node-red-contrib-tak-registration
Version:
A Node-RED node to register to TAK and to help wrap files as datapackages to send to TAK
43 lines (40 loc) • 1.39 kB
JavaScript
import CoordinateList from '../../geom/CoordinateList'
import CoordinateArrays from '../../geom/CoordinateArrays'
import ArrayList from '../../../../../java/util/ArrayList'
export default class EdgeString {
constructor() {
EdgeString.constructor_.apply(this, arguments)
}
static constructor_() {
this._factory = null
this._directedEdges = new ArrayList()
this._coordinates = null
const factory = arguments[0]
this._factory = factory
}
getCoordinates() {
if (this._coordinates === null) {
let forwardDirectedEdges = 0
let reverseDirectedEdges = 0
const coordinateList = new CoordinateList()
for (let i = this._directedEdges.iterator(); i.hasNext(); ) {
const directedEdge = i.next()
if (directedEdge.getEdgeDirection())
forwardDirectedEdges++
else
reverseDirectedEdges++
coordinateList.add(directedEdge.getEdge().getLine().getCoordinates(), false, directedEdge.getEdgeDirection())
}
this._coordinates = coordinateList.toCoordinateArray()
if (reverseDirectedEdges > forwardDirectedEdges)
CoordinateArrays.reverse(this._coordinates)
}
return this._coordinates
}
toLineString() {
return this._factory.createLineString(this.getCoordinates())
}
add(directedEdge) {
this._directedEdges.add(directedEdge)
}
}