#!/usr/local/bin/ruby -Ku
require 'cgi'
require 'erb'
FIELD_FILE = 'gpsfile'
@raw
@gpspoints = []
cgi = CGI::new
begin
if cgi.params.include?(FIELD_FILE) then
@raw = cgi.params[FIELD_FILE][0]
end
if @raw then
temp = ''
@raw.each{|line|
values = line.chop.split(/,/)
if '$GPGGA' == values[0] then
values[2] =~ /(\d{2})(\d{2}\.\d+)/
lat = $1.to_i + $2.to_f / 60
lat = -lat if 'S' == values[3]
values[4] =~ /(\d{3})(\d{2}\.\d+)/
long = $1.to_i + $2.to_f / 60
long = -lat if 'W' == values[5]
@gpspoints << [lat, long]
end
temp += line
}
@raw = temp
end
#<%= CGI::escapeHTML(@raw) if @raw %>
cgi.out(){ERB.new(<<-'ENDHTML').result(binding)}
GPS Plotter
ENDHTML
rescue
cgi.out(){CGI::escapeHTML($!.inspect + $@.inspect)}
end