Othertools

GDAL - Provides a number of valuable command line utilities for working with large images.

• gdalinfo = Gives information about an image file.

  • Use -hist to display a histogram.
  • Use -stats to compute image statistics.

• gdal_translate = Convert files to different resolutions, crop images, and change between common image formats.

  • Use -srcwin xoff yoff xsize ysize to crop out an area.
  • Use -outsize x% y% to downscale an image.