jsts
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A JavaScript library of spatial predicates and functions for processing geometry
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JavaScript
import Geometry from '../Geometry.js'
import GeometryCollection from '../GeometryCollection.js'
import ArrayList from '../../../../../java/util/ArrayList.js'
import GeometryFilter from '../GeometryFilter.js'
export default class GeometryExtracter {
constructor() {
GeometryExtracter.constructor_.apply(this, arguments)
}
static constructor_() {
this._geometryType = null
this._comps = null
const geometryType = arguments[0], comps = arguments[1]
this._geometryType = geometryType
this._comps = comps
}
static extract() {
if (arguments.length === 2) {
const geom = arguments[0], geometryType = arguments[1]
return GeometryExtracter.extract(geom, geometryType, new ArrayList())
} else if (arguments.length === 3) {
const geom = arguments[0], geometryType = arguments[1], list = arguments[2]
if (geom.getGeometryType() === geometryType)
list.add(geom)
else if (geom instanceof GeometryCollection)
geom.apply(new GeometryExtracter(geometryType, list))
return list
}
}
static isOfType(geom, geometryType) {
if (geom.getGeometryType() === geometryType) return true
if (geometryType === Geometry.TYPENAME_LINESTRING && geom.getGeometryType() === Geometry.TYPENAME_LINEARRING) return true
return false
}
filter(geom) {
if (this._geometryType === null || GeometryExtracter.isOfType(geom, this._geometryType)) this._comps.add(geom)
}
get interfaces_() {
return [GeometryFilter]
}
}