leaflet | 易学教程

in R, leaflet don't reflect the latitude nor longitude?

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问题 in an attempt to create map like this one with my data frame and filters I found leaflet doesn't reflect any of the long. or lat. accordingly no pop up to show.dataset & css the code library(shiny) library(dplyr) library(leaflet) library(readr) CBdata <- read_csv("/cloud/project/TESTLEAF/www/cblnglt.csv") df0<- data.frame("cho"=c("No schooling completed","vocational","Bachelor","Post Graduate ","Single","Married","Divorced","others","male","female","under_20","21_30","31_39","31_40","41_50",

Data-toggle tab does not download Leaflet map

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问题 I am using tabs to display clear content, but one of them stopped downloading well since it is in the data-toggle tab. It is a Leaflet map. Here is the code : Navbar code : <ul class="nav nav-tabs"> <li class="active"><a data-toggle="tab" href="#home">Données principales</a></li> <li><a data-toggle="tab" href="#carte">Carte</a></li> </ul> <div class="tab-content"> <div id="home" class="tab-pane fade in active">Lorem ipsum</div> <div id="carte" class="tab-pane fade"> **//see script below\\** <

Data-toggle tab does not download Leaflet map

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Mapbox: Filtering out markers in a Leaflet Omnivore KML layer

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问题 I am exporting Google Directions routes as KML and displaying them on a Mapbox map by reading them with Omnivore and adding them to the map, The Google KML stores each route as two Places (the start and end points) and one LineString (the route). In Mapbox I would like to show only the routes, that is to filter out the markers somehow. I'm displaying markers out of my own database and the Google markers clutter it up. Here is my code. I change the styling of the LineStrings just to show that

Rendering coordinates on leaflet map view using ajax in ember

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问题 []I am trying to feed data (via an ajax call to a json file) to both a handlebars template and a leaflet map. With my current setup, the data reaches my handlebars template just fine, but doesn't render the coordinates data to the leaflet map. I suspect I am missing some basic piece of the ember.js puzzle. Would someone please advise me? HTML/Handlebars Templates: <!doctype html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no, minimal-ui">

How to zoom and change color in leaflet

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问题 I am using leaflet and leaflet-fusesearch. This is my code for pop up a box when searching for a line plotted in leaflet: var map = L.map('map').setView([1.3096622448984000, 103.7689017333800], 12); L.tileLayer('https://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}.png?access_token=token', { maxZoom: 18, attribution: 'Map data © <a href="http://openstreetmap.org">OpenStreetMap</a> contributors, ' + '<a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, ' + 'Imagery © <a href="http

How to clear all layers AND clear input checkboxes?

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问题 I am using LeafletJS and building a custom layers input control with checkboxes to toggle on/off the various map layers. My goal is to create a "clear all layers" button that, when clicked, will clear all the layers on the map AND remove all the checkmarks from the checkboxes. The problem: Toggling the layers off/on works fine when using the custom layers control, but I can't seem to figure out how to remove the checkmarks from the input boxes once the layers are removed from the map. Here is

Add a popup when clicked through to a 'plugin' pulsing marker in R Leaflet

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问题 I managed (with the help of SO) to put a pulsing marker from a plugin to a map with the R leaflet package with the following script : library(leaflet) library(htmltools) library(htmlwidgets) # This tells htmlwidgets about our plugin name, version, and # where to find the script. (There's also a stylesheet argument # if the plugin comes with CSS files.) esriPlugin <- htmlDependency("leaflet-icon-pulse",version = "1.0", src = "realtimemap/", script = "L.Icon.Pulse.js",stylesheet ="L.Icon.Pulse

Turf.within is not working

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问题 I have a function to get the nearest points (farmers) to a specific point(customer),i made a buffer around the customer with distance from the user then i am using turf.within to get all the points(farmers) inside this buffer. It works fine if i give the array of coordinates in the feature collection in the variable searchWithin ,but when i gave it as a variable (array) which is in this case the points of the buffer bufresult it doesn't work. function Find_Nearest() { //getting the orderid to

How to get focus to map marker when click on a link outside the map?

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问题 So, I have a map with the mapquest leaflet which showing few markers on it and have some popup messages. However, everything working well but underneath of the map I have one table where I am showing hotel number. so like this with link: <a href='#Hotel22'>Hotel 22</a><a href='#Hotel23'>Hotel 23</a><a href='#Hotel24'>Hotel 24</a> So, when any user click on #Hotel22 then it will direct take focus to map's particulare marker and open up the marker window. So that user will know that the Hotel