// Copyright (c) 2016-2016 The Regents of the University of California.
// All rights reserved.
//
// Permission is hereby granted, without written agreement and without
// license or royalty fees, to use, copy, modify, and distribute this
// software and its documentation for any purpose, provided that the above
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// PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
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/** This accessor takes two WG-84 locations (latitude, longitude, and altitude)
* and outputs the euclidean distance between them.
*
*
* @accessor geodesy/LlaDist
* @author Eloi T. Pereira (eloi@berkeley.edu)
* @version $$Id$$
* @input {double} lat1 latitude
* @input {double} lon1 longitude
* @input {double} alt1 altitude
* @input {double} lat2 latitude
* @input {double} lon2 longitude
* @input {double} alt2 altitude
* @output {double} dist euclidean distance
*
*/
// Stop extra messages from jslint and jshint. Note that there should
// be no space between the / and the * and global. See
// https://chess.eecs.berkeley.edu/ptexternal/wiki/Main/JSHint */
/*globals addInputHandler, get, error, exports, extend, get, input, output, parameter, require, send */
/*jshint globalstrict: true*/
'use strict';
/** Set up the accessor by defining the inputs and outputs.
*/
exports.setup = function () {
this.input('lat1', {
'type': 'number',
'value': 0.0
});
this.input('lon1', {
'type': 'number',
'value': 0.0
});
this.input('alt1', {
'type': 'number',
'value': 0.0
});
this.input('lat2', {
'type': 'number',
'value': 0.0
});
this.input('lon2', {
'type': 'number',
'value': 0.0
});
this.input('alt2', {
'type': 'number',
'value': 0.0
});
this.output('dist', {
'type': 'number'
});
var lla2ecef1 = this.instantiate('Lla2Ecef', 'geodesy/Lla2Ecef');
var lla2ecef2 = this.instantiate('Lla2Ecef', 'geodesy/Lla2Ecef');
var dist = this.instantiate('EuclideanDist', 'geodesy/EuclideanDist');
this.connect('lat1', lla2ecef1, 'lat');
this.connect('lon1', lla2ecef1, 'lon');
this.connect('alt1', lla2ecef1, 'alt');
this.connect('lat2', lla2ecef2, 'lat');
this.connect('lon2', lla2ecef2, 'lon');
this.connect('alt2', lla2ecef2, 'alt');
this.connect(lla2ecef1, 'x', dist, 'x1');
this.connect(lla2ecef1, 'y', dist, 'y1');
this.connect(lla2ecef1, 'z', dist, 'z1');
this.connect(lla2ecef2, 'x', dist, 'x2');
this.connect(lla2ecef2, 'y', dist, 'y2');
this.connect(lla2ecef2, 'z', dist, 'z2');
this.connect(dist, 'dist', 'dist');
};