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greg |
1.1 |
#!/bin/csh -f |
| 2 |
greg |
2.6 |
# RCSid: $Id: normpat.csh,v 2.5 2004/01/29 22:18:26 greg Exp $ |
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greg |
1.1 |
# |
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greg |
1.2 |
# Normalize a pattern for tiling (-b option blends edges) by removing |
| 5 |
greg |
1.5 |
# lowest frequencies from image (-f option) and reducing to |
| 6 |
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# standard size (-r option) |
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greg |
1.1 |
# |
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greg |
1.5 |
set ha=$0 |
| 9 |
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set ha=$ha:t |
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greg |
1.2 |
set pf="pfilt -e 2" |
| 11 |
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while ($#argv > 0) |
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switch ($argv[1]) |
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case -r: |
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shift argv |
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greg |
1.8 |
set pf="$pf -x $argv[1] -y $argv[1] -p 1 -r .67" |
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greg |
1.2 |
breaksw |
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greg |
1.5 |
case -f: |
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set ha="$ha -f" |
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set dofsub |
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breaksw |
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greg |
1.2 |
case -b: |
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greg |
1.5 |
set ha="$ha -b" |
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greg |
1.2 |
set blend |
| 24 |
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breaksw |
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greg |
1.3 |
case -v: |
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set verb |
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breaksw |
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greg |
1.2 |
case -*: |
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echo bad option $argv[1] |
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exit 1 |
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default: |
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goto dofiles |
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endsw |
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shift argv |
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end |
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dofiles: |
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onintr quit |
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greg |
2.6 |
set td=/tmp/np$$ |
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greg |
1.2 |
mkdir $td |
| 40 |
greg |
2.5 |
goto skipthis |
| 41 |
greg |
1.4 |
cat > $td/coef.fmt << '_EOF_' |
| 42 |
greg |
2.2 |
rm:${ $25 }; gm:${ $26 }; bm:${ $27 }; |
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rcx:${ $1 }; gcx:${ $9 }; bcx:${ $17 }; |
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rcy:${ $2 }; gcy:${ $10 }; bcy:${ $18 }; |
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rsx:${ $3 }; gsx:${ $11 }; bsx:${ $19 }; |
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rsy:${ $4 }; gsy:${ $12 }; bsy:${ $20 }; |
| 47 |
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rcxcy:${ $5 }; gcxcy:${ $13 }; bcxcy:${ $21 }; |
| 48 |
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rcxsy:${ $6 }; gcxsy:${ $14 }; bcxsy:${ $22 }; |
| 49 |
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rsxcy:${ $7 }; gsxcy:${ $15 }; bsxcy:${ $23 }; |
| 50 |
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rsxsy:${ $8 }; gsxsy:${ $16 }; bsxsy:${ $24 }; |
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greg |
1.4 |
'_EOF_' |
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cat > $td/coef.cal << '_EOF_' |
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$1=$3*2*cx; $2=$3*2*cy; $3=$3*2*sx; $4=$3*2*sy; |
| 54 |
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$5=$3*4*cx*cy; $6=$3*4*cx*sy; $7=$3*4*sx*cy; $8=$3*4*sx*sy; |
| 55 |
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$9=$4*2*cx; $10=$4*2*cy; $11=$4*2*sx; $12=$4*2*sy; |
| 56 |
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$13=$4*4*cx*cy; $14=$4*4*cx*sy; $15=$4*4*sx*cy; $16=$4*4*sx*sy; |
| 57 |
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$17=$5*2*cx; $18=$5*2*cy; $19=$5*2*sx; $20=$5*2*sy; |
| 58 |
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$21=$5*4*cx*cy; $22=$5*4*cx*sy; $23=$5*4*sx*cy; $24=$5*4*sx*sy; |
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greg |
1.6 |
$25=$3; $26=$4; $27=$5; |
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greg |
1.4 |
cx=cos(wx); cy=cos(wy); |
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sx=sin(wx); sy=sin(wy); |
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greg |
2.3 |
wx=2*PI/xres*($1+.5); wy=2*PI/yres*($2+.5); |
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greg |
1.4 |
'_EOF_' |
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cat > $td/fsub.cal << '_EOF_' |
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greg |
2.2 |
PI:3.14159265358979323846; |
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greg |
1.6 |
ro=ri(1)*rm/(rm+rcx*cx+rcy*cy+rsx*sx+rsy*sy |
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+rcxcy*cx*cy+rcxsy*cx*sy+rsxcy*sx*cy+rsxsy*sx*sy); |
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go=gi(1)*gm/(gm+gcx*cx+gcy*cy+gsx*sx+gsy*sy |
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+gcxcy*cx*cy+gcxsy*cx*sy+gsxcy*sx*cy+gsxsy*sx*sy); |
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bo=bi(1)*bm/(bm+bcx*cx+bcy*cy+bsx*sx+bsy*sy |
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+bcxcy*cx*cy+bcxsy*cx*sy+bsxcy*sx*cy+bsxsy*sx*sy); |
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greg |
1.4 |
cx=cos(wx); cy=cos(wy); |
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sx=sin(wx); sy=sin(wy); |
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greg |
2.3 |
wx=2*PI/xres*(x+.5); wy=2*PI/yres*(y+.5); |
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greg |
1.4 |
'_EOF_' |
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greg |
2.5 |
skipthis: |
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greg |
1.1 |
foreach f ($*) |
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greg |
1.3 |
if ( $?verb ) then |
| 79 |
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echo $f\: |
| 80 |
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echo adjusting exposure/size... |
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endif |
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greg |
1.2 |
$pf $f > $td/pf |
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getinfo < $td/pf > $f |
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ed - $f << _EOF_ |
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i |
| 86 |
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$ha |
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. |
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w |
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q |
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_EOF_ |
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greg |
2.5 |
set resolu=`getinfo -d < $td/pf | sed 's/-Y \([1-9][0-9]*\) +X \([1-9][0-9]*\)/\2 \1/'` |
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greg |
1.5 |
if ( ! $?dofsub ) then |
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mv $td/pf $td/hf |
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goto donefsub |
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endif |
| 96 |
greg |
2.5 |
# if ( $?verb ) then |
| 97 |
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# echo computing Fourier coefficients... |
| 98 |
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# endif |
| 99 |
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# pfilt -1 -x 32 -y 32 $td/pf | pvalue -h \ |
| 100 |
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# | rcalc -e 'xres:32;yres:32' -f $td/coef.cal \ |
| 101 |
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# | total -m | rcalc -o $td/coef.fmt \ |
| 102 |
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# > $td/coef |
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greg |
1.3 |
if ( $?verb ) then |
| 104 |
greg |
2.5 |
# cat $td/coef |
| 105 |
greg |
1.3 |
echo removing low frequencies... |
| 106 |
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endif |
| 107 |
greg |
2.5 |
pgblur -r `ev "sqrt($resolu[1]*$resolu[2])/8"` $td/pf > $td/lf |
| 108 |
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pcomb -e 's=1/li(2);ro=s*ri(1);go=s*gi(1);bo=s*bi(1)' \ |
| 109 |
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$td/pf $td/lf > $td/hf |
| 110 |
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# pcomb -f $td/coef -f $td/fsub.cal $td/pf > $td/hf |
| 111 |
greg |
1.5 |
donefsub: |
| 112 |
greg |
1.2 |
if ( $?blend ) then |
| 113 |
greg |
1.3 |
if ( $?verb ) then |
| 114 |
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echo blending edges... |
| 115 |
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endif |
| 116 |
greg |
1.2 |
@ mar= $resolu[1] - 3 |
| 117 |
greg |
1.7 |
@ les= $resolu[1] - 1 |
| 118 |
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pcompos -x 1 $td/hf 0 0 | pfilt -1 -x 3 > $td/left |
| 119 |
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pcompos $td/hf -$les 0 | pfilt -1 -x 3 > $td/right |
| 120 |
greg |
1.2 |
pcomb -e 'ro=f(ri);go=f(gi);bo=f(bi)' \ |
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-e 'f(p)=(3-x)/7*p(1)+(4+x)/7*p(2)' \ |
| 122 |
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$td/right $td/left > $td/left.patch |
| 123 |
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pcomb -e 'ro=f(ri);go=f(gi);bo=f(bi)' \ |
| 124 |
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-e 'f(p)=(1+x)/7*p(1)+(6-x)/7*p(2)' \ |
| 125 |
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$td/left $td/right > $td/right.patch |
| 126 |
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pcompos $td/hf 0 0 $td/left.patch 0 0 $td/right.patch $mar 0 \ |
| 127 |
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> $td/hflr |
| 128 |
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@ mar= $resolu[2] - 3 |
| 129 |
greg |
1.7 |
@ les= $resolu[2] - 1 |
| 130 |
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pcompos -y 1 $td/hflr 0 0 | pfilt -1 -y 3 > $td/bottom |
| 131 |
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pcompos $td/hflr 0 -$les | pfilt -1 -y 3 > $td/top |
| 132 |
greg |
1.2 |
pcomb -e 'ro=f(ri);go=f(gi);bo=f(bi)' \ |
| 133 |
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-e 'f(p)=(3-y)/7*p(1)+(4+y)/7*p(2)' \ |
| 134 |
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$td/top $td/bottom > $td/bottom.patch |
| 135 |
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pcomb -e 'ro=f(ri);go=f(gi);bo=f(bi)' \ |
| 136 |
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-e 'f(p)=(1+y)/7*p(1)+(6-y)/7*p(2)' \ |
| 137 |
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$td/bottom $td/top > $td/top.patch |
| 138 |
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pcompos $td/hflr 0 0 $td/bottom.patch 0 0 $td/top.patch 0 $mar \ |
| 139 |
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| getinfo - >> $f |
| 140 |
greg |
1.5 |
else |
| 141 |
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getinfo - < $td/hf >> $f |
| 142 |
greg |
1.2 |
endif |
| 143 |
greg |
1.3 |
if ( $?verb ) then |
| 144 |
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echo $f done. |
| 145 |
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endif |
| 146 |
greg |
1.1 |
end |
| 147 |
greg |
1.2 |
quit: |
| 148 |
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rm -rf $td |
