1993 lines
73 KiB
JavaScript
1993 lines
73 KiB
JavaScript
/**
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* @license
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* Cesium - https://github.com/CesiumGS/cesium
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* Version 1.143.0
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*
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* Copyright 2011-2022 Cesium Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Columbus View (Pat. Pend.)
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*
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* Portions licensed separately.
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* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
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*/
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import {
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Cartesian3_default
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} from "./chunk-ZSGUV73H.js";
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import {
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Math_default
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} from "./chunk-C7JQVRLM.js";
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import {
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Check_default,
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DeveloperError_default
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} from "./chunk-6YR6JBMY.js";
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import {
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__publicField,
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defined_default
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} from "./chunk-AHWAZRBV.js";
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// packages/engine/Source/Core/scaleToGeodeticSurface.js
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var scaleToGeodeticSurfaceIntersection = new Cartesian3_default();
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var scaleToGeodeticSurfaceGradient = new Cartesian3_default();
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function scaleToGeodeticSurface(cartesian, oneOverRadii, oneOverRadiiSquared, centerToleranceSquared, result) {
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if (!defined_default(cartesian)) {
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throw new DeveloperError_default("cartesian is required.");
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}
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if (!defined_default(oneOverRadii)) {
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throw new DeveloperError_default("oneOverRadii is required.");
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}
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if (!defined_default(oneOverRadiiSquared)) {
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throw new DeveloperError_default("oneOverRadiiSquared is required.");
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}
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if (!defined_default(centerToleranceSquared)) {
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throw new DeveloperError_default("centerToleranceSquared is required.");
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}
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const positionX = cartesian.x;
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const positionY = cartesian.y;
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const positionZ = cartesian.z;
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const oneOverRadiiX = oneOverRadii.x;
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const oneOverRadiiY = oneOverRadii.y;
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const oneOverRadiiZ = oneOverRadii.z;
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const x2 = positionX * positionX * oneOverRadiiX * oneOverRadiiX;
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const y2 = positionY * positionY * oneOverRadiiY * oneOverRadiiY;
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const z2 = positionZ * positionZ * oneOverRadiiZ * oneOverRadiiZ;
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const squaredNorm = x2 + y2 + z2;
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const ratio = Math.sqrt(1 / squaredNorm);
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const intersection = Cartesian3_default.multiplyByScalar(
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cartesian,
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ratio,
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scaleToGeodeticSurfaceIntersection
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);
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if (squaredNorm < centerToleranceSquared) {
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return !isFinite(ratio) ? void 0 : Cartesian3_default.clone(intersection, result);
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}
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const oneOverRadiiSquaredX = oneOverRadiiSquared.x;
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const oneOverRadiiSquaredY = oneOverRadiiSquared.y;
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const oneOverRadiiSquaredZ = oneOverRadiiSquared.z;
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const gradient = scaleToGeodeticSurfaceGradient;
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gradient.x = intersection.x * oneOverRadiiSquaredX * 2;
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gradient.y = intersection.y * oneOverRadiiSquaredY * 2;
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gradient.z = intersection.z * oneOverRadiiSquaredZ * 2;
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let lambda = (1 - ratio) * Cartesian3_default.magnitude(cartesian) / (0.5 * Cartesian3_default.magnitude(gradient));
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let correction = 0;
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let func;
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let denominator;
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let xMultiplier;
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let yMultiplier;
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let zMultiplier;
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let xMultiplier2;
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let yMultiplier2;
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let zMultiplier2;
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let xMultiplier3;
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let yMultiplier3;
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let zMultiplier3;
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do {
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lambda -= correction;
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xMultiplier = 1 / (1 + lambda * oneOverRadiiSquaredX);
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yMultiplier = 1 / (1 + lambda * oneOverRadiiSquaredY);
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zMultiplier = 1 / (1 + lambda * oneOverRadiiSquaredZ);
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xMultiplier2 = xMultiplier * xMultiplier;
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yMultiplier2 = yMultiplier * yMultiplier;
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zMultiplier2 = zMultiplier * zMultiplier;
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xMultiplier3 = xMultiplier2 * xMultiplier;
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yMultiplier3 = yMultiplier2 * yMultiplier;
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zMultiplier3 = zMultiplier2 * zMultiplier;
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func = x2 * xMultiplier2 + y2 * yMultiplier2 + z2 * zMultiplier2 - 1;
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denominator = x2 * xMultiplier3 * oneOverRadiiSquaredX + y2 * yMultiplier3 * oneOverRadiiSquaredY + z2 * zMultiplier3 * oneOverRadiiSquaredZ;
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const derivative = -2 * denominator;
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correction = func / derivative;
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} while (Math.abs(func) > Math_default.EPSILON12);
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if (!defined_default(result)) {
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return new Cartesian3_default(
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positionX * xMultiplier,
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positionY * yMultiplier,
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positionZ * zMultiplier
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);
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}
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result.x = positionX * xMultiplier;
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result.y = positionY * yMultiplier;
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result.z = positionZ * zMultiplier;
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return result;
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}
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var scaleToGeodeticSurface_default = scaleToGeodeticSurface;
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// packages/engine/Source/Core/Cartographic.js
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var _Cartographic = class _Cartographic {
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/**
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* @param {number} [longitude=0.0] The longitude, in radians.
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* @param {number} [latitude=0.0] The latitude, in radians.
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* @param {number} [height=0.0] The height, in meters, above the ellipsoid.
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*/
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constructor(longitude, latitude, height) {
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this.longitude = longitude ?? 0;
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this.latitude = latitude ?? 0;
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this.height = height ?? 0;
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}
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/**
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* Creates a new Cartographic instance from longitude and latitude
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* specified in radians.
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*
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* @param {number} longitude The longitude, in radians.
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* @param {number} latitude The latitude, in radians.
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* @param {number} [height=0.0] The height, in meters, above the ellipsoid.
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* @param {Cartographic} [result] The object onto which to store the result.
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* @returns {Cartographic} The modified result parameter or a new Cartographic instance if one was not provided.
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*/
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static fromRadians(longitude, latitude, height, result) {
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Check_default.typeOf.number("longitude", longitude);
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Check_default.typeOf.number("latitude", latitude);
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height = height ?? 0;
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if (!defined_default(result)) {
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return new _Cartographic(longitude, latitude, height);
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}
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result.longitude = longitude;
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result.latitude = latitude;
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result.height = height;
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return result;
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}
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/**
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* Creates a new Cartographic instance from longitude and latitude
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* specified in degrees. The values in the resulting object will
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* be in radians.
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*
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* @param {number} longitude The longitude, in degrees.
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* @param {number} latitude The latitude, in degrees.
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* @param {number} [height=0.0] The height, in meters, above the ellipsoid.
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* @param {Cartographic} [result] The object onto which to store the result.
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* @returns {Cartographic} The modified result parameter or a new Cartographic instance if one was not provided.
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*/
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static fromDegrees(longitude, latitude, height, result) {
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Check_default.typeOf.number("longitude", longitude);
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Check_default.typeOf.number("latitude", latitude);
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longitude = Math_default.toRadians(longitude);
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latitude = Math_default.toRadians(latitude);
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return _Cartographic.fromRadians(longitude, latitude, height, result);
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}
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/**
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* Creates a new Cartographic instance from a Cartesian position. The values in the
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* resulting object will be in radians.
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*
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* @param {Cartesian3} cartesian The Cartesian position to convert to cartographic representation.
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* @param {Ellipsoid} [ellipsoid=Ellipsoid.default] The ellipsoid on which the position lies.
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* @param {Cartographic} [result] The object onto which to store the result.
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* @returns {Cartographic} The modified result parameter, new Cartographic instance if none was provided, or undefined if the cartesian is at the center of the ellipsoid.
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*/
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static fromCartesian(cartesian, ellipsoid, result) {
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const oneOverRadii = defined_default(ellipsoid) ? ellipsoid.oneOverRadii : _Cartographic._ellipsoidOneOverRadii;
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const oneOverRadiiSquared = defined_default(ellipsoid) ? ellipsoid.oneOverRadiiSquared : _Cartographic._ellipsoidOneOverRadiiSquared;
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const centerToleranceSquared = defined_default(ellipsoid) ? ellipsoid._centerToleranceSquared : _Cartographic._ellipsoidCenterToleranceSquared;
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const p = scaleToGeodeticSurface_default(
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cartesian,
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oneOverRadii,
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oneOverRadiiSquared,
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centerToleranceSquared,
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cartesianToCartographicP
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);
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if (!defined_default(p)) {
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return void 0;
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}
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let n = Cartesian3_default.multiplyComponents(
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p,
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oneOverRadiiSquared,
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cartesianToCartographicN
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);
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n = Cartesian3_default.normalize(n, n);
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const h = Cartesian3_default.subtract(cartesian, p, cartesianToCartographicH);
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const longitude = Math.atan2(n.y, n.x);
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const latitude = Math.asin(n.z);
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const height = Math_default.sign(Cartesian3_default.dot(h, cartesian)) * Cartesian3_default.magnitude(h);
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if (!defined_default(result)) {
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return new _Cartographic(longitude, latitude, height);
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}
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result.longitude = longitude;
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result.latitude = latitude;
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result.height = height;
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return result;
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}
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/**
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* Creates a new Cartesian3 instance from a Cartographic input. The values in the inputted
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* object should be in radians.
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*
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* @param {Cartographic} cartographic Input to be converted into a Cartesian3 output.
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* @param {Ellipsoid} [ellipsoid=Ellipsoid.default] The ellipsoid on which the position lies.
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* @param {Cartesian3} [result] The object onto which to store the result.
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* @returns {Cartesian3} The position
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*/
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static toCartesian(cartographic, ellipsoid, result) {
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Check_default.defined("cartographic", cartographic);
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return Cartesian3_default.fromRadians(
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cartographic.longitude,
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cartographic.latitude,
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cartographic.height,
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ellipsoid,
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result
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);
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}
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/**
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* Duplicates a Cartographic instance.
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*
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* @param {Cartographic} cartographic The cartographic to duplicate.
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* @param {Cartographic} [result] The object onto which to store the result.
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* @returns {Cartographic} The modified result parameter or a new Cartographic instance if one was not provided. (Returns undefined if cartographic is undefined)
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*/
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static clone(cartographic, result) {
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if (!defined_default(cartographic)) {
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return void 0;
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}
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if (!defined_default(result)) {
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return new _Cartographic(
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cartographic.longitude,
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cartographic.latitude,
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cartographic.height
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);
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}
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result.longitude = cartographic.longitude;
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result.latitude = cartographic.latitude;
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result.height = cartographic.height;
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return result;
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}
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/**
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* Compares the provided cartographics componentwise and returns
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* <code>true</code> if they are equal, <code>false</code> otherwise.
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*
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* @param {Cartographic} [left] The first cartographic.
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* @param {Cartographic} [right] The second cartographic.
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* @returns {boolean} <code>true</code> if left and right are equal, <code>false</code> otherwise.
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*/
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static equals(left, right) {
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return left === right || defined_default(left) && defined_default(right) && left.longitude === right.longitude && left.latitude === right.latitude && left.height === right.height;
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}
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/**
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* Compares the provided cartographics componentwise and returns
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* <code>true</code> if they are within the provided epsilon,
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* <code>false</code> otherwise.
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*
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* @param {Cartographic} [left] The first cartographic.
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* @param {Cartographic} [right] The second cartographic.
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* @param {number} [epsilon=0] The epsilon to use for equality testing.
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* @returns {boolean} <code>true</code> if left and right are within the provided epsilon, <code>false</code> otherwise.
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*/
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static equalsEpsilon(left, right, epsilon) {
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epsilon = epsilon ?? 0;
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return left === right || defined_default(left) && defined_default(right) && Math.abs(left.longitude - right.longitude) <= epsilon && Math.abs(left.latitude - right.latitude) <= epsilon && Math.abs(left.height - right.height) <= epsilon;
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}
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/**
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* Duplicates this instance.
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*
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* @param {Cartographic} [result] The object onto which to store the result.
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* @returns {Cartographic} The modified result parameter or a new Cartographic instance if one was not provided.
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*/
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clone(result) {
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return _Cartographic.clone(this, result);
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}
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/**
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* Compares the provided against this cartographic componentwise and returns
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* <code>true</code> if they are equal, <code>false</code> otherwise.
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*
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* @param {Cartographic} [right] The second cartographic.
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* @returns {boolean} <code>true</code> if left and right are equal, <code>false</code> otherwise.
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*/
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equals(right) {
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return _Cartographic.equals(this, right);
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}
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/**
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* Compares the provided against this cartographic componentwise and returns
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* <code>true</code> if they are within the provided epsilon,
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* <code>false</code> otherwise.
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*
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* @param {Cartographic} [right] The second cartographic.
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* @param {number} [epsilon=0] The epsilon to use for equality testing.
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* @returns {boolean} <code>true</code> if left and right are within the provided epsilon, <code>false</code> otherwise.
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*/
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equalsEpsilon(right, epsilon) {
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return _Cartographic.equalsEpsilon(this, right, epsilon);
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}
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/**
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* Creates a string representing this cartographic in the format '(longitude, latitude, height)'.
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*
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* @returns {string} A string representing the provided cartographic in the format '(longitude, latitude, height)'.
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*/
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toString() {
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return `(${this.longitude}, ${this.latitude}, ${this.height})`;
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}
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};
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// To avoid circular dependencies, these are set by Ellipsoid when Ellipsoid.default is set.
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__publicField(_Cartographic, "_ellipsoidOneOverRadii", new Cartesian3_default(
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1 / 6378137,
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1 / 6378137,
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1 / 6356752314245179e-9
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));
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__publicField(_Cartographic, "_ellipsoidOneOverRadiiSquared", new Cartesian3_default(
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1 / (6378137 * 6378137),
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1 / (6378137 * 6378137),
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1 / (6356752314245179e-9 * 6356752314245179e-9)
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));
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__publicField(_Cartographic, "_ellipsoidCenterToleranceSquared", Math_default.EPSILON1);
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var Cartographic = _Cartographic;
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Cartographic.ZERO = Object.freeze(new Cartographic(0, 0, 0));
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var cartesianToCartographicN = new Cartesian3_default();
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var cartesianToCartographicP = new Cartesian3_default();
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var cartesianToCartographicH = new Cartesian3_default();
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var Cartographic_default = Cartographic;
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// packages/engine/Source/Core/Cartesian2.js
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var Cartesian2 = class _Cartesian2 {
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/**
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* @param {number} [x=0.0] The X component.
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* @param {number} [y=0.0] The Y component.
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*/
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constructor(x, y) {
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this.x = x ?? 0;
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this.y = y ?? 0;
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}
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/**
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* Creates a Cartesian2 instance from x and y coordinates.
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*
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* @param {number} x The x coordinate.
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* @param {number} y The y coordinate.
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* @param {Cartesian2} [result] The object onto which to store the result.
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* @returns {Cartesian2} The modified result parameter or a new Cartesian2 instance if one was not provided.
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*/
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static fromElements(x, y, result) {
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if (!defined_default(result)) {
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return new _Cartesian2(x, y);
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}
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result.x = x;
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result.y = y;
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return result;
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}
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/**
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* Duplicates a Cartesian2 instance.
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*
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* @param {Cartesian2} cartesian The Cartesian to duplicate.
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* @param {Cartesian2} [result] The object onto which to store the result.
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* @returns {Cartesian2} The modified result parameter or a new Cartesian2 instance if one was not provided. (Returns undefined if cartesian is undefined)
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*/
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static clone(cartesian, result) {
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if (!defined_default(cartesian)) {
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return void 0;
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}
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if (!defined_default(result)) {
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return new _Cartesian2(cartesian.x, cartesian.y);
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}
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result.x = cartesian.x;
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result.y = cartesian.y;
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return result;
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}
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/**
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* Stores the provided instance into the provided array.
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*
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* @param {Cartesian2} value The value to pack.
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* @param {number[]} array The array to pack into.
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* @param {number} [startingIndex=0] The index into the array at which to start packing the elements.
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*
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* @returns {number[]} The array that was packed into
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*/
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static pack(value, array, startingIndex) {
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Check_default.typeOf.object("value", value);
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Check_default.defined("array", array);
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startingIndex = startingIndex ?? 0;
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array[startingIndex++] = value.x;
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array[startingIndex] = value.y;
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return array;
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}
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/**
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* Retrieves an instance from a packed array.
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*
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* @param {number[]} array The packed array.
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* @param {number} [startingIndex=0] The starting index of the element to be unpacked.
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* @param {Cartesian2} [result] The object into which to store the result.
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* @returns {Cartesian2} The modified result parameter or a new Cartesian2 instance if one was not provided.
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*/
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static unpack(array, startingIndex, result) {
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Check_default.defined("array", array);
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startingIndex = startingIndex ?? 0;
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if (!defined_default(result)) {
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result = new _Cartesian2();
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}
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result.x = array[startingIndex++];
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result.y = array[startingIndex];
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return result;
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}
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/**
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* Flattens an array of Cartesian2s into an array of components.
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*
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* @param {Cartesian2[]} array The array of cartesians to pack.
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* @param {number[]} [result] The array onto which to store the result. If this is a typed array, it must have array.length * 2 components, else a {@link DeveloperError} will be thrown. If it is a regular array, it will be resized to have (array.length * 2) elements.
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* @returns {number[]} The packed array.
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*/
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static packArray(array, result) {
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Check_default.defined("array", array);
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const length = array.length;
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const resultLength = length * 2;
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if (!defined_default(result)) {
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result = new Array(resultLength);
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} else if (!Array.isArray(result) && result.length !== resultLength) {
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throw new DeveloperError_default(
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"If result is a typed array, it must have exactly array.length * 2 elements"
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);
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} else if (result.length !== resultLength) {
|
|
result.length = resultLength;
|
|
}
|
|
for (let i = 0; i < length; ++i) {
|
|
_Cartesian2.pack(array[i], result, i * 2);
|
|
}
|
|
return result;
|
|
}
|
|
/**
|
|
* Unpacks an array of cartesian components into an array of Cartesian2s.
|
|
*
|
|
* @param {number[]} array The array of components to unpack.
|
|
* @param {Cartesian2[]} [result] The array onto which to store the result.
|
|
* @returns {Cartesian2[]} The unpacked array.
|
|
*/
|
|
static unpackArray(array, result) {
|
|
Check_default.defined("array", array);
|
|
Check_default.typeOf.number.greaterThanOrEquals("array.length", array.length, 2);
|
|
if (array.length % 2 !== 0) {
|
|
throw new DeveloperError_default("array length must be a multiple of 2.");
|
|
}
|
|
const length = array.length;
|
|
if (!defined_default(result)) {
|
|
result = new Array(length / 2);
|
|
} else {
|
|
result.length = length / 2;
|
|
}
|
|
for (let i = 0; i < length; i += 2) {
|
|
const index = i / 2;
|
|
result[index] = _Cartesian2.unpack(array, i, result[index]);
|
|
}
|
|
return result;
|
|
}
|
|
/**
|
|
* Computes the value of the maximum component for the supplied Cartesian.
|
|
*
|
|
* @param {Cartesian2} cartesian The cartesian to use.
|
|
* @returns {number} The value of the maximum component.
|
|
*/
|
|
static maximumComponent(cartesian) {
|
|
Check_default.typeOf.object("cartesian", cartesian);
|
|
return Math.max(cartesian.x, cartesian.y);
|
|
}
|
|
/**
|
|
* Computes the value of the minimum component for the supplied Cartesian.
|
|
*
|
|
* @param {Cartesian2} cartesian The cartesian to use.
|
|
* @returns {number} The value of the minimum component.
|
|
*/
|
|
static minimumComponent(cartesian) {
|
|
Check_default.typeOf.object("cartesian", cartesian);
|
|
return Math.min(cartesian.x, cartesian.y);
|
|
}
|
|
/**
|
|
* Compares two Cartesians and computes a Cartesian which contains the minimum components of the supplied Cartesians.
|
|
*
|
|
* @param {Cartesian2} first A cartesian to compare.
|
|
* @param {Cartesian2} second A cartesian to compare.
|
|
* @param {Cartesian2} result The object into which to store the result.
|
|
* @returns {Cartesian2} A cartesian with the minimum components.
|
|
*/
|
|
static minimumByComponent(first, second, result) {
|
|
Check_default.typeOf.object("first", first);
|
|
Check_default.typeOf.object("second", second);
|
|
Check_default.typeOf.object("result", result);
|
|
result.x = Math.min(first.x, second.x);
|
|
result.y = Math.min(first.y, second.y);
|
|
return result;
|
|
}
|
|
/**
|
|
* Compares two Cartesians and computes a Cartesian which contains the maximum components of the supplied Cartesians.
|
|
*
|
|
* @param {Cartesian2} first A cartesian to compare.
|
|
* @param {Cartesian2} second A cartesian to compare.
|
|
* @param {Cartesian2} result The object into which to store the result.
|
|
* @returns {Cartesian2} A cartesian with the maximum components.
|
|
*/
|
|
static maximumByComponent(first, second, result) {
|
|
Check_default.typeOf.object("first", first);
|
|
Check_default.typeOf.object("second", second);
|
|
Check_default.typeOf.object("result", result);
|
|
result.x = Math.max(first.x, second.x);
|
|
result.y = Math.max(first.y, second.y);
|
|
return result;
|
|
}
|
|
/**
|
|
* Constrain a value to lie between two values.
|
|
*
|
|
* @param {Cartesian2} value The value to clamp.
|
|
* @param {Cartesian2} min The minimum bound.
|
|
* @param {Cartesian2} max The maximum bound.
|
|
* @param {Cartesian2} result The object into which to store the result.
|
|
* @returns {Cartesian2} The clamped value such that min <= result <= max.
|
|
*/
|
|
static clamp(value, min, max, result) {
|
|
Check_default.typeOf.object("value", value);
|
|
Check_default.typeOf.object("min", min);
|
|
Check_default.typeOf.object("max", max);
|
|
Check_default.typeOf.object("result", result);
|
|
const x = Math_default.clamp(value.x, min.x, max.x);
|
|
const y = Math_default.clamp(value.y, min.y, max.y);
|
|
result.x = x;
|
|
result.y = y;
|
|
return result;
|
|
}
|
|
/**
|
|
* Computes the provided Cartesian's squared magnitude.
|
|
*
|
|
* @param {Cartesian2} cartesian The Cartesian instance whose squared magnitude is to be computed.
|
|
* @returns {number} The squared magnitude.
|
|
*/
|
|
static magnitudeSquared(cartesian) {
|
|
Check_default.typeOf.object("cartesian", cartesian);
|
|
return cartesian.x * cartesian.x + cartesian.y * cartesian.y;
|
|
}
|
|
/**
|
|
* Computes the Cartesian's magnitude (length).
|
|
*
|
|
* @param {Cartesian2} cartesian The Cartesian instance whose magnitude is to be computed.
|
|
* @returns {number} The magnitude.
|
|
*/
|
|
static magnitude(cartesian) {
|
|
return Math.sqrt(_Cartesian2.magnitudeSquared(cartesian));
|
|
}
|
|
/**
|
|
* Computes the distance between two points.
|
|
*
|
|
* @param {Cartesian2} left The first point to compute the distance from.
|
|
* @param {Cartesian2} right The second point to compute the distance to.
|
|
* @returns {number} The distance between two points.
|
|
*
|
|
* @example
|
|
* // Returns 1.0
|
|
* const d = Cesium.Cartesian2.distance(new Cesium.Cartesian2(1.0, 0.0), new Cesium.Cartesian2(2.0, 0.0));
|
|
*/
|
|
static distance(left, right) {
|
|
Check_default.typeOf.object("left", left);
|
|
Check_default.typeOf.object("right", right);
|
|
_Cartesian2.subtract(left, right, distanceScratch);
|
|
return _Cartesian2.magnitude(distanceScratch);
|
|
}
|
|
/**
|
|
* Computes the squared distance between two points. Comparing squared distances
|
|
* using this function is more efficient than comparing distances using {@link Cartesian2#distance}.
|
|
*
|
|
* @param {Cartesian2} left The first point to compute the distance from.
|
|
* @param {Cartesian2} right The second point to compute the distance to.
|
|
* @returns {number} The distance between two points.
|
|
*
|
|
* @example
|
|
* // Returns 4.0, not 2.0
|
|
* const d = Cesium.Cartesian2.distance(new Cesium.Cartesian2(1.0, 0.0), new Cesium.Cartesian2(3.0, 0.0));
|
|
*/
|
|
static distanceSquared(left, right) {
|
|
Check_default.typeOf.object("left", left);
|
|
Check_default.typeOf.object("right", right);
|
|
_Cartesian2.subtract(left, right, distanceScratch);
|
|
return _Cartesian2.magnitudeSquared(distanceScratch);
|
|
}
|
|
/**
|
|
* Computes the normalized form of the supplied Cartesian.
|
|
*
|
|
* @param {Cartesian2} cartesian The Cartesian to be normalized.
|
|
* @param {Cartesian2} result The object onto which to store the result.
|
|
* @returns {Cartesian2} The modified result parameter.
|
|
*/
|
|
static normalize(cartesian, result) {
|
|
Check_default.typeOf.object("cartesian", cartesian);
|
|
Check_default.typeOf.object("result", result);
|
|
const magnitude = _Cartesian2.magnitude(cartesian);
|
|
result.x = cartesian.x / magnitude;
|
|
result.y = cartesian.y / magnitude;
|
|
if (isNaN(result.x) || isNaN(result.y)) {
|
|
throw new DeveloperError_default("normalized result is not a number");
|
|
}
|
|
return result;
|
|
}
|
|
/**
|
|
* Computes the dot (scalar) product of two Cartesians.
|
|
*
|
|
* @param {Cartesian2} left The first Cartesian.
|
|
* @param {Cartesian2} right The second Cartesian.
|
|
* @returns {number} The dot product.
|
|
*/
|
|
static dot(left, right) {
|
|
Check_default.typeOf.object("left", left);
|
|
Check_default.typeOf.object("right", right);
|
|
return left.x * right.x + left.y * right.y;
|
|
}
|
|
/**
|
|
* Computes the magnitude of the cross product that would result from implicitly setting the Z coordinate of the input vectors to 0
|
|
*
|
|
* @param {Cartesian2} left The first Cartesian.
|
|
* @param {Cartesian2} right The second Cartesian.
|
|
* @returns {number} The cross product.
|
|
*/
|
|
static cross(left, right) {
|
|
Check_default.typeOf.object("left", left);
|
|
Check_default.typeOf.object("right", right);
|
|
return left.x * right.y - left.y * right.x;
|
|
}
|
|
/**
|
|
* Computes the componentwise product of two Cartesians.
|
|
*
|
|
* @param {Cartesian2} left The first Cartesian.
|
|
* @param {Cartesian2} right The second Cartesian.
|
|
* @param {Cartesian2} result The object onto which to store the result.
|
|
* @returns {Cartesian2} The modified result parameter.
|
|
*/
|
|
static multiplyComponents(left, right, result) {
|
|
Check_default.typeOf.object("left", left);
|
|
Check_default.typeOf.object("right", right);
|
|
Check_default.typeOf.object("result", result);
|
|
result.x = left.x * right.x;
|
|
result.y = left.y * right.y;
|
|
return result;
|
|
}
|
|
/**
|
|
* Computes the componentwise quotient of two Cartesians.
|
|
*
|
|
* @param {Cartesian2} left The first Cartesian.
|
|
* @param {Cartesian2} right The second Cartesian.
|
|
* @param {Cartesian2} result The object onto which to store the result.
|
|
* @returns {Cartesian2} The modified result parameter.
|
|
*/
|
|
static divideComponents(left, right, result) {
|
|
Check_default.typeOf.object("left", left);
|
|
Check_default.typeOf.object("right", right);
|
|
Check_default.typeOf.object("result", result);
|
|
result.x = left.x / right.x;
|
|
result.y = left.y / right.y;
|
|
return result;
|
|
}
|
|
/**
|
|
* Computes the componentwise sum of two Cartesians.
|
|
*
|
|
* @param {Cartesian2} left The first Cartesian.
|
|
* @param {Cartesian2} right The second Cartesian.
|
|
* @param {Cartesian2} result The object onto which to store the result.
|
|
* @returns {Cartesian2} The modified result parameter.
|
|
*/
|
|
static add(left, right, result) {
|
|
Check_default.typeOf.object("left", left);
|
|
Check_default.typeOf.object("right", right);
|
|
Check_default.typeOf.object("result", result);
|
|
result.x = left.x + right.x;
|
|
result.y = left.y + right.y;
|
|
return result;
|
|
}
|
|
/**
|
|
* Computes the componentwise difference of two Cartesians.
|
|
*
|
|
* @param {Cartesian2} left The first Cartesian.
|
|
* @param {Cartesian2} right The second Cartesian.
|
|
* @param {Cartesian2} result The object onto which to store the result.
|
|
* @returns {Cartesian2} The modified result parameter.
|
|
*/
|
|
static subtract(left, right, result) {
|
|
Check_default.typeOf.object("left", left);
|
|
Check_default.typeOf.object("right", right);
|
|
Check_default.typeOf.object("result", result);
|
|
result.x = left.x - right.x;
|
|
result.y = left.y - right.y;
|
|
return result;
|
|
}
|
|
/**
|
|
* Multiplies the provided Cartesian componentwise by the provided scalar.
|
|
*
|
|
* @param {Cartesian2} cartesian The Cartesian to be scaled.
|
|
* @param {number} scalar The scalar to multiply with.
|
|
* @param {Cartesian2} result The object onto which to store the result.
|
|
* @returns {Cartesian2} The modified result parameter.
|
|
*/
|
|
static multiplyByScalar(cartesian, scalar, result) {
|
|
Check_default.typeOf.object("cartesian", cartesian);
|
|
Check_default.typeOf.number("scalar", scalar);
|
|
Check_default.typeOf.object("result", result);
|
|
result.x = cartesian.x * scalar;
|
|
result.y = cartesian.y * scalar;
|
|
return result;
|
|
}
|
|
/**
|
|
* Divides the provided Cartesian componentwise by the provided scalar.
|
|
*
|
|
* @param {Cartesian2} cartesian The Cartesian to be divided.
|
|
* @param {number} scalar The scalar to divide by.
|
|
* @param {Cartesian2} result The object onto which to store the result.
|
|
* @returns {Cartesian2} The modified result parameter.
|
|
*/
|
|
static divideByScalar(cartesian, scalar, result) {
|
|
Check_default.typeOf.object("cartesian", cartesian);
|
|
Check_default.typeOf.number("scalar", scalar);
|
|
Check_default.typeOf.object("result", result);
|
|
result.x = cartesian.x / scalar;
|
|
result.y = cartesian.y / scalar;
|
|
return result;
|
|
}
|
|
/**
|
|
* Negates the provided Cartesian.
|
|
*
|
|
* @param {Cartesian2} cartesian The Cartesian to be negated.
|
|
* @param {Cartesian2} result The object onto which to store the result.
|
|
* @returns {Cartesian2} The modified result parameter.
|
|
*/
|
|
static negate(cartesian, result) {
|
|
Check_default.typeOf.object("cartesian", cartesian);
|
|
Check_default.typeOf.object("result", result);
|
|
result.x = -cartesian.x;
|
|
result.y = -cartesian.y;
|
|
return result;
|
|
}
|
|
/**
|
|
* Computes the absolute value of the provided Cartesian.
|
|
*
|
|
* @param {Cartesian2} cartesian The Cartesian whose absolute value is to be computed.
|
|
* @param {Cartesian2} result The object onto which to store the result.
|
|
* @returns {Cartesian2} The modified result parameter.
|
|
*/
|
|
static abs(cartesian, result) {
|
|
Check_default.typeOf.object("cartesian", cartesian);
|
|
Check_default.typeOf.object("result", result);
|
|
result.x = Math.abs(cartesian.x);
|
|
result.y = Math.abs(cartesian.y);
|
|
return result;
|
|
}
|
|
/**
|
|
* Computes the linear interpolation or extrapolation at t using the provided cartesians.
|
|
*
|
|
* @param {Cartesian2} start The value corresponding to t at 0.0.
|
|
* @param {Cartesian2} end The value corresponding to t at 1.0.
|
|
* @param {number} t The point along t at which to interpolate.
|
|
* @param {Cartesian2} result The object onto which to store the result.
|
|
* @returns {Cartesian2} The modified result parameter.
|
|
*/
|
|
static lerp(start, end, t, result) {
|
|
Check_default.typeOf.object("start", start);
|
|
Check_default.typeOf.object("end", end);
|
|
Check_default.typeOf.number("t", t);
|
|
Check_default.typeOf.object("result", result);
|
|
_Cartesian2.multiplyByScalar(end, t, lerpScratch);
|
|
result = _Cartesian2.multiplyByScalar(start, 1 - t, result);
|
|
return _Cartesian2.add(lerpScratch, result, result);
|
|
}
|
|
/**
|
|
* Returns the angle, in radians, between the provided Cartesians.
|
|
*
|
|
* @param {Cartesian2} left The first Cartesian.
|
|
* @param {Cartesian2} right The second Cartesian.
|
|
* @returns {number} The angle between the Cartesians.
|
|
*/
|
|
static angleBetween(left, right) {
|
|
Check_default.typeOf.object("left", left);
|
|
Check_default.typeOf.object("right", right);
|
|
_Cartesian2.normalize(left, angleBetweenScratch);
|
|
_Cartesian2.normalize(right, angleBetweenScratch2);
|
|
return Math_default.acosClamped(
|
|
_Cartesian2.dot(angleBetweenScratch, angleBetweenScratch2)
|
|
);
|
|
}
|
|
/**
|
|
* Returns the axis that is most orthogonal to the provided Cartesian.
|
|
*
|
|
* @param {Cartesian2} cartesian The Cartesian on which to find the most orthogonal axis.
|
|
* @param {Cartesian2} result The object onto which to store the result.
|
|
* @returns {Cartesian2} The most orthogonal axis.
|
|
*/
|
|
static mostOrthogonalAxis(cartesian, result) {
|
|
Check_default.typeOf.object("cartesian", cartesian);
|
|
Check_default.typeOf.object("result", result);
|
|
const f = _Cartesian2.normalize(cartesian, mostOrthogonalAxisScratch);
|
|
_Cartesian2.abs(f, f);
|
|
if (f.x <= f.y) {
|
|
result = _Cartesian2.clone(_Cartesian2.UNIT_X, result);
|
|
} else {
|
|
result = _Cartesian2.clone(_Cartesian2.UNIT_Y, result);
|
|
}
|
|
return result;
|
|
}
|
|
/**
|
|
* Compares the provided Cartesians componentwise and returns
|
|
* <code>true</code> if they are equal, <code>false</code> otherwise.
|
|
*
|
|
* @param {Cartesian2} [left] The first Cartesian.
|
|
* @param {Cartesian2} [right] The second Cartesian.
|
|
* @returns {boolean} <code>true</code> if left and right are equal, <code>false</code> otherwise.
|
|
*/
|
|
static equals(left, right) {
|
|
return left === right || defined_default(left) && defined_default(right) && left.x === right.x && left.y === right.y;
|
|
}
|
|
/**
|
|
* @param {Cartesian2} cartesian
|
|
* @param {number[]} array
|
|
* @param {number} offset
|
|
* @ignore
|
|
*/
|
|
static equalsArray(cartesian, array, offset) {
|
|
return cartesian.x === array[offset] && cartesian.y === array[offset + 1];
|
|
}
|
|
/**
|
|
* Compares the provided Cartesians componentwise and returns
|
|
* <code>true</code> if they pass an absolute or relative tolerance test,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @param {Cartesian2} [left] The first Cartesian.
|
|
* @param {Cartesian2} [right] The second Cartesian.
|
|
* @param {number} [relativeEpsilon=0] The relative epsilon tolerance to use for equality testing.
|
|
* @param {number} [absoluteEpsilon=relativeEpsilon] The absolute epsilon tolerance to use for equality testing.
|
|
* @returns {boolean} <code>true</code> if left and right are within the provided epsilon, <code>false</code> otherwise.
|
|
*/
|
|
static equalsEpsilon(left, right, relativeEpsilon, absoluteEpsilon) {
|
|
return left === right || defined_default(left) && defined_default(right) && Math_default.equalsEpsilon(
|
|
left.x,
|
|
right.x,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
) && Math_default.equalsEpsilon(
|
|
left.y,
|
|
right.y,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
);
|
|
}
|
|
/**
|
|
* Duplicates this Cartesian2 instance.
|
|
*
|
|
* @param {Cartesian2} [result] The object onto which to store the result.
|
|
* @returns {Cartesian2} The modified result parameter or a new Cartesian2 instance if one was not provided.
|
|
*/
|
|
clone(result) {
|
|
return _Cartesian2.clone(this, result);
|
|
}
|
|
/**
|
|
* Compares this Cartesian against the provided Cartesian componentwise and returns
|
|
* <code>true</code> if they are equal, <code>false</code> otherwise.
|
|
*
|
|
* @param {Cartesian2} [right] The right hand side Cartesian.
|
|
* @returns {boolean} <code>true</code> if they are equal, <code>false</code> otherwise.
|
|
*/
|
|
equals(right) {
|
|
return _Cartesian2.equals(this, right);
|
|
}
|
|
/**
|
|
* Compares this Cartesian against the provided Cartesian componentwise and returns
|
|
* <code>true</code> if they pass an absolute or relative tolerance test,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
* @param {Cartesian2} [right] The right hand side Cartesian.
|
|
* @param {number} [relativeEpsilon=0] The relative epsilon tolerance to use for equality testing.
|
|
* @param {number} [absoluteEpsilon=relativeEpsilon] The absolute epsilon tolerance to use for equality testing.
|
|
* @returns {boolean} <code>true</code> if they are within the provided epsilon, <code>false</code> otherwise.
|
|
*/
|
|
equalsEpsilon(right, relativeEpsilon, absoluteEpsilon) {
|
|
return _Cartesian2.equalsEpsilon(
|
|
this,
|
|
right,
|
|
relativeEpsilon,
|
|
absoluteEpsilon
|
|
);
|
|
}
|
|
/**
|
|
* Creates a string representing this Cartesian in the format '(x, y)'.
|
|
*
|
|
* @returns {string} A string representing the provided Cartesian in the format '(x, y)'.
|
|
*/
|
|
toString() {
|
|
return `(${this.x}, ${this.y})`;
|
|
}
|
|
};
|
|
Cartesian2.fromCartesian3 = Cartesian2.clone;
|
|
Cartesian2.fromCartesian4 = Cartesian2.clone;
|
|
Cartesian2.packedLength = 2;
|
|
Cartesian2.fromArray = Cartesian2.unpack;
|
|
var distanceScratch = new Cartesian2();
|
|
var lerpScratch = new Cartesian2();
|
|
var angleBetweenScratch = new Cartesian2();
|
|
var angleBetweenScratch2 = new Cartesian2();
|
|
var mostOrthogonalAxisScratch = new Cartesian2();
|
|
Cartesian2.ZERO = Object.freeze(new Cartesian2(0, 0));
|
|
Cartesian2.ONE = Object.freeze(new Cartesian2(1, 1));
|
|
Cartesian2.UNIT_X = Object.freeze(new Cartesian2(1, 0));
|
|
Cartesian2.UNIT_Y = Object.freeze(new Cartesian2(0, 1));
|
|
var Cartesian2_default = Cartesian2;
|
|
|
|
// packages/engine/Source/Core/Ellipsoid.js
|
|
function initialize(ellipsoid, x, y, z) {
|
|
x = x ?? 0;
|
|
y = y ?? 0;
|
|
z = z ?? 0;
|
|
Check_default.typeOf.number.greaterThanOrEquals("x", x, 0);
|
|
Check_default.typeOf.number.greaterThanOrEquals("y", y, 0);
|
|
Check_default.typeOf.number.greaterThanOrEquals("z", z, 0);
|
|
ellipsoid._radii = new Cartesian3_default(x, y, z);
|
|
ellipsoid._radiiSquared = new Cartesian3_default(x * x, y * y, z * z);
|
|
ellipsoid._radiiToTheFourth = new Cartesian3_default(
|
|
x * x * x * x,
|
|
y * y * y * y,
|
|
z * z * z * z
|
|
);
|
|
ellipsoid._oneOverRadii = new Cartesian3_default(
|
|
x === 0 ? 0 : 1 / x,
|
|
y === 0 ? 0 : 1 / y,
|
|
z === 0 ? 0 : 1 / z
|
|
);
|
|
ellipsoid._oneOverRadiiSquared = new Cartesian3_default(
|
|
x === 0 ? 0 : 1 / (x * x),
|
|
y === 0 ? 0 : 1 / (y * y),
|
|
z === 0 ? 0 : 1 / (z * z)
|
|
);
|
|
ellipsoid._minimumRadius = Math.min(x, y, z);
|
|
ellipsoid._maximumRadius = Math.max(x, y, z);
|
|
ellipsoid._centerToleranceSquared = Math_default.EPSILON1;
|
|
if (ellipsoid._radiiSquared.z !== 0) {
|
|
ellipsoid._squaredXOverSquaredZ = ellipsoid._radiiSquared.x / ellipsoid._radiiSquared.z;
|
|
}
|
|
}
|
|
var Ellipsoid = class _Ellipsoid {
|
|
/**
|
|
* @param {number} [x=0] The radius in the x direction.
|
|
* @param {number} [y=0] The radius in the y direction.
|
|
* @param {number} [z=0] The radius in the z direction.
|
|
*
|
|
* @exception {DeveloperError} All radii components must be greater than or equal to zero.
|
|
*/
|
|
constructor(x, y, z) {
|
|
this._radii = void 0;
|
|
this._radiiSquared = void 0;
|
|
this._radiiToTheFourth = void 0;
|
|
this._oneOverRadii = void 0;
|
|
this._oneOverRadiiSquared = void 0;
|
|
this._minimumRadius = void 0;
|
|
this._maximumRadius = void 0;
|
|
this._centerToleranceSquared = void 0;
|
|
this._squaredXOverSquaredZ = void 0;
|
|
initialize(this, x, y, z);
|
|
}
|
|
/**
|
|
* Gets the radii of the ellipsoid.
|
|
* @type {Cartesian3}
|
|
* @readonly
|
|
*/
|
|
get radii() {
|
|
return this._radii;
|
|
}
|
|
/**
|
|
* Gets the squared radii of the ellipsoid.
|
|
* @type {Cartesian3}
|
|
* @readonly
|
|
*/
|
|
get radiiSquared() {
|
|
return this._radiiSquared;
|
|
}
|
|
/**
|
|
* Gets the radii of the ellipsoid raise to the fourth power.
|
|
* @type {Cartesian3}
|
|
* @readonly
|
|
*/
|
|
get radiiToTheFourth() {
|
|
return this._radiiToTheFourth;
|
|
}
|
|
/**
|
|
* Gets one over the radii of the ellipsoid.
|
|
* @type {Cartesian3}
|
|
* @readonly
|
|
*/
|
|
get oneOverRadii() {
|
|
return this._oneOverRadii;
|
|
}
|
|
/**
|
|
* Gets one over the squared radii of the ellipsoid.
|
|
* @type {Cartesian3}
|
|
* @readonly
|
|
*/
|
|
get oneOverRadiiSquared() {
|
|
return this._oneOverRadiiSquared;
|
|
}
|
|
/**
|
|
* Gets the minimum radius of the ellipsoid.
|
|
* @type {number}
|
|
* @readonly
|
|
*/
|
|
get minimumRadius() {
|
|
return this._minimumRadius;
|
|
}
|
|
/**
|
|
* Gets the maximum radius of the ellipsoid.
|
|
* @type {number}
|
|
* @readonly
|
|
*/
|
|
get maximumRadius() {
|
|
return this._maximumRadius;
|
|
}
|
|
/**
|
|
* Duplicates an Ellipsoid instance.
|
|
*
|
|
* @param {Ellipsoid} ellipsoid The ellipsoid to duplicate.
|
|
* @param {Ellipsoid} [result] The object onto which to store the result, or undefined if a new
|
|
* instance should be created.
|
|
* @returns {Ellipsoid} The cloned Ellipsoid. (Returns undefined if ellipsoid is undefined)
|
|
*/
|
|
static clone(ellipsoid, result) {
|
|
if (!defined_default(ellipsoid)) {
|
|
return void 0;
|
|
}
|
|
const radii = ellipsoid._radii;
|
|
if (!defined_default(result)) {
|
|
return new _Ellipsoid(radii.x, radii.y, radii.z);
|
|
}
|
|
Cartesian3_default.clone(radii, result._radii);
|
|
Cartesian3_default.clone(ellipsoid._radiiSquared, result._radiiSquared);
|
|
Cartesian3_default.clone(ellipsoid._radiiToTheFourth, result._radiiToTheFourth);
|
|
Cartesian3_default.clone(ellipsoid._oneOverRadii, result._oneOverRadii);
|
|
Cartesian3_default.clone(
|
|
ellipsoid._oneOverRadiiSquared,
|
|
result._oneOverRadiiSquared
|
|
);
|
|
result._minimumRadius = ellipsoid._minimumRadius;
|
|
result._maximumRadius = ellipsoid._maximumRadius;
|
|
result._centerToleranceSquared = ellipsoid._centerToleranceSquared;
|
|
return result;
|
|
}
|
|
/**
|
|
* Computes an Ellipsoid from a Cartesian specifying the radii in x, y, and z directions.
|
|
*
|
|
* @param {Cartesian3} [cartesian=Cartesian3.ZERO] The ellipsoid's radius in the x, y, and z directions.
|
|
* @param {Ellipsoid} [result] The object onto which to store the result, or undefined if a new
|
|
* instance should be created.
|
|
* @returns {Ellipsoid} A new Ellipsoid instance.
|
|
*
|
|
* @exception {DeveloperError} All radii components must be greater than or equal to zero.
|
|
*
|
|
* @see Ellipsoid.WGS84
|
|
* @see Ellipsoid.UNIT_SPHERE
|
|
*/
|
|
static fromCartesian3(cartesian, result) {
|
|
if (!defined_default(result)) {
|
|
result = new _Ellipsoid();
|
|
}
|
|
if (!defined_default(cartesian)) {
|
|
return result;
|
|
}
|
|
initialize(result, cartesian.x, cartesian.y, cartesian.z);
|
|
return result;
|
|
}
|
|
/**
|
|
* The default ellipsoid used when not otherwise specified.
|
|
* @type {Ellipsoid}
|
|
* @example
|
|
* Cesium.Ellipsoid.default = Cesium.Ellipsoid.MOON;
|
|
*
|
|
* // Apollo 11 landing site
|
|
* const position = Cesium.Cartesian3.fromRadians(
|
|
* 0.67416,
|
|
* 23.47315,
|
|
* );
|
|
*/
|
|
static get default() {
|
|
return _Ellipsoid._default;
|
|
}
|
|
static set default(value) {
|
|
Check_default.typeOf.object("value", value);
|
|
_Ellipsoid._default = value;
|
|
Cartesian3_default._ellipsoidRadiiSquared = value.radiiSquared;
|
|
Cartographic_default._ellipsoidOneOverRadii = value.oneOverRadii;
|
|
Cartographic_default._ellipsoidOneOverRadiiSquared = value.oneOverRadiiSquared;
|
|
Cartographic_default._ellipsoidCenterToleranceSquared = value._centerToleranceSquared;
|
|
}
|
|
/**
|
|
* Duplicates an Ellipsoid instance.
|
|
*
|
|
* @param {Ellipsoid} [result] The object onto which to store the result, or undefined if a new
|
|
* instance should be created.
|
|
* @returns {Ellipsoid} The cloned Ellipsoid.
|
|
*/
|
|
clone(result) {
|
|
return _Ellipsoid.clone(this, result);
|
|
}
|
|
/**
|
|
* Stores the provided instance into the provided array.
|
|
*
|
|
* @param {Ellipsoid} value The value to pack.
|
|
* @param {number[]} array The array to pack into.
|
|
* @param {number} [startingIndex=0] The index into the array at which to start packing the elements.
|
|
*
|
|
* @returns {number[]} The array that was packed into
|
|
*/
|
|
static pack(value, array, startingIndex) {
|
|
Check_default.typeOf.object("value", value);
|
|
Check_default.defined("array", array);
|
|
startingIndex = startingIndex ?? 0;
|
|
Cartesian3_default.pack(value._radii, array, startingIndex);
|
|
return array;
|
|
}
|
|
/**
|
|
* Retrieves an instance from a packed array.
|
|
*
|
|
* @param {number[]} array The packed array.
|
|
* @param {number} [startingIndex=0] The starting index of the element to be unpacked.
|
|
* @param {Ellipsoid} [result] The object into which to store the result.
|
|
* @returns {Ellipsoid} The modified result parameter or a new Ellipsoid instance if one was not provided.
|
|
*/
|
|
static unpack(array, startingIndex, result) {
|
|
Check_default.defined("array", array);
|
|
startingIndex = startingIndex ?? 0;
|
|
const radii = Cartesian3_default.unpack(array, startingIndex);
|
|
return _Ellipsoid.fromCartesian3(radii, result);
|
|
}
|
|
/**
|
|
* Computes the normal of the plane tangent to the surface of the ellipsoid at the provided position.
|
|
*
|
|
* @param {Cartographic} cartographic The cartographic position for which to to determine the geodetic normal.
|
|
* @param {Cartesian3} [result] The object onto which to store the result.
|
|
* @returns {Cartesian3} The modified result parameter or a new Cartesian3 instance if none was provided.
|
|
*/
|
|
geodeticSurfaceNormalCartographic(cartographic, result) {
|
|
Check_default.typeOf.object("cartographic", cartographic);
|
|
const longitude = cartographic.longitude;
|
|
const latitude = cartographic.latitude;
|
|
const cosLatitude = Math.cos(latitude);
|
|
const x = cosLatitude * Math.cos(longitude);
|
|
const y = cosLatitude * Math.sin(longitude);
|
|
const z = Math.sin(latitude);
|
|
if (!defined_default(result)) {
|
|
result = new Cartesian3_default();
|
|
}
|
|
result.x = x;
|
|
result.y = y;
|
|
result.z = z;
|
|
return Cartesian3_default.normalize(result, result);
|
|
}
|
|
/**
|
|
* Computes the normal of the plane tangent to the surface of the ellipsoid at the provided position.
|
|
*
|
|
* @param {Cartesian3} cartesian The Cartesian position for which to to determine the surface normal.
|
|
* @param {Cartesian3} [result] The object onto which to store the result.
|
|
* @returns {Cartesian3} The modified result parameter or a new Cartesian3 instance if none was provided, or undefined if a normal cannot be found.
|
|
*/
|
|
geodeticSurfaceNormal(cartesian, result) {
|
|
Check_default.typeOf.object("cartesian", cartesian);
|
|
if (isNaN(cartesian.x) || isNaN(cartesian.y) || isNaN(cartesian.z)) {
|
|
throw new DeveloperError_default("cartesian has a NaN component");
|
|
}
|
|
if (Cartesian3_default.equalsEpsilon(cartesian, Cartesian3_default.ZERO, Math_default.EPSILON14)) {
|
|
return void 0;
|
|
}
|
|
if (!defined_default(result)) {
|
|
result = new Cartesian3_default();
|
|
}
|
|
result = Cartesian3_default.multiplyComponents(
|
|
cartesian,
|
|
this._oneOverRadiiSquared,
|
|
result
|
|
);
|
|
return Cartesian3_default.normalize(result, result);
|
|
}
|
|
/**
|
|
* Converts the provided cartographic to Cartesian representation.
|
|
*
|
|
* @param {Cartographic} cartographic The cartographic position.
|
|
* @param {Cartesian3} [result] The object onto which to store the result.
|
|
* @returns {Cartesian3} The modified result parameter or a new Cartesian3 instance if none was provided.
|
|
*
|
|
* @example
|
|
* //Create a Cartographic and determine it's Cartesian representation on a WGS84 ellipsoid.
|
|
* const position = new Cesium.Cartographic(Cesium.Math.toRadians(21), Cesium.Math.toRadians(78), 5000);
|
|
* const cartesianPosition = Cesium.Ellipsoid.WGS84.cartographicToCartesian(position);
|
|
*/
|
|
cartographicToCartesian(cartographic, result) {
|
|
const n = cartographicToCartesianNormal;
|
|
const k = cartographicToCartesianK;
|
|
this.geodeticSurfaceNormalCartographic(cartographic, n);
|
|
Cartesian3_default.multiplyComponents(this._radiiSquared, n, k);
|
|
const gamma = Math.sqrt(Cartesian3_default.dot(n, k));
|
|
Cartesian3_default.divideByScalar(k, gamma, k);
|
|
Cartesian3_default.multiplyByScalar(n, cartographic.height, n);
|
|
if (!defined_default(result)) {
|
|
result = new Cartesian3_default();
|
|
}
|
|
return Cartesian3_default.add(k, n, result);
|
|
}
|
|
/**
|
|
* Converts the provided array of cartographics to an array of Cartesians.
|
|
*
|
|
* @param {Cartographic[]} cartographics An array of cartographic positions.
|
|
* @param {Cartesian3[]} [result] The object onto which to store the result.
|
|
* @returns {Cartesian3[]} The modified result parameter or a new Array instance if none was provided.
|
|
*
|
|
* @example
|
|
* //Convert an array of Cartographics and determine their Cartesian representation on a WGS84 ellipsoid.
|
|
* const positions = [new Cesium.Cartographic(Cesium.Math.toRadians(21), Cesium.Math.toRadians(78), 0),
|
|
* new Cesium.Cartographic(Cesium.Math.toRadians(21.321), Cesium.Math.toRadians(78.123), 100),
|
|
* new Cesium.Cartographic(Cesium.Math.toRadians(21.645), Cesium.Math.toRadians(78.456), 250)];
|
|
* const cartesianPositions = Cesium.Ellipsoid.WGS84.cartographicArrayToCartesianArray(positions);
|
|
*/
|
|
cartographicArrayToCartesianArray(cartographics, result) {
|
|
Check_default.defined("cartographics", cartographics);
|
|
const length = cartographics.length;
|
|
if (!defined_default(result)) {
|
|
result = new Array(length);
|
|
} else {
|
|
result.length = length;
|
|
}
|
|
for (let i = 0; i < length; i++) {
|
|
result[i] = this.cartographicToCartesian(cartographics[i], result[i]);
|
|
}
|
|
return result;
|
|
}
|
|
/**
|
|
* Converts the provided cartesian to cartographic representation.
|
|
* The cartesian is undefined at the center of the ellipsoid.
|
|
*
|
|
* @param {Cartesian3} cartesian The Cartesian position to convert to cartographic representation.
|
|
* @param {Cartographic} [result] The object onto which to store the result.
|
|
* @returns {Cartographic} The modified result parameter, new Cartographic instance if none was provided, or undefined if the cartesian is at the center of the ellipsoid.
|
|
*
|
|
* @example
|
|
* //Create a Cartesian and determine it's Cartographic representation on a WGS84 ellipsoid.
|
|
* const position = new Cesium.Cartesian3(17832.12, 83234.52, 952313.73);
|
|
* const cartographicPosition = Cesium.Ellipsoid.WGS84.cartesianToCartographic(position);
|
|
*/
|
|
cartesianToCartographic(cartesian, result) {
|
|
const p = this.scaleToGeodeticSurface(cartesian, cartesianToCartographicP2);
|
|
if (!defined_default(p)) {
|
|
return void 0;
|
|
}
|
|
const n = this.geodeticSurfaceNormal(p, cartesianToCartographicN2);
|
|
const h = Cartesian3_default.subtract(cartesian, p, cartesianToCartographicH2);
|
|
const longitude = Math.atan2(n.y, n.x);
|
|
const latitude = Math.asin(n.z);
|
|
const height = Math_default.sign(Cartesian3_default.dot(h, cartesian)) * Cartesian3_default.magnitude(h);
|
|
if (!defined_default(result)) {
|
|
return new Cartographic_default(longitude, latitude, height);
|
|
}
|
|
result.longitude = longitude;
|
|
result.latitude = latitude;
|
|
result.height = height;
|
|
return result;
|
|
}
|
|
/**
|
|
* Converts the provided array of cartesians to an array of cartographics.
|
|
*
|
|
* @param {Cartesian3[]} cartesians An array of Cartesian positions.
|
|
* @param {Cartographic[]} [result] The object onto which to store the result.
|
|
* @returns {Cartographic[]} The modified result parameter or a new Array instance if none was provided.
|
|
*
|
|
* @example
|
|
* //Create an array of Cartesians and determine their Cartographic representation on a WGS84 ellipsoid.
|
|
* const positions = [new Cesium.Cartesian3(17832.12, 83234.52, 952313.73),
|
|
* new Cesium.Cartesian3(17832.13, 83234.53, 952313.73),
|
|
* new Cesium.Cartesian3(17832.14, 83234.54, 952313.73)]
|
|
* const cartographicPositions = Cesium.Ellipsoid.WGS84.cartesianArrayToCartographicArray(positions);
|
|
*/
|
|
cartesianArrayToCartographicArray(cartesians, result) {
|
|
Check_default.defined("cartesians", cartesians);
|
|
const length = cartesians.length;
|
|
if (!defined_default(result)) {
|
|
result = new Array(length);
|
|
} else {
|
|
result.length = length;
|
|
}
|
|
for (let i = 0; i < length; ++i) {
|
|
result[i] = this.cartesianToCartographic(cartesians[i], result[i]);
|
|
}
|
|
return result;
|
|
}
|
|
/**
|
|
* Scales the provided Cartesian position along the geodetic surface normal
|
|
* so that it is on the surface of this ellipsoid. If the position is
|
|
* at the center of the ellipsoid, this function returns undefined.
|
|
*
|
|
* @param {Cartesian3} cartesian The Cartesian position to scale.
|
|
* @param {Cartesian3} [result] The object onto which to store the result.
|
|
* @returns {Cartesian3} The modified result parameter, a new Cartesian3 instance if none was provided, or undefined if the position is at the center.
|
|
*/
|
|
scaleToGeodeticSurface(cartesian, result) {
|
|
return scaleToGeodeticSurface_default(
|
|
cartesian,
|
|
this._oneOverRadii,
|
|
this._oneOverRadiiSquared,
|
|
this._centerToleranceSquared,
|
|
result
|
|
);
|
|
}
|
|
/**
|
|
* Scales the provided Cartesian position along the geocentric surface normal
|
|
* so that it is on the surface of this ellipsoid.
|
|
*
|
|
* @param {Cartesian3} cartesian The Cartesian position to scale.
|
|
* @param {Cartesian3} [result] The object onto which to store the result.
|
|
* @returns {Cartesian3} The modified result parameter or a new Cartesian3 instance if none was provided.
|
|
*/
|
|
scaleToGeocentricSurface(cartesian, result) {
|
|
Check_default.typeOf.object("cartesian", cartesian);
|
|
if (!defined_default(result)) {
|
|
result = new Cartesian3_default();
|
|
}
|
|
const positionX = cartesian.x;
|
|
const positionY = cartesian.y;
|
|
const positionZ = cartesian.z;
|
|
const oneOverRadiiSquared = this._oneOverRadiiSquared;
|
|
const beta = 1 / Math.sqrt(
|
|
positionX * positionX * oneOverRadiiSquared.x + positionY * positionY * oneOverRadiiSquared.y + positionZ * positionZ * oneOverRadiiSquared.z
|
|
);
|
|
return Cartesian3_default.multiplyByScalar(cartesian, beta, result);
|
|
}
|
|
/**
|
|
* Transforms a Cartesian X, Y, Z position to the ellipsoid-scaled space by multiplying
|
|
* its components by the result of {@link Ellipsoid#oneOverRadii}.
|
|
*
|
|
* @param {Cartesian3} position The position to transform.
|
|
* @param {Cartesian3} [result] The position to which to copy the result, or undefined to create and
|
|
* return a new instance.
|
|
* @returns {Cartesian3} The position expressed in the scaled space. The returned instance is the
|
|
* one passed as the result parameter if it is not undefined, or a new instance of it is.
|
|
*/
|
|
transformPositionToScaledSpace(position, result) {
|
|
if (!defined_default(result)) {
|
|
result = new Cartesian3_default();
|
|
}
|
|
return Cartesian3_default.multiplyComponents(position, this._oneOverRadii, result);
|
|
}
|
|
/**
|
|
* Transforms a Cartesian X, Y, Z position from the ellipsoid-scaled space by multiplying
|
|
* its components by the result of {@link Ellipsoid#radii}.
|
|
*
|
|
* @param {Cartesian3} position The position to transform.
|
|
* @param {Cartesian3} [result] The position to which to copy the result, or undefined to create and
|
|
* return a new instance.
|
|
* @returns {Cartesian3} The position expressed in the unscaled space. The returned instance is the
|
|
* one passed as the result parameter if it is not undefined, or a new instance of it is.
|
|
*/
|
|
transformPositionFromScaledSpace(position, result) {
|
|
if (!defined_default(result)) {
|
|
result = new Cartesian3_default();
|
|
}
|
|
return Cartesian3_default.multiplyComponents(position, this._radii, result);
|
|
}
|
|
/**
|
|
* Compares this Ellipsoid against the provided Ellipsoid componentwise and returns
|
|
* <code>true</code> if they are equal, <code>false</code> otherwise.
|
|
*
|
|
* @param {Ellipsoid} [right] The other Ellipsoid.
|
|
* @returns {boolean} <code>true</code> if they are equal, <code>false</code> otherwise.
|
|
*/
|
|
equals(right) {
|
|
return this === right || defined_default(right) && Cartesian3_default.equals(this._radii, right._radii);
|
|
}
|
|
/**
|
|
* Creates a string representing this Ellipsoid in the format '(radii.x, radii.y, radii.z)'.
|
|
*
|
|
* @returns {string} A string representing this ellipsoid in the format '(radii.x, radii.y, radii.z)'.
|
|
*/
|
|
toString() {
|
|
return this._radii.toString();
|
|
}
|
|
/**
|
|
* Computes a point which is the intersection of the surface normal with the z-axis.
|
|
*
|
|
* @param {Cartesian3} position the position. must be on the surface of the ellipsoid.
|
|
* @param {number} [buffer = 0.0] A buffer to subtract from the ellipsoid size when checking if the point is inside the ellipsoid.
|
|
* In earth case, with common earth datums, there is no need for this buffer since the intersection point is always (relatively) very close to the center.
|
|
* In WGS84 datum, intersection point is at max z = +-42841.31151331382 (0.673% of z-axis).
|
|
* Intersection point could be outside the ellipsoid if the ratio of MajorAxis / AxisOfRotation is bigger than the square root of 2
|
|
* @param {Cartesian3} [result] The cartesian to which to copy the result, or undefined to create and
|
|
* return a new instance.
|
|
* @returns {Cartesian3 | undefined} the intersection point if it's inside the ellipsoid, undefined otherwise
|
|
*
|
|
* @exception {DeveloperError} position is required.
|
|
* @exception {DeveloperError} Ellipsoid must be an ellipsoid of revolution (radii.x == radii.y).
|
|
* @exception {DeveloperError} Ellipsoid.radii.z must be greater than 0.
|
|
*/
|
|
getSurfaceNormalIntersectionWithZAxis(position, buffer, result) {
|
|
Check_default.typeOf.object("position", position);
|
|
if (!Math_default.equalsEpsilon(
|
|
this._radii.x,
|
|
this._radii.y,
|
|
Math_default.EPSILON15
|
|
)) {
|
|
throw new DeveloperError_default(
|
|
"Ellipsoid must be an ellipsoid of revolution (radii.x == radii.y)"
|
|
);
|
|
}
|
|
Check_default.typeOf.number.greaterThan("Ellipsoid.radii.z", this._radii.z, 0);
|
|
buffer = buffer ?? 0;
|
|
const squaredXOverSquaredZ = this._squaredXOverSquaredZ;
|
|
if (!defined_default(result)) {
|
|
result = new Cartesian3_default();
|
|
}
|
|
result.x = 0;
|
|
result.y = 0;
|
|
result.z = position.z * (1 - squaredXOverSquaredZ);
|
|
if (Math.abs(result.z) >= this._radii.z - buffer) {
|
|
return void 0;
|
|
}
|
|
return result;
|
|
}
|
|
/**
|
|
* Computes the ellipsoid curvatures at a given position on the surface.
|
|
*
|
|
* @param {Cartesian3} surfacePosition The position on the ellipsoid surface where curvatures will be calculated.
|
|
* @param {Cartesian2} [result] The cartesian to which to copy the result, or undefined to create and return a new instance.
|
|
* @returns {Cartesian2} The local curvature of the ellipsoid surface at the provided position, in east and north directions.
|
|
*
|
|
* @exception {DeveloperError} position is required.
|
|
*/
|
|
getLocalCurvature(surfacePosition, result) {
|
|
Check_default.typeOf.object("surfacePosition", surfacePosition);
|
|
if (!defined_default(result)) {
|
|
result = new Cartesian2_default();
|
|
}
|
|
const primeVerticalEndpoint = this.getSurfaceNormalIntersectionWithZAxis(
|
|
surfacePosition,
|
|
0,
|
|
scratchEndpoint
|
|
);
|
|
const primeVerticalRadius = Cartesian3_default.distance(
|
|
surfacePosition,
|
|
primeVerticalEndpoint
|
|
);
|
|
const radiusRatio = this.minimumRadius * primeVerticalRadius / this.maximumRadius ** 2;
|
|
const meridionalRadius = primeVerticalRadius * radiusRatio ** 2;
|
|
return Cartesian2_default.fromElements(
|
|
1 / primeVerticalRadius,
|
|
1 / meridionalRadius,
|
|
result
|
|
);
|
|
}
|
|
/**
|
|
* Computes an approximation of the surface area of a rectangle on the surface of an ellipsoid using
|
|
* Gauss-Legendre 10th order quadrature.
|
|
*
|
|
* @param {Rectangle} rectangle The rectangle used for computing the surface area.
|
|
* @returns {number} The approximate area of the rectangle on the surface of this ellipsoid.
|
|
*/
|
|
surfaceArea(rectangle) {
|
|
Check_default.typeOf.object("rectangle", rectangle);
|
|
const minLongitude = rectangle.west;
|
|
let maxLongitude = rectangle.east;
|
|
const minLatitude = rectangle.south;
|
|
const maxLatitude = rectangle.north;
|
|
while (maxLongitude < minLongitude) {
|
|
maxLongitude += Math_default.TWO_PI;
|
|
}
|
|
const radiiSquared = this._radiiSquared;
|
|
const a2 = radiiSquared.x;
|
|
const b2 = radiiSquared.y;
|
|
const c2 = radiiSquared.z;
|
|
const a2b2 = a2 * b2;
|
|
return gaussLegendreQuadrature(minLatitude, maxLatitude, function(lat) {
|
|
const sinPhi = Math.cos(lat);
|
|
const cosPhi = Math.sin(lat);
|
|
return Math.cos(lat) * gaussLegendreQuadrature(minLongitude, maxLongitude, function(lon) {
|
|
const cosTheta = Math.cos(lon);
|
|
const sinTheta = Math.sin(lon);
|
|
return Math.sqrt(
|
|
a2b2 * cosPhi * cosPhi + c2 * (b2 * cosTheta * cosTheta + a2 * sinTheta * sinTheta) * sinPhi * sinPhi
|
|
);
|
|
});
|
|
});
|
|
}
|
|
};
|
|
Ellipsoid.WGS84 = Object.freeze(
|
|
new Ellipsoid(6378137, 6378137, 6356752314245179e-9)
|
|
);
|
|
Ellipsoid.UNIT_SPHERE = Object.freeze(new Ellipsoid(1, 1, 1));
|
|
Ellipsoid.MOON = Object.freeze(
|
|
new Ellipsoid(
|
|
Math_default.LUNAR_RADIUS,
|
|
Math_default.LUNAR_RADIUS,
|
|
Math_default.LUNAR_RADIUS
|
|
)
|
|
);
|
|
Ellipsoid.MARS = Object.freeze(new Ellipsoid(3396190, 3396190, 3376200));
|
|
Ellipsoid._default = Ellipsoid.WGS84;
|
|
Ellipsoid.packedLength = Cartesian3_default.packedLength;
|
|
Ellipsoid.prototype.geocentricSurfaceNormal = Cartesian3_default.normalize;
|
|
var cartographicToCartesianNormal = new Cartesian3_default();
|
|
var cartographicToCartesianK = new Cartesian3_default();
|
|
var cartesianToCartographicN2 = new Cartesian3_default();
|
|
var cartesianToCartographicP2 = new Cartesian3_default();
|
|
var cartesianToCartographicH2 = new Cartesian3_default();
|
|
var scratchEndpoint = new Cartesian3_default();
|
|
var abscissas = [
|
|
0.14887433898163,
|
|
0.43339539412925,
|
|
0.67940956829902,
|
|
0.86506336668898,
|
|
0.97390652851717,
|
|
0
|
|
];
|
|
var weights = [
|
|
0.29552422471475,
|
|
0.26926671930999,
|
|
0.21908636251598,
|
|
0.14945134915058,
|
|
0.066671344308684,
|
|
0
|
|
];
|
|
function gaussLegendreQuadrature(a, b, func) {
|
|
Check_default.typeOf.number("a", a);
|
|
Check_default.typeOf.number("b", b);
|
|
Check_default.typeOf.func("func", func);
|
|
const xMean = 0.5 * (b + a);
|
|
const xRange = 0.5 * (b - a);
|
|
let sum = 0;
|
|
for (let i = 0; i < 5; i++) {
|
|
const dx = xRange * abscissas[i];
|
|
sum += weights[i] * (func(xMean + dx) + func(xMean - dx));
|
|
}
|
|
sum *= xRange;
|
|
return sum;
|
|
}
|
|
var Ellipsoid_default = Ellipsoid;
|
|
|
|
// packages/engine/Source/Core/Fullscreen.js
|
|
var _supportsFullscreen;
|
|
var _names = {
|
|
requestFullscreen: void 0,
|
|
exitFullscreen: void 0,
|
|
fullscreenEnabled: void 0,
|
|
fullscreenElement: void 0,
|
|
fullscreenchange: void 0,
|
|
fullscreenerror: void 0
|
|
};
|
|
var Fullscreen = {};
|
|
Object.defineProperties(Fullscreen, {
|
|
/**
|
|
* The element that is currently fullscreen, if any. To simply check if the
|
|
* browser is in fullscreen mode or not, use {@link Fullscreen#fullscreen}.
|
|
* @memberof Fullscreen
|
|
* @type {object}
|
|
* @readonly
|
|
*/
|
|
element: {
|
|
get: function() {
|
|
if (!Fullscreen.supportsFullscreen()) {
|
|
return void 0;
|
|
}
|
|
return document[_names.fullscreenElement];
|
|
}
|
|
},
|
|
/**
|
|
* The name of the event on the document that is fired when fullscreen is
|
|
* entered or exited. This event name is intended for use with addEventListener.
|
|
* In your event handler, to determine if the browser is in fullscreen mode or not,
|
|
* use {@link Fullscreen#fullscreen}.
|
|
* @memberof Fullscreen
|
|
* @type {string}
|
|
* @readonly
|
|
*/
|
|
changeEventName: {
|
|
get: function() {
|
|
if (!Fullscreen.supportsFullscreen()) {
|
|
return void 0;
|
|
}
|
|
return _names.fullscreenchange;
|
|
}
|
|
},
|
|
/**
|
|
* The name of the event that is fired when a fullscreen error
|
|
* occurs. This event name is intended for use with addEventListener.
|
|
* @memberof Fullscreen
|
|
* @type {string}
|
|
* @readonly
|
|
*/
|
|
errorEventName: {
|
|
get: function() {
|
|
if (!Fullscreen.supportsFullscreen()) {
|
|
return void 0;
|
|
}
|
|
return _names.fullscreenerror;
|
|
}
|
|
},
|
|
/**
|
|
* Determine whether the browser will allow an element to be made fullscreen, or not.
|
|
* For example, by default, iframes cannot go fullscreen unless the containing page
|
|
* adds an "allowfullscreen" attribute (or prefixed equivalent).
|
|
* @memberof Fullscreen
|
|
* @type {boolean}
|
|
* @readonly
|
|
*/
|
|
enabled: {
|
|
get: function() {
|
|
if (!Fullscreen.supportsFullscreen()) {
|
|
return void 0;
|
|
}
|
|
return document[_names.fullscreenEnabled];
|
|
}
|
|
},
|
|
/**
|
|
* Determines if the browser is currently in fullscreen mode.
|
|
* @memberof Fullscreen
|
|
* @type {boolean}
|
|
* @readonly
|
|
*/
|
|
fullscreen: {
|
|
get: function() {
|
|
if (!Fullscreen.supportsFullscreen()) {
|
|
return void 0;
|
|
}
|
|
return Fullscreen.element !== null;
|
|
}
|
|
}
|
|
});
|
|
Fullscreen.supportsFullscreen = function() {
|
|
if (defined_default(_supportsFullscreen)) {
|
|
return _supportsFullscreen;
|
|
}
|
|
_supportsFullscreen = false;
|
|
const body = document.body;
|
|
if (typeof body.requestFullscreen === "function") {
|
|
_names.requestFullscreen = "requestFullscreen";
|
|
_names.exitFullscreen = "exitFullscreen";
|
|
_names.fullscreenEnabled = "fullscreenEnabled";
|
|
_names.fullscreenElement = "fullscreenElement";
|
|
_names.fullscreenchange = "fullscreenchange";
|
|
_names.fullscreenerror = "fullscreenerror";
|
|
_supportsFullscreen = true;
|
|
return _supportsFullscreen;
|
|
}
|
|
const prefixes = ["webkit", "moz", "o", "ms", "khtml"];
|
|
let name;
|
|
for (let i = 0, len = prefixes.length; i < len; ++i) {
|
|
const prefix = prefixes[i];
|
|
name = `${prefix}RequestFullscreen`;
|
|
if (typeof body[name] === "function") {
|
|
_names.requestFullscreen = name;
|
|
_supportsFullscreen = true;
|
|
} else {
|
|
name = `${prefix}RequestFullScreen`;
|
|
if (typeof body[name] === "function") {
|
|
_names.requestFullscreen = name;
|
|
_supportsFullscreen = true;
|
|
}
|
|
}
|
|
name = `${prefix}ExitFullscreen`;
|
|
if (typeof document[name] === "function") {
|
|
_names.exitFullscreen = name;
|
|
} else {
|
|
name = `${prefix}CancelFullScreen`;
|
|
if (typeof document[name] === "function") {
|
|
_names.exitFullscreen = name;
|
|
}
|
|
}
|
|
name = `${prefix}FullscreenEnabled`;
|
|
if (document[name] !== void 0) {
|
|
_names.fullscreenEnabled = name;
|
|
} else {
|
|
name = `${prefix}FullScreenEnabled`;
|
|
if (document[name] !== void 0) {
|
|
_names.fullscreenEnabled = name;
|
|
}
|
|
}
|
|
name = `${prefix}FullscreenElement`;
|
|
if (document[name] !== void 0) {
|
|
_names.fullscreenElement = name;
|
|
} else {
|
|
name = `${prefix}FullScreenElement`;
|
|
if (document[name] !== void 0) {
|
|
_names.fullscreenElement = name;
|
|
}
|
|
}
|
|
name = `${prefix}fullscreenchange`;
|
|
if (document[`on${name}`] !== void 0) {
|
|
if (prefix === "ms") {
|
|
name = "MSFullscreenChange";
|
|
}
|
|
_names.fullscreenchange = name;
|
|
}
|
|
name = `${prefix}fullscreenerror`;
|
|
if (document[`on${name}`] !== void 0) {
|
|
if (prefix === "ms") {
|
|
name = "MSFullscreenError";
|
|
}
|
|
_names.fullscreenerror = name;
|
|
}
|
|
}
|
|
return _supportsFullscreen;
|
|
};
|
|
Fullscreen.requestFullscreen = function(element, vrDevice) {
|
|
if (!Fullscreen.supportsFullscreen()) {
|
|
return;
|
|
}
|
|
element[_names.requestFullscreen]({ vrDisplay: vrDevice });
|
|
};
|
|
Fullscreen.exitFullscreen = function() {
|
|
if (!Fullscreen.supportsFullscreen()) {
|
|
return;
|
|
}
|
|
document[_names.exitFullscreen]();
|
|
};
|
|
Fullscreen._names = _names;
|
|
var Fullscreen_default = Fullscreen;
|
|
|
|
// packages/engine/Source/Core/FeatureDetection.js
|
|
var theNavigator;
|
|
if (typeof navigator !== "undefined") {
|
|
theNavigator = navigator;
|
|
} else {
|
|
theNavigator = {};
|
|
}
|
|
function extractVersion(versionString) {
|
|
const parts = versionString.split(".");
|
|
for (let i = 0, len = parts.length; i < len; ++i) {
|
|
parts[i] = parseInt(parts[i], 10);
|
|
}
|
|
return parts;
|
|
}
|
|
var isChromeResult;
|
|
var chromeVersionResult;
|
|
function isChrome() {
|
|
if (!defined_default(isChromeResult)) {
|
|
isChromeResult = false;
|
|
if (!isEdge()) {
|
|
const fields = / Chrome\/([\.0-9]+)/.exec(theNavigator.userAgent);
|
|
if (fields !== null) {
|
|
isChromeResult = true;
|
|
chromeVersionResult = extractVersion(fields[1]);
|
|
}
|
|
}
|
|
}
|
|
return isChromeResult;
|
|
}
|
|
function chromeVersion() {
|
|
return isChrome() && chromeVersionResult;
|
|
}
|
|
var isSafariResult;
|
|
var safariVersionResult;
|
|
function isSafari() {
|
|
if (!defined_default(isSafariResult)) {
|
|
isSafariResult = false;
|
|
if (!isChrome() && !isEdge() && / Safari\/[\.0-9]+/.test(theNavigator.userAgent)) {
|
|
const fields = / Version\/([\.0-9]+)/.exec(theNavigator.userAgent);
|
|
if (fields !== null) {
|
|
isSafariResult = true;
|
|
safariVersionResult = extractVersion(fields[1]);
|
|
}
|
|
}
|
|
}
|
|
return isSafariResult;
|
|
}
|
|
function safariVersion() {
|
|
return isSafari() && safariVersionResult;
|
|
}
|
|
var isWebkitResult;
|
|
var webkitVersionResult;
|
|
function isWebkit() {
|
|
if (!defined_default(isWebkitResult)) {
|
|
isWebkitResult = false;
|
|
const fields = / AppleWebKit\/([\.0-9]+)(\+?)/.exec(theNavigator.userAgent);
|
|
if (fields !== null) {
|
|
isWebkitResult = true;
|
|
webkitVersionResult = extractVersion(fields[1]);
|
|
webkitVersionResult.isNightly = !!fields[2];
|
|
}
|
|
}
|
|
return isWebkitResult;
|
|
}
|
|
function webkitVersion() {
|
|
return isWebkit() && webkitVersionResult;
|
|
}
|
|
var isEdgeResult;
|
|
var edgeVersionResult;
|
|
function isEdge() {
|
|
if (!defined_default(isEdgeResult)) {
|
|
isEdgeResult = false;
|
|
const fields = / Edg\/([\.0-9]+)/.exec(theNavigator.userAgent);
|
|
if (fields !== null) {
|
|
isEdgeResult = true;
|
|
edgeVersionResult = extractVersion(fields[1]);
|
|
}
|
|
}
|
|
return isEdgeResult;
|
|
}
|
|
function edgeVersion() {
|
|
return isEdge() && edgeVersionResult;
|
|
}
|
|
var isFirefoxResult;
|
|
var firefoxVersionResult;
|
|
function isFirefox() {
|
|
if (!defined_default(isFirefoxResult)) {
|
|
isFirefoxResult = false;
|
|
const fields = /Firefox\/([\.0-9]+)/.exec(theNavigator.userAgent);
|
|
if (fields !== null) {
|
|
isFirefoxResult = true;
|
|
firefoxVersionResult = extractVersion(fields[1]);
|
|
}
|
|
}
|
|
return isFirefoxResult;
|
|
}
|
|
var isWindowsResult;
|
|
function isWindows() {
|
|
if (!defined_default(isWindowsResult)) {
|
|
isWindowsResult = /Windows/i.test(theNavigator.appVersion);
|
|
}
|
|
return isWindowsResult;
|
|
}
|
|
var isIPadOrIOSResult;
|
|
function isIPadOrIOS() {
|
|
if (!defined_default(isIPadOrIOSResult)) {
|
|
isIPadOrIOSResult = navigator.platform === "iPhone" || navigator.platform === "iPod" || navigator.platform === "iPad";
|
|
}
|
|
return isIPadOrIOSResult;
|
|
}
|
|
function firefoxVersion() {
|
|
return isFirefox() && firefoxVersionResult;
|
|
}
|
|
var hasPointerEvents;
|
|
function supportsPointerEvents() {
|
|
if (!defined_default(hasPointerEvents)) {
|
|
hasPointerEvents = !isFirefox() && typeof PointerEvent !== "undefined" && (!defined_default(theNavigator.pointerEnabled) || theNavigator.pointerEnabled);
|
|
}
|
|
return hasPointerEvents;
|
|
}
|
|
var imageRenderingValueResult;
|
|
var supportsImageRenderingPixelatedResult;
|
|
function supportsImageRenderingPixelated() {
|
|
if (!defined_default(supportsImageRenderingPixelatedResult)) {
|
|
const canvas = document.createElement("canvas");
|
|
canvas.setAttribute(
|
|
"style",
|
|
"image-rendering: -moz-crisp-edges;image-rendering: pixelated;"
|
|
);
|
|
const tmp = canvas.style.imageRendering;
|
|
supportsImageRenderingPixelatedResult = defined_default(tmp) && tmp !== "";
|
|
if (supportsImageRenderingPixelatedResult) {
|
|
imageRenderingValueResult = tmp;
|
|
}
|
|
}
|
|
return supportsImageRenderingPixelatedResult;
|
|
}
|
|
function imageRenderingValue() {
|
|
return supportsImageRenderingPixelated() ? imageRenderingValueResult : void 0;
|
|
}
|
|
function supportsWebP() {
|
|
if (!supportsWebP.initialized) {
|
|
throw new DeveloperError_default(
|
|
"You must call FeatureDetection.supportsWebP.initialize and wait for the promise to resolve before calling FeatureDetection.supportsWebP"
|
|
);
|
|
}
|
|
return supportsWebP._result;
|
|
}
|
|
supportsWebP._promise = void 0;
|
|
supportsWebP._result = void 0;
|
|
supportsWebP.initialize = function() {
|
|
if (defined_default(supportsWebP._promise)) {
|
|
return supportsWebP._promise;
|
|
}
|
|
supportsWebP._promise = new Promise((resolve) => {
|
|
const image = new Image();
|
|
image.onload = function() {
|
|
supportsWebP._result = image.width > 0 && image.height > 0;
|
|
resolve(supportsWebP._result);
|
|
};
|
|
image.onerror = function() {
|
|
supportsWebP._result = false;
|
|
resolve(supportsWebP._result);
|
|
};
|
|
image.src = "data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA";
|
|
});
|
|
return supportsWebP._promise;
|
|
};
|
|
Object.defineProperties(supportsWebP, {
|
|
initialized: {
|
|
get: function() {
|
|
return defined_default(supportsWebP._result);
|
|
}
|
|
}
|
|
});
|
|
var typedArrayTypes = [];
|
|
if (typeof ArrayBuffer !== "undefined") {
|
|
typedArrayTypes.push(
|
|
Int8Array,
|
|
Uint8Array,
|
|
Int16Array,
|
|
Uint16Array,
|
|
Int32Array,
|
|
Uint32Array,
|
|
Float32Array,
|
|
Float64Array
|
|
);
|
|
if (typeof Uint8ClampedArray !== "undefined") {
|
|
typedArrayTypes.push(Uint8ClampedArray);
|
|
}
|
|
if (typeof Uint8ClampedArray !== "undefined") {
|
|
typedArrayTypes.push(Uint8ClampedArray);
|
|
}
|
|
if (typeof BigInt64Array !== "undefined") {
|
|
typedArrayTypes.push(BigInt64Array);
|
|
}
|
|
if (typeof BigUint64Array !== "undefined") {
|
|
typedArrayTypes.push(BigUint64Array);
|
|
}
|
|
}
|
|
var FeatureDetection = {
|
|
isChrome,
|
|
chromeVersion,
|
|
isSafari,
|
|
safariVersion,
|
|
isWebkit,
|
|
webkitVersion,
|
|
isEdge,
|
|
edgeVersion,
|
|
isFirefox,
|
|
firefoxVersion,
|
|
isWindows,
|
|
isIPadOrIOS,
|
|
hardwareConcurrency: theNavigator.hardwareConcurrency ?? 3,
|
|
supportsPointerEvents,
|
|
supportsImageRenderingPixelated,
|
|
supportsWebP,
|
|
imageRenderingValue,
|
|
typedArrayTypes
|
|
};
|
|
FeatureDetection.supportsBasis = function(scene) {
|
|
return FeatureDetection.supportsWebAssembly() && scene.context.supportsBasis;
|
|
};
|
|
FeatureDetection.supportsFullscreen = function() {
|
|
return Fullscreen_default.supportsFullscreen();
|
|
};
|
|
FeatureDetection.supportsTypedArrays = function() {
|
|
return typeof ArrayBuffer !== "undefined";
|
|
};
|
|
FeatureDetection.supportsBigInt64Array = function() {
|
|
return typeof BigInt64Array !== "undefined";
|
|
};
|
|
FeatureDetection.supportsBigUint64Array = function() {
|
|
return typeof BigUint64Array !== "undefined";
|
|
};
|
|
FeatureDetection.supportsBigInt = function() {
|
|
return typeof BigInt !== "undefined";
|
|
};
|
|
FeatureDetection.supportsWebWorkers = function() {
|
|
return typeof Worker !== "undefined";
|
|
};
|
|
FeatureDetection.supportsWebAssembly = function() {
|
|
return typeof WebAssembly !== "undefined";
|
|
};
|
|
FeatureDetection.supportsWebgl2 = function(scene) {
|
|
Check_default.defined("scene", scene);
|
|
return scene.context.webgl2;
|
|
};
|
|
FeatureDetection.supportsEsmWebWorkers = function() {
|
|
return !isFirefox() || parseInt(firefoxVersionResult) >= 114;
|
|
};
|
|
var FeatureDetection_default = FeatureDetection;
|
|
|
|
export {
|
|
Cartographic_default,
|
|
Cartesian2_default,
|
|
Ellipsoid_default,
|
|
FeatureDetection_default
|
|
};
|