[GRASS-dev] [GRASS GIS] #2048: i.pansharpen limited to 8-bit imagery

[GRASS GIS]

#2048: i.pansharpen limited to 8-bit imagery
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  Reporter:  Nikos       |      Owner:  grass-dev@…
  Alexandris             |
      Type:  defect      |     Status:  new
  Priority:  normal      |  Milestone:  7.6.1
 Component:  Imagery     |    Version:  svn-trunk
Resolution:              |   Keywords:  i.pansharpen, sharpening, fusion,
                         |  brovey, ihs, pca, 8-bit
       CPU:  All         |   Platform:  Unspecified
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Comment (by cmbarton):

 Niko, I'm not sure that much of the code--or assumptions underlying the
 pan sharpening--would work or make sense for bit depth <8.

 I can check of course. The main reason to have user input for bit depth is
 to be able to calculate the potential raster value range to rescale to 8
 bit for processing. This still assumes an integer raster rather than a
 floating point one.

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Ticket URL: <https://trac.osgeo.org/grass/ticket/2048#comment:31>
GRASS GIS <https://grass.osgeo.org>