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(.); }
18 require 'misc-data.pl';
23 our %vxname2pos; # $vxname2pos{VXNAME} = Math::GSL::Vector
25 sub TAU { M_PI * 2.0; }
26 sub MM2PT { 72.0 / 25.4; }
30 # ----- region names from plag, incl. reverse mapping -----
34 sub prep_region_rmap () {
35 foreach my $rn (keys %region) {
36 my $prs = plag_prs($rn);
37 die if $prs2region{$prs};
38 $prs2region{$prs} = $rn;
41 # bodgery for the sea and land
42 $prs2region{'NZ | L'} = 'NZ';
43 $prs2region{'L | NZ'} = 'NZ';
46 our $sre = qr{(?:(\")|(?=\w))(.*)\1$}; # 2 captures, $2 is the name
48 sub prs2r ($) { $prs2region{$_[0]} // confess "@_ ?" }
49 sub prs2rr ($) { $region{prs2r($_[0])} }
51 #----- file reader for plag output -----
55 # $region{NAME}{Adj}[]{Ends}[]{VxName}
56 # $region{NAME}{Adj}[]{Ends}[]{Pos}
57 # $region{NAME}{Polygon}{Pos}
58 # $region{NAME}{Special}
61 # $region{NAME}{Adj}[]{Ends}[]{Adjoins}
62 # $region{NAME}{Polygon}{Adjoins}
63 # which should be ignored
65 open P, "<", $facesf or die $!;
66 while (<P>) { last if m/^\&faces$/; }
69 my $process_rr = sub {
71 if ($rr->{Name} eq 'NZ') {
72 # We combined L and NZ; now we must split them again
73 # in fact, we just throw away L entirely.
74 # Here, when processing NZ, we keep only vertices that
77 my $evxname = $_->{VxName};
78 my @eregions = split / \| ?/, $evxname;
79 grep { $_ eq 'NZ' } @eregions
82 $rr->{Polygon} = [ @edges ];
83 if ($rr->{Name} ne 'NZ') {
84 for my $ei (0..$#edges) {
85 my $ej = $ei % @edges;
86 if (!defined $last_ai) {
88 for my $ai (0..$#{ $rr->{Adj} }) {
89 next unless $rr->{Adj}[$ai]{Name} eq $edges[$ei]{Adjoins};
92 confess $edges[$ei]{Adjoins}.' ?' unless defined $last_ai;
94 my $ai = ($last_ai-1+@edges) % @edges;
96 my $adj = $rr->{Adj}[$ai];
97 confess Dumper($rr, \@edges, $ei, $ej, $adj, $last_ai, $ai)." ?"
98 unless $adj->{Name} eq $edges[$ei]{Adjoins};
100 for my $endi (0..1) {
101 $adj->{Ends}[$endi] = $edges[ ($ei + $endi) % @edges ];
110 $!=0; $_=<P> // confess $!;
114 $process_rr->() if $rr;
115 $rr= prs2rr($new_face);
116 } elsif (m/^\s+$sre$/) {
119 push @edges, { VxName => $vxname };
120 } elsif (m/^\s+\^adjoins\s+$sre$/) {
121 $edges[-1]{Adjoins} = prs2r($2);
122 } elsif (m/^\s+\^\@([-e.0-9]+)\,([-e.0-9]+)$/) {
123 my $pos = Math::GSL::Vector->new([$1,$2]);
124 confess unless defined $vxname;
125 $edges[-1]{Pos} = $pos;
126 $vxname2pos{$vxname} = $pos;
131 $region{$_}{Special} = 1 foreach qw(NZ L);
134 #----- geometry mangling -----
136 sub calculate_centres () {
138 # $region{NAME}{Centre}
139 foreach my $rr (values %region) {
140 next if $rr->{Special};
141 my $poly = $rr->{Polygon};
142 my $sum = Math::GSL::Vector->new(2);
143 $sum += $_->{Pos} foreach @$poly;
144 $rr->{Centre} = $sum * (1.0 / @$poly);
148 sub for_each_pos ($) {
151 my ($pr,$rr,$why) = @_;
152 return unless defined $$pr;
155 foreach my $rr (values %region) {
156 $call->( \ $rr->{Centre}, $rr, $rr->{Name}." C" );
157 foreach my $vertex (@{ $rr->{Polygon} }) {
158 $call->( \ $vertex->{Pos}, $rr, $rr->{Name}." | ".$vertex->{Adjoins} );
166 sprintf "%g,%g", $v->get(0), $v->get(1);
169 sub transform_coordinates () {
170 # Adjusts coordinates in graph to be [0,0] .. top right (scaled)
171 # until it's all in PostScript points
172 my @or = map { $region{$_}{Centre} } @{ $c{OrientRegions} };
173 my $dir = $or[1] - $or[0];
174 my $theta = atan2 $dir->get(1), $dir->get(0);
175 my $rotateby = (90. - $c{OrientBearing}) * ((TAU)/360.) - $theta;
176 my $s = sin($rotateby);
177 my $c = cos($rotateby);
178 my $transform = Math::GSL::Matrix->new(2,2);
179 $transform->set_row(0, [ $c, -$s ]);
180 $transform->set_row(1, [ $s, $c ]);
181 print STDERR "rotate was=",prvec($dir)," theta=$theta",
182 " rotateby=$rotateby s=$s c=$c\n";
184 foreach my $topend (qw(0 1)) {
185 my $v = $topend ? -$GSL_DBL_MAX : $GSL_DBL_MAX;
186 $lims[$topend] = Math::GSL::Vector->new([$v,$v]);
189 my ($pr, $rr, $why) = @_;
190 my $y = Math::GSL::Vector->new(2);
191 gsl_blas_dgemv($CblasNoTrans,
192 1.0, $transform->raw,
196 #print STDERR "gsl_blas_dgemv ",prvec($$pr)," => ",prvec($y),"\n";
197 gsl_blas_dcopy($y->raw, $$pr->raw)
199 foreach my $topend (qw(0 1)) {
200 foreach my $xy (qw(0 1)) {
201 my $now = $y->get($xy);
202 my $lim = $lims[$topend]->get($xy);
203 #print STDERR "?set $topend $xy $now $lim\n";
204 next if $topend ? ($now <= $lim) : ($now >= $lim);
205 $lims[$topend]->set([$xy], [$now]);
206 #print STDERR "set $topend $xy $now\n";
210 print STDERR "lims ",prvec($lims[0])," .. ",prvec($lims[1]),"\n";
211 my $translate = -$lims[0];
212 print STDERR "translate ",prvec($translate),"\n";
213 my $scale = $c{GraphScale} * MM2PT;
216 gsl_vector_add($$pr->raw, $translate->raw) and confess;
217 gsl_vector_scale($$pr->raw, $scale) and confess;
219 $mid = ($lims[1] - $lims[0]) * 0.5;
223 my $poly = $region{NZ}{Polygon};
225 foreach my $v (@$poly) {
226 $occurs{$v->{VxName}}++
228 foreach my $v (@$poly) {
229 $v->{NZ_Occurs} = $occurs{$v->{VxName}};
231 print STDERR " nz ".(scalar @$poly)."\n";
234 $poly->[($ei+@$poly) % @$poly]{NZ_Occurs} > 1
236 for my $ei (0..$#$poly) {
237 next if $occurs_m->($ei);
238 next unless $occurs_m->($ei-1);
239 next unless $occurs_m->($ei+1);
240 print STDERR " nz would adjust $poly->[$ei]{VxName}\n";
241 # adjust coord outwards
243 for my $ei (0..$#$poly) {
244 next unless $occurs_m->($ei);
245 print STDERR " nz occurs_m $ei $poly->[$ei]{VxName}\n";
246 next unless $occurs_m->($ei-1);
247 my $dleft = Math::GSL::Vector->new([-1000,0]);
248 foreach my $which (0,-1) {
249 my $ej = ($ei + $which + @$poly) % @$poly;
250 my $ek = ($ei + +1 + 3*$which + @$poly) % @$poly;
251 my $posj = \ $poly->[$ej]{Pos};
252 my $posk = \ $poly->[$ek]{Pos};
253 my $dout = $$posk - $$posj;
254 print STDERR " nz adj j=$ej ",prvec($$posj)," $poly->[$ej]{VxName}\n";
255 print STDERR " nz adj k=$ek ",prvec($$posk)," $poly->[$ek]{VxName}\n";
256 $$posj = $$posj + $dleft + $dout*10;
257 $$posk = $$posk + $dout*10;
264 sprintf "%20.6f %20.6f", $pos->get(0),$pos->get(1)
269 o("% $rr->{Name}\n");
272 foreach my $vertex (@{ $rr->{Polygon} }) {
273 my $pos = $vertex->{Pos};
274 o(sprintf " %s %s\n", psvec($pos), $xto);
282 confess unless defined $spec;
284 (map { sprintf "%.6f ", hex($_) / 15.0 }
290 foreach my $rr (values %region) {
291 next if $rr->{Name} eq 'L';
293 o(" ", pscolour($c{Colours}{$rr->{Colour}}), " eofill\n");
298 o("5 setlinewidth 1 setlinejoin 0 setgray\n");
299 foreach my $rr (values %region) {
300 next if $rr->{Name} eq 'L';
306 #----- main program -----
308 ($facesf, @ARGV) = @ARGV or die;
313 transform_coordinates();
317 o(" 0.52 dup scale\n"); # xxx bodge
322 print STDERR Dumper(\%region) if $ENV{'GENERATE_BOARD_DUP'};
325 # cperl-indent-level: 2