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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/",
out.width = "100%"
)
```
# robinmap
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The goal of the R package `robinmap` is to map World countries in the Robinson
projection system (or others CRS) and to center the map on a different meridian
than Greenwich. It uses the [Natural Earth](https://www.naturalearthdata.com/) layer
as a base map.
### System Requirements
This package handles spatial objects and requires some system dependencies
(GDAL, PROJ and GEOS). Please visit [this page](https://github.com/r-spatial/sf/#installing) to
correctly install these tools.
## Installation
You can install the development version from [GitHub](https://github.com/) with:
```{r eval = FALSE}
# install.packages("remotes")
remotes::install_github("FRBCesab/robinmap")
```
Then you can attach the package `robinmap`:
```{r eval = FALSE}
library("robinmap")
```
## Usage
```{r eval = FALSE}
## Default map ----
robinmap()
## Robinson projection - Pacific-centered ----
robinmap(center = 160)
## Robinson projection - Pacific-centered (export layer) ----
world <- robinmap(center = 160)
sf::st_write(world, "world_layer_pacific_centered.gpkg")
## World Eckert IV projection - Pacific-centered ----
eckert <- "+proj=eck4 +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84 +datum=WGS84 +units=m +no_defs"
robinmap(center = 160, crs = eckert)
## Mollweide projection - Pacific-centered ----
mollweide <- "+proj=moll +lon_0=0 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs"
robinmap(center = 160, crs = mollweide)
## Behrmann projection - Pacific-centered ----
behrmann <- "+proj=cea +lon_0=0 +lat_ts=30 +x_0=0 +y_0=0 +datum=WGS84 +ellps=WGS84 +units=m +no_defs"
robinmap(center = 160, crs = behrmann)
```
## Citation
Please cite this package as:
> Casajus Nicolas (`r format(Sys.Date(), "%Y")`) robinmap: World Map in
Pacific-centered Robinson Projection. R package version 1.0.
## Code of Conduct
Please note that the `robinmap` project is released with a
[Contributor Code of Conduct](https://contributor-covenant.org/version/2/0/CODE_OF_CONDUCT.html).
By contributing to this project, you agree to abide by its terms.