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dpavlin |
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#!/usr/bin/perl |
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# Convert GPS NMEA dump into Google's kml file |
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use strict; |
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use warnings; |
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use lib '../'; |
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use NMEA; |
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my $path = shift @ARGV || die "usage: $0 nmea_dump.gps\n"; |
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dpavlin |
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my $individual_placemarks = 0; |
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dpavlin |
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open(my $fh, '<', $path) || die "can't open $path: $!"; |
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dpavlin |
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my $out_path = $path; |
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$out_path =~ s!^.*?([^/]+)\.[^/]+$!$1!; #! |
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$out_path .= '.kml'; |
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open(my $out, '>', $out_path) || die "can't open $out_path: $!"; |
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print $out qq{<?xml version="1.0" encoding="UTF-8"?> |
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dpavlin |
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<kml xmlns="http://earth.google.com/kml/2.2"> |
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<Document> |
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<name>$path</name> |
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<Folder> |
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<name>NMEA trace</name> |
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}; |
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dpavlin |
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print $out qq{ |
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<Placemark id='linestring1'> |
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<name>$path</name> |
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<LineString> |
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<extrude>1</extrude> |
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<altitudeMode>relativeToGround</altitudeMode> |
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<coordinates> |
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} unless $individual_placemarks; |
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dpavlin |
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my $point = 0; |
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while(<$fh>) { |
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my $hash = NMEA->line( $_ ) || next; |
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$point++; |
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dpavlin |
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if ( $individual_placemarks ) { |
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print $out qq{ |
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<Placemark> |
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<name>$point</name> |
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<description> |
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}, join(' ', map { ucfirst($_) . ':' . $hash->{$_} } ( qw/time lat lon speed course date var var_ew/ ) ), qq{ |
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</description> |
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<Point> |
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<coordinates>}, $hash->{lon}, ',', $hash->{lat}, qq{,0</coordinates> |
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</Point> |
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</Placemark> |
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}; |
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} else { |
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print $out $hash->{lon}, ',', $hash->{lat}, 0, "\n"; |
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} |
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dpavlin |
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} |
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dpavlin |
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print $out qq{ |
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</coordinates> |
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</LineString> |
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</Placemark> |
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} unless $individual_placemarks; |
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print $out qq{ |
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dpavlin |
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</Folder> |
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</Document> |
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</kml> |
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}; |
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dpavlin |
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dpavlin |
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warn "Produced $point points from $path -> $out_path\n"; |