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 |