30 Apr 2015	1.42.1.0	Version 1.42.1 Repackage as a toolbox to eliminate spurious dependency. No change in .m files.
Zip Toolbox	30 Apr 2015	1.6.0.0	Reverting to zip packaging. MATLAB Central produces a garbled zip file when submitting a mltbx file.
Toolbox Zip	27 Apr 2015	1.4.0.0	Sync with GeographicLib 1.42. Minor changes to documentation only.
Zip Toolbox	26 Apr 2015	1.3.0.0	Remove bogus dependency on Robust Control Toolbox (yet again!).
Toolbox Zip	26 Apr 2015	1.2.0.0	Remove bogus dependency on Robust Control Toolbox (again!).
Toolbox Zip	23 Apr 2015	1.1.0.0	Remove bogus required product.
Zip Toolbox	23 Apr 2015	1.0.0.0

MLA	Karney, Charles F. F. “Algorithms for Geodesics.” Journal of Geodesy, vol. 87, no. 1, Springer Science and Business Media LLC, June 2012, pp. 43–55, doi:10.1007/s00190-012-0578-z.
APA	Karney, C. F. F. (2012). Algorithms for geodesics. Journal of Geodesy, 87(1), 43–55. Springer Science and Business Media LLC. Retrieved from https://doi.org/10.1007%2Fs00190-012-0578-z
BibTeX	@article{Karney_2012, doi = {10.1007/s00190-012-0578-z}, url = {https://doi.org/10.1007%2Fs00190-012-0578-z}, year = 2012, month = {jun}, publisher = {Springer Science and Business Media {LLC}}, volume = {87}, number = {1}, pages = {43--55}, author = {Charles F. F. Karney}, title = {Algorithms for geodesics}, journal = {Journal of Geodesy} }

geographiclib

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