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
42 lines • 1.47 kB
JavaScript
// index.ts
import { circle } from "@turf/circle";
import { lineArc } from "@turf/line-arc";
import { coordEach } from "@turf/meta";
import { isObject, polygon } from "@turf/helpers";
import { getCoords } from "@turf/invariant";
function sector(center, radius, bearing1, bearing2, options = {}) {
options = options || {};
if (!isObject(options)) throw new Error("options is invalid");
const properties = options.properties;
if (!center) throw new Error("center is required");
if (bearing1 === void 0 || bearing1 === null)
throw new Error("bearing1 is required");
if (bearing2 === void 0 || bearing2 === null)
throw new Error("bearing2 is required");
if (!radius) throw new Error("radius is required");
if (typeof options !== "object") throw new Error("options must be an object");
if (convertAngleTo360(bearing1) === convertAngleTo360(bearing2)) {
return circle(center, radius, options);
}
const coords = getCoords(center);
const arc = lineArc(center, radius, bearing1, bearing2, options);
const sliceCoords = [[coords]];
coordEach(arc, function(currentCoords) {
sliceCoords[0].push(currentCoords);
});
sliceCoords[0].push(coords);
return polygon(sliceCoords, properties);
}
function convertAngleTo360(alpha) {
let beta = alpha % 360;
if (beta < 0) {
beta += 360;
}
return beta;
}
var turf_sector_default = sector;
export {
turf_sector_default as default,
sector
};
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