1 |
greg |
1.1 |
#!/bin/csh -f |
2 |
|
|
# SCCSid "$SunId$ LBL" |
3 |
|
|
# |
4 |
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 |
|
|
# standard size (-r option) |
7 |
greg |
1.1 |
# |
8 |
greg |
1.5 |
set ha=$0 |
9 |
|
|
set ha=$ha:t |
10 |
greg |
1.2 |
set pf="pfilt -e 2" |
11 |
|
|
while ($#argv > 0) |
12 |
|
|
switch ($argv[1]) |
13 |
|
|
case -r: |
14 |
|
|
shift argv |
15 |
greg |
1.8 |
set pf="$pf -x $argv[1] -y $argv[1] -p 1 -r .67" |
16 |
greg |
1.2 |
breaksw |
17 |
greg |
1.5 |
case -f: |
18 |
|
|
set ha="$ha -f" |
19 |
|
|
set dofsub |
20 |
|
|
breaksw |
21 |
greg |
1.2 |
case -b: |
22 |
greg |
1.5 |
set ha="$ha -b" |
23 |
greg |
1.2 |
set blend |
24 |
|
|
breaksw |
25 |
greg |
1.3 |
case -v: |
26 |
|
|
set verb |
27 |
|
|
breaksw |
28 |
greg |
1.2 |
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=/usr/tmp/np$$ |
39 |
|
|
mkdir $td |
40 |
greg |
1.4 |
cat > $td/coef.fmt << '_EOF_' |
41 |
greg |
2.2 |
rm:${ $25 }; gm:${ $26 }; bm:${ $27 }; |
42 |
|
|
rcx:${ $1 }; gcx:${ $9 }; bcx:${ $17 }; |
43 |
|
|
rcy:${ $2 }; gcy:${ $10 }; bcy:${ $18 }; |
44 |
|
|
rsx:${ $3 }; gsx:${ $11 }; bsx:${ $19 }; |
45 |
|
|
rsy:${ $4 }; gsy:${ $12 }; bsy:${ $20 }; |
46 |
|
|
rcxcy:${ $5 }; gcxcy:${ $13 }; bcxcy:${ $21 }; |
47 |
|
|
rcxsy:${ $6 }; gcxsy:${ $14 }; bcxsy:${ $22 }; |
48 |
|
|
rsxcy:${ $7 }; gsxcy:${ $15 }; bsxcy:${ $23 }; |
49 |
|
|
rsxsy:${ $8 }; gsxsy:${ $16 }; bsxsy:${ $24 }; |
50 |
greg |
1.4 |
'_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 |
greg |
1.6 |
$25=$3; $26=$4; $27=$5; |
59 |
greg |
1.4 |
cx=cos(wx); cy=cos(wy); |
60 |
|
|
sx=sin(wx); sy=sin(wy); |
61 |
|
|
wx=2*PI*($1+.5)/xres; wy=2*PI*($2+.5)/yres; |
62 |
|
|
'_EOF_' |
63 |
|
|
cat > $td/fsub.cal << '_EOF_' |
64 |
greg |
2.2 |
PI:3.14159265358979323846; |
65 |
greg |
1.6 |
ro=ri(1)*rm/(rm+rcx*cx+rcy*cy+rsx*sx+rsy*sy |
66 |
|
|
+rcxcy*cx*cy+rcxsy*cx*sy+rsxcy*sx*cy+rsxsy*sx*sy); |
67 |
|
|
go=gi(1)*gm/(gm+gcx*cx+gcy*cy+gsx*sx+gsy*sy |
68 |
|
|
+gcxcy*cx*cy+gcxsy*cx*sy+gsxcy*sx*cy+gsxsy*sx*sy); |
69 |
|
|
bo=bi(1)*bm/(bm+bcx*cx+bcy*cy+bsx*sx+bsy*sy |
70 |
|
|
+bcxcy*cx*cy+bcxsy*cx*sy+bsxcy*sx*cy+bsxsy*sx*sy); |
71 |
greg |
1.4 |
cx=cos(wx); cy=cos(wy); |
72 |
|
|
sx=sin(wx); sy=sin(wy); |
73 |
|
|
wx=2*PI*(x+.5)/xres; wy=2*PI*(y+.5)/yres; |
74 |
|
|
'_EOF_' |
75 |
greg |
1.1 |
foreach f ($*) |
76 |
greg |
1.3 |
if ( $?verb ) then |
77 |
|
|
echo $f\: |
78 |
|
|
echo adjusting exposure/size... |
79 |
|
|
endif |
80 |
greg |
1.2 |
$pf $f > $td/pf |
81 |
|
|
getinfo < $td/pf > $f |
82 |
|
|
ed - $f << _EOF_ |
83 |
|
|
i |
84 |
|
|
$ha |
85 |
|
|
. |
86 |
|
|
w |
87 |
|
|
q |
88 |
|
|
_EOF_ |
89 |
greg |
1.3 |
set resolu=`getinfo -d < $td/pf | sed 's/-Y \([0-9]*\) +X \([0-9]*\)/\2 \1/'` |
90 |
greg |
1.5 |
if ( ! $?dofsub ) then |
91 |
|
|
mv $td/pf $td/hf |
92 |
|
|
goto donefsub |
93 |
|
|
endif |
94 |
greg |
1.3 |
if ( $?verb ) then |
95 |
|
|
echo computing Fourier coefficients... |
96 |
|
|
endif |
97 |
greg |
1.4 |
pfilt -1 -x 32 -y 32 $td/pf | pvalue -h \ |
98 |
|
|
| rcalc -f $td/coef.cal -e 'xres=32;yres=32' \ |
99 |
|
|
| total -m | rcalc -o $td/coef.fmt \ |
100 |
|
|
> $td/coef |
101 |
greg |
1.3 |
if ( $?verb ) then |
102 |
greg |
1.4 |
cat $td/coef |
103 |
greg |
1.3 |
echo removing low frequencies... |
104 |
|
|
endif |
105 |
greg |
2.2 |
pcomb -f $td/coef -f $td/fsub.cal \ |
106 |
greg |
1.4 |
-e "xres=$resolu[1];yres=$resolu[2]" \ |
107 |
greg |
1.2 |
$td/pf > $td/hf |
108 |
greg |
1.5 |
donefsub: |
109 |
greg |
1.2 |
if ( $?blend ) then |
110 |
greg |
1.3 |
if ( $?verb ) then |
111 |
|
|
echo blending edges... |
112 |
|
|
endif |
113 |
greg |
1.2 |
@ mar= $resolu[1] - 3 |
114 |
greg |
1.7 |
@ les= $resolu[1] - 1 |
115 |
|
|
pcompos -x 1 $td/hf 0 0 | pfilt -1 -x 3 > $td/left |
116 |
|
|
pcompos $td/hf -$les 0 | pfilt -1 -x 3 > $td/right |
117 |
greg |
1.2 |
pcomb -e 'ro=f(ri);go=f(gi);bo=f(bi)' \ |
118 |
|
|
-e 'f(p)=(3-x)/7*p(1)+(4+x)/7*p(2)' \ |
119 |
|
|
$td/right $td/left > $td/left.patch |
120 |
|
|
pcomb -e 'ro=f(ri);go=f(gi);bo=f(bi)' \ |
121 |
|
|
-e 'f(p)=(1+x)/7*p(1)+(6-x)/7*p(2)' \ |
122 |
|
|
$td/left $td/right > $td/right.patch |
123 |
|
|
pcompos $td/hf 0 0 $td/left.patch 0 0 $td/right.patch $mar 0 \ |
124 |
|
|
> $td/hflr |
125 |
|
|
@ mar= $resolu[2] - 3 |
126 |
greg |
1.7 |
@ les= $resolu[2] - 1 |
127 |
|
|
pcompos -y 1 $td/hflr 0 0 | pfilt -1 -y 3 > $td/bottom |
128 |
|
|
pcompos $td/hflr 0 -$les | pfilt -1 -y 3 > $td/top |
129 |
greg |
1.2 |
pcomb -e 'ro=f(ri);go=f(gi);bo=f(bi)' \ |
130 |
|
|
-e 'f(p)=(3-y)/7*p(1)+(4+y)/7*p(2)' \ |
131 |
|
|
$td/top $td/bottom > $td/bottom.patch |
132 |
|
|
pcomb -e 'ro=f(ri);go=f(gi);bo=f(bi)' \ |
133 |
|
|
-e 'f(p)=(1+y)/7*p(1)+(6-y)/7*p(2)' \ |
134 |
|
|
$td/bottom $td/top > $td/top.patch |
135 |
|
|
pcompos $td/hflr 0 0 $td/bottom.patch 0 0 $td/top.patch 0 $mar \ |
136 |
|
|
| getinfo - >> $f |
137 |
greg |
1.5 |
else |
138 |
|
|
getinfo - < $td/hf >> $f |
139 |
greg |
1.2 |
endif |
140 |
greg |
1.3 |
if ( $?verb ) then |
141 |
|
|
echo $f done. |
142 |
|
|
endif |
143 |
greg |
1.1 |
end |
144 |
greg |
1.2 |
quit: |
145 |
|
|
rm -rf $td |