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2022-03-14 f5c7ecb8db935bc07169938869e3260b21fda13a

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/**
 * Cesium - https://github.com/AnalyticalGraphicsInc/cesium
 *
 * Copyright 2011-2017 Cesium Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * 
 *  该版本修改了部分代码，主要是汉化、优化功能、添加接口 等 by 火星科技 http://marsgis.cn
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Columbus View (Pat. Pend.)
 *
 * Portions licensed separately.
 * See https://github.com/AnalyticalGraphicsInc/cesium/blob/master/LICENSE.md for full licensing details.
 */
define(["exports","./defined-b9ff0e39","./Check-e6691f86","./defaultValue-199f5aa8","./Math-92bd3539","./Cartesian2-8fa798b8","./defineProperties-ae15c9d5"],function(t,m,i,M,_,g,e){"use strict";function p(t,i,e){if(0===t)return i*e;var a=t*t,n=a*a,s=n*a,h=s*a,u=h*a,r=u*a,o=e;return i*((1-a/4-3*n/64-5*s/256-175*h/16384-441*u/65536-4851*r/1048576)*o-(3*a/8+3*n/32+45*s/1024+105*h/4096+2205*u/131072+6237*r/524288)*Math.sin(2*o)+(15*n/256+45*s/1024+525*h/16384+1575*u/65536+155925*r/8388608)*Math.sin(4*o)-(35*s/3072+175*h/12288+3675*u/262144+13475*r/1048576)*Math.sin(6*o)+(315*h/131072+2205*u/524288+43659*r/8388608)*Math.sin(8*o)-(693*u/1310720+6237*r/5242880)*Math.sin(10*o)+1001*r/8388608*Math.sin(12*o))}function f(t,i){if(0===t)return Math.log(Math.tan(.5*(_.CesiumMath.PI_OVER_TWO+i)));var e=t*Math.sin(i);return Math.log(Math.tan(.5*(_.CesiumMath.PI_OVER_TWO+i)))-t/2*Math.log((1+e)/(1-e))}var r=new g.Cartesian3,o=new g.Cartesian3;function n(t,i,e,a){g.Cartesian3.normalize(a.cartographicToCartesian(i,o),r),g.Cartesian3.normalize(a.cartographicToCartesian(e,o),o);var n=a.maximumRadius,s=a.minimumRadius,h=n*n,u=s*s;t._ellipticitySquared=(h-u)/h,t._ellipticity=Math.sqrt(t._ellipticitySquared),t._start=g.Cartographic.clone(i,t._start),t._start.height=0,t._end=g.Cartographic.clone(e,t._end),t._end.height=0,t._heading=function(t,i,e,a,n){var s=f(t._ellipticity,e),h=f(t._ellipticity,n);return Math.atan2(_.CesiumMath.negativePiToPi(a-i),h-s)}(t,i.longitude,i.latitude,e.longitude,e.latitude),t._distance=function(t,i,e,a,n,s,h){var u=t._heading,r=s-a,o=0;if(_.CesiumMath.equalsEpsilon(Math.abs(u),_.CesiumMath.PI_OVER_TWO,_.CesiumMath.EPSILON8))if(i===e)o=i*Math.cos(n)*_.CesiumMath.negativePiToPi(r);else{var l=Math.sin(n);o=i*Math.cos(n)*_.CesiumMath.negativePiToPi(r)/Math.sqrt(1-t._ellipticitySquared*l*l)}else{var d=p(t._ellipticity,i,n);o=(p(t._ellipticity,i,h)-d)/Math.cos(u)}return Math.abs(o)}(t,a.maximumRadius,a.minimumRadius,i.longitude,i.latitude,e.longitude,e.latitude)}function c(t,i,e,a,n,s){var h,u,r,o=n*n;if(Math.abs(_.CesiumMath.PI_OVER_TWO-Math.abs(i))>_.CesiumMath.EPSILON8){u=function(t,i,e){var a=t/e;if(0===i)return a;var n=a*a,s=n*a,h=s*a,u=i*i,r=u*u,o=r*u,l=o*u,d=l*u,M=d*u,c=Math.sin(2*a),m=Math.cos(2*a),_=Math.sin(4*a),g=Math.cos(4*a),p=Math.sin(6*a),f=Math.cos(6*a),C=Math.sin(8*a),P=Math.cos(8*a),v=Math.sin(10*a);return a+a*u/4+7*a*r/64+15*a*o/256+579*a*l/16384+1515*a*d/65536+16837*a*M/1048576+(3*a*r/16+45*a*o/256-a*(32*n-561)*l/4096-a*(232*n-1677)*d/16384+a*(399985-90560*n+512*h)*M/5242880)*m+(21*a*o/256+483*a*l/4096-a*(224*n-1969)*d/16384-a*(33152*n-112599)*M/1048576)*g+(151*a*l/4096+4681*a*d/65536+1479*a*M/16384-453*s*M/32768)*f+(1097*a*d/65536+42783*a*M/1048576)*P+8011*a*M/1048576*Math.cos(10*a)+(3*u/8+3*r/16+213*o/2048-3*n*o/64+255*l/4096-33*n*l/512+20861*d/524288-33*n*d/512+h*d/1024+28273*M/1048576-471*n*M/8192+9*h*M/4096)*c+(21*r/256+21*o/256+533*l/8192-21*n*l/512+197*d/4096-315*n*d/4096+584039*M/16777216-12517*n*M/131072+7*h*M/2048)*_+(151*o/6144+151*l/4096+5019*d/131072-453*n*d/16384+26965*M/786432-8607*n*M/131072)*p+(1097*l/131072+1097*d/65536+225797*M/10485760-1097*n*M/65536)*C+(8011*d/2621440+8011*M/1048576)*v+293393*M/251658240*Math.sin(12*a)}(p(n,a,t.latitude)+e*Math.cos(i),n,a);var l=f(n,t.latitude),d=f(n,u);r=Math.tan(i)*(d-l),h=_.CesiumMath.negativePiToPi(t.longitude+r)}else{var M;if(u=t.latitude,0===n)M=a*Math.cos(t.latitude);else{var c=Math.sin(t.latitude);M=a*Math.cos(t.latitude)/Math.sqrt(1-o*c*c)}r=e/M,h=0<i?_.CesiumMath.negativePiToPi(t.longitude+r):_.CesiumMath.negativePiToPi(t.longitude-r)}return m.defined(s)?(s.longitude=h,s.latitude=u,s.height=0,s):new g.Cartographic(h,u,0)}function C(t,i,e){var a=M.defaultValue(e,g.Ellipsoid.WGS84);this._ellipsoid=a,this._start=new g.Cartographic,this._end=new g.Cartographic,this._heading=void 0,this._distance=void 0,this._ellipticity=void 0,this._ellipticitySquared=void 0,m.defined(t)&&m.defined(i)&&n(this,t,i,a)}e.defineProperties(C.prototype,{ellipsoid:{get:function(){return this._ellipsoid}},surfaceDistance:{get:function(){return this._distance}},start:{get:function(){return this._start}},end:{get:function(){return this._end}},heading:{get:function(){return this._heading}}}),C.fromStartHeadingDistance=function(t,i,e,a,n){var s=M.defaultValue(a,g.Ellipsoid.WGS84),h=s.maximumRadius,u=s.minimumRadius,r=h*h,o=u*u,l=Math.sqrt((r-o)/r),d=c(t,i=_.CesiumMath.negativePiToPi(i),e,s.maximumRadius,l);return!m.defined(n)||m.defined(a)&&!a.equals(n.ellipsoid)?new C(t,d,s):(n.setEndPoints(t,d),n)},C.prototype.setEndPoints=function(t,i){n(this,t,i,this._ellipsoid)},C.prototype.interpolateUsingFraction=function(t,i){return this.interpolateUsingSurfaceDistance(t*this._distance,i)},C.prototype.interpolateUsingSurfaceDistance=function(t,i){return c(this._start,this._heading,t,this._ellipsoid.maximumRadius,this._ellipticity,i)},C.prototype.findIntersectionWithLongitude=function(t,i){var e=this._ellipticity,a=this._heading,n=Math.abs(a),s=this._start;if(t=_.CesiumMath.negativePiToPi(t),_.CesiumMath.equalsEpsilon(Math.abs(t),Math.PI,_.CesiumMath.EPSILON14)&&(t=_.CesiumMath.sign(s.longitude)*Math.PI),m.defined(i)||(i=new g.Cartographic),Math.abs(_.CesiumMath.PI_OVER_TWO-n)<=_.CesiumMath.EPSILON8)return i.longitude=t,i.latitude=s.latitude,i.height=0,i;if(_.CesiumMath.equalsEpsilon(Math.abs(_.CesiumMath.PI_OVER_TWO-n),_.CesiumMath.PI_OVER_TWO,_.CesiumMath.EPSILON8)){if(_.CesiumMath.equalsEpsilon(t,s.longitude,_.CesiumMath.EPSILON12))return;return i.longitude=t,i.latitude=_.CesiumMath.PI_OVER_TWO*_.CesiumMath.sign(_.CesiumMath.PI_OVER_TWO-a),i.height=0,i}var h,u=s.latitude,r=e*Math.sin(u),o=Math.tan(.5*(_.CesiumMath.PI_OVER_TWO+u))*Math.exp((t-s.longitude)/Math.tan(a)),l=(1+r)/(1-r),d=s.latitude;do{h=d;var M=e*Math.sin(h),c=(1+M)/(1-M);d=2*Math.atan(o*Math.pow(c/l,e/2))-_.CesiumMath.PI_OVER_TWO}while(!_.CesiumMath.equalsEpsilon(d,h,_.CesiumMath.EPSILON12));return i.longitude=t,i.latitude=d,i.height=0,i},C.prototype.findIntersectionWithLatitude=function(t,i){var e=this._ellipticity,a=this._heading,n=this._start;if(!_.CesiumMath.equalsEpsilon(Math.abs(a),_.CesiumMath.PI_OVER_TWO,_.CesiumMath.EPSILON8)){var s=f(e,n.latitude),h=f(e,t),u=Math.tan(a)*(h-s),r=_.CesiumMath.negativePiToPi(n.longitude+u);return m.defined(i)?(i.longitude=r,i.latitude=t,i.height=0,i):new g.Cartographic(r,t,0)}},t.EllipsoidRhumbLine=C});