All Questions
24
questions
20
votes
2
answers
29k
views
leaflet with R: add text labels
This code is taken from this page:
library(leaflet)
leaflet(data = quakes[1:20,]) %>% addTiles() %>%
addMarkers(~long, ~lat, popup = ~as.character(mag))
Instead of markers, is there any way ...
- 13.7k
5
votes
2
answers
1k
views
R: Connecting Dots on a Map
I am working with the R programming language.
Using the "leaflet" library, I made the following map for these 5 cities:
library(dplyr)
library(leaflet)
map_data <- data.frame("Lat&...
- 5,705
5
votes
1
answer
3k
views
Add "rgb" legend to R leaflet heatmap
I made some interactive heatmaps using leaflet (particularly the addHeatmap() command from the leaflet.extras package) and shiny. Having created a desired map, I would like to add a legend to it.
...
- 51
4
votes
1
answer
827
views
Customizing Leaflet Map Icons in R
I started to learn how to use the search features in leaflet maps - below is a leaflet map which allows you to search for a city (i.e. single search term):
library(leaflet)
library(leaflet.extras)
...
- 5,705
3
votes
2
answers
740
views
Combing Leaflet Maps Together
I generated these 2 random dataset about geographical coordinates (e.g. each point represents an imaginary restaurant in France):
id = 1:1000
long = 2.2945 + rnorm( 1000, 0.1085246 , 0.1)
...
- 5,705
2
votes
0
answers
187
views
Restricting Zoom Options in Leaflet Maps
I followed the tutorial here (https://rstudio.github.io/leaflet/) and made this map:
library(leaflet)
m <- leaflet() %>%
addTiles() %>% # Add default OpenStreetMap map tiles
addMarkers(...
- 5,705
2
votes
0
answers
865
views
leaflet legend for Custom Awesome Marker in R?
I need to add some custom marker legends to my leaflet map. So far, the closest solution I found is this. According to the solution in the link, I need to use the addControl() function.
First I ...
- 55
1
vote
1
answer
470
views
Adding geographic polygons via readOGR / addPolygon() with Leaflet in R
I've been following this tutorial, but for some reason I can't seem to get these borough polygons to show up in leaflet. If I do
plot(boroughs)
everything works fine, you can clearly see the ...
- 659
1
vote
1
answer
375
views
Simulating Geographical Points Around the Eiffel Tower
The coordinates of the Eiffel Tower are (Longitude: 48.8584° N, Latitude: 2.2945° E). I am interested in randomly generating 100 points that are located within a 12 KM radius of the Eiffel Tower. In ...
- 5,705
1
vote
1
answer
350
views
R: Joining Maps Together
I am working with the R programming language.
Using the "leaflet" library, I made the following 3 maps:
#load libraries
library(dplyr)
library(leaflet)
library(geosphere)
library(leafsync)
...
- 5,705
1
vote
1
answer
993
views
R: Making More "Noticeable" Labels in R Leaflet map
I made the following map in R (from a data frame with 5 points ordered from "1" to "5"):
library(dplyr)
library(leaflet)
map_data <- data.frame("Lat" = c(43.6426, 43....
- 5,705
1
vote
1
answer
573
views
Leaflet in R - Highlight Polygon on Click
Using the leaflet package in R, I'm looking to highlight / change fillColor of polygon upon click instead of hover.
This is in a Shiny app, so I have access to the reactive values, and knowledge of ...
- 125
1
vote
1
answer
71
views
Replacing "rdgal" with a Data Frame in R?
I found this R code (Search button for Leaflet R map?) and was able to make a interactive map in R:
library(inlmisc)
city <- rgdal::readOGR(system.file("extdata/city.geojson",
...
- 5,705
1
vote
1
answer
197
views
Adding "Breaks" in "htmlescape"
I am following this tutorial here (https://rstudio.github.io/leaflet/popups.html):
library(htmltools)
library(leaflet)
df <- read.csv(textConnection(
"Name,Lat,Long
Samurai Noodle,47....
- 5,705
1
vote
1
answer
124
views
Map vector group in specific order - R leaflet
I have a shapefile with polylines of routes in different years. Here is an example data shapefile with routes in the year 2000 and year 2013. I would like the map to show the older routes at the top ...
- 69