1 | 'use strict';
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 |
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7 | var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
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8 |
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9 | var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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10 |
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11 | exports.DMSToDeg = DMSToDeg;
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12 | exports.degToDMS = degToDMS;
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13 |
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14 | function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
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15 |
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16 | function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
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17 |
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18 | function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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19 |
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20 |
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21 |
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22 |
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23 |
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24 |
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25 |
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26 |
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27 |
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28 |
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29 |
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30 |
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31 |
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32 |
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33 |
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34 | var Angle = exports.Angle = function () {
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35 | |
36 |
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37 |
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38 |
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39 |
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40 |
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41 |
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42 |
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43 |
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44 |
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45 |
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46 | function Angle(neg, d, m, s) {
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47 | _classCallCheck(this, Angle);
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48 |
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49 | if (arguments.length === 1) {
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50 | this.angle = neg;
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51 | } else {
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52 | this.setDMS(neg, d, m, s);
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53 | }
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54 | }
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55 |
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56 | |
57 |
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58 |
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59 |
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60 |
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61 |
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62 |
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63 |
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64 |
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65 |
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66 |
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67 |
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68 | _createClass(Angle, [{
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69 | key: 'setDMS',
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70 | value: function setDMS() {
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71 | var neg = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
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72 | var d = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
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73 | var m = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
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74 | var s = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0.0;
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75 |
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76 | this.angle = DMSToDeg(neg, d, m, s) * Math.PI / 180;
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77 | return this;
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78 | }
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79 |
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80 | |
81 |
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82 |
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83 |
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84 |
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85 |
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86 | }, {
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87 | key: 'setAngle',
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88 | value: function setAngle(rad) {
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89 | this.angle = rad;
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90 | return this;
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91 | }
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92 |
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93 | |
94 |
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95 |
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96 |
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97 |
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98 | }, {
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99 | key: 'rad',
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100 | value: function rad() {
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101 | return this.angle;
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102 | }
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103 |
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104 | |
105 |
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106 |
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107 |
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108 |
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109 | }, {
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110 | key: 'deg',
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111 | value: function deg() {
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112 | return this.angle * 180 / Math.PI;
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113 | }
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114 |
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115 | |
116 |
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117 |
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118 |
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119 | }, {
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120 | key: 'toDMS',
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121 | value: function toDMS() {
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122 | return degToDMS(this.deg());
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123 | }
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124 |
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125 | |
126 |
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127 |
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128 |
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129 |
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130 |
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131 | }, {
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132 | key: 'toString',
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133 | value: function toString(precision) {
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134 | var _toDMS = this.toDMS(),
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135 | _toDMS2 = _slicedToArray(_toDMS, 4),
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136 | neg = _toDMS2[0],
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137 | d = _toDMS2[1],
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138 | m = _toDMS2[2],
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139 | s = _toDMS2[3];
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140 |
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141 | s = round(s, precision).toString().replace(/^0\./, '.');
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142 | var str = (neg ? '-' : '') + (d + '°') + (m + '′') + (s + '″');
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143 | return str;
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144 | }
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145 |
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146 | |
147 |
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148 |
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149 |
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150 |
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151 |
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152 | }, {
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153 | key: 'toDegString',
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154 | value: function toDegString(precision) {
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155 | var _modf = modf(this.deg()),
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156 | _modf2 = _slicedToArray(_modf, 2),
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157 | i = _modf2[0],
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158 | s = _modf2[1];
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159 |
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160 | s = round(s, precision).toString().replace(/^0\./, '.');
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161 | var str = i + '°' + s;
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162 | return str;
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163 | }
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164 | }]);
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165 |
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166 | return Angle;
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167 | }();
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168 |
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169 |
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170 |
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171 |
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172 |
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173 |
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174 |
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175 |
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176 |
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177 | var HourAngle = exports.HourAngle = function (_Angle) {
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178 | _inherits(HourAngle, _Angle);
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179 |
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180 | function HourAngle() {
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181 | _classCallCheck(this, HourAngle);
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182 |
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183 | return _possibleConstructorReturn(this, (HourAngle.__proto__ || Object.getPrototypeOf(HourAngle)).apply(this, arguments));
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184 | }
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185 |
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186 | _createClass(HourAngle, [{
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187 | key: 'setDMS',
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188 |
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189 | |
190 |
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191 |
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192 |
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193 |
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194 |
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195 |
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196 |
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197 |
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198 |
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199 |
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200 |
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201 | |
202 |
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203 |
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204 |
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205 |
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206 |
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207 |
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208 |
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209 |
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210 |
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211 | value: function setDMS() {
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212 | var neg = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
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213 | var h = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
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214 | var m = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
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215 | var s = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0.0;
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216 |
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217 | this.angle = DMSToDeg(neg, h, m, s) * 15 * Math.PI / 180;
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218 | return this;
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219 | }
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220 |
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221 | |
222 |
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223 |
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224 |
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225 |
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226 | }, {
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227 | key: 'hour',
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228 | value: function hour() {
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229 | return this.angle * 12 / Math.PI;
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230 | }
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231 | }, {
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232 | key: 'deg',
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233 | value: function deg() {
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234 | return this.hour();
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235 | }
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236 |
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237 | |
238 |
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239 |
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240 |
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241 |
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242 |
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243 | }, {
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244 | key: 'toString',
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245 | value: function toString(precision) {
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246 | var _toDMS3 = this.toDMS(),
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247 | _toDMS4 = _slicedToArray(_toDMS3, 4),
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248 | neg = _toDMS4[0],
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249 | h = _toDMS4[1],
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250 | m = _toDMS4[2],
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251 | s = _toDMS4[3];
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252 |
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253 | s = round(s, precision).toString().replace(/^0\./, '.');
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254 | var str = (neg ? '-' : '') + (h + 'ʰ') + (m + 'ᵐ') + (s + 'ˢ');
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255 | return str;
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256 | }
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257 | }]);
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258 |
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259 | return HourAngle;
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260 | }(Angle);
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261 |
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262 |
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263 |
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264 |
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265 |
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266 |
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267 |
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268 |
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269 |
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270 |
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271 |
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272 |
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273 | function DMSToDeg(neg, d, m, s) {
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274 | s = ((d * 60 + m) * 60 + s) / 3600;
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275 | if (neg) {
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276 | return -s;
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277 | }
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278 | return s;
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279 | }
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280 |
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281 |
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282 |
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283 |
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284 |
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285 |
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286 |
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287 |
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288 |
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289 |
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290 | function degToDMS(deg) {
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291 | var neg = deg < 0;
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292 | deg = Math.abs(deg);
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293 |
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294 | var _modf3 = modf(deg % 360),
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295 | _modf4 = _slicedToArray(_modf3, 2),
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296 | d = _modf4[0],
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297 | s = _modf4[1];
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298 |
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299 | var _modf5 = modf(s * 60),
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300 | _modf6 = _slicedToArray(_modf5, 2),
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301 | m = _modf6[0],
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302 | s1 = _modf6[1];
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303 |
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304 | s = round(s1 * 60);
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305 | return [neg, d, m, s];
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306 | }
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307 |
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308 |
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309 |
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310 |
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311 |
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312 | var RA = exports.RA = function (_HourAngle) {
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313 | _inherits(RA, _HourAngle);
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314 |
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315 | |
316 |
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317 |
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318 |
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319 |
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320 |
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321 |
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322 |
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323 | function RA() {
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324 | var h = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
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325 | var m = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
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326 | var s = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
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327 |
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328 | _classCallCheck(this, RA);
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329 |
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330 | var _this2 = _possibleConstructorReturn(this, (RA.__proto__ || Object.getPrototypeOf(RA)).call(this));
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331 |
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332 | var args = [].slice.call(arguments);
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333 | if (args.length === 1) {
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334 | _this2.angle = h;
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335 | } else {
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336 | var hr = DMSToDeg(false, h, m, s) % 24;
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337 | _this2.angle = hr * 15 * Math.PI / 180;
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338 | }
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339 | return _this2;
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340 | }
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341 |
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342 | _createClass(RA, [{
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343 | key: 'hour',
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344 | value: function hour() {
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345 | var h = this.angle * 12 / Math.PI;
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346 | return (24 + h % 24) % 24;
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347 | }
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348 | }]);
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349 |
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350 | return RA;
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351 | }(HourAngle);
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352 |
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353 |
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354 |
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355 |
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356 |
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357 |
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358 |
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359 | var Time = exports.Time = function () {
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360 | |
361 |
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362 |
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363 |
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364 |
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365 |
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366 | function Time(neg, h, m, s) {
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367 | _classCallCheck(this, Time);
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368 |
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369 | if (arguments.length === 1) {
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370 | this.time = neg;
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371 | } else {
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372 | this.setHMS(neg, h, m, s);
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373 | }
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374 | }
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375 |
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376 | _createClass(Time, [{
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377 | key: 'setHMS',
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378 | value: function setHMS() {
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379 | var neg = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
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380 | var h = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
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381 | var m = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
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382 | var s = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
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383 |
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384 | s += (h * 60 + m) * 60;
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385 | if (neg) {
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386 | s = -s;
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387 | }
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388 | this.time = s;
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389 | }
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390 |
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391 | |
392 |
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393 |
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394 |
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395 | }, {
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396 | key: 'sec',
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397 | value: function sec() {
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398 | return this.time;
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399 | }
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400 |
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401 | |
402 |
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403 |
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404 |
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405 | }, {
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406 | key: 'min',
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407 | value: function min() {
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408 | return this.time / 60;
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409 | }
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410 |
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411 | |
412 |
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413 |
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414 |
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415 | }, {
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416 | key: 'hour',
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417 | value: function hour() {
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418 | return this.time / 3600;
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419 | }
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420 |
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421 | |
422 |
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423 |
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424 |
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425 | }, {
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426 | key: 'day',
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427 | value: function day() {
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428 | return this.time / 3600 / 24;
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429 | }
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430 |
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431 | |
432 |
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433 |
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434 |
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435 | }, {
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436 | key: 'rad',
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437 | value: function rad() {
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438 | return this.time * Math.PI / 12 / 3600;
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439 | }
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440 |
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441 | |
442 |
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443 |
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444 |
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445 |
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446 |
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447 |
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448 |
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449 |
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450 | }, {
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451 | key: 'toHMS',
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452 | value: function toHMS() {
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453 | var t = this.time;
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454 | var neg = t < 0;
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455 | t = neg ? -t : t;
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456 | var h = Math.trunc(t / 3600);
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457 | t = t - h * 3600;
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458 | var m = Math.trunc(t / 60);
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459 | var s = t - m * 60;
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460 | return [neg, h, m, s];
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461 | }
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462 |
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463 | |
464 |
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465 |
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466 |
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467 |
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468 |
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469 | }, {
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470 | key: 'toString',
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471 | value: function toString(precision) {
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472 | var _toHMS = this.toHMS(),
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473 | _toHMS2 = _slicedToArray(_toHMS, 4),
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474 | neg = _toHMS2[0],
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475 | h = _toHMS2[1],
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476 | m = _toHMS2[2],
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477 | s = _toHMS2[3];
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478 |
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479 | var _modf7 = modf(s),
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480 | _modf8 = _slicedToArray(_modf7, 2),
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481 | si = _modf8[0],
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482 | sf = _modf8[1];
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483 |
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484 | if (precision === 0) {
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485 | si = round(s, 0);
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486 | sf = 0;
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487 | } else {
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488 | sf = round(sf, precision).toString().substr(1);
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489 | }
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490 | var str = (neg ? '-' : '') + (h + 'ʰ') + (m + 'ᵐ') + (si + 'ˢ') + (sf || '');
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491 | return str;
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492 | }
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493 | }]);
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494 |
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495 | return Time;
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496 | }();
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497 |
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498 |
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499 |
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500 |
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501 | var angleFromDeg = exports.angleFromDeg = function angleFromDeg(deg) {
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502 | return deg * Math.PI / 180;
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503 | };
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504 | var angleFromMin = exports.angleFromMin = function angleFromMin(min) {
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505 | return min / 60 * Math.PI / 180;
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506 | };
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507 | var angleFromSec = exports.angleFromSec = function angleFromSec(sec) {
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508 | return sec / 3600 * Math.PI / 180;
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509 | };
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510 | var degFromAngle = exports.degFromAngle = function degFromAngle(angle) {
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511 | return angle * 180 / Math.PI;
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512 | };
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513 | var secFromAngle = exports.secFromAngle = function secFromAngle(angle) {
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514 | return angle * 3600 * 180 / Math.PI;
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515 | };
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516 | var secFromHourAngle = exports.secFromHourAngle = function secFromHourAngle(ha) {
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517 | return ha * 240 * 180 / Math.PI;
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518 | };
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519 |
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520 |
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521 |
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522 |
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523 |
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524 |
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525 |
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526 |
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527 |
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528 | function modf(float) {
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529 | var i = Math.trunc(float);
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530 | var f = Math.abs(float - i);
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531 | return [i, f];
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532 | }
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533 |
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534 |
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535 |
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536 |
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537 |
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538 |
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539 |
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540 |
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541 | function round(float, precision) {
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542 | precision = precision === undefined ? 10 : precision;
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543 | return parseFloat(float.toFixed(precision), 10);
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544 | }
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545 |
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546 | exports.default = {
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547 | Angle: Angle,
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548 | HourAngle: HourAngle,
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549 | DMSToDeg: DMSToDeg,
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550 | degToDMS: degToDMS,
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551 | RA: RA,
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552 | Time: Time,
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553 | angleFromDeg: angleFromDeg,
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554 | angleFromMin: angleFromMin,
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555 | angleFromSec: angleFromSec,
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556 | degFromAngle: degFromAngle,
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557 | secFromAngle: secFromAngle,
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558 | secFromHourAngle: secFromHourAngle
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559 | }; |
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