6.png
const { Polygon, Graphic, geometryEngine } = await loadModules(
"esri/geometry/Polygon",
"esri/Graphic",
"esri/geometry/geometryEngine"
);
let _GraLayer = [];
rings.oneGeo.forEach(ring => {
let rangeGeometry = new Polygon(ring);
rangeGeometry.spatialReference = this.mapView.spatialReference;
let garphic = new Graphic(rangeGeometry);
_GraLayer.push(garphic);
}, this);
let numPoly = [];
rings.numGeo.forEach(ring => {
ring.forEach(rin => {
let rangeGeometry = new Polygon(rin);
rangeGeometry.spatialReference = this.mapView.spatialReference;
numPoly.push(rangeGeometry);
}, this);
let baseGeo = numPoly[0];
let txt;
numPoly.splice(0, 1);
for (let i = 0; i < numPoly.length; i++) {
txt = geometryEngine.difference(baseGeo, numPoly[i]);
baseGeo = txt;
}
let garphic = new Graphic(txt);
_GraLayer.push(garphic);
}, this);
