orig/normpat.csh
author Axel Jacobs <axel@jaloxa.eu>
Mon, 14 Apr 2014 22:21:17 +0100
changeset 73 87fa3132a136
parent 0 0aa115157c9c
permissions -rw-r--r--
New IES test file with spaces in file name
     1 #!/bin/csh -f
     2 # RCSid: $Id: normpat.csh,v 2.7 2008/08/25 04:50:32 greg Exp $
     3 #
     4 # Normalize a pattern for tiling (-b option blends edges) by removing
     5 # lowest frequencies from image (-f option) and reducing to
     6 # standard size (-r option)
     7 #
     8 set ha=$0
     9 set ha=$ha:t
    10 set pf="pfilt -e 2"
    11 while ($#argv > 0)
    12 	switch ($argv[1])
    13 	case -r:
    14 		shift argv
    15 		set pf="$pf -x $argv[1] -y $argv[1] -p 1 -r .67"
    16 		breaksw
    17 	case -f:
    18 		set ha="$ha -f"
    19 		set dofsub
    20 		breaksw
    21 	case -b:
    22 		set ha="$ha -b"
    23 		set blend
    24 		breaksw
    25 	case -v:
    26 		set verb
    27 		breaksw
    28 	case -*:
    29 		echo bad option $argv[1]
    30 		exit 1
    31 	default:
    32 		goto dofiles
    33 	endsw
    34 	shift argv
    35 end
    36 dofiles:
    37 onintr quit
    38 set td=`mktemp -d /tmp/np.XXXXXX`
    39 goto skipthis
    40 cat > $td/coef.fmt << '_EOF_'
    41    rm:${  $25   };    gm:${  $26   };    bm:${  $27   };
    42   rcx:${   $1   };   gcx:${   $9   };   bcx:${  $17   };
    43   rcy:${   $2   };   gcy:${  $10   };   bcy:${  $18   };
    44   rsx:${   $3   };   gsx:${  $11   };   bsx:${  $19   };
    45   rsy:${   $4   };   gsy:${  $12   };   bsy:${  $20   };
    46 rcxcy:${   $5   }; gcxcy:${  $13   }; bcxcy:${  $21   };
    47 rcxsy:${   $6   }; gcxsy:${  $14   }; bcxsy:${  $22   };
    48 rsxcy:${   $7   }; gsxcy:${  $15   }; bsxcy:${  $23   };
    49 rsxsy:${   $8   }; gsxsy:${  $16   }; bsxsy:${  $24   };
    50 '_EOF_'
    51 cat > $td/coef.cal << '_EOF_'
    52 $1=$3*2*cx; $2=$3*2*cy; $3=$3*2*sx; $4=$3*2*sy;
    53 $5=$3*4*cx*cy; $6=$3*4*cx*sy; $7=$3*4*sx*cy; $8=$3*4*sx*sy;
    54 $9=$4*2*cx; $10=$4*2*cy; $11=$4*2*sx; $12=$4*2*sy;
    55 $13=$4*4*cx*cy; $14=$4*4*cx*sy; $15=$4*4*sx*cy; $16=$4*4*sx*sy;
    56 $17=$5*2*cx; $18=$5*2*cy; $19=$5*2*sx; $20=$5*2*sy;
    57 $21=$5*4*cx*cy; $22=$5*4*cx*sy; $23=$5*4*sx*cy; $24=$5*4*sx*sy;
    58 $25=$3; $26=$4; $27=$5;
    59 cx=cos(wx); cy=cos(wy);
    60 sx=sin(wx); sy=sin(wy);
    61 wx=2*PI/xres*($1+.5); wy=2*PI/yres*($2+.5);
    62 '_EOF_'
    63 cat > $td/fsub.cal << '_EOF_'
    64 PI:3.14159265358979323846;
    65 ro=ri(1)*rm/(rm+rcx*cx+rcy*cy+rsx*sx+rsy*sy
    66 		+rcxcy*cx*cy+rcxsy*cx*sy+rsxcy*sx*cy+rsxsy*sx*sy);
    67 go=gi(1)*gm/(gm+gcx*cx+gcy*cy+gsx*sx+gsy*sy
    68 		+gcxcy*cx*cy+gcxsy*cx*sy+gsxcy*sx*cy+gsxsy*sx*sy);
    69 bo=bi(1)*bm/(bm+bcx*cx+bcy*cy+bsx*sx+bsy*sy
    70 		+bcxcy*cx*cy+bcxsy*cx*sy+bsxcy*sx*cy+bsxsy*sx*sy);
    71 cx=cos(wx); cy=cos(wy);
    72 sx=sin(wx); sy=sin(wy);
    73 wx=2*PI/xres*(x+.5); wy=2*PI/yres*(y+.5);
    74 '_EOF_'
    75 skipthis:
    76 foreach f ($*)
    77 	if ( $?verb ) then
    78 		echo $f\:
    79 		echo adjusting exposure/size...
    80 	endif
    81 	$pf $f > $td/pf
    82 	getinfo < $td/pf > $f
    83 	ed - $f << _EOF_
    84 i
    85 $ha
    86 .
    87 w
    88 q
    89 _EOF_
    90 	set resolu=`getinfo -d < $td/pf | sed 's/-Y \([1-9][0-9]*\) +X \([1-9][0-9]*\)/\2 \1/'`
    91 	if ( ! $?dofsub ) then
    92 		mv $td/pf $td/hf
    93 		goto donefsub
    94 	endif
    95 	# if ( $?verb ) then
    96 	#	echo computing Fourier coefficients...
    97 	# endif
    98 	# pfilt -1 -x 32 -y 32 $td/pf | pvalue -h \
    99 	#	| rcalc -e 'xres:32;yres:32' -f $td/coef.cal \
   100 	#	| total -m | rcalc -o $td/coef.fmt \
   101 	#	> $td/coef
   102 	if ( $?verb ) then
   103 		# cat $td/coef
   104 		echo removing low frequencies...
   105 	endif
   106 	pgblur -r `ev "sqrt($resolu[1]*$resolu[2])/8"` $td/pf > $td/lf
   107 	pcomb -e 's=1/li(2);ro=s*ri(1);go=s*gi(1);bo=s*bi(1)' \
   108 			$td/pf $td/lf > $td/hf
   109 	# pcomb -f $td/coef -f $td/fsub.cal $td/pf > $td/hf
   110 	donefsub:
   111 	if ( $?blend ) then
   112 		if ( $?verb ) then
   113 			echo blending edges...
   114 		endif
   115 		@ mar= $resolu[1] - 3
   116 		@ les= $resolu[1] - 1
   117 		pcompos -x 1 $td/hf 0 0 | pfilt -1 -x 3 > $td/left
   118 		pcompos $td/hf -$les 0 | pfilt -1 -x 3 > $td/right
   119 		pcomb -e 'ro=f(ri);go=f(gi);bo=f(bi)' \
   120 			-e 'f(p)=(3-x)/7*p(1)+(4+x)/7*p(2)' \
   121 			$td/right $td/left > $td/left.patch
   122 		pcomb -e 'ro=f(ri);go=f(gi);bo=f(bi)' \
   123 			-e 'f(p)=(1+x)/7*p(1)+(6-x)/7*p(2)' \
   124 			$td/left $td/right > $td/right.patch
   125 		pcompos $td/hf 0 0 $td/left.patch 0 0 $td/right.patch $mar 0 \
   126 			> $td/hflr
   127 		@ mar= $resolu[2] - 3
   128 		@ les= $resolu[2] - 1
   129 		pcompos -y 1 $td/hflr 0 0 | pfilt -1 -y 3 > $td/bottom
   130 		pcompos $td/hflr 0 -$les | pfilt -1 -y 3 > $td/top
   131 		pcomb -e 'ro=f(ri);go=f(gi);bo=f(bi)' \
   132 			-e 'f(p)=(3-y)/7*p(1)+(4+y)/7*p(2)' \
   133 			$td/top $td/bottom > $td/bottom.patch
   134 		pcomb -e 'ro=f(ri);go=f(gi);bo=f(bi)' \
   135 			-e 'f(p)=(1+y)/7*p(1)+(6-y)/7*p(2)' \
   136 			$td/bottom $td/top > $td/top.patch
   137 		pcompos $td/hflr 0 0 $td/bottom.patch 0 0 $td/top.patch 0 $mar \
   138 			| getinfo - >> $f
   139 	else
   140 		getinfo - < $td/hf >> $f
   141 	endif
   142 	if ( $?verb ) then
   143 		echo $f done.
   144 	endif
   145 end
   146 quit:
   147 rm -rf $td