Class: GPX::Waypoint

Inherits:
Point show all
Defined in:
lib/gpx/waypoint.rb

Overview

This class supports the concept of a waypoint. Beware that this class has not seen much use yet, since WalkingBoss does not use waypoints right now.

Constant Summary collapse

SUB_ELEMENTS = 
%w{ele magvar geoidheight name cmt desc src link sym type fix sat hdop vdop pdop ageofdgpsdata dgpsid extensions}

Constants inherited from Point

Point::D_TO_R

Instance Attribute Summary collapse

Attributes inherited from Point

#elevation, #extensions, #lat, #lon, #speed, #time

Instance Method Summary collapse

Methods inherited from Point

#lat_lon, #latr, #lon_lat, #lonr

Methods inherited from Base

#instantiate_with_text_elements

Constructor Details

#initialize(opts = {}) ⇒ Waypoint

Initializes a waypoint from a XML::Node.



42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/gpx/waypoint.rb', line 42

def initialize(opts = {})
  if(opts[:element] and opts[:gpx_file])
    wpt_elem = opts[:element]
    @gpx_file = opts[:gpx_file]
    super(:element => wpt_elem, :gpx_file => @gpx_file)
    instantiate_with_text_elements(wpt_elem, SUB_ELEMENTS)
  else
    opts.each do |key, value|
      assignment_method = "#{key}="
      if self.respond_to?(assignment_method)
        self.send(assignment_method, value)
      end
    end
  end
end

Instance Attribute Details

#gpx_file ⇒ Object (readonly)

Returns the value of attribute gpx_file.



30
31
32
 
# File 'lib/gpx/waypoint.rb', line 30

def gpx_file
  @gpx_file
end

Instance Method Details

#crop(area) ⇒ Object

Not implemented



34
35
 
# File 'lib/gpx/waypoint.rb', line 34

def crop(area)
end

#delete_area(area) ⇒ Object

Not implemented



38
39
 
# File 'lib/gpx/waypoint.rb', line 38

def delete_area(area)
end

#to_s ⇒ Object

Prints out a friendly summary of this track (sans points). Useful for debugging and sanity checks.



60
61
62
63
64
65
66
67
68
69
70
71
72
 
# File 'lib/gpx/waypoint.rb', line 60

def to_s
  result = "Waypoint \n"
  result << "\tName: #{name}\n"
  result << "\tLatitude: #{lat} \n"
  result << "\tLongitude: #{lon} \n"
  result << "\tElevation: #{elevation}\n "
  result << "\tTime: #{time}\n"
  SUB_ELEMENTS.each do |sub_element_attribute|
    val = self.send(sub_element_attribute)
    result << "\t#{sub_element_attribute}: #{val}\n" unless val.nil?
  end
  result
end