Thin Wrapper for Mapping Library 'AMap'('Gaode')

Build and control interactive 2D and 3D maps with 'R/Shiny'. Lean set of powerful commands wrapping native calls to 'AMap' < https://lbs.amap.com/api/jsapi-v2/summary/>. Deliver rich mapping functionality with minimal overhead.

amapro

A thin R wrapper around Javascript library AMap and its 3D plugin Loca.
API has eight(8) commands to enclose all AMap and Loca v.2.0 native commands and parameters.
Features easy transition 2D to/from 3D, variety of markers and layers, geoJson import, map manual drawing, dynamic 3D effects like flyover and trace animation, and more.
Enjoy rich interactive maps in R and Shiny with minimal overhead!

Installation

Use latest development version for optimal experience:

if (!requireNamespace('remotes')) install.packages('remotes')
remotes::install_github('helgasoft/amapro')

Examples

Minimal

library(amapro); am.init()

Extended

center <- c(22.430151, 37.073011)
turl <- paste0('http://server.arcgisonline.com/ArcGIS/rest/services/',
                 'World_Imagery/MapServer/tile/[z]/[y]/[x]')
helmet <- 'https://upload.wikimedia.org/wikipedia/commons/9/9d/Ancient_Greek_helmet.png'

library(amapro)
am.init(viewMode= '3D', center= center, zoom= 10, pitch= 60) |>
am.control(ctype= 'ControlBar', position= 'RT') |>
am.item('TileLayer', tileUrl= turl) |>
am.item('Marker', name='m$mark1', position= center, icon= helmet, 
  on= list(    # list of events handled with JavaScript
    list(e='click', f="function(e) { alert('Sparta coordinates: ' + e.lnglat);}"))
) |>
am.cmd('set', 'InfoWindow', name='m$iwin', content='This is Sparta') |>
am.cmd('open', 'm$iwin', 'm$jmap', center)   # m$jmap is the map name in JavaScript
# ... then open in browser for best performance