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interface DGeoInterface {
DEBUG: boolean;
parseFormat: string;
}
export const DGeo: DGeoInterface = {
DEBUG: false,
parseFormat: 'xyz'
};
// eslint-disable-next-line @typescript-eslint/no-explicit-any
export const warn = (...args: any[]): void => {
if (DGeo.DEBUG) {
// eslint-disable-next-line no-console
console.warn(...args);
}
};
// eslint-disable-next-line eqeqeq,@typescript-eslint/no-explicit-any,@typescript-eslint/explicit-module-boundary-types
export const isDefAndNotNull = (a: any): boolean => a != undefined;
type CheckFunc = (p: DPoint) => CheckFunction;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
type CheckFunc2 = (p: any) => CheckFunction;
interface CheckArgument {
shouldBeDegree: CheckFunc;
shouldBeMeters: CheckFunc;
shouldBeInt: CheckFunc;
shouldBeUInt: CheckFunc;
shouldBeRadians: CheckFunc;
shouldExist: CheckFunc2;
}
interface CheckFunction {
checkArgument: (argName: string) => CheckArgument;
}
const hook = (scope: CheckFunction): CheckFunc => (): CheckFunction => scope;
const shouldBeInt = (
scope: CheckFunction,
funcName: string,
argName: string
): CheckFunc => (p: DPoint): CheckFunction => {
if (!p.clone().round()
.equal(p)) {
warn(`"${funcName}" -> "${argName}" should be Int!`);
}
return scope;
};
const shouldBeUInt = (
scope: CheckFunction,
funcName: string,
argName: string
): CheckFunc => (p: DPoint): CheckFunction => {
if (!p.clone().round()
.equal(p) || !p.gtOrEqual(DPoint.zero())) {
warn(`"${funcName}" -> "${argName}" should be UInt!`);
}
return scope;
};
const shouldBeDegree = (
scope: CheckFunction,
funcName: string,
argName: string
): CheckFunc => (p: DPoint): CheckFunction => {
if (!p.likeWorldGeodeticSystem) {
warn(`"${funcName}" -> "${argName}" should be degree!`);
}
return scope;
};
const shouldBeRadians = (
scope: CheckFunction,
funcName: string,
argName: string
): CheckFunc => (p: DPoint): CheckFunction => {
if (!p.likeRadians) {
warn(`"${funcName}" -> "${argName}" should be radians!`);
}
return scope;
};
const shouldExist = (
scope: CheckFunction,
funcName: string,
argName: string
// eslint-disable-next-line @typescript-eslint/no-explicit-any
): CheckFunc => (p: any): CheckFunction => {
if (!isDefAndNotNull(p)) {
warn(`"${funcName}" -> "${argName}" should exist!`);
}
return scope;
};
const shouldBeMeters = (
scope: CheckFunction,
funcName: string,
argName: string
): CheckFunc => (p: DPoint): CheckFunction => {
if (!p.likePseudoMercator) {
warn(`"${funcName}" -> "${argName}" should be meters!`);
}
return scope;
};
export const checkFunction = (funcName: string): CheckFunction => ({
// eslint-disable-next-line func-names, object-shorthand
checkArgument: function(argName: string) {
if (!DGeo.DEBUG) {
return {
shouldBeDegree: hook(this),
shouldBeMeters: hook(this),
shouldBeInt: hook(this),
shouldBeUInt: hook(this),
shouldBeRadians: hook(this),
shouldExist: hook(this)
};
}
return {
shouldBeDegree: shouldBeDegree(this, funcName, argName),
shouldBeMeters: shouldBeMeters(this, funcName, argName),
shouldBeInt: shouldBeInt(this, funcName, argName),
shouldBeUInt: shouldBeUInt(this, funcName, argName),
shouldBeRadians: shouldBeRadians(this, funcName, argName),
shouldExist: shouldExist(this, funcName, argName)
};
}
});
type ArrayFillFunction<T> = (index: number) => T;
/**
* @param v
* @param [fillSymbol=0]
*/
export const createArray = <T = number>(v: number, fillSymbol?: T | ArrayFillFunction<T>): T[] => {
if (typeof fillSymbol === 'function') {
return new Array(v).fill(false)
.map((_, i) => (fillSymbol as ArrayFillFunction<T>)(i));
}
return new Array(v).fill(fillSymbol ?? 0);
};
type MatrixFillFunction<T> = (x: number, y: number) => T;
/**
* @param h
* @param w
* @param [fillSymbol=0]
*/
export const createMatrix = <T>({h, w}: DPoint, fillSymbol?: T | MatrixFillFunction<T>): T[][] => {
if (typeof fillSymbol === 'function') {
return createArray(h)
.map((_, y) => createArray<T>(w, (x) => (fillSymbol as MatrixFillFunction<T>)(x, y)));
}
return createArray(h)
.map(() => createArray<T>(w, fillSymbol));
};
/**
* [Gaussian elimination](https://en.wikipedia.org/wiki/Gaussian_elimination)
* @param matrix
*/
export const gaussianElimination: {
(matrix: number[][]): number[],
/**
* Min value if matrix contain 0.
* @default 1e-10
*/
MIN: number;
} = (matrix: number[][]): number[] => {
const n = matrix.length;
const matrixClone = createMatrix<number>(new DPoint(n + 1, n));
for (let i = 0; i < n; i++) {
for (let j = 0; j < n + 1; j++) {
matrix[i][j] = matrix[i][j] === 0 ? gaussianElimination.MIN : matrix[i][j];
matrixClone[i][j] = matrix[i][j];
}
}
for (let k = 0; k < n; k++) {
for (let i = 0; i < n + 1; i++) {
matrixClone[k][i] /= matrix[k][k];
}
for (let i = k + 1; i < n; i++) {
const K = matrixClone[i][k] / matrixClone[k][k];
for (let j = 0; j < n + 1; j++) {
matrixClone[i][j] -= matrixClone[k][j] * K;
}
}
for (let i = 0; i < n; i++) {
for (let j = 0; j < n + 1; j++) {
matrix[i][j] = matrixClone[i][j];
}
}
}
for (let k = n - 1; k > -1; k--) {
for (let i = n; i > -1; i--) {
matrixClone[k][i] /= matrix[k][k];
}
for (let i = k - 1; i > -1; i--) {
const K = matrixClone[i][k] / matrixClone[k][k];
for (let j = n; j > -1; j--) {
matrixClone[i][j] -= matrixClone[k][j] * K;
}
}
}
const answer = createArray(n);
for (let i = 0; i < n; i++) {
answer[i] = matrixClone[i][n];
}
return answer;
};
gaussianElimination.MIN = 1e-10;
export type True = true;
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
export const createCanvas: {
/**
* Create dom canvas element with same width and height
* @param size
*/
(size: number): [HTMLCanvasElement, CanvasRenderingContext2D];
/**
* Create offscreen canvas with same width and height
* @param size
* @param offscreen
*/
(size: number, offscreen: True): [OffscreenCanvas, OffscreenCanvasRenderingContext2D];
/**
* Create canvas by width and height
* @param w
* @param h
*/
(w: number, h: number): [HTMLCanvasElement, CanvasRenderingContext2D];
/**
* Create offscreen canvas by width and height
* @param w
* @param h
* @param offscreen
*/
(w: number, h: number, offscreen: True): [OffscreenCanvas, OffscreenCanvasRenderingContext2D];
/**
* Create dom canvas element by `DPoint` size
* @param size
*/
(size: DPoint): [HTMLCanvasElement, CanvasRenderingContext2D];
/**
* Create offscreen canvas by `DPoint` size
* @param size
* @param offscreen
*/
(size: DPoint, offscreen: True): [OffscreenCanvas, OffscreenCanvasRenderingContext2D];
/**
* Mock document object for tests
*/
document?: Document;
} = (
a: DPoint | number,
b?: number | boolean,
c?: boolean
): [HTMLCanvasElement | OffscreenCanvas, CanvasRenderingContext2D | OffscreenCanvasRenderingContext2D] => {
let w = 0;
let h = 0;
let offscreen = false;
if (a instanceof DPoint) {
const {x, y} = a;
w = x;
h = y;
} else {
w = a;
h = a;
}
if (typeof b === 'boolean') {
offscreen = b;
} else Iif (typeof b === 'number') {
h = b;
}
Iif (typeof c === 'boolean') {
offscreen = c;
}
const canvas: HTMLCanvasElement | OffscreenCanvas =
offscreen ? new OffscreenCanvas(w, h) : (createCanvas.document ?? document).createElement('canvas');
Iif (!offscreen) {
canvas.width = w;
canvas.height = h;
}
return [canvas, canvas.getContext('2d')!];
};
/** @ignore */
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const f = (a: any, b: any) => [].concat(...a.map((c: any) => b.map((d: any) => [].concat(c, d))));
/**
* [Cartesian product](https://en.wikipedia.org/wiki/Cartesian_product)
*/
export const cartesianProduct: {
/**
* @param a
* @param b
*/
<T>(a: T[], ...b: T[][]): T[][];
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
// eslint-disable-next-line @typescript-eslint/no-explicit-any,@typescript-eslint/explicit-module-boundary-types
} = <T>(a: T[], b: T[], ...c: T[][]): T[][] => b ? cartesianProduct(f(a, b), ...c) : a;
/**
* Get all available combinations
* @param arr
*/
export const getCombinations = <T>(arr: T[][]): T[][] => {
if (arr.length === 1) {
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
return arr[0];
}
const ans: T[][] = [];
const otherCases = getCombinations(arr.slice(1));
for (let i = 0; i < otherCases.length; i++) {
for (let j = 0; j < arr[0].length; j++) {
ans.push([arr[0][j], ...otherCases[i]]);
}
}
return ans;
};
export const div = (a: number, b: number): number => Math.floor(a / b);
export const toDegreesMinutesSeconds = (v: number): string => {
const m = v < 0;
const degrees = Math.floor(Math.abs(v));
const t = (Math.abs(v) % 1) * 60;
const minutes = Math.floor(t);
const t2 = (t % 1) * 60;
const seconds = t2.toFixed(2);
return `${m ? '-' : ''}${degrees}° ${minutes}' ${seconds}"`;
};
export const parseDegreesMinutesSeconds = (i: string): number => {
const parts = i.matchAll(/(?<value>-?\d+(?<tail>\.\d{1,})?)(?<type>°|'|")/gmiu);
let d = 0;
let m = 0;
let s = 0;
for (const part of parts) {
switch (part?.groups?.type) {
case '°':
d = Number(part?.groups?.value ?? '0');
break;
case '\'':
m = Number(part?.groups?.value ?? '0');
break;
case '"':
s = Number(part?.groups?.value ?? '0');
break;
default:
}
}
const h = d < 0 ? -1 : 1;
return d + h * m / 60 + h * s / 3600;
};
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