All Questions
24
questions
1
vote
1
answer
73
views
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
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
0
votes
1
answer
89
views
In R leaflet interactive map, all my values get incorrectly displayed (while values inside data frames are all correct)
For some reason, despite the fact Syria in the dataframe has Value = 1, when I plot the map it shows up as 0.038 and is called Belarus... and all the other countries also get some crazy values and ...
1
vote
1
answer
599
views
Calculate average distance between all points in radius and reference point
I have spatial data and would like to create a new column in my dataframe that calculates the average distance to neighboring coordinates within a radius of my choice.
I found this code that gets me ...
- 879
0
votes
0
answers
40
views
How to reduce incremental zooms in leaflet?
I am making maps in leaflet and cannot change the zoom increment for some reason.
I don't have the option to use
var map = L.map('map', {
zoomSnap: 0.25
});
I also don't have these functions ...
- 27
4
votes
1
answer
475
views
Filter map by proximity to location
I have some postcode data alongside longitude and latitude data which I am using to plot certain types of crimes across the UK using the Leaflet package. I am trying to do this using Rshiny
I have ...
- 439
0
votes
0
answers
504
views
Add axis to leaflet map
How can you add an x and y axis to a leaflet map figure -- in the case of a map how to add the longitude and latitude?
For the figure below, how can axis be added please?
library(leaflet)
leaflet() %&...
- 2,393
0
votes
0
answers
238
views
How to Create Senate Roll Call Voting Map in R
I am looking to ultimately render a map in Leaflet that shows the roll call voting results for a specific vote from the Senate. This obviously involves coloring a state polygon based on the unique ...
- 81
1
vote
1
answer
569
views
R+Shiny+leaflet: aggregate values on map according to zoom level
Please consider the small example at the end of the post.
I simply put a lot of markers on a geographical map.
I would like to be able to do two things:
associate a value (simply a number) to each ...
- 1,461
0
votes
1
answer
487
views
R-Leaflet : Merged Shapefile and Excel appeared successful, but highlight label reveals that the 31 polygons are only filled w/ 4 repeating values
I am working on a map for my internship. I have the shapefile of the city of Villeneuve d'Ascq's subdivisions (referred to as "IRIS" in France) that I am mapping, and separate CSVs with various ...
13
votes
1
answer
10k
views
Plotting sf-type object in leaflet [r]
I would like to ask how to plot sf object in leaflet from leaflet package I am aware about mapview package that can plot it however I prefer using lealfet package.
I provided example down below:
...
- 1,757
0
votes
1
answer
1k
views
Custom palette with 2 colors and custom breakpoints in R leaflet - continuous variable
I am trying to create a custom palette with 2 colors(Red and Green) and custom breakpoints for my leaflet map. Currently I am using a single reds color palette.Mymap Which I have generated using ...
12
votes
2
answers
10k
views
How can I plot individual data points in a map using R/ leaflet?
I am trying to show the individual points in a given place, like a map equivalent of dot plot. I tried with leaflet library in R, but I am only able to map the size of the marker to the continuous ...
- 121
0
votes
0
answers
2k
views
R: adding title to a leaflet map and Saving as PDF
What is please the simples way to add title to a leaflet map object?
I would like to add title to a leaflet map that I have and also wanted to ask about saving as pdf.
When saving as pdf (in example)...
- 1,757
1
vote
0
answers
541
views
leaflet minichars group argument
I would like to ask,
Is there a group arguments for function from (leaflet.minicharts)? I am using function addFlows function and I am tryng to insert it into layer control, however since it doesnt ...
- 1,757