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I am looking for any tool (or python code snippet) that can loop through a file folder of .jp2 images and determine which have 3 bands and which have 4 bands.

I am having trouble creating a raster dataset as some of them have 3 bands and others have 4. I need to isolate the band count and replace the images with only 3 bands. I am looking to output a text file that has the name of the file which has 3 bands.

Any thoughts?

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GDAL can help you do this. You can use GDAL's python API

import os
from osgeo import gdal

for f in os.listdir(os.getcwd()):
  ds = gdal.Open(f)
  if ds.RasterCount == 3:
    print f
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  • I will try tomorrow and see how it goes! thanks for the quick comment.
    – MDHald
    Sep 24, 2014 at 23:50
  • Can you tell me where I would place the script? does it go in the directory? e.g.P:\Data\Aerials\2010\Orthos\zip where all the files are located? or does it go in the code snippet somewhere?
    – MDHald
    Sep 25, 2014 at 13:39
  • It would go in the data directory. If you want to run it from elsewhere, replace os.getCwd() with the full path to the directory containing the rasters.
    – spatialthoughts
    Sep 28, 2014 at 6:34

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