https://github.com/r-spatial/leafem

leaflet extensions for mapview
https://github.com/r-spatial/leafem

Last synced: 14 days ago
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leaflet extensions for mapview

• Host: GitHub
• URL: https://github.com/r-spatial/leafem
• Owner: r-spatial
• License: other
• Created: 2019-04-15T20:01:03.000Z (about 6 years ago)
• Default Branch: master
• Last Pushed: 2025-02-27T11:17:28.000Z (about 2 months ago)
• Last Synced: 2025-03-31T15:24:53.165Z (18 days ago)
• Language: JavaScript
• Homepage: https://r-spatial.github.io/leafem/
• Size: 18.3 MB
• Stars: 108
• Watchers: 12
• Forks: 30
• Open Issues: 19
• Metadata Files:
  • Readme: README.Rmd
  • Changelog: NEWS
  • License: LICENSE
  • Code of conduct: CODE_OF_CONDUCT.md

Awesome Lists containing this project

• awesome-leaflet - leafem: leaflet extensions for mapview
• jimsghstars - r-spatial/leafem - leaflet extensions for mapview (JavaScript)

README

        
---

output: github_document

---

```{r setup, include = FALSE}

knitr::opts_chunk$set(

  collapse = TRUE,

  eval = FALSE,

  comment = "#>",

  fig.path = "man/figures/README-",

  out.width = "100%"

)

```

# leafem - leaflet extensions for mapview

[![R-CMD-check](https://github.com/r-spatial/leafem/workflows/R-CMD-check/badge.svg)](https://github.com/r-spatial/leafem/actions)

[![cran checks](https://badges.cranchecks.info/worst/leafem.svg)](https://cran.r-project.org/web/checks/check_results_leafem.html)

![monthly](http://cranlogs.r-pkg.org/badges/leafem)

![total](http://cranlogs.r-pkg.org/badges/grand-total/leafem)

[![CRAN](http://www.r-pkg.org/badges/version/leafem?color=009999)](https://cran.r-project.org/package=leafem)

`leafem` provides extensions for package `leaflet` many of which are used by package `mapview`. The intention of this package is to enhance `leaflet` functionality to provide a more GIS-like feeling when plotting spatial data interactively.

## Installation

You can install the released version of leafem from [CRAN](https://CRAN.R-project.org) with:

```{r install}

install.packages("leafem")

```

## Extensions

#### addFeatures

```{r features}

library(leaflet)

leaflet() %>% addProviderTiles("OpenStreetMap") %>% addFeatures(data = breweries91)

```

![](figures/README-features.png)

#### addMouseCoordinates

```{r mousecoords}

leaflet() %>%

  addProviderTiles("OpenStreetMap") %>%

  addMouseCoordinates()

```

![](figures/README-garnish.png)

#### garnishMap

```{r garnish}

library(leaflet)

m <- leaflet() %>% addProviderTiles("OpenStreetMap")

garnishMap(m, addMouseCoordinates)

```

![](figures/README-garnish.png)

#### addHomeButton

```{r home}

library(leaflet)

library(raster)

m <- leaflet() %>%

  addProviderTiles("OpenStreetMap") %>%

  addCircleMarkers(data = breweries91) %>%

  addHomeButton(extent(breweries91), "breweries91")

m

```

![](figures/README-home.png)

#### addImageQuery

```{r query}

library(leaflet)

library(plainview)

leaflet() %>%

  addProviderTiles("OpenStreetMap") %>%

  addRasterImage(poppendorf[[1]], project = TRUE, group = "poppendorf",

                 layerId = "poppendorf") %>%

  addImageQuery(poppendorf[[1]], project = TRUE,

                layerId = "poppendorf") %>%

  addLayersControl(overlayGroups = "poppendorf")

```

![](figures/README-query.png)

#### addLogo

```{r logo}

img <- "https://www.r-project.org/logo/Rlogo.svg"

leaflet() %>% addTiles() %>% addLogo(img, url = "https://www.r-project.org/logo/")

```

![](figures/README-logo.png)

### Code of Conduct

Please note that the 'leafem' project is released with a [Contributor Code of Conduct](https://github.com/r-spatial/leafem/blob/master/CODE_OF_CONDUCT.md). By participating in this project you agree to abide by its terms.