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bangalore-landuse-existingVproposed.html
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<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui' />
<title>Bangalore Dec2017 Existing vs Proposed Land Use Map</title>
<script src='lib/leaflet-src.js'></script>
<script src="lib/leaflet-side-by-side.min.js"></script>
<link href='lib/leaflet.css' rel='stylesheet' />
<link rel="stylesheet" href="lib/leaflet-slider.css"/>
<script src="lib/leaflet-slider.js"></script>
<style>
body {
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
margin: 0;
padding: 0;
}
#map {
position: absolute;
top: 0;
bottom: 0;
width: 100%;
}
#title_container, #left, #right {
z-index: 10000;
position: fixed;
background-color: rgba(0,0,0,0.5);
color: white;
padding: 5px;
}
#title_container {
left: 10px;
bottom: 10px;
}
#left {
left: 0px;
top: 300px;
}
#right {
right: 0px;
top: 300px;
}
#title_container a:link, #title_container a:visited {
color: white;
}
</style>
</head>
<body>
<div id="title_container">
<big>Bangalore Dec2017<br> Existing vs Proposed Land Use Map</big><br>
<small><a href="https://github.com/answerquest/answerquest.github.io/blob/master/bangalore-landuse-existingVproposed.html">Source code</a> | <a href="http://mapwarper.net/maps/25970#Preview_tab">Existing</a> | <a href="http://mapwarper.net/maps/26003#Preview_tab">Proposed</a> | <a href="http://datameet.org">Datameet</a>
<br>
By <a href="http://nikhilvj.cu.cc">Nikhil VJ</a> | <a href="https://www.instamojo.com/@nikhilvj/">Contribute</a>
</small>
</div>
<div id="left">Existing</div>
<div id="right">Proposed</div>
<div id='map'></div>
<script>
// ************************
// INITIAL
const osmLink = '<a href="http://openstreetmap.org">OpenStreetMap</a>',
mapboxUrl = 'https://{s}.tiles.mapbox.com/v3/{id}/{z}/{x}/{y}.png',
MBAttrib = '© ' + osmLink + ' Contributors & <a href="https://www.mapbox.com/about/maps/">Mapbox</a>';
var MBstreets = L.tileLayer(mapboxUrl, {id: 'nikhilsheth.m0mlpl2d', attribution: MBAttrib, maxZoom: 20}),
MBsatlabel = L.tileLayer(mapboxUrl, {id: 'nikhilsheth.m0mmaa87', attribution: MBAttrib}),
MBsat = L.tileLayer(mapboxUrl, {id: 'nikhilsheth.m0mni8e7', attribution: MBAttrib}),
MBlight = L.tileLayer(mapboxUrl, {id: 'nikhilsheth.m0mmobne', attribution: MBAttrib}),
MBdark = L.tileLayer(mapboxUrl, {id: 'nikhilsheth.jme9hi44', attribution: MBAttrib}),
OsmIndia = L.tileLayer(mapboxUrl, {id: 'openstreetmap.1b68f018', attribution: MBAttrib, maxZoom: 20}),
GithubLight = L.tileLayer('http://{s}.tiles.mapbox.com/v3/github.map-xgq2svrz/{z}/{x}/{y}.png', {attribution: MBAttrib}),
scenic = L.tileLayer('https://api.mapbox.com/styles/v1/nikhilsheth/cj8rdd7wu45nl2sps9teusbbr/tiles/256/{z}/{x}/{y}?access_token=pk.eyJ1IjoibmlraGlsc2hldGgiLCJhIjoiQTREVlJuOCJ9.YpMpVVbkxOFZW-bEq1_LIw', {attribution: MBAttrib}) ;
var baseLayers = {
"OpenStreetMap.IN": OsmIndia,
"Mapbox Streets": MBstreets,
"Mapbox Satellite w/labels": MBsatlabel ,
"Mapbox Light": MBlight,
"Github Light" : GithubLight,
"Mapbox Dark" : MBdark,
"Scenic" : scenic
};
// *************************
var map = L.map('map', {layers: [MBsatlabel]}).setView([13.1, 77.594563], 11);
//var tileLayer = new L.TileLayer('https://api.mapbox.com/styles/v1/nikhilsheth/cj8rdd7wu45nl2sps9teusbbr/tiles/256/{z}/{x}/{y}?access_token=pk.eyJ1IjoibmlraGlsc2hldGgiLCJhIjoiQTREVlJuOCJ9.YpMpVVbkxOFZW-bEq1_LIw').addTo(map);
var overlays = { };
var layerControl = L.control.layers(baseLayers, overlays, {collapsed: true}).addTo(map);
var bangExisting = L.tileLayer('http://mapwarper.net/maps/tile/26003/{z}/{x}/{y}.png').addTo(map);
var bangProposed = L.tileLayer('http://mapwarper.net/maps/tile/25970/{z}/{x}/{y}.png').addTo(map);
layerControl.addOverlay(bangExisting , "Bangalore Existing");
layerControl.addOverlay(bangProposed , "Bangalore Proposed");
// Side by side : https://github.com/Eclipse1979/leaflet-slider
L.control.sideBySide(bangExisting, bangProposed).addTo(map);
// Slider : https://github.com/Eclipse1979/leaflet-slider
slider = L.control.slider(function(value) {
bangExisting.setOpacity(value/100);
bangProposed.setOpacity(value/100);
}, { // slider options
//orientation:'vertical',
position: 'bottomright',
size: '250px',
min: 0,
max: 100,
value: 80,
logo: 'O',
collapsed: false,
title: 'Set Opacity'
}
).addTo(map);
// Show lat-long
var popup = L.popup();
function onMapClick(e) {
//url = getTileURL(e.latlng.lat, e.latlng.lng, map.getZoom()); //integrated the tile solution from http://jsfiddle.net/84P9r/ with this popup.
popup
.setLatLng(e.latlng)
.setContent('Lat-Long: ' + e.latlng.lat.toFixed(4) + ',' + e.latlng.lng.toFixed(4) + '<br>Zoom: ' + map.getZoom() /*+ url*/)
.openOn(map);
}
map.on('click', onMapClick);
</script>
</body>
</html>