| 11 |
|
my $mult = 179.0; # Multiplier. Default W/sr/m2 -> cd/m2 |
| 12 |
|
my $label = 'cd/m2'; # Units shown in legend |
| 13 |
|
my $scale = 1000; # Top of the scale |
| 14 |
+ |
my $scaledigits = 3; # Number of maximum digits for numbers in legend |
| 15 |
|
my $decades = 0; # Default is linear mapping |
| 16 |
|
my $pal = 'def'; # Palette |
| 17 |
|
my $redv = "${pal}_red(v)"; # Mapping functions for R,G,B |
| 22 |
|
my $cpict = ''; |
| 23 |
|
my $legwidth = 100; # Legend width and height |
| 24 |
|
my $legheight = 200; |
| 25 |
+ |
my $haszero = 1; # print 0 in scale for falsecolor images only |
| 26 |
|
my $docont = ''; # Contours: -cl and -cb |
| 27 |
|
my $doposter = 0; # Posterization: -cp |
| 26 |
– |
my $loff = 0; # Offset to align with values |
| 28 |
|
my $doextrem = 0; # Don't mark extrema |
| 29 |
|
my $needfile = 0; |
| 30 |
|
my $showpal = 0; # Show availabel colour palettes |
| 44 |
|
$scale = shift; |
| 45 |
|
if ($scale =~ m/[aA].*/) { |
| 46 |
|
$needfile = 1; |
| 47 |
< |
} |
| 47 |
> |
} |
| 48 |
> |
} elsif (m/-d/) { # Number of maximum digits for numbers in legend |
| 49 |
> |
$scaledigits = shift; |
| 50 |
|
} elsif (m/-l$/) { # Label |
| 51 |
|
$label = shift; |
| 52 |
|
} elsif (m/-log/) { # Logarithmic mapping |
| 78 |
|
# Switches |
| 79 |
|
} elsif (m/-cl/) { # Contour lines |
| 80 |
|
$docont = 'a'; |
| 81 |
< |
$loff = 0.48; |
| 81 |
> |
$haszero = 0; |
| 82 |
|
} elsif (m/-cb/) { # Contour bands |
| 83 |
|
$docont = 'b'; |
| 84 |
< |
$loff = 0.52; |
| 84 |
> |
$haszero = 0; |
| 85 |
|
} elsif (m/-cp/) { # Posterize |
| 86 |
|
$doposter = 1; |
| 87 |
+ |
$haszero = 0; |
| 88 |
|
} elsif (m/-palettes/) { # Show all available palettes |
| 89 |
|
$scale = 45824; # 256 * 179 |
| 90 |
|
$showpal = 1; |
| 91 |
|
} elsif (m/-e/) { |
| 92 |
|
$doextrem = 1; |
| 93 |
|
$needfile = 1; |
| 90 |
– |
|
| 94 |
|
# Oops! Illegal option |
| 95 |
|
} else { |
| 96 |
|
die("bad option \"$_\"\n"); |
| 97 |
|
} |
| 98 |
|
} |
| 99 |
|
|
| 100 |
+ |
if (($legwidth <= 20) || ($legheight <= 40)) { |
| 101 |
+ |
# Legend is too small to be legible. Don't bother doing one. |
| 102 |
+ |
$legwidth = 0; |
| 103 |
+ |
$legheight = 0; |
| 104 |
+ |
} |
| 105 |
+ |
|
| 106 |
|
# Temporary directory. Will be removed upon successful program exit. |
| 107 |
|
my $td = tempdir( CLEANUP => 1 ); |
| 108 |
|
|
| 130 |
|
# 3.94282 6 |
| 131 |
|
my $LogLmax = $histo[0]; |
| 132 |
|
$scale = $mult / 179 * 10**$LogLmax; |
| 133 |
+ |
} |
| 134 |
+ |
|
| 135 |
+ |
if ($docont ne '') { |
| 136 |
+ |
# -cl -> $docont = a |
| 137 |
+ |
# -cb -> $docont = b |
| 138 |
+ |
my $newv = join( "(v-1/ndivs)*ndivs/(ndivs-1)", split("v", $redv) ); |
| 139 |
+ |
$redv = $newv; |
| 140 |
+ |
$newv = join( "(v-1/ndivs)*ndivs/(ndivs-1)", split("v", $bluv) ); |
| 141 |
+ |
$bluv = $newv; |
| 142 |
+ |
$newv = join( "(v-1/ndivs)*ndivs/(ndivs-1)", split("v", $grnv) ); |
| 143 |
+ |
$grnv = $newv; |
| 144 |
+ |
} elsif ($doposter == 1) { |
| 145 |
+ |
# -cp -> $doposter = 1 |
| 146 |
+ |
my $newv = join( "seg2(v)", split("v", $redv) ); |
| 147 |
+ |
$redv = $newv; |
| 148 |
+ |
$newv = join( "seg2(v)", split("v", $bluv) ); |
| 149 |
+ |
$bluv = $newv; |
| 150 |
+ |
$newv = join( "seg2(v)", split("v", $grnv) ); |
| 151 |
+ |
$grnv = $newv; |
| 152 |
|
} |
| 153 |
|
|
| 154 |
|
my $pc0 = "$td/pc0.cal"; |
| 166 |
|
btwn(a,x,b) : if(a-x,-1,b-x); |
| 167 |
|
clip(x) : if(x-1,1,if(x,x,0)); |
| 168 |
|
frac(x) : x - floor(x); |
| 169 |
< |
boundary(a,b) : neq(floor(ndivs*a+.5),floor(ndivs*b+.5)); |
| 169 |
> |
boundary(a,b) : neq(floor(ndivs*a),floor(ndivs*b)); |
| 170 |
|
|
| 171 |
|
spec_red(x) = 1.6*x - .6; |
| 172 |
|
spec_grn(x) = if(x-.375, 1.6-1.6*x, 8/3*x); |
| 173 |
|
spec_blu(x) = 1 - 8/3*x; |
| 174 |
|
|
| 175 |
< |
pm3d_red(x) = sqrt(x) ^ gamma; |
| 176 |
< |
pm3d_grn(x) = (x*x*x) ^ gamma; |
| 175 |
> |
pm3d_red(x) = sqrt(clip(x)) ^ gamma; |
| 176 |
> |
pm3d_grn(x) = clip(x*x*x) ^ gamma; |
| 177 |
|
pm3d_blu(x) = clip(sin(2*PI*clip(x))) ^ gamma; |
| 178 |
|
|
| 179 |
|
hot_red(x) = clip(3*x) ^ gamma; |
| 208 |
|
2.432735e-05,1.212949e-05,0.006659406,0.02539); |
| 209 |
|
def_blu(x):interp_arr(x/0.0454545+1,def_blup); |
| 210 |
|
|
| 211 |
< |
isconta = if(btwn(0,v,1),or(boundary(vleft,vright),boundary(vabove,vbelow)),-1); |
| 212 |
< |
iscontb = if(btwn(0,v,1),btwn(.4,frac(ndivs*v),.6),-1); |
| 211 |
> |
isconta = if(btwn(1/ndivs/2,v,1+1/ndivs/2),or(boundary(vleft,vright),boundary(vabove,vbelow)),-1); |
| 212 |
> |
iscontb = if(btwn(1/ndivs/2,v,1+1/ndivs/2),-btwn(.1,frac(ndivs*v),.9),-1); |
| 213 |
|
|
| 214 |
+ |
seg(x)=(floor(v*ndivs)+.5)/ndivs; |
| 215 |
+ |
seg2(x)=(seg(x)-1/ndivs)*ndivs/(ndivs-1); |
| 216 |
+ |
|
| 217 |
|
ra = 0; |
| 218 |
|
ga = 0; |
| 219 |
|
ba = 0; |
| 240 |
|
|
| 241 |
|
map(x) = x; |
| 242 |
|
|
| 243 |
+ |
|
| 244 |
|
ra = ri(nfiles); |
| 245 |
|
ga = gi(nfiles); |
| 246 |
|
ba = bi(nfiles); |
| 272 |
|
# -cl -> $docont = a |
| 273 |
|
# -cb -> $docont = b |
| 274 |
|
$pc0args .= qq[ -e "in=iscont$docont"]; |
| 243 |
– |
} elsif ($doposter == 1) { |
| 244 |
– |
# -cp -> $doposter = 1 |
| 245 |
– |
$pc0args .= qq[ -e "ro=${pal}_red(seg(v));go=${pal}_grn(seg(v));bo=${pal}_blu(seg(v))"]; |
| 246 |
– |
$pc0args .= q[ -e "seg(x)=(floor(v*ndivs)+.5)/ndivs"]; |
| 275 |
|
} |
| 276 |
|
|
| 277 |
|
if ($cpict eq '') { |
| 291 |
|
# Labels in the legend |
| 292 |
|
my $slabpic = "$td/slab.hdr"; |
| 293 |
|
my $cmd; |
| 294 |
< |
|
| 267 |
< |
if (($legwidth > 20) && ($legheight > 40)) { |
| 294 |
> |
if ($legwidth > 0) { |
| 295 |
|
# Legend: Create the text labels |
| 296 |
< |
my $sheight = floor($legheight / $ndivs + 0.5); |
| 297 |
< |
$legheight = $sheight * $ndivs; |
| 298 |
< |
$loff = floor($loff * $sheight + 0.5); |
| 299 |
< |
my $text = "$label"; |
| 300 |
< |
for (my $i=0; $i<$ndivs; $i++) { |
| 301 |
< |
my $imap = ($ndivs - 0.5 - $i) / $ndivs; |
| 296 |
> |
my $sheight = floor($legheight / $ndivs ); |
| 297 |
> |
my $theight = floor($legwidth/(8/1.67)); |
| 298 |
> |
my $stheight = $sheight <= $theight ? $sheight : $theight; |
| 299 |
> |
my $vlegheight = $sheight * $ndivs * (1+1.5/$ndivs); |
| 300 |
> |
my $text = "$label\n"; |
| 301 |
> |
my $tslabpic = "$td/slabT.hdr"; |
| 302 |
> |
open PSIGN, "| psign -s -.15 -cf 1 1 1 -cb 0 0 0 -h $stheight > $tslabpic"; |
| 303 |
> |
print PSIGN "$text"; |
| 304 |
> |
close PSIGN; |
| 305 |
> |
my $loop = $ndivs+$haszero; |
| 306 |
> |
my $hlegheight = $sheight * ($loop) + $sheight * .5; |
| 307 |
> |
my $pcompost = qq[pcompos -b 0 0 0 =-0 $tslabpic 0 $hlegheight ]; |
| 308 |
> |
for (my $i=0; $i<$loop; $i++) { |
| 309 |
> |
my $imap = ($ndivs - $i) / $ndivs; |
| 310 |
|
my $value = $scale; |
| 311 |
|
if ($decades > 0) { |
| 312 |
|
$value *= 10**(($imap - 1) * $decades); |
| 313 |
|
} else { |
| 314 |
|
$value *= $imap; |
| 315 |
|
} |
| 281 |
– |
|
| 316 |
|
# Have no more than 3 decimal places |
| 317 |
< |
$value =~ s/(\.[0-9]{3})[0-9]*/$1/; |
| 318 |
< |
$text .= "\n$value"; |
| 317 |
> |
$value =~ s/(\.[0-9]{$scaledigits})[0-9]*/$1/; |
| 318 |
> |
$text = "$value\n"; |
| 319 |
> |
$tslabpic = "$td/slab$i.hdr"; |
| 320 |
> |
open PSIGN, "| psign -s -.15 -cf 1 1 1 -cb 0 0 0 -h $stheight > $tslabpic"; |
| 321 |
> |
print PSIGN "$text"; |
| 322 |
> |
close PSIGN; |
| 323 |
> |
$hlegheight = $sheight * ($loop - $i - 1) + $sheight * .5; |
| 324 |
> |
$pcompost .= qq[=-0 $tslabpic 0 $hlegheight ]; |
| 325 |
|
} |
| 326 |
< |
open PSIGN, "| psign -s -.15 -cf 1 1 1 -cb 0 0 0 -h $sheight > $slabpic"; |
| 327 |
< |
print PSIGN "$text\n"; |
| 288 |
< |
close PSIGN; |
| 326 |
> |
$pcompost .= qq[ > $slabpic]; |
| 327 |
> |
system $pcompost; |
| 328 |
|
|
| 329 |
|
# Legend: Create the background colours |
| 330 |
|
$cmd = qq[pcomb $pc0args]; |
| 331 |
< |
$cmd .= q[ -e "v=(y+.5)/yres;vleft=v;vright=v"]; |
| 332 |
< |
$cmd .= q[ -e "vbelow=(y-.5)/yres;vabove=(y+1.5)/yres"]; |
| 333 |
< |
$cmd .= qq[ -x $legwidth -y $legheight > $scolpic]; |
| 331 |
> |
$cmd .= qq[ -x $legwidth -y $vlegheight]; |
| 332 |
> |
$cmd .= qq[ -e "v=(y+.5-$sheight)/(yres/(1+1.5/$ndivs));vleft=v;vright=v"]; |
| 333 |
> |
$cmd .= qq[ -e "vbelow=(y-.5-$sheight)/(yres/(1+1.5/$ndivs));vabove=(y+1.5-$sheight)/(yres/(1+1.5/$ndivs))"]; |
| 334 |
> |
$cmd .= qq[ -e "ra=0;ga=0;ba=0;"]; |
| 335 |
> |
$cmd .= qq[ > $scolpic]; |
| 336 |
|
system $cmd; |
| 337 |
|
} else { |
| 297 |
– |
# Legend is too small to be legible. Don't bother doing one. |
| 298 |
– |
$legwidth = 0; |
| 299 |
– |
$legheight = 0; |
| 300 |
– |
$loff = 0; |
| 301 |
– |
|
| 338 |
|
# Create dummy colour scale and legend labels so we don't |
| 339 |
|
# need to change the final command line. |
| 340 |
|
open(FHscolpic, ">$scolpic"); |
| 350 |
|
$cmd = qq[pcomb -e "lo=1-gi(1)" $slabpic > $slabinvpic]; |
| 351 |
|
system $cmd; |
| 352 |
|
|
| 317 |
– |
my $loff1 = $loff - 1; |
| 353 |
|
|
| 354 |
+ |
my $sh0 = -floor($legheight / $ndivs / 2); |
| 355 |
+ |
if ($haszero < 1) { |
| 356 |
+ |
$sh0 = -floor($legheight / ($ndivs)*1.5); |
| 357 |
+ |
} |
| 358 |
+ |
|
| 359 |
|
# Command line without extrema |
| 320 |
– |
$cmd = qq[pcomb $pc0args $pc1args $picture $cpict]; |
| 321 |
– |
$cmd .= qq[ | pcompos $scolpic 0 0 +t .1 $slabinvpic 2 $loff1]; |
| 322 |
– |
$cmd .= qq[ -t .5 $slabpic 0 $loff - $legwidth 0]; |
| 360 |
|
|
| 361 |
+ |
$cmd = qq[pcomb $pc0args $pc1args "$picture"]; |
| 362 |
+ |
$cmd .= qq[ "$cpict"] if ($cpict); |
| 363 |
+ |
$cmd .= qq[ | pcompos -b 0 0 0 $scolpic 0 $sh0 +t .1 $slabinvpic 2 -1 ]; |
| 364 |
+ |
$cmd .= qq[ -t .5 $slabpic 0 0 - $legwidth 0]; |
| 365 |
+ |
|
| 366 |
|
if ($doextrem == 1) { |
| 367 |
|
# Get min/max image luminance |
| 368 |
|
my $cmd1 = 'pextrem -o ' . $picture; |
| 380 |
|
# Weighted average of R,G,B |
| 381 |
|
my $minpos = "$lxmin $ymin"; |
| 382 |
|
my $minval = ($rmin * .27 + $gmin * .67 + $bmin * .06) * $mult; |
| 383 |
< |
$minval =~ s/(\.[0-9]{3})[0-9]*/$1/; |
| 383 |
> |
$minval =~ s/(\.[0-9]{$scaledigits})[0-9]*/$1/; |
| 384 |
|
my $maxval = ($rmax * .27 + $gmax * .67 + $bmax * .06) * $mult; |
| 385 |
< |
$maxval =~ s/(\.[0-9]{3})[0-9]*/$1/; |
| 385 |
> |
$maxval =~ s/(\.[0-9]{$scaledigits})[0-9]*/$1/; |
| 386 |
|
|
| 387 |
|
# Create the labels for min/max intensity |
| 388 |
|
my $minvpic = "$td/minv.hdr"; |
| 393 |
|
# Add extrema labels to command line |
| 394 |
|
$cmd .= qq[ $minvpic $minpos $maxvpic $lxmax $ymax]; |
| 395 |
|
} |
| 396 |
+ |
|
| 397 |
+ |
|
| 398 |
+ |
|
| 399 |
|
|
| 400 |
|
# Process image and combine with legend |
| 401 |
|
system "$cmd"; |
