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Place circles at geocoder result using turf.circle
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset='utf-8' /> | |
| <title>Set a point after Geocoder result</title> | |
| <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' /> | |
| <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.44.1/mapbox-gl.js'></script> | |
| <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.44.1/mapbox-gl.css' rel='stylesheet' /> | |
| <script src='https://npmcdn.com/@turf/turf/turf.min.js'></script> | |
| <style> | |
| body { margin:0; padding:0; } | |
| #map { position:absolute; top:0; bottom:0; width:100%; } | |
| </style> | |
| </head> | |
| <body> | |
| <script src='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-geocoder/v2.1.1/mapbox-gl-geocoder.min.js'></script> | |
| <link rel='stylesheet' href='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-geocoder/v2.1.1/mapbox-gl-geocoder.css' type='text/css' /> | |
| <style> | |
| #geocoder-container > div { | |
| min-width:50%; | |
| margin-left:25%; | |
| } | |
| </style> | |
| <div id='map'></div> | |
| <script> | |
| mapboxgl.accessToken = 'pk.eyJ1IjoibWFsLXdvb2QiLCJhIjoiY2oyZ2t2em50MDAyMzJ3cnltMDFhb2NzdiJ9.X-D4Wvo5E5QxeP7K_I3O8w'; | |
| var map = new mapboxgl.Map({ | |
| container: 'map', | |
| style: 'mapbox://styles/mapbox/streets-v9', | |
| center: [-79.4512, 43.6568], | |
| zoom: 13 | |
| }); | |
| var geocoder = new MapboxGeocoder({ | |
| accessToken: mapboxgl.accessToken | |
| }); | |
| map.addControl(geocoder); | |
| // After the map style has loaded on the page, add a source layer and default | |
| // styling for a single point. | |
| map.on('load', function() { | |
| map.addSource('single-point', { | |
| "type": "geojson", | |
| "data": { | |
| "type": "FeatureCollection", | |
| "features": [] | |
| } | |
| }); | |
| map.addLayer({ | |
| "id": "point", | |
| "source": "single-point", | |
| "type": "circle", | |
| "paint": { | |
| "circle-radius": 10, | |
| "circle-color": "#007cbf" | |
| } | |
| }); | |
| // Listen for the `geocoder.input` event that is triggered when a user | |
| // makes a selection and add a symbol that matches the result. | |
| geocoder.on('result', function(ev) { | |
| map.getSource('single-point').setData(ev.result.geometry); | |
| console.log(ev.result.geometry) | |
| var center = { | |
| "type": "Feature", | |
| "properties": { | |
| "marker-color": "#0f0" | |
| }, | |
| "geometry": { | |
| "type": "Point", | |
| "coordinates": ev.result.geometry.coordinates | |
| } | |
| }; | |
| var radius = 2; | |
| var options = {steps: 100, units: 'kilometers', properties: {foo: 'bar'}}; | |
| var circle = turf.circle(center, radius, options); | |
| map.addLayer({ | |
| "id": "circle-outline", | |
| "type": "line", | |
| "source": { | |
| "type": "geojson", | |
| "data": circle | |
| }, | |
| "paint": { | |
| "line-color": "blue", | |
| "line-opacity": 0.5, | |
| "line-width": 10, | |
| "line-offset": 5 | |
| }, | |
| "layout": { | |
| } | |
| }); | |
| var radiusTwo = 4; | |
| var circleTwo = turf.circle(center, radiusTwo, options); | |
| map.addLayer({ | |
| "id": "circle-outline-two", | |
| "type": "line", | |
| "source": { | |
| "type": "geojson", | |
| "data": circleTwo | |
| }, | |
| "paint": { | |
| "line-color": "red", | |
| "line-opacity": 0.5, | |
| "line-width": 10, | |
| "line-offset": 5 | |
| }, | |
| "layout": { | |
| } | |
| }); | |
| var radiusThree = 6; | |
| var circleThree = turf.circle(center, radiusThree, options); | |
| map.addLayer({ | |
| "id": "circle-outline-three", | |
| "type": "line", | |
| "source": { | |
| "type": "geojson", | |
| "data": circleThree | |
| }, | |
| "paint": { | |
| "line-color": "green", | |
| "line-opacity": 0.5, | |
| "line-width": 10, | |
| "line-offset": 5 | |
| }, | |
| "layout": { | |
| } | |
| }); | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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