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(.); }
21 our %vxname2pos; # $vxname2pos{VXNAME} = Math::GSL::Vector
23 sub TAU { M_PI * 2.0; }
24 sub MM2PT { 72.0 / 25.4; }
28 # ----- region names from plag, incl. reverse mapping -----
32 sub prep_region_rmap () {
33 foreach my $rn (keys %region) {
34 my $prs = plag_prs($rn);
35 die if $prs2region{$prs};
36 $prs2region{$prs} = $rn;
40 our $sre = qr{(?:(\")|(?=\w))(.*)\1$}; # 2 captures, $2 is the name
43 # bodgery for the sea and land
44 return 'NZ' if m/ \| / && !grep { !m{^(?:NZ|L2?)$} } split / \| /, $_[0];
45 $prs2region{$_[0]} // confess "@_ ?"
47 sub prs2rr ($) { $region{prs2r($_[0])} }
49 #----- file reader for plag output -----
53 # $region{NAME}{Adj}[]{Ends}[]{VxName}
54 # $region{NAME}{Adj}[]{Ends}[]{Pos}
55 # $region{NAME}{Polygon}{Pos}
56 # $region{NAME}{Special}
59 # $region{NAME}{Adj}[]{Ends}[]{Adjoins}
60 # $region{NAME}{Polygon}{Adjoins}
61 # which should be ignored
63 open P, "<", $facesf or die $!;
64 while (<P>) { last if m/^\&faces$/; }
67 my $process_rr = sub {
69 if ($rr->{Name} eq 'NZ') {
70 # We combined L and NZ; now we must split them again
71 # in fact, we just throw away L and L2 entirely.
72 # Here, when processing NZ, we keep only vertices that
75 my $evxname = $_->{VxName};
76 my @eregions = split / \| ?/, $evxname;
77 grep { $_ eq 'NZ' } @eregions
80 $rr->{Polygon} = [ @edges ];
81 if ($rr->{Name} ne 'NZ') {
82 for my $ei (0..$#edges) {
83 if (!defined $last_ai) {
85 for my $ai (0..$#{ $rr->{Adj} }) {
86 next unless $rr->{Adj}[$ai]{Name} eq $edges[$ei]{Adjoins};
89 confess $edges[$ei]{Adjoins}.' ?' unless defined $last_ai;
91 my $ai = ($last_ai-1+@edges) % @edges;
93 my $adj = $rr->{Adj}[$ai];
94 confess Dumper($adj->{Name}, $edges[$ei]{Adjoins},
95 $rr, \@edges, $ei, $adj, $last_ai, $ai)." ?"
96 unless $adj->{Name} eq $edges[$ei]{Adjoins};
99 $adj->{Ends}[$endi] = $edges[ ($ei + $endi) % @edges ];
108 $!=0; $_=<P> // confess $!;
112 $process_rr->() if $rr;
113 $rr= prs2rr($new_face);
114 } elsif (m/^\s+$sre$/) {
117 push @edges, { VxName => $vxname };
118 } elsif (m/^\s+\^adjoins\s+$sre$/) {
119 $edges[-1]{Adjoins} = prs2r($2);
120 } elsif (m/^\s+\^\@([-e.0-9]+)\,([-e.0-9]+)$/) {
121 my $pos = mkvec($1,$2);
122 confess unless defined $vxname;
123 $edges[-1]{Pos} = $pos;
124 $vxname2pos{$vxname} = $pos;
129 $region{$_}{Special} = 1 foreach qw(NZ L L2);
132 #----- geometry mangling -----
136 map { $_->{Pos} } @{ $adj->{Ends} };
139 sub calculate_centres () {
141 # $region{NAME}{Centre}
142 foreach my $rr (values %region) {
143 next if $rr->{Special};
144 my $sum = Math::GSL::Vector->new(2);
146 foreach my $adj (@{ $rr->{Adj} }) {
147 my @ends = adj_ends($adj);
148 my $w = ($ends[1] - $ends[0])->norm();
149 $sum += $w * $_ foreach @ends;
152 $rr->{Centre} = $sum * (0.5 / $wsum);
156 sub for_each_pos ($) {
159 my ($pr,$rr,$why) = @_;
160 return unless defined $$pr;
163 foreach my $rr (values %region) {
164 $call->( \ $rr->{Centre}, $rr, $rr->{Name}." C" );
165 foreach my $vertex (@{ $rr->{Polygon} }) {
166 $call->( \ $vertex->{Pos}, $rr, $rr->{Name}." | ".$vertex->{Adjoins} );
174 sprintf "%g,%g", $v->get(0), $v->get(1);
177 sub mkvec ($$) { Math::GSL::Vector->new(\@_) }
178 sub vec2atan ($) { my ($dir) = @_; atan2 $dir->get(1), $dir->get(0); }
180 sub transform_coordinates () {
181 # Adjusts coordinates in graph to be [0,0] .. top right (scaled)
182 # until it's all in PostScript points
183 my @or = map { $region{$_}{Centre} } @{ $c{OrientRegions} };
184 my $dir = $or[1] - $or[0];
185 my $theta = vec2atan($dir);
186 my $rotateby = (90. - $c{OrientBearing}) * ((TAU)/360.) - $theta;
187 my $s = sin($rotateby);
188 my $c = cos($rotateby);
189 my $transform = Math::GSL::Matrix->new(2,2);
190 $transform->set_row(0, [ $c, -$s ]);
191 $transform->set_row(1, [ $s, $c ]);
192 print STDERR "rotate was=",prvec($dir)," theta=$theta",
193 " rotateby=$rotateby s=$s c=$c\n";
195 foreach my $topend (qw(0 1)) {
196 my $v = $topend ? -$GSL_DBL_MAX : $GSL_DBL_MAX;
197 $lims[$topend] = mkvec($v,$v);
200 my ($pr, $rr, $why) = @_;
201 my $y = Math::GSL::Vector->new(2);
202 gsl_blas_dgemv($CblasNoTrans,
203 1.0, $transform->raw,
207 #print STDERR "gsl_blas_dgemv ",prvec($$pr)," => ",prvec($y),"\n";
208 gsl_blas_dcopy($y->raw, $$pr->raw)
210 foreach my $topend (qw(0 1)) {
211 foreach my $xy (qw(0 1)) {
212 my $now = $y->get($xy);
213 my $lim = $lims[$topend]->get($xy);
214 #print STDERR "?set $topend $xy $now $lim\n";
215 next if $topend ? ($now <= $lim) : ($now >= $lim);
216 $lims[$topend]->set([$xy], [$now]);
217 #print STDERR "set $topend $xy $now\n";
221 print STDERR "lims ",prvec($lims[0])," .. ",prvec($lims[1]),"\n";
222 my $translate = -$lims[0];
223 print STDERR "translate ",prvec($translate),"\n";
224 my $scale = $c{GraphScale} * MM2PT;
227 gsl_vector_add($$pr->raw, $translate->raw) and confess;
228 gsl_vector_scale($$pr->raw, $scale) and confess;
230 $mid = ($lims[1] - $lims[0]) * 0.5;
234 my $poly = $region{NZ}{Polygon};
236 foreach my $v (@$poly) {
237 $occurs{$v->{VxName}}++
239 foreach my $v (@$poly) {
240 $v->{NZ_Occurs} = $occurs{$v->{VxName}};
242 print STDERR " nz ".(scalar @$poly)."\n";
245 $poly->[($ei+@$poly) % @$poly]{NZ_Occurs} > 1
247 for my $ei (0..$#$poly) {
248 next if $occurs_m->($ei);
249 next unless $occurs_m->($ei-1);
250 next unless $occurs_m->($ei+1);
251 print STDERR " nz would adjust $poly->[$ei]{VxName}\n";
252 # adjust coord outwards
254 for my $ei (0..$#$poly) {
255 next unless $occurs_m->($ei);
256 print STDERR " nz occurs_m $ei $poly->[$ei]{VxName}\n";
257 next unless $occurs_m->($ei-1);
258 my $dleft = mkvec(-1000,0);
259 foreach my $which (0,-1) {
260 my $ej = ($ei + $which + @$poly) % @$poly;
261 my $ek = ($ei + +1 + 3*$which + @$poly) % @$poly;
262 my $posj = \ $poly->[$ej]{Pos};
263 my $posk = \ $poly->[$ek]{Pos};
264 my $dout = $$posk - $$posj;
265 print STDERR " nz adj j=$ej ",prvec($$posj)," $poly->[$ej]{VxName}\n";
266 print STDERR " nz adj k=$ek ",prvec($$posk)," $poly->[$ek]{VxName}\n";
267 if ($poly->[$ej]{VxName} =~ /Noorderzijlvest/) {
268 print STDERR " nz adj extra\n";
269 $$posk = $$posj + 10 * mkvec(100,-50);
271 $$posj = $$posj + $dleft + $dout*10;
272 $$posk = $$posk + $dout*10;
279 sprintf "%20.6f %20.6f", $pos->get(0),$pos->get(1)
284 o("% $rr->{Name}\n");
287 foreach my $vertex (@{ $rr->{Polygon} }) {
288 my $pos = $vertex->{Pos};
289 o(sprintf " %s %s\n", psvec($pos), $xto);
296 my ($spec, $adj1) = @_;
297 confess unless defined $spec;
298 my @rgb = map { hex($_) / 15.0 } split //, $spec;
302 (map { sprintf "%.6f ", $_ } @rgb
309 my $printeredge = 5 * MM2PT;
311 my $ysz = 3 * 595 - 4 * $printeredge;
314 %%BoundingBox 0 0 $xsz $ysz
324 #o(" 0.52 dup scale\n") if $xopts =~ m/S/;
325 #o("%%Box 0 0 $xsz $ysz");
326 # xxx split into pages?
345 sub lighterpscolour ($$) {
346 my ($colourname, $retain) = @_;
347 pscolour($c{Colours}{$colourname},
348 sub { $_ = 1.0 - $retain * (1.0 - $_) foreach @_ })
351 sub darkerpscolour ($$) {
352 my ($colourname, $retain) = @_;
353 pscolour($c{Colours}{$colourname},
354 sub { $_ = $retain * $_ foreach @_ })
357 sub facepscolour ($) {
358 my ($colourname) = @_;
359 $xopts =~ m/W/ ? '1 setgray' : lighterpscolour($colourname, 0.75);
363 o("clippath ", facepscolour('land'), " fill\n");
364 foreach my $rr (values %region) {
365 next if $rr->{Name} =~ m/^L2?$/;
367 o(" ", facepscolour($rr->{Colour}), " eofill\n");
373 sub some_edge_faces (@) {
374 o("$edge_lw setlinewidth 1 setlinejoin 0 setgray\n");
375 foreach my $rr (@_) {
376 next if $rr->{Name} =~ m/^L2?$/;
383 my ($adj) = grep { $_->{Name} eq 'NZ' } @{ $region{'ZZ'}{Adj} };
385 my (@pos) = adj_ends($adj);
386 my $mid = 0.5 * ($pos[0] + $pos[1]);
387 my $r = 0.5 * ($pos[1] - $pos[0])->norm();
388 o(sprintf <<'END', facepscolour('sea'), psvec($mid), $r);
390 %s %s %s 0 360 arc closepath fill
392 some_edge_faces(()); # just sets the colour
393 o(sprintf <<END, map { psvec($_) } @pos);
394 newpath %s moveto %s lineto
395 [ $dash $dash ] $dash 0.5 mul setdash
399 one_hs('purple', $mid);
403 some_edge_faces($region{'NZ'});
405 some_edge_faces(grep {
406 $_->{Name} !~ m{^(?:L2?|NZ|ZZ)$}
410 our $hs_sz = 17 * MM2PT;
413 sub token_circle ($$$$) {
414 my ($what, $pos, $fillcolour, $edgecolour) = @_;
415 o(sprintf <<END, $what, $fillcolour, psvec($pos), $hs_sz/2, $edgecolour);
418 %s %f 0 360 arc closepath gsave fill grestore
419 %s $hs_lw setlinewidth stroke
424 my ($colour, $hspos) = @_;
425 token_circle("HS - $colour",
427 darkerpscolour($colour, 0.75),
431 our $cube_sz = 6 * MM2PT;
432 our $cube_gap = $cube_sz * 0.2;
433 our $cube_lw = ($cube_sz * 0.1);
437 my $shadow = $sz * 0.1;
438 o(" /Helvetica-Bold findfont $sz scalefont setfont\n");
439 my %hs = map { $_ => 1 } @{ $c{HS} };
440 foreach my $rr (values %region) {
441 next if $rr->{Special};
442 my $words = $rr->{DisplayName};
443 my $pos = $rr->{Centre} + mkvec( 0, 0.5 * $sz * @$words );
444 if ($hs{$rr->{Name}}) {
445 print STDERR "adjust hs $rr->{Name}\n";
446 $pos -= mkvec(0, -$hs_sz*
447 ( $rr->{Colour} eq 'green' ? 0.25 : 0.65 ));
448 my $hspos = $pos - mkvec(0, $sz * @$words + $hs_sz/2 + $hs_lw
450 one_hs($rr->{Colour}, $hspos);
452 my $w = $rr->{Water};
454 print STDERR " water $w in $rr->{Name}\n";
455 my $down = water_cubes_sz(2) - water_cubes_sz(1) + $cube_gap;
456 $pos -= mkvec(0, -0.5 * $down);
458 o(" ", psvec($pos), " translate\n");
459 o(" 0 ", -($sz * @$words), " translate\n");
460 o(" ", -0.5 * water_cubes_sz($w)," ", -$down, " translate\n");
465 foreach my $word (@$words) {
466 $pos += mkvec(0,-$sz);
467 o(" ", psvec($pos), " moveto");
470 ($word) dup stringwidth pop % word xw
471 -0.5 mul 0 rmoveto % word
483 1 setgray 0 0 words pop pop
488 sub water_cubes_sz($){
490 ($cube_sz + $cube_lw) * $n + ($cube_gap * ($n-1));
496 for my $i (0..$n-1) {
497 o(" newpath ", $i * ($cube_sz + $cube_lw + $cube_gap)," 0 moveto\n");
498 o(" $s 0 rlineto\n");
499 o(" 0 $s rlineto\n");
500 o(" -$s 0 rlineto closepath\n");
501 o(" gsave ", pscolour($c{Colours}{sea}), " fill grestore\n");
502 o(" gsave ", '0 setgray ', $cube_lw,
503 " setlinewidth stroke grestore \n");
508 o("% sea level track\n");
509 o(" gsave 10 660 translate\n");
510 my $track = $c{SeaTrack};
511 my $token_sz = $hs_sz;
512 my $dy = $token_sz * 1.25;
513 my $linecolour = darkerpscolour('sea', 0.25);
515 for my $i (0..$#$track) {
516 $pos[$i] = mkvec(0, ($i - 0.5 * @$track) * $dy);
518 my $prepline = "$linecolour $hs_lw setlinewidth newpath";
520 o(" ",psvec($pos[0])," moveto ",psvec($pos[-1])," lineto stroke\n");
522 token_circle("SL", $pos,
523 darkerpscolour('sea', 0.75),
526 for my $i (0..$#pos-1) {
527 my $differs = $track->[$i] != $track->[$i+1];
528 next unless $differs || $track->[$i]==2 && $track->[$i+2]!=2;
531 psvec($pos[$i] + mkvec(-0.0 * $token_sz, $dy/2))," translate\n");
534 " ",psvec(mkvec( $token_sz * 1.25 + $cube_sz, 0 )),
535 " rlineto stroke\n");
537 o(" ",($token_sz * 0.6 + $cube_gap)," ",($cube_gap + $hs_lw),
540 my $new_n = $track->[$i+1] - 2;
541 o(" ", 0.5 * (water_cubes_sz(2) - water_cubes_sz($new_n)),
542 " ", (water_cubes_sz(2)-water_cubes_sz(1)), " translate\n");
552 my $lw = $edge_lw * 0.25;
555 foreach my $rr (values %region) {
556 next if $rr->{Special};
557 next if $rr->{Colour} eq 'high';
558 foreach my $adj (@{ $rr->{Adj} }) {
559 my $neigh = $adj->{Name};
560 o(" % dyke $rr->{Name} --- $neigh\n");
561 next if $neigh lt $rr->{Name} && !$region{$neigh}{Special};
562 next if $region{$neigh}{Colour} eq 'high';
563 my @ends = adj_ends($adj);
564 my $dirn = $ends[1] - $ends[0];
565 my $angle = vec2atan($dirn);
567 o(" ", psvec( 0.5 * ($ends[0] + $ends[1]) )," translate\n");
568 o(" ", ($angle * 360 / TAU), " rotate\n");
569 o(" newpath -$l2 -$w2 moveto\n");
570 o(" $l2 -$w2 lineto\n");
571 o(" $l2 $w2 lineto\n");
572 o(" -$l2 $w2 lineto closepath\n");
573 o(" gsave 0.50 setgray fill grestore\n");
574 o(" gsave 0.00 setgray stroke grestore\n");
580 #----- main program -----
582 $xopts = shift @ARGV if $ARGV[0] =~ s/^-X//;
584 ($facesf, @ARGV) = @ARGV or die;
589 transform_coordinates();
600 # xxx HS initial locations
601 # xxx HS instructions
602 # xxx overall instructions
606 print STDERR Dumper(\%region) if $ENV{'GENERATE_BOARD_DUP'};
609 # cperl-indent-level: 2