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ETRep

1.2.1Package record

Analysis of Elliptical Tubes Under the Relative Curvature Condition

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2.7Kdownloads / year
–test coverage
13/13flavors OK

Overview

About

Analysis of elliptical tubes with applications in biological modeling. The package is based on the references: Taheri, M., Pizer, S. M., & Schulz, J. (2024) "The Mean Shape under the Relative Curvature Condition." Journal of Computational and Graphical Statistics doi:10.1080/10618600.2025.2535600 and arXiv doi:10.48550/arXiv.2404.01043. Mohsen Taheri Shalmani (2024) "Shape Statistics via Skeletal Structures", PhD Thesis, University of Stavanger, Norway doi:10.13140/RG.2.2.34500.23685. Key features include constructing discrete elliptical tubes, calculating transformations, validating structures under the Relative Curvature Condition (RCC), computing means, and generating simulations. Supports intrinsic and non-intrinsic mean calculations and transformations, size estimation, plotting, and random sample generation based on a reference tube. The intrinsic approach relies on the interior path of the original non-convex space, incorporating the RCC, while the non-intrinsic approach uses a basic robotic arm transformation that disregards the RCC.

Changes in 1.2.1
  • Updates
  • The package description has been updated to include the published version of the paper *"The Mean Shape under the Relative Curvature Condition"* in the Journal of Computational and Graphical Statistics (DOI: <doi:10.1080/10618600.2025.2535600>).
  • The plotting issue raised by macOS users due to the lack of native OpenGL support has been fixed by introducing the helper functions etrep_open3d() and etrep_show3d(). These functions allow plotting to fall back to a WebGL viewer and open the scene in a browser when a native rgl device is not available.

From NEWS in the release

Install

Health

CRAN checks
13OK
Slowest check: 2.6 min · r-oldrel-macos-x86_64
Status changes
  • OK13 OK2026-08-05
  • NOTE12 OK, 1 NOTE2026-08-01
  • OK13 OK2026-06-09
  • ERROR12 OK, 1 ERROR2026-06-08
  • OK14 OK2026-03-10
Advisories

none known

Documentation

In release 1.2.1
READMENoVignettesNoNEWSYes · 33% structured · mentions 1.2.1Citation fileNoWebsitenot declared in DESCRIPTION
Help pages
19 (3 internal)
Examples that run
67%8 run in a plain check · 3 only when donttest examples are enabled (R CMD check --as-cran) · 1 never run
Exported functions with examples
100%
Documented parameters
100%
Return-value docs
100%
Help pages citing references
42%

Downloads

2.7K
CRAN downloads in the past year
Rank #10,368 · ~7/day · ~221/mo
Daily download trend is not available in this view yet.
56330 days
96390 days
2.7K1 year
Compare downloads with other packages →
Also on79 r2u

Repository

1Stars
0Forks
0Open issues
0Open PRs
1Releases
162Commits
2Commit identities
generalized-cylinderimage-processingroboticssimulationstatistical-shape-analysiselliptical-tube
License file reads as MIT · 162 commits · Last activity 2025-10-13
Responsiveness
How these are sampled
PRs merged (all time)
100%
Median days to close, 50 most recently updated closed issues
not measured
Median days to close, 50 most recently updated closed PRs
0

Stars over time

2025-07-01 · 12026-07-07 · 1
PracticesBeta

3 development-tooling and community-health practices detected across 2 families in the upstream repository

Checks run against github.com/mohsentaherishalmani/elliptical_tubes on 2026-10-11.

Continuous integration (2)
GitHub ActionsR CMD check workflow

The R CMD check workflow runs on Windows

Git structural (1)
.gitattributes
How this is detected·Detection ruleset v3 (2026-09-26)

Dependencies

Declared dependencies
10 external dependencies (excludes base and recommended)

Installing ETRep adds 107 packages (55 with compiled code, 101 MB of source tarballs). Heaviest: stringi 11 MB, ggplot2 6.0 MB, bslib 5.6 MB.

Depends (1)
R >= 4.0.0
LinkingTo (0)
none
Suggests (0)
none
Enhances (0)
none
Reverse dependencies
0direct
0indirect

Nothing depends on this yet.

Datasets

People & History

People (3)
Author, Maintainer · added in 1.1.0
Author · added in 1.1.0
Author · added in 1.1.0

Maintainer since 0.1.0 (2024)

Listed in earlier versions (1)
Mohsen Taheri
no longer listed · 0.1.0
Releases (4)

Pick two releases to compare their code metrics.

  • R
    R 4.6.0 released · 2026-04-24
  • 1.2.1Latest
    record
    2025-09-27 · current release · diff ↗
  • 1.2.0
    record
    2025-06-05 · diff ↗ ·
    removed 1 export
    pattern:^[[:alpha:]]+
    added 12 exports
    check_Tube_Legality, create_Elliptical_Tube, elliptical_Tube_Euclideanization, intrinsic_Distance_Between2tubes, intrinsic_Transformation_Elliptical_Tubes, intrinsic_mean_tube, nonIntrinsic_Distance_Between2tubes, nonIntrinsic_Transformation_Elliptical_Tubes, nonIntrinsic_mean_tube, plot_Elliptical_Tube, simulate_etube, tube_Surface_Mesh
  • R
    R 4.5.0 released · 2025-04-11
  • 1.1.0
    record
    2024-12-05 · diff ↗
  • 0.1.0
    record
    2024-11-04
  • R
    R 4.4.0 released · 2024-04-24

Package metadata

First published
2024-11-04
Total releases
4 / 2 yrs
License
MIT + file LICENSE OSI
Minimum R
≥ 4.0.0
Bundled data
1.1 MB / 4 files
Download size
1.1 MB

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("ETRep")
Taheri Shalmani, M., Pizer, S. M., & Schulz, J. (2025). ETRep: Analysis of Elliptical Tubes Under the Relative Curvature Condition (Version 1.2.1) [Computer software]. https://doi.org/10.32614/CRAN.package.ETRep

This package has no citation file, so citation() returns this entry built from DESCRIPTION.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

APA

Balamuta, J. J. (2026). R Observatory: Metrics for ETRep version 1.2.1 [Data set]. HJJB, LLC. Data release v2026-10-17. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-17, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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