All Questions
39
questions
1
vote
2
answers
1k
views
Cannot display mapview output after installing R 4.0.0
After I installed the R 4.0.0, I cannot display the mapview output in the viewer of RStudio. It would be great if someone can give me some hints to solve this.
Here is an example code.
library(...
- 39k
1
vote
1
answer
1k
views
Leaflet maps not working in R Studio after R 4.0.0 upgrade
I updated my computer the other day (R, R Tools, and RStudio), and leaflet stopped working.
When I run this example in the RGUI it's very slow, but eventually it opens a web page in a browser.
...
- 3,700
1
vote
0
answers
11
views
Install R packages (leaflet and flexdashboard) on an AWS instance [duplicate]
I have recently started using AWS servers to launch R instances.
However, I can't seem to install these following packages : flexdashboard and leaflet.
> install.packages("flexdashboard")
Warning ...
- 25
1
vote
1
answer
966
views
Leaflet Marker Color Changes Reactive to varSelectInput in Shiny
I am attempting to produce a Leaflet map in which the marker colors change based on the user selecting a variable from the data set using varSelectInput(). Below is the reprex as well as what I have ...
- 53
1
vote
0
answers
2k
views
Local icons not loading, empty image in r leaflet
I am not able to display links to local images with addControl.
At first I thought my problem was the same as this question: Icons not loading (empty image) in R Leaflet with Shiny. However, I ...
- 3,700
0
votes
1
answer
1k
views
Shiny app doesn't work on shinyapps.io, but works in rstudio
The app is currently hosted on shinyapps here: https://njed.shinyapps.io/race_seg_gap_map/
There is no error message (I checked shinyapp logs) and memory usage doesn't go above 100mb.
The points ...
- 642
4
votes
1
answer
1k
views
R shiny server + leaflet Memory leak
Background
I have to create a prototype map based dashboard for a project. I decided on R shiny, as it had the best data management for my data, and easy to use. I use Leaflet in combination with ...
- 43
5
votes
3
answers
3k
views
Leaflet Map not rendering in Rmarkdown, R Notebook when opened in browser
For some reason, I can view the leaflet map in the RStudio viewer, but not in a browser, even a very basic map.
```{r, echo=FALSE, warning=FALSE}
library(leaflet)
m <- leaflet() %>% addTiles()
...
- 798
1
vote
1
answer
2k
views
Create a GeoTiff from leaflet map
I'm trying to create a GeoTiff from a leaflet map. I've tried to find answers to this online but non of them seem to work for me. I'm quite new with using R.
The geodata is a 2000*10 matrix where the ...
- 13
1
vote
1
answer
567
views
Add custom information in popup labels: geoExploreR
I am new to Shiny, and I am playing with geoExplorer. This app combines reactive ggvis and Leaflet.
When you click in a data point, there is a popup label including information on the input ...
- 11
1
vote
0
answers
387
views
Leaflet R coordinate
I'm working with Rstudio to create a dynamic map. Currently, I'm learning how to use and code leaflet and I have a problem with coordinates. I'm following a basic tutorial that shows how to put a ...
- 11
0
votes
1
answer
712
views
Shiny app crash, issue with leaflet Shiny RStudio
i'm building shiny app, used leaflet to plot a map with markers and polygons.
At this point i have a map, with some markers and one polygon at time
This is part of my code, with this i can render a ...
- 103
1
vote
0
answers
160
views
Issue recreating coordinate transformation from Javascript leaflet map in R Leaflet
At the bottom is Javascript code and it manages to add a map in the Dutch coordinate system (Rijksdriehoekstelsel). I tried to remake it in Leaflet in R, but for some reason I only get a grey screen......
- 133
2
votes
2
answers
4k
views
Crosstalk: filter Polylines in Leaflet
I can't get crosstalk to work with leaflet and Polylines - here is an MWE:
library(crosstalk)
library(leaflet)
theta <- seq(0, 2*pi, len = 100)
dat <- data.frame(
lon = cos(theta),
lat = ...
- 675
5
votes
1
answer
742
views
Leaflet polygons losing colour when R Shiny app opened in web browser
I'm building a map using leaflet in R, to be deployed as a Shiny app. The Shiny app is working fine within RStudio, but when I open it in a web browser the polygons lose their colour. Everything else ...
- 288