src/px/falsecolor.csh

#!/bin/csh -f
# SCCSid "$SunId$ LBL"
#
# Create false color image with legend
#
set td=/usr/tmp/fc$$
onintr quit
set mult=179
set label=Nits
set scale=1000
set decades=0
set redv='1.6*v-.6'
set grnv='if(v-.375,1.6-1.6*v,8/3*v)'
set bluv='1-8/3*v'
set ndivs=8
set picture='-'
set cpict=
set legwidth=100
set legheight=200
while ($#argv > 0)
        switch ($argv[1])
        case -m:
                shift argv
                set mult="$argv[1]"
                breaksw
        case -s:
                shift argv
                set scale="$argv[1]"
                breaksw
        case -l:
                shift argv
                set label="$argv[1]"
                breaksw
        case -log:
                shift argv
                set decades=$argv[1]
                breaksw
        case -r:
                shift argv
                set redv="$argv[1]"
                breaksw
        case -g:
                shift argv
                set grnv="$argv[1]"
                breaksw
        case -b:
                shift argv
                set bluv="$argv[1]"
                breaksw
        case -i:
                shift argv
                set picture="$argv[1]"
                breaksw
        case -p:
                shift argv
                set cpict="$argv[1]"
                breaksw
        case -ip:
        case -pi:
                shift argv
                set picture="$argv[1]"
                set cpict="$argv[1]"
                breaksw
        case -cl:
                set docont=a
                breaksw
        case -cb:
                set docont=b
                breaksw
        case -e:
                set doextrem
                set needfile
                breaksw
        case -n:
                shift argv
                set ndivs="$argv[1]"
                breaksw
        default:
                echo bad option "'$argv[1]'" >/dev/tty
                exit 1
        endsw
        shift argv
end
mkdir $td
cat > $td/pc0.cal <<_EOF_
PI : 3.14159265358979323846 ;
scale : $scale ;
mult : $mult ;
ndivs : $ndivs ;

or(a,b) : if(a,a,b);
EPS : 1e-7;
neq(a,b) : if(a-b-EPS,1,b-a-EPS);
btwn(a,x,b) : if(a-x,-1,b-x);
clip(x) : if(x-1,1,if(x,x,0));
frac(x) : x - floor(x);
boundary(a,b) : neq(floor(ndivs*a+.5),floor(ndivs*b+.5));

isconta = if(btwn(0,v,1),or(boundary(vleft,vright),boundary(vabove,vbelow)),-1);
iscontb = if(btwn(0,v,1),btwn(.4,frac(ndivs*v),.6),-1); 

ro = if(in,clip($redv),ra);
go = if(in,clip($grnv),ga);
bo = if(in,clip($bluv),ba);

ra = 0;
ga = 0;
ba = 0;

in = 1;
_EOF_
cat > $td/pc1.cal <<_EOF_
norm : mult/scale/le(1);

v = map(li(1)*norm);

vleft = map(li(1,-1,0)*norm);
vright = map(li(1,1,0)*norm);
vabove = map(li(1,0,1)*norm);
vbelow = map(li(1,0,-1)*norm);

map(x) = x;

ra = ri(nfiles);
ga = gi(nfiles);
ba = bi(nfiles);
_EOF_
set pc0args=(-f $td/pc0.cal)
set pc1args=(-f $td/pc1.cal)
if ($?docont) then
        set pc0args=($pc0args -e "in=iscont$docont")
endif
if ("$cpict" == "") then
        set pc1args=($pc1args -e 'ra=0;ga=0;ba=0')
else if ("$cpict" == "$picture") then
        set cpict=
endif
if ($?needfile && "$picture" == '-') then
        cat > $td/picture
        set picture=$td/picture
endif
if ($decades > 0) then
        set pc1args=($pc1args -e "map(x)=if(x-10^-$decades,log10(x)/$decades+1,0)")
        set imap="imap(y)=10^((y-1)*$decades)"
else
        set imap="imap(y)=y"
endif
pcomb $pc0args -e 'v=(y+.5)/yres;vleft=v;vright=v' \
                -e 'vbelow=(y-.5)/yres;vabove=(y+1.5)/yres' \
                -x $legwidth -y $legheight > $td/scol.pic
( echo $label; cnt $ndivs \
                | rcalc -e '$1='"($scale)*imap(($ndivs-.5-"'$1'")/$ndivs)" \
                -e "$imap" ) \
        | psign -s -.15 -cf 1 1 1 -cb 0 0 0 \
                -h `ev "floor($legheight/$ndivs+.5)"` > $td/slab.pic
if ( $?doextrem ) then
        pextrem -o $picture > $td/extrema
        set minpos=`sed 2d $td/extrema | rcalc -e '$2=$2;$1=$1+'"$legwidth"`
        set minval=`rcalc -e '$1=($3*.3+$4*.59+$5*.11)*'"$mult" $td/extrema | sed -e 2d -e 's/\(.....\).*$/\1/'`
        set maxpos=`sed 1d $td/extrema | rcalc -e '$2=$2;$1=$1+'"$legwidth"`
        set maxval=`rcalc -e '$1=($3*.3+$4*.59+$5*.11)*'"$mult" $td/extrema | sed -e 1d -e 's/\(.....\).*$/\1/'`
        psign -s -.15 -a 2 -h 16 $minval > $td/minv.pic
        psign -s -.15 -a 2 -h 16 $maxval > $td/maxv.pic
        pcomb $pc0args $pc1args $picture $cpict \
                | pcompos $td/scol.pic 0 0 -t .2 $td/slab.pic 0 20 \
                  - $legwidth 0 $td/minv.pic $minpos $td/maxv.pic $maxpos
else
        pcomb $pc0args $pc1args $picture $cpict \
                | pcompos $td/scol.pic 0 0 -t .2 $td/slab.pic 0 20 - $legwidth 0
endif
quit:
rm -rf $td
Revision:	2.3
Committed:	Fri Aug 21 15:46:11 1992 UTC (31 years, 8 months ago) by greg
Content type:	application/x-csh
Branch:	MAIN
Changes since 2.2:	+25 -4 lines
Log Message:	added -e option for printing extrema on image
#	User	Rev	Content
1	greg	1.1	#!/bin/csh -f
2			# SCCSid "$SunId$ LBL"
3			#
4			# Create false color image with legend
5			#
6	greg	1.5	set td=/usr/tmp/fc$$
7	greg	1.1	onintr quit
8	greg	1.9	set mult=179
9	greg	1.1	set label=Nits
10			set scale=1000
11	greg	1.3	set decades=0
12	greg	1.5	set redv='1.6*v-.6'
13			set grnv='if(v-.375,1.6-1.6v,8/3v)'
14			set bluv='1-8/3*v'
15	greg	1.1	set ndivs=8
16			set picture='-'
17			set cpict=
18	greg	1.5	set legwidth=100
19			set legheight=200
20	greg	1.1	while ($#argv > 0)
21			switch ($argv[1])
22			case -m:
23			shift argv
24			set mult="$argv[1]"
25			breaksw
26			case -s:
27			shift argv
28			set scale="$argv[1]"
29			breaksw
30			case -l:
31			shift argv
32			set label="$argv[1]"
33			breaksw
34	greg	1.3	case -log:
35			shift argv
36			set decades=$argv[1]
37			breaksw
38	greg	1.1	case -r:
39			shift argv
40			set redv="$argv[1]"
41			breaksw
42			case -g:
43			shift argv
44			set grnv="$argv[1]"
45			breaksw
46			case -b:
47			shift argv
48			set bluv="$argv[1]"
49			breaksw
50			case -i:
51			shift argv
52			set picture="$argv[1]"
53			breaksw
54			case -p:
55			shift argv
56			set cpict="$argv[1]"
57			breaksw
58			case -ip:
59			case -pi:
60	greg	1.2	shift argv
61	greg	1.1	set picture="$argv[1]"
62			set cpict="$argv[1]"
63			breaksw
64			case -cl:
65			set docont=a
66			breaksw
67			case -cb:
68			set docont=b
69			breaksw
70	greg	2.3	case -e:
71			set doextrem
72			set needfile
73			breaksw
74	greg	1.1	case -n:
75	greg	1.2	shift argv
76	greg	1.1	set ndivs="$argv[1]"
77	greg	1.2	breaksw
78	greg	1.1	default:
79	greg	1.3	echo bad option "'$argv[1]'" >/dev/tty
80	greg	1.1	exit 1
81			endsw
82			shift argv
83			end
84	greg	1.5	mkdir $td
85			cat > $td/pc0.cal <<_EOF_
86	greg	1.8	PI : 3.14159265358979323846 ;
87	greg	1.1	scale : $scale ;
88			mult : $mult ;
89			ndivs : $ndivs ;
90
91			or(a,b) : if(a,a,b);
92			EPS : 1e-7;
93			neq(a,b) : if(a-b-EPS,1,b-a-EPS);
94	greg	1.7	btwn(a,x,b) : if(a-x,-1,b-x);
95	greg	1.5	clip(x) : if(x-1,1,if(x,x,0));
96	greg	1.1	frac(x) : x - floor(x);
97	greg	2.2	boundary(a,b) : neq(floor(ndivsa+.5),floor(ndivsb+.5));
98	greg	1.1
99	greg	1.6	isconta = if(btwn(0,v,1),or(boundary(vleft,vright),boundary(vabove,vbelow)),-1);
100	greg	1.5	iscontb = if(btwn(0,v,1),btwn(.4,frac(ndivs*v),.6),-1);
101	greg	1.1
102	greg	1.5	ro = if(in,clip($redv),ra);
103			go = if(in,clip($grnv),ga);
104			bo = if(in,clip($bluv),ba);
105
106			ra = 0;
107			ga = 0;
108			ba = 0;
109
110			in = 1;
111			_EOF_
112			cat > $td/pc1.cal <<_EOF_
113			norm : mult/scale/le(1);
114
115	greg	1.4	v = map(li(1)*norm);
116	greg	1.5
117	greg	1.4	vleft = map(li(1,-1,0)*norm);
118			vright = map(li(1,1,0)*norm);
119			vabove = map(li(1,0,1)*norm);
120			vbelow = map(li(1,0,-1)*norm);
121	greg	1.1
122	greg	1.5	map(x) = x;
123	greg	1.1
124			ra = ri(nfiles);
125			ga = gi(nfiles);
126			ba = bi(nfiles);
127			_EOF_
128	greg	1.5	set pc0args=(-f $td/pc0.cal)
129			set pc1args=(-f $td/pc1.cal)
130	greg	1.1	if ($?docont) then
131	greg	1.5	set pc0args=($pc0args -e "in=iscont$docont")
132	greg	1.1	endif
133			if ("$cpict" == "") then
134	greg	1.5	set pc1args=($pc1args -e 'ra=0;ga=0;ba=0')
135	greg	1.1	else if ("$cpict" == "$picture") then
136			set cpict=
137			endif
138	greg	2.3	if ($?needfile && "$picture" == '-') then
139			cat > $td/picture
140			set picture=$td/picture
141			endif
142	greg	1.3	if ($decades > 0) then
143	greg	1.5	set pc1args=($pc1args -e "map(x)=if(x-10^-$decades,log10(x)/$decades+1,0)")
144	greg	1.3	set imap="imap(y)=10^((y-1)*$decades)"
145			else
146			set imap="imap(y)=y"
147			endif
148	greg	1.5	pcomb $pc0args -e 'v=(y+.5)/yres;vleft=v;vright=v' \
149			-e 'vbelow=(y-.5)/yres;vabove=(y+1.5)/yres' \
150			-x $legwidth -y $legheight > $td/scol.pic
151	greg	1.3	( echo $label; cnt $ndivs \
152			\| rcalc -e '$1='"($scale)*imap(($ndivs-.5-"'$1'")/$ndivs)" \
153			-e "$imap" ) \
154	greg	2.3	\| psign -s -.15 -cf 1 1 1 -cb 0 0 0 \
155			-h `ev "floor($legheight/$ndivs+.5)"` > $td/slab.pic
156			if ( $?doextrem ) then
157			pextrem -o $picture > $td/extrema
158			set minpos=`sed 2d $td/extrema \| rcalc -e '$2=$2;$1=$1+'"$legwidth"`
159			set minval=`rcalc -e '$1=($3.3+$4.59+$5.11)'"$mult" $td/extrema \| sed -e 2d -e 's/\(.....\).*$/\1/'`
160			set maxpos=`sed 1d $td/extrema \| rcalc -e '$2=$2;$1=$1+'"$legwidth"`
161			set maxval=`rcalc -e '$1=($3.3+$4.59+$5.11)'"$mult" $td/extrema \| sed -e 1d -e 's/\(.....\).*$/\1/'`
162			psign -s -.15 -a 2 -h 16 $minval > $td/minv.pic
163			psign -s -.15 -a 2 -h 16 $maxval > $td/maxv.pic
164			pcomb $pc0args $pc1args $picture $cpict \
165			\| pcompos $td/scol.pic 0 0 -t .2 $td/slab.pic 0 20 \
166			- $legwidth 0 $td/minv.pic $minpos $td/maxv.pic $maxpos
167			else
168			pcomb $pc0args $pc1args $picture $cpict \
169			\| pcompos $td/scol.pic 0 0 -t .2 $td/slab.pic 0 20 - $legwidth 0
170			endif
171	greg	1.1	quit:
172	greg	1.5	rm -rf $td