@golemio/pid
Version:
Golemio PID Module
66 lines • 3.25 kB
JavaScript
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var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
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return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.GeoMeasurementHelper = void 0;
const golemio_errors_1 = require("@golemio/core/dist/shared/golemio-errors");
const tsyringe_1 = require("@golemio/core/dist/shared/tsyringe");
const cheap_ruler_1 = __importDefault(require("cheap-ruler"));
const APPROXIMATION_LATITUDE = 50.0;
let GeoMeasurementHelper = class GeoMeasurementHelper {
constructor() {
this.rulerInstanceDict = new Map();
}
/** Get distance in kilometers between two points */
getDistanceInKilometers(pointA, pointB) {
const validPointA = this.getValidPoint(pointA);
const validPointB = this.getValidPoint(pointB);
return this.getRulerInstance("kilometers").distance(validPointA, validPointB);
}
/** Get distance in meters between two points */
getDistanceInMeters(pointA, pointB) {
const validPointA = this.getValidPoint(pointA);
const validPointB = this.getValidPoint(pointB);
return this.getRulerInstance("meters").distance(validPointA, validPointB);
}
/** Get buffered bounding box in kilometers */
getBufferedBBoxInKilometers(point, bufferInKm) {
const validPoint = this.getValidPoint(point);
return this.getRulerInstance("kilometers").bufferPoint(validPoint, bufferInKm);
}
/** Check if point is inside bounding box */
isPointInBBox(point, bbox) {
const validPoint = this.getValidPoint(point);
return this.getRulerInstance("kilometers").insideBBox(validPoint, bbox);
}
getRulerInstance(unit) {
let ruler = this.rulerInstanceDict.get(unit);
if (!ruler) {
ruler = new cheap_ruler_1.default(APPROXIMATION_LATITUDE, unit);
this.rulerInstanceDict.set(unit, ruler);
}
return ruler;
}
getValidPoint(point) {
if (point.length !== 2) {
throw new golemio_errors_1.GeneralError("getValidPoint: invalid point " + JSON.stringify(point), this.constructor.name, undefined, 422);
}
return point;
}
};
exports.GeoMeasurementHelper = GeoMeasurementHelper;
exports.GeoMeasurementHelper = GeoMeasurementHelper = __decorate([
(0, tsyringe_1.injectable)(),
__metadata("design:paramtypes", [])
], GeoMeasurementHelper);
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