mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-05-06 19:39:56 -05:00
Simplification of the satellite asset
Add more satellites
This commit is contained in:
Alexander Bock
@@ -1,233 +1,404 @@
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local assetHelper = asset.require('util/asset_helper')
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local transforms = asset.require('scene/solarsystem/planets/earth/transforms')
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--Name, URL, and color scheme for each satellite group
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-- Name, URL, and color scheme for each satellite group
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local satelliteGroups = {
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{ title = "GPS",
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url = "http://celestrak.com/NORAD/elements/gps-ops.txt",
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trailColor = {0.9, 0.5, 0.0}
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{
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Title = "GPS",
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Url = "http://celestrak.com/NORAD/elements/gps-ops.txt",
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TrailColor = { 0.9, 0.5, 0.0 }
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},
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{ title = "SpaceStations",
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url = "http://celestrak.com/NORAD/elements/stations.txt",
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trailColor = {0.9, 0.0, 0.0}
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{
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Title = "SpaceStations",
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Url = "http://celestrak.com/NORAD/elements/stations.txt",
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TrailColor = { 0.9, 0.0, 0.0 }
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},
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{ title = "Geostationary",
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url = "http://celestrak.com/NORAD/elements/geo.txt",
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trailColor = {0.9, 0.9, 0.0}
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{
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Title = "Geostationary",
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Url = "http://celestrak.com/NORAD/elements/geo.txt",
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TrailColor = { 0.9, 0.9, 0.0 }
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},
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{
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Title = "Last 30 Days",
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Url = "http://www.celestrak.com/NORAD/elements/tle-new.txt",
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TrailColor = { 0.65, 0.25, 0.45 }
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},
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{
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Title = "100 Brightest",
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Url = "http://www.celestrak.com/NORAD/elements/visual.txt",
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TrailColor = { 0.55, 0.25, 0.65 }
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},
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{
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Title = "Fengyun Debris",
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Url = "http://www.celestrak.com/NORAD/elements/1999-025.txt",
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TrailColor = { 0.25, 0.35, 0.45 }
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},
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{
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Title = "Iridium 33 Debris",
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Url = "http://www.celestrak.com/NORAD/elements/iridium-33-debris.txt",
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TrailColor = { 0.25, 0.35, 0.45 }
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},
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{
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Title = "Kosmos 2251 Debris",
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Url = "http://www.celestrak.com/NORAD/elements/cosmos-2251-debris.txt",
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TrailColor = { 0.25, 0.35, 0.45 }
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},
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{
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Title = "Breeze-M Breakup",
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Url = "http://www.celestrak.com/NORAD/elements/2012-044.txt",
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TrailColor = { 0.25, 0.35, 0.45 }
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},
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{
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Title = "Weather",
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Url = "http://www.celestrak.com/NORAD/elements/weather.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "NOAA",
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Url = "http://www.celestrak.com/NORAD/elements/noaa.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "GOES",
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Url = "http://www.celestrak.com/NORAD/elements/goes.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Earth Resources",
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Url = "http://www.celestrak.com/NORAD/elements/resource.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Search & Rescue (SARSAT)",
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Url = "http://www.celestrak.com/NORAD/elements/sarsat.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Disaster Monitoring",
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Url = "http://www.celestrak.com/NORAD/elements/dmc.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Tracking and Data Relay Satellite System (TDRSS)",
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Url = "http://www.celestrak.com/NORAD/elements/tdrss.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "ARGOS",
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Url = "http://www.celestrak.com/NORAD/elements/argos.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Planet",
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Url = "http://www.celestrak.com/NORAD/elements/planet.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Spire",
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Url = "http://www.celestrak.com/NORAD/elements/spire.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Intelsat",
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Url = "http://www.celestrak.com/NORAD/elements/intelsat.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "SES",
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Url = "http://www.celestrak.com/NORAD/elements/ses.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Iridium",
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Url = "http://www.celestrak.com/NORAD/elements/iridium.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Iridium NEXT",
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Url = "http://www.celestrak.com/NORAD/elements/iridium-NEXT.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Orbcomm",
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Url = "http://www.celestrak.com/NORAD/elements/orbcomm.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "GlobalStar",
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Url = "http://www.celestrak.com/NORAD/elements/globalstar.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Amateur Radio",
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Url = "http://www.celestrak.com/NORAD/elements/amateur.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Experimental",
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Url = "http://www.celestrak.com/NORAD/elements/x-comm.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Other comm",
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Url = "http://www.celestrak.com/NORAD/elements/other-comm.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Gorizont",
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Url = "http://www.celestrak.com/NORAD/elements/gorizont.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Raduga",
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Url = "http://www.celestrak.com/NORAD/elements/raduga.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Molniya",
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Url = "http://www.celestrak.com/NORAD/elements/molniya.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Glosnass",
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Url = "http://www.celestrak.com/NORAD/elements/glo-ops.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Galileo",
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Url = "http://www.celestrak.com/NORAD/elements/galileo.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Beidou",
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Url = "http://www.celestrak.com/NORAD/elements/beidou.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Satellite Based Augmentation System",
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Url = "http://www.celestrak.com/NORAD/elements/sbas.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Navy Navigation Satellite System",
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Url = "http://www.celestrak.com/NORAD/elements/nnss.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Russian LEO Navigation",
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Url = "http://www.celestrak.com/NORAD/elements/musson.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Space & Earth Science",
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Url = "http://www.celestrak.com/NORAD/elements/science.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Geodect",
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Url = "http://www.celestrak.com/NORAD/elements/geodetic.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Engineering",
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Url = "http://www.celestrak.com/NORAD/elements/engineering.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Military",
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Url = "http://www.celestrak.com/NORAD/elements/military.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Radar Calibration",
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Url = "http://www.celestrak.com/NORAD/elements/radar.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "CubeSat",
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Url = "http://www.celestrak.com/NORAD/elements/cubesat.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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},
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{
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Title = "Other",
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Url = "http://www.celestrak.com/NORAD/elements/other.txt",
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TrailColor = { 0.75, 0.75, 0.35 }
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}
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}
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function values(t)
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local i = 0
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return function () i = i + 1; return t[i] end
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end
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function buildSyncedUrlList(satGroups)
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urlList = {}
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for sat in values(satGroups) do
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table.insert(urlList, sat.url)
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end
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return {
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Name = "Satellite TLE Data",
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Type = "UrlSynchronization",
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Identifier = "satellite_tle_data",
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Url = urlList
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}
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end
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--Define the synced resources for satellite image and TLE files
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-- Define the synced resources for satellite image and TLE files
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local satImageFolder = asset.syncedResource({
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Name = "Satellite Image Files",
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Type = "HttpSynchronization",
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Identifier = "tle_satellites_images",
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Version = 1
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})
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local satDataPath = asset.syncedResource(buildSyncedUrlList(satelliteGroups))
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local thisAsset = asset
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local satDataPath = asset.syncedResource({
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Name = "Satellite TLE Data",
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Type = "UrlSynchronization",
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Identifier = "satellite_tle_data",
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Url = (function ()
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urlList = {}
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for _, sat in ipairs(satelliteGroups) do
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table.insert(urlList, sat.Url)
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end
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return urlList
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end)()
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})
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-- We need to store all of the names of added scene graph nodes so that we can remove them
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-- when this asset gets unloaded
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local objectNames = {}
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asset.onInitialize(function ()
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function trimString(s)
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s = s:gsub("^%s*(.-)%s*$", "%1")
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s = s:gsub("%s+", "_")
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s = s:gsub("[%-()]", "")
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return s
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end
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function getPeriodFromFile(line2)
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return tonumber(string.sub(line2, 53, 63))
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end
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function getNumLinesInFile(filename)
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local ctr = 0
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for _ in io.lines(filename) do
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ctr = ctr + 1
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end
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return ctr
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end
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function isEmpty(s)
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return s == nil or s == ''
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end
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--Check format of a set of 3 TLE file lines and return nonzero if there is a format error
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function checkTleFileFormat(lineArr)
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if isEmpty(lineArr[1]) or isEmpty(lineArr[2]) or isEmpty(lineArr[3]) then
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return -1
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end
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if string.sub(lineArr[2], 1, 2) ~= "1 " then
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return -1
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end
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if string.sub(lineArr[3], 1, 2) ~= "2 " then
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return -1
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end
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return 0
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end
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function getSat(title, file, lineNum, textureFile)
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return {
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Name = title,
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Parent = transforms.EarthInertial.Name,
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Renderable = {
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Type = "RenderablePlaneImageLocal",
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Size = 3e4,
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Origin = "Center",
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Body = "TLE",
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Billboard = true,
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Texture = textureFile
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},
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Transform = {
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Translation = {
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Type = "TLETranslation",
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Body = title,
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Observer = transforms.EarthInertial.Name,
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File = file,
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LineNum = lineNum
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},
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Scale = {
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Type = "StaticScale",
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Scale = 1,
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}
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},
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GuiPath = "/Solar System/Planets/Earth/Satellites"
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}
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end
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function getSatTrail(title, file, lineNum, per, color)
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trailName = title .. "_trail"
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return {
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Name = trailName,
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Parent = transforms.EarthInertial.Name,
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Renderable = {
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Type = "RenderableTrailOrbit",
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Translation = {
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Type = "TLETranslation",
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Body = title,
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Observer = transforms.EarthInertial.Name,
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File = file,
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LineNum = lineNum
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},
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Color = color,
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Period = per,
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Resolution = 160
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},
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GuiPath = "/Solar System/Planets/Earth/Satellites"
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}
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end
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function printSatElements_debug(satElem)
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print(">SATELLITE")
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print(" " .. satElem.Name)
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print(" " .. satElem.Parent)
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print(" (Renderable)")
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print(" " .. satElem.Renderable.Type)
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print(" " .. satElem.Renderable.Size)
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print(" " .. satElem.Renderable.Origin)
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print(" " .. satElem.Renderable.Body)
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if satElem.Renderable.Billboard then
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print(" Billboard = true")
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end
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print(" " .. satElem.Renderable.Texture)
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print(" (Transform.Translation)")
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print(" " .. satElem.Transform.Translation.Type)
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print(" " .. satElem.Transform.Translation.Body)
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print(" " .. satElem.Transform.Translation.Observer)
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print(" " .. satElem.Transform.Translation.File)
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print(" " .. satElem.Transform.Translation.LineNum)
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print(" (Transform.Scale)")
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print(" " .. satElem.Transform.Scale.Type)
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print(" " .. satElem.Transform.Scale.Scale)
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print(" (GuiPath)")
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print(" " .. satElem.GuiPath)
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end
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function printSatTrailElements_debug(satElem)
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print(">SAT_TRAIL")
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print(" " .. satElem.Name)
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print(" " .. satElem.Parent)
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print(" (Renderable)")
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print(" " .. satElem.Renderable.Type)
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print(" " .. satElem.Renderable.Translation.Type)
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print(" " .. satElem.Renderable.Translation.Body)
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print(" " .. satElem.Renderable.Translation.Observer)
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print(" " .. satElem.Renderable.Translation.File)
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print(" " .. satElem.Renderable.Translation.LineNum)
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print(" ((Misc))")
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print(" (color)")
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print(" " .. satElem.Renderable.Color[1] .. ","
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.. satElem.Renderable.Color[2] .. ","
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.. satElem.Renderable.Color[3])
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print(" " .. satElem.Renderable.Period)
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print(" " .. satElem.Renderable.Resolution)
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print(" (GuiPath)")
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print(" " .. satElem.GuiPath)
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end
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-------------------------------------------------------------
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for sOrbit in values(satelliteGroups) do
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fileErr = ""
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filename = sOrbit.url:match("([^/]+)$")
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filenameSansExt = filename:gsub(filename:match "(%.%w+)$", "")
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sOrbit.path = satDataPath .. "/" .. filename
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sOrbit.texturePath = satImageFolder .. "/" .. "satB.png"
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local sat_var
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local satTrail_var
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line = {}
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myfile = io.open(sOrbit.path, "r")
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lines = getNumLinesInFile(sOrbit.path)
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--now loop through the tle file and get each set of 3 lines
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if myfile then
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for n=1,lines,3 do
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line[1] = myfile:read('*l') --title line
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line[2] = myfile:read('*l')
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line[3] = myfile:read('*l')
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if( checkTleFileFormat(line) == 0 ) then
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title = trimString(line[1])
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per = getPeriodFromFile(line[3])
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per = 1.0 / per * 2 --trail for 2x a single revolution
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satName = filenameSansExt .. "_" .. title
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--register satellite object and trail
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sat_var = getSat(satName, sOrbit.path, n, sOrbit.texturePath)
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||||
openspace.addSceneGraphNode(sat_var)
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-- assetHelper.registerSceneGraphNodesAndExport(thisAsset, {sat_var})
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satTrail_var = getSatTrail(satName, sOrbit.path, n, per, sOrbit.trailColor)
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openspace.addSceneGraphNode(satTrail_var)
|
||||
-- assetHelper.registerSceneGraphNodesAndExport(thisAsset, {satTrail_var})
|
||||
else
|
||||
fileErr = " TLE file syntax error on line " .. n .. ": " .. sOrbit.path
|
||||
break
|
||||
local addSatelliteGroup = function(group)
|
||||
function contains(table, element)
|
||||
for i = 1, #table do
|
||||
if table[i] == element then
|
||||
return true
|
||||
end
|
||||
end
|
||||
return false
|
||||
end
|
||||
|
||||
function numLinesInFile(filename)
|
||||
local ctr = 0
|
||||
for _ in io.lines(filename) do ctr = ctr + 1 end
|
||||
return ctr
|
||||
end
|
||||
|
||||
-- Check format of a set of 3 TLE file lines and return nonzero if there is a format error
|
||||
function isValidTLEFileFormat(lineArr)
|
||||
function isEmpty(s) return s == nil or s == '' end
|
||||
|
||||
if isEmpty(lineArr[1]) or isEmpty(lineArr[2]) or isEmpty(lineArr[3]) then
|
||||
return false
|
||||
end
|
||||
if string.sub(lineArr[2], 1, 2) ~= "1 " then
|
||||
return false
|
||||
end
|
||||
if string.sub(lineArr[3], 1, 2) ~= "2 " then
|
||||
return false
|
||||
end
|
||||
return true
|
||||
end
|
||||
|
||||
function getSat(title, file, lineNum, textureFile, group)
|
||||
return {
|
||||
Name = title,
|
||||
Parent = transforms.EarthInertial.Name,
|
||||
Renderable = {
|
||||
Type = "RenderablePlaneImageLocal",
|
||||
Enabled = false,
|
||||
Size = 3e4,
|
||||
Origin = "Center",
|
||||
Body = "TLE",
|
||||
Billboard = true,
|
||||
Texture = textureFile
|
||||
},
|
||||
Transform = {
|
||||
Translation = {
|
||||
Type = "TLETranslation",
|
||||
Body = title,
|
||||
Observer = transforms.EarthInertial.Name,
|
||||
File = file,
|
||||
LineNumber = lineNum
|
||||
},
|
||||
Scale = {
|
||||
Type = "StaticScale",
|
||||
Scale = 1
|
||||
}
|
||||
},
|
||||
Tag = { "earth_satellite_" .. group, "earth_satellite_" .. group .. "_marker" },
|
||||
GuiPath = "/Solar System/Planets/Earth/Satellites"
|
||||
}
|
||||
end
|
||||
|
||||
function getSatTrail(title, file, lineNum, per, color, group)
|
||||
return {
|
||||
Name = title .. "_trail",
|
||||
Parent = transforms.EarthInertial.Name,
|
||||
Renderable = {
|
||||
Type = "RenderableTrailOrbit",
|
||||
Translation = {
|
||||
Type = "TLETranslation",
|
||||
Body = title,
|
||||
Observer = transforms.EarthInertial.Name,
|
||||
File = file,
|
||||
LineNumber = lineNum
|
||||
},
|
||||
Color = color,
|
||||
Period = per,
|
||||
Resolution = 160
|
||||
},
|
||||
Tag = { "earth_satellite_" .. group, "earth_satellite_" .. group .. "_trail"},
|
||||
GuiPath = "/Solar System/Planets/Earth/Satellites"
|
||||
}
|
||||
end
|
||||
|
||||
|
||||
local filename = group.Url:match("([^/]+)$")
|
||||
local filenameSansExt = filename:gsub(filename:match("(%.%w+)$"), "")
|
||||
|
||||
local path = satDataPath .. "/" .. filename
|
||||
local texture = satImageFolder .. "/" .. "satB.png"
|
||||
|
||||
|
||||
myfile = io.open(path, "r")
|
||||
assert(myfile, "File not found: " .. path)
|
||||
|
||||
--now loop through the tle file and get each set of 3 lines
|
||||
for n = 1, numLinesInFile(path), 3 do
|
||||
local line = {
|
||||
myfile:read('*l'), --title line
|
||||
myfile:read('*l'),
|
||||
myfile:read('*l')
|
||||
}
|
||||
assert(isValidTLEFileFormat(line), "TLE file syntax error on line " .. n .. ": " .. path)
|
||||
|
||||
-- Trim string
|
||||
line[1] = line[1]:gsub("^%s*(.-)%s*$", "%1")
|
||||
line[1] = line[1]:gsub("%s+", "_")
|
||||
line[1] = line[1]:gsub("[%-()]", "")
|
||||
local title = line[1]
|
||||
|
||||
-- Get period from correct location of the string
|
||||
local per = tonumber(string.sub(line[3], 53, 63))
|
||||
-- Trail for 2x a single revolution
|
||||
per = 1.0 / per * 2.0
|
||||
|
||||
local satName = filenameSansExt .. "_" .. title
|
||||
|
||||
if contains(objectNames, satName) then
|
||||
local originalSatName = satName
|
||||
local i = 1
|
||||
while contains(objectNames, satName) do
|
||||
satName = originalSatName .. "_" .. tostring(i)
|
||||
i = i + 1
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
-- Register satellite object and trail
|
||||
local sat_var = getSat(satName, path, n, texture, group.Title)
|
||||
table.insert(objectNames, sat_var.Name)
|
||||
openspace.addSceneGraphNode(sat_var)
|
||||
|
||||
local satTrail_var = getSatTrail(satName, path, n, per, group.TrailColor, group.Title)
|
||||
table.insert(objectNames, satTrail_var.Name)
|
||||
openspace.addSceneGraphNode(satTrail_var)
|
||||
|
||||
end
|
||||
end
|
||||
else
|
||||
fileErr = " File not found: " .. sOrbit.path
|
||||
break
|
||||
end
|
||||
assert(fileErr == "", fileErr)
|
||||
end
|
||||
|
||||
|
||||
for _, group in ipairs(satelliteGroups) do
|
||||
addSatelliteGroup(group)
|
||||
end
|
||||
end)
|
||||
|
||||
asset.onDeinitialize(function ()
|
||||
for _, n in ipairs(objectNames) do
|
||||
openspace.removeSceneGraphNode(n)
|
||||
end
|
||||
end)
|
||||
|
||||
@@ -28,15 +28,14 @@
|
||||
#include <ghoul/filesystem/file.h>
|
||||
#include <ghoul/filesystem/filesystem.h>
|
||||
#include <ghoul/misc/assert.h>
|
||||
|
||||
#include <chrono>
|
||||
#include <fstream>
|
||||
#include <vector>
|
||||
#include <system_error>
|
||||
#include <vector>
|
||||
|
||||
namespace {
|
||||
const char* KeyFile = "File";
|
||||
const char* KeyLineNum = "LineNum";
|
||||
constexpr const char* KeyFile = "File";
|
||||
constexpr const char* KeyLineNumber = "LineNumber";
|
||||
|
||||
// The list of leap years only goes until 2056 as we need to touch this file then
|
||||
// again anyway ;)
|
||||
@@ -249,7 +248,7 @@ documentation::Documentation TLETranslation::Documentation() {
|
||||
"Specifies the filename of the Two-Line-Element file"
|
||||
},
|
||||
{
|
||||
KeyLineNum,
|
||||
KeyLineNumber,
|
||||
new DoubleGreaterVerifier(0),
|
||||
Optional::No,
|
||||
"Specifies the line number within the file where the group of 3 TLE "
|
||||
@@ -269,7 +268,7 @@ TLETranslation::TLETranslation(const ghoul::Dictionary& dictionary)
|
||||
);
|
||||
|
||||
std::string file = dictionary.value<std::string>(KeyFile);
|
||||
int lineNum = static_cast<int>(dictionary.value<double>(KeyLineNum));
|
||||
int lineNum = static_cast<int>(dictionary.value<double>(KeyLineNumber));
|
||||
readTLEFile(file, lineNum);
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user