node-red-contrib-tak-registration/node_modules/turf-jsts/src/org/locationtech/jts/operation/valid/SimpleNestedRingTester.js

A Node-RED node to register to TAK and to help wrap files as datapackages to send to TAK

import CGAlgorithms from '../../algorithm/CGAlgorithms'
import IsValidOp from './IsValidOp'
import ArrayList from '../../../../../java/util/ArrayList'
import Assert from '../../util/Assert'

export default class SimpleNestedRingTester {
  constructor () {
    this._graph = null
    this._rings = new ArrayList()
    this._nestedPt = null
    let graph = arguments[0]
    this._graph = graph
  }
  getNestedPoint () {
    return this._nestedPt
  }
  isNonNested () {
    for (var i = 0; i < this._rings.size(); i++) {
      var innerRing = this._rings.get(i)
      var innerRingPts = innerRing.getCoordinates()
      for (var j = 0; j < this._rings.size(); j++) {
        var searchRing = this._rings.get(j)
        var searchRingPts = searchRing.getCoordinates()
        if (innerRing === searchRing) continue
        if (!innerRing.getEnvelopeInternal().intersects(searchRing.getEnvelopeInternal())) continue
        var innerRingPt = IsValidOp.findPtNotNode(innerRingPts, searchRing, this._graph)
        Assert.isTrue(innerRingPt !== null, 'Unable to find a ring point not a node of the search ring')
        var isInside = CGAlgorithms.isPointInRing(innerRingPt, searchRingPts)
        if (isInside) {
          this._nestedPt = innerRingPt
          return false
        }
      }
    }
    return true
  }
  add (ring) {
    this._rings.add(ring)
  }
  interfaces_ () {
    return []
  }
  getClass () {
    return SimpleNestedRingTester
  }
}