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Kimeiga/globe-treehecks.markdown

Created February 13, 2021 07:09
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globe treehecks
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index.html
<head>
<meta charset="utf-8" />
<meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no" />
<title>BasemapGallery widget | Sample | ArcGIS API for JavaScript 4.18</title>
<link rel="stylesheet" href="https://js.arcgis.com/4.18/esri/themes/light/main.css" />
<script src="https://js.arcgis.com/4.18/"></script>
<script src="https://developers.arcgis.com/javascript/latest/sample-code/satellites-3d/live/satellite.js"></script>
</head>
<body>
<div id="viewDiv"></div>
</body>
Raw
script.js
require([
"esri/Map",
"esri/views/SceneView",
"esri/layers/GraphicsLayer",
"esri/Graphic",
"esri/config"
], function (Map, SceneView, GraphicsLayer, Graphic, esriConfig) {
esriConfig.apiKey =
"AAPKfc01264404d3407ea6bf00c408424a9cq5qGex-2YuTlLmULZ02c4BQB8aJjDvlI9e3_ju3wBf-KlbXW99JOpu4dahxsS9Ge";
data = `ATLAS CENTAUR 2 R/B
1 694U 63047A 15309.93805426 +.00000879 +00000-0 +10245-3 0 9993
2 694 030.3578 165.2350 0591191 321.6694 034.3267 14.01313741600350
THOR AGENA D R/B
1 00733U 64002A 15309.88761686 .00000140 00000-0 69523-4 0 9997
2 00733 99.0717 95.2313 0034952 90.6226 269.8961 14.32154066697958
SL-3 R/B
1 877U 64053B 15309.93366170 +.00000101 +00000-0 +45662-4 0 9992
2 877 065.0783 213.9795 0073716 329.4390 030.2423 14.59175529715547
SL-8 R/B
1 02802U 67045B 15310.09894311 .00000172 00000-0 57532-4 0 9995
2 02802 74.0119 183.2145 0066350 18.3090 342.0432 14.43511400543970
SL-8 R/B
1 03230U 68040B 15309.62232468 .00000986 00000-0 10672-3 0 9999
2 03230 74.0364 342.6472 0029355 90.9749 269.4796 14.89493552547711
OAO 2
1 03597U 68110A 15309.78619215 .00000141 00000-0 44618-4 0 9990
2 03597 34.9940 71.4044 0005945 212.7270 147.3052 14.45682330472561
ISIS 1
1 03669U 69009A 15310.17516513 .00000076 00000-0 39697-4 0 9998
2 03669 88.4422 212.9770 1713160 143.4525 229.6738 11.29373758922472
SERT 2
1 04327U 70009A 15310.34658341 .00000002 00000-0 59765-4 0 9994
2 04327 99.2896 63.8594 0005727 104.0237 320.8080 13.58395607267546
SL-3 R/B
1 04814U 70113B 15310.51860169 .00004724 00000-0 16180-3 0 9991
2 04814 81.1470 13.0801 0027661 293.3577 66.4750 15.29624404444390
SL-3 R/B
1 05118U 71028B 15310.54485874 .00002086 00000-0 11592-3 0 9995
2 05118 81.2530 108.6824 0051051 73.5200 287.1627 15.12096859415205
ASTEX 1
1 5560U 71089A 15309.75105353 +.00000240 +00000-0 +65336-4 0 9991
2 5560 092.7197 013.8430 0015578 192.1897 167.8933 14.47710870315606
SL-8 R/B
1 05730U 71119B 15309.84003447 .00004503 00000-0 29994-3 0 9990
2 05730 73.8943 96.9825 0713866 93.6282 274.6707 13.98148811123206
COSMOS 482 DESCENT CRAFT
1 06073U 72023E 15310.52625717 .00031439 53641-5 16741-3 0 9991
2 06073 52.0616 139.6817 1681273 46.7232 326.2151 12.33405471287451
OAO 3 (COPERNICUS)
1 06153U 72065A 15310.55505875 .00000179 00000-0 43108-4 0 9992
2 06153 35.0057 152.3927 0007473 306.5552 77.9951 14.57707909294948
ATLAS CENTAUR R/B
1 6155U 72065B 15309.93068257 +.00000512 +00000-0 +84877-4 0 9991
2 6155 035.0046 300.9062 0038073 159.9455 200.2748 14.70999861284221
SL-8 R/B
1 7004U 73107B 15309.93528771 +.00016074 +00000-0 +32093-3 0 9997
2 7004 073.9414 249.2287 0234312 268.3663 089.0686 15.22344155147016
DELTA 1 R/B
1 8063U 75072B 15309.91312171 +.00084542 +56237-6 +90271-3 0 9995
2 8063 089.1181 109.3556 0378871 197.5374 161.2490 15.08447569784300
SL-8 R/B
1 8459U 75112B 15309.88799669 +.00000233 +00000-0 +88028-4 0 9990
2 8459 074.0600 113.3485 0015131 069.7231 290.5547 14.36662036089342
SL-3 R/B
1 10114U 77057B 15310.51089639 .00001630 00000-0 88716-4 0 9998
2 10114 97.2143 151.4933 0013403 210.3286 149.7174 15.15697888 94345
SEASAT 1
1 10967U 78064A 15310.52118983 .00000109 00000-0 72683-4 0 9995
2 10967 107.9992 149.8241 0002104 247.1129 112.9793 14.43460049961658
SL-14 R/B
1 11267U 79011B 15310.39836812 .00000349 00000-0 34685-4 0 9991
2 11267 82.5263 65.2846 0017744 32.2039 328.0259 14.88656698987866
SL-8 R/B
1 11574U 79089B 15309.89606839 +.00000113 +00000-0 +43827-4 0 9991
2 11574 074.0704 226.6894 0017141 280.6674 079.2551 14.40513297892099
SL-14 R/B
1 11672U 80005B 15309.95884395 +.00000362 +00000-0 +36876-4 0 9994
2 11672 082.5143 275.4443 0018353 110.9877 249.3306 14.87682280914663
SL-3 R/B
1 11849U 80051B 15310.21738264 .00045848 00000-0 36639-3 0 9999
2 11849 97.6834 238.1789 0002929 160.3653 199.7722 15.70986527945955
SL-3 R/B
1 11933U 80069B 14142.00220786 .13526183 -93797-6 14751-3 0 9999
2 11933 081.1638 015.6664 0010317 233.6206 126.8454 16.50143735859229
COSMOS 1220
1 12054U 80089A 14046.92356602 .10642788 78504-5 35630-3 0 9990
2 12054 064.9024 045.5536 0015341 327.6303 033.4497 16.43050581730424
SL-8 R/B
1 12139U 81003B 15310.48321054 .00004348 00000-0 22109-3 0 9991
2 12139 82.9476 307.6914 0490840 213.9862 142.8991 14.49698703761537
SL-8 R/B
1 12389U 81033B 15192.92184244 .24045308 -12285-5 13476-3 0 9994
2 12389 082.8246 077.2321 0005162 254.4661 106.7109 16.55182833770380
SL-3 R/B
1 12465U 81046B 15309.66625093 .00001214 00000-0 66866-4 0 9996
2 12465 81.2427 341.1298 0036806 128.0491 232.4067 15.12659092878298
METEOR PRIRODA
1 12585U 81065A 15310.49928025 .00002878 00000-0 14289-3 0 9992
2 12585 97.3646 290.5936 0013926 302.0976 172.0508 15.18405403872876
SL-3 R/B
1 12904U 81103B 15309.91346902 +.00001533 +00000-0 +10700-3 0 9994
2 12904 081.1787 228.2385 0028053 201.0673 158.9396 15.04510182403978
SL-3 R/B
1 13068U 82013B 15310.21222604 .00000704 00000-0 46177-4 0 9991
2 13068 81.2034 174.5343 0023648 99.7086 260.6810 15.06163942834811
SL-3 R/B
1 13154U 82039B 15310.11278241 .00001036 00000-0 85015-4 0 9995
2 13154 81.1842 175.2682 0041762 49.5521 310.9327 14.97695741815548
COSMOS 1400
1 13402U 82079A 14256.66778491 .27275328 -94809-6 79222-3 0 9990
2 13402 081.0858 318.9218 0010816 262.6711 226.2494 16.44432491764223
SL-3 R/B
1 13403U 82079B 15310.48846905 .00001355 00000-0 90770-4 0 9992
2 13403 81.1708 223.2720 0036136 58.3433 302.1306 15.05705355808109
SL-3 R/B
1 13819U 83010B 15310.04251196 .00003017 00000-0 16384-3 0 9998
2 13819 81.1142 126.8101 0034510 139.5943 220.7857 15.13701425784556
SL-3 R/B
1 14208U 83075B 15309.65757173 .00001584 00000-0 10128-3 0 9990
2 14208 97.3734 332.8422 0040580 5.9255 354.2446 15.09369853758543
COSMOS 1500
1 14372U 83099A 15310.47218744 .00003695 00000-0 19250-3 0 9996
2 14372 82.5180 204.6809 0015694 337.0082 109.8353 15.15603890748567
SL-8 R/B
1 14484U 83111B 15205.93052686 .08845674 -13632-5 17840-3 0 9993
2 14484 082.7984 284.0558 0021915 241.5243 119.6463 16.44974174635216
COSMOS 1536
1 14699U 84013A 15309.69049026 .00000921 00000-0 64119-4 0 9996
2 14699 82.5267 179.9834 0011339 265.3171 94.6761 15.04262267724443
COSMOS 1544
1 14819U 84027A 15310.13298913 .00005716 00000-0 24155-3 0 9999
2 14819 82.4855 258.6983 0013884 315.9103 44.1025 15.22947763726056
SL-14 R/B
1 14820U 84027B 15310.15730496 .00000245 00000-0 26912-4 0 9996
2 14820 82.5433 175.4737 0018252 199.8202 160.2306 14.83409055708636
ERBS
1 15354U 84108B 15309.88514202 +.00007689 +00000-0 +21297-3 0 9991
2 15354 057.0093 146.3810 0018210 075.5025 284.8046 15.37843337707070
SL-8 R/B
1 15483U 85006B 15310.57335019 .00000088 00000-0 39021-4 0 9998
2 15483 74.0467 355.4224 0017673 123.5107 37.9927 14.36068435612050
SL-12 R/B(2)
1 15772U 85042D 15309.95002038 +.00000104 +00000-0 +69164-4 0 9991
2 15772 071.1060 138.9531 0037471 240.9403 269.3256 14.21143164577732
SL-14 R/B
1 15945U 85069B 15309.58581972 .00000281 00000-0 30913-4 0 9996
2 15945 82.5262 325.1345 0021309 69.6566 290.6936 14.83771467633596
SL-3 R/B
1 16111U 85090B 15310.47482509 .00009393 00000-0 20516-3 0 9992
2 16111 97.3613 39.8644 0020057 10.1357 350.0292 15.44200177653169
SL-16 R/B
1 16182U 85097B 15309.91132044 -.00000228 +00000-0 -90856-4 0 9995
2 16182 071.0019 167.8433 0009949 256.0475 194.0771 14.16181756552517
SL-14 R/B
1 16496U 86006B 15310.42941950 .00000255 00000-0 27827-4 0 9992
2 16496 82.5274 200.9499 0018455 208.9101 273.6167 14.83883007610037
SL-14 R/B
1 16792U 86046B 15309.78988661 .00000265 00000-0 29449-4 0 9995
2 16792 82.4856 36.9416 0025785 74.7674 44.5990 14.82988197587526
SL-14 R/B
1 16882U 86055B 15309.90377387 +.00000327 +00000-0 +37285-4 0 9992
2 16882 082.5225 065.1423 0019830 184.3547 315.4293 14.82966575559453
EGS (AJISAI)
1 16908U 86061A 15310.23010644 -.00000097 00000-0 20332-5 0 9997
2 16908 50.0076 185.4943 0011571 35.7894 79.9367 12.44482189998100
COSMOS 1812
1 17295U 87003A 15310.47430266 .00002183 00000-0 12250-3 0 9991
2 17295 82.5175 3.6047 0003827 26.9141 333.2288 15.12869454569898
SL-14 R/B
1 17567U 87024B 15309.78363158 .00000291 00000-0 32374-4 0 9991
2 17567 82.5319 30.6153 0020487 127.7873 232.5201 14.83507366549073
COSMOS 1833
1 17589U 87027A 15309.66315533 -.00000289 00000-0 -12925-3 0 9997
2 17589 70.9152 343.5845 0015899 133.3174 226.9276 14.12846640477033
SL-16 R/B
1 17590U 87027B 15310.20441499 -.00000064 00000-0 -80627-5 0 9999
2 17590 71.0023 310.1897 0003280 144.4493 215.6850 14.16707204480706
SL-14 R/B
1 17912U 87038B 15309.87808998 .00000312 00000-0 35600-4 0 9995
2 17912 82.5034 243.2186 0020796 15.5675 344.6174 14.82785663540393
COSMOS 1844
1 17973U 87041A 15309.93320390 -.00000250 00000-0 -10539-3 0 9994
2 17973 70.8998 75.4169 0033796 288.6434 71.1019 14.14010094469849
SL-14 R/B
1 18153U 87055B 15310.08753451 .00000279 00000-0 31349-4 0 9998
2 18153 82.4980 297.5002 0020583 220.8241 139.1433 14.83030538531045
COSMOS 1867
1 18187U 87060A 15309.77381859 -.00000057 00000-0 16208-4 0 9996
2 18187 65.0107 78.3131 0019091 280.0031 79.8899 14.31065556479650
SL-14 R/B
1 18749U 88001B 15309.91279735 +.00000274 +00000-0 +30735-4 0 9992
2 18749 082.5118 137.0542 0020368 091.9663 023.1974 14.82962899482032
COSMOS 1933
1 18958U 88020A 15309.53161080 +.00000933 +00000-0 +68088-4 0 9990
2 18958 082.5278 312.5587 0013345 123.4243 236.8261 15.02486672481799
SL-3 R/B
1 19046U 88032B 15309.73159306 .00000824 00000-0 67280-4 0 9994
2 19046 97.6205 359.7531 0040265 182.5977 177.5044 15.01543733484163
SL-16 R/B
1 19120U 88039B 15310.46564642 .00000306 00000-0 16871-3 0 9993
2 19120 71.0128 128.8204 0021653 4.8369 355.2961 14.19125431422860
COSMOS 1953
1 19210U 88050A 15309.90173940 +.00001903 +00000-0 +13446-3 0 9999
2 19210 082.5190 244.3249 0015338 106.2708 254.0207 15.04263452468080
SL-8 R/B
1 19257U 88053B 15309.96599912 +.00000127 +00000-0 +51413-4 0 9994
2 19257 074.0501 219.6828 0021671 257.1920 178.6039 14.37254850433836
COSMOS 1975
1 19573U 88093A 15309.78276464 +.00001706 +00000-0 +12411-3 0 9991
2 19573 082.5228 195.3562 0015568 139.5770 220.6615 15.03119363450094
SL-14 R/B
1 19574U 88093B 15310.16748021 .00000263 00000-0 29296-4 0 9996
2 19574 82.5313 335.7153 0020182 257.4022 165.6197 14.83071371462149
SL-16 R/B
1 19650U 88102B 15310.09669261 .00000255 00000-0 15422-3 0 9998
2 19650 70.9986 173.7577 0014432 350.2854 9.7987 14.15729780392615
INTERCOSMOS 24
1 20261U 89080A 15309.76793199 +.00000214 +00000-0 +58151-4 0 9996
2 20261 082.5959 031.7245 1205905 015.8800 347.6857 12.55632933192390
SL-14 R/B
1 20262U 89080C 15309.84845071 +.00000387 +00000-0 +11057-3 0 9997
2 20262 082.5938 073.5041 1238076 160.0247 205.4104 12.48745450188582
DELTA 1 R/B
1 20323U 89089B 15310.14675427 .00000190 00000-0 58236-4 0 9998
2 20323 97.0762 340.1387 0073172 133.4063 227.3256 14.48045791369478
DELTA 2 R/B(1)
1 20453U 90008B 15310.46995193 .00003426 00000-0 20369-3 0 9995
2 20453 35.6267 82.6126 0301203 320.8672 37.0606 14.80146968360825
COSMOS 2058
1 20465U 90010A 15309.90189565 +.00001495 +00000-0 +12805-3 0 9996
2 20465 082.4887 094.1841 0017147 116.6839 243.6141 14.96777393376055
SL-14 R/B
1 20466U 90010B 15310.37912933 .00000251 00000-0 29082-4 0 9998
2 20466 82.5055 203.4771 0022041 110.7045 249.6534 14.81144758390330
SL-14 R/B
1 20511U 90018B 15309.92865220 +.00000219 +00000-0 +25977-4 0 9995
2 20511 082.5211 142.8214 0016185 243.2036 231.6934 14.79805829363815
HST
1 20580U 90037B 15310.23973575 .00001847 00000-0 10627-3 0 9994
2 20580 28.4707 297.1173 0002691 324.9145 147.4713 15.07845401201264
SL-16 R/B
1 20625U 90046B 15310.38327323 .00005147 00000-0 26802-2 0 9992
2 20625 71.0060 304.8804 0022367 274.4064 85.4985 14.14882652314564
COSMOS 2084
1 20663U 90055A 15310.21703562 .00000688 00000-0 81987-4 0 9991
2 20663 62.7954 32.7849 0099244 29.3266 331.3346 14.90789901371979
SL-6 R/B(2)
1 20666U 90055D 15310.42535366 .00000906 00000-0 97808-4 0 9994
2 20666 62.7847 312.6435 0117897 50.6275 310.5190 14.91176841373350
SL-8 R/B
1 20775U 90078B 15310.14937461 .00007109 00000-0 36768-3 0 9990
2 20775 82.9318 169.5904 0608179 351.7735 114.9850 14.25906237264661
SL-8 R/B
1 21088U 91006B 15309.93684260 +.00000137 +00000-0 +12287-3 0 9995
2 21088 082.9402 098.2658 0022961 166.7354 307.7221 13.77012597244235
OKEAN 3
1 21397U 91039A 15309.64945841 .00001002 00000-0 96399-4 0 9996
2 21397 82.5216 338.1991 0019379 51.8358 308.4604 14.91863067321861
COSMOS 2151
1 21422U 91042A 15309.89269456 +.00000914 +00000-0 +88913-4 0 9991
2 21422 082.5001 087.0716 0015851 101.0710 259.2293 14.91377723299576
SL-14 R/B
1 21423U 91042B 15309.70595696 .00000201 00000-0 23671-4 0 9999
2 21423 82.4925 152.2468 0018315 25.6641 334.5476 14.79561015315419
ERS 1
1 21574U 91050A 15310.49805469 .00000359 00000-0 13365-3 0 9997
2 21574 98.3850 258.5867 0031923 275.1197 194.6714 14.37392755273016
ARIANE 40 R/B
1 21610U 91050F 15310.17886791 .00000141 00000-0 58487-4 0 9994
2 21610 98.6885 349.3721 0002133 254.2550 146.7079 14.40666068275309
INTERCOSMOS 25
1 21819U 91086A 15309.84041913 +.00001360 +00000-0 +26924-3 0 9999
2 21819 082.5619 057.2578 1526648 260.3606 082.2345 12.03839207041322
SL-14 R/B
1 21820U 91086B 15309.88777121 +.00000399 +00000-0 +72329-4 0 9994
2 21820 082.5572 106.0462 1579192 065.7516 310.0210 11.93038489036504
SL-8 R/B
1 21876U 92008B 15309.86901668 +.00000030 +00000-0 +15804-4 0 9990
2 21876 082.9289 195.1808 0033555 238.5448 170.2125 13.75570884190131
SL-8 R/B
1 21938U 92020B 15309.89614692 +.00000103 +00000-0 +91540-4 0 9996
2 21938 082.9299 077.9550 0029891 038.5655 075.7829 13.75230525181997
SL-16 R/B
1 22220U 92076B 15309.91085553 -.00000241 00000-0 -97430-4 0 9992
2 22220 71.0010 219.6056 0010470 90.7837 337.1178 14.16380799187334
SL-16 R/B
1 22285U 92093B 15310.50702680 -.00000152 00000-0 -53888-4 0 9996
2 22285 71.0226 7.1677 0006337 291.9375 68.1073 14.14977816179260
COSMOS 2228
1 22286U 92094A 15310.37556034 .00000845 00000-0 91045-4 0 9997
2 22286 82.5237 209.0769 0019201 276.8269 83.0763 14.87181621234965
SL-16 R/B
1 22566U 93016B 15310.16901054 .00000157 00000-0 10606-3 0 9995
2 22566 71.0078 223.2699 0012046 302.7558 57.2403 14.14910041167956
COSMOS 2242
1 22626U 93024A 15310.19429857 .00000890 00000-0 96030-4 0 9990
2 22626 82.5238 236.9052 0017591 276.6961 83.2254 14.87195835218595
SL-16 R/B
1 22803U 93059B 15310.23744666 .00000114 00000-0 81074-4 0 9999
2 22803 70.9919 50.4478 0018263 209.5142 150.4952 14.16726211144863
ARIANE 40 R/B
1 22830U 93061H 15309.94639624 +.00000073 +00000-0 +45044-4 0 9996
2 22830 098.8759 300.8418 0010379 203.6775 208.8854 14.31377941153696
COSMOS 2278
1 23087U 94023A 15309.96344596 +.00000135 +00000-0 +96246-4 0 9992
2 23087 071.0530 150.4278 0008158 020.1711 081.1537 14.13699811110975`;
var map = new Map({
basemap: "arcgis-imagery"
});
var view = new SceneView({
container: "viewDiv",
map: map,
constraints: {
altitude: {
max: 12000000000 // meters
}
},
// force the popup to the docked position
// for each selected feature
popup: {
dockEnabled: true,
dockOptions: {
breakpoint: false
}
}
});
view.popup.watch("selectedFeature", function () {
satelliteTracks.removeAll();
});
view.popup.on("trigger-action", function (event) {
if (event.action.id === "track") {
var graphic = view.popup.selectedFeature;
var trackFeatures = [];
for (var i = 0; i < 60 * 24; i++) {
var loc = null;
try {
loc = getSatelliteLocation(
new Date(graphic.attributes.time + i * 1000 * 60),
graphic.attributes.line1,
graphic.attributes.line2
);
} catch (error) {}
if (loc !== null) {
trackFeatures.push([loc.x, loc.y, loc.z]);
}
}
var track = new Graphic({
geometry: {
type: "polyline", // autocasts as new Polyline()
paths: [trackFeatures]
},
symbol: {
type: "line-3d", // autocasts as new LineSymbol3D()
symbolLayers: [
{
type: "line", // autocasts as new LineSymbol3DLayer()
material: {
color: [192, 192, 192, 0.5]
},
size: 3
}
]
}
});
satelliteTracks.add(track);
}
});
var satelliteLayer = new GraphicsLayer();
var satelliteTracks = new GraphicsLayer();
map.addMany([satelliteLayer, satelliteTracks]);
// Parse the satellite TLE data
var lines = data.split("\n");
var count = (lines.length / 3).toFixed(0);
for (var i = 0; i < count; i++) {
var commonName = lines[i * 3 + 0];
var line1 = lines[i * 3 + 1];
var line2 = lines[i * 3 + 2];
var time = Date.now();
/*************************************************
* Create attributes for the International
* designator and Norad identifier. See the
* doc for details.
* https://www.space-track.org/documentation#/tle
*************************************************/
var designator = line1.substring(9, 16);
var launchYear = designator.substring(0, 2);
launchYear = Number(launchYear) >= 57 ? "19" + launchYear : "20" + launchYear;
var launchNum = Number(designator.substring(2, 5)).toString();
var noradId = Number(line1.substring(3, 7));
var satelliteLoc = null;
try {
satelliteLoc = getSatelliteLocation(new Date(time), line1, line2);
} catch (error) {}
if (satelliteLoc !== null) {
var template = {
// autocasts as new PopupTemplate()
title: "{name}",
content: "Launch number {number} of {year}",
actions: [
{
// Create a popup action to display the satellite track.
title: "Show Satellite Track",
id: "track",
className: "esri-icon-globe"
}
]
};
var graphic = new Graphic({
geometry: satelliteLoc,
symbol: {
type: "picture-marker", // autocasts as new PictureMarkerSymbol()
url:
"https://gitcdn.link/repo/Kimeiga/f1c3864bb833e3042b9be034a31b1225/raw/31a4860955126f779cce3d7e2bf77c7c4ca7307f/flier.svg",
width: 20,
height: 20
},
attributes: {
name: commonName,
year: launchYear,
id: noradId,
number: launchNum,
time: time,
line1: line1,
line2: line2
},
popupTemplate: template
});
satelliteLayer.add(graphic);
}
}
function getSatelliteLocation(date, line1, line2) {
/****************************************************
* satellite-js is a library that includes a set of
* functions to convert TLE to geographic locations
* We use this to get the geographic location of the
* satellites for the current date. For more details
* on satellite-js visib the github repo
* https://github.com/shashwatak/satellite-js
****************************************************/
var satrec = satellite.twoline2satrec(line1, line2);
var position_and_velocity = satellite.propagate(
satrec,
date.getUTCFullYear(),
date.getUTCMonth() + 1,
date.getUTCDate(),
date.getUTCHours(),
date.getUTCMinutes(),
date.getUTCSeconds()
);
var position_eci = position_and_velocity.position;
var gmst = satellite.gstime_from_date(
date.getUTCFullYear(),
date.getUTCMonth() + 1,
date.getUTCDate(),
date.getUTCHours(),
date.getUTCMinutes(),
date.getUTCSeconds()
);
var position_gd = satellite.eci_to_geodetic(position_eci, gmst);
var longitude = position_gd.longitude;
var latitude = position_gd.latitude;
var height = position_gd.height;
if (isNaN(longitude) || isNaN(latitude) || isNaN(height)) {
return null;
}
var rad2deg = 180 / Math.PI;
while (longitude < -Math.PI) {
longitude += 2 * Math.PI;
}
while (longitude > Math.PI) {
longitude -= 2 * Math.PI;
}
return {
type: "point", // Autocasts as new Point()
x: rad2deg * longitude,
y: rad2deg * latitude,
z: height * 1000
};
}
});
Raw
style.css
html,
body,
#viewDiv {
padding: 0;
margin: 0;
height: 100%;
width: 100%;
}
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