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 -----
134 sub calculate_centres () {
136 # $region{NAME}{Centre}
137 foreach my $rr (values %region) {
138 next if $rr->{Special};
139 my $poly = $rr->{Polygon};
140 my $sum = Math::GSL::Vector->new(2);
141 $sum += $_->{Pos} foreach @$poly;
142 $rr->{Centre} = $sum * (1.0 / @$poly);
143 # xxx use mean edge location (ie weight by edge length)
147 sub for_each_pos ($) {
150 my ($pr,$rr,$why) = @_;
151 return unless defined $$pr;
154 foreach my $rr (values %region) {
155 $call->( \ $rr->{Centre}, $rr, $rr->{Name}." C" );
156 foreach my $vertex (@{ $rr->{Polygon} }) {
157 $call->( \ $vertex->{Pos}, $rr, $rr->{Name}." | ".$vertex->{Adjoins} );
165 sprintf "%g,%g", $v->get(0), $v->get(1);
168 sub mkvec ($$) { Math::GSL::Vector->new(\@_) }
170 sub transform_coordinates () {
171 # Adjusts coordinates in graph to be [0,0] .. top right (scaled)
172 # until it's all in PostScript points
173 my @or = map { $region{$_}{Centre} } @{ $c{OrientRegions} };
174 my $dir = $or[1] - $or[0];
175 my $theta = atan2 $dir->get(1), $dir->get(0);
176 my $rotateby = (90. - $c{OrientBearing}) * ((TAU)/360.) - $theta;
177 my $s = sin($rotateby);
178 my $c = cos($rotateby);
179 my $transform = Math::GSL::Matrix->new(2,2);
180 $transform->set_row(0, [ $c, -$s ]);
181 $transform->set_row(1, [ $s, $c ]);
182 print STDERR "rotate was=",prvec($dir)," theta=$theta",
183 " rotateby=$rotateby s=$s c=$c\n";
185 foreach my $topend (qw(0 1)) {
186 my $v = $topend ? -$GSL_DBL_MAX : $GSL_DBL_MAX;
187 $lims[$topend] = mkvec($v,$v);
190 my ($pr, $rr, $why) = @_;
191 my $y = Math::GSL::Vector->new(2);
192 gsl_blas_dgemv($CblasNoTrans,
193 1.0, $transform->raw,
197 #print STDERR "gsl_blas_dgemv ",prvec($$pr)," => ",prvec($y),"\n";
198 gsl_blas_dcopy($y->raw, $$pr->raw)
200 foreach my $topend (qw(0 1)) {
201 foreach my $xy (qw(0 1)) {
202 my $now = $y->get($xy);
203 my $lim = $lims[$topend]->get($xy);
204 #print STDERR "?set $topend $xy $now $lim\n";
205 next if $topend ? ($now <= $lim) : ($now >= $lim);
206 $lims[$topend]->set([$xy], [$now]);
207 #print STDERR "set $topend $xy $now\n";
211 print STDERR "lims ",prvec($lims[0])," .. ",prvec($lims[1]),"\n";
212 my $translate = -$lims[0];
213 print STDERR "translate ",prvec($translate),"\n";
214 my $scale = $c{GraphScale} * MM2PT;
217 gsl_vector_add($$pr->raw, $translate->raw) and confess;
218 gsl_vector_scale($$pr->raw, $scale) and confess;
220 $mid = ($lims[1] - $lims[0]) * 0.5;
224 my $poly = $region{NZ}{Polygon};
226 foreach my $v (@$poly) {
227 $occurs{$v->{VxName}}++
229 foreach my $v (@$poly) {
230 $v->{NZ_Occurs} = $occurs{$v->{VxName}};
232 print STDERR " nz ".(scalar @$poly)."\n";
235 $poly->[($ei+@$poly) % @$poly]{NZ_Occurs} > 1
237 for my $ei (0..$#$poly) {
238 next if $occurs_m->($ei);
239 next unless $occurs_m->($ei-1);
240 next unless $occurs_m->($ei+1);
241 print STDERR " nz would adjust $poly->[$ei]{VxName}\n";
242 # adjust coord outwards
244 for my $ei (0..$#$poly) {
245 next unless $occurs_m->($ei);
246 print STDERR " nz occurs_m $ei $poly->[$ei]{VxName}\n";
247 next unless $occurs_m->($ei-1);
248 my $dleft = mkvec(-1000,0);
249 foreach my $which (0,-1) {
250 my $ej = ($ei + $which + @$poly) % @$poly;
251 my $ek = ($ei + +1 + 3*$which + @$poly) % @$poly;
252 my $posj = \ $poly->[$ej]{Pos};
253 my $posk = \ $poly->[$ek]{Pos};
254 my $dout = $$posk - $$posj;
255 print STDERR " nz adj j=$ej ",prvec($$posj)," $poly->[$ej]{VxName}\n";
256 print STDERR " nz adj k=$ek ",prvec($$posk)," $poly->[$ek]{VxName}\n";
257 if ($poly->[$ej]{VxName} =~ /Noorderzijlvest/) {
258 print STDERR " nz adj extra\n";
259 $$posk = $$posj + 10 * mkvec(100,-50);
261 $$posj = $$posj + $dleft + $dout*10;
262 $$posk = $$posk + $dout*10;
269 sprintf "%20.6f %20.6f", $pos->get(0),$pos->get(1)
274 o("% $rr->{Name}\n");
277 foreach my $vertex (@{ $rr->{Polygon} }) {
278 my $pos = $vertex->{Pos};
279 o(sprintf " %s %s\n", psvec($pos), $xto);
286 my ($spec, $adj1) = @_;
287 confess unless defined $spec;
288 my @rgb = map { hex($_) / 15.0 } split //, $spec;
292 (map { sprintf "%.6f ", $_ } @rgb
300 o(" 0.52 dup scale\n") if $xopts =~ m/S/;
301 # xxx bodge, want boundingbox or something
304 sub facepscolour ($) {
305 my ($colourname) = @_;
306 $xopts =~ m/W/ ? '1 setgray'
307 : pscolour($c{Colours}{$colourname},
308 sub { $_ = 1.0 - 0.75 * (1.0 - $_) foreach @_ });
312 o("clippath ", facepscolour('land'), " fill\n");
313 foreach my $rr (values %region) {
314 next if $rr->{Name} =~ m/^L2?$/;
316 o(" ", facepscolour($rr->{Colour}), " eofill\n");
320 sub some_edge_faces (@) {
321 o("5 setlinewidth 1 setlinejoin 0 setgray\n");
322 foreach my $rr (@_) {
323 next if $rr->{Name} =~ m/^L2?$/;
330 my ($adj) = grep { $_->{Name} eq 'NZ' } @{ $region{'ZZ'}{Adj} };
332 my (@pos) = map { $_->{Pos} } @{ $adj->{Ends} };
333 my $mid = 0.5 * ($pos[0] + $pos[1]);
334 my $r = 0.5 * ($pos[1] - $pos[0])->norm();
335 o(sprintf <<'END', facepscolour('sea'), psvec($mid), $r);
337 %s %s %s 0 360 arc closepath fill
339 some_edge_faces(()); # just sets the colour
340 o(sprintf <<END, map { psvec($_) } @pos);
341 newpath %s moveto %s lineto
342 [ $dash $dash ] $dash 0.5 mul setdash
349 some_edge_faces($region{'NZ'});
351 some_edge_faces(grep {
352 $_->{Name} !~ m{^(?:L2?|NZ|ZZ)$}
358 my $hs_sz = 17 * MM2PT;
360 my $shadow = $sz * 0.1;
361 o(" /Helvetica-Bold findfont $sz scalefont setfont\n");
362 my %hs = map { $_ => 1 } @{ $c{HS} };
363 foreach my $rr (values %region) {
364 next if $rr->{Special};
365 my $words = $rr->{DisplayName};
366 my $pos = $rr->{Centre} + mkvec( 0, 0.5 * $sz * @$words );
367 if ($hs{$rr->{Name}}) {
368 print STDERR "adjust hs $rr->{Name}\n";
369 # xxx HS placements in regions >=5 sides, further
370 # xxx or maybe something involving total edge length
371 $pos -= mkvec(0, -$hs_sz/2);
372 my $hspos = $pos - mkvec(0, $sz * @$words + $hs_sz/2 + $hs_lw);
375 newpath %s %s %f 0 360 arc closepath gsave fill grestore
376 0 setgray $hs_lw setlinewidth stroke
378 , pscolour($c{Colours}{$rr->{Colour}},
379 sub { $_ = 0.75 * $_ foreach @_ }),
380 psvec($hspos), $hs_sz/2);
384 foreach my $word (@$words) {
385 $pos += mkvec(0,-$sz);
386 o(" ", psvec($pos), " moveto");
389 ($word) dup stringwidth pop % word xw
390 -0.5 mul 0 rmoveto % word
402 1 setgray 0 0 words pop pop
411 #----- main program -----
413 $xopts = shift @ARGV if $ARGV[0] =~ s/^-X//;
415 ($facesf, @ARGV) = @ARGV or die;
420 transform_coordinates();
430 # xxx HS initial locations
431 # xxx HS instructions
432 # xxx overall instructions
436 print STDERR Dumper(\%region) if $ENV{'GENERATE_BOARD_DUP'};
439 # cperl-indent-level: 2