Thanks for your interest! energese is a small, focused package implementing H.T. Odum’s Energy Systems Language (ESL) as ggplot2 layers. The scope is intentionally narrow:
- Faithful geometry for Odum’s canonical symbols (as documented in Wikipedia’s Energese chart and Odum 1994).
- Grammar-of-graphics idiom (proper
Geom*ggproto layers with standard aesthetics). - Zero heavy dependencies (only
ggplot2andtibblein Imports).
Development flow
# fork + clone, then:
devtools::install_deps()
devtools::document()
devtools::test()
devtools::check()
# to preview the pkgdown site locally
pkgdown::build_site()Pull request guidelines
- One geometry change or new symbol per PR (keeps review tractable).
- Add / update the corresponding vertex-helper test in
tests/testthat/test-odum_symbols.Rand the Geom-composition test intests/testthat/test-geom_odum.R. - Match the canonical Odum geometry where one exists (cite the Wikipedia chart or the Odum book page).
- Keep exports curated — don’t proliferate helper functions.
Reporting bugs
Please open an issue with a minimal library(energese); library(ggplot2); … reproducer + sessionInfo(). Visual bugs → attach the PNG.
Code of conduct
Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.
