Class: GpxUtils::WaypointsExporter

Inherits:
Object
  • Object
show all
Defined in:
lib/gpx_utils/waypoints_exporter.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ WaypointsExporter

Returns a new instance of WaypointsExporter.



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# File 'lib/gpx_utils/waypoints_exporter.rb', line 10

def initialize
  @pois = Array.new
  @etrex_model = "eTrex 30"
  @check_min_threshold = 0.01
end

Instance Attribute Details

#check_min_threshold ⇒ Object

Returns the value of attribute check_min_threshold.



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# File 'lib/gpx_utils/waypoints_exporter.rb', line 16

def check_min_threshold
  @check_min_threshold
end

#etrex_model ⇒ Object

Returns the value of attribute etrex_model.



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# File 'lib/gpx_utils/waypoints_exporter.rb', line 17

def etrex_model
  @etrex_model
end

#pois ⇒ Object (readonly)

Returns the value of attribute pois.



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# File 'lib/gpx_utils/waypoints_exporter.rb', line 101

def pois
  @pois
end

Class Method Details

.symbols ⇒ Object 



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# File 'lib/gpx_utils/waypoints_exporter.rb', line 103

def self.symbols
  # http://freegeographytools.com/2008/garmin-gps-unit-waypoint-icons-table
  [
    "Flag, Blue",
    "Flag, Green",
    "Flag, Red",

    "Pin, Blue",
    "Pin, Green",
    "Pin, Red",

    "Block, Blue",
    "Block, Green",
    "Block, Red",

    "Summit",
    "Trail Head", # other trail parts, not summits
    "Lodging", # rooms

    "Ground Transportation" # all public ground transportation
  # ...

  ]
end

Instance Method Details

#add(lat, lon, name, cmt = nil, time = nil, ele = nil, sym = nil) ⇒ Object 



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# File 'lib/gpx_utils/waypoints_exporter.rb', line 23

def add(lat, lon, name, cmt = nil, time = nil, ele = nil, sym = nil)
  @pois << {
    :lat => lat,
    :lon => lon,
    :name => name,
    :cmt => cmt,
    :time => time,
    :ele => ele,
    :sym => sym
  }
end

#add_yaml_file(y) ⇒ Object 



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# File 'lib/gpx_utils/waypoints_exporter.rb', line 19

def add_yaml_file(y)
  @pois += YAML::load_file(y)
end

#check ⇒ Object 



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# File 'lib/gpx_utils/waypoints_exporter.rb', line 35

def check
  puts "Distance conflicts:"

  sorted = @pois.sort { |p, q| p[:lat] <=> q[:lat] }
  (1...sorted.size).each do |i|
    l = (sorted[i-1][:lat] - sorted[i][:lat]) ** 2 +
      (sorted[i-1][:lon] - sorted[i][:lon]) ** 2
    l = Math.sqrt(l)

    if l < @check_min_threshold
      puts "* #{sorted[i-1][:name]} - #{sorted[i][:name]} = #{l}"
    end
  end
end

#process_time(time) ⇒ Object 



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# File 'lib/gpx_utils/waypoints_exporter.rb', line 128

def process_time(time)
  time.utc.strftime('%Y-%m-%dT%H:%M:%SZ')
end

#to_xml ⇒ Object 



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# File 'lib/gpx_utils/waypoints_exporter.rb', line 50

def to_xml
  #xml = Builder::XmlMarkup.new(:indent => 2)
  string = ""
  xml = Builder::XmlMarkup.new(:target => string, :indent => 0)
  xml.instruct! :xml, :encoding => "UTF-8", :standalone => 'no'
  xml.gpx(
    'xmlns' => "http://www.topografix.com/GPX/1/1",
    'xmlns:gpxx' => "http://www.garmin.com/xmlschemas/GpxExtensions/v3",
    'xmlns:wptx1' => "http://www.garmin.com/xmlschemas/WaypointExtension/v1",
    'xmlns:gpxtpx' => "http://www.garmin.com/xmlschemas/TrackPointExtension/v1",
    'creator' => @etrex_model,
    'version' => "1.1",
    'xmlns:xsi' => "http://www.w3.org/2001/XMLSchema-instance",
    'xsi:schemaLocation' => "http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd http://www.garmin.com/xmlschemas/GpxExtensions/v3 http://www8.garmin.com/xmlschemas/GpxExtensionsv3.xsd http://www.garmin.com/xmlschemas/WaypointExtension/v1 http://www8.garmin.com/xmlschemas/WaypointExtensionv1.xsd http://www.garmin.com/xmlschemas/TrackPointExtension/v1 http://www.garmin.com/xmlschemas/TrackPointExtensionv1.xsd"


  ) do |g|
    g.metadata do |meta|
      meta.link('href' => "http://www.garmin.com") do |link|
        link.text 'Garmin International'
      end
      meta.time process_time(Time.now) # 2012-03-24T15:41:34Z
    end

    # coords
    # <wpt lat="52.484444" lon="16.893056"><ele>113.286499</ele><time>2012-03-18T16:42:47Z</time><name>GORA MORASKO</name><cmt>DUZY</cmt><sym>Flag, Blue</sym></wpt>
    @pois.each do |poi|
      g.wpt('lat' => poi[:lat], 'lon' => poi[:lon]) do |wp|
        wp.ele poi[:elevation] unless poi[:elevation].nil?
        wp.ele poi[:ele] unless poi[:ele].nil?

        unless poi[:time].nil?
          wp.time process_time(poi[:time])
        else
          wp.time process_time(Time.now)
        end
        wp.name poi[:name]

        wp.cmt poi[:comment] unless poi[:comment].nil?
        wp.cmt poi[:cmt] unless poi[:cmt].nil?

        wp.sym poi[:sym] || "Flag, Blue" # default garmin symbol
      end
    end
  end

  #return string
  return string.gsub(/\n/, '').gsub(/\r/, '')

end