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Leaflet API GeoJSON Error


Leaflet API GeoJSON Error

By : user2954652
Date : November 22 2020, 10:31 AM
will help you I am trying to load a GeoJSON file for an interactive map of West Virginia Counties but I am getting an error saying Uncaught ReferenceError: wvData is not defined on line 140. Can someone help me in figuring out how to resolve this? I am attaching my full code. , In the line
code :
geojson = L.geoJson(wvData, {
    style: style,
    onEachFeature: onEachFeature
}).addTo(map);


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Invalid GeoJSON error in Leaflet - Android

Invalid GeoJSON error in Leaflet - Android


By : T.Bone
Date : March 29 2020, 07:55 AM
I hope this helps you . i am working with Leaflet in Android.. I want to use GeoJSON with Leaflet.. , you try just delete single quotes from javascript function :)
Meteor.js - mongodb $near $geometry GeoJSON Point coordinates longitude limit - Leaflet.js geoJson

Meteor.js - mongodb $near $geometry GeoJSON Point coordinates longitude limit - Leaflet.js geoJson


By : Iftach Dafni
Date : March 29 2020, 07:55 AM
it fixes the issue Solved it!
It had to do with a seemingly unrelated Leaflet.js way of adding a marker to the map.
code :
 var location=L.marker(mark.geometry.coordinates).addTo(window.map);
 var location=L.geoJson(mark).addTo(window.map);
Leaflet : setting icon for GeoJSON layer from GeoJSON property

Leaflet : setting icon for GeoJSON layer from GeoJSON property


By : snake.new
Date : November 21 2020, 09:01 AM
this will help What happens here is that your passing a string not the icon instance. If you want to use a string to access javascript object properties you'll need to use bracket notation to access properties in a certain scope. If it's in global scope you could use: window[feature.properties.iconcategory] or this[feature.properties.iconcategory] but i'd recommend storing it a separate object. If you would do something like this:
code :
var icons = {
    'iconGreyHouse' = L.icon({iconUrl: "/markerIcons/house_icon_grey.png",iconSize: [20,20]}),
    'iconRedHouse' = L.icon({iconUrl: "/markerIcons/house_icon_red.png",iconSize: [20,20]}),
    ...
}
Leaflet.js - Tilelayer visible above geojson layer. GeoJSON interactivity issue

Leaflet.js - Tilelayer visible above geojson layer. GeoJSON interactivity issue


By : wnaw
Date : March 29 2020, 07:55 AM
around this issue You're not using the Leaflet library properly (e.g. manually appending a layer to a HTML container), assuming you will know the CSS class of the pane, etc).
Use this instead:
code :
map.createPane('labels');    
map.getPane('labels').style.zIndex = 1000;
map.getPane('labels').style.pointerEvents = 'none';

var positron = L.tileLayer('http://{s}.basemaps.cartocdn.com/light_nolabels/{z}/{x}/{y}.png', {
    attribution: '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, &copy; <a href="http://cartodb.com/attributions">CartoDB</a>'
}).addTo(map);

var positronLabels = L.tileLayer('http://{s}.basemaps.cartocdn.com/light_only_labels/{z}/{x}/{y}.png', {
    attribution: '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, &copy; <a href="http://cartodb.com/attributions">CartoDB</a>',
    pane: 'labels'
}).addTo(map);
Put a GeoJSON on a Leaflet map: Invalid GeoJSON object. throw new Error('Invalid GeoJSON object.');

Put a GeoJSON on a Leaflet map: Invalid GeoJSON object. throw new Error('Invalid GeoJSON object.');


By : dlenovo
Date : March 29 2020, 07:55 AM
seems to work fine The problem was about I tried to use a string as a JSON object.
The solutions is to use jQuery.parseJSON function to convert my string with my JSON code (addressPCN1) to a Javascript JSON object.
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