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gdi  

Volumetric Analysis using Graphic Double Integration
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("gdi", "1.10.0")



Attach the package and use:
library("gdi")
Maintained by
Darius Nau
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2023-05-04
Latest Update: 2024-04-21
Description:
Tools implementing an automated version of the graphic double integration technique (GDI) for volume implementation, and some other related utilities for paleontological image-analysis. GDI was first employed by Jerison (1973) and Hurlburt (1999) and is primarily used for volume or mass estimation of (extinct) animals. The package 'gdi' aims to make this technique as convenient and versatile as possible. The core functions of 'gdi' provide utilities for automatically measuring diameters from digital silhouettes provided as image files and calculating volume via graphic double integration with simple elliptical, superelliptical (following Motani 2001 ) or complex cross-sectional models. Additionally, the package provides functions for estimating the center of mass position (COM), the moment of inertia (I) for 3D shapes and the second moment of area (Ix) of 2D cross-sections, as well as for visualization of results.
How to cite:
Darius Nau (2023). gdi: Volumetric Analysis using Graphic Double Integration. R package version 1.10.0, https://cran.r-project.org/web/packages/gdi. Accessed 10 Mar. 2026.
Previous versions and publish date:
1.1.1 (2023-05-04 10:20), 1.2.2 (2023-06-07 18:40), 1.4.1 (2023-08-07 17:20), 1.5.4 (2023-09-07 23:40), 1.6.0 (2024-04-21 23:32)
Other packages that cited gdi R package
View gdi citation profile
Other R packages that gdi depends, imports, suggests or enhances
Complete documentation for gdi
Functions, R codes and Examples using the gdi R package
Some associated functions: csI . cscorr . fdetect . gdi . hCOM . imghist . measuresil . plot_sil . rotI . sellipse.coo . sellipse . vCOM . 
Some associated R codes: Full gdi package functions and examples
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