ISOCAM Interactive Analysis User's Manual Version 5.0 - ISO - ESA

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180 CHAPTER 15. CIA DATA STRUCTURE HIGH-LEVEL ARCHITECTURE 15.5 Prepared Data Structure (PDS) The PDS was designed for convenience: to neatly hold all the data that you need for calibration (see Chapter 13 and Chapter 20) in one structure. However, as described in Section 13.1.1 there is a cost for such convenience. Because of individual differences between AOTs, four distinct PDSs currently exist: a raster PDS, a CVF PDS, a BS PDS and a general PDS. As might be expected the first three are specific to a raster, CVF and beam-switch observation respectively. The latter is a multi-purpose PDS. The routines get sscdraster, get sscdcvf, get sscdbs and get sscdstruct are used to create the appropriate PDS from an SSCD containing sliced SPD SCDs. In the following sections (Sections 15.5.1, 15.5.2, 15.5.3 and 15.5.4) each of the PDSs are described. Tables listing the fields and substructures of the PDS are given and where appropriate a reference to where you may find the original data in the SSCD and SCDs (Sections 15.2.1 to 15.2.5). Note that the PDS differs from other observation data structures, i.e. SSCDs/SCDs and SSADs/SADs, in that it is not accompanied by dedicated CIA manipulation routines. You may treat the PDS like any other IDL structure. 15.5.1 Standard fields of the PDS The fields that are present in all flavours of PDS are listed in the table below, along with a brief description and where appropriate a reference to the SSCD or SCD field where the data originates, or otherwise, the type of the data in the field.
15.5. PREPARED DATA STRUCTURE (PDS) 181 subfield description reference or type .OBSERVER ID of observer Section 15.2.1.3 .TARGET target name Section 15.2.1.3 .TDTOSN TDTOSN number Section 15.2.1.5 .SSCD NAME input SSCD name Section 15.2.1.1 .AOT observation type string – e.g. ‘raster’ .SAD NAME output SAD name Section 15.2.1.1 .NSCD number of SCDs Section 15.2.3.1 .CHANNEL CAM channel Section 15.2.1.8 .FLTRWHL CAM filter wheel Section 15.2.1.10 .WAVELENGTH wavelength of MOSAIC Section 15.2.1.14 .NBR FRAME no. of IMAGES in .CUBE integer .TAB FRAME no. of IMAGES per SCD fltarr(.nscd) .PFOV pixel field of view Section 15.2.1.13 .TINT integration time Section 15.2.1.12 .GAIN gain Section 15.2.1.11 .ADU SEC COEFF normalisation factor (ADU to ADU/gain/sec) - .FROM(i) IMAGEs in .INFO.SCD NAME(i) are: intarr(.nscd) .TO(i) .CUBE(*,*, .FROM(i):.TO(i)) intarr(.nscd) .MASK mask of .CUBE Section 15.2.2.18 .OTF a On Target Flag bytarr(.nbr frames) .RMS RMS error on EXPOSUREs fltarr(32,32,.nscd) .NPIX no. of IMAGE pixels per EXPOSURE pixel fltarr(32,32,.nscd) .CUBE cube of IMAGEs from SCDs Section 15.2.2.12 .CUBE UNIT IMAGE units string .IMAGE cube of EXPOSUREs fltarr(32,32,.nscd) .IMAGE UNIT EXPOSURE units string .DU jitter offsets in spacecraft x-axis Section 15.2.2.19 .DV jitter offsets in spacecraft y-axis Section 15.2.2.19 .UTK Uniform Time Key Section 15.2.2.19 .TABFLATCOEFF b long-term transient compensation factor intarr(.nscd) .BOOTTIME CAM boot-time lonarr(.nbr frame) .TEMPERATURE CAM temperature data fltarr(10,.nbr frame) .DARK DARK used for data calibration fltarr(32,32) .FLAT FLAT used for data calibration fltarr(32,32) .HISTORY info. on PDS creation etc. . . strarr[70] a .OTF is not used by CIA. Information stored in .OTF is propagated into .MASK. Note that the data in .OTF is derived from the OTF and qla flag (see Section 19.6.7). This means that .OTF=0 is bad and .OTF=1 is good. b .TABFLATCOEFF is filled by rel cal – see Chapter 20. 15.5.2 general PDS The general PDS is used for holding data from all observations other than a raster or CVF observation. Its structure is a basic version of the raster PDS and CVF PDS. It has the following substructures and fields: • .CAL-G – see Section 15.5.6. • .CCIM – see Section 15.5.8. • .INFO – See Section 15.5.7. • Standard PDS fields of Section 15.5.1.
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ISOCAM Interactive Analysis User’
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Michael Rupen (NRAO) Jaqui Sam Lone
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vi CONTENTS 8 Polarization observat
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viii CONTENTS 14.4.6 x3d as a calib
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x CONTENTS 19.3 A beam-switch obser
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xii CONTENTS B CIA command short-li
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xiv CONTENTS
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xvi LIST OF FIGURES 14.13The raster
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xviii LIST OF FIGURES
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xx LIST OF TABLES
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2 CHAPTER 1. ABOUT THE CIA USER’S
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4 CHAPTER 2. ABOUT CIA 2.2 System r
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6 CHAPTER 2. ABOUT CIA Figure 2.2:
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8 CHAPTER 2. ABOUT CIA In addition,
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10 CHAPTER 2. ABOUT CIA 2.3.4 Custo
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12 CHAPTER 2. ABOUT CIA LOG Log fil
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14 CHAPTER 2. ABOUT CIA This will p
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16 CHAPTER 2. ABOUT CIA % device, p
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18 CHAPTER 2. ABOUT CIA
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Introduction The Quick Start Guide
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24 CHAPTER 3. RASTER OBSERVATION (C
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32 CHAPTER 4. STARING OBSERVATION (
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34 CHAPTER 4. STARING OBSERVATION (
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36 CHAPTER 5. SOLAR SYSTEM OBJECT O
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42 CHAPTER 6. BEAM-SWITCH OBSERVATI
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48 CHAPTER 7. CVF OBSERVATION (CAM0
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50 CHAPTER 7. CVF OBSERVATION (CAM0
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52 CHAPTER 8. POLARIZATION OBSERVAT
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Introduction The purpose of Part II
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62 CHAPTER 9. THE DATA PRODUCTS AND
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68 CHAPTER 10. FIRST LOOK AT THE DA
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74 CHAPTER 11. INTRODUCTION TO CIA
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76 CHAPTER 11. INTRODUCTION TO CIA
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78 CHAPTER 12. DATA SLICING 3. At t
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80 CHAPTER 12. DATA SLICING CIA> ns
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82 CHAPTER 12. DATA SLICING equal t
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84 CHAPTER 12. DATA SLICING OR CIA>
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86 CHAPTER 12. DATA SLICING 70 16.0
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88 CHAPTER 12. DATA SLICING • Sel
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90 CHAPTER 12. DATA SLICING We sugg
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92 CHAPTER 12. DATA SLICING title d
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94 CHAPTER 12. DATA SLICING • Sel
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96 CHAPTER 13. DATA CALIBRATION 13.
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98 CHAPTER 13. DATA CALIBRATION •
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100 CHAPTER 13. DATA CALIBRATION 13
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104 CHAPTER 13. DATA CALIBRATION Fi
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106 CHAPTER 13. DATA CALIBRATION au
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108 CHAPTER 13. DATA CALIBRATION 2.
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114 CHAPTER 14. IMAGE ANALYSIS AND
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Page 179 and 180: Introduction The purpose of this pa
Page 181 and 182: Chapter 15 CIA data structure high-
Page 183 and 184: 15.2. OBSERVATION DATA STRUCTURES 1
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Page 227 and 228: 18.3. EXPORT FOR ARCHIVING 207 CIA>
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230 CHAPTER 19. ADVANCED SLICING
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232 CHAPTER 20. ADVANCED DATA CALIB
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274 CHAPTER 21. USING SLICE WITHIN
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294 CHAPTER 22. SECOND ORDER CORREC
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296 CHAPTER 22. SECOND ORDER CORREC
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298 CHAPTER 23. X CIA REFERENCE GUI
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306 APPENDIX A. GLOSSARY beam-switc
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308 APPENDIX A. GLOSSARY FITS (data
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310 APPENDIX A. GLOSSARY raster dat
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312 APPENDIX A. GLOSSARY
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314 APPENDIX B. CIA COMMAND SHORT-L
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320 APPENDIX C. THE ISO CD-ROM C.2.
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322 APPENDIX C. THE ISO CD-ROM Vari
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324 APPENDIX D. GUIDELINES FOR WRIT
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326 APPENDIX D. GUIDELINES FOR WRIT
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328 APPENDIX E. ISOCAM ASTROMETRY:
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338 APPENDIX F. WHAT IS NEW IN CIA
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344 APPENDIX G. WARNING MESSAGES IN
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346 APPENDIX H. PATCHED ASTROLIB AN
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348 APPENDIX I. UPGRADING OLD CIA S
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350 APPENDIX I. UPGRADING OLD CIA S
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352 APPENDIX J. REPORTING PROBLEMS
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354 APPENDIX K. TECHNICAL REPORTS S
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356 BIBLIOGRAPHY Okumura K., 1998,
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