geoplex/icosahedron/vertex.js

Nested spherical triangles based on a regular icosahedron model of Earth; a library for use with rwt-orthographic-earth GIS layers

/* Copyright (c) 2022 Read Write Tools. */
import expect from'softlib/expect.js';export default class Vertex{constructor(t,e,i,s,r){expect(t,'IndexedCoordinates'),expect(e,'String'),expect(i,'Number'),expect(s,'Number'),expect(r,'Number'),this.indexedCoordinates=t,this.uid=e,this.terrasect=i,this.iceX=s,this.iceY=r,this.neighboringVertices=[],this.neighboringFaces=[]}get formattedID(){return`V(${this.uid})`}get longitude(){return this.indexedCoordinates.getLongitude(this.iceX)}get latitude(){return this.indexedCoordinates.getLatitude(this.iceY)}getPoint(t){return[this.longitude,this.latitude]}crossesDateline(t){return expect(t,'Vertex'),!(Math.abs(this.positiveLongitude-t.positiveLongitude)>180)&&(this.longitude>0&&t.longitude<0||this.longitude<0&&t.longitude>0)}get positiveLongitude(){return this.longitude>=0?this.longitude:this.longitude+360}accumulateVertexStatistics(t,e){for(expect(t,'Array');this.terrasect>t.length-1;)t.push(0);t[this.terrasect]++}}