Linux and UNIX Man Pages

Linux & Unix Commands - Search Man Pages

pgmhist(1) [xfree86 man page]

pgmhist(1)						      General Commands Manual							pgmhist(1)

NAME
pgmhist - print a histogram of the values in a portable graymap SYNOPSIS
pgmhist [pgmfile] DESCRIPTION
Reads a portable graymap as input. Prints a histogram of the gray values. SEE ALSO
pgmnorm(1), pgm(5), ppmhist(1) AUTHOR
Copyright (C) 1989 by Jef Poskanzer. 28 February 1989 pgmhist(1)

Check Out this Related Man Page

ppmhist(1)						      General Commands Manual							ppmhist(1)

NAME
ppmhist - print a histogram of a portable pixmap SYNOPSIS
ppmhist [-hexcolor] [-noheader] [-map] [-nomap] [-sort={frequency,rgb}] [ppmfile] DESCRIPTION
Reads a PPM image as input. Generates a histogram of the colors in the image, i.e. a list of all the colors and how many pixels of each color are in the image. OPTIONS
-sort={frequency,rgb} The -sort option determines the order in which the colors are listed in the output. frequency means to list them in order of how pixels in the input image have the color, with the most represented colors first. rgb means to sort them first by the intensity of the red component of the color, the of the green, then of the blue, with the least intense first. The default is frequency. -hexcolor Print the color components in hexadecimal. Default is decimal. -noheader Do not print the column headings. -map Generates a PPM file of the colormap for the image, with the color histogram as comments. -nomap Generates the histogram for human reading. This is the default. SEE ALSO
ppm(5), pgmhist(1), ppmtomap(1), pnmhistmap(1), ppmchange(1) AUTHOR
Copyright (C) 1989 by Jef Poskanzer. 17 September 2000 ppmhist(1)
Man Page

4 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

No xorg.conf or XF86Config

There is no xorg.conf file and no XF86Config file on a certain FreeBSD machine: # locate xorg.conf /usr/local/man/man5/xorg.conf.5.gz # locate XF86Config # Can someone let me know if that means that there is a bare bones set up possible only? xrandr works fine, but I am looking for ways to... (6 Replies)
Discussion started by: figaro
6 Replies

2. Shell Programming and Scripting

Can a script resize it's own mintty console?

I'm looking for finer granularity than the 20 ANSI escape sequence screen modes. What I'd like to do is have the terminal increase it's own height when I have to show the user a long menu. Platform is Cygwin 64 running over Win 7 Pro. Mike (4 Replies)
Discussion started by: Michael Stora
4 Replies

3. UNIX for Advanced & Expert Users

Shopt -s histappend

What is the point of this? Whenever I close my shell it appends to the history file without adding this. I have never seen it overwrite my history file. # When the shell exits, append to the history file instead of overwriting it shopt -s histappend (3 Replies)
Discussion started by: cokedude
3 Replies

4. Fedora

Fedora 30 and Slackware 14.2, how to obtain the same rendering?

Look this very good rendering on Slackware 14.2 in my opinion is near perfect. https://i.stack.imgur.com/q5trL.png Now look the same page on Fedora 30 https://i.stack.imgur.com/FBQv7.png In my opinion the fonts on Fedora are too small and difficult to read, I prefer the fat fonts of... (20 Replies)
Discussion started by: Linusolaradm1
20 Replies