@antv/geo-coord

--- package.json (entry) ---
{
  "name": "@antv/geo-coord",
  "version": "1.0.8",
  "description": "> 地理坐标系",
  "author": "https://github.com/orgs/antvis/people",
  "homepage": "",
  "license": "ISC",
  "main": "lib/index.js",
  "types": "lib/index.d.ts",
  "directories": {
    "lib": "lib",
    "test": "__tests__"
  },
  "files": [
    "lib"
  ],
  "publishConfig": {
    "access": "public"
  },
  "repository": {
    "type": "git",
    "url": ""
  },
  "scripts": {
    "build": "rm -rf lib && tsc",
    "prepublish": " rm -rf lib && tsc -p ./ --outDir lib/",
    "coverage": "npm run coverage-generator && npm run coverage-viewer",
    "coverage-generator": "torch --coverage --compile  --renderer --source-pattern ./src/**/*.js --recursive ./__tests__/unit/",
    "coverage-viewer": "node node_modules/@antv/torch/bin/coverage",
    "test": "torch --compile --recursive ./__tests__/unit",
    "test-all": "npm run test && npm run test-bugs",
    "test-bugs": "torch --compile --renderer --recursive ./__tests__/bugs",
    "test-bugs-live": "torch --compile --interactive --watch --recursive ./__tests__/bugs",
    "test-live": "torch --compile --interactive --watch --recursive ./__tests__/unit",
    "tsc": "tsc --noEmit"


--- index.js (entry) ---
"use strict";
exports.__esModule = true;
var GeoCoordinates = require("./geo");
exports.GeoCoordinates = GeoCoordinates;
var bounds_1 = require("./geo/geometry/bounds");
exports.Bounds = bounds_1.Bounds;
exports.toBounds = bounds_1.toBounds;
var lng_lat_1 = require("./geo/geometry/lng-lat");
exports.LngLat = lng_lat_1.LngLat;
exports.toLngLat = lng_lat_1.toLngLat;
var lng_lat_bounds_1 = require("./geo/geometry/lng-lat-bounds");
exports.LngLatBounds = lng_lat_bounds_1.LngLatBounds;
exports.toLngLatBounds = lng_lat_bounds_1.toLngLatBounds;
var point_1 = require("./geo/geometry/point");
exports.Point = point_1.Point;
exports.toPoint = point_1.toPoint;
//# sourceMappingURL=index.js.map

--- bundled output (OSV-MAL flagged — LLM scope expansion) ---

--- lib/geo/projection/lnglat-projection.js (bundled) ---
"use strict";
exports.__esModule = true;
var lng_lat_1 = require("../geometry/lng-lat");
var bounds_1 = require("../geometry/bounds");
var point_1 = require("../geometry/point");
exports.lngLatProjection = {
    project: function (lngLat) {
        return new point_1.Point(lngLat.lng, lngLat.lat);
    },
    unproject: function (point) {
        return new lng_lat_1.LngLat(point.x, point.y);
    },
    bounds: new bounds_1.Bounds([-180, -90], [180, 90])
};
//# sourceMappingURL=lnglat-projection.js.map

--- lib/geo/projection/spherical-mercator.js (bundled) ---
"use strict";
exports.__esModule = true;
var lng_lat_1 = require("../geometry/lng-lat");
var bounds_1 = require("../geometry/bounds");
var point_1 = require("../geometry/point");
exports.sphericalMercator = {
    R: 6378137,
    MAX_LATITUDE: 85.0511287798,
    /**
     * 经纬度坐标转平面坐标
     * @param lnglat 经纬度
     */
    project: function (lnglat) {
        var d = Math.PI / 180;
        var max = this.MAX_LATITUDE;
        var lat = Math.max(Math.min(max, lnglat.lat), -max);
        var sin = Math.sin(lat * d);
        return new point_1.Point(this.R * lnglat.lng * d, (this.R * Math.log((1 + sin) / (1 - sin))) / 2);
    },
    // 平面坐标转经纬度
    unproject: function (point) {
        var d = 180 / Math.PI;
        return new lng_lat_1.LngLat((point.x * d) / this.R, (2 * Math.atan(Math.exp(point.y / this.R)) - Math.PI / 2) * d);
    },
    bounds: (function () {
        var d = 6378137 * Math.PI;
        return new bounds_1.Bounds([-d, -d], [d, d]);
    })()
};
//# sourceMappingURL=spherical-mercator.js.map

--- lib/geo/geometry/lng-lat-bounds.js (bundled) ---
"use strict";
exports.__esModule = true;
var lng_lat_1 = require("./lng-lat");
var LngLatBounds = /** @class */ (function () {
    function LngLatBounds(corner1, corner2) {
        if (!corner1) {
            return;
        }
        var latlngs = corner2 ? [corner1, corner2] : corner1;
        if (Array.isArray(latlngs)) {
            for (var i = 0, len = latlngs.length; i < len; i += 1) {
                // @ts-ignore
                this.extend(latlngs[i]);
            }
        }
    }
    LngLatBounds.prototype.extend = function (obj) {
        var sw = this.southWest;
        var ne = this.northEast;
        var sw2;
        var ne2;
        if (obj instanceof lng_lat_1.LngLat) {
            sw2 = obj;
            ne2 = obj;
        }
        else if (obj instanceof LngLatBounds) {
            sw2 = obj.southWest;
            ne2 = obj.northEast;
            if (!sw2 || !ne2) {
                return this;
            }
        }
        else {
            if (obj && Array.isArray(obj)) {
                if (Array.isArray(obj[0])) {
                    return this.extend(toLngLatBounds(obj));
                }
                return this.extend(lng_lat_1.toLngLat(obj));
            }
            return this;
        }
        if (!sw && !ne) {
            this.southWest = new lng_lat_1.LngLat(sw2.lng, sw2.lat);
            this.northEast = new lng_lat_1.LngLat(ne2.lng, ne2.lat);
        }
        else {
            sw.lat = Math.min(sw2.lat, sw.lat);
            sw.lng = Math.min(sw2.lng, sw.lng);
            ne.lat = Math.max(ne2.lat, ne.lat);
            ne.lng = Math.max(ne2.lng, ne.lng);
        }
        return this;
    };
    /**
     * 放大或者缩小区域
     * @param bufferRatio 缩放比率
     */
    LngLatBounds.prototype.pad = function (bufferRatio) {
        var sw = this.southWest;
        var ne = this.northEast;
        var heightBuffer = Math.abs(sw.lat - ne.lat) * bufferRatio;
        var widthBuffer = Math.abs(sw.lng - ne.lng) * bufferRatio;
        retur

--- lib/geo/crs/crs-epsg3857.js (bundled) ---
"use strict";
exports.__esModule = true;
var earth_1 = require("./earth");
var spherical_mercator_1 = require("../projection/spherical-mercator");
var transformation_1 = require("../transformation");
var util_1 = require("@antv/util");
var scale = 0.5 / (Math.PI * spherical_mercator_1.sphericalMercator.R);
var transform = new transformation_1.Transformation(scale, 0.5, -scale, 0.5);
// @ts-ignore
exports.epsg3857 = util_1.mix({}, earth_1.earth, {
    code: 'EPSG:3857',
    projection: spherical_mercator_1.sphericalMercator,
    transformation: transform
});
exports.epsg900913 = util_1.mix({}, exports.epsg3857, {
    code: 'EPSG:900913'
});
//# sourceMappingURL=crs-epsg3857.js.map

--- lib/geo/crs/crs-epsg4326.js (bundled) ---
"use strict";
exports.__esModule = true;
var earth_1 = require("./earth");
var lnglat_projection_1 = require("../projection/lnglat-projection");
var transformation_1 = require("../transformation");
var util_1 = require("@antv/util");
var transform = new transformation_1.Transformation(1 / 180, 1, -1 / 180, 0.5);
exports.epsg4326 = util_1.mix({}, earth_1.earth, {
    code: 'EPSG:4326',
    projection: lnglat_projection_1.lngLatProjection,
    transformation: transform
});
//# sourceMappingURL=crs-epsg4326.js.map

--- lib/geo/crs/crs-simple.js (bundled) ---
"use strict";
exports.__esModule = true;
var crs_1 = require("./crs");
var lnglat_projection_1 = require("../projection/lnglat-projection");
var transformation_1 = require("../transformation");
var util_1 = require("@antv/util");
var transform = new transformation_1.Transformation(1, 0, -1, 0);
// @ts-ignore
exports.simple = util_1.mix({}, crs_1.CRS, {
    projection: lnglat_projection_1.lngLatProjection,
    transformation: transform,
    scale: function (zoom) {
        return Math.pow(2, zoom);
    },
    zoom: function (scale) {
        return Math.log(scale) / Math.LN2;
    },
    distance: function (latlng1, latlng2) {
        var dx = latlng2.lng - latlng1.lng;
        var dy = latlng2.lat - latlng1.lat;
        return Math.sqrt(dx * dx + dy * dy);
    },
    infinite: true
});
//# sourceMappingURL=crs-simple.js.map