Dear All-
I have been following the cookbook process for preparing raw NTFs 
of Worldview 2 and QuickBird2 but have run into a problem.   
http://otbcb.readthedocs.org/en/latest/recipes/optpreproc.html 

C:\>otbcli_OpticalCalibration -in C:\test\QB\TestQB02-M1BS.NTF -out 
C:\test\QB02-M1BS.tif -level toc
2015 Feb 19 08:26:04  :  Application.logger  (INFO)
File: C:\test\QB02-M1BS.NTF
Sensor unknown!
Additional parameters are necessary, please provide them (cf. 
documentation)!
ERROR: Missing mandatory parameter: acqui.gainbias  0
ERROR: Troubles loading parameter, please check your line argument...

Ossim does not recognize the sensor type and will not allow 
OpticalCalibration or assign the correct RPC for Orthorectification. 
I have checked otbcli_ReadImageInfo and the sensor type is blank with the 
generic type.

numberbands: 4
sensor:
id:
time:
type: ossimRpcModel. 

 However, using GDALINFO, the sensor type is recognized:

NITF_ISORCE=QB02
NITF_PIAIMC_SENSNAME=QB02
NITF_STDIDC_MISSION=QB02

The images are NTF with the tar file containing the IMD, TIL, and the rest 
of the metadata. I have also extracted the IMD and TIL to the same folder 
as the NTF and renamed to match but the sensor type still isn't read. 
 
I'm hoping this is an easy fix on my end since its happening with all of my 
NTFs.
 
Thanks everyone-

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