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lsst.coordConv
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Документ взят из кэша поисковой машины. Адрес
оригинального документа
: http://www.apo.nmsu.edu/Telescopes/coordConv/html/classcoord_conv_1_1_p_v_t.html
Дата изменения: Thu May 7 21:42:47 2015 Дата индексирования: Sun Apr 10 04:33:28 2016 Кодировка: Поисковые слова: п п п п п п п п п п п п п п п п п п п п п п п п п р п р п р п р п р п р п р п р п р п р п р п р п р п |
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lsst.coordConv
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#include <pvt.h>
Public Member Functions | |
| PVT (double pos, double vel, double t) | |
| PVT () | |
| PVT | copy () const |
| Return a copy. More... | |
| PVT | copy (double t) const |
| Return a copy with a specified time. More... | |
| double | getPos (double t) const |
| Return the position at the specified time; return NaN if unknown. More... | |
| void | invalidate (double t=DoubleNaN) |
| Set PVT invalid at the specified time (which defaults to NaN) More... | |
| bool | isfinite () const |
| Are all values finite? (Does it have finite pos, vel and t)? More... | |
| PVT & | operator+= (PVT const &rhs) |
| PVT & | operator-= (PVT const &rhs) |
| PVT & | operator+= (double const &rhs) |
| PVT & | operator-= (double const &rhs) |
| PVT & | operator*= (double const &rhs) |
| PVT & | operator/= (double const &rhs) |
| PVT | operator+ (PVT const &rhs) const |
| PVT | operator- (PVT const &rhs) const |
| PVT | operator+ (double const &rhs) const |
| PVT | operator- (double const &rhs) const |
| PVT | operator* (double const &rhs) const |
| PVT | operator/ (double const &rhs) const |
| PVT | operator- () const |
| bool | operator== (PVT const &rhs) |
| bool | operator!= (PVT const &rhs) |
| std::string | __repr__ () const |
| void | setFromPair (double const posPair[2], double t, double deltaT, bool isAngle) |
Public Attributes | |
| double | pos |
| double | vel |
| double | t |
Position, velocity and time
Requirements: position is in degrees (though that is only required by setFromPair with isAngle=true). velocity is in degrees/unit of time. However, as used within this package, time is always TAI (MJD, seconds).
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| std::string coordConv::PVT::__repr__ | ( | ) | const |
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Set from a pair of positions or angles computed at different times
| [in] | posPair | pair of positions, where: posPair[0] is computed at time t posPair[1] is computed at time t + deltaT |
| [in] | t | time at which posPair[0] is computed |
| [in] | deltaT | time difference between the two positions |
| [in] | isAngle | if true then posPair values are treated as angles, in degrees, and the resulting velocity is computed using: posPair[1] - posPair[0] wrapped into the range [-180, 180) |
1.8.5
