--- ray/src/px/falsecolor.csh	2005/02/16 05:40:11	2.12
+++ ray/src/px/falsecolor.csh	2005/11/18 22:50:21	2.15
@@ -1,5 +1,5 @@
 #!/bin/csh -fe
-# RCSid: $Id: falsecolor.csh,v 2.12 2005/02/16 05:40:11 greg Exp $
+# RCSid: $Id: falsecolor.csh,v 2.15 2005/11/18 22:50:21 greg Exp $
 #
 # Create false color image with legend
 #
@@ -11,9 +11,12 @@ 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 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 redv='def_red(v)'
+set grnv='def_grn(v)'
+set bluv='def_blu(v)'
 set ndivs=8
 set picture='-'
 set cpict=
@@ -109,18 +112,39 @@ 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));
 
+interp_arr2(i,x,f):(i+1-x)*f(i)+(x-i)*f(i+1);
+interp_arr(x,f):if(x-1,if(f(0)-x,interp_arr2(floor(x),x,f),f(f(0))),f(1));
+def_redp(i):select(i,0.18848,0.05468174,
+0.00103547,8.311144e-08,7.449763e-06,0.0004390987,0.001367254,
+0.003076,0.01376382,0.06170773,0.1739422,0.2881156,0.3299725,
+0.3552663,0.372552,0.3921184,0.4363976,0.6102754,0.7757267,
+0.9087369,1,1,0.9863);
+def_red(x):interp_arr(x/0.0454545+1,def_redp);
+def_grnp(i):select(i,0.0009766,2.35501e-05,
+0.0008966244,0.0264977,0.1256843,0.2865799,0.4247083,0.4739468,
+0.4402732,0.3671876,0.2629843,0.1725325,0.1206819,0.07316644,
+0.03761026,0.01612362,0.004773749,6.830967e-06,0.00803605,
+0.1008085,0.3106831,0.6447838,0.9707);
+def_grn(x):interp_arr(x/0.0454545+1,def_grnp);
+def_blup(i):select(i,0.2666,0.3638662,0.4770437,
+0.5131397,0.5363797,0.5193677,0.4085123,0.1702815,0.05314236,
+0.05194055,0.08564082,0.09881395,0.08324373,0.06072902,
+0.0391076,0.02315354,0.01284458,0.005184709,0.001691774,
+2.432735e-05,1.212949e-05,0.006659406,0.02539);
+def_blu(x):interp_arr(x/0.0454545+1,def_blup);
+
 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;
+
+ro = if(in,clip($redv),ra);
+go = if(in,clip($grnv),ga);
+bo = if(in,clip($bluv),ba);
 _EOF_
 cat > $td/pc1.cal <<_EOF_
 norm : mult/scale/le(1);
@@ -182,11 +206,16 @@ if ( $?doextrem ) then
 	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 $loff \
+		| pcompos $td/scol.pic 0 0 \
+			+t .1 "\!pcomb -e 'lo=1-gi(1)' $td/slab.pic" \
+			`ev 2 $loff-1` -t .5 $td/slab.pic 0 $loff \
 		  - $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 $loff - $legwidth 0
+		| pcompos $td/scol.pic 0 0 \
+			+t .1 "\!pcomb -e 'lo=1-gi(1)' $td/slab.pic" \
+			`ev 2 $loff-1` -t .5 $td/slab.pic 0 $loff \
+			- $legwidth 0
 endif
 quit:
 rm -rf $td