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coglyphr
is an R package for computing the center of
gravity (COG) of character-like binary images using three different
methods. This package provides functions for estimating stroke-based,
contour-based, and potential energy-based COG. It is useful for
analyzing glyph structure in areas such as visual cognition research and
font development.
The current version supports the following COG computation methods:
cog_stroke
)cog_contour
), based on the method
proposed by Kotani and colleagues (2004, 2011)cog_potential
), based on
the method proposed by Kotani and colleagues (2006)For details on each function, refer to the function references.
You can install coglyphr
from GitHub using
devtools
:
# Install devtools if not already installed
if (!requireNamespace("devtools", quietly = TRUE)) install.packages("devtools")
# Install coglyphr
::install_github("mutopsy/coglyphr") devtools
This package requires:
* R (>= 4.4.0)
* dplyr
* imager
* sp
After installation, you can load this package using the
library
function.
library(coglyphr)
A paper describing this package has been submitted to the Journal
of Open Source Software (JOSS).
Until it is formally published, please cite the following preprint:
Muto, H. (2025). coglyphr: An R package to compute glyph centers of gravity from image data. Jxiv. https://doi.org/10.51094/jxiv.1531
See the Changelog on pkgdown site for the full changelog.
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.