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 = 
%q{ 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, #lat, #lon, #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 REXML::Element.



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# File 'lib/gpx/waypoint.rb', line 43

def initialize(opts = {})
   wpt_elem = opts[:element]
   super(:element => wpt_elem)
   instantiate_with_text_elements(wpt_elem, SUB_ELEMENTS)
   @gpx_file = opts[:gpx_file]
end

Instance Attribute Details

#gpx_file ⇒ Object (readonly)

Returns the value of attribute gpx_file.



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

def gpx_file
  @gpx_file
end

Instance Method Details

#crop(area) ⇒ Object

Not implemented



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

def crop(area)
end

#delete_area(area) ⇒ Object

Not implemented



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

def delete_area(area)
end

#to_xml ⇒ Object

Converts a waypoint to a REXML::Element.



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# File 'lib/gpx/waypoint.rb', line 51

def to_xml
   wpt = Element.new('wpt')
   wpt.attributes['lat'] = lat
   wpt.attributes['lon'] = lon
   if self.respond_to? :name
      name_elem = Element.new('name')
      name_elem.text = self.name 
      wpt.elements << name_elem
   end
   if self.respond_to? :sym
      sym_elem = Element.new('sym')
      sym_elem.text = self.sym
      wpt.elements << sym_elem
   end
   if self.respond_to? :ele
      elev_elem = Element.new('ele')
      elev_elem.text = self.ele
      wpt.elements << elev_elem
   end
   wpt
end