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eslint-disable max-lines */
import {DLine} from './DLine';
import {DPolygon} from './DPolygon';
import {checkFunction, createArray, DGeo, div, isDefAndNotNull, toDegreesMinutesSeconds} from './utils';
import {Point, Feature} from 'geojson';
const diff = 0;
const radiansPolygon = new DPolygon();
const pseudoMercatorPolygon = new DPolygon();
const worldGeodeticPolygon = new DPolygon();
// For WGS-84 6378137, for IAU-2009 6378136.6
export const EARTH_RADIUS_IN_METERS = 6378137;
export type DCoord = [number, number] | [number, number, number];
export interface LatLng {
lat: number;
lng?: number;
lon?: number;
alt?: number;
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
export interface XYZ extends Record<string, any> {
x: number;
y: number;
z?: number;
}
const EARTH_IN_METERS = 20037508.34;
const DEGREES_IN_EARTH = 180;
const METERS_IN_ONE_DEGREE = EARTH_IN_METERS / DEGREES_IN_EARTH;
const DEGREES_IN_ONE_METER = DEGREES_IN_EARTH / EARTH_IN_METERS;
export const HALF_PI_IN_DEGREE = 90;
export const PI_IN_DEGREE = 180;
export const DOUBLE_PI_IN_DEGREE = 360;
export const PI_TO_DEGREE = Math.PI / PI_IN_DEGREE;
export const DEGREE_TO_PI = PI_IN_DEGREE / Math.PI;
type SetterFunction<T> = (t: DPoint) => T;
export class DPoint {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
properties: Record<string, any> = {};
/**
* Create point with zero coords `(0, 0)`
*/
constructor();
/**
* Create point
* @param xy - `x` and `y` value
*/
constructor(xy: number);
/**
* Create point
* @param x - lng, meters to East, radians to East or width
* @param y - lat, meters to North, radians to North or height
*/
constructor(x: number, y: number);
/**
* Create point
* @param x - lng, meters to East, radians to East or width
* @param y - lat, meters to North, radians to North or height
* @param z - height
*/
constructor(x: number, y: number, z?: number);
constructor(public x: number = 0, public y: number = x, public z?: number) {}
static zero(): DPoint {
return new DPoint();
}
/**
* @param c
* @param [format='xyz'] Default value `DGeo.parseFormat`
*/
static parse(
c: LatLng | number[] | DCoord | Point | Feature<Point> | XYZ,
format: string = DGeo.parseFormat
): DPoint {
const {lat, lon, lng = lon, alt} = c as LatLng;
if (lat && lng) {
return new DPoint(lng, lat, alt ?? 0);
}
const {x, y, z, ...properties} = c as XYZ;
if (isDefAndNotNull(x) && isDefAndNotNull(y)) {
return new DPoint(x, y, z).setProperties(properties);
}
let t = c as DCoord;
if ((c as Point).type === 'Point') {
t = (c as Point).coordinates as DCoord;
}
if ((c as Feature<Point>).type === 'Feature') {
const f = DPoint.parse((c as Feature<Point>).geometry, format);
f.properties = {
...(c as Feature<Point>).properties
};
return f;
}
return format.replace(/[^x-z]/gmiu, '')
.split('')
.reduce((a: DPoint, k: string, index: number) => {
switch (k) {
case 'x':
a.x = t[index] ?? 0;
break;
case 'y':
a.y = t[index] ?? 0;
break;
case 'z':
a.z = t[index];
break;
default:
}
return a;
}, new DPoint());
}
static parseFromWKT(wkt: string): DPoint {
const regexp = /POINT \((?<data>(?:(?!\)).)*?)\)$/miu;
const data = wkt.trim().toUpperCase();
const res = regexp.exec(data)!;
const [x, y, z] = res.groups!.data.split(' ').map(Number);
return new DPoint(x, y, z);
}
static random(): DPoint {
return new DPoint(Math.random(), Math.random());
}
/**
* Parse tile coords from BING Map quad string
* @param quadKey
*/
static getTileFromQuadKey(quadKey: string): DPoint {
const p = new DPoint(0, 0, quadKey.length);
for (let i = p.z!; i > 0; i--) {
// eslint-disable-next-line no-bitwise
const mask = 1 << (i - 1);
switch (quadKey[p.z! - i]) {
case '0':
break;
case '1':
// eslint-disable-next-line no-bitwise
p.x |= mask;
break;
case '2':
// eslint-disable-next-line no-bitwise
p.y |= mask;
break;
case '3':
// eslint-disable-next-line no-bitwise
p.x |= mask;
// eslint-disable-next-line no-bitwise
p.y |= mask;
break;
default:
throw new Error('Invalid QuadKey digit sequence.');
}
}
return p;
}
toDegreesMinutesSeconds(): {x: string, y: string} {
return {
x: toDegreesMinutesSeconds(this.x),
y: toDegreesMinutesSeconds(this.y)
};
}
/**
* @remark Point should be Lng/Lat.
*
* @remark `z` value default for `zoom` argument.
*
* @param [zoom=this.z]
*/
getTileFromCoords(zoom: number = this.z!): DPoint {
checkFunction('getTileFromCoords')
.checkArgument('this')
.shouldBeDegree(this);
const x = Math.floor((this.x + PI_IN_DEGREE) / DOUBLE_PI_IN_DEGREE * (2 ** zoom));
const y = Math.floor((
1 - Math.log(Math.tan(this.y * PI_TO_DEGREE) + 1 / Math.cos(this.y * PI_TO_DEGREE)) / Math.PI
) / 2 * (2 ** zoom));
return new DPoint(x, y, zoom);
}
/**
* Get BING Maps quad key
*
* @remark `z` value default for `zoom` argument.
*
* @param [zoom=this.z]
*/
getQuadKeyFromTile(zoom: number = this.z!): string {
const quadKey = [];
for (let i = zoom; i > 0; i--) {
let digit = 0;
// eslint-disable-next-line no-bitwise
const mask = 1 << (i - 1);
// eslint-disable-next-line no-bitwise
if ((this.x & mask) !== 0) {
digit++;
}
// eslint-disable-next-line no-bitwise
if ((this.y & mask) !== 0) {
digit++;
digit++;
}
quadKey.push(digit);
}
return quadKey.join('');
}
/**
* Result would be Lng/Lat.
*
* @remark `z` value default for `zoom` argument.
*
* @param [zoom=this.z]
*/
getCoordsFromTile(zoom: number = this.z!): DPoint {
checkFunction('getCoordsFromTile')
.checkArgument('this')
.shouldBeUInt(this);
const n = Math.PI - 2 * Math.PI * this.y / (2 ** zoom);
const x = this.x / (2 ** zoom) * DOUBLE_PI_IN_DEGREE - PI_IN_DEGREE;
const y = PI_IN_DEGREE / Math.PI * Math.atan((Math.exp(n) - Math.exp(-n)) / 2);
return new DPoint(x, y, zoom);
}
/**
* @param [format='xyz'] Default value `DGeo.parseFormat`
*/
toCoords(format: string = DGeo.parseFormat): DCoord {
return format.replace(/[^x-z]/gmiu, '').split('')
.map((k) => ({
x: this.x,
y: this.y,
z: this.z
})[k])
.filter((r) => r !== undefined) as DCoord;
}
/**
* @param [format='xyz'] Default value `DGeo.parseFormat`
*/
toGeoJSON(format: string = DGeo.parseFormat): Point {
return {
type: 'Point',
coordinates: this.toCoords(format)
};
}
toGeoJSONFeature(format: string = DGeo.parseFormat): Feature<Point> {
return {
type: 'Feature',
properties: {
...this.properties
},
geometry: this.toGeoJSON(format)
};
}
/**
* Find line between two points.
* @param p
*/
findLine(p: DPoint): DLine {
checkFunction('findLine')
.checkArgument('this')
.shouldBeMeters(this)
.checkArgument('p')
.shouldBeMeters(p);
if (this.equal(p)) {
return this.findLine(p.clone().move(0, 1));
}
const a = this.y - p.y - diff;
const b = p.x - this.x - diff;
const c = this.x * p.y - p.x * this.y - diff;
if (a === 0) {
return new DLine(0, 1, c / b, this, p);
}
if (b === 0) {
return new DLine(1, 0, c / a, this, p);
}
return new DLine(a, b, c, this, p);
}
findInnerAngle(p1: DPoint, p3: DPoint): number {
checkFunction('findInnerAngle')
.checkArgument('this')
.shouldBeMeters(this)
.checkArgument('p1')
.shouldBeMeters(p1)
.checkArgument('p3')
.shouldBeMeters(p3);
const a1 = this.findLine(p1).getFi();
const a2 = this.findLine(p3).getFi();
if (a2 >= a1) {
return a2 - a1;
}
return a2 + Math.PI * 2 - a1;
}
toString(): string {
return `${this.x} ${this.y}`;
}
getValue(): [number, number] {
return [this.x, this.y];
}
height(z: number): DPoint {
this.z = z;
return this;
}
toWKT(): string {
const {x, y} = this;
return `POINT (${x} ${y})`;
}
distance(p: DPoint): number {
checkFunction('distance')
.checkArgument('this')
.shouldBeMeters(this)
.checkArgument('p')
.shouldBeMeters(p);
const dx = p.x - this.x;
const dy = p.y - this.y;
return Math.sqrt(dx * dx + dy * dy);
}
distanceLatLon(p: DPoint): number {
checkFunction('distance')
.checkArgument('this')
.shouldBeDegree(this)
.checkArgument('p')
.shouldBeDegree(p);
const d = p.clone().move(this.clone().minus())
.degreeToRadians();
const t1 = this.clone().degreeToRadians();
const t2 = p.clone().degreeToRadians();
const a = Math.sin(d.lat / 2) ** 2 +
Math.cos(t1.lat) *
Math.cos(t2.lat) *
((Math.sin(d.lon / 2)) ** 2);
const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
return EARTH_RADIUS_IN_METERS * c;
}
distance3d(p: DPoint): number {
checkFunction('distance3d')
.checkArgument('this')
.shouldBeMeters(this)
.checkArgument('p')
.shouldBeMeters(p)
.checkArgument('this.z')
.shouldExist(this.z)
.checkArgument('p.z')
.shouldExist(p.z);
const dx = p.x - this.x;
const dy = p.y - this.y;
const dz = p.z! - this.z!;
return Math.sqrt(dx * dx + dy * dy + dz * dz);
}
/**
* Set `x` value
* @param x
*/
setX(x: number): DPoint;
/**
* Transform `x` value by function
* @param f
*/
setX(f: SetterFunction<number>): DPoint;
setX(x: number | SetterFunction<number>): DPoint {
this.x = typeof x === 'number' ? x : x(this);
return this;
}
/**
* Set `z` value
* @param z
*/
setZ(z: number): DPoint;
/**
* Transform `z` value by function
* @param f
*/
setZ(f: SetterFunction<number>): DPoint;
setZ(z: number | SetterFunction<number>): DPoint {
this.z = typeof z === 'number' ? z : z(this);
return this;
}
/**
* Set `y` value
* @param y
*/
setY(y: number): DPoint;
/**
* Transform `y` value by function
* @param f
*/
setY(f: SetterFunction<number>): DPoint;
setY(y: number | SetterFunction<number>): DPoint {
this.y = typeof y === 'number' ? y : y(this);
return this;
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
setProperties(v: SetterFunction<Record<string, any>> | Record<string, any>): DPoint {
this.properties = typeof v === 'object' ? v : v(this);
return this;
}
clone(): DPoint {
const p = new DPoint(this.x, this.y, this.z);
p.properties = {...this.properties};
return p;
}
gt(p: DPoint): boolean {
return this.x > p.x && this.y > p.y;
}
lt(p: DPoint): boolean {
return this.x < p.x && this.y < p.y;
}
gtOrEqual(p: DPoint): boolean {
return this.gt(p) || this.equal(p);
}
ltOrEqual(p: DPoint): boolean {
return this.lt(p) || this.equal(p);
}
/**
* Clockwise rotation
* @param a radians
*/
rotate(a: number): DPoint {
const x = this.x * Math.cos(a) - this.y * Math.sin(a);
const y = this.x * Math.sin(a) + this.y * Math.cos(a);
this.x = x;
this.y = y;
return this;
}
/**
* 3D rotation
* @param a radians
*/
rotate3dX(a: number): DPoint {
const {y, z} = this;
this.y = y * Math.cos(a) + z! * Math.sin(a);
this.z = -y * Math.sin(a) + z! * Math.cos(a);
return this;
}
/**
* 3D rotation
* @param a radians
*/
rotate3dY(a: number): DPoint {
const {x, z} = this;
this.x = x * Math.cos(a) + z! * Math.sin(a);
this.z = -x * Math.sin(a) + z! * Math.cos(a);
return this;
}
/**
* 3D rotation
* @param a radians
*/
rotate3dZ(a: number): DPoint {
const {x, y} = this;
this.x = x * Math.cos(a) - y * Math.sin(a);
this.y = -x * Math.sin(a) + y * Math.cos(a);
return this;
}
/**
* Add `v` to `x`, `y` and `z` (if `z` exist)
* @param v
*/
move(v: number): DPoint;
/**
* Add `p.x` to `x` field, `p.y` to `y` field and `p.z` to `z` field (if `z exist).
* @param p
*/
move(p: DPoint): DPoint;
/**
* Add `x` to `x` field and `y` to `y` field.
* @param x
* @param y
*/
move(x: number, y: number): DPoint;
/**
* Add `x` to `x` field, `y` to `y` field and `z` to `z` field (if `z` exist).
* @param x
* @param y
* @param z
*/
move(x: number, y: number, z: number): DPoint;
move(x: number | DPoint, y: number = (x as number), z?: number): DPoint {
let xV = 0;
let yV = 0;
// eslint-disable-next-line no-undef-init
let zV: number | undefined = undefined;
if (x instanceof DPoint) {
xV = this.x + x.x;
yV = this.y + x.y;
if (isDefAndNotNull(this.z) && isDefAndNotNull(x.z)) {
zV = this.z! + x.z!;
}
} else {
xV = this.x + (x as number);
yV = this.y + y;
if (isDefAndNotNull(this.z) && isDefAndNotNull(z)) {
zV = this.z! + z!;
}
}
this.x = xV;
this.y = yV;
if (isDefAndNotNull(zV)) {
this.z = zV;
}
return this;
}
degreeToMeters(): DPoint {
checkFunction('degreeToMeters')
.checkArgument('this')
.shouldBeDegree(this);
const x = ((this.x + PI_IN_DEGREE) % DOUBLE_PI_IN_DEGREE - PI_IN_DEGREE) * METERS_IN_ONE_DEGREE;
const y = (Math.log(Math.tan(((this.y + HALF_PI_IN_DEGREE) % PI_IN_DEGREE) *
(Math.PI / DOUBLE_PI_IN_DEGREE))) / PI_TO_DEGREE) * METERS_IN_ONE_DEGREE;
this.x = x;
this.y = y;
return this;
}
metersToDegree(): DPoint {
checkFunction('metersToDegree')
.checkArgument('this')
.shouldBeMeters(this);
const lon = this.x * DEGREES_IN_ONE_METER;
const lat = Math.atan(Math.E ** ((this.y / METERS_IN_ONE_DEGREE) * PI_TO_DEGREE)) *
(DOUBLE_PI_IN_DEGREE / Math.PI) - HALF_PI_IN_DEGREE;
this.x = lon;
this.y = lat;
return this;
}
degreeToRadians(): DPoint {
checkFunction('degreeToRadians')
.checkArgument('this')
.shouldBeDegree(this);
return this.scale(PI_TO_DEGREE);
}
radiansToDegrees(): DPoint {
checkFunction('radiansToDegrees')
.checkArgument('this')
.shouldBeRadians(this);
return this.scale(DEGREE_TO_PI);
}
radiansToMeters(): DPoint {
checkFunction('radiansToMeters')
.checkArgument('this')
.shouldBeRadians(this);
return this.radiansToDegrees().degreeToMeters();
}
metersToRadians(): DPoint {
checkFunction('metersToRadians')
.checkArgument('this')
.shouldBeMeters(this);
return this.metersToDegree().degreeToRadians();
}
round(): DPoint {
this.x = Math.round(this.x);
this.y = Math.round(this.y);
return this;
}
ceil(): DPoint {
this.x = Math.ceil(this.x);
this.y = Math.ceil(this.y);
return this;
}
floor(): DPoint {
this.x = Math.floor(this.x);
this.y = Math.floor(this.y);
return this;
}
/**
* @param [n=2]
*/
toFixed(n: number = 2): DPoint {
this.x = parseFloat(this.x.toFixed(n));
this.y = parseFloat(this.y.toFixed(n));
return this;
}
abs(): DPoint {
this.x = Math.abs(this.x);
this.y = Math.abs(this.y);
return this;
}
/**
* Multiply `v` to `x`, `y` and `z` (if `z` exist)
* @param v
*/
scale(v: number): DPoint;
/**
* Multiply `p.x` to `x` field, `p.y` to `y` field and `p.z` to `z` field (if `z` exist).
* @param p
*/
scale(p: DPoint): DPoint;
/**
* Multiply `x` to `x` field and `y` to `y` field.
* @param x
* @param y
*/
scale(x: number, y: number): DPoint;
/**
* Multiply `x` to `x` field, `y` to `y` field and `z` to `z` field (if `z` exist).
* @param x
* @param y
* @param z
*/
scale(x: number, y: number, z: number): DPoint;
scale(x: number | DPoint, y: number = (x as number), z?: number): DPoint {
let xV = 0;
let yV = 0;
// eslint-disable-next-line no-undef-init
let zV: number | undefined = undefined;
if (x instanceof DPoint) {
xV = this.x * x.x;
yV = this.y * x.y;
if (isDefAndNotNull(this.z) && isDefAndNotNull(x.z)) {
zV = this.z! * x.z!;
}
} else {
xV = this.x * (x as number);
yV = this.y * y;
if (isDefAndNotNull(this.z) && isDefAndNotNull(z)) {
zV = this.z! * z!;
}
}
this.x = xV;
this.y = yV;
if (isDefAndNotNull(zV)) {
this.z = zV;
}
return this;
}
/**
* Divide `x`, `y` and `z` (if `z` exist) to `v`
* @param v
*/
divide(v: number): DPoint;
/**
* Divide `x` field to `p.x`, `y` field to `p.y` and `z` field to `p.z` (if `z` exist).
* @param p
*/
divide(p: DPoint): DPoint;
/**
* Divide `x` field to `x` and `y` field to `y`.
* @param x
* @param y
*/
divide(x: number, y: number): DPoint;
/**
* Divide `x` field to `x`, `y` field to `y` and `z` field to `z`.
* @param x
* @param y
* @param z
*/
divide(x: number, y: number, z: number): DPoint;
divide(x: number | DPoint, y: number = (x as number), z?: number): DPoint {
let xV = 0;
let yV = 0;
// eslint-disable-next-line no-undef-init
let zV: number | undefined = undefined;
if (x instanceof DPoint) {
xV = this.x / x.x;
yV = this.y / x.y;
if (isDefAndNotNull(this.z) && isDefAndNotNull(x.z)) {
zV = this.z! / x.z!;
}
} else {
xV = this.x / (x as number);
yV = this.y / y;
if (isDefAndNotNull(this.z) && isDefAndNotNull(z)) {
zV = this.z! / z!;
}
}
this.x = xV;
this.y = yV;
if (isDefAndNotNull(zV)) {
this.z = zV;
}
return this;
}
/**
* [Modulo operation](https://en.wikipedia.org/wiki/Modulo_operation)
* Divide `x`, `y` and `z` (if `z` exist) to `v`
* @param v
*/
mod(v: number): DPoint;
/**
* [Modulo operation](https://en.wikipedia.org/wiki/Modulo_operation)
* Divide `x` field to `p.x`, `y` field to `p.y` and `z` field to `p.z` (if `z` exist).
* @param p
*/
mod(p: DPoint): DPoint;
/**
* [Modulo operation](https://en.wikipedia.org/wiki/Modulo_operation)
* Divide `x` field to `x` and `y` field to `y`.
* @param x
* @param y
*/
mod(x: number, y: number): DPoint;
/**
* [Modulo operation](https://en.wikipedia.org/wiki/Modulo_operation)
* Divide `x` field to `x`, `y` field to `y` and `z` field to `z`.
* @param x
* @param y
* @param z
*/
mod(x: number, y: number, z: number): DPoint;
mod(x: number | DPoint, y: number = (x as number), z?: number): DPoint {
let xV = 0;
let yV = 0;
// eslint-disable-next-line no-undef-init
let zV: number | undefined = undefined;
if (x instanceof DPoint) {
xV = this.x % x.x;
yV = this.y % x.y;
if (isDefAndNotNull(this.z) && isDefAndNotNull(x.z)) {
zV = this.z! % x.z!;
}
} else {
xV = this.x % (x as number);
yV = this.y % y;
if (isDefAndNotNull(this.z) && isDefAndNotNull(z)) {
zV = this.z! % z!;
}
}
this.x = xV;
this.y = yV;
if (isDefAndNotNull(zV)) {
this.z = zV;
}
return this;
}
/**
* [Euclidean division](https://en.wikipedia.org/wiki/Euclidean_division)
* Divide `x`, `y` and `z` (if `z` exist) to `v`
* @param v
*/
div(v: number): DPoint;
/**
* [Euclidean division](https://en.wikipedia.org/wiki/Euclidean_division)
* Divide `x` field to `p.x`, `y` field to `p.y` and `z` field to `p.z` (if `z` exist).
* @param p
*/
div(p: DPoint): DPoint;
/**
* [Euclidean division](https://en.wikipedia.org/wiki/Euclidean_division)
* Divide `x` field to `x` and `y` field to `y`.
* @param x
* @param y
*/
div(x: number, y: number): DPoint;
/**
* [Euclidean division](https://en.wikipedia.org/wiki/Euclidean_division)
* Divide `x` field to `x`, `y` field to `y` and `z` field to `z`.
* @param x
* @param y
* @param z
*/
div(x: number, y: number, z: number): DPoint;
div(x: number | DPoint, y: number = (x as number), z?: number): DPoint {
let xV = 0;
let yV = 0;
// eslint-disable-next-line no-undef-init
let zV: number | undefined = undefined;
if (x instanceof DPoint) {
xV = div(this.x, x.x);
yV = div(this.y, x.y);
if (isDefAndNotNull(this.z) && isDefAndNotNull(x.z)) {
zV = div(this.z!, x.z!);
}
} else {
xV = div(this.x, (x as number));
yV = div(this.y, y);
if (isDefAndNotNull(this.z) && isDefAndNotNull(z)) {
zV = div(this.z!, z!);
}
}
this.x = xV;
this.y = yV;
if (isDefAndNotNull(zV)) {
this.z = zV;
}
return this;
}
equal(p: DPoint): boolean {
return this.x === p.x && this.y === p.y && this.z === p.z;
}
/**
* @param p
* @param [d=0.001]
*/
like(p: DPoint, d = 0.001): boolean {
if (this.equal(p)) {
return true;
}
const likeX = Math.abs(this.x - p.x) < d;
const likeY = Math.abs(this.y - p.y) < d;
const likeZ = Math.abs((this.z ?? p.z ?? 0) - (p.z ?? this.z ?? 0)) < d;
return likeX && likeY && likeZ;
}
/**
* Flip vertically
* @param size canvas size
*/
flipVertically(size: DPoint): DPoint;
/**
* Flip vertically
* @param height canvas height
*/
flipVertically(height: number): DPoint;
flipVertically(size: DPoint | number): DPoint {
let v = size as number;
if (size instanceof DPoint) {
v = size.y;
}
this.y = v - this.y;
return this;
}
/**
* Check if point looks like radians
*/
get likeRadians(): boolean {
if (radiansPolygon.length === 0) {
radiansPolygon.push(new DPoint(-Math.PI, -Math.PI / 2), new DPoint(Math.PI, Math.PI / 2));
}
return radiansPolygon.simpleInclude(this);
}
/**
* Check if point looks like `EPSG:4326` (degrees)
*/
get likeWorldGeodeticSystem(): boolean {
if (worldGeodeticPolygon.length === 0) {
worldGeodeticPolygon.push(new DPoint(-180, -90), new DPoint(180, 90));
}
return !this.likeRadians && worldGeodeticPolygon.simpleInclude(this);
}
/**
* Check if point looks like `EPSG:3857` (meters)
*/
get likePseudoMercator(): boolean {
if (pseudoMercatorPolygon.length === 0) {
pseudoMercatorPolygon.push(new DPoint(-20026376.39, -20048966.10), new DPoint(20026376.39, 20048966.10));
}
return !this.likeRadians && !this.likeWorldGeodeticSystem && pseudoMercatorPolygon.simpleInclude(this);
}
get w(): number {
return this.x;
}
set w(x: number) {
this.x = x;
}
get h(): number {
return this.y;
}
set h(y: number) {
this.y = y;
}
get area(): number {
checkFunction('area')
.checkArgument('this')
.shouldBeMeters(this);
return this.w * this.h;
}
get hip(): number {
checkFunction('hip')
.checkArgument('this')
.shouldBeMeters(this);
return Math.sqrt(this.w * this.w + this.h * this.h);
}
get min(): number {
return Math.min(this.x, this.y);
}
get max(): number {
return Math.max(this.x, this.y);
}
get hipPoint(): DPoint {
const {hip} = this;
return new DPoint(hip, hip);
}
get xPoint(): DPoint {
const {x} = this;
return new DPoint(x, x);
}
get yPoint(): DPoint {
const {y} = this;
return new DPoint(y, y);
}
get wPoint(): DPoint {
return this.xPoint;
}
get hPoint(): DPoint {
return this.yPoint;
}
get lat(): number {
return this.y;
}
set lat(v: number) {
this.y = v;
}
get lng(): number {
return this.x;
}
set lng(v: number) {
this.x = v;
}
get lon(): number {
return this.x;
}
set lon(v: number) {
this.x = v;
}
get alt(): number | undefined {
return this.z;
}
set alt(v: number | undefined) {
this.z = v;
}
simple<T extends Record<string, number>>(xKey: string = 'x', yKey: string = 'y', zKey: string = 'z'): T {
return {
[xKey]: this.x,
[yKey]: this.y,
...(isDefAndNotNull(this.z) ? {
[zKey]: this.z
} : {})
} as T;
}
setIfLessThan(p: DPoint): DPoint {
this.x = Math.max(this.x, p.x);
this.y = Math.max(this.y, p.y);
return this;
}
setIfMoreThan(p: DPoint): DPoint {
this.x = Math.min(this.x, p.x);
this.y = Math.min(this.y, p.y);
return this;
}
minus(): DPoint {
return this.scale(-1);
}
/**
* Find [orthodromic path](https://en.wikipedia.org/wiki/Great-circle_navigation) between to points.
*
* @remark Points should be Lng/Lat.
*
* 
*
* @param point
* @param [pointsCount=360]
*/
orthodromicPath(point: DPoint, pointsCount = 360): DPolygon {
checkFunction('orthodromicPath')
.checkArgument('this')
.shouldBeDegree(this)
.checkArgument('point')
.shouldBeDegree(point);
const t = this.clone().degreeToRadians();
const p = point.clone().degreeToRadians();
const d = Math.sin(p.x - t.x);
const step = (p.x - t.x) / (pointsCount - 1);
return new DPolygon(createArray(pointsCount)
.map((v: number, i: number) => {
const x = t.x + step * i;
const y = Math.atan((Math.tan(t.y) * Math.sin(p.x - x)) / d +
(Math.tan(p.y) * Math.sin(x - t.x)) / d);
return new DPoint(x, y).radiansToDegrees();
}));
}
sortByDistance(p: DPolygon): DPolygon {
return p
.clone()
.map((d: DPoint, index: number) => {
d.properties.distance = d.distance(this);
d.properties.index = index;
return d;
})
.sort((a: DPoint, b: DPoint) => a.properties.distance - b.properties.distance);
}
calculateAltitudeByDistanceBetweenPoints(p1: DPoint, p2: DPoint): DPoint {
if (p1.alt === p2.alt) {
this.alt = p1.alt;
} else {
const minAlt = Math.min(p1.alt ?? 0, p2.alt ?? 0);
const maxAlt = Math.max(p1.alt ?? 0, p2.alt ?? 0);
const dAlt = maxAlt - minAlt;
const distance1 = this.distance(p1);
const distance2 = this.distance(p2);
const totalDistance = distance1 + distance2;
if ((p1.alt ?? 0) === minAlt) {
this.alt = minAlt + distance1 / totalDistance * dAlt;
} else {
this.alt = minAlt + distance2 / totalDistance * dAlt;
}
}
return this;
}
}
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