leaflet | 易学教程

Using KMZ file in Leaflet Map

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问题 I have to use KMZ files in my Leaflet Map. I found good plugins and tutorials to use KML files in Leaflet Maps but couldn't find a way to use KMZ files. One of the plugin for using KML is : Leaflet-Omnivore. For KML all I have to do is(My Leaflet Map is in my ExtJs Application) : var myMap = Ext.ComponentQuery.query("leaflet")[0]; myMap.getMap().addLayer(omnivore.kml('http://url/doc.kml')) Can any one guide me about how to use KMZ instead of KML in Leaflet? If it is not possible then is there

Using KMZ file in Leaflet Map

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Strange default size in leaflet map

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问题 I have taken a working Leaflet map, but when I added a JQuery Mobile header and back button the formatting went crazy. Initially loading the page all the contents is loaded in the upper-left-hand corner, but when the page is resized the smallest bit on a desktop, or rotated on a mobile, everything is fine. This is what it looks like when opened: and what it looks like after rotating (and what it should be): Here is the code for the page <!DOCTYPE html> <html> <head> <title>Toronto CAD

Zoomable Indoor Maps Witth Canvas Overlay LeafletJS

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问题 I have been trying to implement zoomable indoor maps (very similar to some seating charts that you see using LeafletJS). I have been able to take an indoor map and create map tiles out of it using maptiler as explained in this wonderful article: http://build-failed.blogspot.com/2012/11/zoomable-image-with-leaflet.html Now that I have the tiles, I would like to create Canvas polygons that define various hotspots on these tiles. Is there a way to do this? I have seen an example here: http://bl

Rails connecting to jBuilder

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问题 Chrome error: jquery.js:8678 GET http://localhost:3000/people/locations/location_data.geojson 404 (Not Found) send @ jquery.js:8678 ajax @ jquery.js:8327 jQuery.<computed> @ jquery.js:8464 getJSON @ jquery.js:8448 makeMapTwo @ mapPersonLeaflet.js:22 (anonymous) @ mapPersonLeaflet.js:10 I'm trying to get values through a has_many :through relationship. Three main databases: people, locations (which has street address and other information), and the join table, years which links the person to a

Leaflet legend for addAwesomeMarkers function with icons

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问题 Is there any way to create a leaflet legend for addAwesomeMarkers function with right colors and icons. For example, in the following map, I would like to create a legend given under the code. library(leaflet) IconSet <- awesomeIconList( ship = makeAwesomeIcon(icon= 'ship', markerColor = 'green', iconColor = 'white', library = "fa"), pirate = makeAwesomeIcon(icon= 'fire', markerColor = 'blue', iconColor = 'white', library = "fa") ) # Some fake data df <- sp::SpatialPointsDataFrame( cbind(

Adding google tiles with R

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问题 I'm using the leaflet package with R to generate interactive maps and I would like to use the Google Maps layer. However Google Maps are not available as an argument of the function addProviderTiles . How can I add these google layers with R ? Thank you very much ! 回答1: You are looking for a base map of from Google maps. Currently leaflet supports OpenStreetMap, MapQuestOpen, Stamen, Esri and OpenWeatherMap. If you have access to extra mapping, you can use a WMS tile to serve your own

Adding google tiles with R

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merging palettes with colorRampPalette and plotting with leaflet

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问题 I'm trying to merge two colorRampPalette schemes to use in leaflet and have been following this nice example. That example works fine but I can't seem to get it to work for my work, reproducible example below. I'm using RdYlGn palette and I want numbers below the threshold to be dark green and numbers above the threshold to more red (skipping some of the inner colors). For my example my cut-off is nc$PERIMETER < 1.3 so I want numbers under this value to be green and everything above more red

使用leaflet 制作离线地图

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https://github.com/dxxzst/OfflineMap <!DOCTYPE html> <html> <head> <title>Leaflet map</title> <meta charset="utf-8"/> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"> <link rel="stylesheet" href="dist/leaflet.css"/> <script src="dist/leaflet.js"></script> <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script> </head> <body> <div id="mainmap" style="min-height: 900px"></div> </body> </html> <script> $(function () { var mapcon = document.documentElement.clientHeight - 16 + 'px'; $("#mainmap").css('height', mapcon);