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199 changes: 199 additions & 0 deletions
199
superset/assets/src/visualizations/deckgl/layers/zipcodes.jsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,199 @@ | ||
| /* eslint no-underscore-dangle: ["error", { "allow": ["", "__timestamp"] }] */ | ||
|
|
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| import React from 'react'; | ||
| import ReactDOM from 'react-dom'; | ||
| import PropTypes from 'prop-types'; | ||
|
|
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| import { GeoJsonLayer } from 'deck.gl'; | ||
|
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| import AnimatableDeckGLContainer from '../AnimatableDeckGLContainer'; | ||
|
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| import * as common from './common'; | ||
| import { getPlaySliderParams } from '../../../modules/time'; | ||
| import sandboxedEval from '../../../modules/sandbox'; | ||
|
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| function getPoints(geojson) { | ||
| const points = []; | ||
| Object.values(geojson).forEach((geometry) => { | ||
| geometry.coordinates.forEach((polygon) => { | ||
| polygon.forEach((coordinates) => { | ||
| coordinates.forEach((point) => { | ||
| points.push(point); | ||
| }); | ||
| }); | ||
| }); | ||
| }); | ||
| return points; | ||
| } | ||
|
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| function getLayer(formData, payload, slice, filters) { | ||
| const fd = formData; | ||
| let data = payload.data.features.map(d => ({ ...d, geometry: payload.data.geojson[d.zipcode] })); | ||
| data = data.filter(d => d.geometry !== undefined); | ||
|
|
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| if (filters != null) { | ||
| filters.forEach((f) => { | ||
| data = data.filter(f); | ||
| }); | ||
| } | ||
|
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| // find values range | ||
| let minValue = Infinity; | ||
| let maxValue = -Infinity; | ||
| data.forEach((d) => { | ||
| if (d.geometry !== null) { | ||
| minValue = Math.min(minValue, d.metric); | ||
| maxValue = Math.max(maxValue, d.metric); | ||
| } | ||
| }); | ||
|
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||
| const c = fd.color_picker || { r: 0, g: 0, b: 0, a: 1 }; | ||
| data = data.map(d => ({ | ||
| ...d, | ||
| properties: { | ||
| color: [c.r, c.g, c.b, 255 * c.a * (d.metric - minValue) / (maxValue - minValue)], | ||
| metric: d.metric, | ||
| zipcode: d.zipcode, | ||
| }, | ||
| })); | ||
|
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| if (fd.js_data_mutator) { | ||
| // Applying user defined data mutator if defined | ||
| const jsFnMutator = sandboxedEval(fd.js_data_mutator); | ||
| data = jsFnMutator(data); | ||
| } | ||
|
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| const layerProps = common.commonLayerProps(fd, slice); | ||
| if (layerProps.onHover === undefined) { | ||
| layerProps.pickable = true; | ||
| layerProps.onHover = (o) => { | ||
| if (o.picked) { | ||
| slice.setTooltip({ | ||
| content: 'ZIP code: ' + o.object.zipcode + '<br />Metric: ' + o.object.metric, | ||
| x: o.x, | ||
| y: o.y + 75, // weird offset | ||
| }); | ||
| } else { | ||
| slice.setTooltip(null); | ||
| } | ||
| }; | ||
| } | ||
|
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||
| return new GeoJsonLayer({ | ||
| id: `zipcodes-layer-${fd.slice_id}`, | ||
| data, | ||
| pickable: true, | ||
| stroked: true, | ||
| filled: true, | ||
| extruded: false, | ||
| lineWidthScale: 20, | ||
| lineWidthMinPixels: 1, | ||
| getFillColor: d => d.properties.color, | ||
| getLineColor: [0, 0, 0, 100], | ||
| getRadius: 100, | ||
| getLineWidth: 1, | ||
| getElevation: 30, | ||
| ...layerProps, | ||
| }); | ||
| } | ||
|
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| const propTypes = { | ||
| slice: PropTypes.object.isRequired, | ||
| payload: PropTypes.object.isRequired, | ||
| setControlValue: PropTypes.func.isRequired, | ||
| viewport: PropTypes.object.isRequired, | ||
| }; | ||
|
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| class DeckGLZipCodes extends React.PureComponent { | ||
| /* eslint-disable-next-line react/sort-comp */ | ||
| static getDerivedStateFromProps(nextProps) { | ||
| const fd = nextProps.slice.formData; | ||
| const features = nextProps.payload.data.features || []; | ||
|
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| const timeGrain = fd.time_grain_sqla || fd.granularity || 'PT1M'; | ||
| const timestamps = features.map(f => f.__timestamp); | ||
| const { start, end, step, values, disabled } = getPlaySliderParams(timestamps, timeGrain); | ||
|
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| return { start, end, step, values, disabled }; | ||
| } | ||
| constructor(props) { | ||
| super(props); | ||
| this.state = DeckGLZipCodes.getDerivedStateFromProps(props); | ||
|
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| this.getLayers = this.getLayers.bind(this); | ||
| } | ||
| componentWillReceiveProps(nextProps) { | ||
| this.setState(DeckGLZipCodes.getDerivedStateFromProps(nextProps, this.state)); | ||
| } | ||
| getLayers(values) { | ||
| if (this.props.payload.data.features === undefined) { | ||
| return []; | ||
| } | ||
|
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| const filters = []; | ||
|
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| // time filter | ||
| if (values[0] === values[1] || values[1] === this.end) { | ||
| filters.push(d => d.__timestamp >= values[0] && d.__timestamp <= values[1]); | ||
| } else { | ||
| filters.push(d => d.__timestamp >= values[0] && d.__timestamp < values[1]); | ||
| } | ||
|
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| const layer = getLayer( | ||
| this.props.slice.formData, | ||
| this.props.payload, | ||
| this.props.slice, | ||
| filters); | ||
|
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||
| return [layer]; | ||
| } | ||
| render() { | ||
| return ( | ||
| <div> | ||
| <AnimatableDeckGLContainer | ||
| getLayers={this.getLayers} | ||
| start={this.state.start} | ||
| end={this.state.end} | ||
| step={this.state.step} | ||
| values={this.state.values} | ||
| disabled={this.state.disabled} | ||
| viewport={this.props.viewport} | ||
| mapboxApiAccessToken={this.props.payload.data.mapboxApiKey} | ||
| mapStyle={this.props.slice.formData.mapbox_style} | ||
| setControlValue={this.props.setControlValue} | ||
| aggregation | ||
| /> | ||
| </div> | ||
| ); | ||
| } | ||
| } | ||
|
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| DeckGLZipCodes.propTypes = propTypes; | ||
|
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| function deckZipCodes(slice, payload, setControlValue) { | ||
| const fd = slice.formData; | ||
| let viewport = { | ||
| ...fd.viewport, | ||
| width: slice.width(), | ||
| height: slice.height(), | ||
| }; | ||
|
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| if (fd.autozoom && payload.data.geojson) { | ||
| viewport = common.fitViewport(viewport, getPoints(payload.data.geojson)); | ||
| } | ||
|
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| ReactDOM.render( | ||
| <DeckGLZipCodes | ||
| slice={slice} | ||
| payload={payload} | ||
| setControlValue={setControlValue} | ||
| viewport={viewport} | ||
| />, | ||
| document.getElementById(slice.containerId), | ||
| ); | ||
| } | ||
|
|
||
| module.exports = { | ||
| default: deckZipCodes, | ||
| getLayer, | ||
| }; |
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