Generate Isolines and Isobands from Regularly Spaced Elevation Grids
Overview
A fast C++ implementation to generate contour lines (isolines) and contour polygons (isobands) from regularly spaced grids containing elevation data.
- General upkeep
- Rewrite implementation to use cpp11
From NEWS.md in the release
Install
Health
- OK13 OK2026-08-05
- NOTE12 OK, 1 NOTE2026-08-01
- OK14 OK2026-03-10
Documentation
- Help pages
- 10 (3 internal)includes a package overview page
- Examples that run
- 100%5 run in a plain check (1 of them under a condition)
- Exported functions with examples
- 56%
- Documented parameters
- 90%
- Return-value docs
- 0%
- Help pages citing references
- 0%
Downloads
Repository
- PRs merged (all time)
- 100%
- Median days to close, 50 most recently updated closed issues
- 2
- Median days to close, 50 most recently updated closed PRs
- 1
Stars over time
Forks over time
Releases over time
Issues over time
PRs over time
14 development-tooling and community-health practices detected across 6 families in the upstream repository
Checks run against github.com/r-lib/isoband on 2026-10-21.
The R CMD check workflow runs on Linux, macOS and Windows, and on R-devel
GitHub Pages site last deployed 2025-12-08 · The repository has a site deploy workflow
pkgdown site last built 2025-12-08
Show all practicesHide 2 practices
Dependencies
Installing isoband adds 3 packages (2 with compiled code, 1.7 MB of source tarballs). Heaviest: rlang 766 KB, cli 629 KB, cpp11 298 KB.
Code & Tests
People & History
Previously maintained by Hadley Wickham (0.2.7) and Claus O. Wilke (0.1.0 to 0.2.6).
Pick two releases to compare their code metrics.
- RR 4.6.0 released · 2026-04-24
- 0.3.0Latest
- RR 4.5.0 released · 2025-04-11
- RR 4.4.0 released · 2024-04-24
- RR 4.3.0 released · 2023-04-21
- 0.2.72022-12-20 · diff ↗
- 0.2.62022-10-06 · diff ↗
- RR 4.2.0 released · 2022-04-22
- 0.2.5
- RR 4.1.0 released · 2021-05-18
- 0.2.42021-03-03 · diff ↗
- 0.2.32020-12-01 · diff ↗
- 0.2.22020-06-20 · diff ↗
- RR 4.0.0 released · 2020-04-24
- 0.2.12020-04-12 · diff ↗
- RR 3.6.0 released · 2019-04-26
Show 3 earlier eventsHide 3 earlier events
- 0.2.02019-04-07 · diff ↗ ·
added 11 exports
angle_fixed, angle_halfcircle_bottom, angle_halfcircle_right, angle_identity, clip_lines, isobands_grob, isolines_grob, label_placer_manual, label_placer_minmax, label_placer_none, label_placer_simple - 0.1.02019-02-03
- RR 3.5.0 released · 2018-04-23
Package metadata
- First published
- 2019-02-03
- Total releases
- 10 / 7 yrs
- License
- MIT + file LICENSE OSI
- Download size
- 1.5 MB
Cite
Cite this package
Run in R for the authors' preferred citation:
citation("isoband")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.
From data release v2026-10-23, which the citation names so these numbers can be found later. More on citing and the projects behind them.