leafDraw: digitizing vector features using leaflet draw

In gisma/robubu: the rolling burning bus - whatever, it runs fine for now

Description

leafDraw is based on the leaflet draw plugin. It provides a bunch of leaflet maps as base layers for digitizing vector features.

Usage

leafDraw(mapCenter = c(50.80801, 8.72993), zoom = 15, line = TRUE,
  rectangle = TRUE, poly = TRUE, circle = TRUE, point = TRUE,
  remove = TRUE, position = "topright", maplayer = c("CartoDB.Positron",
  "OpenStreetMap", "Esri.WorldImagery", "Thunderforest.Landscape",
  "OpenTopoMap"), overlay = NULL, preset = "all", cex = 10, lwd = 2,
  alpha = 0.6, opacity = 0.7)

Arguments

zoom	initial zoom level
line	enable the draw tool line tool
poly	enable the draw polygon tool
circle	enable the draw circle tool
point	enable the draw point tool
remove	enable/disable the remove feature of the draw tool
position	place to put the toolbar (topright, topleft, bottomright, bottomleft)
maplayer	string as provided by leaflet-provider
overlay	optional sp object
preset	textstring "NULL" full draw version, "uav" for flightarea digitizing, "ext" for rectangles
mapcenter	c(lat,lon) central point of the leaflet map
intersection	enable/disable th possibility to overlay lines or polygons

Note

Yu can either save the digitized object to a json file or you ma grab the json string via the clipboard

Author(s)

Chris Reudenbach

Examples

# all features
leafDraw()

# preset for digitizing uav flight areas
leafDraw(preset="uav")

#' # preset for digitizing extents
leafDraw(preset="ext")

gisma/robubu documentation built on May 17, 2019, 5:28 a.m.