jsts
Version:
A JavaScript library of spatial predicates and functions for processing geometry
24 lines (23 loc) • 965 B
JavaScript
import FastSegmentSetIntersectionFinder from '../../noding/FastSegmentSetIntersectionFinder.js'
import SegmentStringUtil from '../../noding/SegmentStringUtil.js'
import PreparedLineStringIntersects from './PreparedLineStringIntersects.js'
import BasicPreparedGeometry from './BasicPreparedGeometry.js'
export default class PreparedLineString extends BasicPreparedGeometry {
constructor() {
super()
PreparedLineString.constructor_.apply(this, arguments)
}
static constructor_() {
this._segIntFinder = null
const line = arguments[0]
BasicPreparedGeometry.constructor_.call(this, line)
}
getIntersectionFinder() {
if (this._segIntFinder === null) this._segIntFinder = new FastSegmentSetIntersectionFinder(SegmentStringUtil.extractSegmentStrings(this.getGeometry()))
return this._segIntFinder
}
intersects(g) {
if (!this.envelopesIntersect(g)) return false
return PreparedLineStringIntersects.intersects(this, g)
}
}