All Questions
27
questions
1
vote
1
answer
2k
views
Invert Y axis of L:CRS.Simple map on Vue2-Leaflet
I am developing a map application using L.CRS.Simple of Vue2-Leaflet, and I want to invert the y-axis of my map as explained in the Leaflet documentation. I found a similar question here, and it seems ...
- 73
6
votes
2
answers
2k
views
Use lasso instead Rectangle for select reign in Leaflet
I am trying to show a leaflet map using R(I can not use Shiny package). I use a 'DT', 'crosstalk' and 'leaflet' packages to calculate the mean of a column for selected data in map. In the map, it ...
- 557
11
votes
1
answer
1k
views
How to save a leaflet map with drawn shapes/points on it in Shiny?
This question is a follow-up to the questions How to save a leaflet map in Shiny, and Save leaflet map in Shiny.
I add a toolbar to draw shapes/points on the map that is addDrawToolbar in the ...
user7373139
10
votes
1
answer
544
views
Load Quarto html map data from json for Leaflet map generated in R
I have created a Quarto blog post which contains many leaflet maps, generated in R. As the data for each map is embedded within the html file, the file itself is very large. This is causing problems ...
- 16.6k
7
votes
1
answer
3k
views
Display layers at certain zoom levels in R Leaflet
I am working on an interactive map with the R package "leaflet".
I would like to change automatically the visible layers depending on the zoom level.
For example, I would like to have a polygon ...
6
votes
3
answers
1k
views
Does markercluster work together with leafletProxy() and option iconCreateFunction?
Am I doing something wrong, or why does the below example not work? I am trying to make leaflet markercluster plugin work with leafletProxy() in an R Shiny app, using the option iconCreateFunction. Is ...
- 1,723
9
votes
1
answer
6k
views
Circles in legend for leaflet map with addCircleMarkers in R - without shiny
I am creating a leaflet map in R - I don't need to build a shiny app, and haven't tackled that particular skill set yet!
I was trying to follow along with this post here to create circles in my ...
- 5,706
8
votes
1
answer
2k
views
Clicking a leaflet marker takes you to URL
Within the leaflet package for R, is there a way to click on a marker, and be directed to a URL?*
Here's the JS solution.
In R, to add a Popup with a URL:
library(leaflet)
content <- paste(sep =...
- 8,172
4
votes
1
answer
2k
views
Show layer in leaflet map in Shiny only when zoom level > 8 with LayersControl?
I want to show a layer only when its clicked in the LayersControl and the zoom level is greater than a certain number, e.g. 8. One of the reasons is, that some expensive computations must be performed ...
- 3,108
4
votes
3
answers
6k
views
Search button for Leaflet R map?
I'm using the leaflet library in R, which is a wrapper to the leaflet.js library. I'm wondering if it is possible to add a query or search button using the R interface (or some hack to the underlying ...
- 680
1
vote
2
answers
2k
views
Clustered leaflet markers with sum (not count) totals: how to get consistent round red shape and label format like in unclustered markers
I would like to modify the behavior of leaflet grouping feature to total on grouping and preserve a round red bubble shape dependent on value.
My data contains columns:
lon lat sales_ytd
I would ...
- 674
11
votes
3
answers
14k
views
Change the default position of zoom control in leaflet map of Shiny app
I am using Shiny app to create leaflet map, but want to change the default position of zoom control from topleft to topright.
R leaflet package sets the default position as topleft in the source ...
- 9,736
6
votes
3
answers
5k
views
Coordinates of current mouse position on leaflet map with shiny
I want to access the current mouse position in a leaflet map in shiny. When using shiny you can get the current coordinates of a click event using input$MAPID_click, which contains latitude and ...
- 3,108
5
votes
1
answer
3k
views
R shiny leaflet javascript addons - heatmap
Trying to use one of the javascript addons for leaflet - specifically the heatmap functionality - https://github.com/Leaflet/Leaflet.heat
Thing is - I want to incorporate this into Shiny, but leaflet ...
- 619
4
votes
2
answers
5k
views
R leaflet - Show/Hide addControl() element with group layers
I have a leaflet map which uses a custom legend using HTML and added using the addControl function (following: Leaflet Legend for Custom Markers in R).
However, I only want the legend to show when ...
- 199