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CPL - Status & Plans

CPL - Status & Plans. Klaus Banse. CPL - Status & Plans. CPL the past the present the future. CPL – the past. CPL project started in Sept. 2001 first release of library, CPL 1.0, in Dec. 2003 since then one major and one patch release per year

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CPL - Status & Plans

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  1. CPL - Status & Plans Klaus Banse

  2. CPL - Status & Plans • CPL • the past • the present • the future

  3. CPL – the past • CPL project started in Sept. 2001 • first release of library, CPL 1.0, in Dec. 2003 • since then one major and one patch release per year • CPL was developed to provide the basic, commonly • needed components for VLT/VLTI instrument pipelines, • to be used by ESO and instrument consortia

  4. CPL – the past • advantages for ESO, consortia • standardize process of building pipelines • speed up development of pipelines • reduce maintenance load • further advantages for consortia • standardized interface to the DFS environment • start with existing, tested basic framework for pipelines • get pipelines with same look and feel

  5. CPL – the present • Library written in C • using an object oriented design • installation following the Linux standard • Supported on • Linux (from glibc 2.1 on) • HP-UX 11 • Solaris 8 • Pipeline applications (recipes) written as plugins • integrated as shared libraries for a general execution module • Gasgano (GUI), EsoRex (command line tool)

  6. CPL – the present

  7. CPL – the present CPL libcplgasgano cpldfs cpldrs cplui cplcore

  8. CPL – the present ref. page for CPL documentation, download, links, contacts www.eso.org/observing/cpl

  9. CPL – the present • releases of CPL are synchronized with the pipeline releases • (in October), patch releases produced as needed • current version – CPL 3.1 (released in March 2007) • mature, stable library • supports 14 pipelines (on Paranal, La Silla) • AMBER, CRIRES, GIRAFFE, ISAAC, NACO • MIDI, SINFONI, SOFI, VIMOS, VISIR, UVES • FORS 1/2, FLAMES-UVES

  10. CPL – the future • Next release will be CPL 4.0 in October 2007 • planned new features • switch from QFITS to CFITSIO as FITS I/O library • include sub-library for WCS (from VISTA, based on wcslib) • additional support for e.g. error handling, strings, data cubes, data type conversion • internal improvements (efficiency, speed)

  11. CPL – the future • Planned evolution of CPL • keep CPL stable • predictable release cycle • avoid API changes as much as possible • continue work on portability to other platforms • Mac OS, Linux on 64 bit architectures • CPL, (some) pipelines already running • Support(for above) currently discussed internally in ESO

  12. CPL – the future • Planned evolution of CPL (cont) • include new functionality if needed commonly by • VLT/VLTI instrument pipelines • internal mechanism to migrate new functionality into CPL • mainly (but not limited to) • cpldfs • cpldrs

  13. CPL – the future • Planned evolution of CPL (cont) • No interactive data analysis and reduction system for the general user • no display, graphics capabilities • No attempt to replace existing scientific libraries • Only core imaging functions

  14. CPL – the future • Planned evolution of CPL (cont) • No interactive data analysis and reduction system for the general user • no display, graphics capabilities • No attempt to replace existing scientific libraries • Only core imaging functions

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