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kepler.gl

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kepler.gl is a webgl based application to visualize large scale location data in the browser

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// Copyright (c) 2018 Uber Technologies, Inc. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. import {ScatterplotLayer} from 'deck.gl'; import {Geometry, Model} from 'luma.gl'; import {GL} from 'luma.gl'; export default class ScatterplotIconLayer extends ScatterplotLayer { _getModel(gl) { // use default scatterplot shaders const shaders = this.getShaders(); const defaultPos = [-1, -1, 0, -1, 1, 0, 1, 1, 0, 1, -1, 0]; const {iconGeometry} = this.props; const geometry = iconGeometry ? new Geometry({ drawMode: GL.TRIANGLES, attributes: { positions: new Float32Array(iconGeometry) } }) : new Geometry({ drawMode: GL.TRIANGLE_FAN, attributes: { positions: new Float32Array(defaultPos) } }); return new Model(gl, { ...shaders, id: this.props.id, geometry, isInstanced: true, shaderCache: this.context.shaderCache }); } } ScatterplotIconLayer.layerName = 'ScatterplotIconLayer';