Last active
March 16, 2017 12:59
-
-
Save rochoa/779532bf9e5360645332 to your computer and use it in GitHub Desktop.
[CARTO] Filter labels for different zoom levels
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<html> | |
<head> | |
<title>Leaflet multilayer example | CartoDB.js</title> | |
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> | |
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/> | |
<link rel="shortcut icon" href="http://cartodb.com/assets/favicon.ico" /> | |
<style> | |
html, body, #map { | |
height: 100%; | |
padding: 0; | |
margin: 0; | |
} | |
</style> | |
<style> | |
/* This will apply to all markers */ | |
#ne_10m_populated_places_simple_4{ | |
marker-fill-opacity: 1; | |
marker-width: 0; | |
marker-line-width: 0; | |
marker-fill: #000000; | |
marker-allow-overlap: true; | |
} | |
#ne_10m_populated_places_simple_4::labels { | |
text-name: ""; | |
text-face-name: "DejaVu Sans Book"; | |
text-size: 10; | |
text-label-position-tolerance: 0; | |
text-fill: #000; | |
text-halo-fill: #FFF; | |
text-halo-radius: 1; | |
text-dy: -4; | |
text-allow-overlap: true; | |
text-placement: point; | |
text-placement-type: dummy; | |
} | |
/* This will ONLY apply if rank_max>12 condition is true */ | |
[rank_max>12] { | |
#ne_10m_populated_places_simple_4{ | |
marker-width: 10; | |
marker-fill: #FF6600; | |
} | |
#ne_10m_populated_places_simple_4::labels { | |
text-name: [name]; | |
text-size: 14; | |
text-dy: -8; | |
} | |
} | |
/* This will apply for zoom higher or equal to 4 but ONLY when rank_max is 11 or 12 */ | |
[zoom>=4][rank_max>10][rank_max<=12]{ | |
#ne_10m_populated_places_simple_4{ | |
marker-width: 6; | |
marker-fill: #FFA300; | |
} | |
#ne_10m_populated_places_simple_4::labels { | |
text-name: [name]; | |
text-size: 12; | |
text-dy: -6; | |
} | |
} | |
/* This will apply for zoom higher or equal to 8 but ONLY for rank_max bellow 11 */ | |
[zoom>=8][rank_max>4][rank_max<=10] { | |
#ne_10m_populated_places_simple_4{ | |
marker-width: 4; | |
marker-fill: #229A00; | |
} | |
#ne_10m_populated_places_simple_4::labels { | |
text-name: [name]; | |
text-size: 10; | |
text-dy: -4; | |
} | |
} | |
</style> | |
<link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v3/themes/css/cartodb.css" /> | |
</head> | |
<body> | |
<div id="map"></div> | |
<!-- include cartodb.js library --> | |
<script src="http://libs.cartocdn.com/cartodb.js/v3/cartodb.js"></script> | |
<script> | |
function main() { | |
// create leaflet map | |
var map = L.map('map', { | |
zoomControl: false, | |
center: [43, 0], | |
zoom: 3 | |
}) | |
var style = [ | |
'#ne_10m_populated_places_simple_4{', | |
' marker-fill-opacity: 1;', | |
' marker-width: 0;', | |
' marker-line-width: 0;', | |
' marker-fill: #000000;', | |
' marker-allow-overlap: true;', | |
'}', | |
'#ne_10m_populated_places_simple_4::labels {', | |
' text-name: "";', | |
' text-face-name: "DejaVu Sans Book";', | |
' text-size: 10;', | |
' text-label-position-tolerance: 0;', | |
' text-fill: #000;', | |
' text-halo-fill: #FFF;', | |
' text-halo-radius: 1;', | |
' text-dy: -4;', | |
' text-allow-overlap: true;', | |
' text-placement: point;', | |
' text-placement-type: dummy;', | |
'}', | |
'', | |
'[rank_max>12] {', | |
' #ne_10m_populated_places_simple_4{', | |
' marker-width: 10;', | |
' marker-fill: #FF6600;', | |
' }', | |
' #ne_10m_populated_places_simple_4::labels {', | |
' text-name: [name];', | |
' text-size: 14;', | |
' text-dy: -8;', | |
' }', | |
'}', | |
'', | |
'[zoom>=4][rank_max>10][rank_max<=12]{', | |
' #ne_10m_populated_places_simple_4{', | |
' marker-width: 6;', | |
' marker-fill: #FFA300;', | |
' }', | |
' #ne_10m_populated_places_simple_4::labels {', | |
' text-name: [name];', | |
' text-size: 12;', | |
' text-dy: -6;', | |
' }', | |
'}', | |
'', | |
'[zoom>=8][rank_max>4][rank_max<=10] {', | |
' #ne_10m_populated_places_simple_4{', | |
' marker-width: 4;', | |
' marker-fill: #229A00;', | |
' }', | |
' #ne_10m_populated_places_simple_4::labels {', | |
' text-name: [name];', | |
' text-size: 10;', | |
' text-dy: -4;', | |
' }', | |
'}' | |
].join('\n'); | |
// add a base layer | |
L.tileLayer('http://{s}.basemaps.cartocdn.com/light_nolabels/{z}/{x}/{y}.png',{ | |
attribution: '© <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, © <a href="http://cartodb.com/attributions">CartoDB</a>' | |
}).addTo(map); | |
// add cartodb layer with one sublayer | |
cartodb.createLayer(map, { | |
user_name: 'rochoa', | |
type: 'cartodb', | |
sublayers: [{ | |
sql: "SELECT * FROM ne_populated_places", | |
cartocss: style, | |
cartocss_version:"2.3.0", | |
}] | |
}) | |
.addTo(map) | |
.done(function(layer) { | |
}); | |
} | |
// you could use $(window).load(main); | |
window.onload = main; | |
</script> | |
</body> | |
</html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment