chandrayaan-1 pds data products archival generation and …...chandrayaan-1, india’s first mission...
TRANSCRIPT
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Chandrayaan-1 PDS Data Products Archival Generation
and Browse
By
Ajay Kumar Prashar
HRDPD/SIPG
Chandrayaan-1 SAC Data Processing Team
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Contents
• ISDA (ISRO Science Data Archive) Overview• PDS (Planetary Data System) Overview• Mission & instrument Overview• Archive Process• Data Products Definitions• Data Products Archive Generation• Archive Organization : Mission & Instrument level• Visualizations of PDS Data Products
(Ch1PDSViewer/NASAVIEW/USGS-ISIS)• Chandrayaan-1 Browse Application
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ISDA – Overview
Central repository for all scientific and engineering data returned by ISRO’s planetary missions
Established at Indian Space Science Data Centre (ISSDC) Bangalore - in 2008.
ISDA archives data sets from following missions: Chandrayaan-1 Mars Orbiter Mission Astrosat Chandrayaan-2 (Future)
ISDA adopted PDS as archive standard for generating mission & instrument specific data sets for the scientific user community
ISDA provides international collaboration with IPDA (International Planetary Data Alliance)
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PDS - Overview
Well known Archive standard for all the NASA planetary missions in the scientific user community.
Adopted by ESA, JAXA and other space agencies across globe.
Features of PDS Self structured, documented &
Peer Review Data Sets Long-term access and usability
of data ISRO had also adopted PDS3 for
following missions Chandrayaan-1 Mars Orbiter Mission.
ISRO will adopt PDS4 for Chandrayaan-2 and continue PDS4 for future planetary missions.
PDS Home Page (http://pds.nasa.gov)
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Mission & Instruments – Overview Chandrayaan-1, India’s first mission to Moon, was launched successfully
on 22 October 2008 from SDSC SHAR, Sriharikota. Spacecraft was orbiting around Moon at a height of 100 km from the
lunar surface for chemical, mineralogical and photo-geologic mapping of the Moon.
Spacecraft carried 11 scientific instruments built in India, USA, UK,Germany, Sweden and Bulgaria.
Satellite made more than 3400 orbits around the moon. Mission duration : Nov. 2008 to Aug. 2009. Instruments:
Terrain Mapping Camera (TMC) Hyper Spectral Imager (HySI) Lunar Laser Ranging Instrument (LLRI) High Energy X-ray Spectrometer (HEX) Moon Impact Probe (MIP) Chandrayaan-1 X-ray Spectrometer (C1XS) Near Infrared Spectrometer (SIR-2) Sub Kev Atom Reflecting Analyzer (SARA) Miniature Synthetic Aperture Radar (Mini SAR) Moon Mineralogy Mapper (M3) Radiation Dose Monitor (RADOM)
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Archive ProcessSr.No.
Steps Activity Involved
1. Orientation
Analyzed PDS requirement for Data by studying missionsthat have archived Mars Data in PDS
2. Archive Planning
Deciding what to archive, when, and generally how.Document Preparation- Archive Plan- Archive Conventions
3. Archive Design
Learning the details of putting an archive data settogether.
EAICD Document Preparation- EAICDs for TMC and HySI
4. Software Development Implement and Test the data and Volume
Design, Development, Testing and Operationalization ofCH1 PDS Data Archive Pipeline Software
5. Dataset Assembly and Validation
Pulling the pieces together
6. Data Set Review
PDS Data Sets quality check
7. Delivery Distributes Peer Reviewed data to the scientific users
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Data Products DefinitionsPayload Type Products
TMC
ISRO LEVEL-0
CODMAC LEVEL 2Raw payload data along with the ancillary information, which includes ephemeris, attitude and rates. This
level of processing includes data qualification, byte alignment, data decompression and time tagging. Also the
data is given along with the calibration information for radiometry. The pixel values are given in terms of
counts, with a model to convert in to radiance. Data from all the three views (AFT, NADIR and FORE) are
considered individually as well as together for processing.
ISRO LEVEL-1
CODMAC LEVEL 3
Radiometrically calibrated/corrected and geometrically mapped products. The processing includes detector
response normalization, framing, line/pixel loss correction and tagging the selenographic coordinate to each
pixel. The pixel values are given in terms of radiances, with a model to convert in to counts. Here again data
from all the three views (AFT, NADIR and FORE) are considered individually as well as together for processing.
HySI ISRO LEVEL-0
CODMAC
LEVEL 2
Band separated raw payload data along with the ancillary information, which includes ephemeris, attitude
and rates. This level of processing includes data qualification, byte alignment and time tagging. Also the data
is given along with the calibration information for radiometry. The pixel values are given in terms of counts,
with a model to convert in to radiance.
ISRO LEVEL-1A
CODMAC LEVEL 3
Band separated radiometrically calibrated/corrected and geometrically mapped products. The processingincludes detector response normalization, framing, line/pixel loss correction and tagging the selenographiccoordinate to each pixel. The pixel values are given in terms of radiances, with a model to convert in to counts
ISRO LEVEL-1B
CODMAC LEVEL4 Same as Level ‘1a’. Band to band registration applied additionally in this level, which needs resampling
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Data Products Formats & Label StructureInstrument ID
Instrument Output
PDS Primary Data Products
PDS Secondary Data Products
TMC Three Raw grayscale images of Moon surface
Count & Radiance (IMAGE)
Browse (BROWSE_IMAGE)Geometry -Grid data(TABLE)
HySI Band wise images of Moon (64 Bands)
Count & RadianceSPECTRAL QUBE
Browse (BROWSE_IMAGE)Geometry -Grid data(TABLE)
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Data Products Archive GenerationTMC (Level 0 Raw Data)& Ancillary Information
Ch1 PDS Generator
TMC Level 2 (ISRO Level 0)
EDR PDS
HYSI (Level 0 Raw Data)& Ancillary Information
TMC Level 3 (ISRO Level 1)
RDR PDS
HYSI Level 2 (ISRO Level 0)
EDR PDS
HYSI Level 3 (ISRO Level 1a)
RDR PDS
HYSI Level 4 (ISRO Level 1b) REFDR
PDS
Ch1 PDS Verifier
Ch1 PDS Archival
Radiometric Correction
SelenoTagger
Band to Band Registration (For HySI)
DPGS Scheduler
PDS Archive Pipeline
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Archive Organization : Mission Level
Archive
*NPO*PLSP *LEOP *LTMC *TPO*LCPT
TMC HYSI LLRI HEX C1XS Mini-SAR SIR-2 RADOM M3 SARA MIP
* Mission PhasesPLSP – Pre-launch Simulation PhaseLEOP – Launch and Early Orbit PhaseLTMC – Lunar transfer Trajectory and Midcourse corrections LCPT – Lunar Capture PhaseNPO – Normal Phase OperationsTPO – Terminal Phase Operations
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Archive Organization : Instrument Level
CH1ORB-L-TMC-3-NPO-RDR-FULL-RES-V1.0
EXTRASDATA DOCUMENT CATALOGSOFTWARE
INDEX
AAREADME.TXT
VOLDESC.CAT
EXTRINFO.TXT
INDXINFO.TXT
INDEX.TAB
INDEX.TAB
DOCINFO.TXT
TMC_HYSI_EAICD.PDF
TMC_HYSI_EAICD.LBL CATINFO.TXT
MISSION.CAT
INSTHOST.CAT
INST.CAT
DATASET.CAT
PERSON.CAT
REF.CATORBIT_00000
TMC FORE IMAGE FILE
SOFT.CAT
DATAINFO.TXT
ORBIT_00000_TO_00099 ORBIT_mmmmm_TO_nnnnn
VOLINFO.TXT
ORBIT_00001
ORBIT_00100_TO_00199
ORBIT_00099
TMC FORE LABEL FILE
TMC AFT IMAGE FILE
TMC AFT LABEL FILE
TMC NADIR IMAGE FILE
TMC NADIR LABEL FILE
ORBIT_00000_TO_00099
ORBIT_mmmmm_TO_nnn
nn
ORBIT_00000 ORBIT_00099
SUN PARAMETER (SPM) FILE
ORBIT & ATTITUDE (OAT) FILE
LIBERATION (LBR) FILE
CH1_PDSGEN.PDF
CH1_PDSGEN.LBL
SOFTINFO.TXT
CH1PDSVIEWER_SOFT.ZIP
CH1PDSVIEWER_SOFT.LBL
BROWSE_INDEX.TAB
BROWSE_INDEX.LBL
GEOMETRY_INDEX.TAB
GEOMETRY_INDEX.LBL
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Archive Organization : Instrument Level
CH1ORB-L-TMC-3-NPO-RDR-FULL-RES-V1.0
GEOMETRY
ORBIT_00000
TMC FORE GRID FILE
GEOINFO.TXT
ORBIT_00000_TO_00099 ORBIT_mmmmm_TO_nnnnn
ORBIT_00001
ORBIT_00100_TO_00199
ORBIT_00099
TMC FORE GRID LABEL FILE
TMC AFT GRID FILE
TMC AFT GRID LABEL FILE
TMC NADIR GRID FILE
TMC NADIR GRID LABEL FILE
BROWSE
ORBIT_00000
BRWSINFO.TXT
ORBIT_00000_TO_00099
ORBIT_mmmmm_TO_nnnnn
ORBIT_00001
ORBIT_00100_TO_00199
ORBIT_00099
TMC FORE BROWSE FILE
TMC FORE BROWSE LABEL FILE
TMC AFT BROWSE FILE
TMC NADIR BROWSE FILE
TMC NADIR BROWSE LABEL FILE
TMC AFT BROWSE LABEL FILE
CALIB
CALINFO.TXT
TMC_NRF_SR.TAB
TMC_NRF_SR.LBL
TMC_NRA_SR.TAB
TMC_NRA_SR.LBL
TMC_NRN_SR.TAB
TMC_NRN_SR.LBL
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Archive Organization : Instrument Level
CH1ORB-L-HYSI-4-NPO-REFDR-FULL-RES-V1.0
EXTRASDATA DOCUMENT CATALOGSOFTWARE
INDEX
AAREADME.TXT
VOLDESC.CAT
EXTRINFO.TXT
INDXINFO.TXT
INDEX.TAB
INDEX.LBLDOCINFO.TXT
TMC_HYSI_EAICD.PDF
TMC_HYSI_EAICD.LBLCATINFO.TXT
MISSION.CAT
INSTHOST.CAT
INST.CAT
DATASET.CAT
PERSON.CAT
REF.CAT
SOFTINFO.TXT
ORBIT_00000
SOFT.CAT
DATAINFO.TXT
ORBIT_00000_TO_00099 ORBIT_mmmmm_TO_nnnnn
VOLINFO.TXT
ORBIT_00001
ORBIT_00100_TO_00199
ORBIT_00099
ORBIT_00000_TO_00099
ORBIT_mmmmm_TO_nnn
nn
ORBIT_00000 ORBIT_00099
SUN PARAMETER (SPM) FILE
ORBIT & ATTITUDE (OAT) FILE
LIBERATION (LBR) FILE
CH1_PDSGEN.PDF
CH1_PDSGEN.LBL
CH1PDSVIEWER_SOFT.ZIP
CH1PDSVIEWER_SOFT.LBL
LABEL
LBLINFO.TXT
BAND_BIN.FMT
HYSI QUBE IMAGE FILE
HYSI QUBE LABEL FILE
BROWSE_INDEX.TAB
GEOMETRY_INDEX.LBL
BROWSE_INDEX.LBL
GEOMETRY_INDEX.TAB
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Archive Organization : Instrument Level
CH1ORB-L-HYSI-4-NPO-REFDR-FULL-RES-V1.0
GEOMETRY
ORBIT_00000
HYSI GRID FILES(BAND No. 32)
GEOINFO.TXT
ORBIT_00000_TO_00099 ORBIT_mmmmm_TO_nnnnn
ORBIT_00001
ORBIT_00100_TO_00199
ORBIT_00099
BROWSE
ORBIT_00000
BRWSINFO.TXT
ORBIT_00000_TO_00099
ORBIT_mmmmm_TO_nnnnn
ORBIT_00001
ORBIT_00100_TO_00199
ORBIT_00099
CALIB
CALINFO.TXT
HYS_NR_RDN_NRML.TAB
HYS_NR_RDN_NRML.LBL
HYS_NR_RDN_CAL.TAB
HYS_NR_RDN_CAL.LBL
HYS_NR_RDN_SPC.TAB
HYS_NR_RDN_SPC.LBL
HYSI LABEL FILE (Band No. 32)
HYSI BANDWISE (1..64) BROWSE FILES
HYSI BANDWISE (1..64) BROWSE FILES
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Visualization of TMC & HySI PDS Data ProductsCh1 PDS Viewer
TMC Data Product
HySI Data Product
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Visualization of TMC PDS Data Products - NASAVIEW
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Visualization of HySI PDS Data Products - NASAVIEW
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Visualization of TMC & HySI PDS Data ProductsUSGS-ISIS
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Chandrayaan-1 Browse Application
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Chandrayaan-1 Browse Data Download
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Chandrayaan-1 TMC DEM Search Output
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Globe View TMC MOSAIC
HYSI FIRST SEASON WITH CLEMENTINE BACKGROUND
M3 FIRST SEASON
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TMC Coverage Plots
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HYSI Coverage Plots
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TMC Image Plots
0°
TMC NEAR SIDE COVERAGE TMC 90 degree EAST COVERAGE
TMC FAR SIDE COVERAGE TMC 90 degree WEST COVERAGE
90°0°
180°270°
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For Chandrayaan-1 Data Access : -www.issdc.gov.in/CHBrowse/index.jsp
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Thank You