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[geo] add <CustomProjection />. fixes airbnb#433
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,144 @@ | ||
| import React from 'react'; | ||
| import * as topojson from 'topojson-client'; | ||
| import { scaleQuantize } from '@vx/scale'; | ||
| import { CustomProjection, Graticule } from '@vx/geo'; | ||
| import { | ||
| geoConicConformal, | ||
| geoTransverseMercator, | ||
| geoNaturalEarth1, | ||
| geoConicEquidistant, | ||
| geoOrthographic, | ||
| geoStereographic | ||
| } from 'd3-geo'; | ||
| import topology from '../../static/vx-geo/world-topo.json'; | ||
|
|
||
| const bg = '#252b7e'; | ||
| const purple = '#201c4e'; | ||
|
|
||
| const world = topojson.feature(topology, topology.objects.units); | ||
| const color = scaleQuantize({ | ||
| domain: [ | ||
| Math.min(...world.features.map(f => f.geometry.coordinates.length)), | ||
| Math.max(...world.features.map(f => f.geometry.coordinates.length)) | ||
| ], | ||
| range: [ | ||
| '#019ece', | ||
| '#f4448b', | ||
| '#fccf35', | ||
| '#82b75d', | ||
| '#b33c88', | ||
| '#fc5e2f', | ||
| '#f94b3a', | ||
| '#f63a48', | ||
| '#dde1fe', | ||
| '#8993f9', | ||
| '#b6c8fb', | ||
| '#65fe8d' | ||
| ] | ||
| }); | ||
|
|
||
| export default class GeoCustom extends React.Component { | ||
| constructor(props) { | ||
| super(props); | ||
| this.state = { projection: geoConicConformal, scaleFactor: 630 }; | ||
| this.handleSelect = this.handleSelect.bind(this); | ||
| this.handleSlider = this.handleSlider.bind(this); | ||
| } | ||
|
|
||
| handleSelect(event) { | ||
| const { value } = event.target; | ||
| let nextProjection; | ||
| if (value === '1') { | ||
| nextProjection = geoConicConformal; | ||
| } else if (value === '2') { | ||
| nextProjection = geoTransverseMercator; | ||
| } else if (value === '3') { | ||
| nextProjection = geoNaturalEarth1; | ||
| } else if (value === '4') { | ||
| nextProjection = geoOrthographic; | ||
| } else if (value === '5') { | ||
| nextProjection = geoStereographic; | ||
| } else if (value === '6') { | ||
| nextProjection = geoConicEquidistant; | ||
| } | ||
| this.setState({ projection: nextProjection }); | ||
| } | ||
|
|
||
| handleSlider(event) { | ||
| const { value } = event.target; | ||
| this.setState({ scaleFactor: value }); | ||
| } | ||
|
|
||
| render() { | ||
| const { width, height, events = false } = this.props; | ||
| const { projection, scaleFactor } = this.state; | ||
| if (width < 10) return <div />; | ||
|
|
||
| const centerX = width / 2; | ||
| const centerY = height / 2; | ||
| const scale = (width / scaleFactor) * 100; | ||
|
|
||
| return ( | ||
| <div> | ||
| <svg width={width} height={height}> | ||
| <rect x={0} y={0} width={width} height={height} fill={bg} rx={14} /> | ||
| <CustomProjection | ||
| projection={projection} | ||
| data={world.features} | ||
| scale={scale} | ||
| translate={[centerX, centerY]} | ||
| > | ||
| {customProjection => { | ||
| return ( | ||
| <g> | ||
| <Graticule graticule={g => customProjection.path(g)} stroke={purple} /> | ||
| {customProjection.features.map((feature, i) => { | ||
| const { feature: f } = feature; | ||
| return ( | ||
| <path | ||
| key={`map-feature-${i}`} | ||
| d={feature.path} | ||
| fill={color(f.geometry.coordinates.length)} | ||
| stroke={bg} | ||
| strokeWidth={0.5} | ||
| onClick={event => { | ||
| if (!events) return; | ||
| alert(`Clicked: ${f.properties.name} (${f.id})`); | ||
| }} | ||
| /> | ||
| ); | ||
| })} | ||
| </g> | ||
| ); | ||
| }} | ||
| </CustomProjection> | ||
| </svg> | ||
| <div> | ||
| <label> | ||
| projection:{' '} | ||
| <select onChange={this.handleSelect}> | ||
| <option value={1}>geoConicConformal</option> | ||
| <option value={2}>geoTransverseMercator</option> | ||
| <option value={3}>geoNaturalEarth1</option> | ||
| <option value={4}>geoOrthographic</option> | ||
| <option value={5}>geoStereographic</option> | ||
| <option value={6}>geoConicEquidistant</option> | ||
| </select> | ||
| </label> | ||
| <label> | ||
| {' '} | ||
| scale factor:{' '} | ||
| <input | ||
| onChange={this.handleSlider} | ||
| type="range" | ||
| defaultValue={scaleFactor} | ||
| max="1000" | ||
| min="100" | ||
| step={10} | ||
| /> | ||
| </label> | ||
| </div> | ||
| </div> | ||
| ); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| import React from 'react'; | ||
| import Show from '../components/show'; | ||
| import GeoCustom from '../components/tiles/geo-custom'; | ||
|
|
||
| export default () => { | ||
| return ( | ||
| <Show events component={GeoCustom} title="Geo Custom"> | ||
| {`import React from 'react'; | ||
| import * as topojson from 'topojson-client'; | ||
| import { scaleQuantize } from '@vx/scale'; | ||
| import { CustomProjection, Graticule } from '@vx/geo'; | ||
| import { | ||
| geoConicConformal, | ||
| geoTransverseMercator, | ||
| geoNaturalEarth1, | ||
| geoConicEquidistant, | ||
| geoOrthographic, | ||
| geoStereographic | ||
| } from 'd3-geo'; | ||
| import topology from '../../static/vx-geo/world-topo.json'; | ||
| const bg = '#252b7e'; | ||
| const purple = '#201c4e'; | ||
| const world = topojson.feature(topology, topology.objects.units); | ||
| const color = scaleQuantize({ | ||
| domain: [ | ||
| Math.min(...world.features.map(f => f.geometry.coordinates.length)), | ||
| Math.max(...world.features.map(f => f.geometry.coordinates.length)) | ||
| ], | ||
| range: [ | ||
| '#019ece', | ||
| '#f4448b', | ||
| '#fccf35', | ||
| '#82b75d', | ||
| '#b33c88', | ||
| '#fc5e2f', | ||
| '#f94b3a', | ||
| '#f63a48', | ||
| '#dde1fe', | ||
| '#8993f9', | ||
| '#b6c8fb', | ||
| '#65fe8d' | ||
| ] | ||
| }); | ||
| export default class GeoCustom extends React.Component { | ||
| constructor(props) { | ||
| super(props); | ||
| this.state = { projection: geoConicConformal, scaleFactor: 630 }; | ||
| this.handleSelect = this.handleSelect.bind(this); | ||
| this.handleSlider = this.handleSlider.bind(this); | ||
| } | ||
| handleSelect(event) { | ||
| const { value } = event.target; | ||
| let nextProjection; | ||
| if (value === '1') { | ||
| nextProjection = geoConicConformal; | ||
| } else if (value === '2') { | ||
| nextProjection = geoTransverseMercator; | ||
| } else if (value === '3') { | ||
| nextProjection = geoNaturalEarth1; | ||
| } else if (value === '4') { | ||
| nextProjection = geoOrthographic; | ||
| } else if (value === '5') { | ||
| nextProjection = geoStereographic; | ||
| } else if (value === '6') { | ||
| nextProjection = geoConicEquidistant; | ||
| } | ||
| this.setState({ projection: nextProjection }); | ||
| } | ||
| handleSlider(event) { | ||
| const { value } = event.target; | ||
| this.setState({ scaleFactor: value }); | ||
| } | ||
| render() { | ||
| const { width, height, events = false } = this.props; | ||
| const { projection, scaleFactor } = this.state; | ||
| const centerX = width / 2; | ||
| const centerY = height / 2; | ||
| const scale = (width / scaleFactor) * 100; | ||
| return ( | ||
| <div> | ||
| <svg width={width} height={height}> | ||
| <rect x={0} y={0} width={width} height={height} fill={bg} rx={14} /> | ||
| <CustomProjection | ||
| projection={projection} | ||
| data={world.features} | ||
| scale={scale} | ||
| translate={[centerX, centerY]} | ||
| > | ||
| {customProjection => { | ||
| return ( | ||
| <g> | ||
| <Graticule graticule={g => customProjection.path(g)} stroke={purple} /> | ||
| {customProjection.features.map((feature, i) => { | ||
| const { feature: f } = feature; | ||
| return ( | ||
| <path | ||
| key={\`map-feature-\${i}\`} | ||
| d={feature.path} | ||
| fill={color(f.geometry.coordinates.length)} | ||
| stroke={bg} | ||
| strokeWidth={0.5} | ||
| onClick={event => { | ||
| alert(\`Clicked: \${f.properties.name} (\${f.id})\`); | ||
| }} | ||
| /> | ||
| ); | ||
| })} | ||
| </g> | ||
| ); | ||
| }} | ||
| </CustomProjection> | ||
| </svg> | ||
| <div> | ||
| <label> | ||
| projection:{' '} | ||
| <select onChange={this.handleSelect}> | ||
| <option value={1}>geoConicConformal</option> | ||
| <option value={2}>geoTransverseMercator</option> | ||
| <option value={3}>geoNaturalEarth1</option> | ||
| <option value={4}>geoOrthographic</option> | ||
| <option value={5}>geoStereographic</option> | ||
| <option value={6}>geoConicEquidistant</option> | ||
| </select> | ||
| </label> | ||
| <label> | ||
| {' '} | ||
| scale factor:{' '} | ||
| <input | ||
| onChange={this.handleSlider} | ||
| type="range" | ||
| defaultValue={scaleFactor} | ||
| max="1000" | ||
| min="100" | ||
| step={10} | ||
| /> | ||
| </label> | ||
| </div> | ||
| </div> | ||
| ); | ||
| } | ||
| } | ||
| `} | ||
| </Show> | ||
| ); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| import React from 'react'; | ||
| import Projection from './Projection'; | ||
|
|
||
| /** | ||
| * All props pass through to `<Projection projection={customProjection} {...props} />` | ||
| */ | ||
| export default function CustomProjection(props) { | ||
| return <Projection {...props} />; | ||
| } |
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