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leafpm is a plugin for leaflet to
provide map editing and drawing in R with Leaflet.pm.
It is based closely off of leaflet.extras
addDrawToolbar(). leafpm is intended to
supplement leaflet.extras with better support for snapping
and holes.
You can install the released version of leafpm from CRAN with:
install.packages("leafpm")library(mapview)
library(leafpm)
library(sf)
outer1 = matrix(c(0,0,10,0,10,10,0,10,0,0),ncol=2, byrow=TRUE)
hole1 = matrix(c(1,1,1,2,2,2,2,1,1,1),ncol=2, byrow=TRUE)
hole2 = matrix(c(5,5,5,6,6,6,6,5,5,5),ncol=2, byrow=TRUE)
outer2 = matrix(c(11,0,11,1,12,1,12,0,11,0),ncol=2, byrow=TRUE)
pts1 = list(outer1, hole1, hole2)
pts2 = list(outer2)
pl1 = st_sf(geom = st_sfc(st_polygon(pts1)))
pl2 = st_sf(geom = st_sfc(st_polygon(pts2)))
mpl = st_sf(geom = st_combine(rbind(pl1, pl2)))
addPmToolbar(
mapview(mpl)@map,
targetGroup = "mpl"
)leafpm was designed to work as an editor in mapedit, so
you can get your edits back into the R session. For
instance,
#install.packages("mapedit")
library(mapedit)
drawFeatures(editor = "leafpm")Please note that the ‘leafpm’ project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.
This project has been realized with financial support from the
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.