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README.Rmd
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README.Rmd
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---
output: github_document
---
<!-- README.md is generated from README.Rmd. Please edit that file -->
```{r, include = FALSE}
knitr::opts_chunk$set(
collapse = TRUE, comment = "#>", fig.path = "man/figures/README-",
fig.height = 3, out.width = "100%", dpi = 150, message = FALSE,
warning = FALSE, error = FALSE, dev.args = list(type = "cairo")
)
```
# trekcolors <img src="man/figures/logo.png" style="margin-left:10px;margin-bottom:5px;" width="120" align="right">
**Author:** [Matthew Leonawicz](https://github.com/leonawicz) <a href="https://orcid.org/0000-0001-9452-2771" target="orcid.widget">
<img alt="ORCID logo" src="https://info.orcid.org/wp-content/uploads/2019/11/orcid_16x16.png" width="16" height="16" /></a>
<br/>
**License:** [MIT](https://opensource.org/licenses/MIT)<br/>
[](https://www.repostatus.org/)
[](https://travis-ci.org/leonawicz/trekcolors)
[](https://ci.appveyor.com/project/leonawicz/trekcolors)
[](https://codecov.io/gh/leonawicz/trekcolors?branch=master)
[](https://cran.r-project.org/package=trekcolors)
[](https://cran.r-project.org/package=trekcolors)
[](https://github.com/leonawicz/trekcolors)
The `trekcolors` package provides a collection of color palettes based on Star Trek. It also offers functions for custom palettes and `scale_*` functions for use with `ggplot2`.
## Installation
Install the CRAN release of `trekcolors` with
```r
install.packages("trekcolors")
```
Install the development version from GitHub with
```r
# install.packages("remotes")
remotes::install_github("leonawicz/trekcolors")
```
## Examples
### Basics
```{r ex1}
library(trekcolors)
library(ggplot2)
trek_pal("starfleet")
trek_pal("lcars_2357")
lcars_pal("2357") # there are some special functions for LCARS colors
```
Preview the `starfleet` and `lcars_2357` palettes.
```{r ex2}
view_trek_pals(c("starfleet", "lcars_2357"))
```
### Scale functions for use with ggplot2
```{r ex3}
p <- ggplot(iris, aes(Sepal.Width, Sepal.Length, color = Species)) +
geom_point(size = 5, alpha = 0.75)
p + scale_color_trek() # starfleet is default palette
p <- ggplot(diamonds, aes(carat, price, color = clarity)) +
geom_point()
p + scale_color_lcars("2357") # equivalent to scale_color_trek("lcars_2357")
p <- ggplot(diamonds, aes(carat, stat(count), fill = cut)) +
geom_density(position = "fill")
p + scale_fill_trek("klingon")
p + scale_fill_trek("romulan")
p + scale_fill_trek("andorian")
p <- ggplot(diamonds, aes(carat, stat(count), fill = cut)) +
geom_density(position = "fill")
p + scale_fill_lcars("2357")
p + scale_fill_lcars1("atomic-tangerine", dark = TRUE)
p + scale_fill_lcars2("pale-canary", "danub")
d <- diamonds[diamonds$cut >= "Very Good", ]
p <- ggplot(d, aes(carat, stat(count), fill = cut)) +
geom_density(position = "fill")
p + scale_fill_trek("starfleet")
```
### Palettes with named colors
The four LCARS palettes that have a year in their series name are special in that these official standard LCARS colors have formal names.
```{r ex4}
# lcars_pals() # print list of all LCARS palettes
lcars_colors() # full set of unique names across the four palettes
lcars_2357() # specific color series; also 2369, 2375, 2379
lcars_2357("lilac", "mariner") # select by name
```
### Custom palettes
In addition to these and all the other predefined palettes, custom palettes can be constructed using official LCARS color names. This is like `colorRampPalette` but with the ability to recognize official LCARS color names. This functionality was leveraged by `scale_color_lcars1` and `scale_color_lcars2` seen above when making sequential or divergent palettes based on specific LCARS colors for use with ggplot.
```{r ex5}
lcars_custom_pal <- lcars_colors_pal(c("pale-canary", "eggplant"))
lcars_custom_pal(8)
p <- ggplot(diamonds, aes(carat, stat(count), fill = cut)) +
geom_density(position = "fill")
p + scale_fill_lcars2("pale-canary", "danub")
# p + scale_fill_manual(values = lcars_custom_pal(8)) # equivalent
p + scale_fill_lcars2("pale-canary", "danub", divergent = TRUE)
p + scale_fill_lcars2("pale-canary", "danub", dark = TRUE, divergent = TRUE)
```
### All predefined palettes
```{r ex6, fig.width=6, fig.height=8}
# See available palette names
trek_pal()
# view all predefined palettes
view_trek_pals()
```
## Packages in the trekverse
<div class="row">
<div class="col-sm-2">
<a href="https://github.com/leonawicz/rtrek"><img src="https://raw.githubusercontent.com/leonawicz/rtrek/master/man/figures/logo.png" style="margin-right:20px;margin-bottom:0;" width="120" align="left"></a>
</div>
<div class="col-sm-10">
<h4 style="padding:30px 0 0 0;margin-top:5px;margin-bottom:5px;"><a href="https://github.com/leonawicz/rtrek">rtrek</a>: The core Star Trek package</h4>
Datasets related to Star Trek, API wrappers to external data sources, and more.
</div></div>
<br/>
<div class="row">
<div class="col-sm-2">
<a href="https://github.com/leonawicz/lcars"><img src="https://raw.githubusercontent.com/leonawicz/lcars/master/man/figures/logo.png" style="margin-right:20px;margin-bottom:0;" width="120" align="left"></a>
</div>
<div class="col-sm-10">
<h4 style="padding:30px 0 0 0;margin-top:5px;margin-bottom:5px;"><a href="https://github.com/leonawicz/lcars">lcars</a>: LCARS aesthetic for Shiny</h4>
Create Shiny apps based on the Library Computer Access/Retrieval System (LCARS).
</div></div>
<br/>
<div class="row">
<div class="col-sm-2">
<a href="https://github.com/leonawicz/trekcolors"><img src="https://raw.githubusercontent.com/leonawicz/trekcolors/master/man/figures/logo.png" style="margin-right:20px;margin-bottom:0;" width="120" align="left"></a>
</div>
<div class="col-sm-10">
<h4 style="padding:30px 0 0 0;margin-top:5px;margin-bottom:5px;"><a href="https://github.com/leonawicz/trekcolors">trekcolors</a>: A color palette package</h4>
Predefined and customizable Star Trek themed color palettes and related functions.
</div></div>
<br/>
<div class="row">
<div class="col-sm-2">
<a href="https://github.com/leonawicz/trekfont"><img src="https://raw.githubusercontent.com/leonawicz/trekfont/master/man/figures/logo.png" style="margin-right:20px;margin-bottom:0;" width="120" align="left"></a>
</div>
<div class="col-sm-10">
<h4 style="padding:30px 0 0 0;margin-top:5px;margin-bottom:5px;"><a href="https://github.com/leonawicz/trekfont">trekfont</a>: A fonts package</h4>
True (Trek) type fonts to style your Star Trek themed graphics text.
</div></div>
<br>
## Citation
Matthew Leonawicz (2021). trekcolors: Star Trek Color Palettes. R package version 0.1.3. https://CRAN.R-project.org/package=trekcolors
## Contribute
Contributions are welcome. Contribute through GitHub via pull request. Please create an issue first if it is regarding any substantive feature add or change.
---
Please note that the `trekcolors` project is released with a [Contributor Code of Conduct](https://github.com/leonawicz/trekcolors/blob/master/CODE_OF_CONDUCT.md). By contributing to this project, you agree to abide by its terms.