mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-04-22 02:48:25 -05:00
Fixing satellite asset
This commit is contained in:
Alexander Bock
@@ -31,7 +31,7 @@ function buildSyncedUrlList(satGroups)
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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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Url = urlList
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}
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end
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@@ -44,184 +44,190 @@ local satImageFolder = asset.syncedResource({
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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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function trimString(s)
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s = s:gsub("^%s*(.-)%s*$", "%1")
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s = s:gsub("%s+", "_")
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s = s:gsub("[%-()]", "")
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return s
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end
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function getPeriodFromFile(line2)
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return tonumber(string.sub(line2, 53, 63))
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end
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function getNumLinesInFile(filename)
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local ctr = 0
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for _ in io.lines(filename) do
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ctr = ctr + 1
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asset.onInitialize(function ()
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function trimString(s)
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s = s:gsub("^%s*(.-)%s*$", "%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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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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function getPeriodFromFile(line2)
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return tonumber(string.sub(line2, 53, 63))
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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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assetHelper.registerSceneGraphNodesAndExport(asset, {sat_var})
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satTrail_var = getSatTrail(satName, sOrbit.path, n, per, sOrbit.trailColor)
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assetHelper.registerSceneGraphNodesAndExport(asset, {satTrail_var})
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else
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fileErr = " TLE file syntax error on line " .. n .. ": " .. sOrbit.path
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break
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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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else
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fileErr = " File not found: " .. sOrbit.path
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break
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return ctr
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end
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assert(fileErr == "", fileErr)
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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)
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-- assetHelper.registerSceneGraphNodesAndExport(thisAsset, {satTrail_var})
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else
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fileErr = " TLE file syntax error on line " .. n .. ": " .. sOrbit.path
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break
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end
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end
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else
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fileErr = " File not found: " .. sOrbit.path
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break
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end
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assert(fileErr == "", fileErr)
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end
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end)
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@@ -65,22 +65,22 @@ local registerSceneGraphNodesAndExport = function (sceneAsset, nodes, override)
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end)
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for i, node in ipairs(nodes) do
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asset.export(node.Name, node)
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sceneAsset.export(node.Name, node)
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end
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end
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local requireAll = function (asset, directory)
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local requireAll = function (sceneAsset, directory)
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function string.ends(String,End)
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return End=='' or string.sub(String,-string.len(End))==End
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end
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local result = {}
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local files = openspace.walkDirectoryFiles(asset.localResource('') .. directory, true)
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local files = openspace.walkDirectoryFiles(sceneAsset.localResource('') .. directory, true)
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for _, file in pairs(files) do
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if file:ends('.asset') then
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openspace.printDebug("Requiring: " .. file:sub(file:find(directory), -7))
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local exports = asset.require(file:sub(1, -7))
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local exports = sceneAsset.require(file:sub(1, -7))
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table.insert(result, exports)
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end
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end
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@@ -88,16 +88,16 @@ local requireAll = function (asset, directory)
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return result
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end
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local requestAll = function (asset, directory)
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local requestAll = function (sceneAsset, directory)
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function string.ends(String,End)
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return End=='' or string.sub(String,-string.len(End))==End
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end
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local files = openspace.walkDirectoryFiles(asset.localResource('') .. directory, true)
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local files = openspace.walkDirectoryFiles(sceneAsset.localResource('') .. directory, true)
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for _, file in pairs(files) do
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if file:ends('.asset') then
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openspace.printDebug("Requesting: " .. file:sub(file:find(directory), -7))
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asset.request(file:sub(file:find(directory), -7))
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sceneAsset.request(file:sub(file:find(directory), -7))
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end
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end
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end
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Reference in New Issue
Block a user