| 21 |
|
my $cpict = ''; |
| 22 |
|
my $legwidth = 100; # Legend width and height |
| 23 |
|
my $legheight = 200; |
| 24 |
< |
my $docont = ''; # Contours |
| 24 |
> |
my $docont = ''; # Contours: -cl and -cb |
| 25 |
> |
my $doposter = 0; # Posterization: -cp |
| 26 |
|
my $loff = 0; # Offset to align with values |
| 27 |
|
my $doextrem = 0; # Don't mark extrema |
| 28 |
|
my $needfile = 0; |
| 29 |
+ |
my $showpal = 0; # Show availabel colour palettes |
| 30 |
|
|
| 31 |
|
while ($#ARGV >= 0) { |
| 32 |
|
$_ = shift; |
| 77 |
|
} elsif (m/-cb/) { # Contour bands |
| 78 |
|
$docont = 'b'; |
| 79 |
|
$loff = 0.52; |
| 80 |
+ |
} elsif (m/-cp/) { # Posterize |
| 81 |
+ |
$doposter = 1; |
| 82 |
+ |
} elsif (m/-palettes/) { # Show all available palettes |
| 83 |
+ |
$scale = 45824; # 256 * 179 |
| 84 |
+ |
$showpal = 1; |
| 85 |
|
} elsif (m/-e/) { |
| 86 |
|
$doextrem = 1; |
| 87 |
|
$needfile = 1; |
| 107 |
|
close(FHpic); |
| 108 |
|
|
| 109 |
|
if ($cpict eq '-') { |
| 110 |
< |
$cpict = "$td/stdin.hdr"; |
| 110 |
> |
$cpict = "$td/stdin.hdr"; |
| 111 |
|
} |
| 112 |
|
} |
| 113 |
|
|
| 144 |
|
|
| 145 |
|
pm3d_red(x) = sqrt(x) ^ gamma; |
| 146 |
|
pm3d_grn(x) = (x*x*x) ^ gamma; |
| 147 |
< |
pm3d_blu(x) = clip(sin(2*PI*x)) ^ gamma; |
| 147 |
> |
pm3d_blu(x) = clip(sin(2*PI*clip(x))) ^ gamma; |
| 148 |
|
|
| 149 |
|
hot_red(x) = clip(3*x) ^ gamma; |
| 150 |
|
hot_grn(x) = clip(3*x - 1) ^ gamma; |
| 187 |
|
go = if(in,clip($grnv),ga); |
| 188 |
|
bo = if(in,clip($bluv),ba); |
| 189 |
|
EndOfPC0 |
| 190 |
+ |
close FHpc0; |
| 191 |
|
|
| 192 |
|
my $pc1 = "$td/pc1.cal"; |
| 193 |
|
open(FHpc1, ">$pc1"); |
| 207 |
|
ga = gi(nfiles); |
| 208 |
|
ba = bi(nfiles); |
| 209 |
|
EndOfPC1 |
| 210 |
+ |
close FHpc1; |
| 211 |
|
|
| 212 |
|
my $pc0args = "-f $pc0"; |
| 213 |
|
my $pc1args = "-f $pc1"; |
| 214 |
|
|
| 215 |
< |
# Contour lines or bands |
| 215 |
> |
if ($showpal == 1) { |
| 216 |
> |
my $pc = "pcompos -a 1"; |
| 217 |
> |
foreach my $pal (@palettes) { |
| 218 |
> |
my $fcimg = "$td/$pal.hdr"; |
| 219 |
> |
my $lbimg = "$td/${pal}_label.hdr"; |
| 220 |
> |
system "psign -cb 0 0 0 -cf 1 1 1 -h 20 $pal > $lbimg"; |
| 221 |
> |
|
| 222 |
> |
my $cmd = qq[pcomb $pc0args -e "v=x/256"]; |
| 223 |
> |
$cmd .= qq[ -e "ro=clip(${pal}_red(v));go=clip(${pal}_grn(v));bo=clip(${pal}_blu(v))"]; |
| 224 |
> |
$cmd .= qq[ -x 256 -y 30 > $fcimg]; |
| 225 |
> |
system "$cmd"; |
| 226 |
> |
$pc .= " $fcimg $lbimg"; |
| 227 |
> |
} |
| 228 |
> |
system "$pc"; |
| 229 |
> |
exit 0; |
| 230 |
> |
} |
| 231 |
> |
|
| 232 |
> |
# Contours |
| 233 |
|
if ($docont ne '') { |
| 234 |
< |
$pc0args .= " -e 'in=iscont$docont'"; |
| 234 |
> |
# -cl -> $docont = a |
| 235 |
> |
# -cb -> $docont = b |
| 236 |
> |
$pc0args .= qq[ -e "in=iscont$docont"]; |
| 237 |
> |
} elsif ($doposter == 1) { |
| 238 |
> |
# -cp -> $doposter = 1 |
| 239 |
> |
$pc0args .= qq[ -e "ro=${pal}_red(seg(v));go=${pal}_grn(seg(v));bo=${pal}_blu(seg(v))"]; |
| 240 |
> |
$pc0args .= q[ -e "seg(x)=(floor(v*ndivs)+.5)/ndivs"]; |
| 241 |
|
} |
| 242 |
|
|
| 243 |
|
if ($cpict eq '') { |
| 244 |
< |
$pc1args .= " -e 'ra=0;ga=0;ba=0'"; |
| 244 |
> |
$pc1args .= qq[ -e "ra=0;ga=0;ba=0"]; |
| 245 |
|
} elsif ($cpict eq $picture) { |
| 246 |
|
$cpict = ''; |
| 247 |
|
} |
| 248 |
|
|
| 249 |
|
# Logarithmic mapping |
| 250 |
|
if ($decades > 0) { |
| 251 |
< |
$pc1args .= " -e 'map(x)=if(x-10^-$decades,log10(x)/$decades+1,0)'"; |
| 251 |
> |
$pc1args .= qq[ -e "map(x)=if(x-10^-$decades,log10(x)/$decades+1,0)"]; |
| 252 |
|
} |
| 253 |
|
|
| 254 |
|
# Colours in the legend |
| 255 |
|
my $scolpic = "$td/scol.hdr"; |
| 256 |
+ |
|
| 257 |
|
# Labels in the legend |
| 258 |
|
my $slabpic = "$td/slab.hdr"; |
| 259 |
|
my $cmd; |
| 272 |
|
} else { |
| 273 |
|
$value *= $imap; |
| 274 |
|
} |
| 275 |
+ |
|
| 276 |
|
# Have no more than 3 decimal places |
| 277 |
|
$value =~ s/(\.[0-9]{3})[0-9]*/$1/; |
| 278 |
|
$text .= "\n$value"; |
| 279 |
|
} |
| 280 |
< |
$cmd = "echo '$text' | psign -s -.15 -cf 1 1 1 -cb 0 0 0"; |
| 281 |
< |
$cmd .= " -h $sheight > $slabpic"; |
| 282 |
< |
system $cmd; |
| 280 |
> |
open PSIGN, "| psign -s -.15 -cf 1 1 1 -cb 0 0 0 -h $sheight > $slabpic"; |
| 281 |
> |
print PSIGN "$text"; |
| 282 |
> |
close PSIGN; |
| 283 |
|
|
| 284 |
|
# Legend: Create the background colours |
| 285 |
< |
$cmd = "pcomb $pc0args -e 'v=(y+.5)/yres;vleft=v;vright=v'"; |
| 286 |
< |
$cmd .= " -e 'vbelow=(y-.5)/yres;vabove=(y+1.5)/yres'"; |
| 287 |
< |
$cmd .= " -x $legwidth -y $legheight > $scolpic"; |
| 285 |
> |
$cmd = qq[pcomb $pc0args]; |
| 286 |
> |
$cmd .= q[ -e "v=(y+.5)/yres;vleft=v;vright=v"]; |
| 287 |
> |
$cmd .= q[ -e "vbelow=(y-.5)/yres;vabove=(y+1.5)/yres"]; |
| 288 |
> |
$cmd .= qq[ -x $legwidth -y $legheight > $scolpic]; |
| 289 |
|
system $cmd; |
| 290 |
|
} else { |
| 291 |
|
# Legend is too small to be legible. Don't bother doing one. |
| 292 |
|
$legwidth = 0; |
| 293 |
|
$legheight = 0; |
| 294 |
|
$loff = 0; |
| 295 |
+ |
|
| 296 |
|
# Create dummy colour scale and legend labels so we don't |
| 297 |
|
# need to change the final command line. |
| 298 |
|
open(FHscolpic, ">$scolpic"); |
| 305 |
|
|
| 306 |
|
# Legend: Invert the text labels (for dropshadow) |
| 307 |
|
my $slabinvpic = "$td/slabinv.hdr"; |
| 308 |
< |
$cmd = "pcomb -e 'lo=1-gi(1)' $slabpic > $slabinvpic"; |
| 308 |
> |
$cmd = qq[pcomb -e "lo=1-gi(1)" $slabpic > $slabinvpic]; |
| 309 |
|
system $cmd; |
| 310 |
|
|
| 311 |
|
my $loff1 = $loff - 1; |
| 312 |
+ |
|
| 313 |
|
# Command line without extrema |
| 314 |
< |
$cmd = "pcomb $pc0args $pc1args $picture $cpict"; |
| 315 |
< |
$cmd .= "| pcompos $scolpic 0 0 +t .1 $slabinvpic 2 $loff1"; |
| 316 |
< |
$cmd .= " -t .5 $slabpic 0 $loff - $legwidth 0"; |
| 314 |
> |
$cmd = qq[pcomb $pc0args $pc1args $picture $cpict]; |
| 315 |
> |
$cmd .= qq[ | pcompos $scolpic 0 0 +t .1 $slabinvpic 2 $loff1]; |
| 316 |
> |
$cmd .= qq[ -t .5 $slabpic 0 $loff - $legwidth 0]; |
| 317 |
|
|
| 318 |
|
if ($doextrem == 1) { |
| 319 |
|
# Get min/max image luminance |
| 333 |
|
my $minpos = "$lxmin $ymin"; |
| 334 |
|
my $minval = ($rmin * .27 + $gmin * .67 + $bmin * .06) * $mult; |
| 335 |
|
$minval =~ s/(\.[0-9]{3})[0-9]*/$1/; |
| 299 |
– |
my $maxpos = "$lxmax $ymax"; |
| 336 |
|
my $maxval = ($rmax * .27 + $gmax * .67 + $bmax * .06) * $mult; |
| 337 |
|
$maxval =~ s/(\.[0-9]{3})[0-9]*/$1/; |
| 338 |
|
|
| 339 |
|
# Create the labels for min/max intensity |
| 340 |
|
my $minvpic = "$td/minv.hdr"; |
| 341 |
< |
$cmd1 = "psign -s -.15 -a 2 -h 16 $minval > $minvpic"; |
| 306 |
< |
system $cmd1; |
| 341 |
> |
system "psign -s -.15 -a 2 -h 16 $minval > $minvpic"; |
| 342 |
|
my $maxvpic = "$td/maxv.hdr"; |
| 343 |
< |
$cmd1 = "psign -s -.15 -a 2 -h 16 $maxval > $maxvpic"; |
| 309 |
< |
system $cmd1; |
| 343 |
> |
system "psign -s -.15 -a 2 -h 16 $maxval > $maxvpic"; |
| 344 |
|
|
| 345 |
|
# Add extrema labels to command line |
| 346 |
< |
$cmd .= " $minvpic $minpos $maxvpic $maxpos"; |
| 346 |
> |
$cmd .= qq[ $minvpic $minpos $maxvpic $lxmax $ymax]; |
| 347 |
|
} |
| 348 |
|
|
| 349 |
|
# Process image and combine with legend |
