mapgist: Make an interactive map to view in the browser as a Github gist

Description

You will be asked ot enter you Github credentials (username, password) during each session, but only once for each session. Alternatively, you could enter your credentials into your .Rprofile file with the entries

options(github.username = 'your_github_username')
options(github.password = 'your_github_password')

then mapgist will simply read those options.

mapgist has modified code from the rCharts package by Ramnath Vaidyanathan

Usage

mapgist(data, description = "", file = "gistmap", dir = NULL,
  browse = TRUE, ...)

Arguments

data

A data.frame, with any number of columns, but with at least the following: name (the taxonomic name), latitude (in dec. deg.), longitude (in dec. deg.)

description

Description for the Github gist, or leave to default (=no description)

file

File name (without file extension) for your geojson file. Default is 'gistmap'.

dir

Directory for storing file and reading it back in to create gist. If none is given, this function gets your working directory and uses that.

browse

If TRUE (default) the map opens in your default browser.

...

Further arguments passed on to spocc_stylegeojson

Value

Creates a gist on your Github account, and prints out where the geojson file was written on your machinee, the url for the gist, and an embed script in the console.

Examples

Run this code

spp <- c('Danaus plexippus','Accipiter striatus','Pinus contorta')
dat <- occ(spp, from='gbif', gbifopts=list(hasCoordinate=TRUE))
dat <- fixnames(dat)
df <- occ2df(dat)

# Define colors
mapgist(data=df, color=c('#976AAE','#6B944D','#BD5945'))

# Define colors and marker size
mapgist(data=df, color=c('#976AAE','#6B944D','#BD5945'), size=c('small','medium','large'))

# Define symbols
mapgist(data=df, symbol=c('park','zoo','garden'))

Run the code above in your browser using DataCamp Workspace