All Questions
1,851
questions
10
votes
1
answer
2k
views
Show Different Legend When Changing Layer - leaflet
I'm trying to make my leaflet map show no legend when both layers are selected, and when only one layer is selected show that layer's legend.
I found these solutions using Javascript:
How to switch ...
- 490
0
votes
1
answer
41
views
Can't add WMS layer to R Leaflet
I want to make a leaflet map in R with this wms servic : https://data.geopf.fr/wms-r/wms?VERSION=1.3.0
It works well in QGIS but not with addWMSTiles.
library(leaflet)
layer="ADMINEXPRESS-COG-...
- 1
2
votes
1
answer
1k
views
How to show path and distance on map with leaflet, shiny apps?
I would like to show the distance between two locations using the leaflet package in a shiny app.
I don't know how to do it. A line should connect two points on a map and display the distance on it.
...
15
votes
3
answers
12k
views
Leaflet Legend for Custom Markers in R
I have an R Shiny app that uses Leaflet to create an interactive map. On this map, a categorical variable is used to designate different kinds of points and is visualized using custom markers (...
- 168
1
vote
1
answer
3k
views
Delete Polygon from Leafletmap R/Shiny
I draw a Polygon on a leafletmap which I use in a shiny app.
Everytime an event is fired I want to delete the old polygon and draw the new one over it.
That does not work - I assume I use layerId ...
- 11.9k
0
votes
0
answers
23
views
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 ...
1
vote
1
answer
83
views
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 ...
- 19k
1
vote
1
answer
886
views
Problems scaling map. Shiny + leaflet
I can't have "full screen" map in my shiny app, because when I used "100%" parameter, the map disappears...
ui <- fluidPage(
leafletOutput("mymap", height = "...
- 748k
3
votes
1
answer
3k
views
Vary label color in R Leaflet
I have a data frame with a binary variable and xy coordinates. I can map the data with Leaflet and vary the color of the markers for each variable, but I want to know if I can also vary the label ...
- 8,429
1
vote
1
answer
92
views
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
1
vote
0
answers
64
views
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
0
votes
1
answer
233
views
Scrape leaflet map coordinates from a dynamic website
I am trying to scrape the marker coordinates from a website containing a leaflet map (osm data). I have been trawling the web for answers and it appears that a simple query to the parsed html will not ...
- 14k
15
votes
1
answer
6k
views
Click event on Leaflet tile map in Shiny
Is it possible to get the lat long from a click event in leaflet/shiny (in R) from the tile map? (i.e. NOT from any loaded markers, polygons etc). Just to show positional (lat/long) info i guess.
I ...
- 5,581
0
votes
0
answers
54
views
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) %&...
- 18.9k
0
votes
1
answer
102
views
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 ...
- 311