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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
*
* 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.
*/
/**
@license
mersenne-twister.js - https://gist.github.com/banksean/300494
Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura,
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The names of its contributors may not be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
@license
when.js - https://github.com/cujojs/when
MIT License (c) copyright B Cavalier & J Hann
* A lightweight CommonJS Promises/A and when() implementation
* when is part of the cujo.js family of libraries (http://cujojs.com/)
*
* Licensed under the MIT License at:
* http://www.opensource.org/licenses/mit-license.php
*
* @version 1.7.1
*/
/**
@license
sprintf.js from the php.js project - https://github.com/kvz/phpjs
Directly from https://github.com/kvz/phpjs/blob/master/functions/strings/sprintf.js
php.js is copyright 2012 Kevin van Zonneveld.
Portions copyright Brett Zamir (http://brett-zamir.me), Kevin van Zonneveld
(http://kevin.vanzonneveld.net), Onno Marsman, Theriault, Michael White
(http://getsprink.com), Waldo Malqui Silva, Paulo Freitas, Jack, Jonas
Raoni Soares Silva (http://www.jsfromhell.com), Philip Peterson, Legaev
Andrey, Ates Goral (http://magnetiq.com), Alex, Ratheous, Martijn Wieringa,
Rafa? Kukawski (http://blog.kukawski.pl), lmeyrick
(https://sourceforge.net/projects/bcmath-js/), Nate, Philippe Baumann,
Enrique Gonzalez, Webtoolkit.info (http://www.webtoolkit.info/), Carlos R.
L. Rodrigues (http://www.jsfromhell.com), Ash Searle
(http://hexmen.com/blog/), Jani Hartikainen, travc, Ole Vrijenhoek,
Erkekjetter, Michael Grier, Rafa? Kukawski (http://kukawski.pl), Johnny
Mast (http://www.phpvrouwen.nl), T.Wild, d3x,
http://stackoverflow.com/questions/57803/how-to-convert-decimal-to-hex-in-javascript,
Rafa? Kukawski (http://blog.kukawski.pl/), stag019, pilus, WebDevHobo
(http://webdevhobo.blogspot.com/), marrtins, GeekFG
(http://geekfg.blogspot.com), Andrea Giammarchi
(http://webreflection.blogspot.com), Arpad Ray (mailto:arpad@php.net),
gorthaur, Paul Smith, Tim de Koning (http://www.kingsquare.nl), Joris, Oleg
Eremeev, Steve Hilder, majak, gettimeofday, KELAN, Josh Fraser
(http://onlineaspect.com/2007/06/08/auto-detect-a-time-zone-with-javascript/),
Marc Palau, Martin
(http://www.erlenwiese.de/), Breaking Par Consulting Inc
(http://www.breakingpar.com/bkp/home.nsf/0/87256B280015193F87256CFB006C45F7),
Chris, Mirek Slugen, saulius, Alfonso Jimenez
(http://www.alfonsojimenez.com), Diplom@t (http://difane.com/), felix,
Mailfaker (http://www.weedem.fr/), Tyler Akins (http://rumkin.com), Caio
Ariede (http://caioariede.com), Robin, Kankrelune
(http://www.webfaktory.info/), Karol Kowalski, Imgen Tata
(http://www.myipdf.com/), mdsjack (http://www.mdsjack.bo.it), Dreamer,
Felix Geisendoerfer (http://www.debuggable.com/felix), Lars Fischer, AJ,
David, Aman Gupta, Michael White, Public Domain
(http://www.json.org/json2.js), Steven Levithan
(http://blog.stevenlevithan.com), Sakimori, Pellentesque Malesuada,
Thunder.m, Dj (http://phpjs.org/functions/htmlentities:425#comment_134018),
Steve Clay, David James, Francois, class_exists, nobbler, T. Wild, Itsacon
(http://www.itsacon.net/), date, Ole Vrijenhoek (http://www.nervous.nl/),
Fox, Raphael (Ao RUDLER), Marco, noname, Mateusz "loonquawl" Zalega, Frank
Forte, Arno, ger, mktime, john (http://www.jd-tech.net), Nick Kolosov
(http://sammy.ru), marc andreu, Scott Cariss, Douglas Crockford
(http://javascript.crockford.com), madipta, Slawomir Kaniecki,
ReverseSyntax, Nathan, Alex Wilson, kenneth, Bayron Guevara, Adam Wallner
(http://web2.bitbaro.hu/), paulo kuong, jmweb, Lincoln Ramsay, djmix,
Pyerre, Jon Hohle, Thiago Mata (http://thiagomata.blog.com), lmeyrick
(https://sourceforge.net/projects/bcmath-js/this.), Linuxworld, duncan,
Gilbert, Sanjoy Roy, Shingo, sankai, Oskar Larsson H?gfeldt
(http://oskar-lh.name/), Denny Wardhana, 0m3r, Everlasto, Subhasis Deb,
josh, jd, Pier Paolo Ramon (http://www.mastersoup.com/), P, merabi, Soren
Hansen, Eugene Bulkin (http://doubleaw.com/), Der Simon
(http://innerdom.sourceforge.net/), echo is bad, Ozh, XoraX
(http://www.xorax.info), EdorFaus, JB, J A R, Marc Jansen, Francesco, LH,
Stoyan Kyosev (http://www.svest.org/), nord_ua, omid
(http://phpjs.org/functions/380:380#comment_137122), Brad Touesnard, MeEtc
(http://yass.meetcweb.com), Peter-Paul Koch
(http://www.quirksmode.org/js/beat.html), Olivier Louvignes
(http://mg-crea.com/), T0bsn, Tim Wiel, Bryan Elliott, Jalal Berrami,
Martin, JT, David Randall, Thomas Beaucourt (http://www.webapp.fr), taith,
vlado houba, Pierre-Luc Paour, Kristof Coomans (SCK-CEN Belgian Nucleair
Research Centre), Martin Pool, Kirk Strobeck, Rick Waldron, Brant Messenger
(http://www.brantmessenger.com/), Devan Penner-Woelk, Saulo Vallory, Wagner
B. Soares, Artur Tchernychev, Valentina De Rosa, Jason Wong
(http://carrot.org/), Christoph, Daniel Esteban, strftime, Mick@el, rezna,
Simon Willison (http://simonwillison.net), Anton Ongson, Gabriel Paderni,
Marco van Oort, penutbutterjelly, Philipp Lenssen, Bjorn Roesbeke
(http://www.bjornroesbeke.be/), Bug?, Eric Nagel, Tomasz Wesolowski,
Evertjan Garretsen, Bobby Drake, Blues (http://tech.bluesmoon.info/), Luke
Godfrey, Pul, uestla, Alan C, Ulrich, Rafal Kukawski, Yves Sucaet,
sowberry, Norman "zEh" Fuchs, hitwork, Zahlii, johnrembo, Nick Callen,
Steven Levithan (stevenlevithan.com), ejsanders, Scott Baker, Brian Tafoya
(http://www.premasolutions.com/), Philippe Jausions
(http://pear.php.net/user/jausions), Aidan Lister
(http://aidanlister.com/), Rob, e-mike, HKM, ChaosNo1, metjay, strcasecmp,
strcmp, Taras Bogach, jpfle, Alexander Ermolaev
(http://snippets.dzone.com/user/AlexanderErmolaev), DxGx, kilops, Orlando,
dptr1988, Le Torbi, James (http://www.james-bell.co.uk/), Pedro Tainha
(http://www.pedrotainha.com), James, Arnout Kazemier
(http://www.3rd-Eden.com), Chris McMacken, gabriel paderni, Yannoo,
FGFEmperor, baris ozdil, Tod Gentille, Greg Frazier, jakes, 3D-GRAF, Allan
Jensen (http://www.winternet.no), Howard Yeend, Benjamin Lupton, davook,
daniel airton wermann (http://wermann.com.br), Atli T¨®r, Maximusya, Ryan
W Tenney (http://ryan.10e.us), Alexander M Beedie, fearphage
(http://http/my.opera.com/fearphage/), Nathan Sepulveda, Victor, Matteo,
Billy, stensi, Cord, Manish, T.J. Leahy, Riddler
(http://www.frontierwebdev.com/), Rafa? Kukawski, FremyCompany, Matt
Bradley, Tim de Koning, Luis Salazar (http://www.freaky-media.com/), Diogo
Resende, Rival, Andrej Pavlovic, Garagoth, Le Torbi
(http://www.letorbi.de/), Dino, Josep Sanz (http://www.ws3.es/), rem,
Russell Walker (http://www.nbill.co.uk/), Jamie Beck
(http://www.terabit.ca/), setcookie, Michael, YUI Library:
http://developer.yahoo.com/yui/docs/YAHOO.util.DateLocale.html, Blues at
http://hacks.bluesmoon.info/strftime/strftime.js, Ben
(http://benblume.co.uk/), DtTvB
(http://dt.in.th/2008-09-16.string-length-in-bytes.html), Andreas, William,
meo, incidence, Cagri Ekin, Amirouche, Amir Habibi
(http://www.residence-mixte.com/), Luke Smith (http://lucassmith.name),
Kheang Hok Chin (http://www.distantia.ca/), Jay Klehr, Lorenzo Pisani,
Tony, Yen-Wei Liu, Greenseed, mk.keck, Leslie Hoare, dude, booeyOH, Ben
Bryan
Licensed under the MIT (MIT-LICENSE.txt) license.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL KEVIN VAN ZONNEVELD BE LIABLE FOR ANY CLAIM, DAMAGES
OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* @license
*
* Grauw URI utilities
*
* See: http://hg.grauw.nl/grauw-lib/file/tip/src/uri.js
*
* @author Laurens Holst (http://www.grauw.nl/)
*
* Copyright 2012 Laurens Holst
*
* 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
*
* 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.
*
*/
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return"("+this[0]+", "+this[4]+", "+this[8]+", "+this[12]+")\n("+this[1]+", "+this[5]+", "+this[9]+", "+this[13]+")\n("+this[2]+", "+this[6]+", "+this[10]+", "+this[14]+")\n("+this[3]+", "+this[7]+", "+this[11]+", "+this[15]+")"},l}),define("Core/Rectangle",["./Cartographic","./Check","./defaultValue","./defined","./defineProperties","./Ellipsoid","./freezeObject","./Math"],function(e,t,r,n,i,a,o,u){"use strict";function s(e,t,n,i){this.west=r(e,0),this.south=r(t,0),this.east=r(n,0),this.north=r(i,0)}i(s.prototype,{width:{get:function(){return s.computeWidth(this)}},height:{get:function(){return s.computeHeight(this)}}}),s.packedLength=4,s.pack=function(e,n,i){return t.typeOf.object("value",e),t.defined("array",n),i=r(i,0),n[i++]=e.west,n[i++]=e.south,n[i++]=e.east,n[i]=e.north,n},s.unpack=function(e,i,a){return t.defined("array",e),i=r(i,0),n(a)||(a=new s),a.west=e[i++],a.south=e[i++],a.east=e[i++],a.north=e[i],a},s.computeWidth=function(e){t.typeOf.object("rectangle",e);var r=e.east,n=e.west;return n>r&&(r+=u.TWO_PI),r-n},s.computeHeight=function(e){return t.typeOf.object("rectangle",e),e.north-e.south},s.fromDegrees=function(e,t,i,a,o){return e=u.toRadians(r(e,0)),t=u.toRadians(r(t,0)),i=u.toRadians(r(i,0)),a=u.toRadians(r(a,0)),n(o)?(o.west=e,o.south=t,o.east=i,o.north=a,o):new s(e,t,i,a)},s.fromRadians=function(e,t,i,a,o){return n(o)?(o.west=r(e,0),o.south=r(t,0),o.east=r(i,0),o.north=r(a,0),o):new s(e,t,i,a)},s.fromCartographicArray=function(e,r){t.defined("cartographics",e);for(var i=Number.MAX_VALUE,a=-Number.MAX_VALUE,o=Number.MAX_VALUE,c=-Number.MAX_VALUE,l=Number.MAX_VALUE,f=-Number.MAX_VALUE,d=0,h=e.length;h>d;d++){var p=e[d];i=Math.min(i,p.longitude),a=Math.max(a,p.longitude),l=Math.min(l,p.latitude),f=Math.max(f,p.latitude);var m=p.longitude>=0?p.longitude:p.longitude+u.TWO_PI;o=Math.min(o,m),c=Math.max(c,m)}return a-i>c-o&&(i=o,a=c,a>u.PI&&(a-=u.TWO_PI),i>u.PI&&(i-=u.TWO_PI)),n(r)?(r.west=i,r.south=l,r.east=a,r.north=f,r):new s(i,l,a,f)},s.fromCartesianArray=function(e,i,o){t.defined("cartesians",e),i=r(i,a.WGS84);for(var c=Number.MAX_VALUE,l=-Number.MAX_VALUE,f=Number.MAX_VALUE,d=-Number.MAX_VALUE,h=Number.MAX_VALUE,p=-Number.MAX_VALUE,m=0,y=e.length;y>m;m++){var E=i.cartesianToCartographic(e[m]);c=Math.min(c,E.longitude),l=Math.max(l,E.longitude),h=Math.min(h,E.latitude),p=Math.max(p,E.latitude);var O=E.longitude>=0?E.longitude:E.longitude+u.TWO_PI;f=Math.min(f,O),d=Math.max(d,O)}return l-c>d-f&&(c=f,l=d,l>u.PI&&(l-=u.TWO_PI),c>u.PI&&(c-=u.TWO_PI)),n(o)?(o.west=c,o.south=h,o.east=l,o.north=p,o):new s(c,h,l,p)},s.clone=function(e,t){return n(e)?n(t)?(t.west=e.west,t.south=e.south,t.east=e.east,t.north=e.north,t):new s(e.west,e.south,e.east,e.north):void 0},s.equalsEpsilon=function(e,r,i){return t.typeOf.number("absoluteEpsilon",i),e===r||n(e)&&n(r)&&Math.abs(e.west-r.west)<=i&&Math.abs(e.south-r.south)<=i&&Math.abs(e.east-r.east)<=i&&Math.abs(e.north-r.north)<=i},s.prototype.clone=function(e){return s.clone(this,e)},s.prototype.equals=function(e){return s.equals(this,e)},s.equals=function(e,t){return e===t||n(e)&&n(t)&&e.west===t.west&&e.south===t.south&&e.east===t.east&&e.north===t.north},s.prototype.equalsEpsilon=function(e,r){return t.typeOf.number("epsilon",r),s.equalsEpsilon(this,e,r)},s.validate=function(e){t.typeOf.object("rectangle",e);var r=e.north;t.typeOf.number.greaterThanOrEquals("north",r,-u.PI_OVER_TWO),t.typeOf.number.lessThanOrEquals("north",r,u.PI_OVER_TWO);var n=e.south;t.typeOf.number.greaterThanOrEquals("south",n,-u.PI_OVER_TWO),t.typeOf.number.lessThanOrEquals("south",n,u.PI_OVER_TWO);var i=e.west;t.typeOf.number.greaterThanOrEquals("west",i,-Math.PI),t.typeOf.number.lessThanOrEquals("west",i,Math.PI);var a=e.east;t.typeOf.number.greaterThanOrEquals("east",a,-Math.PI),t.typeOf.number.lessThanOrEquals("east",a,Math.PI)},s.southwest=function(r,i){return t.typeOf.object("rectangle",r),n(i)?(i.longitude=r.west,i.latitude=r.south,i.height=0,i):new e(r.west,r.south)},s.northwest=function(r,i){return t.typeOf.object("rectangle",r),n(i)?(i.longitude=r.west,i.latitude=r.north,i.height=0,i):n
}return _}var g=O*O,A=E*E,b=p*p,S=O*E,N=b+A,I=2*(m*p+S),M=2*y*p+m*m-A+g,x=2*(y*m-S),C=y*y-g;if(0===N&&0===I&&0===M&&0===x)return _;l=c.computeRealRoots(N,I,M,x,C);var P=l.length;if(0===P)return _;for(var U=0;P>U;++U){var q,D=l[U],L=D*D,F=Math.max(1-L,0),B=Math.sqrt(F);q=o.sign(p)===o.sign(y)?h(p*L+y,m*D,o.EPSILON12):o.sign(y)===o.sign(m*D)?h(p*L,m*D+y,o.EPSILON12):h(p*L+m*D,y,o.EPSILON12);var j=h(E*D,O,o.EPSILON15),z=q*j;0>z?_.push(new e(i,a*D,a*B)):z>0?_.push(new e(i,a*D,a*-B)):0!==B?(_.push(new e(i,a*D,a*-B)),_.push(new e(i,a*D,a*B)),++U):_.push(new e(i,a*D,a*B))}return _}var m={};m.rayPlane=function(t,r,a){if(!n(t))throw new i("ray is required.");if(!n(r))throw new i("plane is required.");n(a)||(a=new e);var u=t.origin,s=t.direction,c=r.normal,l=e.dot(c,s);if(!(Math.abs(l)<o.EPSILON15)){var f=(-r.distance-e.dot(c,u))/l;if(!(0>f))return a=e.multiplyByScalar(s,f,a),e.add(u,a,a)}};var y=new e,E=new e,O=new e,_=new e,w=new e;m.rayTriangleParametric=function(t,a,u,s,c){if(!n(t))throw new i("ray is required.");if(!n(a))throw new i("p0 is required.");if(!n(u))throw new i("p1 is required.");if(!n(s))throw new i("p2 is required.");c=r(c,!1);var l,f,d,h,p,m=t.origin,T=t.direction,R=e.subtract(u,a,y),v=e.subtract(s,a,E),g=e.cross(T,v,O),A=e.dot(R,g);if(c){if(A<o.EPSILON6)return;if(l=e.subtract(m,a,_),d=e.dot(l,g),0>d||d>A)return;if(f=e.cross(l,R,w),h=e.dot(T,f),0>h||d+h>A)return;p=e.dot(v,f)/A}else{if(Math.abs(A)<o.EPSILON6)return;var b=1/A;if(l=e.subtract(m,a,_),d=e.dot(l,g)*b,0>d||d>1)return;if(f=e.cross(l,R,w),h=e.dot(T,f)*b,0>h||d+h>1)return;p=e.dot(v,f)*b}return p},m.rayTriangle=function(t,r,i,a,o,u){var s=m.rayTriangleParametric(t,r,i,a,o);if(n(s)&&!(0>s))return n(u)||(u=new e),e.multiplyByScalar(t.direction,s,u),e.add(t.origin,u,u)};var T=new l;m.lineSegmentTriangle=function(t,r,a,o,u,s,c){if(!n(t))throw new i("v0 is required.");if(!n(r))throw new i("v1 is required.");if(!n(a))throw new i("p0 is required.");if(!n(o))throw new i("p1 is required.");if(!n(u))throw new i("p2 is required.");var l=T;e.clone(t,l.origin),e.subtract(r,t,l.direction),e.normalize(l.direction,l.direction);var f=m.rayTriangleParametric(l,a,o,u,s);return!n(f)||0>f||f>e.distance(t,r)?void 0:(n(c)||(c=new e),e.multiplyByScalar(l.direction,f,c),e.add(l.origin,c,c))};var R={root0:0,root1:0};m.raySphere=function(e,t,r){if(!n(e))throw new i("ray is required.");if(!n(t))throw new i("sphere is required.");return r=d(e,t,r),!n(r)||r.stop<0?void 0:(r.start=Math.max(r.start,0),r)};var v=new l;m.lineSegmentSphere=function(t,r,a,o){if(!n(t))throw new i("p0 is required.");if(!n(r))throw new i("p1 is required.");if(!n(a))throw new i("sphere is required.");var u=v;e.clone(t,u.origin);var s=e.subtract(r,t,u.direction),c=e.magnitude(s);return e.normalize(s,s),o=d(u,a,o),!n(o)||o.stop<0||o.start>c?void 0:(o.start=Math.max(o.start,0),o.stop=Math.min(o.stop,c),o)};var g=new e,A=new e;m.rayEllipsoid=function(t,r){if(!n(t))throw new i("ray is required.");if(!n(r))throw new i("ellipsoid is required.");var o,u,s,c,l,f=r.oneOverRadii,d=e.multiplyComponents(f,t.origin,g),h=e.multiplyComponents(f,t.direction,A),p=e.magnitudeSquared(d),m=e.dot(d,h);if(p>1){if(m>=0)return;var y=m*m;if(o=p-1,u=e.magnitudeSquared(h),s=u*o,s>y)return;if(y>s){c=m*m-s,l=-m+Math.sqrt(c);var E=l/u,O=o/l;return O>E?new a(E,O):{start:O,stop:E}}var _=Math.sqrt(o/u);return new a(_,_)}return 1>p?(o=p-1,u=e.magnitudeSquared(h),s=u*o,c=m*m-s,l=-m+Math.sqrt(c),new a(0,l/u)):0>m?(u=e.magnitudeSquared(h),new a(0,-m/u)):void 0};var b=new e,S=new e,N=new e,I=new e,M=new e,x=new u,C=new u,P=new u,U=new u,q=new u,D=new u,L=new u,F=new e,B=new e,j=new t;m.grazingAltitudeLocation=function(t,r){if(!n(t))throw new i("ray is required.");if(!n(r))throw new i("ellipsoid is required.");var a=t.origin,s=t.direction;if(!e.equals(a,e.ZERO)){var c=r.geodeticSurfaceNormal(a,b);if(e.dot(s,c)>=0)return a}var l=n(this.rayEllipsoid(t,r)),f=r.transformPositionToScaledSpace(s,b),d=e.normalize(f,f),h=e.mostOrthogonalAxis(f,I),m=e.normalize(e.cross(h,d,S),S),y=e.normalize(e.cross(d,m,N),N),E=x;E[0]=d.x,E[1]=d.y,E[2]=d.z,E[3]=m.x,E[4]=m.y,
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