ol-glmp

A library for rendering massive data based on openlayer

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Installing

Using npm:

npm install ol-glmp

Example

Load a layer

import WebGLayer from "ol-glmp/layer/WebGLPolygon";
import Webc from "ol-glmp/source/Webc";
let layer = new WebGLayer({
    source: new Webc(),
       style: {
        // color setting   '#fff' or 'rgb(255,255,255)' or 'rgba(255,255,255,1)'
         color: "#ff0000"
       }
    });
// Openlayer add layer   see  https://openlayers.org/
var vectorSource = new Webc({
    loader: function(extent, resolution, projection) {
      var proj = projection.getCode();
      vectorSource.addFeatures(
          //Geojson data
          vectorSource.getFormat().readFeatures( data  , {
              featureProjection: projection
            })
          );
        }
    });
layer.setSource(vectorSource);
map.addLayer(layer);