HD R - Histogram of Document file column - output in Results file, use specified range

PURPOSE

Computes histogram of a document file column and prints histogram in users RESULTS file. Only pixels within specified range are included in the histogram.

SEE ALSO

HD	[Histogram of Document file column - output in Results file]
HD D	[Histogram of Document file column - output in Document file.]

USAGE

.OPERATION: HD R

.INPUT DOCUMENT FILE: PIC027
[Enter the name of the document file.]

.COLUMN # USED FOR HISTOGRAM: 3
[Enter column number for which the histogram will be calculated.]

.NUMBER OF BINS: 128
[Enter the number of bins to be set.]

.HISTOGRAM RANGE MIN, MAX: 0.1, 1.2
[Only original column values within this range will be included in the histogram.]

NOTES

1. The histogram of desired column will be computed and put into the User's RESULTS file. The following information will be printed out at the user's terminal:

    
             HISTOGRAM RANGE:                .........             
             FILE KEYS:                      HIST. KEYS:        
             NO. OF BINS:                    BIN SIZE:        
             HIST. MEAN:                     HIST. MODE:    
             HIST. S.D.:              
             

SUBROUTINES

HISD, GRAPHS, GETDOCDAT

CALLER

UTIL1