XHIST

Section: User Commands (1)
Updated: 26 JUNE 1991
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NAME

xhist - display the histogram of an image

SYNOPSIS

xhist [ [<] infile ]

DESCRIPTION

Type of image file may be byte, short, int, or float. All red numbers are pixel values. All blue numbers are the counts of pixel values. Each vertical line refers to a pixel value (or a range of pixel values) and its counts. The red vertical line is used to check a certain pixel value. Orange vertical lines represent the margins of the range of interesting pixel values. Green horizontal lines represent the margins of the range of interesting counts. "Eval" control button can be selected to display the region within vertical (and horizontal) margins.

CONTROL BUTTONS

Check pixel value : check the pixel value specified by
                       "pixel value : ___" field
<--  :  move red vertical bar left by 1 unit
-->  :  move red vertical bar right by 1 unit
Select |  :  select vertical margin (orange vertical line)
               for next region
Eval :  Evaluate a region within vertical (and horizontal)
          margins
Restore :  restore histogram to that of the entire image
Set count margin : set the count margin specified by
                     "count margin : ___" field

Load :  load image file
QUIT :  quit xhist
Help :  show help manual

MOUSE EVENTS on the graph

LEFT BUTTON :
   or
DRAG        : move red vertical bar to check pixel value
                and its counts

MIDDLE BUTTON : select vertical margin (orange vertical
line) for next region

RIGHT BUTTON : select horizontal margin (green
horizontal line) for next region

AUTHOR

Brian Tierney, LBL email: bltierney@lbl.gov
Felix Huang, LBL email: fhuang@lbl.gov

BUGS

If the xhist window lacks something, please press "Eval" button. That seems a bug of X window system. Please report any other bugs to Brian Tierney or Felix Huang.

This document was created by man2html, using the manual pages.
Time: 01:44:48 GMT, December 05, 2024