Pamarith User Manual(0) Pamarith User Manual(0) (NAME) pamarith - Netpbm (SYNOPSIS) pamarith -add | -subtract | -multiply | -divide | -difference | -minimum | -maximum | -mean | -equal | -compare | -and | -or | -nand | -nor | -xor | -shiftleft | -shiftright [-closeness=N] pamfile1 pamfile2 ... . . (white space) . (DESCRIPTION) Netpbm(1) . pamarith PBM PGM PPM PAM . () (sample) . . (tuple) . pamarith . -add . ( -subtract) ( Netpbm 10.93 ( ) ). pamarith . -mean -equal . pamarith . Netpbm . PBM PGM PPM PAM (tuple type) BLACKANDWHITE GRAYSCALE RGB PBM PGM PPM PAM . pamfile << >> pamfile << >> . PAM . pamarith . ( - ). : (depth) . pamarith . pamarith (s1,s2,...,sN) (t1,t2,...tN) f (f(s1,t1),f(s2,t2),...,f(sN,tN)) . (s) (t1,t2,...tN) f (f(s,t1),f(s,t2),...,f(s,tN)) . PBM (PBM Oddness) PBM pamarith PBM . PBM 1 0 << >> <<>> . PBM pamarith PAM ( ). PAM 0 1 . (Maxval) maxval . PAM ( PAM ) . maxval ( << >> ) maxval . pamarith : -add -subtract -multiply -divide -difference -minimum -maximum -mean -equal -compare. [0,1) . maxval maxval maxval -add 50/100 + 60/200 = 160/200 . pamarith maxval maxval -equal -compare. -equal maxval . -compare ( Netpbm 10.14 ( ) -compare 10.14 maxval 10.18 10.26 ( ) ). [0, 1) pamarith (clip ) -- -1 . maxval maxval (clipping). -add . -multiply . maxval maxval . . pamarith 5/255 10/255 . maxval PAM 50/255 0 . (bit string) maxval . : -and -or -nand -nor -xor -shiftleft -shiftright. . maxval . maxval ( 0xff) . ( ) maxval pamarith maxval . maxval maxval . ( ) maxval . maxval . pamarith (binary) . (unary) << >> pamfunc . (OPTIONS) libnetpbm ( -quiet (Common Options) ) pamarith : (The Function) pamarith . . -add . maxval (clipped) . -subtract . -minimum . -maximum . -difference . -multiply pamarith . Maxval <#maxval> . -divide . -multiply . (clipping) pamarith () () -- maxval . maxval . -divide Netpbm 10.30 ( ) . -equal maxval . maxval -equal . maxval pamarith . -closeness . maxval . -equal Netpbm 10.93 ( ) . -compare 0 1 2 . maxval pamarith . A B A B . -compare Netpbm 10.13 ( ) . -and, -nand, -or, -nor, -xor . maxval . maxval Maxval <#maxval> . -shiftleft, -shiftright . . . maxval ( Maxval <#maxval> ) . -closeness -equal . . -equal . (SEE ALSO) pamfunc(1), pamsummcol(1), pamsumm(1), pnminvert(1), pambrighten(1), ppmdim(1), pnmconvol(1), pamdepth(1), pnmpsnr(1), pnm(1), pam(1) (HISTORY) pamarith 10.3 Netpbm ( ) pnmarith . Netpbm 10.3 10.8 pamarith PBM PPM ( ). ( pnmarith Netpbm -- pamarith ). Netpbm 10.9 ( ) pamarith pnmarith . pnmarith -mean . -compare Netpbm 10.13 ( ) . Netpbm 10.27 ( ) . -divide Netpbm 10.30 ( ) . () Netpbm 10.93 ( ) . -equal Netpbm 10.93 ( ) . (DOCUMENT SOURCE) 'makeman' Netpbm HTML . : http://netpbm.sourceforge.net/doc/pamarith.html netpbm documentation 24 October 2020 Pamarith User Manual(0)