All Questions
51
questions
0
votes
1
answer
83
views
Having google search images as leaflet popup
Recently I have been working with the package 'leaflet' in R.
I have already created my interactive map and so on, but I would prefer to style it up a bit.
My program recieves a list of Cities ...
- 101
0
votes
0
answers
40
views
When i knit my R markdown it doesn't show leaflet after running showing a Wordcloud
Basically when I knit the R markdown the file shows just the Wordcloud, and not the leaflet map.
If I invert the order everything works fine.
Any suggestion?
My chunks here:
library(tidytext)
library(...
- 1
-1
votes
1
answer
26
views
Lag in HTML Outputs within R
I found this post on stackoverflow to make an interactive map in R (second answer): Search button for Leaflet R map?
library(leaflet)
library(inlmisc)
df = read.csv(textConnection(
'Name, Lat, Long
&...
- 5,689
4
votes
1
answer
824
views
Customizing Leaflet Map Icons in R
I started to learn how to use the search features in leaflet maps - below is a leaflet map which allows you to search for a city (i.e. single search term):
library(leaflet)
library(leaflet.extras)
...
- 5,689
1
vote
1
answer
196
views
Adding "Breaks" in "htmlescape"
I am following this tutorial here (https://rstudio.github.io/leaflet/popups.html):
library(htmltools)
library(leaflet)
df <- read.csv(textConnection(
"Name,Lat,Long
Samurai Noodle,47....
- 5,689
1
vote
1
answer
27
views
Is "knitr" required for certain outputs in R?
I am trying to follow this post on stackoverflow (R Leaflet: Add a Range Slider to Filter Markers without Shiny). I copy and pasted the code below:
library( crosstalk )
library( leaflet )
library( ...
- 5,689
1
vote
1
answer
594
views
Making a leaflet map fullscreen in an RShiny dashboard
I'm working on creating an RShiny dashboard with a leaflet map; I want my map to be fullscreen, but I can't quite seem to get the borders/margins to go away. I have tried the solutions offered in a ...
- 127
5
votes
1
answer
444
views
Import data from a leaflet map as an sf object in R
I want to import data as an sf object in R from a leaflet map. The map is this site: https://erickgn.github.io/mapafc/ I also have the HTML from the map as following:https://raw.githubusercontent.com/...
- 125
1
vote
0
answers
126
views
Exporting R-leaflet applications as html with full source code
since updating my R verison, R-leaflet applications exported (e.g via saveWidget(map, "map.html", selfcontained = T) don't show the full source code any more but instead reverence different ...
- 11
0
votes
1
answer
106
views
How to pass a list of urls contained in a dataframe column into a leaflet map?
I want to make a map using leaflet so that the points in the map have popup notes. Each popup will have a clickable link to redirect to an Internet page. The URLs that will be inserted in such popups ...
- 152
1
vote
1
answer
592
views
How to make a click on R Leaflet state go to a url?
I'd like to build a map where when a state is clicked, it will open a hyperlink url in a new tab. I've been searching around for answers and can't quite get it to work for r leaflet. I believe I need ...
- 71
0
votes
2
answers
457
views
RShiny: Trying to centre my leaflet but I want the legend to stay left justified
I've searched around google and stack overflow but haven't found this question asked before.
Basically I want to centre my leafletOutput and have done so with this code:
UI <-fluidPage(
fluidRow(...
- 43
1
vote
1
answer
445
views
HTML code working in r leaflet for popups but not for labels
So I'm working with leaflet in R Studio and I'm trying to include some HTML code into the popups and labels of the icons.
I just can't figure out why it's working for the popups but not the labels.
...
- 43
0
votes
1
answer
246
views
R: Using browsable() in leaflet resulting in a smaller screen height
I build a leaflet in R like this:
my_leaflet <- my_data %>%
leaflet (options = leafletOptions(
-
) %>^%
addProvidersTiles(
-
)
setView(
-
) %>%
addMarkers (
--
) %>%
addCircleMarkers(
-
...
- 33
0
votes
0
answers
68
views
How do I get includeHTML to work inside multiple TabPanels?
I'm trying to include 2 HTML files in different tabPanel separations for a Shiny app. I do that, and one of the html files renders properly but the other one's widgets just do not display. Anyone know ...
- 31
1
vote
0
answers
215
views
R Leaflet - How to combine text and figure in popup?
I would like to combine text and a figure in a Leaflet Popup. I saw this on a website of Deutsche Bahn: Multi-Object-Popup
Website:
strecken.info
For me it would be sufficient to combine two of these ...
- 11
3
votes
1
answer
3k
views
Shiny R: How to make a Leaflet legend horizontal
I'm trying to make a horizontal legend in a Shiny app with a Leaflet map.
I can change the display to display: flex; using CSS which makes the legend horizontal but what I'm aiming at is something ...
2
votes
2
answers
1k
views
Leaflet maps not appearing in tabbed HTML document output from Rmarkdown
I've used R Markdown to create a HTML document with tabbed sections and each tab should include one Leaflet map. When I run the code, the Leaflet maps only appear in the first two tabs of the HTML ...
- 53
0
votes
1
answer
727
views
Creating label in leaflet map using htmltools produces tiny label
Creating a leaflet map. First step, specify the label. The code used on leaflet github puts
%>% lapply(htmltool::HTML)
after the sprintf() function. However, making it is creating the label as ...
- 3
7
votes
1
answer
2k
views
Center leaflet in a rmarkdown document
I want to create an html document with a centered leaflet widget inside it.
---
title: "Exemple"
author: "Antoine Bichat"
date: "31/08/2018"
output: html_document
---
```{r leaflet, fig.align="...
- 2,406
0
votes
1
answer
2k
views
Saving a leaflet map as an html file
I've created a leaflet map of corn yield in Kansas using USDA NASS data. The problem I'm running into is exporting the leaflet into an html file using the command:
htmlwidgets::saveWidget(...
- 557
1
vote
2
answers
3k
views
Post local image into a popup using leaflet and R
I've been trying like crazy to add local images (as in image files in my computer) into my leaflet map using R. I have plotted around 500 coordinates analyzing some images and I wish to show that ...
- 498
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
0
votes
1
answer
2k
views
Saving R leaflet-shiny interactive map as HTML executable file
Is there a way to save a leaflet-shiny script as a single executable HTML file? For example for a leaflet script you can use:
saveWidget(map, file = "mymap.html")
Then the html file will contain all ...
user8944445
1
vote
0
answers
359
views
R Leaflet HTML Formatting
Using Labels along with addCircleMarkers I want to customize the format of labels displayed. This is achieved with HTML as follows.
labels <- sprintf(
"<div style = 'width: 170px; word-wrap: ...
- 2,835
3
votes
1
answer
4k
views
labels in leaflet r with HTML tags
All good souls, help needed. I am creating a leaflet map and cannot resolve a strange issue with labels. I created labels with few variables and the labels render ok if the first variable is numeric, ...
- 479
0
votes
1
answer
429
views
r - Overlay fileInput on leaflet in shiny
I have a leaflet map in a shiny app. It takes a file from a user and plots that data. It's kind of ugly right now, though. I'd really like to have the fileInput to be overlaid on the leaflet map. In ...
- 391
6
votes
1
answer
15k
views
Customizing leaflet popup in R
I am using RStudio to create a choropleth leaflet map.
I have Country and Url as an attribute in the shapefile that I imported to R.
I wish to show the Country name and URL as a hyperlink within the ...
- 185
2
votes
1
answer
2k
views
Image in Leaflet marker popup in Shiny
When making maps in R using Leaflet I often use images in the marker popups by putting an html line. I would like to make a leaflet map in Shiny that allows the user to select photos to go into the ...
- 151
2
votes
3
answers
2k
views
Overlay Static Images on R Leaflet htmlwidget
It it possible to overlay an image to R leaflet maps - or perhaps in the leaflet html - that would stay fixed overtop the map itself?
That is, the image wouldn't be rendered on the map itself, but ...
- 127
1
vote
0
answers
277
views
R leaflet display the polygon label by default
I am new to the leaflet package.
I am trying to draw two types of polygons and let the user select them and see the borders. These polygons have labels and I want to display them by default. At the ...
- 1,115
3
votes
1
answer
1k
views
Is there a way to make leaflet map popup responsive on R?
I use this R code (data was changed) to create an html file that I keep on a server:
library(leaflet)
leaflet() %>%
addProviderTiles(providers$OpenStreetMap) %>%
setView(lng=2....
- 41
3
votes
1
answer
1k
views
How do I output leaflet map from R into format where I can edit using Leaflet commands?
I have some experience with using R for data manipulation and making maps with GIS software, so I just tried to make my first Leaflet map using the Leaflet for R package. Working off of tutorials I've ...
- 74
2
votes
1
answer
2k
views
Leaflet map won't render in browser
I have a map using Leaflet which works in the html output of r markdown, but the map won't render when I open the html in Google or IE. Ggmap works fine, but I'd prefer an interactive map. Any ideas?
...
- 1,560
1
vote
1
answer
1k
views
R: Make interactive maps that can be exported to HTML
I have been working with Leaflet for creating cool interactive maps in R. However, I cannot export the maps, as the background map ends up being grey after export.
library(leaflet)
library(...
- 3,622
2
votes
2
answers
2k
views
R leaflet - cannot export map
I plot a route on a map using R and leaflet :
ct <- read.csv("fl1.csv", stringsAsFactors=FALSE)
m <- leaflet(ct, incl.data=TRUE) %>% addTiles()
m %>% addPolylines(~longitude, ~latitude, ...
- 31
0
votes
0
answers
231
views
Make a local R leaflet html map connect to a dynamic online dataset
I'm working on a leaflet map in R. The coordinates presenting in this map is saved in a google sheet and I'm using read.csv to import the data into R.
Here is my sample code below:
geolocation <- ...
- 887
1
vote
1
answer
2k
views
Put Leaflet controls outside of map div in Shiny environment
Is it possible to move Leaflet controls outside of the map div in a Shiny environment?
Example:
From the following code:
library(shiny)
library(leaflet)
shinyApp(
ui <- fluidPage(
...
- 1,075
3
votes
3
answers
3k
views
Placing leaflet controls side-by-side instead of vertically stacked in R/Shiny with HTML/CSS
What I want to do is pretty simple: I want my leaflet controls to be aligned side-by-side in rows rather than vertically as columns (as leaflet automatically does).
Here is some short example code:
...
- 1,075
3
votes
2
answers
3k
views
Shiny - Control Widgets Inside Leaflet Map
I have a simple shiny-app with just a dropdown listing districts of Afghanistan and a leaflet map of the same.
The shape file can be accessed at this link - using AFG_adm2.shp from http://www.gadm....
- 483
8
votes
4
answers
4k
views
embed R leaflet map in wordpress
I have just created a simple interactive map using leaflet package in R. Something like this
leaflet() %>% addTiles()
Now I would like to embed it in my wordpress website.
I clicked on the ...
- 163
1
vote
1
answer
315
views
Why do Leaflet and DT widgets show blank screen if they are saved as HTML in R?
I'm on a Linux environment, and I'd like to make standalone HTML widgets in R using Leaflet and DT, and generating the HTML with htmlwidgets plugin. The problem is that when I try to open these ...
- 11
1
vote
1
answer
792
views
image not displaying in html string for addControl() from leaflet in R
I have the following code
myicon <- makeIcon( iconUrl = "myicon.ico" )
html_legend <- "<img src='myicon.ico'>hey<br/>"
map_leaflet <- leaflet() %>%
addTiles() %>%
...
- 1,427
2
votes
1
answer
1k
views
leaflet marker not displaying in certain contexts
I am using the leaflet htmlwidget implementation to draw a web-based map using R. I was looking for a specific marker, couldn't find it, and realized it wasn't being displayed at all. However, when I ...
- 25
1
vote
1
answer
2k
views
R, leaflet package, Passing a character vector of HTML tags to popups?
I'm trying to emulate the first example on https://rstudio.github.io/leaflet/popups.html but with a vector of html tags rather than one.
Example on https://rstudio.github.io/leaflet/popups.html:
...
0
votes
1
answer
454
views
Leaflet for R: CSS defined in header is not working inside leafletProxy
I'm using leaflet and shiny to create a small map with clusters. For that, I need to change the colours of the clusters, which I've done using code from a reply to this question. However, I cannot get ...
- 121
26
votes
4
answers
15k
views
Adjust size of leaflet map in rmarkdown html
I'd like to change the height and width of leaflet map outputs in html document. Is there a simple way to do this in R markdown without getting into whole CSS business?
```{r}
library(leaflet)
...
- 893
1
vote
1
answer
358
views
Edit map with "R for leaflet"
I have a script which allows me to generate a map with with "R for leaflet" :
library(htmlwidgets)
library(raster)
library(leaflet)
# PATHS TO INPUT / OUTPUT FILES
projectPath = "path"
#imgPath = ...
- 409
0
votes
1
answer
122
views
Rapache & R for leaflet
I'm trying to make a webpage with Rapache and "Leaflet for R". The main reason I did install Rapache is to use R inside of a html page (with brew). But, I cant figure out how to return my map inside ...
- 409
1
vote
1
answer
648
views
Using leaflet on shiny with HTML ui
I am trying to plot a dynamic map with leaflet on a shiny app using an HTML interface but when i get the map it is static
When doing it the simple way using only the R interface it works fine
Is there ...
- 2,346