7,612
edits
Changes
Jump to navigation
Jump to search
*Make sure you have downloaded the RgoogleMaps package.
** code: library(Rgooglemaps)
* Create a base map
**find geocode for center of desired map, adjust zoom as needed
**example code (for map of North America): newmap <- GetMap(center = c(39, -95), zoom = 3, destfile = "NorthAmerica.png")
*Transform addresses into geocode via http://www.geocodezip.com/v3_example_geo2.asp?addr1=United%20States%20of%20America&geocode=1
*Plot map, adjust variables
** example code: PlotOnStaticMap(newmap, lat = c(30.268606, 41.888519), lon = c(-97.740467, -87.63548), pch = 20, col = "red")
**lat=latitude; lon=longitude, pch = point style, color="color"
"Example Code"===Mapping with Leaflet=== [[Image:leaflet.png|200px|thumb|right|Interactive map on Leaflet]][[Image: marker.png|200px|thumb|right|Interactive map with Markers]] Leaflet is one of the most popular open-source JavaScript libraries for interactive maps. Chicago MSA w/ color by IndustryThis R package makes it easy to integrate and control Leaflet maps in R.
library(RgoogleMaps)Introduction: https://rstudio.github.io/leaflet/ <br>library(ggplot2)Markers: https://rstudio.github.io/leaflet/markers.html <br>library(colorspace)library(RColorBrewer)Github: https://github.com/rstudio/leaflet <br>
merged.Features*Interactive panning/zooming*Compose maps using arbitrary combinations of: *Map tiles *Markers *Polygons *Lines *Popups *GeoJSON*Create maps right from the R console or RStudio*Embed maps in knitr/R Markdown documents and Shiny apps*Easily render Spatial objects from the sp package, or data<- merge(Chicago.Adresses.for.geocode.v2, Chicago.Addresses.w.Industries, by="Name")frames with latitude/longitude columns*Use map bounds and mouse events to drive Shiny logic
newmap *Sample Code: SBDE <- GetMapread.csv("SBDE.csv") #Import the CSV file with your data set library(leaflet) #Use the leaflet library #data(center SBDE) m <- leaflet(data = cSBDE) %>% #Define your map with the data you specified earlier addTiles(41) %>% # Add default OpenStreetMap map tiles.92Make sure to use the %>% symbol! addMarkers(~longitude, ~latitude,-87popup = ~as.78character(link)) %>% #Add points on your map addLegend("bottomright", zoom colors= 11"#1878cd",GRAY labels= TRUE"Resources", destfile title= "chicago_test.pngHouston Small Biz Guide")#Add a legend m # Print map
col.list <- c("#EB6D2E","#EB6D2E", "#EB6D2E", "#00B2A9", "#516B66", "#00B2A9")
palette(col.list)
PlotOnStaticMap(newmap, lat=c(Chicago.Adresses.for.geocode.v2$Latitude),lon=c(Chicago.Adresses.for.geocode.v2$Longitude), pch=20, col=c(Chicago.Addresses.w.Industries$Industry))----
== Interactive Maps: ==Helpful links: http://www.r-bloggers.com/interactive-maps-for-the-web-in-r/<br>
no edit summary
{{Project|Has project output=|Has sponsor= Quick Guide McNair Center|Has title=Mapping on R|Has owner=Albert Nabiullin,|Has keywords=Tool|Has project status=Complete}}== Interactive Maps==
===Other R Packages===
To find HEX codes for RGB colors: http://www.javascripter.net/faq/rgbtohex.htm
map <- plotGoogleMaps(polygons.plot,zoom=2,fitBounds=F,filename="Map_GoogleMaps_small.html",layerName="Economic Data",map="GoogleMap",mapCanvas="Map",map.width="800px",map.height="600px",control.width="200px",control.height="600px")
=== Quick Guide to Leaflet Alternatives ===
*Make sure you have downloaded the RgoogleMaps package.
** code: library(Rgooglemaps)
* Create a base map
**find geocode for center of desired map, adjust zoom as needed
**example code (for map of North America): newmap <- GetMap(center = c(39, -95), zoom = 3, destfile = "NorthAmerica.png")
*Transform addresses into geocode via http://www.geocodezip.com/v3_example_geo2.asp?addr1=United%20States%20of%20America&geocode=1
*Plot map, adjust variables
** example code: PlotOnStaticMap(newmap, lat = c(30.268606, 41.888519), lon = c(-97.740467, -87.63548), pch = 20, col = "red")
**lat=latitude; lon=longitude, pch = point style, color="color"
Example Code:
Chicago MSA w/ color by Industry
library(RgoogleMaps)
library(ggplot2)
library(colorspace)
library(RColorBrewer)
merged.data<- merge(Chicago.Adresses.for.geocode.v2, Chicago.Addresses.w.Industries, by="Name")
newmap <- GetMap(center = c(41.92,-87.78), zoom = 11,GRAY = TRUE, destfile = "chicago_test.png")
col.list <- c("#EB6D2E","#EB6D2E", "#EB6D2E", "#00B2A9", "#516B66", "#00B2A9")
palette(col.list)
PlotOnStaticMap(newmap, lat=c(Chicago.Adresses.for.geocode.v2$Latitude),lon=c(Chicago.Adresses.for.geocode.v2$Longitude), pch=20, col=c(Chicago.Addresses.w.Industries$Industry))
