[GRASS-dev] [GRASS GIS] #3443: Weird output of 'i.atcorr' in WorldView2 red channel (band 5)

[GRASS GIS]

#3443: Weird output of 'i.atcorr' in WorldView2 red channel (band 5)
----------------------+---------------------------------------------
  Reporter:  ppina    |      Owner:  grass-dev@…
      Type:  defect   |     Status:  new
  Priority:  normal   |  Milestone:
 Component:  Default  |    Version:  7.2.2
Resolution:           |   Keywords:  i.atcorr, WorldView2 - red band
       CPU:  x86-32   |   Platform:  MSWindows 7
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Comment (by neteler):

 We ave implemented the filter functions provided here:

 https://apollomapping.com/blog/new-documents-atmospheric-correction-
 digitalglobe-satellites-2

 I just converted them once more and the resulting curves are the same. For
 the CSV files implemented, see
 https://trac.osgeo.org/grass/browser/grass/branches/releasebranch_7_2/imagery/i.atcorr/sensors_csv

 Question: You speak about band 5 = red. However, the filter functions are
 ordered as this:

 {{{
 1       2       3       4       5       6       7       8         9
 Pan     Blue    Green   Red     NIR1    Coastal Yellow  Red Edge  NIR2
 }}}

 i.e. the 5th band is NIR1. May that be the reason (wrong band number)?

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Ticket URL: <https://trac.osgeo.org/grass/ticket/3443#comment:1>
GRASS GIS <https://grass.osgeo.org>