#-----------------------------------------------------------------------
# This is how you can write a comment in your input file.  Note that
# here I am showing all possible directives that may be specified.  Some
# would not be used at the same time (e.g., specifying gen_data_pts and
# input_images).
#-----------------------------------------------------------------------

NUMCLUS 10                      # initial number of clusters

NUMBANDS 3                      # number of bands, note that it is
                                # necessary to have this appear before
                                # 'input_images' directive

SAMPRM 200                      # minimum number of samples in a cluster 

LUMP 0.001                      # lumping parameter
                                # (clusters which are closer than this
                                # distance to each other are merged)

MAXPAIR 5                       # maximum number of pairs to lump

MAXITER 20                      # maximum number of iterations


rows 100                        # number of image rows 
cols 100                        # number of image columns
                                # (size of image should be (rows x cols)
                                # and the image is expected to be in
                                # byte format (1 char per pixel))

input_images ch3 ch4 ch5        # name of the files each containing
                                # one band/channel of the image.  There
                                # should be NUMBANDS filenames after
                                # `input_images' directive. Specified
                                # files need to be resided in the same
                                # directory as the executable being run.

output  classified_image        # name of the output file to write the
                                # clustered image to. Pixels are assigned
                                # values 1, 2, ..., (no. of clusters),
                                # where points having the same number
                                # are in the same cluster

seed 10                         # seed for the `rand' function for 
                                # selecting initial centers randomly

gen_data_pts                    # if this directive is given it means
                                # that the user is asking for
                                # synthetically generated data, and thus
                                # there won't be any need to specify
                                # `input_images' and `output' directives.

sample_seed 51                  # seed used for `rand' function to sample
                                # subset of data to work with

SQUARED 1                       # This is specified if/when you want to
                                # run the Hyb version of the algorithm.
                                # This metric is built in for Filtering
                                # and Approximate Filtering version and
                                # is used to Distinguish between Standard
                                # and Hybrid version since they share the
                                # same executable. 

epsilon 0.5                     # This directive is defined for approximate
                                # filtering version only and specifies the
                                # epsilon value to be used.