6 use Math::GSL::Vector qw/:all/;
7 use Math::GSL::Matrix qw/:all/;
9 use Math::GSL::BLAS qw/:all/;
10 use Math::GSL::CBLAS qw/:all/;
11 use Math::GSL::Machine qw/:all/;
15 BEGIN { unshift @INC, qw(.); }
20 our $bounding = 'Entire';
22 our %vxname2pos; # $vxname2pos{VXNAME} = Math::GSL::Vector
23 our %bb; # $r{Bounding...}[0..3] = points
25 sub TAU { M_PI * 2.0; }
26 sub MM2PT { 72.0 / 25.4; }
34 our $max_printeredge = 5.50 * MM2PT;
37 # ----- region names from plag, incl. reverse mapping -----
41 sub prep_region_rmap () {
42 foreach my $rn (keys %region) {
43 my $prs = plag_prs($rn);
44 die if $prs2region{$prs};
45 $prs2region{$prs} = $rn;
49 our $sre = qr{(?:(\")|(?=\w))(.*)\1$}; # 2 captures, $2 is the name
52 # bodgery for the sea and land
53 return 'NZ' if m/ \| / && !grep { !m{^(?:NZ|L2?)$} } split / \| /, $_[0];
54 $prs2region{$_[0]} // confess "@_ ?"
56 sub prs2rr ($) { $region{prs2r($_[0])} }
58 #----- file reader for plag output -----
62 # $region{NAME}{Adj}[]{Ends}[]{VxName}
63 # $region{NAME}{Adj}[]{Ends}[]{Pos}
64 # $region{NAME}{Polygon}{Pos}
65 # $region{NAME}{Special}
68 # $region{NAME}{Adj}[]{Ends}[]{Adjoins}
69 # $region{NAME}{Polygon}{Adjoins}
70 # which should be ignored
72 open P, "<", $facesf or die $!;
73 while (<P>) { last if m/^\&faces$/; }
76 my $process_rr = sub {
78 if ($rr->{Name} eq 'NZ') {
79 # We combined L and NZ; now we must split them again
80 # in fact, we just throw away L and L2 entirely.
81 # Here, when processing NZ, we keep only vertices that
84 my $evxname = $_->{VxName};
85 my @eregions = split / \| ?/, $evxname;
86 grep { $_ eq 'NZ' } @eregions
89 $rr->{Polygon} = [ @edges ];
90 if ($rr->{Name} ne 'NZ') {
91 for my $ei (0..$#edges) {
92 if (!defined $last_ai) {
94 for my $ai (0..$#{ $rr->{Adj} }) {
95 next unless $rr->{Adj}[$ai]{Name} eq $edges[$ei]{Adjoins};
98 confess $edges[$ei]{Adjoins}.' ?' unless defined $last_ai;
100 my $ai = ($last_ai-1+@edges) % @edges;
102 my $adj = $rr->{Adj}[$ai];
103 confess Dumper($adj->{Name}, $edges[$ei]{Adjoins},
104 $rr, \@edges, $ei, $adj, $last_ai, $ai)." ?"
105 unless $adj->{Name} eq $edges[$ei]{Adjoins};
107 for my $endi (0..1) {
108 $adj->{Ends}[$endi] = $edges[ ($ei + $endi) % @edges ];
117 $!=0; $_=<P> // confess $!;
121 $process_rr->() if $rr;
122 $rr= prs2rr($new_face);
123 } elsif (m/^\s+$sre$/) {
126 push @edges, { VxName => $vxname };
127 } elsif (m/^\s+\^adjoins\s+$sre$/) {
128 $edges[-1]{Adjoins} = prs2r($2);
129 } elsif (m/^\s+\^\@([-e.0-9]+)\,([-e.0-9]+)$/) {
130 my $pos = mkvec($1,$2);
131 confess unless defined $vxname;
132 $edges[-1]{Pos} = $pos;
133 $vxname2pos{$vxname} = $pos;
138 $region{$_}{Special} = 1 foreach qw(NZ L L2);
141 #----- geometry mangling -----
145 map { $_->{Pos} } @{ $adj->{Ends} };
148 sub calculate_centres () {
150 # $region{NAME}{Centre}
151 foreach my $rr (values %region) {
152 next if $rr->{Special};
153 my $sum = Math::GSL::Vector->new(2);
155 foreach my $adj (@{ $rr->{Adj} }) {
156 my @ends = adj_ends($adj);
157 my $w = ($ends[1] - $ends[0])->norm();
158 $sum += $w * $_ foreach @ends;
161 $rr->{Centre} = $sum * (0.5 / $wsum);
165 sub for_each_pos ($) {
168 my ($pr,$rr,$why) = @_;
169 return unless defined $$pr;
172 foreach my $rr (values %region) {
173 $call->( \ $rr->{Centre}, $rr, $rr->{Name}." C" );
174 foreach my $vertex (@{ $rr->{Polygon} }) {
175 $call->( \ $vertex->{Pos}, $rr, $rr->{Name}." | ".$vertex->{Adjoins} );
183 sprintf "%g,%g", $v->get(0), $v->get(1);
186 sub mkvec ($$) { Math::GSL::Vector->new(\@_) }
187 sub vec2atan ($) { my ($dir) = @_; atan2 $dir->get(1), $dir->get(0); }
189 sub transform_coordinates () {
190 # Adjusts coordinates in graph to be [0,0] .. top right (scaled)
191 # until it's all in PostScript points
192 my @or = map { $region{$_}{Centre} } @{ $c{OrientRegions} };
193 my $dir = $or[1] - $or[0];
194 my $theta = vec2atan($dir);
195 my $rotateby = (90. - $c{OrientBearing}) * ((TAU)/360.) - $theta;
196 my $s = sin($rotateby);
197 my $c = cos($rotateby);
198 my $transform = Math::GSL::Matrix->new(2,2);
199 $transform->set_row(0, [ $c, -$s ]);
200 $transform->set_row(1, [ $s, $c ]);
201 print STDERR "rotate was=",prvec($dir)," theta=$theta",
202 " rotateby=$rotateby s=$s c=$c\n";
204 foreach my $topend (qw(0 1)) {
205 my $v = $topend ? -$GSL_DBL_MAX : $GSL_DBL_MAX;
206 $lims[$topend] = mkvec($v,$v);
209 my ($pr, $rr, $why) = @_;
210 my $y = Math::GSL::Vector->new(2);
211 gsl_blas_dgemv($CblasNoTrans,
212 1.0, $transform->raw,
216 #print STDERR "gsl_blas_dgemv ",prvec($$pr)," => ",prvec($y),"\n";
217 gsl_blas_dcopy($y->raw, $$pr->raw)
219 foreach my $topend (qw(0 1)) {
220 foreach my $xy (qw(0 1)) {
221 my $now = $y->get($xy);
222 my $lim = $lims[$topend]->get($xy);
223 #print STDERR "?set $topend $xy $now $lim\n";
224 next if $topend ? ($now <= $lim) : ($now >= $lim);
225 $lims[$topend]->set([$xy], [$now]);
226 #print STDERR "set $topend $xy $now\n";
230 print STDERR "lims ",prvec($lims[0])," .. ",prvec($lims[1]),"\n";
231 my $translate = -$lims[0];
232 print STDERR "translate ",prvec($translate),"\n";
233 my $scale = $c{GraphScale} * MM2PT;
236 gsl_vector_add($$pr->raw, $translate->raw) and confess;
237 gsl_vector_scale($$pr->raw, $scale) and confess;
239 $mid = ($lims[1] - $lims[0]) * 0.5;
243 my $poly = $region{NZ}{Polygon};
245 foreach my $v (@$poly) {
246 $occurs{$v->{VxName}}++
248 foreach my $v (@$poly) {
249 $v->{NZ_Occurs} = $occurs{$v->{VxName}};
251 print STDERR " nz ".(scalar @$poly)."\n";
254 $poly->[($ei+@$poly) % @$poly]{NZ_Occurs} > 1
256 for my $ei (0..$#$poly) {
257 next if $occurs_m->($ei);
258 next unless $occurs_m->($ei-1);
259 next unless $occurs_m->($ei+1);
260 print STDERR " nz would adjust $poly->[$ei]{VxName}\n";
261 # adjust coord outwards
263 for my $ei (0..$#$poly) {
264 next unless $occurs_m->($ei);
265 print STDERR " nz occurs_m $ei $poly->[$ei]{VxName}\n";
266 next unless $occurs_m->($ei-1);
267 my $dleft = mkvec(-1000,0);
268 foreach my $which (0,-1) {
269 my $ej = ($ei + $which + @$poly) % @$poly;
270 my $ek = ($ei + +1 + 3*$which + @$poly) % @$poly;
271 my $posj = \ $poly->[$ej]{Pos};
272 my $posk = \ $poly->[$ek]{Pos};
273 my $dout = $$posk - $$posj;
274 print STDERR " nz adj j=$ej ",prvec($$posj)," $poly->[$ej]{VxName}\n";
275 print STDERR " nz adj k=$ek ",prvec($$posk)," $poly->[$ek]{VxName}\n";
276 if ($poly->[$ej]{VxName} =~ /Noorderzijlvest/) {
277 print STDERR " nz adj extra\n";
278 $$posk = $$posj + 10 * mkvec(100,-50);
280 $$posj = $$posj + $dleft + $dout*10;
281 $$posk = $$posk + $dout*10;
288 sprintf "%20.6f %20.6f", $pos->get(0),$pos->get(1)
293 o("% $rr->{Name}\n");
296 foreach my $vertex (@{ $rr->{Polygon} }) {
297 my $pos = $vertex->{Pos};
298 o(sprintf " %s %s\n", psvec($pos), $xto);
304 sub computeboundings() {
305 $bb{Entire} = [ 0,0, $a4_h, $a4_w + $a3_h ];
306 $bb{PageB} = [ 0,0, $a4_h, $a4_w ];
307 my $page2minprintable = sub {
308 my (@p) = @{ $_[0] };
309 [ $p[0] + $max_printeredge,
310 $p[1] + $max_printeredge,
311 $p[2] - $max_printeredge,
312 $p[3] - $max_printeredge ];
314 $bb{PrintableB} = $page2minprintable->($bb{PageB});
315 my $mt_offset = $bb{PrintableB}[3] - $max_printeredge;
316 $bb{PageMT} = [ 0, $mt_offset, $a4_h, $mt_offset + $a3_h ];
317 $bb{PrintableMT} = $page2minprintable->($bb{PageMT});
318 $bb{PrintableAll} = [
319 @{ $bb{PrintableB} }[0..1],
320 @{ $bb{PrintableMT} }[2..3],
324 sub showboundings () {
325 return unless $xopts =~ m/B/;
326 o(" grestore gsave\n");
330 foreach my $bname (sort keys %bb) {
331 o(sprintf " 1 %d %d setrgbcolor\n",
332 !!($bname =~ m/^Page/),
336 o(" [ $on $off ] ".($i * ($on+$off))," setdash newpath\n");
337 my @p = @{ $bb{$bname} };
338 o(" $p[0] $p[1] moveto\n");
339 o(" $p[2] $p[1] lineto\n");
340 o(" $p[2] $p[3] lineto\n");
341 o(" $p[0] $p[3] lineto\n");
342 o(" closepath stroke\n");
348 # CPerl-mode does a really awful thing with %s in the preamble
349 # and postamble, causing constant useless flashing
350 # So we write & in the here docs and transform them back:
351 my ($t) = join '', @_;
352 $t =~ s/^\&+/ '%' x length $& /mge;
357 my $bb = $bb{$bounding}; confess $bounding unless $bb;
358 my $sz = [ $bb->[2] - $bb->[0], $bb->[3] - $bb->[1] ];
367 << /PageSize [ @$sz ] >> setpagedevice
372 # xxx split into pages
392 my ($spec, $adj1) = @_;
393 confess unless defined $spec;
394 my @rgb = map { hex($_) / 15.0 } split //, $spec;
398 (map { sprintf "%.6f ", $_ } @rgb
404 sub lighterpscolour ($$) {
405 my ($colourname, $retain) = @_;
406 pscolour($c{Colours}{$colourname},
407 sub { $_ = 1.0 - $retain * (1.0 - $_) foreach @_ })
410 sub darkerpscolour ($$) {
411 my ($colourname, $retain) = @_;
412 pscolour($c{Colours}{$colourname},
413 sub { $_ = $retain * $_ foreach @_ })
416 sub facepscolour ($) {
417 my ($colourname) = @_;
418 $xopts =~ m/W/ ? '1 setgray' : lighterpscolour($colourname, 0.75);
421 sub miscpscolour ($) {
422 my ($colourname) = @_;
423 pscolour($c{Colours}{$colourname});
426 sub cubeedgepscolour () { '0 setgray ' }
427 sub seatrackedgepscolour () { darkerpscolour('cube', 0.25) }
428 # xxx ^ combine these - which one ?
431 o("clippath ", facepscolour('land'), " fill\n");
432 foreach my $rr (values %region) {
433 next if $rr->{Name} =~ m/^L2?$/;
435 o(" ", facepscolour($rr->{Colour}), " eofill\n");
441 sub some_edge_faces (@) {
442 o("$edge_lw setlinewidth 1 setlinejoin 0 setgray\n");
443 foreach my $rr (@_) {
444 next if $rr->{Name} =~ m/^L2?$/;
451 my ($adj) = grep { $_->{Name} eq 'NZ' } @{ $region{'ZZ'}{Adj} };
453 my (@pos) = adj_ends($adj);
454 my $mid = 0.5 * ($pos[0] + $pos[1]);
455 my $r = 0.5 * ($pos[1] - $pos[0])->norm();
456 o(sprintf <<'END', facepscolour('sea'), psvec($mid), $r);
458 %s %s %s 0 360 arc closepath fill
460 some_edge_faces(()); # just sets the colour
461 o(sprintf <<END, map { psvec($_) } @pos);
462 newpath %s moveto %s lineto
463 [ $dash $dash ] $dash 0.5 mul setdash
467 one_hs('purple', $mid);
471 some_edge_faces($region{'NZ'});
473 some_edge_faces(grep {
474 $_->{Name} !~ m{^(?:L2?|NZ|ZZ)$}
478 our $hs_sz = 17 * MM2PT;
483 sub token_circle ($$$$;$$) {
484 my ($what, $pos, $fillcolour, $edgecolour, $sz,$lw) = @_;
487 o(sprintf <<END, $what, $fillcolour, psvec($pos), $sz/2, $edgecolour);
490 %s %f 0 360 arc closepath gsave fill grestore
491 %s $lw setlinewidth stroke
496 my ($colour, $hspos, $sz, $lw) = @_;
497 token_circle("HS - $colour",
499 darkerpscolour($colour, 0.75),
504 our $cube_sz = 6 * MM2PT;
505 our $cube_gap = $cube_sz * 0.2;
506 our $cube_lw = ($cube_sz * 0.1);
510 my $shadow = $sz * 0.1;
518 1 setgray 0 0 words pop pop
521 o(" /Helvetica-Bold findfont $sz scalefont setfont\n");
522 my %hs = map { $_ => 1 } @{ $c{HS} };
523 foreach my $rr (values %region) {
524 next if $rr->{Name} =~ m/^L\d?$/;
525 my $words = $rr->{DisplayName};
527 if ($rr->{Name} eq 'NZ') {
528 $pos = mkvec(90, 1280);
530 $pos = $rr->{Centre} + mkvec( 0, 0.5 * $sz * @$words );
532 if ($hs{$rr->{Name}}) {
533 print STDERR "adjust hs $rr->{Name}\n";
534 $pos -= mkvec(0, -$hs_sz*
535 ( $rr->{Colour} eq 'green' ? 0.25 : 0.65 ));
536 my $hspos = $pos - mkvec(0, $sz * @$words + $hs_sz/2 + $hs_lw
538 one_hs($rr->{Colour}, $hspos);
540 my $adjust = $c{TextAdjust}{$rr->{Name}};
542 $pos += $sz * &mkvec(@$adjust);
544 my $w = $rr->{Water};
545 $w = 2 if $rr->{Special} || $rr->{Name} eq 'ZZ';
547 print STDERR " water $w in $rr->{Name}\n";
548 my $down = water_cubes_sz(2) - water_cubes_sz(1) + $cube_gap;
549 $pos -= mkvec(0, -0.5 * $down);
550 my $cube_y = -($sz * @$words);
551 if ($rr->{Name} eq 'Wieringermeer') {
552 $pos -= mkvec(0,+$sz);
557 o(" ", psvec($pos), " translate\n");
558 o(" 0 ", $cube_y, " translate\n");
559 o(" ", -0.5 * water_cubes_sz($w)," ", -$down, " translate\n");
564 foreach my $word (@$words) {
565 $pos += mkvec(0,-$sz);
566 o(" ", psvec($pos), " moveto");
569 ($word) dup stringwidth pop % word xw
570 -0.5 mul 0 rmoveto % word
582 sub water_cubes_sz($){
584 ($cube_sz + $cube_lw) * $n + ($cube_gap * ($n-1));
590 for my $i (0..$n-1) {
591 o(" newpath ", $i * ($cube_sz + $cube_lw + $cube_gap)," 0 moveto\n");
592 o(" $s 0 rlineto\n");
593 o(" 0 $s rlineto\n");
594 o(" -$s 0 rlineto closepath\n");
595 o(" gsave ", miscpscolour('cube'), " fill grestore\n");
596 o(" gsave ", cubeedgepscolour(), $cube_lw,
597 " setlinewidth stroke grestore \n");
601 my $deck_h = 89 * MM2PT;
605 o(" /deck1path {\n");
609 o(" ",($w/2)," 0 moveto\n");
614 foreach my $i (0..3) {
615 o(" @{ $p[$i] } @{ $p[($i + 1) % 4] } $r arct\n");
619 o(" /deckpairpathx {\n"); # x because it leaves matrix changed
620 o(" newpath deck1path\n");
621 o(" 200 0 translate deck1path\n");
623 o(" $lw setlinewidth 1 setgray\n");
624 o(" gsave 401 44 translate deckpairpathx stroke grestore");
625 o(" $lw setlinewidth ",miscpscolour('dykefail'),"\n");
626 o(" gsave 242 1363 translate 90 rotate deckpairpathx stroke grestore");
630 o("% sea level track\n");
631 o(" gsave 11 700 translate\n");
632 my $track = $c{SeaTrack};
633 my $token_sz = $hs_sz;
634 my $dy = $token_sz * 1.25;
635 my $dx = $token_sz * 1.25;
636 my $linecolour = seatrackedgepscolour();
638 for my $i (0..$#$track) {
639 $pos[$i] = mkvec(0, ($i - 0.5 * @$track) * $dy);
641 my $prepline = "$linecolour $hs_lw setlinewidth newpath";
643 o(" ",psvec($pos[0])," moveto ",psvec($pos[-1])," lineto stroke\n");
645 token_circle("SL", $pos,
646 miscpscolour('cube'),
650 for my $i (0..$#pos) {
651 my $differs = $track->[$i] != $last;
652 $last = $track->[$i];
653 next unless $differs;
656 psvec($pos[$i] + mkvec(-0.0 * $token_sz, $dy/2))," translate\n");
659 my $shrink = ($hs_sz * 0.75 / $deck_h);
660 o(" gsave % T M $i\n");
661 o(" -43.5 -6.5 translate\n");
662 o(" 0.8 .8 scale \n");
663 o(" ",0.6 * $dx, " ", -0.28 * $dy," translate\n");
665 o(" $shrink dup scale -90 rotate\n");
666 o(" newpath ", ($hs_lw / $shrink)," setlinewidth\n");
667 o(" deck1path stroke\n");
669 o(" /Helvetica-Bold findfont $t_sz scalefont setfont\n");
670 o(" 12 -21.5 moveto ($track->[$i]) show");
675 " ",psvec(mkvec( $dx + $cube_sz, 0 )),
676 " rlineto stroke\n");
678 o(" ",($token_sz * 0.6 + $cube_gap)," ",
679 (-$dy * 0.5 - 0.5 * (water_cubes_sz(2))),
681 my $bottom = int(($track->[$i+1] + 1) / 2);
682 water_cubes($bottom);
683 my $new_n = $track->[$i+1] - $bottom;
684 o(" ", 0.5 * (water_cubes_sz($bottom) - water_cubes_sz($new_n)),
685 " ", (water_cubes_sz(2)-water_cubes_sz(1)), " translate\n");
692 our $dyke_l = 25 * MM2PT;;
697 my $lw = $edge_lw * 0.50;
701 o(" -$l2 -$w2 moveto\n");
702 o(" $l2 -$w2 lineto\n");
703 o(" $l2 $w2 lineto\n");
704 o(" -$l2 $w2 lineto closepath\n");
707 o(" newpath dykepath\n");
708 o(" gsave 0.50 setgray fill grestore\n");
709 o(" gsave 0.00 setgray $lw setlinewidth stroke grestore\n");
711 my $symbol_sz = $w * 1.50;
712 my $t_sz = $symbol_sz * 1.0;
715 print STDERR "ANG $ang\n";
716 map { $t_sz * 0.5 * $_ } cos($ang), sin($ang);
718 my @t0 = $t_at->((TAU) * 0.25 );
719 my @t1 = $t_at->((TAU) * (0.25 + 1./3) );
720 my @t2 = $t_at->((TAU) * (0.25 + 2./3) );
721 o(" /dtriangle {\n");
722 o(" newpath @t0 moveto\n");
724 o(" @t2 lineto closepath\n");
725 o(" gsave ",miscpscolour('dykeinit')," fill grestore\n");
726 o(" gsave 0 setgray $lw setlinewidth stroke grestore\n");
728 foreach my $rr (values %region) {
729 next if $rr->{Special};
730 next if $rr->{Name} eq 'ZZ';
731 next if $rr->{Colour} eq 'high';
732 foreach my $adj (@{ $rr->{Adj} }) {
733 my $neigh = $adj->{Name};
734 o(" % dyke $rr->{Name} --- $neigh\n");
735 next if $neigh lt $rr->{Name} && !$region{$neigh}{Special};
736 next if $region{$neigh}{Colour} eq 'high';
737 my @ends = adj_ends($adj);
738 my $dirn = $ends[1] - $ends[0];
739 my $angle = vec2atan($dirn);
740 $angle = $angle * 360 / TAU;
742 o(" ", psvec( 0.5 * ($ends[0] + $ends[1]) )," translate\n");
743 o(" $angle rotate\n");
744 my $initial = $adj->{Dykes};
746 ? [ map { $_ - 0.5 * ($initial-1) } 0..$initial-1 ]
748 foreach my $y (@$ys) {
749 o(" gsave 0 ", $y * $w, " translate dyke ");
752 my $nsymbols = $initial + !!$adj->{Deltawerk};
753 o(" ", -0.5 * $symbol_sz * ($nsymbols-1)," 0 translate\n");
754 my $trans = " $symbol_sz 0 translate";
755 if ($adj->{Deltawerk}) {
756 one_hs('red', mkvec(0,0), $symbol_sz * 0.8, $lw);
759 foreach my $i (1..$initial) {
760 o(" gsave $angle neg rotate dtriangle grestore\n");
769 sub hs_initial_1 ($$$;$$$) {
770 my ($colour, $xi,$yi, $text, $text2, $fn) = @_;
771 my $interval = $hs_sz * 1.75;
772 my $demo_h = $hs_sz; #water_cubes_sz(3);
773 my $demo_x0 = $hs_sz * 0.75 + $dyke_l * 0.60;
774 my $demo_w = $demo_x0 + $dyke_l * 0.60;
775 o(" % HS I $colour\n");
777 o(" 550 1705 translate\n");
778 o(" ", ($xi*$interval), " ", (($yi-1)*$interval), " translate\n");
781 o(" $demo_h setlinewidth 0 0 moveto $demo_w 0 rlineto\n");
782 o(" ", facepscolour($colour), " stroke grestore\n");
784 one_hs($colour, mkvec(0,0));
787 o(" 2 copy moveto ($text) show");
788 o(" 2 copy moveto 0 -$text_sz rmoveto ($text2) show");
790 o(" gsave ".($hs_sz * 0.8)." $cube_gap translate wordsshow grestore\n");
791 o(" $demo_x0 ",($hs_sz * -0.25)," translate\n");
798 hs_initial_1('red', 0,0);
799 hs_initial_1('purple', 0,1);
800 hs_initial_1('green', 1,0, 'up to 6', 'fewer', sub {
801 o(" ",(water_cubes_sz(1))," 0 translate\n");
802 o(" 0 ",(-water_cubes_sz(1) * 0.3)," translate\n");
805 hs_initial_1('yellow', 1,1, 'up to 4', '', sub {
806 o(" newpath dykepath\n");
807 o(" gsave 0.50 setgray fill grestore\n");
808 o(" gsave ",miscpscolour('dykehsadd')," fill grestore\n");
814 o(" gsave 0 setgray 260 1715 translate");
815 o(" /Helvetica-Bold findfont $sz scalefont setfont");
816 my @t = split /\n/, $c{PlayHint};
817 foreach my $i (0..$#t) {
819 $t =~ s/[\\()]/\\$&/g;
820 o(" 0 ",(-$i * $sz)," moveto ($t) show");
825 #----- main program -----
827 $xopts = shift @ARGV if $ARGV[0] =~ s/^-X//;
828 $bounding = $1 if $xopts =~ s/b(\w+)//;
830 ($facesf, @ARGV) = @ARGV or die;
835 transform_coordinates();
851 print STDERR Dumper(\%region) if $ENV{'GENERATE_BOARD_DUP'};
854 # cperl-indent-level: 2