| 6 |
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use File::Temp qw/ tempdir /; |
| 7 |
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use POSIX qw/ floor /; |
| 8 |
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|
| 9 |
< |
my @palettes = ('def', 'spec', 'pm3d', 'hot'); |
| 9 |
> |
my @palettes = ('def', 'spec', 'pm3d', 'hot', 'eco'); |
| 10 |
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|
| 11 |
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my $mult = 179.0; # Multiplier. Default W/sr/m2 -> cd/m2 |
| 12 |
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my $label = 'cd/m2'; # Units shown in legend |
| 13 |
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my $scale = 1000; # Top of the scale |
| 14 |
+ |
my $matchscale = 1; # Adjust top of scale to match given label |
| 15 |
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my $decades = 0; # Default is linear mapping |
| 16 |
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my $pal = 'def'; # Palette |
| 17 |
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my $redv = "${pal}_red(v)"; # Mapping functions for R,G,B |
| 22 |
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my $cpict = ''; |
| 23 |
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my $legwidth = 100; # Legend width and height |
| 24 |
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my $legheight = 200; |
| 25 |
< |
my $docont = ''; # Contours |
| 25 |
> |
my $docont = ''; # Contours: -cl and -cb |
| 26 |
> |
my $doposter = 0; # Posterization: -cp |
| 27 |
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my $loff = 0; # Offset to align with values |
| 28 |
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my $doextrem = 0; # Don't mark extrema |
| 29 |
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my $needfile = 0; |
| 30 |
+ |
my $showpal = 0; # Show availabel colour palettes |
| 31 |
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|
| 32 |
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while ($#ARGV >= 0) { |
| 33 |
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$_ = shift; |
| 38 |
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$legheight = shift; |
| 39 |
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} elsif (m/-m/) { # Multiplier |
| 40 |
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$mult = shift; |
| 41 |
+ |
} elsif (m/-spec/) { |
| 42 |
+ |
die("depricated option '-spec'. Please use '-pal spec' instead."); |
| 43 |
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} elsif (m/-s/) { # Scale |
| 44 |
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$scale = shift; |
| 45 |
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if ($scale =~ m/[aA].*/) { |
| 46 |
+ |
$matchscale = 0; |
| 47 |
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$needfile = 1; |
| 48 |
< |
} |
| 48 |
> |
} else { |
| 49 |
> |
$matchscale = 1; |
| 50 |
> |
} |
| 51 |
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} elsif (m/-l$/) { # Label |
| 52 |
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$label = shift; |
| 53 |
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} elsif (m/-log/) { # Logarithmic mapping |
| 83 |
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} elsif (m/-cb/) { # Contour bands |
| 84 |
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$docont = 'b'; |
| 85 |
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$loff = 0.52; |
| 86 |
+ |
} elsif (m/-cp/) { # Posterize |
| 87 |
+ |
$doposter = 1; |
| 88 |
+ |
} elsif (m/-palettes/) { # Show all available palettes |
| 89 |
+ |
$scale = 45824; # 256 * 179 |
| 90 |
+ |
$showpal = 1; |
| 91 |
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} elsif (m/-e/) { |
| 92 |
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$doextrem = 1; |
| 93 |
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$needfile = 1; |
| 98 |
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} |
| 99 |
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} |
| 100 |
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|
| 101 |
+ |
if (($legwidth <= 20) || ($legheight <= 40)) { |
| 102 |
+ |
# Legend is too small to be legible. Don't bother doing one. |
| 103 |
+ |
$legwidth = 0; |
| 104 |
+ |
$legheight = 0; |
| 105 |
+ |
$loff = 0; |
| 106 |
+ |
$matchscale = 0; |
| 107 |
+ |
} |
| 108 |
+ |
|
| 109 |
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# Temporary directory. Will be removed upon successful program exit. |
| 110 |
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my $td = tempdir( CLEANUP => 1 ); |
| 111 |
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|
| 121 |
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close(FHpic); |
| 122 |
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|
| 123 |
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if ($cpict eq '-') { |
| 124 |
< |
$cpict = "$td/stdin.hdr"; |
| 124 |
> |
$cpict = "$td/stdin.hdr"; |
| 125 |
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} |
| 126 |
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} |
| 127 |
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|
| 133 |
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# 3.94282 6 |
| 134 |
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my $LogLmax = $histo[0]; |
| 135 |
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$scale = $mult / 179 * 10**$LogLmax; |
| 136 |
+ |
} elsif ($matchscale) { |
| 137 |
+ |
# Adjust scale so legend reflects -s setting |
| 138 |
+ |
if ($decades > 0) { |
| 139 |
+ |
$scale *= 10**($decades/(2.*$ndivs)); |
| 140 |
+ |
} else { |
| 141 |
+ |
$scale *= $ndivs/($ndivs - .5); |
| 142 |
+ |
} |
| 143 |
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} |
| 144 |
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|
| 145 |
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my $pc0 = "$td/pc0.cal"; |
| 165 |
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|
| 166 |
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pm3d_red(x) = sqrt(x) ^ gamma; |
| 167 |
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pm3d_grn(x) = (x*x*x) ^ gamma; |
| 168 |
< |
pm3d_blu(x) = clip(sin(2*PI*x)) ^ gamma; |
| 168 |
> |
pm3d_blu(x) = clip(sin(2*PI*clip(x))) ^ gamma; |
| 169 |
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|
| 170 |
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hot_red(x) = clip(3*x) ^ gamma; |
| 171 |
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hot_grn(x) = clip(3*x - 1) ^ gamma; |
| 172 |
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hot_blu(x) = clip(3*x - 2) ^ gamma; |
| 173 |
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|
| 174 |
+ |
eco_red(x) = clip(2*x) ^ gamma; |
| 175 |
+ |
eco_grn(x) = clip(2*(x-0.5)) ^ gamma; |
| 176 |
+ |
eco_blu(x) = clip(2*(0.5-x)) ^ gamma; |
| 177 |
+ |
|
| 178 |
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interp_arr2(i,x,f):(i+1-x)*f(i)+(x-i)*f(i+1); |
| 179 |
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interp_arr(x,f):if(x-1,if(f(0)-x,interp_arr2(floor(x),x,f),f(f(0))),f(1)); |
| 180 |
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|
| 212 |
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go = if(in,clip($grnv),ga); |
| 213 |
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bo = if(in,clip($bluv),ba); |
| 214 |
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EndOfPC0 |
| 215 |
+ |
close FHpc0; |
| 216 |
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|
| 217 |
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my $pc1 = "$td/pc1.cal"; |
| 218 |
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open(FHpc1, ">$pc1"); |
| 232 |
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ga = gi(nfiles); |
| 233 |
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ba = bi(nfiles); |
| 234 |
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EndOfPC1 |
| 235 |
+ |
close FHpc1; |
| 236 |
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|
| 237 |
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my $pc0args = "-f $pc0"; |
| 238 |
|
my $pc1args = "-f $pc1"; |
| 239 |
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|
| 240 |
< |
# Contour lines or bands |
| 240 |
> |
if ($showpal == 1) { |
| 241 |
> |
my $pc = "pcompos -a 1"; |
| 242 |
> |
foreach my $pal (@palettes) { |
| 243 |
> |
my $fcimg = "$td/$pal.hdr"; |
| 244 |
> |
my $lbimg = "$td/${pal}_label.hdr"; |
| 245 |
> |
system "psign -cb 0 0 0 -cf 1 1 1 -h 20 $pal > $lbimg"; |
| 246 |
> |
|
| 247 |
> |
my $cmd = qq[pcomb $pc0args -e "v=x/256"]; |
| 248 |
> |
$cmd .= qq[ -e "ro=clip(${pal}_red(v));go=clip(${pal}_grn(v));bo=clip(${pal}_blu(v))"]; |
| 249 |
> |
$cmd .= qq[ -x 256 -y 30 > $fcimg]; |
| 250 |
> |
system "$cmd"; |
| 251 |
> |
$pc .= " $fcimg $lbimg"; |
| 252 |
> |
} |
| 253 |
> |
system "$pc"; |
| 254 |
> |
exit 0; |
| 255 |
> |
} |
| 256 |
> |
|
| 257 |
> |
# Contours |
| 258 |
|
if ($docont ne '') { |
| 259 |
< |
$pc0args .= " -e 'in=iscont$docont'"; |
| 259 |
> |
# -cl -> $docont = a |
| 260 |
> |
# -cb -> $docont = b |
| 261 |
> |
$pc0args .= qq[ -e "in=iscont$docont"]; |
| 262 |
> |
} elsif ($doposter == 1) { |
| 263 |
> |
# -cp -> $doposter = 1 |
| 264 |
> |
$pc0args .= qq[ -e "ro=${pal}_red(seg(v));go=${pal}_grn(seg(v));bo=${pal}_blu(seg(v))"]; |
| 265 |
> |
$pc0args .= q[ -e "seg(x)=(floor(v*ndivs)+.5)/ndivs"]; |
| 266 |
|
} |
| 267 |
|
|
| 268 |
|
if ($cpict eq '') { |
| 269 |
< |
$pc1args .= " -e 'ra=0;ga=0;ba=0'"; |
| 269 |
> |
$pc1args .= qq[ -e "ra=0;ga=0;ba=0"]; |
| 270 |
|
} elsif ($cpict eq $picture) { |
| 271 |
|
$cpict = ''; |
| 272 |
|
} |
| 273 |
|
|
| 274 |
|
# Logarithmic mapping |
| 275 |
|
if ($decades > 0) { |
| 276 |
< |
$pc1args .= " -e 'map(x)=if(x-10^-$decades,log10(x)/$decades+1,0)'"; |
| 276 |
> |
$pc1args .= qq[ -e "map(x)=if(x-10^-$decades,log10(x)/$decades+1,0)"]; |
| 277 |
|
} |
| 278 |
|
|
| 279 |
|
# Colours in the legend |
| 280 |
|
my $scolpic = "$td/scol.hdr"; |
| 281 |
+ |
|
| 282 |
|
# Labels in the legend |
| 283 |
|
my $slabpic = "$td/slab.hdr"; |
| 284 |
|
my $cmd; |
| 285 |
|
|
| 286 |
< |
if (($legwidth > 20) && ($legheight > 40)) { |
| 286 |
> |
if ($legwidth > 0) { |
| 287 |
|
# Legend: Create the text labels |
| 288 |
|
my $sheight = floor($legheight / $ndivs + 0.5); |
| 289 |
|
$legheight = $sheight * $ndivs; |
| 297 |
|
} else { |
| 298 |
|
$value *= $imap; |
| 299 |
|
} |
| 300 |
+ |
|
| 301 |
|
# Have no more than 3 decimal places |
| 302 |
|
$value =~ s/(\.[0-9]{3})[0-9]*/$1/; |
| 303 |
|
$text .= "\n$value"; |
| 304 |
|
} |
| 305 |
< |
$cmd = "echo '$text' | psign -s -.15 -cf 1 1 1 -cb 0 0 0"; |
| 306 |
< |
$cmd .= " -h $sheight > $slabpic"; |
| 307 |
< |
system $cmd; |
| 305 |
> |
open PSIGN, "| psign -s -.15 -cf 1 1 1 -cb 0 0 0 -h $sheight > $slabpic"; |
| 306 |
> |
print PSIGN "$text\n"; |
| 307 |
> |
close PSIGN; |
| 308 |
|
|
| 309 |
|
# Legend: Create the background colours |
| 310 |
< |
$cmd = "pcomb $pc0args -e 'v=(y+.5)/yres;vleft=v;vright=v'"; |
| 311 |
< |
$cmd .= " -e 'vbelow=(y-.5)/yres;vabove=(y+1.5)/yres'"; |
| 312 |
< |
$cmd .= " -x $legwidth -y $legheight > $scolpic"; |
| 310 |
> |
$cmd = qq[pcomb $pc0args]; |
| 311 |
> |
$cmd .= q[ -e "v=(y+.5)/yres;vleft=v;vright=v"]; |
| 312 |
> |
$cmd .= q[ -e "vbelow=(y-.5)/yres;vabove=(y+1.5)/yres"]; |
| 313 |
> |
$cmd .= qq[ -x $legwidth -y $legheight > $scolpic]; |
| 314 |
|
system $cmd; |
| 315 |
|
} else { |
| 256 |
– |
# Legend is too small to be legible. Don't bother doing one. |
| 257 |
– |
$legwidth = 0; |
| 258 |
– |
$legheight = 0; |
| 259 |
– |
$loff = 0; |
| 316 |
|
# Create dummy colour scale and legend labels so we don't |
| 317 |
|
# need to change the final command line. |
| 318 |
|
open(FHscolpic, ">$scolpic"); |
| 325 |
|
|
| 326 |
|
# Legend: Invert the text labels (for dropshadow) |
| 327 |
|
my $slabinvpic = "$td/slabinv.hdr"; |
| 328 |
< |
$cmd = "pcomb -e 'lo=1-gi(1)' $slabpic > $slabinvpic"; |
| 328 |
> |
$cmd = qq[pcomb -e "lo=1-gi(1)" $slabpic > $slabinvpic]; |
| 329 |
|
system $cmd; |
| 330 |
|
|
| 331 |
|
my $loff1 = $loff - 1; |
| 332 |
+ |
|
| 333 |
|
# Command line without extrema |
| 334 |
< |
$cmd = "pcomb $pc0args $pc1args $picture $cpict"; |
| 335 |
< |
$cmd .= "| pcompos $scolpic 0 0 +t .1 $slabinvpic 2 $loff1"; |
| 336 |
< |
$cmd .= " -t .5 $slabpic 0 $loff - $legwidth 0"; |
| 334 |
> |
$cmd = qq[pcomb $pc0args $pc1args "$picture"]; |
| 335 |
> |
$cmd .= qq[ "$cpict"] if ($cpict); |
| 336 |
> |
$cmd .= qq[ | pcompos $scolpic 0 0 +t .1 $slabinvpic 2 $loff1]; |
| 337 |
> |
$cmd .= qq[ -t .5 $slabpic 0 $loff - $legwidth 0]; |
| 338 |
|
|
| 339 |
|
if ($doextrem == 1) { |
| 340 |
|
# Get min/max image luminance |
| 354 |
|
my $minpos = "$lxmin $ymin"; |
| 355 |
|
my $minval = ($rmin * .27 + $gmin * .67 + $bmin * .06) * $mult; |
| 356 |
|
$minval =~ s/(\.[0-9]{3})[0-9]*/$1/; |
| 299 |
– |
my $maxpos = "$lxmax $ymax"; |
| 357 |
|
my $maxval = ($rmax * .27 + $gmax * .67 + $bmax * .06) * $mult; |
| 358 |
|
$maxval =~ s/(\.[0-9]{3})[0-9]*/$1/; |
| 359 |
|
|
| 360 |
|
# Create the labels for min/max intensity |
| 361 |
|
my $minvpic = "$td/minv.hdr"; |
| 362 |
< |
$cmd1 = "psign -s -.15 -a 2 -h 16 $minval > $minvpic"; |
| 306 |
< |
system $cmd1; |
| 362 |
> |
system "psign -s -.15 -a 2 -h 16 $minval > $minvpic"; |
| 363 |
|
my $maxvpic = "$td/maxv.hdr"; |
| 364 |
< |
$cmd1 = "psign -s -.15 -a 2 -h 16 $maxval > $maxvpic"; |
| 309 |
< |
system $cmd1; |
| 364 |
> |
system "psign -s -.15 -a 2 -h 16 $maxval > $maxvpic"; |
| 365 |
|
|
| 366 |
|
# Add extrema labels to command line |
| 367 |
< |
$cmd .= " $minvpic $minpos $maxvpic $maxpos"; |
| 367 |
> |
$cmd .= qq[ $minvpic $minpos $maxvpic $lxmax $ymax]; |
| 368 |
|
} |
| 369 |
|
|
| 370 |
|
# Process image and combine with legend |
