zzcyrus/maptalks.idwlayer

A small maptalks plugin to generate an IDW layer

maptalks-plugin-IdwLayer

A small maptalks plugin to generate an IDW interpolated map, based on Leaflet.idw by JoranBeaufort

Examples

Demo

Install

Just include the maptalks-IdwLayer.js/maptalks-Idwlayer.min.js from the dist folder:

<script src="maptalks-IdwLayer.js"></script>

Usage

var idw = new maptalks.IdwLayer('idw', data, {
    opacity: 0.3,
    cellSize: 10,
    exp: 2,
    max: 1200
}).addTo(map);

Constructor

new maptalks.IdwLayer(id, data, options)

• id String layer id

• data Array[] layer data: [[x, y, value], [x, y, value]..]

• options Object options

  • max Number maximum point values (1 by default)
  • exp Number exponent used for weighting(1 by default)
  • cellSize Number height and width of each cell(25 by default)
  • opacity Number the opacity of the IDW layer (0.3 by default)
  • gradient Object color gradient config, e.g. {0.4: 'blue', 0.65: 'lime', 1: 'red'} (demo by default)

• more infomation please check maptalks.Layer