From a41c5dbb822a98dc9bd711963fd3fe22d165605a Mon Sep 17 00:00:00 2001 From: Elon Date: Fri, 29 Mar 2019 17:17:41 -0600 Subject: [PATCH] loop debris elements --- .../earth/satellites/satellites_shared.asset | 164 +-- modules/space/rendering/elonstest.cpp | 438 +++++- modules/space/rendering/elonstest.h | 15 +- .../space/rendering/renderablesatellites.cpp | 1288 ++++++++--------- modules/space/spacemodule.cpp | 5 +- modules/space/translation/keplertranslation.h | 12 +- 6 files changed, 1183 insertions(+), 739 deletions(-) diff --git a/data/assets/scene/solarsystem/planets/earth/satellites/satellites_shared.asset b/data/assets/scene/solarsystem/planets/earth/satellites/satellites_shared.asset index d3eefe0ea7..b5adee1e54 100644 --- a/data/assets/scene/solarsystem/planets/earth/satellites/satellites_shared.asset +++ b/data/assets/scene/solarsystem/planets/earth/satellites/satellites_shared.asset @@ -43,72 +43,20 @@ local addSatelliteGroupObjects = function(group, tleFolder, shouldAddDuplicates) return true end -- ------------------------------------------------------------------------------------- - function getSat(title, file, lineNum, textureFile, group) - return { - Identifier = title, - Parent = transforms.EarthInertial.Identifier, - Renderable = { - Type = "RenderablePlaneImageLocal", - Enabled = true, - Size = 3e4, - Origin = "Center", - Body = "TLE", - Billboard = true, - Texture = textureFile - }, - Transform = { - Translation = { - Type = "TLETranslation", - Body = title, - Observer = transforms.EarthInertial.Identifier, - File = file, - LineNumber = lineNum - }, - Scale = { - Type = "StaticScale", - Scale = 1 - } - }, - Tag = { "earth_satellite_" .. group, "earth_satellite_" .. group .. "_marker" }, - GUI = { - Path = "/Solar System/Planets/Earth/Satellites" - } - } - end - - function getSatTrail(title, file, lineNum, per, color, group) - return { - Identifier = title .. "_trail", - Parent = transforms.EarthInertial.Identifier, - Renderable = { - Type = "RenderableTrailOrbit", - Translation = { - Type = "TLETranslation", - Body = title, - Observer = transforms.EarthInertial.Identifier, - File = file, - LineNumber = lineNum - }, - Color = color, - Period = per, - Resolution = 160 - }, - Tag = { "earth_satellite_" .. group, "earth_satellite_" .. group .. "_trail"}, - GUI = { - Path = "/Solar System/Planets/Earth/Satellites" - } - } - end --- ------------------------------------------------------------------------------------- --- function test(title, file, lineNum, per, color, group) --- return { --- Identifier = title, --- Parent = transforms.EarthInertial.Identifier, --- Renderable = { --- Type = "RenderableSatellites", --- Color = color, --- Period = per, --- Resolution = 160, +-- function getSat(title, file, lineNum, textureFile, group) +-- return { +-- Identifier = title, +-- Parent = transforms.EarthInertial.Identifier, +-- Renderable = { +-- Type = "RenderablePlaneImageLocal", +-- Enabled = true, +-- Size = 3e4, +-- Origin = "Center", +-- Body = "TLE", +-- Billboard = true, +-- Texture = textureFile +-- }, +-- Transform = { -- Translation = { -- Type = "TLETranslation", -- Body = title, @@ -116,19 +64,71 @@ local addSatelliteGroupObjects = function(group, tleFolder, shouldAddDuplicates) -- File = file, -- LineNumber = lineNum -- }, +-- Scale = { +-- Type = "StaticScale", +-- Scale = 1 +-- } +-- }, +-- Tag = { "earth_satellite_" .. group, "earth_satellite_" .. group .. "_marker" }, +-- GUI = { +-- Path = "/Solar System/Planets/Earth/Satellites" +-- } +-- } +-- end -- +-- function getSatTrail(title, file, lineNum, per, color, group) +-- return { +-- Identifier = title .. "_trail", +-- Parent = transforms.EarthInertial.Identifier, +-- Renderable = { +-- Type = "RenderableTrailOrbit", +-- Translation = { +-- Type = "TLETranslation", +-- Body = title, +-- Observer = transforms.EarthInertial.Identifier, +-- File = file, +-- LineNumber = lineNum +-- }, +-- Color = color, +-- Period = per, +-- Resolution = 160 +-- }, +-- Tag = { "earth_satellite_" .. group, "earth_satellite_" .. group .. "_trail"}, +-- GUI = { +-- Path = "/Solar System/Planets/Earth/Satellites" +-- } +-- } +-- end +-- ------------------------------------------------------------------------------------- + function test(title, file, lineNum, per, color, group) + return { + Identifier = title, + Parent = transforms.EarthInertial.Identifier, + Renderable = { + Type = "ElonsTest", + Color = color, + Period = per, + Resolution = 160, + Translation = { + Type = "TLETranslation", + Body = title, + Observer = transforms.EarthInertial.Identifier, + File = file, + LineNumber = lineNum + }, + -- Size = 3e4, -- Origin = "Center", -- Body = "TLE", -- Billboard = true, -- Texture = textureFile --- --- }, --- GUI = { --- Path = "/Solar System/Planets/Earth/Satellites" --- } --- } --- end + + }, + GUI = { + Path = "/Solar System/Planets/Earth/Satellites" + } + } + end -- ------------------------------------------------------------------------------------- local filename = group.Url:match("([^/]+)$") @@ -181,17 +181,17 @@ local addSatelliteGroupObjects = function(group, tleFolder, shouldAddDuplicates) if shouldAddNotes then -- Register satellite object and trail --- local test_var = test(satName, path, n, per, group.TrailColor, group.Title) --- openspace.addSceneGraphNode(test_var) --- table.insert(obj, test_var.Identifier) + local test_var = test(satName, path, n, per, group.TrailColor, group.Title) + openspace.addSceneGraphNode(test_var) + table.insert(obj, test_var.Identifier) - local sat_var = getSat(satName, path, n, texture, group.Title) - openspace.addSceneGraphNode(sat_var) - table.insert(obj, sat_var.Identifier) +-- local sat_var = getSat(satName, path, n, texture, group.Title) +-- openspace.addSceneGraphNode(sat_var) +-- table.insert(obj, sat_var.Identifier) - local satTrail_var = getSatTrail(satName, path, n, per, group.TrailColor, group.Title) - openspace.addSceneGraphNode(satTrail_var) - table.insert(obj, satTrail_var.Identifier) +-- local satTrail_var = getSatTrail(satName, path, n, per, group.TrailColor, group.Title) +-- openspace.addSceneGraphNode(satTrail_var) +-- table.insert(obj, satTrail_var.Identifier) end end diff --git a/modules/space/rendering/elonstest.cpp b/modules/space/rendering/elonstest.cpp index 9f82a73fe6..d30986ece5 100644 --- a/modules/space/rendering/elonstest.cpp +++ b/modules/space/rendering/elonstest.cpp @@ -23,15 +23,24 @@ ****************************************************************************************/ #include +#include #include #include +#include +#include +#include #include #include +#include +#include + namespace { constexpr const char* ProgramName = "ElonsTest"; + constexpr const char* _loggerCat = "SpaceDebris"; + static const openspace::properties::Property::PropertyInfo PathInfo = { "Path", @@ -92,10 +101,276 @@ namespace { "EpochColumn", "The header of the column where the epoch is stored" }; -} + + 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 ;) + const std::vector LeapYears = { + 1956, 1960, 1964, 1968, 1972, 1976, 1980, 1984, 1988, 1992, 1996, + 2000, 2004, 2008, 2012, 2016, 2020, 2024, 2028, 2032, 2036, 2040, + 2044, 2048, 2052, 2056 + }; + + // Count the number of full days since the beginning of 2000 to the beginning of + // the parameter 'year' + int countDays(int year) { + // Find the position of the current year in the vector, the difference + // between its position and the position of 2000 (for J2000) gives the + // number of leap years + constexpr const int Epoch = 2000; + constexpr const int DaysRegularYear = 365; + constexpr const int DaysLeapYear = 366; + + if (year == Epoch) { + return 0; + } + + // Get the position of the most recent leap year + const auto lb = std::lower_bound(LeapYears.begin(), LeapYears.end(), year); + + // Get the position of the epoch + const auto y2000 = std::find(LeapYears.begin(), LeapYears.end(), Epoch); + + // The distance between the two iterators gives us the number of leap years + const int nLeapYears = static_cast(std::abs(std::distance(y2000, lb))); + + const int nYears = std::abs(year - Epoch); + const int nRegularYears = nYears - nLeapYears; + + // Get the total number of days as the sum of leap years + non leap years + const int result = nRegularYears * DaysRegularYear + nLeapYears * DaysLeapYear; + return result; + } + + // Returns the number of leap seconds that lie between the {year, dayOfYear} + // time point and { 2000, 1 } + int countLeapSeconds(int year, int dayOfYear) { + // Find the position of the current year in the vector; its position in + // the vector gives the number of leap seconds + struct LeapSecond { + int year; + int dayOfYear; + bool operator<(const LeapSecond& rhs) const { + return std::tie(year, dayOfYear) < std::tie(rhs.year, rhs.dayOfYear); + } + }; + + const LeapSecond Epoch = { 2000, 1 }; + + // List taken from: https://www.ietf.org/timezones/data/leap-seconds.list + static const std::vector LeapSeconds = { + { 1972, 1 }, + { 1972, 183 }, + { 1973, 1 }, + { 1974, 1 }, + { 1975, 1 }, + { 1976, 1 }, + { 1977, 1 }, + { 1978, 1 }, + { 1979, 1 }, + { 1980, 1 }, + { 1981, 182 }, + { 1982, 182 }, + { 1983, 182 }, + { 1985, 182 }, + { 1988, 1 }, + { 1990, 1 }, + { 1991, 1 }, + { 1992, 183 }, + { 1993, 182 }, + { 1994, 182 }, + { 1996, 1 }, + { 1997, 182 }, + { 1999, 1 }, + { 2006, 1 }, + { 2009, 1 }, + { 2012, 183 }, + { 2015, 182 }, + { 2017, 1 } + }; + + // Get the position of the last leap second before the desired date + LeapSecond date { year, dayOfYear }; + const auto it = std::lower_bound(LeapSeconds.begin(), LeapSeconds.end(), date); + + // Get the position of the Epoch + const auto y2000 = std::lower_bound( + LeapSeconds.begin(), + LeapSeconds.end(), + Epoch + ); + + // The distance between the two iterators gives us the number of leap years + const int nLeapSeconds = static_cast(std::abs(std::distance(y2000, it))); + return nLeapSeconds; + } + + double epochFromSubstring(const std::string& epochString) { + // The epochString is in the form: + // YYDDD.DDDDDDDD + // With YY being the last two years of the launch epoch, the first DDD the day + // of the year and the remaning a fractional part of the day + + // The main overview of this function: + // 1. Reconstruct the full year from the YY part + // 2. Calculate the number of seconds since the beginning of the year + // 2.a Get the number of full days since the beginning of the year + // 2.b If the year is a leap year, modify the number of days + // 3. Convert the number of days to a number of seconds + // 4. Get the number of leap seconds since January 1st, 2000 and remove them + // 5. Adjust for the fact the epoch starts on 1st Januaray at 12:00:00, not + // midnight + + // According to https://celestrak.com/columns/v04n03/ + // Apparently, US Space Command sees no need to change the two-line element + // set format yet since no artificial earth satellites existed prior to 1957. + // By their reasoning, two-digit years from 57-99 correspond to 1957-1999 and + // those from 00-56 correspond to 2000-2056. We'll see each other again in 2057! + + // 1. Get the full year + std::string yearPrefix = [y = epochString.substr(0, 2)](){ + int year = std::atoi(y.c_str()); + return year >= 57 ? "19" : "20"; + }(); + const int year = std::atoi((yearPrefix + epochString.substr(0, 2)).c_str()); + const int daysSince2000 = countDays(year); + + // 2. + // 2.a + double daysInYear = std::atof(epochString.substr(2).c_str()); + + // 2.b + const bool isInLeapYear = std::find( + LeapYears.begin(), + LeapYears.end(), + year + ) != LeapYears.end(); + if (isInLeapYear && daysInYear >= 60) { + // We are in a leap year, so we have an effective day more if we are + // beyond the end of february (= 31+29 days) + --daysInYear; + } + + // 3 + using namespace std::chrono; + const int SecondsPerDay = static_cast(seconds(hours(24)).count()); + //Need to subtract 1 from daysInYear since it is not a zero-based count + const double nSecondsSince2000 = (daysSince2000 + daysInYear - 1) * SecondsPerDay; + + // 4 + // We need to remove additionbal leap seconds past 2000 and add them prior to + // 2000 to sync up the time zones + const double nLeapSecondsOffset = -countLeapSeconds( + year, + static_cast(std::floor(daysInYear)) + ); + + // 5 + const double nSecondsEpochOffset = static_cast( + seconds(hours(12)).count() + ); + + // Combine all of the values + const double epoch = nSecondsSince2000 + nLeapSecondsOffset - nSecondsEpochOffset; + return epoch; + } + + double calculateSemiMajorAxis(double meanMotion) { + constexpr const double GravitationalConstant = 6.6740831e-11; + constexpr const double MassEarth = 5.9721986e24; + constexpr const double muEarth = GravitationalConstant * MassEarth; + + // Use Kepler's 3rd law to calculate semimajor axis + // a^3 / P^2 = mu / (2pi)^2 + // <=> a = ((mu * P^2) / (2pi^2))^(1/3) + // with a = semimajor axis + // P = period in seconds + // mu = G*M_earth + double period = std::chrono::seconds(std::chrono::hours(24)).count() / meanMotion; + + const double pisq = glm::pi() * glm::pi(); + double semiMajorAxis = pow((muEarth * period*period) / (4 * pisq), 1.0 / 3.0); + + // We need the semi major axis in km instead of m + return semiMajorAxis / 1000.0; + } + +} // namespace namespace openspace { +documentation::Documentation ElonsTest::Documentation() { + using namespace documentation; + return { + "ElonsTest", + "space_elons_test", + { + { + SegmentsInfo.identifier, + new DoubleVerifier, + Optional::No, + SegmentsInfo.description + }, + { + PathInfo.identifier, + new StringVerifier, + Optional::No, + PathInfo.description + }, + { + EccentricityColumnInfo.identifier, + new StringVerifier, + Optional::No, + EccentricityColumnInfo.description + }, + { + SemiMajorAxisColumnInfo.identifier, + new StringVerifier, + Optional::No, + SemiMajorAxisColumnInfo.description + }, + { + SemiMajorAxisUnitInfo.identifier, + new DoubleVerifier, + Optional::No, + SemiMajorAxisUnitInfo.description + }, + { + InclinationColumnInfo.identifier, + new StringVerifier, + Optional::No, + InclinationColumnInfo.description + }, + { + AscendingNodeColumnInfo.identifier, + new StringVerifier, + Optional::No, + AscendingNodeColumnInfo.description + }, + { + ArgumentOfPeriapsisColumnInfo.identifier, + new StringVerifier, + Optional::No, + ArgumentOfPeriapsisColumnInfo.description + }, + { + MeanAnomalyAtEpochColumnInfo.identifier, + new StringVerifier, + Optional::No, + MeanAnomalyAtEpochColumnInfo.description + }, + { + EpochColumnInfo.identifier, + new StringVerifier, + Optional::No, + EpochColumnInfo.description + } + } + }; +} + ElonsTest::ElonsTest(const ghoul::Dictionary& dictionary) : Renderable(dictionary) , _path(PathInfo) @@ -109,6 +384,12 @@ ElonsTest::ElonsTest(const ghoul::Dictionary& dictionary) , _meanAnomalyAtEpochColumnName(MeanAnomalyAtEpochColumnInfo) , _epochColumnName(EpochColumnInfo) { + documentation::testSpecificationAndThrow( + Documentation(), + dictionary, + "ElonsTest" + ); + _path = dictionary.value(PathInfo.identifier); _nSegments = @@ -133,9 +414,160 @@ ElonsTest::ElonsTest(const ghoul::Dictionary& dictionary) addProperty(_path); addProperty(_nSegments); addProperty(_semiMajorAxisUnit); -} + + // TLE + // documentation::testSpecificationAndThrow( + // Documentation(), + // dictionary, + // "TLETranslation" + // ); + + const std::string& file = dictionary.value(KeyFile); + ElonsTest::readTLEFile(file); + + // !TLE +} // !constructor // uses Renderables destructor? +void ElonsTest::readTLEFile(const std::string& filename) { + ghoul_assert(FileSys.fileExists(filename), "The filename must exist"); + + std::ifstream file; + file.exceptions(std::ofstream::failbit | std::ofstream::badbit); + file.open(filename); + + // All of the Kepler element information + struct KeplerParameters{ + double inclination = 0.0; + double semiMajorAxis = 0.0; + double ascendingNode = 0.0; + double eccentricity = 0.0; + double argumentOfPeriapsis = 0.0; + double meanAnomaly = 0.0; + double meanMotion = 0.0; + double epoch = 0.0; + }; + + std::vector TLEData; + + LINFO(""); + // int numberOfLines = std::count(std::istreambuf_iterator(file), + // std::istreambuf_iterator(), '\n' ); + // 3 because a TLE has 3 lines per element/ object. + // int numberOfObjects = numberOfLines/3; + // for(int i=0 ; i> keplerElements.inclination; + stream.clear(); + + // Get Right ascension of the ascending node + stream.str(line.substr(17, 8)); + stream >> keplerElements.ascendingNode; + stream.clear(); + + // Get Eccentricity + stream.str("0." + line.substr(26, 7)); + stream >> keplerElements.eccentricity; + stream.clear(); + + // Get argument of periapsis + stream.str(line.substr(34, 8)); + stream >> keplerElements.argumentOfPeriapsis; + stream.clear(); + + // Get mean anomaly + stream.str(line.substr(43, 8)); + stream >> keplerElements.meanAnomaly; + stream.clear(); + + // Get mean motion + stream.str(line.substr(52, 11)); + stream >> keplerElements.meanMotion; + } else { + throw ghoul::RuntimeError(fmt::format( + "File {} @ line {} does not have '2' header", filename // , lineNum + 2 + )); + } + + // Calculate the semi major axis based on the mean motion using kepler's laws + keplerElements.semiMajorAxis = calculateSemiMajorAxis(keplerElements.meanMotion); + + // Converting the mean motion (revolutions per day) to period (seconds per revolution) + using namespace std::chrono; + double period = seconds(hours(24)).count() / keplerElements.meanMotion; + + _keplerTranslator.setKeplerElements( + keplerElements.eccentricity, + keplerElements.semiMajorAxis, + keplerElements.inclination, + keplerElements.ascendingNode, + keplerElements.argumentOfPeriapsis, + keplerElements.meanAnomaly, + period, + keplerElements.epoch + ); + + TLEData.push_back(keplerElements); + } // !while loop + + file.close(); +} + void ElonsTest::initialize(){ // note to self, se vad Gene skrev. Fyll _vertexArray i init och // rendera bara orbits, inga rörliga delar. @@ -161,4 +593,4 @@ void ElonsTest::render(const RenderData& data, RendererTasks& rendererTask) { void ElonsTest::update(const UpdateData& data) {} -} +} \ No newline at end of file diff --git a/modules/space/rendering/elonstest.h b/modules/space/rendering/elonstest.h index f577e0a0b5..942d0b267d 100644 --- a/modules/space/rendering/elonstest.h +++ b/modules/space/rendering/elonstest.h @@ -22,8 +22,8 @@ * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * ****************************************************************************************/ -#ifndef __OPENSPACE_MODULE_SPACE___RENDERABLEPLANET___H__ -#define __OPENSPACE_MODULE_SPACE___RENDERABLEPLANET___H__ +#ifndef __OPENSPACE_MODULE_SPACE___ELONSTEST___H__ +#define __OPENSPACE_MODULE_SPACE___ELONSTEST___H__ #include #include @@ -34,6 +34,8 @@ namespace openspace { +namespace documentation { struct Documentation; } + class ElonsTest : public Renderable { public: // constructors & destructor @@ -51,12 +53,16 @@ public: void render(const RenderData& data, RendererTasks& rendererTask) override; void update(const UpdateData& data) override; + static documentation::Documentation Documentation(); + protected: private: TLETranslation _tleTranslator; std::vector _orbits; ghoul::opengl::ProgramObject* _programObject; + KeplerTranslation _keplerTranslator; + properties::StringProperty _path; properties::UIntProperty _nSegments; @@ -68,8 +74,11 @@ private: properties::StringProperty _argumentOfPeriapsisColumnName; properties::StringProperty _meanAnomalyAtEpochColumnName; properties::StringProperty _epochColumnName; + + void readTLEFile(const std::string& filename); + }; } // namespace openspace -#endif // __OPENSPACE_MODULE_SPACE___RENDERABLEPLANET___H__ +#endif // __OPENSPACE_MODULE_SPACE___ELONSTEST___H__ diff --git a/modules/space/rendering/renderablesatellites.cpp b/modules/space/rendering/renderablesatellites.cpp index f8b9ba96b3..989487a64b 100644 --- a/modules/space/rendering/renderablesatellites.cpp +++ b/modules/space/rendering/renderablesatellites.cpp @@ -1,755 +1,755 @@ -/**************************************************************************************** - * * - * OpenSpace * - * * - * Copyright (c) 2014-2018 * - * * - * Permission is hereby granted, free of charge, to any person obtaining a copy of this * - * software and associated documentation files (the "Software"), to deal in the Software * - * without restriction, including without limitation the rights to use, copy, modify, * - * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to * - * permit persons to whom the Software is furnished to do so, subject to the following * - * conditions: * - * * - * The above copyright notice and this permission notice shall be included in all copies * - * or substantial portions of the Software. * - * * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, * - * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * - * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * - * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF * - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE * - * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - ****************************************************************************************/ -#include -#include -#include +// /**************************************************************************************** +// * * +// * OpenSpace * +// * * +// * Copyright (c) 2014-2018 * +// * * +// * Permission is hereby granted, free of charge, to any person obtaining a copy of this * +// * software and associated documentation files (the "Software"), to deal in the Software * +// * without restriction, including without limitation the rights to use, copy, modify, * +// * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to * +// * permit persons to whom the Software is furnished to do so, subject to the following * +// * conditions: * +// * * +// * The above copyright notice and this permission notice shall be included in all copies * +// * or substantial portions of the Software. * +// * * +// * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, * +// * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * +// * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * +// * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF * +// * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE * +// * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * +// ****************************************************************************************/ +// #include +// #include +// #include -#include -#include -#include +// #include +// #include +// #include -#include +// #include -#include -#include -#include -#include -#include -#include +// #include +// #include +// #include +// #include +// #include +// #include -#include -#include -#include -#include +// #include +// #include +// #include +// #include -#include +// #include -// Todo: -// Parse epoch correctly -// read distances using correct unit -// ... +// // Todo: +// // Parse epoch correctly +// // read distances using correct unit +// // ... -namespace { - constexpr const char* ProgramName = "KeplerTrails"; - constexpr const char* KeyFile = "File"; - constexpr const char* KeyLineNum = "LineNumber"; +// namespace { +// constexpr const char* ProgramName = "KeplerTrails"; +// constexpr const char* KeyFile = "File"; +// constexpr const char* KeyLineNum = "LineNumber"; - static const openspace::properties::Property::PropertyInfo PathInfo = { - "Path", - "Path", - "The file path to the CSV file to read" - }; +// static const openspace::properties::Property::PropertyInfo PathInfo = { +// "Path", +// "Path", +// "The file path to the CSV file to read" +// }; - static const openspace::properties::Property::PropertyInfo SegmentsInfo = { - "Segments", - "Segments", - "The number of segments to use for each orbit ellipse" - }; +// static const openspace::properties::Property::PropertyInfo SegmentsInfo = { +// "Segments", +// "Segments", +// "The number of segments to use for each orbit ellipse" +// }; - static const openspace::properties::Property::PropertyInfo EccentricityColumnInfo = { - "EccentricityColumn", - "EccentricityColumn", - "The header of the column where the eccentricity is stored" - }; +// static const openspace::properties::Property::PropertyInfo EccentricityColumnInfo = { +// "EccentricityColumn", +// "EccentricityColumn", +// "The header of the column where the eccentricity is stored" +// }; - static const openspace::properties::Property::PropertyInfo SemiMajorAxisColumnInfo = { - "SemiMajorAxisColumn", - "SemiMajorAxisColumn", - "The header of the column where the semi-major axis is stored" - }; +// static const openspace::properties::Property::PropertyInfo SemiMajorAxisColumnInfo = { +// "SemiMajorAxisColumn", +// "SemiMajorAxisColumn", +// "The header of the column where the semi-major axis is stored" +// }; - static const openspace::properties::Property::PropertyInfo SemiMajorAxisUnitInfo = { - "SemiMajorAxisUnit", - "SemiMajorAxisUnit", - "The unit of the semi major axis. For example: If specified in km, set this to 1000." - }; +// static const openspace::properties::Property::PropertyInfo SemiMajorAxisUnitInfo = { +// "SemiMajorAxisUnit", +// "SemiMajorAxisUnit", +// "The unit of the semi major axis. For example: If specified in km, set this to 1000." +// }; - static const openspace::properties::Property::PropertyInfo InclinationColumnInfo = { - "InclinationColumn", - "InclinationColumn", - "The header of the column where the inclination is stored" - }; +// static const openspace::properties::Property::PropertyInfo InclinationColumnInfo = { +// "InclinationColumn", +// "InclinationColumn", +// "The header of the column where the inclination is stored" +// }; - static const openspace::properties::Property::PropertyInfo AscendingNodeColumnInfo = { - "AscendingNodeColumn", - "AscendingNodeColumn", - "The header of the column where the ascending node is stored" - }; +// static const openspace::properties::Property::PropertyInfo AscendingNodeColumnInfo = { +// "AscendingNodeColumn", +// "AscendingNodeColumn", +// "The header of the column where the ascending node is stored" +// }; - static const openspace::properties::Property::PropertyInfo ArgumentOfPeriapsisColumnInfo = { - "ArgumentOfPeriapsisColumn", - "ArgumentOfPeriapsisColumn", - "The header of the column where the argument of periapsis is stored" - }; +// static const openspace::properties::Property::PropertyInfo ArgumentOfPeriapsisColumnInfo = { +// "ArgumentOfPeriapsisColumn", +// "ArgumentOfPeriapsisColumn", +// "The header of the column where the argument of periapsis is stored" +// }; - static const openspace::properties::Property::PropertyInfo MeanAnomalyAtEpochColumnInfo = { - "MeanAnomalyAtEpochColumn", - "MeanAnomalyAtEpochColumn", - "The header of the column where the mean anomaly at epoch is stored" - }; +// static const openspace::properties::Property::PropertyInfo MeanAnomalyAtEpochColumnInfo = { +// "MeanAnomalyAtEpochColumn", +// "MeanAnomalyAtEpochColumn", +// "The header of the column where the mean anomaly at epoch is stored" +// }; - static const openspace::properties::Property::PropertyInfo EpochColumnInfo = { - "EpochColumn", - "EpochColumn", - "The header of the column where the epoch is stored" - }; -} +// static const openspace::properties::Property::PropertyInfo EpochColumnInfo = { +// "EpochColumn", +// "EpochColumn", +// "The header of the column where the epoch is stored" +// }; +// } -namespace openspace { +// namespace openspace { -documentation::Documentation RenderableSatellites::Documentation() { - using namespace documentation; - return { - "Renderable Kepler Orbits", - "space_renderable_kepler_orbits", - { - { - SegmentsInfo.identifier, - new DoubleVerifier, - Optional::No, - SegmentsInfo.description - }, - { - PathInfo.identifier, - new StringVerifier, - Optional::No, - PathInfo.description - }, - { - EccentricityColumnInfo.identifier, - new StringVerifier, - Optional::No, - EccentricityColumnInfo.description - }, - { - SemiMajorAxisColumnInfo.identifier, - new StringVerifier, - Optional::No, - SemiMajorAxisColumnInfo.description - }, - { - SemiMajorAxisUnitInfo.identifier, - new DoubleVerifier, - Optional::No, - SemiMajorAxisUnitInfo.description - }, - { - InclinationColumnInfo.identifier, - new StringVerifier, - Optional::No, - InclinationColumnInfo.description - }, - { - AscendingNodeColumnInfo.identifier, - new StringVerifier, - Optional::No, - AscendingNodeColumnInfo.description - }, - { - ArgumentOfPeriapsisColumnInfo.identifier, - new StringVerifier, - Optional::No, - ArgumentOfPeriapsisColumnInfo.description - }, - { - MeanAnomalyAtEpochColumnInfo.identifier, - new StringVerifier, - Optional::No, - MeanAnomalyAtEpochColumnInfo.description - }, - { - EpochColumnInfo.identifier, - new StringVerifier, - Optional::No, - EpochColumnInfo.description - } - } - }; -} +// documentation::Documentation RenderableSatellites::Documentation() { +// using namespace documentation; +// return { +// "Renderable Kepler Orbits", +// "space_renderable_kepler_orbits", +// { +// { +// SegmentsInfo.identifier, +// new DoubleVerifier, +// Optional::No, +// SegmentsInfo.description +// }, +// { +// PathInfo.identifier, +// new StringVerifier, +// Optional::No, +// PathInfo.description +// }, +// { +// EccentricityColumnInfo.identifier, +// new StringVerifier, +// Optional::No, +// EccentricityColumnInfo.description +// }, +// { +// SemiMajorAxisColumnInfo.identifier, +// new StringVerifier, +// Optional::No, +// SemiMajorAxisColumnInfo.description +// }, +// { +// SemiMajorAxisUnitInfo.identifier, +// new DoubleVerifier, +// Optional::No, +// SemiMajorAxisUnitInfo.description +// }, +// { +// InclinationColumnInfo.identifier, +// new StringVerifier, +// Optional::No, +// InclinationColumnInfo.description +// }, +// { +// AscendingNodeColumnInfo.identifier, +// new StringVerifier, +// Optional::No, +// AscendingNodeColumnInfo.description +// }, +// { +// ArgumentOfPeriapsisColumnInfo.identifier, +// new StringVerifier, +// Optional::No, +// ArgumentOfPeriapsisColumnInfo.description +// }, +// { +// MeanAnomalyAtEpochColumnInfo.identifier, +// new StringVerifier, +// Optional::No, +// MeanAnomalyAtEpochColumnInfo.description +// }, +// { +// EpochColumnInfo.identifier, +// new StringVerifier, +// Optional::No, +// EpochColumnInfo.description +// } +// } +// }; +// } -RenderableSatellites::RenderableSatellites(const ghoul::Dictionary& dictionary) - : Renderable(dictionary) - , _path(PathInfo) - , _nSegments(SegmentsInfo) - , _eccentricityColumnName(EccentricityColumnInfo) - , _semiMajorAxisColumnName(SemiMajorAxisColumnInfo) - , _semiMajorAxisUnit(SemiMajorAxisUnitInfo) - , _inclinationColumnName(InclinationColumnInfo) - , _ascendingNodeColumnName(AscendingNodeColumnInfo) - , _argumentOfPeriapsisColumnName(ArgumentOfPeriapsisColumnInfo) - , _meanAnomalyAtEpochColumnName(MeanAnomalyAtEpochColumnInfo) - , _epochColumnName(EpochColumnInfo) -{ - documentation::testSpecificationAndThrow( - Documentation(), - dictionary, - "RenderableSatellites" - ); +// RenderableSatellites::RenderableSatellites(const ghoul::Dictionary& dictionary) +// : Renderable(dictionary) +// , _path(PathInfo) +// , _nSegments(SegmentsInfo) +// , _eccentricityColumnName(EccentricityColumnInfo) +// , _semiMajorAxisColumnName(SemiMajorAxisColumnInfo) +// , _semiMajorAxisUnit(SemiMajorAxisUnitInfo) +// , _inclinationColumnName(InclinationColumnInfo) +// , _ascendingNodeColumnName(AscendingNodeColumnInfo) +// , _argumentOfPeriapsisColumnName(ArgumentOfPeriapsisColumnInfo) +// , _meanAnomalyAtEpochColumnName(MeanAnomalyAtEpochColumnInfo) +// , _epochColumnName(EpochColumnInfo) +// { +// documentation::testSpecificationAndThrow( +// Documentation(), +// dictionary, +// "RenderableSatellites" +// ); - _nSegments = - static_cast(dictionary.value(SegmentsInfo.identifier)); - _path = - dictionary.value(PathInfo.identifier); - _eccentricityColumnName = - dictionary.value(EccentricityColumnInfo.identifier); - _semiMajorAxisColumnName = - dictionary.value(SemiMajorAxisColumnInfo.identifier); - _inclinationColumnName = - dictionary.value(InclinationColumnInfo.identifier); - _ascendingNodeColumnName = - dictionary.value(AscendingNodeColumnInfo.identifier); - _argumentOfPeriapsisColumnName = - dictionary.value(ArgumentOfPeriapsisColumnInfo.identifier); - _meanAnomalyAtEpochColumnName = - dictionary.value(MeanAnomalyAtEpochColumnInfo.identifier); - _epochColumnName = - dictionary.value(EpochColumnInfo.identifier); - _semiMajorAxisUnit = - dictionary.value(SemiMajorAxisUnitInfo.identifier); +// _nSegments = +// static_cast(dictionary.value(SegmentsInfo.identifier)); +// _path = +// dictionary.value(PathInfo.identifier); +// _eccentricityColumnName = +// dictionary.value(EccentricityColumnInfo.identifier); +// _semiMajorAxisColumnName = +// dictionary.value(SemiMajorAxisColumnInfo.identifier); +// _inclinationColumnName = +// dictionary.value(InclinationColumnInfo.identifier); +// _ascendingNodeColumnName = +// dictionary.value(AscendingNodeColumnInfo.identifier); +// _argumentOfPeriapsisColumnName = +// dictionary.value(ArgumentOfPeriapsisColumnInfo.identifier); +// _meanAnomalyAtEpochColumnName = +// dictionary.value(MeanAnomalyAtEpochColumnInfo.identifier); +// _epochColumnName = +// dictionary.value(EpochColumnInfo.identifier); +// _semiMajorAxisUnit = +// dictionary.value(SemiMajorAxisUnitInfo.identifier); - addPropertySubOwner(_appearance); - addProperty(_path); - addProperty(_nSegments); - addProperty(_semiMajorAxisUnit); +// addPropertySubOwner(_appearance); +// addProperty(_path); +// addProperty(_nSegments); +// addProperty(_semiMajorAxisUnit); -/* -* test -*/ +// /* +// * test +// */ - const std::string& file = dictionary.value(KeyFile); - int lineNum = 1; - if (dictionary.hasKeyAndValue(KeyLineNum)) { - lineNum = static_cast(dictionary.value(KeyLineNum)); - readTLEFile(file, lineNum); - } -} - // The list of leap years only goes until 2056 as we need to touch this file then - // again anyway ;) - const std::vector LeapYears = { - 1956, 1960, 1964, 1968, 1972, 1976, 1980, 1984, 1988, 1992, 1996, - 2000, 2004, 2008, 2012, 2016, 2020, 2024, 2028, 2032, 2036, 2040, - 2044, 2048, 2052, 2056 - }; +// const std::string& file = dictionary.value(KeyFile); +// int lineNum = 1; +// if (dictionary.hasKeyAndValue(KeyLineNum)) { +// lineNum = static_cast(dictionary.value(KeyLineNum)); +// readTLEFile(file, lineNum); +// } +// } +// // The list of leap years only goes until 2056 as we need to touch this file then +// // again anyway ;) +// const std::vector LeapYears = { +// 1956, 1960, 1964, 1968, 1972, 1976, 1980, 1984, 1988, 1992, 1996, +// 2000, 2004, 2008, 2012, 2016, 2020, 2024, 2028, 2032, 2036, 2040, +// 2044, 2048, 2052, 2056 +// }; - // Count the number of full days since the beginning of 2000 to the beginning of - // the parameter 'year' - int countDays(int year) { - // Find the position of the current year in the vector, the difference - // between its position and the position of 2000 (for J2000) gives the - // number of leap years - constexpr const int Epoch = 2000; - constexpr const int DaysRegularYear = 365; - constexpr const int DaysLeapYear = 366; +// // Count the number of full days since the beginning of 2000 to the beginning of +// // the parameter 'year' +// int countDays(int year) { +// // Find the position of the current year in the vector, the difference +// // between its position and the position of 2000 (for J2000) gives the +// // number of leap years +// constexpr const int Epoch = 2000; +// constexpr const int DaysRegularYear = 365; +// constexpr const int DaysLeapYear = 366; - if (year == Epoch) { - return 0; - } +// if (year == Epoch) { +// return 0; +// } - // Get the position of the most recent leap year - const auto lb = std::lower_bound(LeapYears.begin(), LeapYears.end(), year); +// // Get the position of the most recent leap year +// const auto lb = std::lower_bound(LeapYears.begin(), LeapYears.end(), year); - // Get the position of the epoch - const auto y2000 = std::find(LeapYears.begin(), LeapYears.end(), Epoch); +// // Get the position of the epoch +// const auto y2000 = std::find(LeapYears.begin(), LeapYears.end(), Epoch); - // The distance between the two iterators gives us the number of leap years - const int nLeapYears = static_cast(std::abs(std::distance(y2000, lb))); +// // The distance between the two iterators gives us the number of leap years +// const int nLeapYears = static_cast(std::abs(std::distance(y2000, lb))); - const int nYears = std::abs(year - Epoch); - const int nRegularYears = nYears - nLeapYears; +// const int nYears = std::abs(year - Epoch); +// const int nRegularYears = nYears - nLeapYears; - // Get the total number of days as the sum of leap years + non leap years - const int result = nRegularYears * DaysRegularYear + nLeapYears * DaysLeapYear; - return result; - } +// // Get the total number of days as the sum of leap years + non leap years +// const int result = nRegularYears * DaysRegularYear + nLeapYears * DaysLeapYear; +// return result; +// } - // Returns the number of leap seconds that lie between the {year, dayOfYear} - // time point and { 2000, 1 } - int countLeapSeconds(int year, int dayOfYear) { - // Find the position of the current year in the vector; its position in - // the vector gives the number of leap seconds - struct LeapSecond { - int year; - int dayOfYear; - bool operator<(const LeapSecond& rhs) const { - return std::tie(year, dayOfYear) < std::tie(rhs.year, rhs.dayOfYear); - } - }; +// // Returns the number of leap seconds that lie between the {year, dayOfYear} +// // time point and { 2000, 1 } +// int countLeapSeconds(int year, int dayOfYear) { +// // Find the position of the current year in the vector; its position in +// // the vector gives the number of leap seconds +// struct LeapSecond { +// int year; +// int dayOfYear; +// bool operator<(const LeapSecond& rhs) const { +// return std::tie(year, dayOfYear) < std::tie(rhs.year, rhs.dayOfYear); +// } +// }; - const LeapSecond Epoch = { 2000, 1 }; +// const LeapSecond Epoch = { 2000, 1 }; - // List taken from: https://www.ietf.org/timezones/data/leap-seconds.list - static const std::vector LeapSeconds = { - { 1972, 1 }, - { 1972, 183 }, - { 1973, 1 }, - { 1974, 1 }, - { 1975, 1 }, - { 1976, 1 }, - { 1977, 1 }, - { 1978, 1 }, - { 1979, 1 }, - { 1980, 1 }, - { 1981, 182 }, - { 1982, 182 }, - { 1983, 182 }, - { 1985, 182 }, - { 1988, 1 }, - { 1990, 1 }, - { 1991, 1 }, - { 1992, 183 }, - { 1993, 182 }, - { 1994, 182 }, - { 1996, 1 }, - { 1997, 182 }, - { 1999, 1 }, - { 2006, 1 }, - { 2009, 1 }, - { 2012, 183 }, - { 2015, 182 }, - { 2017, 1 } - }; +// // List taken from: https://www.ietf.org/timezones/data/leap-seconds.list +// static const std::vector LeapSeconds = { +// { 1972, 1 }, +// { 1972, 183 }, +// { 1973, 1 }, +// { 1974, 1 }, +// { 1975, 1 }, +// { 1976, 1 }, +// { 1977, 1 }, +// { 1978, 1 }, +// { 1979, 1 }, +// { 1980, 1 }, +// { 1981, 182 }, +// { 1982, 182 }, +// { 1983, 182 }, +// { 1985, 182 }, +// { 1988, 1 }, +// { 1990, 1 }, +// { 1991, 1 }, +// { 1992, 183 }, +// { 1993, 182 }, +// { 1994, 182 }, +// { 1996, 1 }, +// { 1997, 182 }, +// { 1999, 1 }, +// { 2006, 1 }, +// { 2009, 1 }, +// { 2012, 183 }, +// { 2015, 182 }, +// { 2017, 1 } +// }; - // Get the position of the last leap second before the desired date - LeapSecond date { year, dayOfYear }; - const auto it = std::lower_bound(LeapSeconds.begin(), LeapSeconds.end(), date); +// // Get the position of the last leap second before the desired date +// LeapSecond date { year, dayOfYear }; +// const auto it = std::lower_bound(LeapSeconds.begin(), LeapSeconds.end(), date); - // Get the position of the Epoch - const auto y2000 = std::lower_bound( - LeapSeconds.begin(), - LeapSeconds.end(), - Epoch - ); +// // Get the position of the Epoch +// const auto y2000 = std::lower_bound( +// LeapSeconds.begin(), +// LeapSeconds.end(), +// Epoch +// ); - // The distance between the two iterators gives us the number of leap years - const int nLeapSeconds = static_cast(std::abs(std::distance(y2000, it))); - return nLeapSeconds; - } +// // The distance between the two iterators gives us the number of leap years +// const int nLeapSeconds = static_cast(std::abs(std::distance(y2000, it))); +// return nLeapSeconds; +// } - double calculateSemiMajorAxis(double meanMotion) { - constexpr const double GravitationalConstant = 6.6740831e-11; - constexpr const double MassEarth = 5.9721986e24; - constexpr const double muEarth = GravitationalConstant * MassEarth; +// double calculateSemiMajorAxis(double meanMotion) { +// constexpr const double GravitationalConstant = 6.6740831e-11; +// constexpr const double MassEarth = 5.9721986e24; +// constexpr const double muEarth = GravitationalConstant * MassEarth; - // Use Kepler's 3rd law to calculate semimajor axis - // a^3 / P^2 = mu / (2pi)^2 - // <=> a = ((mu * P^2) / (2pi^2))^(1/3) - // with a = semimajor axis - // P = period in seconds - // mu = G*M_earth - double period = std::chrono::seconds(std::chrono::hours(24)).count() / meanMotion; +// // Use Kepler's 3rd law to calculate semimajor axis +// // a^3 / P^2 = mu / (2pi)^2 +// // <=> a = ((mu * P^2) / (2pi^2))^(1/3) +// // with a = semimajor axis +// // P = period in seconds +// // mu = G*M_earth +// double period = std::chrono::seconds(std::chrono::hours(24)).count() / meanMotion; - const double pisq = glm::pi() * glm::pi(); - double semiMajorAxis = pow((muEarth * period*period) / (4 * pisq), 1.0 / 3.0); +// const double pisq = glm::pi() * glm::pi(); +// double semiMajorAxis = pow((muEarth * period*period) / (4 * pisq), 1.0 / 3.0); - // We need the semi major axis in km instead of m - return semiMajorAxis / 1000.0; - } +// // We need the semi major axis in km instead of m +// return semiMajorAxis / 1000.0; +// } -double epochFromSubstring(const std::string& epochString) { - // The epochString is in the form: - // YYDDD.DDDDDDDD - // With YY being the last two years of the launch epoch, the first DDD the day - // of the year and the remaning a fractional part of the day +// double epochFromSubstring(const std::string& epochString) { +// // The epochString is in the form: +// // YYDDD.DDDDDDDD +// // With YY being the last two years of the launch epoch, the first DDD the day +// // of the year and the remaning a fractional part of the day - // The main overview of this function: - // 1. Reconstruct the full year from the YY part - // 2. Calculate the number of seconds since the beginning of the year - // 2.a Get the number of full days since the beginning of the year - // 2.b If the year is a leap year, modify the number of days - // 3. Convert the number of days to a number of seconds - // 4. Get the number of leap seconds since January 1st, 2000 and remove them - // 5. Adjust for the fact the epoch starts on 1st Januaray at 12:00:00, not - // midnight +// // The main overview of this function: +// // 1. Reconstruct the full year from the YY part +// // 2. Calculate the number of seconds since the beginning of the year +// // 2.a Get the number of full days since the beginning of the year +// // 2.b If the year is a leap year, modify the number of days +// // 3. Convert the number of days to a number of seconds +// // 4. Get the number of leap seconds since January 1st, 2000 and remove them +// // 5. Adjust for the fact the epoch starts on 1st Januaray at 12:00:00, not +// // midnight - // According to https://celestrak.com/columns/v04n03/ - // Apparently, US Space Command sees no need to change the two-line element - // set format yet since no artificial earth satellites existed prior to 1957. - // By their reasoning, two-digit years from 57-99 correspond to 1957-1999 and - // those from 00-56 correspond to 2000-2056. We'll see each other again in 2057! +// // According to https://celestrak.com/columns/v04n03/ +// // Apparently, US Space Command sees no need to change the two-line element +// // set format yet since no artificial earth satellites existed prior to 1957. +// // By their reasoning, two-digit years from 57-99 correspond to 1957-1999 and +// // those from 00-56 correspond to 2000-2056. We'll see each other again in 2057! - // 1. Get the full year - std::string yearPrefix = [y = epochString.substr(0, 2)](){ - int year = std::atoi(y.c_str()); - return year >= 57 ? "19" : "20"; - }(); - const int year = std::atoi((yearPrefix + epochString.substr(0, 2)).c_str()); - const int daysSince2000 = countDays(year); +// // 1. Get the full year +// std::string yearPrefix = [y = epochString.substr(0, 2)](){ +// int year = std::atoi(y.c_str()); +// return year >= 57 ? "19" : "20"; +// }(); +// const int year = std::atoi((yearPrefix + epochString.substr(0, 2)).c_str()); +// const int daysSince2000 = countDays(year); - // 2. - // 2.a - double daysInYear = std::atof(epochString.substr(2).c_str()); +// // 2. +// // 2.a +// double daysInYear = std::atof(epochString.substr(2).c_str()); - // 2.b - const bool isInLeapYear = std::find( - LeapYears.begin(), - LeapYears.end(), - year - ) != LeapYears.end(); - if (isInLeapYear && daysInYear >= 60) { - // We are in a leap year, so we have an effective day more if we are - // beyond the end of february (= 31+29 days) - --daysInYear; - } +// // 2.b +// const bool isInLeapYear = std::find( +// LeapYears.begin(), +// LeapYears.end(), +// year +// ) != LeapYears.end(); +// if (isInLeapYear && daysInYear >= 60) { +// // We are in a leap year, so we have an effective day more if we are +// // beyond the end of february (= 31+29 days) +// --daysInYear; +// } - // 3 - using namespace std::chrono; - const int SecondsPerDay = static_cast(seconds(hours(24)).count()); - //Need to subtract 1 from daysInYear since it is not a zero-based count - const double nSecondsSince2000 = (daysSince2000 + daysInYear - 1) * SecondsPerDay; +// // 3 +// using namespace std::chrono; +// const int SecondsPerDay = static_cast(seconds(hours(24)).count()); +// //Need to subtract 1 from daysInYear since it is not a zero-based count +// const double nSecondsSince2000 = (daysSince2000 + daysInYear - 1) * SecondsPerDay; - // 4 - // We need to remove additionbal leap seconds past 2000 and add them prior to - // 2000 to sync up the time zones - const double nLeapSecondsOffset = -countLeapSeconds( - year, - static_cast(std::floor(daysInYear)) - ); +// // 4 +// // We need to remove additionbal leap seconds past 2000 and add them prior to +// // 2000 to sync up the time zones +// const double nLeapSecondsOffset = -countLeapSeconds( +// year, +// static_cast(std::floor(daysInYear)) +// ); - // 5 - const double nSecondsEpochOffset = static_cast( - seconds(hours(12)).count() - ); +// // 5 +// const double nSecondsEpochOffset = static_cast( +// seconds(hours(12)).count() +// ); - // Combine all of the values - const double epoch = nSecondsSince2000 + nLeapSecondsOffset - nSecondsEpochOffset; - return epoch; - } +// // Combine all of the values +// const double epoch = nSecondsSince2000 + nLeapSecondsOffset - nSecondsEpochOffset; +// return epoch; +// } -void RenderableSatellites::readTLEFile(const std::string& filename, int lineNum){ - ghoul_assert(FileSys.fileExists(filename), "The filename must exist"); +// void RenderableSatellites::readTLEFile(const std::string& filename, int lineNum){ +// ghoul_assert(FileSys.fileExists(filename), "The filename must exist"); - std::ifstream file; - file.exceptions(std::ofstream::failbit | std::ofstream::badbit); - file.open(filename); +// std::ifstream file; +// file.exceptions(std::ofstream::failbit | std::ofstream::badbit); +// file.open(filename); - // All of the Kepler element information - struct { - double inclination = 0.0; - double semiMajorAxis = 0.0; - double ascendingNode = 0.0; - double eccentricity = 0.0; - double argumentOfPeriapsis = 0.0; - double meanAnomaly = 0.0; - double meanMotion = 0.0; - double epoch = 0.0; - } keplerElements; +// // All of the Kepler element information +// struct { +// double inclination = 0.0; +// double semiMajorAxis = 0.0; +// double ascendingNode = 0.0; +// double eccentricity = 0.0; +// double argumentOfPeriapsis = 0.0; +// double meanAnomaly = 0.0; +// double meanMotion = 0.0; +// double epoch = 0.0; +// } keplerElements; - std::string line; - // Loop through and throw out lines until getting to the linNum of interest - for (int i = 1; i < lineNum; ++i) { - std::getline(file, line); - } - std::getline(file, line); // Throw out the TLE title line (1st) +// std::string line; +// // Loop through and throw out lines until getting to the linNum of interest +// for (int i = 1; i < lineNum; ++i) { +// std::getline(file, line); +// } +// std::getline(file, line); // Throw out the TLE title line (1st) - std::getline(file, line); // Get line 1 of TLE format - if (line[0] == '1') { - // First line - // Field Columns Content - // 1 01-01 Line number - // 2 03-07 Satellite number - // 3 08-08 Classification (U = Unclassified) - // 4 10-11 International Designator (Last two digits of launch year) - // 5 12-14 International Designator (Launch number of the year) - // 6 15-17 International Designator(piece of the launch) A - // 7 19-20 Epoch Year(last two digits of year) - // 8 21-32 Epoch(day of the year and fractional portion of the day) - // 9 34-43 First Time Derivative of the Mean Motion divided by two - // 10 45-52 Second Time Derivative of Mean Motion divided by six - // 11 54-61 BSTAR drag term(decimal point assumed)[10] - 11606 - 4 - // 12 63-63 The "Ephemeris type" - // 13 65-68 Element set number.Incremented when a new TLE is generated - // 14 69-69 Checksum (modulo 10) - keplerElements.epoch = epochFromSubstring(line.substr(18, 14)); - } else { - throw ghoul::RuntimeError(fmt::format( - "File {} @ line {} does not have '1' header", filename, lineNum + 1 - )); - } +// std::getline(file, line); // Get line 1 of TLE format +// if (line[0] == '1') { +// // First line +// // Field Columns Content +// // 1 01-01 Line number +// // 2 03-07 Satellite number +// // 3 08-08 Classification (U = Unclassified) +// // 4 10-11 International Designator (Last two digits of launch year) +// // 5 12-14 International Designator (Launch number of the year) +// // 6 15-17 International Designator(piece of the launch) A +// // 7 19-20 Epoch Year(last two digits of year) +// // 8 21-32 Epoch(day of the year and fractional portion of the day) +// // 9 34-43 First Time Derivative of the Mean Motion divided by two +// // 10 45-52 Second Time Derivative of Mean Motion divided by six +// // 11 54-61 BSTAR drag term(decimal point assumed)[10] - 11606 - 4 +// // 12 63-63 The "Ephemeris type" +// // 13 65-68 Element set number.Incremented when a new TLE is generated +// // 14 69-69 Checksum (modulo 10) +// keplerElements.epoch = epochFromSubstring(line.substr(18, 14)); +// } else { +// throw ghoul::RuntimeError(fmt::format( +// "File {} @ line {} does not have '1' header", filename, lineNum + 1 +// )); +// } - std::getline(file, line); // Get line 2 of TLE format - if (line[0] == '2') { - // Second line - // Field Columns Content - // 1 01-01 Line number - // 2 03-07 Satellite number - // 3 09-16 Inclination (degrees) - // 4 18-25 Right ascension of the ascending node (degrees) - // 5 27-33 Eccentricity (decimal point assumed) - // 6 35-42 Argument of perigee (degrees) - // 7 44-51 Mean Anomaly (degrees) - // 8 53-63 Mean Motion (revolutions per day) - // 9 64-68 Revolution number at epoch (revolutions) - // 10 69-69 Checksum (modulo 10) +// std::getline(file, line); // Get line 2 of TLE format +// if (line[0] == '2') { +// // Second line +// // Field Columns Content +// // 1 01-01 Line number +// // 2 03-07 Satellite number +// // 3 09-16 Inclination (degrees) +// // 4 18-25 Right ascension of the ascending node (degrees) +// // 5 27-33 Eccentricity (decimal point assumed) +// // 6 35-42 Argument of perigee (degrees) +// // 7 44-51 Mean Anomaly (degrees) +// // 8 53-63 Mean Motion (revolutions per day) +// // 9 64-68 Revolution number at epoch (revolutions) +// // 10 69-69 Checksum (modulo 10) - std::stringstream stream; - stream.exceptions(std::ios::failbit); +// std::stringstream stream; +// stream.exceptions(std::ios::failbit); - // Get inclination - stream.str(line.substr(8, 8)); - stream >> keplerElements.inclination; - stream.clear(); +// // Get inclination +// stream.str(line.substr(8, 8)); +// stream >> keplerElements.inclination; +// stream.clear(); - // Get Right ascension of the ascending node - stream.str(line.substr(17, 8)); - stream >> keplerElements.ascendingNode; - stream.clear(); +// // Get Right ascension of the ascending node +// stream.str(line.substr(17, 8)); +// stream >> keplerElements.ascendingNode; +// stream.clear(); - // Get Eccentricity - stream.str("0." + line.substr(26, 7)); - stream >> keplerElements.eccentricity; - stream.clear(); +// // Get Eccentricity +// stream.str("0." + line.substr(26, 7)); +// stream >> keplerElements.eccentricity; +// stream.clear(); - // Get argument of periapsis - stream.str(line.substr(34, 8)); - stream >> keplerElements.argumentOfPeriapsis; - stream.clear(); +// // Get argument of periapsis +// stream.str(line.substr(34, 8)); +// stream >> keplerElements.argumentOfPeriapsis; +// stream.clear(); - // Get mean anomaly - stream.str(line.substr(43, 8)); - stream >> keplerElements.meanAnomaly; - stream.clear(); +// // Get mean anomaly +// stream.str(line.substr(43, 8)); +// stream >> keplerElements.meanAnomaly; +// stream.clear(); - // Get mean motion - stream.str(line.substr(52, 11)); - stream >> keplerElements.meanMotion; - } else { - throw ghoul::RuntimeError(fmt::format( - "File {} @ line {} does not have '2' header", filename, lineNum + 2 - )); - } - file.close(); +// // Get mean motion +// stream.str(line.substr(52, 11)); +// stream >> keplerElements.meanMotion; +// } else { +// throw ghoul::RuntimeError(fmt::format( +// "File {} @ line {} does not have '2' header", filename, lineNum + 2 +// )); +// } +// file.close(); - // Calculate the semi major axis based on the mean motion using kepler's laws - keplerElements.semiMajorAxis = calculateSemiMajorAxis(keplerElements.meanMotion); +// // Calculate the semi major axis based on the mean motion using kepler's laws +// keplerElements.semiMajorAxis = calculateSemiMajorAxis(keplerElements.meanMotion); - // Converting the mean motion (revolutions per day) to period (seconds per revolution) - using namespace std::chrono; - double period = seconds(hours(24)).count() / keplerElements.meanMotion; +// // Converting the mean motion (revolutions per day) to period (seconds per revolution) +// using namespace std::chrono; +// double period = seconds(hours(24)).count() / keplerElements.meanMotion; - /* - setKeplerElements( - keplerElements.eccentricity, - keplerElements.semiMajorAxis, - keplerElements.inclination, - keplerElements.ascendingNode, - keplerElements.argumentOfPeriapsis, - keplerElements.meanAnomaly, - period, - keplerElements.epoch - ); - */ -} +// /* +// setKeplerElements( +// keplerElements.eccentricity, +// keplerElements.semiMajorAxis, +// keplerElements.inclination, +// keplerElements.ascendingNode, +// keplerElements.argumentOfPeriapsis, +// keplerElements.meanAnomaly, +// period, +// keplerElements.epoch +// ); +// */ +// } -/* -* !test -*/ -RenderableSatellites::~RenderableSatellites() { +// /* +// * !test +// */ +// RenderableSatellites::~RenderableSatellites() { -} +// } -void RenderableSatellites::initialize() { - readFromCsvFile(); - updateBuffers(); +// void RenderableSatellites::initialize() { +// readFromCsvFile(); +// updateBuffers(); - _path.onChange([this]() { - readFromCsvFile(); - updateBuffers(); - }); +// _path.onChange([this]() { +// readFromCsvFile(); +// updateBuffers(); +// }); - _semiMajorAxisUnit.onChange([this]() { - readFromCsvFile(); - updateBuffers(); - }); +// _semiMajorAxisUnit.onChange([this]() { +// readFromCsvFile(); +// updateBuffers(); +// }); - _nSegments.onChange([this]() { - updateBuffers(); - }); -} +// _nSegments.onChange([this]() { +// updateBuffers(); +// }); +// } -void RenderableSatellites::deinitialize() { +// void RenderableSatellites::deinitialize() { -} +// } -void RenderableSatellites::initializeGL() { - glGenVertexArrays(1, &_vertexArray); - glGenBuffers(1, &_vertexBuffer); - glGenBuffers(1, &_indexBuffer); +// void RenderableSatellites::initializeGL() { +// glGenVertexArrays(1, &_vertexArray); +// glGenBuffers(1, &_vertexBuffer); +// glGenBuffers(1, &_indexBuffer); - _programObject = SpaceModule::ProgramObjectManager.request( - ProgramName, - []() -> std::unique_ptr { - return global::renderEngine.buildRenderProgram( - ProgramName, - absPath("${MODULE_SPACE}/shaders/RenderableKeplerOrbits_vs.glsl"), - absPath("${MODULE_SPACE}/shaders/RenderableKeplerOrbits_fs.glsl") - ); - } - ); +// _programObject = SpaceModule::ProgramObjectManager.request( +// ProgramName, +// []() -> std::unique_ptr { +// return global::renderEngine.buildRenderProgram( +// ProgramName, +// absPath("${MODULE_SPACE}/shaders/RenderableKeplerOrbits_vs.glsl"), +// absPath("${MODULE_SPACE}/shaders/RenderableKeplerOrbits_fs.glsl") +// ); +// } +// ); - _uniformCache.opacity = _programObject->uniformLocation("opacity"); - _uniformCache.modelView = _programObject->uniformLocation("modelViewTransform"); - _uniformCache.projection = _programObject->uniformLocation("projectionTransform"); - _uniformCache.color = _programObject->uniformLocation("color"); - _uniformCache.useLineFade = _programObject->uniformLocation("useLineFade"); - _uniformCache.lineFade = _programObject->uniformLocation("lineFade"); +// _uniformCache.opacity = _programObject->uniformLocation("opacity"); +// _uniformCache.modelView = _programObject->uniformLocation("modelViewTransform"); +// _uniformCache.projection = _programObject->uniformLocation("projectionTransform"); +// _uniformCache.color = _programObject->uniformLocation("color"); +// _uniformCache.useLineFade = _programObject->uniformLocation("useLineFade"); +// _uniformCache.lineFade = _programObject->uniformLocation("lineFade"); - setRenderBin(Renderable::RenderBin::Overlay); -} +// setRenderBin(Renderable::RenderBin::Overlay); +// } -void RenderableSatellites::deinitializeGL() { - SpaceModule::ProgramObjectManager.release(ProgramName); +// void RenderableSatellites::deinitializeGL() { +// SpaceModule::ProgramObjectManager.release(ProgramName); - glDeleteBuffers(1, &_vertexBuffer); - glDeleteBuffers(1, &_indexBuffer); - glDeleteVertexArrays(1, &_vertexArray); -} +// glDeleteBuffers(1, &_vertexBuffer); +// glDeleteBuffers(1, &_indexBuffer); +// glDeleteVertexArrays(1, &_vertexArray); +// } -bool RenderableSatellites::isReady() const { - return true; -} +// bool RenderableSatellites::isReady() const { +// return true; +// } -void RenderableSatellites::update(const UpdateData&) {} +// void RenderableSatellites::update(const UpdateData&) {} -void RenderableSatellites::render(const RenderData& data, RendererTasks&) { - _programObject->activate(); - _programObject->setUniform(_uniformCache.opacity, _opacity); +// void RenderableSatellites::render(const RenderData& data, RendererTasks&) { +// _programObject->activate(); +// _programObject->setUniform(_uniformCache.opacity, _opacity); - glm::dmat4 modelTransform = - glm::translate(glm::dmat4(1.0), data.modelTransform.translation) * - glm::dmat4(data.modelTransform.rotation) * - glm::scale(glm::dmat4(1.0), glm::dvec3(data.modelTransform.scale)); +// glm::dmat4 modelTransform = +// glm::translate(glm::dmat4(1.0), data.modelTransform.translation) * +// glm::dmat4(data.modelTransform.rotation) * +// glm::scale(glm::dmat4(1.0), glm::dvec3(data.modelTransform.scale)); - _programObject->setUniform( - _uniformCache.modelView, - data.camera.combinedViewMatrix() * modelTransform - ); +// _programObject->setUniform( +// _uniformCache.modelView, +// data.camera.combinedViewMatrix() * modelTransform +// ); - _programObject->setUniform(_uniformCache.projection, data.camera.projectionMatrix()); - _programObject->setUniform(_uniformCache.color, _appearance.lineColor); - //_programObject->setUniform(_uniformCache.useLineFade, _appearance.useLineFade); +// _programObject->setUniform(_uniformCache.projection, data.camera.projectionMatrix()); +// _programObject->setUniform(_uniformCache.color, _appearance.lineColor); +// //_programObject->setUniform(_uniformCache.useLineFade, _appearance.useLineFade); - /*if (_appearance.useLineFade) { - _programObject->setUniform(_uniformCache.lineFade, _appearance.lineFade); - }*/ +// /*if (_appearance.useLineFade) { +// _programObject->setUniform(_uniformCache.lineFade, _appearance.lineFade); +// }*/ - glDepthMask(false); - //glBlendFunc(GL_SRC_ALPHA, GL_ONE); +// glDepthMask(false); +// //glBlendFunc(GL_SRC_ALPHA, GL_ONE); - glBindVertexArray(_vertexArray); - glDrawElements(GL_LINES, - static_cast(_indexBufferData.size()), - GL_UNSIGNED_INT, - 0); - glBindVertexArray(0); - _programObject->deactivate(); -} +// glBindVertexArray(_vertexArray); +// glDrawElements(GL_LINES, +// static_cast(_indexBufferData.size()), +// GL_UNSIGNED_INT, +// 0); +// glBindVertexArray(0); +// _programObject->deactivate(); +// } -void RenderableSatellites::updateBuffers() { - const size_t nVerticesPerOrbit = _nSegments + 1; - _vertexBufferData.resize(_orbits.size() * nVerticesPerOrbit); - _indexBufferData.resize(_orbits.size() * _nSegments * 2); +// void RenderableSatellites::updateBuffers() { +// const size_t nVerticesPerOrbit = _nSegments + 1; +// _vertexBufferData.resize(_orbits.size() * nVerticesPerOrbit); +// _indexBufferData.resize(_orbits.size() * _nSegments * 2); - size_t orbitIndex = 0; - size_t elementIndex = 0; - for (const auto& orbit : _orbits) { - KeplerTranslation keplerTranslation(orbit); - const double period = orbit.period(); - for (size_t i = 0; i <= _nSegments; ++i) { - size_t index = orbitIndex * nVerticesPerOrbit + i; +// size_t orbitIndex = 0; +// size_t elementIndex = 0; +// for (const auto& orbit : _orbits) { +// KeplerTranslation keplerTranslation(orbit); +// const double period = orbit.period(); +// for (size_t i = 0; i <= _nSegments; ++i) { +// size_t index = orbitIndex * nVerticesPerOrbit + i; - double timeOffset = period * - static_cast(i) / static_cast(_nSegments); - glm::vec3 position = - keplerTranslation.position(Time(orbit.epoch + timeOffset)); +// double timeOffset = period * +// static_cast(i) / static_cast(_nSegments); +// glm::vec3 position = +// keplerTranslation.position(Time(orbit.epoch + timeOffset)); - _vertexBufferData[index].x = position.x; - _vertexBufferData[index].y = position.y; - _vertexBufferData[index].z = position.z; - _vertexBufferData[index].time = timeOffset; - if (i > 0) { - _indexBufferData[elementIndex++] = static_cast(index) - 1; - _indexBufferData[elementIndex++] = static_cast(index); - } - } - ++orbitIndex; - } +// _vertexBufferData[index].x = position.x; +// _vertexBufferData[index].y = position.y; +// _vertexBufferData[index].z = position.z; +// _vertexBufferData[index].time = timeOffset; +// if (i > 0) { +// _indexBufferData[elementIndex++] = static_cast(index) - 1; +// _indexBufferData[elementIndex++] = static_cast(index); +// } +// } +// ++orbitIndex; +// } - glBindVertexArray(_vertexArray); +// glBindVertexArray(_vertexArray); - glBindBuffer(GL_ARRAY_BUFFER, _vertexBuffer); - glBufferData(GL_ARRAY_BUFFER, - _vertexBufferData.size() * sizeof(TrailVBOLayout), - _vertexBufferData.data(), - GL_STATIC_DRAW - ); +// glBindBuffer(GL_ARRAY_BUFFER, _vertexBuffer); +// glBufferData(GL_ARRAY_BUFFER, +// _vertexBufferData.size() * sizeof(TrailVBOLayout), +// _vertexBufferData.data(), +// GL_STATIC_DRAW +// ); - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _indexBuffer); - glBufferData(GL_ELEMENT_ARRAY_BUFFER, - _indexBufferData.size() * sizeof(int), - _indexBufferData.data(), - GL_STATIC_DRAW - ); +// glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _indexBuffer); +// glBufferData(GL_ELEMENT_ARRAY_BUFFER, +// _indexBufferData.size() * sizeof(int), +// _indexBufferData.data(), +// GL_STATIC_DRAW +// ); - glBindVertexArray(0); -} +// glBindVertexArray(0); +// } -void RenderableSatellites::readFromCsvFile() { - std::vector columns = { - _eccentricityColumnName, - _semiMajorAxisColumnName, - _inclinationColumnName, - _ascendingNodeColumnName, - _argumentOfPeriapsisColumnName, - _meanAnomalyAtEpochColumnName, - _epochColumnName, - }; +// void RenderableSatellites::readFromCsvFile() { +// std::vector columns = { +// _eccentricityColumnName, +// _semiMajorAxisColumnName, +// _inclinationColumnName, +// _ascendingNodeColumnName, +// _argumentOfPeriapsisColumnName, +// _meanAnomalyAtEpochColumnName, +// _epochColumnName, +// }; - std::vector> data = - ghoul::loadCSVFile(_path, columns, false); +// std::vector> data = +// ghoul::loadCSVFile(_path, columns, false); - _orbits.resize(data.size()); +// _orbits.resize(data.size()); - size_t i = 0; - for (const std::vector& line : data) { - _orbits[i++] = KeplerTranslation::KeplerOrbit{ - std::stof(line[0]), - _semiMajorAxisUnit * std::stof(line[1]) / 1000.0, - std::stof(line[2]), - std::stof(line[3]), - std::stof(line[4]), - std::stof(line[5]), - std::stof(line[6]) - }; - } -} +// size_t i = 0; +// for (const std::vector& line : data) { +// _orbits[i++] = KeplerTranslation::KeplerOrbit{ +// std::stof(line[0]), +// _semiMajorAxisUnit * std::stof(line[1]) / 1000.0, +// std::stof(line[2]), +// std::stof(line[3]), +// std::stof(line[4]), +// std::stof(line[5]), +// std::stof(line[6]) +// }; +// } +// } -} +// } diff --git a/modules/space/spacemodule.cpp b/modules/space/spacemodule.cpp index ffbbd2843d..43e18d3783 100644 --- a/modules/space/spacemodule.cpp +++ b/modules/space/spacemodule.cpp @@ -29,7 +29,7 @@ #include #include #include -// #include +#include #include #include #include @@ -81,7 +81,7 @@ void SpaceModule::internalInitialize(const ghoul::Dictionary&) { fRenderable->registerClass("RenderablePlanet"); fRenderable->registerClass("RenderableRings"); fRenderable->registerClass("RenderableStars"); - // fRenderable->registerClass("ElonsTest"); + fRenderable->registerClass("ElonsTest"); auto fTranslation = FactoryManager::ref().factory(); ghoul_assert(fTranslation, "Ephemeris factory was not created"); @@ -111,6 +111,7 @@ std::vector SpaceModule::documentations() const { RenderablePlanet::Documentation(), RenderableRings::Documentation(), RenderableStars::Documentation(), + ElonsTest::Documentation(), SpiceRotation::Documentation(), SpiceTranslation::Documentation(), KeplerTranslation::Documentation(), diff --git a/modules/space/translation/keplertranslation.h b/modules/space/translation/keplertranslation.h index f357e297bc..4742b78877 100644 --- a/modules/space/translation/keplertranslation.h +++ b/modules/space/translation/keplertranslation.h @@ -97,11 +97,7 @@ public: * be passed to the constructor */ static documentation::Documentation Documentation(); - -protected: - /// Default construct that initializes all the properties and member variables - KeplerTranslation(); - + /** * Sets the internal values for the Keplerian elements and the epoch as a string of * the form YYYY MM DD HH:mm:ss. @@ -143,6 +139,12 @@ protected: void setKeplerElements(double eccentricity, double semiMajorAxis, double inclination, double ascendingNode, double argumentOfPeriapsis, double meanAnomalyAtEpoch, double orbitalPeriod, double epoch); + + /// Default construct that initializes all the properties and member variables + KeplerTranslation(); + +protected: + private: /// Recombutes the rotation matrix used in the update method