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DOI-USGS / ISIS3

Integrated Software for Imagers and Spectrometers v3. ISIS3 is a digital image processing software package to manipulate imagery collected by current and past NASA and International planetary missions.
https://isis.astrogeology.usgs.gov
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voycal error #5254

Closed cneish closed 1 year ago

cneish commented 1 year ago

ISIS version(s) affected: 6.0.0 (on an Apple M1 Pro)

Description

I am trying to calibrate a Voyager 2 NAC image of Neptune (c1124426.imq). I ran "voy2isis" with no problems and produced a .cub file (which looks correct when I open it in qview). When I try to calibrate it:

voycal from=c1124426.imq.cub to=c1124426.imq.cal.cub

I get the following error message:

ERROR Unable to initialize camera model in Camera Factory. ERROR PVL Keyword [TargetPosition] does not exist in [Group = Kernels].

I have the voyager2 data installed in $ISISDATA. The "Group = Kernels" for this image states:

Group = Kernels NaifFrameCode = -32101 End_Group

Clearly, "TargetPosition" is missing, but I'm not sure how to add that information in. Any ideas? The full header is pasted below.

Thanks, Catherine

Object = IsisCube Object = Core StartByte = 65537 Format = Tile TileSamples = 800 TileLines = 800

Group = Dimensions
  Samples = 800
  Lines   = 800
  Bands   = 1
End_Group

Group = Pixels
  Type       = UnsignedByte
  ByteOrder  = Lsb
  Base       = 0.0
  Multiplier = 1.0
End_Group

End_Object

Group = Instrument SpacecraftClockCount = 1124426 SpacecraftName = VOYAGER_2 TargetName = Neptune StartTime = 1989-08-20T07:15:09 InstrumentId = NARROW_ANGLE_CAMERA ScanModeId = 5:1 ShutterModeId = BOTSIM GainModeId = LOW EditModeId = 1:1 ExposureDuration = 23.0400 CameraState1 = 5 CameraState2 = 0 End_Group

Group = Archive MissionPhaseName = NEPTUNE_ENCOUNTER ProductId = 0242N2-005 End_Group

Group = BandBin FilterName = ORANGE FilterNumber = 3 Center = 0.615000 Width = 0.050000 End_Group

Group = Kernels NaifFrameCode = -32101 End_Group End_Object

Object = Label Bytes = 65536 End_Object

Object = History Name = IsisCube StartByte = 705537 Bytes = 479 End_Object

Object = OriginalLabel Name = IsisCube StartByte = 706016 Bytes = 2019 End_Object End

acpaquette commented 1 year ago

@cneish Some instruments require that you run spiceinit on them before calibration as they need to know about things like TargetPosition. Try running spiceinit from=c1124426.imq.cub, that should populate your kernels group with the expected keyword.

cneish commented 1 year ago

Yes, that worked! Thank you.

acpaquette commented 1 year ago

Sweet!