jsts
Version:
A JavaScript library of spatial predicates and functions for processing geometry
34 lines (31 loc) • 1.03 kB
JavaScript
import NodedSegmentString from './NodedSegmentString.js'
import SinglePassNoder from './SinglePassNoder.js'
export default class SimpleNoder extends SinglePassNoder {
constructor() {
super()
SimpleNoder.constructor_.apply(this, arguments)
}
static constructor_() {
this._nodedSegStrings = null
}
getNodedSubstrings() {
return NodedSegmentString.getNodedSubstrings(this._nodedSegStrings)
}
computeIntersects(e0, e1) {
const pts0 = e0.getCoordinates()
const pts1 = e1.getCoordinates()
for (let i0 = 0; i0 < pts0.length - 1; i0++)
for (let i1 = 0; i1 < pts1.length - 1; i1++)
this._segInt.processIntersections(e0, i0, e1, i1)
}
computeNodes(inputSegStrings) {
this._nodedSegStrings = inputSegStrings
for (let i0 = inputSegStrings.iterator(); i0.hasNext(); ) {
const edge0 = i0.next()
for (let i1 = inputSegStrings.iterator(); i1.hasNext(); ) {
const edge1 = i1.next()
this.computeIntersects(edge0, edge1)
}
}
}
}