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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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'use strict'; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = undefined; var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck'); var _classCallCheck3 = _interopRequireDefault(_classCallCheck2); var _createClass2 = require('babel-runtime/helpers/createClass'); var _createClass3 = _interopRequireDefault(_createClass2); var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn'); var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2); var _get2 = require('babel-runtime/helpers/get'); var _get3 = _interopRequireDefault(_get2); var _inherits2 = require('babel-runtime/helpers/inherits'); var _inherits3 = _interopRequireDefault(_inherits2); var _extends2 = require('babel-runtime/helpers/extends'); var _extends3 = _interopRequireDefault(_extends2); var _deck = require('deck.gl'); var _luma = require('luma.gl'); var _shaderUtils = require('../layer-utils/shader-utils'); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } var defaultProps = (0, _extends3.default)({}, _deck.LineLayer.defaultProps, { // show arc if source is in brush brushSource: true, // show arc if target is in brush brushTarget: true, enableBrushing: true, getStrokeWidth: function getStrokeWidth(d) { return d.strokeWidth; }, getTargetColor: function getTargetColor(x) { return x.color || [0, 0, 0, 255]; }, strokeScale: 1, // brush radius in meters brushRadius: 100000, mousePosition: [0, 0] }); // 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. function addBrushingVsShader(vs) { var targetColorVs = (0, _shaderUtils.editShader)(vs, 'line target color vs', 'attribute vec4 instanceColors;', 'attribute vec4 instanceColors; attribute vec4 instanceTargetColors;'); var brushingVs = (0, _shaderUtils.editShader)(targetColorVs, 'line brushing vs', 'vec2 offset = getExtrusionOffset(target.xy - source.xy, positions.y);', 'vec2 offset = brushing_getExtrusionOffset(target.xy - source.xy, positions.y, project_uViewportSize, vec4(instanceSourcePositions.xy, instanceTargetPositions.xy), instanceWidths);'); return (0, _shaderUtils.editShader)(brushingVs, 'line color vs', 'vColor = vec4(instanceColors.rgb, instanceColors.a * opacity) / 255.;', 'vec4 color = mix(instanceColors, instanceTargetColors, positions.x) / 255.;' + 'vColor = vec4(color.rgb, color.a * opacity);'); } var LineBrushingLayer = function (_LineLayer) { (0, _inherits3.default)(LineBrushingLayer, _LineLayer); function LineBrushingLayer() { (0, _classCallCheck3.default)(this, LineBrushingLayer); return (0, _possibleConstructorReturn3.default)(this, (LineBrushingLayer.__proto__ || Object.getPrototypeOf(LineBrushingLayer)).apply(this, arguments)); } (0, _createClass3.default)(LineBrushingLayer, [{ key: 'getShaders', value: function getShaders() { var shaders = (0, _get3.default)(LineBrushingLayer.prototype.__proto__ || Object.getPrototypeOf(LineBrushingLayer.prototype), 'getShaders', this).call(this); // const addons = getExtrusion + isPicked + isPtInRange; return { // ...shaders, vs: addBrushingVsShader(shaders.vs), fs: shaders.fs, // vs: this.props.fp64 ? addons + vs64 : addons + vs, modules: shaders.modules.concat(['brushing']) }; } }, { key: 'initializeState', value: function initializeState() { (0, _get3.default)(LineBrushingLayer.prototype.__proto__ || Object.getPrototypeOf(LineBrushingLayer.prototype), 'initializeState', this).call(this); var attributeManager = this.state.attributeManager; attributeManager.addInstanced({ instanceTargetColors: { size: 4, type: _luma.GL.UNSIGNED_BYTE, accessor: 'getTargetColor', update: this.calculateInstanceTargetColors } }); } }, { key: 'draw', value: function draw(_ref) { var uniforms = _ref.uniforms; var _props = this.props, brushSource = _props.brushSource, brushTarget = _props.brushTarget, brushRadius = _props.brushRadius, enableBrushing = _props.enableBrushing, mousePosition = _props.mousePosition, strokeScale = _props.strokeScale; (0, _get3.default)(LineBrushingLayer.prototype.__proto__ || Object.getPrototypeOf(LineBrushingLayer.prototype), 'draw', this).call(this, { uniforms: (0, _extends3.default)({}, uniforms, { brushing_uBrushSource: brushSource ? 1 : 0, brushing_uBrushTarget: brushTarget ? 1 : 0, brushing_uBrushRadius: brushRadius, brushing_uEnableBrushing: enableBrushing ? 1 : 0, brushing_uStrokeScale: strokeScale, brushing_uMousePosition: mousePosition ? new Float32Array(this.unproject(mousePosition)) : defaultProps.mousePosition }) }); } }, { key: 'calculateInstanceTargetColors', value: function calculateInstanceTargetColors(attribute) { var _props2 = this.props, data = _props2.data, getTargetColor = _props2.getTargetColor; var value = attribute.value, size = attribute.size; var i = 0; var _iteratorNormalCompletion = true; var _didIteratorError = false; var _iteratorError = undefined; try { for (var _iterator = data[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) { var object = _step.value; var color = getTargetColor(object); value[i + 0] = color[0]; value[i + 1] = color[1]; value[i + 2] = color[2]; value[i + 3] = isNaN(color[3]) ? 255 : color[3]; i += size; } } catch (err) { _didIteratorError = true; _iteratorError = err; } finally { try { if (!_iteratorNormalCompletion && _iterator.return) { _iterator.return(); } } finally { if (_didIteratorError) { throw _iteratorError; } } } } }]); return LineBrushingLayer; }(_deck.LineLayer); exports.default = LineBrushingLayer; 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IN NO EVENT SHALL THE\n// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n// THE SOFTWARE.\n\nimport {LineLayer} from 'deck.gl';\nimport {GL} from 'luma.gl';\nimport {editShader} from 'deckgl-layers/layer-utils/shader-utils';\n\nconst defaultProps = {\n  ...LineLayer.defaultProps,\n  // show arc if source is in brush\n  brushSource: true,\n  // show arc if target is in brush\n  brushTarget: true,\n  enableBrushing: true,\n  getStrokeWidth: d => d.strokeWidth,\n  getTargetColor: x => x.color || [0, 0, 0, 255],\n  strokeScale: 1,\n\n  // brush radius in meters\n  brushRadius: 100000,\n  mousePosition: [0, 0]\n};\n\nfunction addBrushingVsShader(vs) {\n  const targetColorVs = editShader(\n    vs,\n    'line target color vs',\n    'attribute vec4 instanceColors;',\n    'attribute vec4 instanceColors; attribute vec4 instanceTargetColors;'\n  );\n\n  const brushingVs = editShader(\n    targetColorVs,\n    'line brushing vs',\n    'vec2 offset = getExtrusionOffset(target.xy - source.xy, positions.y);',\n    'vec2 offset = brushing_getExtrusionOffset(target.xy - source.xy, positions.y, project_uViewportSize, vec4(instanceSourcePositions.xy, instanceTargetPositions.xy), instanceWidths);'\n  );\n\n  return editShader(\n    brushingVs,\n    'line color vs',\n    'vColor = vec4(instanceColors.rgb, instanceColors.a * opacity) / 255.;',\n    `vec4 color = mix(instanceColors, instanceTargetColors, positions.x) / 255.;` +\n    `vColor = vec4(color.rgb, color.a * opacity);`\n  )\n}\n\nexport default class LineBrushingLayer extends LineLayer {\n  getShaders() {\n    const shaders = super.getShaders();\n    // const addons = getExtrusion + isPicked + isPtInRange;\n\n    return {\n      // ...shaders,\n      vs: addBrushingVsShader(shaders.vs),\n      fs: shaders.fs,\n      // vs: this.props.fp64 ? addons + vs64 : addons + vs,\n      modules: shaders.modules.concat(['brushing'])\n    };\n  }\n\n  initializeState() {\n    super.initializeState();\n    const {attributeManager} = this.state;\n    attributeManager.addInstanced({\n      instanceTargetColors: {\n        size: 4,\n        type: GL.UNSIGNED_BYTE,\n        accessor: 'getTargetColor',\n        update: this.calculateInstanceTargetColors\n      }\n    });\n  }\n\n  draw({uniforms}) {\n    const {\n      brushSource,\n      brushTarget,\n      brushRadius,\n      enableBrushing,\n      mousePosition,\n      strokeScale\n    } = this.props;\n\n    super.draw({\n      uniforms: {\n        ...uniforms,\n        brushing_uBrushSource: brushSource ? 1 : 0,\n        brushing_uBrushTarget: brushTarget ? 1 : 0,\n        brushing_uBrushRadius: brushRadius,\n        brushing_uEnableBrushing: enableBrushing ? 1 : 0,\n        brushing_uStrokeScale: strokeScale,\n        brushing_uMousePosition: mousePosition\n          ? new Float32Array(this.unproject(mousePosition))\n          : defaultProps.mousePosition\n      }\n    });\n  }\n\n  calculateInstanceTargetColors(attribute) {\n    const {data, getTargetColor} = this.props;\n    const {value, size} = attribute;\n    let i = 0;\n    for (const object of data) {\n      const color = getTargetColor(object);\n      value[i + 0] = color[0];\n      value[i + 1] = color[1];\n      value[i + 2] = color[2];\n      value[i + 3] = isNaN(color[3]) ? 255 : color[3];\n      i += size;\n    }\n  }\n}\n\nLineBrushingLayer.layerName = 'LineBrushingLayer';\nLineBrushingLayer.defaultProps = defaultProps;\n"]}