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araponga: Estimate 3D Orientations from 2D Landmarks

Estimates possible 3D orientations of an object from the 2D image coordinates of two landmarks and an approximate camera-object elevation angle. Because a projected 2D angle can be compatible with multiple 3D pitch, yaw, and view-elevation angles, the package returns compatible sets of orientations rather than a single unconstrained estimate.

Version: 1.1.0
Depends: R (≥ 4.1.0)
Imports: arrow, dplyr, graphics, rlang
Suggests: curl, httr, knitr, rmarkdown, testthat (≥ 3.0.0)
Published: 2026-07-07
DOI: 10.32614/CRAN.package.araponga
Author: João C T Menezes ORCID iD [aut, cre, cph]
Maintainer: João C T Menezes <jocateme at gmail.com>
BugReports: https://github.com/jocateme/araponga/issues
License: GPL (≥ 3)
URL: https://github.com/jocateme/araponga
NeedsCompilation: no
Materials: README, NEWS
CRAN checks: araponga results

Documentation:

Reference manual: araponga.html , araponga.pdf
Vignettes: araponga (source, R code)

Downloads:

Package source: araponga_1.1.0.tar.gz
Windows binaries: r-devel: araponga_1.1.0.zip, r-release: araponga_1.1.0.zip, r-oldrel: araponga_1.1.0.zip
macOS binaries: r-release (arm64): araponga_1.1.0.tgz, r-oldrel (arm64): araponga_1.1.0.tgz, r-release (x86_64): araponga_1.1.0.tgz, r-oldrel (x86_64): araponga_1.1.0.tgz
Old sources: araponga archive

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.