本文整理匯總了TypeScript中concaveman類的典型用法代碼示例。如果您正苦於以下問題:TypeScript concaveman類的具體用法?TypeScript concaveman怎麽用?TypeScript concaveman使用的例子?那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了concaveman類的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: concaveman
/// <reference path="./concaveman.d.ts" />
import * as concaveman from 'concaveman';
var points = [[10, 20], [30, 12.5]];
var polygon = concaveman(points);
示例2: require
import * as concaveman from 'concaveman'
import * as helpers from 'geojson-helpers'
import * as turf from '@turf/turf'
const data = './halifax-buildings.json'
const geojson: GeoJSON.FeatureCollection<any> = require(data)
const points: Array<Array<number>> = []
geojson.features.map(feature => {
turf.explode(feature).features.map(point => {
points.push(point.geometry.coordinates)
})
})
const extent = turf.polygon([concaveman(points)])
const buffer = turf.buffer(extent, 500, 'meters')
const simple: any = turf.simplify(buffer, 0.001, false)
helpers.writeFileSync('./extent.geojson', turf.featureCollection([extent]))
helpers.writeFileSync('./buffer.geojson', turf.featureCollection([buffer]))
helpers.writeFileSync('./simple.geojson', turf.featureCollection([simple]))