Questions tagged [r-leaflet]
This R package makes it easy to integrate and control the open-source JavaScript Leaflet software in R.
r-leaflet
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How to visualize single points in shiny app mapview leaflet
I have a large dataset but I am providing 3 records to make this example reproducible with the minimum amount of data. I am able to show on leaflet all the 3 sites at once but I would like to show one ...
- 1,467
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0
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23
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R Leaflet - Problem Highlighting Features Underneath Layer
I am encountering a problem where I can't see highlighted features underneath a transparent top layer.
I have a simple map setup, where I have a US county choropleth layer with a transparent US state ...
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2
answers
64
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Read NativeLand JSON and plot in ggplot
I would like to add my own features to the map of Native Land:
> library(leaflet)
> library(sf)
> url = "https://native-land.ca/coordinates/indigenousTerritories.json"
...
- 49
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46
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How to use markers to call out points on an image?
I am currently working on a simple shiny app in R that is supposed to display an image of a fantasy map. That in itself is pretty simple, but I'd like to be able to place markers on the image, that ...
- 1
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58
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Issue with Capturing Drawn Polygons in Shiny App Using leaflet.extras
I'm working on a Shiny application where users can draw polygons on a Leaflet map, and I'm encountering an issue where the drawn polygons are not being captured or saved as expected. I'm using the ...
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104
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Make smooth contours in when using leaflet and tmaps in R
I am using the script below to make to make interactive leaflet map. However, the contours have sharp changes and are not smooth and round. How can I edit this code to achieve that?
The data and code ...
- 508
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83
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Is there a way to pop out a leaflet map in an R Shiny app into a new browser tab?
I'm making an R Shiny application that includes a leafletOutput map that maps certain datapoints from a filtered dataframe. Is there any way to expand that map to a full screen size in a new browser ...
- 23
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33
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Lines for a gpkg not being added to a map in leaflet in R, but lines plot fine in ggplot
I'm trying to plot lines from a gpkg using leaflet, but many of the lines are missing. I don't think it is a problem with the gpkg of sf, because all the lines plot fine when using ggplot. Here is ...
- 89
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92
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clusterOptions() displaying correct area of map but no markers or clusters
I am working on a Shiny app in R that creates a leaflet map and plots points.
Plotting the points by themselves works fine. The issue arises when I try to implement even the most basic clusters.
I can ...
- 11
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64
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Add time slider for a stack of rasters
I'm looking for a static HTML solution (no Shiny) to incorporate a timeslider for raster data in a leaflet.
leaflet.extras2::addTimeslider() requires the data argument to be "a Simple Feature ...
- 8,172
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54
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How to offset addStaticLabels using mapview or leaflet
How can the labels be moved up, down or to the sides. direction and offset seems to be ignored. I would like my labels to be moved to the bottom.
library(mapview);library(leafem)
mapview(franconia) %&...
- 1,467
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82
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Script does not run in Rstudio but runs well line by line
I tried the most basic code for leaflet in rstudio:
library(leaflet)
m <- leaflet()
m <- addTiles(m)
m <- addMarkers(m, lng=174.768, lat=-36.852, popup="The birthplace of R")
m
...
0
votes
1
answer
92
views
How to color a leaflet map by a categorical variable?
Using leaflet, how can I color the different areas based on 'NAME_ASCI' and show colors on a legend?
This works:
library(leaflet)
library(mapview)
m <- leaflet(franconia) %>%
addProviderTiles(&...
- 1,467
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53
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Issue with R Shiny dashboard with Leaflet.extras2 > addWMS not working
I am attempting to create a shiny dashboard with an embedded leaflet map. I want the user to be able to select a city from a dropdown where the leaflet map then automatically zooms to that city based ...
- 35
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102
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LabelOnlyMarkers in R Leaflet with specific colors
I want to build a leaflet map with CircleMarkers and LabelOnlyMarkers atop the circles. Labels and circles should have colors specified in a data.frame column.
The following does what I want, except ...
- 7,355