Class: Rozi::WaypointWriter

Inherits:
Object
  • Object
show all
Includes:
OziFunctions
Defined in:
lib/rozi/waypoint_writer.rb

Overview

This class writes a list of waypoints to a “.wpt” file that can be opened by Ozi Explorer.

Instance Method Summary collapse

Methods included from OziFunctions

#datum_valid?, #escape_text, #interpret_color

Instance Method Details

#waypoint_to_text(waypoint) ⇒ Object 



28
29
30
31
32
33
34
35
 
# File 'lib/rozi/waypoint_writer.rb', line 28

def waypoint_to_text(waypoint)
  wpt = waypoint.to_a()
  wpt.map! { |item| item.is_a?(String) ? escape_text(item) : item }
  wpt.map! { |item| item.nil? ? "" : item }
  wpt.map! { |item| item.is_a?(Float) ? item.round(6) : item }

  "%d,%s,%f,%f,%s,%d,1,%d,%d,%d,%s,%d,,,%d,%d,%d,%d" % wpt
end

#write(waypoints, file) ⇒ Object 



14
15
16
17
18
19
20
21
22
23
24
25
26
 
# File 'lib/rozi/waypoint_writer.rb', line 14

def write(waypoints, file)
  file.write <<-TEXT.gsub(/^[ ]{8}/, "")
    OziExplorer Waypoint File Version 1.1
    WGS 84
    Reserved 2

  TEXT

  waypoints.each { |wpt|
    file.write(waypoint_to_text(wpt))
    file.write("\n")
  }
end