Merge branch 'coordinates' of https://github.com/j433866/CyberChef into j433866-coordinates
commit
03d8bf2836
|
@ -5699,6 +5699,11 @@
|
|||
"globule": "^1.0.0"
|
||||
}
|
||||
},
|
||||
"geodesy": {
|
||||
"version": "1.1.3",
|
||||
"resolved": "https://registry.npmjs.org/geodesy/-/geodesy-1.1.3.tgz",
|
||||
"integrity": "sha512-H/0XSd1KjKZGZ2YGZcOYzRyY/foYAawwTEumNSo+YUwf+u5d4CfvBRg2i2Qimrx9yUEjWR8hLvMnhghuVFN0Zg=="
|
||||
},
|
||||
"get-caller-file": {
|
||||
"version": "1.0.3",
|
||||
"resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.3.tgz",
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||||
|
|
|
@ -95,6 +95,7 @@
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|||
"esprima": "^4.0.1",
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||||
"exif-parser": "^0.1.12",
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"file-saver": "^2.0.0",
|
||||
"geodesy": "^1.1.3",
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"highlight.js": "^9.13.1",
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"jimp": "^0.6.0",
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"jquery": "^3.3.1",
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|
|
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@ -215,6 +215,7 @@
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|||
"Convert mass",
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"Convert speed",
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||||
"Convert data units",
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"Convert co-ordinate format",
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||||
"Parse UNIX file permissions",
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||||
"Swap endianness",
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||||
"Parse colour code",
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|
@ -306,9 +307,7 @@
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"Adler-32 Checksum",
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"CRC-16 Checksum",
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"CRC-32 Checksum",
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||||
"TCP/IP Checksum",
|
||||
"To Geohash",
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||||
"From Geohash"
|
||||
"TCP/IP Checksum"
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||||
]
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||||
},
|
||||
{
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||||
|
|
|
@ -0,0 +1,628 @@
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/**
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||||
* Co-ordinate conversion resources.
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||||
*
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||||
* @author j433866 [j433866@gmail.com]
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* @copyright Crown Copyright 2019
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* @license Apache-2.0
|
||||
*/
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import geohash from "ngeohash";
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import geodesy from "geodesy";
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/**
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* Co-ordinate formats
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*/
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export const FORMATS = [
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"Degrees Minutes Seconds",
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"Degrees Decimal Minutes",
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"Decimal Degrees",
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"Geohash",
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"Military Grid Reference System",
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"Ordnance Survey National Grid",
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"Universal Transverse Mercator"
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];
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/**
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* Formats that should be passed to the conversion module as-is
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*/
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const NO_CHANGE = [
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"Geohash",
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"Military Grid Reference System",
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"Ordnance Survey National Grid",
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"Universal Transverse Mercator",
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];
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|
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/**
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* Convert a given latitude and longitude into a different format.
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* @param {string} input - Input string to be converted
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* @param {string} inFormat - Format of the input coordinates
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* @param {string} inDelim - The delimiter splitting the lat/long of the input
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* @param {string} outFormat - Format to convert to
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* @param {string} outDelim - The delimiter to separate the output with
|
||||
* @param {string} includeDir - Whether or not to include the compass direction in the output
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* @param {number} precision - Precision of the result
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* @returns {string} A formatted string of the converted co-ordinates
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*/
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export function convertCoordinates (input, inFormat, inDelim, outFormat, outDelim, includeDir, precision) {
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let isPair = false,
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split,
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latlon,
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convLat,
|
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convLon,
|
||||
conv;
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||||
|
||||
// Can't have a precision less than 0!
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if (precision < 0) {
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precision = 0;
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||||
}
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if (inDelim === "Auto") {
|
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// Try to detect a delimiter in the input.
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inDelim = findDelim(input);
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if (inDelim === null) {
|
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throw "Unable to detect the input delimiter automatically.";
|
||||
}
|
||||
} else {
|
||||
// Convert the delimiter argument value to the actual character
|
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inDelim = realDelim(inDelim);
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||||
}
|
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if (inFormat === "Auto") {
|
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// Try to detect the format of the input data
|
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inFormat = findFormat(input, inDelim);
|
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if (inFormat === null) {
|
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throw "Unable to detect the input format automatically.";
|
||||
}
|
||||
}
|
||||
// Convert the output delimiter argument to the real character
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||||
outDelim = realDelim(outDelim);
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if (!NO_CHANGE.includes(inFormat)) {
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split = input.split(inDelim);
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// Replace any co-ordinate symbols with spaces so we can split on them later
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for (let i = 0; i < split.length; i++) {
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split[i] = split[i].replace(/[°˝´'"]/g, " ");
|
||||
}
|
||||
if (split.length > 1) {
|
||||
isPair = true;
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||||
}
|
||||
} else {
|
||||
// Remove any delimiters from the input
|
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input = input.replace(inDelim, "");
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isPair = true;
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}
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// Conversions from the input format into a geodesy latlon object
|
||||
if (inFormat === "Geohash") {
|
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const hash = geohash.decode(input.replace(/[^A-Za-z0-9]/g, ""));
|
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latlon = new geodesy.LatLonEllipsoidal(hash.latitude, hash.longitude);
|
||||
} else if (inFormat === "Military Grid Reference System") {
|
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const utm = geodesy.Mgrs.parse(input.replace(/[^A-Za-z0-9]/g, "")).toUtm();
|
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latlon = utm.toLatLonE();
|
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} else if (inFormat === "Ordnance Survey National Grid") {
|
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const osng = geodesy.OsGridRef.parse(input.replace(/[^A-Za-z0-9]/g, ""));
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latlon = geodesy.OsGridRef.osGridToLatLon(osng);
|
||||
} else if (inFormat === "Universal Transverse Mercator") {
|
||||
// Geodesy needs a space between the first 2 digits and the next letter
|
||||
if (/^[\d]{2}[A-Za-z]/.test(input)) {
|
||||
input = input.slice(0, 2) + " " + input.slice(2);
|
||||
}
|
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const utm = geodesy.Utm.parse(input);
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latlon = utm.toLatLonE();
|
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} else if (inFormat === "Degrees Minutes Seconds") {
|
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if (isPair) {
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// Split up the lat/long into degrees / minutes / seconds values
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const splitLat = splitInput(split[0]),
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splitLong = splitInput(split[1]);
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if (splitLat.length >= 3 && splitLong.length >= 3) {
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const lat = convDMSToDD(splitLat[0], splitLat[1], splitLat[2], 10);
|
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const long = convDMSToDD(splitLong[0], splitLong[1], splitLong[2], 10);
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latlon = new geodesy.LatLonEllipsoidal(lat.degrees, long.degrees);
|
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} else {
|
||||
throw "Invalid co-ordinate format for Degrees Minutes Seconds";
|
||||
}
|
||||
} else {
|
||||
// Not a pair, so only try to convert one set of co-ordinates
|
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const splitLat = splitInput(split[0]);
|
||||
if (splitLat.length >= 3) {
|
||||
const lat = convDMSToDD(splitLat[0], splitLat[1], splitLat[2]);
|
||||
latlon = new geodesy.LatLonEllipsoidal(lat.degrees, lat.degrees);
|
||||
} else {
|
||||
throw "Invalid co-ordinate format for Degrees Minutes Seconds";
|
||||
}
|
||||
}
|
||||
} else if (inFormat === "Degrees Decimal Minutes") {
|
||||
if (isPair) {
|
||||
const splitLat = splitInput(split[0]);
|
||||
const splitLong = splitInput(split[1]);
|
||||
if (splitLat.length !== 2 || splitLong.length !== 2) {
|
||||
throw "Invalid co-ordinate format for Degrees Decimal Minutes.";
|
||||
}
|
||||
// Convert to decimal degrees, and then convert to a geodesy object
|
||||
const lat = convDDMToDD(splitLat[0], splitLat[1], 10);
|
||||
const long = convDDMToDD(splitLong[0], splitLong[1], 10);
|
||||
latlon = new geodesy.LatLonEllipsoidal(lat.degrees, long.degrees);
|
||||
} else {
|
||||
// Not a pair, so only try to convert one set of co-ordinates
|
||||
const splitLat = splitInput(input);
|
||||
if (splitLat.length !== 2) {
|
||||
throw "Invalid co-ordinate format for Degrees Decimal Minutes.";
|
||||
}
|
||||
const lat = convDDMToDD(splitLat[0], splitLat[1], 10);
|
||||
latlon = new geodesy.LatLonEllipsoidal(lat.degrees, lat.degrees);
|
||||
}
|
||||
} else if (inFormat === "Decimal Degrees") {
|
||||
if (isPair) {
|
||||
const splitLat = splitInput(split[0]);
|
||||
const splitLong = splitInput(split[1]);
|
||||
if (splitLat.length !== 1 || splitLong.length !== 1) {
|
||||
throw "Invalid co-ordinate format for Decimal Degrees.";
|
||||
}
|
||||
latlon = new geodesy.LatLonEllipsoidal(splitLat[0], splitLong[0]);
|
||||
} else {
|
||||
// Not a pair, so only try to convert one set of co-ordinates
|
||||
const splitLat = splitInput(split[0]);
|
||||
if (splitLat.length !== 1) {
|
||||
throw "Invalid co-ordinate format for Decimal Degrees.";
|
||||
}
|
||||
latlon = new geodesy.LatLonEllipsoidal(splitLat[0], splitLat[0]);
|
||||
}
|
||||
} else {
|
||||
throw `Unknown input format '${inFormat}'`;
|
||||
}
|
||||
|
||||
// Everything is now a geodesy latlon object
|
||||
// These store the latitude and longitude as decimal
|
||||
if (inFormat.includes("Degrees")) {
|
||||
// If the input string contains directions, we need to check if they're S or W.
|
||||
// If either of the directions are, we should make the decimal value negative
|
||||
const dirs = input.match(/[NnEeSsWw]/g);
|
||||
if (dirs && dirs.length >= 1) {
|
||||
// Make positive lat/lon values with S/W directions into negative values
|
||||
if (dirs[0] === "S" || dirs[0] === "W" && latlon.lat > 0) {
|
||||
latlon.lat = 0 - latlon.lat;
|
||||
}
|
||||
if (dirs.length >= 2) {
|
||||
if (dirs[1] === "S" || dirs[1] === "W" && latlon.lon > 0) {
|
||||
latlon.lon = 0 - latlon.lon;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
// Try to find the compass directions of the lat and long
|
||||
const [latDir, longDir] = findDirs(latlon.lat + "," + latlon.lon, ",");
|
||||
// Output conversions for each output format
|
||||
if (outFormat === "Decimal Degrees") {
|
||||
// We could use the built in latlon.toString(),
|
||||
// but this makes adjusting the output harder
|
||||
const lat = convDDToDD(latlon.lat, precision);
|
||||
const lon = convDDToDD(latlon.lon, precision);
|
||||
convLat = lat.string;
|
||||
convLon = lon.string;
|
||||
} else if (outFormat === "Degrees Decimal Minutes") {
|
||||
const lat = convDDToDDM(latlon.lat, precision);
|
||||
const lon = convDDToDDM(latlon.lon, precision);
|
||||
convLat = lat.string;
|
||||
convLon = lon.string;
|
||||
} else if (outFormat === "Degrees Minutes Seconds") {
|
||||
const lat = convDDToDMS(latlon.lat, precision);
|
||||
const lon = convDDToDMS(latlon.lon, precision);
|
||||
convLat = lat.string;
|
||||
convLon = lon.string;
|
||||
} else if (outFormat === "Geohash") {
|
||||
convLat = geohash.encode(latlon.lat, latlon.lon, precision);
|
||||
} else if (outFormat === "Military Grid Reference System") {
|
||||
const utm = latlon.toUtm();
|
||||
const mgrs = utm.toMgrs();
|
||||
// MGRS wants a precision that's an even number between 2 and 10
|
||||
if (precision % 2 !== 0) {
|
||||
precision = precision + 1;
|
||||
}
|
||||
if (precision > 10) {
|
||||
precision = 10;
|
||||
}
|
||||
convLat = mgrs.toString(precision);
|
||||
} else if (outFormat === "Ordnance Survey National Grid") {
|
||||
const osng = geodesy.OsGridRef.latLonToOsGrid(latlon);
|
||||
if (osng.toString() === "") {
|
||||
throw "Could not convert co-ordinates to OS National Grid. Are the co-ordinates in range?";
|
||||
}
|
||||
// OSNG wants a precision that's an even number between 2 and 10
|
||||
if (precision % 2 !== 0) {
|
||||
precision = precision + 1;
|
||||
}
|
||||
if (precision > 10) {
|
||||
precision = 10;
|
||||
}
|
||||
convLat = osng.toString(precision);
|
||||
} else if (outFormat === "Universal Transverse Mercator") {
|
||||
const utm = latlon.toUtm();
|
||||
convLat = utm.toString(precision);
|
||||
}
|
||||
|
||||
if (convLat === undefined) {
|
||||
throw "Error converting co-ordinates.";
|
||||
}
|
||||
|
||||
if (outFormat.includes("Degrees")) {
|
||||
// Format DD/DDM/DMS for output
|
||||
// If we're outputting a compass direction, remove the negative sign
|
||||
if (latDir === "S" && includeDir !== "None") {
|
||||
convLat = convLat.replace("-", "");
|
||||
}
|
||||
if (longDir === "W" && includeDir !== "None") {
|
||||
convLon = convLon.replace("-", "");
|
||||
}
|
||||
|
||||
let outConv = "";
|
||||
if (includeDir === "Before") {
|
||||
outConv += latDir + " ";
|
||||
}
|
||||
|
||||
outConv += convLat;
|
||||
if (includeDir === "After") {
|
||||
outConv += " " + latDir;
|
||||
}
|
||||
outConv += outDelim;
|
||||
if (isPair) {
|
||||
if (includeDir === "Before") {
|
||||
outConv += longDir + " ";
|
||||
}
|
||||
outConv += convLon;
|
||||
if (includeDir === "After") {
|
||||
outConv += " " + longDir;
|
||||
}
|
||||
outConv += outDelim;
|
||||
}
|
||||
conv = outConv;
|
||||
} else {
|
||||
conv = convLat + outDelim;
|
||||
}
|
||||
|
||||
return conv;
|
||||
}
|
||||
|
||||
/**
|
||||
* Split up the input using a space or degrees signs, and sanitise the result
|
||||
* @param {string} input - The input data to be split
|
||||
* @returns {number[]} An array of the different items in the string, stored as floats
|
||||
*/
|
||||
function splitInput (input){
|
||||
const split = [];
|
||||
|
||||
input.split(/\s+/).forEach(item => {
|
||||
// Remove any character that isn't a digit, decimal point or negative sign
|
||||
item = item.replace(/[^0-9.-]/g, "");
|
||||
if (item.length > 0){
|
||||
// Turn the item into a float
|
||||
split.push(parseFloat(item));
|
||||
}
|
||||
});
|
||||
return split;
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert Degrees Minutes Seconds to Decimal Degrees
|
||||
* @param {number} degrees - The degrees of the input co-ordinates
|
||||
* @param {number} minutes - The minutes of the input co-ordinates
|
||||
* @param {number} seconds - The seconds of the input co-ordinates
|
||||
* @param {number} precision - The precision the result should be rounded to
|
||||
* @returns {{string: string, degrees: number}} An object containing the raw converted value (obj.degrees), and a formatted string version (obj.string)
|
||||
*/
|
||||
function convDMSToDD (degrees, minutes, seconds, precision){
|
||||
const absDegrees = Math.abs(degrees);
|
||||
let conv = absDegrees + (minutes / 60) + (seconds / 3600);
|
||||
let outString = round(conv, precision) + "°";
|
||||
if (isNegativeZero(degrees) || degrees < 0) {
|
||||
conv = -conv;
|
||||
outString = "-" + outString;
|
||||
}
|
||||
return {
|
||||
"degrees": conv,
|
||||
"string": outString
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert Decimal Degrees Minutes to Decimal Degrees
|
||||
* @param {number} degrees - The input degrees to be converted
|
||||
* @param {number} minutes - The input minutes to be converted
|
||||
* @param {number} precision - The precision which the result should be rounded to
|
||||
* @returns {{string: string, degrees: number}} An object containing the raw converted value (obj.degrees), and a formatted string version (obj.string)
|
||||
*/
|
||||
function convDDMToDD (degrees, minutes, precision) {
|
||||
const absDegrees = Math.abs(degrees);
|
||||
let conv = absDegrees + minutes / 60;
|
||||
let outString = round(conv, precision) + "°";
|
||||
if (isNegativeZero(degrees) || degrees < 0) {
|
||||
conv = -conv;
|
||||
outString = "-" + outString;
|
||||
}
|
||||
return {
|
||||
"degrees": conv,
|
||||
"string": outString
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert Decimal Degrees to Decimal Degrees
|
||||
* Doesn't affect the input, just puts it into an object
|
||||
* @param {number} degrees - The input degrees to be converted
|
||||
* @param {number} precision - The precision which the result should be rounded to
|
||||
* @returns {{string: string, degrees: number}} An object containing the raw converted value (obj.degrees), and a formatted string version (obj.string)
|
||||
*/
|
||||
function convDDToDD (degrees, precision) {
|
||||
return {
|
||||
"degrees": degrees,
|
||||
"string": round(degrees, precision) + "°"
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert Decimal Degrees to Degrees Minutes Seconds
|
||||
* @param {number} decDegrees - The input data to be converted
|
||||
* @param {number} precision - The precision which the result should be rounded to
|
||||
* @returns {{string: string, degrees: number, minutes: number, seconds: number}} An object containing the raw converted value as separate numbers (.degrees, .minutes, .seconds), and a formatted string version (obj.string)
|
||||
*/
|
||||
function convDDToDMS (decDegrees, precision) {
|
||||
const absDegrees = Math.abs(decDegrees);
|
||||
let degrees = Math.floor(absDegrees);
|
||||
const minutes = Math.floor(60 * (absDegrees - degrees)),
|
||||
seconds = round(3600 * (absDegrees - degrees) - 60 * minutes, precision);
|
||||
let outString = degrees + "° " + minutes + "' " + seconds + "\"";
|
||||
if (isNegativeZero(decDegrees) || decDegrees < 0) {
|
||||
degrees = -degrees;
|
||||
outString = "-" + outString;
|
||||
}
|
||||
return {
|
||||
"degrees": degrees,
|
||||
"minutes": minutes,
|
||||
"seconds": seconds,
|
||||
"string": outString
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert Decimal Degrees to Degrees Decimal Minutes
|
||||
* @param {number} decDegrees - The input degrees to be converted
|
||||
* @param {number} precision - The precision the input data should be rounded to
|
||||
* @returns {{string: string, degrees: number, minutes: number}} An object containing the raw converted value as separate numbers (.degrees, .minutes), and a formatted string version (obj.string)
|
||||
*/
|
||||
function convDDToDDM (decDegrees, precision) {
|
||||
const absDegrees = Math.abs(decDegrees);
|
||||
let degrees = Math.floor(absDegrees);
|
||||
const minutes = absDegrees - degrees,
|
||||
decMinutes = round(minutes * 60, precision);
|
||||
let outString = degrees + "° " + decMinutes + "'";
|
||||
if (decDegrees < 0 || isNegativeZero(decDegrees)) {
|
||||
degrees = -degrees;
|
||||
outString = "-" + outString;
|
||||
}
|
||||
|
||||
return {
|
||||
"degrees": degrees,
|
||||
"minutes": decMinutes,
|
||||
"string": outString,
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Finds and returns the compass directions in an input string
|
||||
* @param {string} input - The input co-ordinates containing the direction
|
||||
* @param {string} delim - The delimiter separating latitide and longitude
|
||||
* @returns {string[]} String array containing the latitude and longitude directions
|
||||
*/
|
||||
export function findDirs(input, delim) {
|
||||
const upperInput = input.toUpperCase();
|
||||
const dirExp = new RegExp(/[NESW]/g);
|
||||
|
||||
const dirs = upperInput.match(dirExp);
|
||||
|
||||
if (dirs) {
|
||||
// If there's actually compass directions
|
||||
// in the input, use these to work out the direction
|
||||
if (dirs.length <= 2 && dirs.length >= 1) {
|
||||
if (dirs.length === 2) {
|
||||
return [dirs[0], dirs[1]];
|
||||
} else {
|
||||
return [dirs[0], ""];
|
||||
}
|
||||
}
|
||||
}
|
||||
// Nothing was returned, so guess the directions
|
||||
let lat = upperInput,
|
||||
long,
|
||||
latDir = "",
|
||||
longDir = "";
|
||||
if (!delim.includes("Direction")) {
|
||||
if (upperInput.includes(delim)) {
|
||||
const split = upperInput.split(delim);
|
||||
if (split.length >= 1) {
|
||||
if (split[0] !== "") {
|
||||
lat = split[0];
|
||||
}
|
||||
if (split.length >= 2) {
|
||||
if (split[1] !== "") {
|
||||
long = split[1];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
const split = upperInput.split(dirExp);
|
||||
if (split.length > 1) {
|
||||
if (split[0] === "") {
|
||||
lat = split[1];
|
||||
} else {
|
||||
lat = split[0];
|
||||
}
|
||||
if (split.length > 2) {
|
||||
if (split[2] !== "") {
|
||||
long = split[2];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (lat) {
|
||||
lat = parseFloat(lat);
|
||||
if (lat < 0) {
|
||||
latDir = "S";
|
||||
} else {
|
||||
latDir = "N";
|
||||
}
|
||||
}
|
||||
if (long) {
|
||||
long = parseFloat(long);
|
||||
if (long < 0) {
|
||||
longDir = "W";
|
||||
} else {
|
||||
longDir = "E";
|
||||
}
|
||||
}
|
||||
|
||||
return [latDir, longDir];
|
||||
}
|
||||
|
||||
/**
|
||||
* Detects the co-ordinate format of the input data
|
||||
* @param {string} input - The input data whose format we need to detect
|
||||
* @param {string} delim - The delimiter separating the data in input
|
||||
* @returns {string} The input format
|
||||
*/
|
||||
export function findFormat (input, delim) {
|
||||
let testData;
|
||||
const mgrsPattern = new RegExp(/^[0-9]{2}\s?[C-HJ-NP-X]{1}\s?[A-HJ-NP-Z][A-HJ-NP-V]\s?[0-9\s]+/),
|
||||
osngPattern = new RegExp(/^[A-HJ-Z]{2}\s+[0-9\s]+$/),
|
||||
geohashPattern = new RegExp(/^[0123456789BCDEFGHJKMNPQRSTUVWXYZ]+$/),
|
||||
utmPattern = new RegExp(/^[0-9]{2}\s?[C-HJ-NP-X]\s[0-9.]+\s?[0-9.]+$/),
|
||||
degPattern = new RegExp(/[°'"]/g);
|
||||
input = input.trim();
|
||||
if (delim !== null && delim.includes("Direction")) {
|
||||
const split = input.split(/[NnEeSsWw]/);
|
||||
if (split.length > 1) {
|
||||
if (split[0] === "") {
|
||||
testData = split[1];
|
||||
} else {
|
||||
testData = split[0];
|
||||
}
|
||||
}
|
||||
} else if (delim !== null && delim !== "") {
|
||||
if (input.includes(delim)) {
|
||||
const split = input.split(delim);
|
||||
if (split.length > 1) {
|
||||
if (split[0] === "") {
|
||||
testData = split[1];
|
||||
} else {
|
||||
testData = split[0];
|
||||
}
|
||||
}
|
||||
} else {
|
||||
testData = input;
|
||||
}
|
||||
}
|
||||
|
||||
// Test non-degrees formats
|
||||
if (!degPattern.test(input)) {
|
||||
const filteredInput = input.toUpperCase().replace(delim, "");
|
||||
const isMgrs = mgrsPattern.test(filteredInput);
|
||||
const isOsng = osngPattern.test(filteredInput);
|
||||
const isGeohash = geohashPattern.test(filteredInput);
|
||||
const isUtm = utmPattern.test(filteredInput);
|
||||
if (isUtm) {
|
||||
return "Universal Transverse Mercator";
|
||||
}
|
||||
if (isMgrs) {
|
||||
return "Military Grid Reference System";
|
||||
}
|
||||
if (isOsng) {
|
||||
return "Ordnance Survey National Grid";
|
||||
}
|
||||
if (isGeohash) {
|
||||
return "Geohash";
|
||||
}
|
||||
}
|
||||
|
||||
// Test DMS/DDM/DD formats
|
||||
if (testData !== undefined) {
|
||||
const split = splitInput(testData);
|
||||
switch (split.length){
|
||||
case 3:
|
||||
return "Degrees Minutes Seconds";
|
||||
case 2:
|
||||
return "Degrees Decimal Minutes";
|
||||
case 1:
|
||||
return "Decimal Degrees";
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Automatically find the delimeter type from the given input
|
||||
* @param {string} input
|
||||
* @returns {string} Delimiter type
|
||||
*/
|
||||
export function findDelim (input) {
|
||||
input = input.trim();
|
||||
const delims = [",", ";", ":"];
|
||||
const testDir = input.match(/[NnEeSsWw]/g);
|
||||
if (testDir !== null && testDir.length > 0 && testDir.length < 3) {
|
||||
// Possibly contains a direction
|
||||
const splitInput = input.split(/[NnEeSsWw]/);
|
||||
if (splitInput.length <= 3 && splitInput.length > 0) {
|
||||
// If there's 3 splits (one should be empty), then assume we have directions
|
||||
if (splitInput[0] === "") {
|
||||
return "Direction Preceding";
|
||||
} else if (splitInput[splitInput.length - 1] === "") {
|
||||
return "Direction Following";
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Loop through the standard delimiters, and try to find them in the input
|
||||
for (let i = 0; i < delims.length; i++) {
|
||||
const delim = delims[i];
|
||||
if (input.includes(delim)) {
|
||||
const splitInput = input.split(delim);
|
||||
if (splitInput.length <= 3 && splitInput.length > 0) {
|
||||
// Don't want to try and convert more than 2 co-ordinates
|
||||
return delim;
|
||||
}
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the real string for a delimiter name.
|
||||
* @param {string} delim The delimiter to be matched
|
||||
* @returns {string}
|
||||
*/
|
||||
export function realDelim (delim) {
|
||||
return {
|
||||
"Auto": "Auto",
|
||||
"Space": " ",
|
||||
"\\n": "\n",
|
||||
"Comma": ",",
|
||||
"Semi-colon": ";",
|
||||
"Colon": ":"
|
||||
}[delim];
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns true if a zero is negative
|
||||
* @param {number} zero
|
||||
*/
|
||||
function isNegativeZero(zero) {
|
||||
return zero === 0 && (1/zero < 0);
|
||||
}
|
||||
|
||||
/**
|
||||
* Rounds a number to a specified number of decimal places
|
||||
* @param {number} input - The number to be rounded
|
||||
* @param {precision} precision - The number of decimal places the number should be rounded to
|
||||
* @returns {number}
|
||||
*/
|
||||
function round(input, precision) {
|
||||
precision = Math.pow(10, precision);
|
||||
return Math.round(input * precision) / precision;
|
||||
}
|
|
@ -0,0 +1,100 @@
|
|||
/**
|
||||
* @author j433866 [j433866@gmail.com]
|
||||
* @copyright Crown Copyright 2019
|
||||
* @license Apache-2.0
|
||||
*/
|
||||
|
||||
import Operation from "../Operation";
|
||||
import OperationError from "../errors/OperationError";
|
||||
import {FORMATS, convertCoordinates} from "../lib/ConvertCoordinates";
|
||||
|
||||
/**
|
||||
* Convert co-ordinate format operation
|
||||
*/
|
||||
class ConvertCoordinateFormat extends Operation {
|
||||
|
||||
/**
|
||||
* ConvertCoordinateFormat constructor
|
||||
*/
|
||||
constructor() {
|
||||
super();
|
||||
|
||||
this.name = "Convert co-ordinate format";
|
||||
this.module = "Hashing";
|
||||
this.description = "Convert geographical coordinates between different formats.<br><br>Supported formats:<ul><li>Degrees Minutes Seconds (DMS)</li><li>Degrees Decimal Minutes (DDM)</li><li>Decimal Degrees (DD)</li><li>Geohash</li><li>Military Grid Reference System (MGRS)</li><li>Ordnance Survey National Grid (OSNG)</li><li>Universal Transverse Mercator (UTM)</li></ul><br>The operation can try to detect the input co-ordinate format and delimiter automatically, but this may not always work correctly.";
|
||||
this.infoURL = "https://wikipedia.org/wiki/Geographic_coordinate_conversion";
|
||||
this.inputType = "string";
|
||||
this.outputType = "string";
|
||||
this.args = [
|
||||
{
|
||||
"name": "Input Format",
|
||||
"type": "option",
|
||||
"value": ["Auto"].concat(FORMATS)
|
||||
},
|
||||
{
|
||||
"name": "Input Delimiter",
|
||||
"type": "option",
|
||||
"value": [
|
||||
"Auto",
|
||||
"Direction Preceding",
|
||||
"Direction Following",
|
||||
"\\n",
|
||||
"Comma",
|
||||
"Semi-colon",
|
||||
"Colon"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "Output Format",
|
||||
"type": "option",
|
||||
"value": FORMATS
|
||||
},
|
||||
{
|
||||
"name": "Output Delimiter",
|
||||
"type": "option",
|
||||
"value": [
|
||||
"Space",
|
||||
"\\n",
|
||||
"Comma",
|
||||
"Semi-colon",
|
||||
"Colon"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "Include Compass Directions",
|
||||
"type": "option",
|
||||
"value": [
|
||||
"None",
|
||||
"Before",
|
||||
"After"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "Precision",
|
||||
"type": "number",
|
||||
"value": 3
|
||||
}
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
run(input, args) {
|
||||
if (input.replace(/[\s+]/g, "") !== "") {
|
||||
const [inFormat, inDelim, outFormat, outDelim, incDirection, precision] = args;
|
||||
try {
|
||||
const result = convertCoordinates(input, inFormat, inDelim, outFormat, outDelim, incDirection, precision);
|
||||
return result;
|
||||
} catch (error) {
|
||||
throw new OperationError(error);
|
||||
}
|
||||
} else {
|
||||
return input;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export default ConvertCoordinateFormat;
|
|
@ -1,44 +0,0 @@
|
|||
/**
|
||||
* @author gchq77703 []
|
||||
* @copyright Crown Copyright 2018
|
||||
* @license Apache-2.0
|
||||
*/
|
||||
|
||||
import Operation from "../Operation";
|
||||
import geohash from "ngeohash";
|
||||
|
||||
/**
|
||||
* From Geohash operation
|
||||
*/
|
||||
class FromGeohash extends Operation {
|
||||
|
||||
/**
|
||||
* FromGeohash constructor
|
||||
*/
|
||||
constructor() {
|
||||
super();
|
||||
|
||||
this.name = "From Geohash";
|
||||
this.module = "Crypto";
|
||||
this.description = "Converts Geohash strings into Lat/Long coordinates. For example, <code>ww8p1r4t8</code> becomes <code>37.8324,112.5584</code>.";
|
||||
this.infoURL = "https://wikipedia.org/wiki/Geohash";
|
||||
this.inputType = "string";
|
||||
this.outputType = "string";
|
||||
this.args = [];
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
run(input, args) {
|
||||
return input.split("\n").map(line => {
|
||||
const coords = geohash.decode(line);
|
||||
return [coords.latitude, coords.longitude].join(",");
|
||||
}).join("\n");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
export default FromGeohash;
|
|
@ -1,53 +0,0 @@
|
|||
/**
|
||||
* @author gchq77703 []
|
||||
* @copyright Crown Copyright 2018
|
||||
* @license Apache-2.0
|
||||
*/
|
||||
|
||||
import Operation from "../Operation";
|
||||
import geohash from "ngeohash";
|
||||
|
||||
/**
|
||||
* To Geohash operation
|
||||
*/
|
||||
class ToGeohash extends Operation {
|
||||
|
||||
/**
|
||||
* ToGeohash constructor
|
||||
*/
|
||||
constructor() {
|
||||
super();
|
||||
|
||||
this.name = "To Geohash";
|
||||
this.module = "Crypto";
|
||||
this.description = "Converts Lat/Long coordinates into a Geohash string. For example, <code>37.8324,112.5584</code> becomes <code>ww8p1r4t8</code>.";
|
||||
this.infoURL = "https://wikipedia.org/wiki/Geohash";
|
||||
this.inputType = "string";
|
||||
this.outputType = "string";
|
||||
this.args = [
|
||||
{
|
||||
name: "Precision",
|
||||
type: "number",
|
||||
value: 9
|
||||
}
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
run(input, args) {
|
||||
const [precision] = args;
|
||||
|
||||
return input.split("\n").map(line => {
|
||||
line = line.replace(/ /g, "");
|
||||
if (line === "") return "";
|
||||
return geohash.encode(...line.split(",").map(num => parseFloat(num)), precision);
|
||||
}).join("\n");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
export default ToGeohash;
|
|
@ -45,7 +45,6 @@ import "./tests/DateTime";
|
|||
import "./tests/ExtractEmailAddresses";
|
||||
import "./tests/Fork";
|
||||
import "./tests/FromDecimal";
|
||||
import "./tests/FromGeohash";
|
||||
import "./tests/Hash";
|
||||
import "./tests/HaversineDistance";
|
||||
import "./tests/Hexdump";
|
||||
|
@ -77,13 +76,13 @@ import "./tests/SetUnion";
|
|||
import "./tests/StrUtils";
|
||||
import "./tests/SymmetricDifference";
|
||||
import "./tests/TextEncodingBruteForce";
|
||||
import "./tests/ToGeohash";
|
||||
import "./tests/TranslateDateTimeFormat";
|
||||
import "./tests/Magic";
|
||||
import "./tests/ParseTLV";
|
||||
import "./tests/Media";
|
||||
import "./tests/ToFromInsensitiveRegex";
|
||||
import "./tests/YARA.mjs";
|
||||
import "./tests/ConvertCoordinateFormat";
|
||||
|
||||
// Cannot test operations that use the File type yet
|
||||
//import "./tests/SplitColourChannels";
|
||||
|
|
|
@ -0,0 +1,211 @@
|
|||
/**
|
||||
* Convert co-ordinate format tests
|
||||
*
|
||||
* @author j433866
|
||||
*
|
||||
* @copyright Crown Copyright 2019
|
||||
* @license Apache-2.0
|
||||
*/
|
||||
|
||||
/**
|
||||
* TEST CO-ORDINATES
|
||||
* DD: 51.504°,-0.126°,
|
||||
* DDM: 51° 30.24',-0° 7.56',
|
||||
* DMS: 51° 30' 14.4",-0° 7' 33.6",
|
||||
* Geohash: gcpvj0h0x,
|
||||
* MGRS: 30U XC 99455 09790,
|
||||
* OSNG: TQ 30163 80005,
|
||||
* UTM: 30N 699456 5709791,
|
||||
*/
|
||||
|
||||
import TestRegister from "../TestRegister";
|
||||
|
||||
TestRegister.addTests([
|
||||
{
|
||||
name: "Co-ordinates: From Decimal Degrees to Degrees Minutes Seconds",
|
||||
input: "51.504°,-0.126°,",
|
||||
expectedOutput: "51° 30' 14.4\",-0° 7' 33.6\",",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Decimal Degrees", "Comma", "Degrees Minutes Seconds", "Comma", "None", 1]
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: From Degrees Minutes Seconds to Decimal Degrees",
|
||||
input: "51° 30' 14.4\",-0° 7' 33.6\",",
|
||||
expectedOutput: "51.504°,-0.126°,",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Degrees Minutes Seconds", "Comma", "Decimal Degrees", "Comma", "None", 3]
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: From Decimal Degrees to Degrees Decimal Minutes",
|
||||
input: "51.504°,-0.126°,",
|
||||
expectedOutput: "51° 30.24',-0° 7.56',",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Decimal Degrees", "Comma", "Degrees Decimal Minutes", "Comma", "None", 2]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: From Degrees Decimal Minutes to Decimal Degrees",
|
||||
input: "51° 30.24',-0° 7.56',",
|
||||
expectedOutput: "51.504°,-0.126°,",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Degrees Decimal Minutes", "Comma", "Decimal Degrees", "Comma", "None", 3]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: From Decimal Degrees to Decimal Degrees",
|
||||
input: "51.504°,-0.126°,",
|
||||
expectedOutput: "51.504°,-0.126°,",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Decimal Degrees", "Comma", "Decimal Degrees", "Comma", "None", 3]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: From Decimal Degrees to Geohash",
|
||||
input: "51.504°,-0.126°,",
|
||||
expectedOutput: "gcpvj0h0x,",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Decimal Degrees", "Comma", "Geohash", "Comma", "None", 9]
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: From Geohash to Decimal Degrees",
|
||||
input: "gcpvj0h0x,",
|
||||
expectedOutput: "51.504°,-0.126°,",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Geohash", "Comma", "Decimal Degrees", "Comma", "None", 3]
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: From Decimal Degrees to MGRS",
|
||||
input: "51.504°,-0.126°,",
|
||||
expectedOutput: "30U XC 99455 09790,",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Decimal Degrees", "Comma", "Military Grid Reference System", "Comma", "None", 10]
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: From MGRS to Decimal Degrees",
|
||||
input: "30U XC 99455 09790,",
|
||||
expectedOutput: "51.504°,-0.126°,",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Military Grid Reference System", "Comma", "Decimal Degrees", "Comma", "None", 3]
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: From Decimal Degrees to OSNG",
|
||||
input: "51.504°,-0.126°,",
|
||||
expectedOutput: "TQ 30163 80005,",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Decimal Degrees", "Comma", "Ordnance Survey National Grid", "Comma", "None", 10]
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: From OSNG to Decimal Degrees",
|
||||
input: "TQ 30163 80005,",
|
||||
expectedOutput: "51.504°,-0.126°,",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Ordnance Survey National Grid", "Comma", "Decimal Degrees", "Comma", "None", 3]
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: From Decimal Degrees to UTM",
|
||||
input: "51.504°,-0.126°,",
|
||||
expectedOutput: "30 N 699456 5709791,",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Decimal Degrees", "Comma", "Universal Transverse Mercator", "Comma", "None", 0]
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: From UTM to Decimal Degrees",
|
||||
input: "30 N 699456 5709791,",
|
||||
expectedOutput: "51.504°,-0.126°,",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Universal Transverse Mercator", "Comma", "Decimal Degrees", "Comma", "None", 3]
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: Directions in input, not output",
|
||||
input: "N51.504°,W0.126°,",
|
||||
expectedOutput: "51.504°,-0.126°,",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Decimal Degrees", "Comma", "Decimal Degrees", "Comma", "None", 3]
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: Directions in input and output",
|
||||
input: "N51.504°,W0.126°,",
|
||||
expectedOutput: "N 51.504°,W 0.126°,",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Decimal Degrees", "Comma", "Decimal Degrees", "Comma", "Before", 3]
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: Directions not in input, in output",
|
||||
input: "51.504°,-0.126°,",
|
||||
expectedOutput: "N 51.504°,W 0.126°,",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Decimal Degrees", "Comma", "Decimal Degrees", "Comma", "Before", 3]
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "Co-ordinates: Directions not in input, in converted output",
|
||||
input: "51.504°,-0.126°,",
|
||||
expectedOutput: "N 51° 30' 14.4\",W 0° 7' 33.6\",",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Convert co-ordinate format",
|
||||
args: ["Decimal Degrees", "Comma", "Degrees Minutes Seconds", "Comma", "Before", 3]
|
||||
},
|
||||
],
|
||||
}
|
||||
]);
|
|
@ -1,55 +0,0 @@
|
|||
/**
|
||||
* To Geohash tests
|
||||
*
|
||||
* @author gchq77703
|
||||
* @copyright Crown Copyright 2018
|
||||
* @license Apache-2.0
|
||||
*/
|
||||
import TestRegister from "../TestRegister";
|
||||
|
||||
TestRegister.addTests([
|
||||
{
|
||||
name: "From Geohash",
|
||||
input: "ww8p1r4t8",
|
||||
expectedOutput: "37.83238649368286,112.55838632583618",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "From Geohash",
|
||||
args: [],
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "From Geohash",
|
||||
input: "ww8p1r",
|
||||
expectedOutput: "37.83416748046875,112.5604248046875",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "From Geohash",
|
||||
args: [],
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "From Geohash",
|
||||
input: "ww8",
|
||||
expectedOutput: "37.265625,113.203125",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "From Geohash",
|
||||
args: [],
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "From Geohash",
|
||||
input: "w",
|
||||
expectedOutput: "22.5,112.5",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "From Geohash",
|
||||
args: [],
|
||||
},
|
||||
],
|
||||
},
|
||||
]);
|
|
@ -1,55 +0,0 @@
|
|||
/**
|
||||
* To Geohash tests
|
||||
*
|
||||
* @author gchq77703
|
||||
* @copyright Crown Copyright 2018
|
||||
* @license Apache-2.0
|
||||
*/
|
||||
import TestRegister from "../TestRegister";
|
||||
|
||||
TestRegister.addTests([
|
||||
{
|
||||
name: "To Geohash",
|
||||
input: "37.8324,112.5584",
|
||||
expectedOutput: "ww8p1r4t8",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "To Geohash",
|
||||
args: [9],
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "To Geohash",
|
||||
input: "37.9324,-112.2584",
|
||||
expectedOutput: "9w8pv3ruj",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "To Geohash",
|
||||
args: [9],
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "To Geohash",
|
||||
input: "37.8324,112.5584",
|
||||
expectedOutput: "ww8",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "To Geohash",
|
||||
args: [3],
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "To Geohash",
|
||||
input: "37.9324,-112.2584",
|
||||
expectedOutput: "9w8pv3rujxy5b99",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "To Geohash",
|
||||
args: [15],
|
||||
},
|
||||
],
|
||||
},
|
||||
]);
|
Loading…
Reference in New Issue