[GRASS-dev] [GRASS GIS] #2089: i.landsat.toar doesn't take into account the resolution difference between panchromatic and the other bands.

GRASS GIS trac at osgeo.org
Fri Sep 27 09:34:53 PDT 2013


#2089: i.landsat.toar doesn't take into account the resolution difference between
panchromatic and the other bands.
-------------------------+--------------------------------------------------
 Reporter:  vesnikos     |       Owner:  grass-dev@…              
     Type:  defect       |      Status:  new                      
 Priority:  major        |   Milestone:  7.0.0                    
Component:  Imagery      |     Version:  svn-trunk                
 Keywords:               |    Platform:  All                      
      Cpu:  Unspecified  |  
-------------------------+--------------------------------------------------
 i.landsat.toar transforms the sensors DN to top of the atmosphere
 radiance/reflectance.

 All bands except band 8 (panchromatic) have a pixel size of 30m. Band 8
 has pixel size of 15.

 When i.landsat.toar runs, it makes all the calculations with g.region
 res=30, which is obviously wrong for band 8.

 I classify it as a a major problem , because band 8 carries double data
 and its being used in pansharpening techniques .

-- 
Ticket URL: <https://trac.osgeo.org/grass/ticket/2089>
GRASS GIS <http://grass.osgeo.org>



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