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Дата изменения: Tue Sep 15 02:25:39 2015
Дата индексирования: Sun Apr 10 05:14:16 2016
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Поисковые слова: m 11
lsst.tcc: tcc.axis.ptCorrFromObs Namespace Reference
lsst.tcc  1.2.2-3-g89ecb63
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Functions | Variables
tcc.axis.ptCorrFromObs Namespace Reference

Functions

def ptCorrFromObs
 Compute pointing correction position from observed coordinates. More...
 

Variables

list __all__ = ["ptCorrFromObs"]
 

Function Documentation

def tcc.axis.ptCorrFromObs.ptCorrFromObs (   targObs,
  obj,
  inst,
  taiDate 
)

Compute pointing correction position from observed coordinates.

Parameters
[in]targObsposition of target in observed coordinates (a coordConv.PVTCoord)
[in]objthe object block; the following fields are read:
  • objInstXY
  • obsPos
  • objAzInstAng
[in]instthe instrument block; the following fields are read:
  • rot_inst_xy
  • rot_inst_ang
[in]taiDateTAI date at which to compute (MJD, sec)
Returns
a tuple:
  • targPtCorrXY: position of target in pointing correction coordinates (a tcc.base.ArrayPVT2) (deg) i.e. a position in rotator coordinates where X is the direction of increasing azimuth
  • targAzPtCorrAng: angle of direction of increasing azimuth at target in ptCorr coordinates (a coordConv.PVT). Warning: do not use this angle to adjust the direction of your pointing correction; pointing correction should be applied using the orientation at the center of the ptCorr frame.

Definition at line 10 of file ptCorrFromObs.py.

Variable Documentation

list tcc.axis.ptCorrFromObs.__all__ = ["ptCorrFromObs"]

Definition at line 8 of file ptCorrFromObs.py.