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##################################################################
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package Geo::OSM::Write;
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##################################################################
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use Exporter;
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@ISA = qw( Exporter );
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use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $VERSION);
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@EXPORT = qw( write_osm_file );
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use strict;
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use warnings;
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use Math::Trig;
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use Data::Dumper;
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use Geo::Geometry;
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use Utils::Debug;
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use Utils::File;
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use Utils::Math;
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# ------------------------------------------------------------------
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sub tags2osm($){
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my $obj = shift;
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my $erg = "";
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for my $k ( keys %{$obj->{tag}} ) {
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my $v = $obj->{tag}{$k};
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if ( ! defined $v ) {
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warn "incomplete Object: ".Dumper($obj);
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}
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#next unless defined $v;
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# character escaping as per http://www.w3.org/TR/REC-xml/
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$v =~ s/&/&/g;
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$v =~ s/\'/'/g;
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$v =~ s/</</g;
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$v =~ s/>/>/g;
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$v =~ s/\"/"/g;
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$erg .= " <tag k=\'$k\' v=\'$v\' />\n";
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}
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return $erg;
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}
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sub write_osm_file($$) { # Write an osm File
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my $filename = shift;
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my $osm = shift;
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my $osm_nodes = $osm->{nodes};
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my $osm_ways = $osm->{ways};
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$osm->{tool} ||= "OSM-Tool";
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my $count_nodes = 0;
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my $count_ways = 0;
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my $generate_ways=$main::generate_ways;
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my $start_time=time();
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printf STDERR ("Writing OSM File $filename\n") if $VERBOSE >1 || $DEBUG>1;
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my $fh;
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if ( $filename eq "-" ) {
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$fh = IO::File->new('>&STDOUT');
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$fh or die("cannot open STDOUT: $!");
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} else {
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$fh = IO::File->new(">$filename");
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}
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$fh->binmode(':utf8');
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print $fh "<?xml version='1.0' encoding='UTF-8'?>\n";
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print $fh "<osm version=\'0.5\' generator=\'".$osm->{tool}."\'>\n";
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if ( defined ( $osm->{bounds} ) ) {
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my $bounds = $osm->{bounds};
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my $bounds_sting = "$bounds->{lat_min},$bounds->{lon_min},$bounds->{lat_max},$bounds->{lon_max}";
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# -90,-180,90,180
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print $fh " <bound box=\"$bounds_sting\" origin=\"OSM-perl-writer\" />\n";
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}
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# --- Nodes
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for my $node_id ( sort keys %{$osm_nodes} ) {
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next unless $node_id;
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my $node = $osm_nodes->{$node_id};
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my $lat = $node->{lat};
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my $lon = $node->{lon};
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unless ( defined($lat) && defined($lon)){
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printf STDERR "Node '$node_id' not complete\n";
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next;
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}
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print $fh " <node id=\'$node_id\' ";
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print $fh " timestamp=\'".$node->{timestamp}."\' "
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if defined $node->{timestamp};
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print $fh " changeset=\'".$node->{changeset}."\' "
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if defined $node->{changeset};
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print $fh " lat=\'$lat\' ";
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print $fh " lon=\'$lon\' ";
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print $fh ">\n";
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print $fh tags2osm($node);
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print $fh " </node>\n";
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$count_nodes++;
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}
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# --- Ways
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for my $way_id ( sort keys %{$osm_ways} ) {
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next unless $way_id;
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my $way = $osm_ways->{$way_id};
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next unless scalar( @{$way->{nd}} )>1;
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print $fh " <way id=\'$way_id\'";
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print $fh " timestamp=\'".$way->{timestamp}."\'"
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if defined $way->{timestamp};
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print $fh ">";
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for my $way_nd ( @{$way->{nd}} ) {
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next unless $way_nd;
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print $fh " <nd ref=\'$way_nd\' />\n";
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}
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print $fh tags2osm($way);
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print $fh " </way>\n";
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$count_ways++;
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}
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print $fh "</osm>\n";
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$fh->close();
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if ( $VERBOSE || $DEBUG ) {
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printf STDERR "%-35s: ",$filename;
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printf STDERR " Wrote OSM File ".
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"($count_nodes Nodes, $count_ways Ways)";
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print_time($start_time);
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}
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}
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1;
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=head1 NAME
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Geo::OSM::Write
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=head1 COPYRIGHT
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Copyright 2006, Jörg Ostertag
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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=head1 AUTHOR
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Jörg Ostertag (planet-count-for-openstreetmap@ostertag.name)
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=head1 SEE ALSO
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http://www.openstreetmap.org/
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=cut
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