https://github.com/jsta/twilight

R interface to the USNO Sun or Moon Rise/Set Data :full_moon: :waning_gibbous_moon: :last_quarter_moon: :waning_crescent_moon:
https://github.com/jsta/twilight

phenology sunrise sunset

Last synced: about 2 months ago
JSON representation

R interface to the USNO Sun or Moon Rise/Set Data :full_moon: :waning_gibbous_moon: :last_quarter_moon: :waning_crescent_moon:

• Host: GitHub
• URL: https://github.com/jsta/twilight
• Owner: jsta
• Created: 2017-03-03T13:00:30.000Z (almost 8 years ago)
• Default Branch: master
• Last Pushed: 2017-03-07T15:50:54.000Z (almost 8 years ago)
• Last Synced: 2024-06-11T17:09:19.408Z (8 months ago)
• Topics: phenology, sunrise, sunset
• Language: R
• Homepage: http://aa.usno.navy.mil/data/docs/RS_OneYear.php
• Size: 22.5 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 2
• Metadata Files:
  • Readme: README.Rmd

Awesome Lists containing this project

README

        
---

output:

  md_document:

    variant: markdown_github

---

```{r, echo = FALSE}

knitr::opts_chunk$set(

  collapse = TRUE,

  comment = "#>",

  fig.path = "README-"

)

```

# twilight

[![Project Status: Active - The project has reached a stable, usable state and is being actively developed.](http://www.repostatus.org/badges/latest/active.svg)](http://www.repostatus.org/#active)

[![CRAN\_Status\_Badge](http://www.r-pkg.org/badges/version/twilight)](https://cran.r-project.org/package=twilight) 

[![CRAN RStudio mirror downloads](http://cranlogs.r-pkg.org/badges/twilight)](https://cran.r-project.org/package=twilight)

[![AppVeyor Build Status](https://ci.appveyor.com/api/projects/status/github/jsta/twilight?branch=master&svg=true)](https://ci.appveyor.com/project/jsta/twilight)

[![Travis-CI Build Status](https://travis-ci.org/jsta/twilight.svg?branch=master)](https://travis-ci.org/jsta/twilight)

The goal of twilight is to provide an R wrapper for the sun/moon rise/set data at [http://aa.usno.navy.mil/data/docs/RS_OneYear.php](http://aa.usno.navy.mil/data/docs/RS_OneYear.php)

## Installation

```{r installation, eval=FALSE}

# install.packages("devtools")

devtools::install_github("jsta/twilight")

```

## Usage

### Load package

```{r load package}

library(twilight)

```

### Geographic Coordinates

#### Raw Sunrise/set

```{r geo coordinates raw}

head(

  sunsetrise_yr(year = 2015,

              lon_deg = 80,

              lon_min = 26,

              lat_deg = 25,

              lat_min = 5,

              tz = 5)

)

```

#### Day Length

```{r geo day length}

head(

  tw_daylength(year = 2015,

              lon_deg = 80,

              lon_min = 26,

              lat_deg = 25,

              lat_min = 5,

              tz = 5)

)

```

### United State Place Names

#### Raw Sunrise/set

```{r place coordinates raw}

head(

  sunsetrise_yr(year = 2015,

                state = "FL",

                city = "Key Largo")

)

```

#### Day Length

```{r place day length}

head(

  tw_daylength(year = 2015,

                state = "FL",

                city = "Key Largo")

)

```

## Contributors

Contributions welcome in the form of pull requests and issues!