Leaflet | Bits and pieces of collected Leaflet code
kandi X-RAY | Leaflet Summary
kandi X-RAY | Leaflet Summary
This repo contains bits and pieces of collected Leaflet code. Most of it was not written by me, but was published elsewhere and it’s convenient to keep it here. If you’re an author of one of these and want it removed, let me know. You may also want to check out some of my other projects that weren’t shelved into this folder: * L.TileLayer.Cordova @ * L.Control.BoxZoom @ * L.Control.Credits @
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Trending Discussions on Leaflet
QUESTION
I have a website which displays WMS data using Leaflet, and I've successfully set up a bootstrap datepicker where you can only select a date from an array of dates, using the beforeShowDay method.
I'm now trying to set up the datepicker so that when I change map layer on the website, the bootstrap datepicker will update its available dates from the newly updated list of layer dates (for the new layer). I've attempted to update the beforeShowDay function as in this answer and also tried to destroy and reinitialise the datepicker as seen here. Neither of these approaches worked.
Below is the code I'm using to set up the datepicker:
...ANSWER
Answered 2021-Jun-15 at 08:49There are two approaches you can take here :
Approach 1 : //remove your current dateTimePicker and re-initialize it with the new date range
QUESTION
I'm trying to simplify the code a bit and instead of using long "if/else" statement I testing to use a function with switch to be able to dynamically add named layerGroup to the Layer control in Leaflet. Styling works fine but trying to "addTo" using the same method does not work.... is this wrong way doing it or what is missing for it to work? It gives me error "TypeError: t.addLayer is not a function" and points error to the "addTo" line...
...ANSWER
Answered 2021-Jun-15 at 00:22Your switch case is returning a string of the name of the L.layerGroup you probably want to use:
QUESTION
I'm trying to get a bootstrap datepicker to work to update layer dates in my website. However, the problem that I am getting at the moment is that when I click on the datepicker box, the calendar dropdown isn't working at all and it just continues to display an empty box.
I'm trying to add the datepicker inside a Leaflet textbox control and add the HTML directly into an .innerHTML method. Below is the code for the Leaflet textbox control and the datepicker itself.
...ANSWER
Answered 2021-Jun-15 at 08:12The fix to this seemed to be to wrap the datepicker in a $(document).ready(function() { }) type function.
So the full datepicker function from above becomes:
QUESTION
I have been following the leaflets tutorial where it is guiding on how to build an Interactive Choropleth map. Not all things are entirely included and once in a while I have to go online in an attempt to tweak things to get the to work. I got this point where I was labeling the population density of the states and my legend does not show a range in the labels like in this map and instead looks like this (in photo below).
Below is my code that gives the legend above
...ANSWER
Answered 2021-Jun-14 at 13:29From that page you need to have the code starting from Custom Legend Control plus getColor function from Adding Some Color and its style. You are missing the relevant styles.
QUESTION
We have an Angular 11 application with strict mode turned on. It has these values in the compilerOptions configurtation in tsconfig.json:
ANSWER
Answered 2021-Mar-29 at 10:05Even though the @types are included in the leaflet and leaflet-geoman-free npm packages, you should be able to use the "as" keyword to tell TypeScript that an element is respectful of a certain interface / class.
QUESTION
I am making a shiny app that allows the user to upload a shapefile using the sf package. When I select the .shp file via the Browse window, I get an error. How can I allow the user to upload a shapefile, that then get it read by st_read' or readOGR. And, I don't know why st_read is going to C:\Users\Ed\AppData... as this is not location of the shapefile.
library(shiny) library(shinydahsboard) library(sf) UI
...ANSWER
Answered 2021-Apr-29 at 08:24ESRI shapefiles are known troublemakers, as they live over multiple files - the single *.shp file is not enough for your shiny app to work with.
Consider a solution proposed by user fiorepalombina on RStudio Community forum: https://community.rstudio.com/t/shinyfiles-and-shapefiles/89099
QUESTION
I'm using the following to animate the route being drawn in React Leaflet, which works nicely. However I'd like to use onAnimationEnd for the CSS. I can't figure out where to find the element and attach the eventListener.
ANSWER
Answered 2021-Jun-11 at 21:08You've set this up very nicely. Your RoutingMachine component is well written, and you already have your ref to it. Great. Let's examine RoutingMachineRef in the console:
As you can see, if you dig through, the svg path component can be found at RoutingMachineRef.current._line._layers[some_layer_id]._path. But watch out because sometimes leaflet routing machine will draw multiple layers (separate svg layers for rounded line caps, etc). You can actually access these dom elements directly through the RoutingMachineRef.
I'm not sure which one of these gets the .animate css class in your code, but you can probably just add your event listener to each of these. I imagine only one of them is going to actually animate (potentially a problematic assumption there), so the event listener will only fire once, when the one that has the .animate class stops animating:
QUESTION
Nuxtjs using vuetify throwing lots of error Using / for division is deprecated and will be removed in Dart Sass 2.0.0. during yarn dev
Nuxtjs: v2.15.6 @nuxtjs/vuetify": "1.11.3", "sass": "1.32.8", "sass-loader": "10.2.0",
Anyone know how to fix it ?
...ANSWER
Answered 2021-Jun-01 at 05:16There's an issue with vuetify I think. But if you use yarn, you can use
QUESTION
I'm trying to link the list with the leaflet map. I want to click on a result card and see the marker on the map. I'm using fake data for now in json format. I would like a display like airbnb, list plus display the list on map.
This is the map file :
...ANSWER
Answered 2021-Jun-08 at 18:31- Create a state variable on
Resultcomp to keep track of the card item that holds thelat lnginfo - Pass it as a prop to
Mapboxcomp - On the
Mapboxcomp create a local variable to save the map instance and use it to change the map view every time you click on a card.
divider
QUESTION
I want to create a map with leaflet and give the user the opportunity to add a marker to that map from the user interface. The user shuld mark a point(market to th map). Then when the point is set I want to get the location (coordinates) of that marker and perform other operations. It should allow only one marker
...ANSWER
Answered 2021-May-27 at 20:59The Leaflet quick start guide has a section about dealing with events https://leafletjs.com/examples/quick-start/ There you can see an example of adding a popup when clicking on the map:
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