0.1.0 • Published 7 years ago
leaflet-tilelayer-colorpicker v0.1.0
leaflet-tilelayer-colorpicker
A Leaflet TileLayer with getColor(latLng)
API
// factory
var layer = L.tilelayer.colorPicker(cors_enabled_url_template,options);
layer.addTo(map);
// getColor(latLng) returns Uint8Array ([r,g,b,a]) or null
var color = layer.getColor(map.getCenter());
var red = color[0];
var green = color[1];
var blue = color[2];
Preconditions
- CORS enabled Tiles are required.
crossOrigin
option is set to anonymous by default, DO NOT set to false manually.
Demo : display color under cursor
Demo : display elevation under cursor using Mapbox Terrain-RGB
See also : https://www.mapbox.com/blog/terrain-rgb/
Demo : display elevation under cursor using GSI's DEM PNG Tile
0.1.0
7 years ago