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| Paper: |
The High Level Data Reduction Library |
| Volume: |
522, Astronomical Data Analysis Software and Systems XXVII |
| Page: |
631 |
| Authors: |
Gabasch, A.; Modigliani, A.; Salmistraro, M.; Escartin, J. A.; Neeser, M. J.; Moehler, S.; Freudling, W. |
| Abstract: |
The European Southern Observatory (ESO) provides pipelines to reduce
data for most of the Very Large Telescopes (VLT) instruments. In
order to reduce the cost of development, verification, and
maintenance of ESO pipelines, and at the same time to improve the
scientific quality of pipelines data products, ESO has decided to
develop a limited set of versatile high-level scientific functions
that are to be used in all future pipelines. These routines are
provided by the High-level Data Reduction Library (HDRL). Currently
HDRL implements algorithms for over- and pre-scan computation and
correction, frame stacking, detection of bad pixels and cosmic rays,
Strehl ratio computation, master-fringe computation and correction,
object detection and catalogue generation, spectral response and
efficiency computation, differential atmospheric refraction
correction, and effective airmass calculation. HDRL adopts
consistent function naming conventions, a well-defined API, error
propagation, pixel quality information, and employs OpenMP to take
advantage of multi-core processors. All HDRL routines are verified
with extensive unit and regression tests and, together with a
detailed user manual, distributed to the pipeline developers of the
various instrument consortia. |
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