1 |
#!/usr/bin/perl -w |
2 |
# RCSid $Id: genambpos.pl,v 2.4 2014/05/01 02:52:03 greg Exp $ |
3 |
# |
4 |
# Visualize ambient positions and gradients |
5 |
# |
6 |
use strict; |
7 |
sub userror { |
8 |
print STDERR "Usage: genambpos [-l lvl][-w minwt][-r rad][-s sf][-p][-d] scene.amb > ambloc.rad\n"; |
9 |
exit 1; |
10 |
} |
11 |
my $lvlsel = -1; |
12 |
my $scale = 0.25; |
13 |
my $doposgrad = 0; |
14 |
my $dodirgrad = 0; |
15 |
my $minwt = 0.5001**6; |
16 |
my $fixedrad=""; |
17 |
my $savedARGV = "genambpos @ARGV"; |
18 |
# Get options |
19 |
while ($#ARGV >= 0) { |
20 |
if ("$ARGV[0]" =~ /^-p/) { |
21 |
$doposgrad=1; |
22 |
} elsif ("$ARGV[0]" =~ /^-d/) { |
23 |
$dodirgrad=1; |
24 |
} elsif ("$ARGV[0]" =~ /^-l/) { |
25 |
$lvlsel = $ARGV[1]; |
26 |
shift @ARGV; |
27 |
} elsif ("$ARGV[0]" =~ /^-w/) { |
28 |
$minwt = $ARGV[1]; |
29 |
shift @ARGV; |
30 |
} elsif ("$ARGV[0]" =~ /^-s/) { |
31 |
$scale = $ARGV[1]; |
32 |
shift @ARGV; |
33 |
} elsif ("$ARGV[0]" =~ /^-r/) { |
34 |
$fixedrad = "-e psiz:$ARGV[1]"; |
35 |
shift @ARGV; |
36 |
} elsif ("$ARGV[0]" =~ /^-./) { |
37 |
userror(); |
38 |
} else { |
39 |
last; |
40 |
} |
41 |
shift @ARGV; |
42 |
} |
43 |
userror() if ($#ARGV != 0); |
44 |
my $cmd = "getinfo < $ARGV[0] " . |
45 |
q[| sed -n 's/^.* -aa \([.0-9][^ ]*\) .*$/\1/p']; |
46 |
my $ambacc=`$cmd`; |
47 |
die "Missing -aa setting in header\n" if (! $ambacc ); |
48 |
$scale *= $ambacc; |
49 |
my $ambfmt = ' |
50 |
void glow posglow |
51 |
0 |
52 |
0 |
53 |
4 ${agr} ${agg} ${agb} 0 |
54 |
|
55 |
posglow sphere position${recno} |
56 |
0 |
57 |
0 |
58 |
4 ${px} ${py} ${pz} ${psiz} |
59 |
'; |
60 |
my $posgradfmt = ' |
61 |
void glow arrglow |
62 |
0 |
63 |
0 |
64 |
4 ${wt*agr} ${wt*agg} ${wt*agb} 0 |
65 |
|
66 |
arrglow cone pgarrow${recno} |
67 |
0 |
68 |
0 |
69 |
8 |
70 |
${ cx0 } ${ cy0 } ${ cz0 } |
71 |
${ cx1 } ${ cy1 } ${ cz1 } |
72 |
${ cr0 } 0 |
73 |
|
74 |
void brightfunc pgpat |
75 |
2 posfunc ambpos.cal |
76 |
0 |
77 |
6 ${ px } ${ py } ${ pz } ${ pgx } ${ pgy } ${ pgz } |
78 |
|
79 |
pgpat glow pgval |
80 |
0 |
81 |
0 |
82 |
4 ${avr} ${avg} ${avb} 0 |
83 |
|
84 |
void mixfunc pgeval |
85 |
4 pgval void ellipstencil ambpos.cal |
86 |
0 |
87 |
9 ${ px } ${ py } ${ pz } ${ux/r0} ${uy/r0} ${uz/r0} ${vx/r1} ${vy/r1} ${vz/r1} |
88 |
|
89 |
pgeval polygon pgellipse${recno} |
90 |
0 |
91 |
0 |
92 |
12 |
93 |
${ px1 } ${ py1 } ${ pz1 } |
94 |
${ px2 } ${ py2 } ${ pz2 } |
95 |
${ px3 } ${ py3 } ${ pz3 } |
96 |
${ px4 } ${ py4 } ${ pz4 } |
97 |
'; |
98 |
$posgradfmt .= ' |
99 |
void glow tipglow |
100 |
0 |
101 |
0 |
102 |
4 ${2*agr} ${2*agg} ${2*agb} 0 |
103 |
|
104 |
tipglow sphere atip |
105 |
0 |
106 |
0 |
107 |
4 ${ cx1 } ${ cy1 } ${ cz1 } ${psiz/7} |
108 |
' if ($dodirgrad); |
109 |
my $dirgradfmt=' |
110 |
void brightfunc dgpat |
111 |
2 dirfunc ambpos.cal |
112 |
0 |
113 |
9 ${ px } ${ py } ${ pz } ${ nx } ${ ny } ${ nz } ${ dgx } ${ dgy } ${ dgz } |
114 |
|
115 |
dgpat glow dgval |
116 |
0 |
117 |
0 |
118 |
4 ${avr} ${avg} ${avb} 0 |
119 |
|
120 |
dgval ring dgdisk${recno}a |
121 |
0 |
122 |
0 |
123 |
8 |
124 |
${ px+dgx*.001 } ${ py+dgy*.001 } ${ pz+dgz*.001 } |
125 |
${ dgx } ${ dgy } ${ dgz } |
126 |
0 ${ r0/2 } |
127 |
|
128 |
dgval ring dgdisk${recno}b |
129 |
0 |
130 |
0 |
131 |
8 |
132 |
${ px-dgx*.001 } ${ py-dgy*.001 } ${ pz-dgz*.001 } |
133 |
${ -dgx } ${ -dgy } ${ -dgz } |
134 |
0 ${ r0/2 } |
135 |
'; |
136 |
# Load & convert ambient values |
137 |
print "# Output produced by: $savedARGV\n"; |
138 |
system "lookamb -h -d $ARGV[0] | rcalc -e 'LV:$lvlsel;MW:$minwt;SF:$scale'" . |
139 |
" -f rambpos.cal -e cond=acond $fixedrad -o '$ambfmt'"; |
140 |
if ($doposgrad) { |
141 |
system "lookamb -h -d $ARGV[0] " . |
142 |
"| rcalc -e 'LV:$lvlsel;MW:$minwt;SF:$scale'" . |
143 |
" -f rambpos.cal -e cond=pcond $fixedrad -o '$posgradfmt'"; |
144 |
} |
145 |
if ($dodirgrad) { |
146 |
system "lookamb -h -d $ARGV[0] " . |
147 |
"| rcalc -e 'LV:$lvlsel;MW:$minwt;SF:$scale'" . |
148 |
" -f rambpos.cal -e cond=dcond -o '$dirgradfmt'"; |
149 |
} |
150 |
exit; |