All Questions
40
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
6
votes
2
answers
14k
views
Draw a map of a specific country with leaflet
I would like to use the package leaflet with R to draw a map of a specific countries such as Italy, Spain, etc.
I checked the basic examples with the function setView() and I tried to give a vector ...
- 263
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&...
- 5,689
5
votes
1
answer
5k
views
time slider with leaflet/ R
I am currently working in R and I am using leaflet package to vizualize geospatial data, I would like to make an analysis over the time and display my map given a time slider
In R there is the ...
- 129
5
votes
2
answers
6k
views
How to plot country-based choropleths using leaflet R
World boundaries geo.json downloaded from here.https://github.com/johan/world.geo.json
I am trying to highlight 3 countries(in a world map view) and paint them in gradient color according to numbers ...
- 297
4
votes
2
answers
4k
views
Converting data.frame to SpatialPolygonsDataFrame
Here is the data for reproducible purposes:
structure(list(countyfp10 = c(1, 1, 1, 1, 3, 3, 3, 3, 5, 5, 5,
5, 7, 7, 7, 7), id = c(7417, 7418, 7419, 7420, 7421, 7422, 7423,
7424, 7425, 7426, 7427, ...
user9302275
4
votes
1
answer
958
views
How to rotate symbols (representing spatial point data) based on feature with tmap and sf?
I want to represent 2 ships on a map in an interactive way (leaflet based method) with some of their metadata as well. Naturally, metadata of a ship usually contains the heading of the vessel and the ...
4
votes
1
answer
824
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)
...
- 5,689
3
votes
2
answers
1k
views
how to plot multiple isochrone on leaflet map in R
i can plot one isochrone in R at a time using Rmapzen package with this code, each isochrone is generated as a sp object, is there any way to create multiple isochrone on the same map like the ...
- 3,417
2
votes
1
answer
4k
views
Animated marker moving and/or path trajectory with Leaflet and R
I am very excited the spatial abilities of Leaflet combined with R but I badly need the possibility to move around markers and/or draw paths over maps. As far as I see the Leaflet R package lacks this ...
- 1,168
2
votes
0
answers
176
views
How can I use Leaflet (in R) to smoothly pan/zoom from one point to another point?
I am using flyTo() in leaflet (R), but I want to avoid how it zooms all the way out to world view before zooming in to the specified lat/lon. Is there a way to set the start point of the flyTo to ...
- 153
2
votes
0
answers
864
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
373
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 ...
- 5,689
1
vote
2
answers
664
views
How to make dynamic labels from a spatial polygons dataframe for Polygons on a Leaflet map in R
With this script, I am displaying a map with three isochrones. I would like the map to have labels containing the max time represented by each isochrone/polygon.
How should I reference the spatial ...
- 1,018
1
vote
1
answer
349
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)
...
- 5,689