Class: CONVERTER::Converter

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

Overview

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Class Method Summary collapse

Class Method Details

.gpx_points(xml, kml) ⇒ Object 



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# File 'lib/converter.rb', line 142

def self.gpx_points(xml, kml)
  if kml.points?
    kml.points.each do |p|
      next if p.nil?

      xml.wpt('lat': p.latitude.to_s, 'lon': p.longitude.to_s) do
        xml.ele(p.elevation.to_s) unless p.elevation.nil? || p.elevation.empty?
        xml.name(p.name) unless p.name.nil? || p.name.empty?
        xml.desc("author = #{p.author}") unless p.author.nil? || p.author.empty?
        xml.link('href': p.link) unless p.link.nil? || p.link.empty?
      end
    end
  end
end

.gpx_routes(xml, kml) ⇒ Object 



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# File 'lib/converter.rb', line 157

def self.gpx_routes(xml, kml)
  if kml.routes?
    kml.routes.each do |r|
      next if r.nil?

      xml.rte do
        xml.name(r.name) unless r.name.nil? || r.name.empty?
        xml.desc("author= #{r.author}") unless r.author.nil? || r.author.empty?
        xml.link('href': r.link) unless r.link.nil? || r.link.empty?
        r.points.each do |p|
          next if p.nil?

          xml.rtept('lat': p.latitude.to_s, 'lon': p.longitude.to_s) do
            xml.ele(p.elevation.to_s) unless p.elevation.nil? || p.elevation.empty?
            xml.desc("author = #{p.author}") unless p.author.nil? || p.author.empty?
            xml.link('href': p.link) unless p.link.nil? || p.link.empty?
          end
        end
      end
    end
  end
end

.gpx_to_kml(gpx, output_path) ⇒ Object 



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# File 'lib/converter.rb', line 6

def self.gpx_to_kml(gpx, output_path)
  return unless File.directory?(output_path) && gpx.is_a?(GPX::Gpx)
  return nil unless gpx.gpx?

  output_path = output_path[0..-2] if output_path[-1].eql?('/')
  kml = Nokogiri::XML::Builder.new do |xml|
    xml.kml('xmlns': 'http://www.opengis.net/kml/2.2', 'xmlns:gx': 'http://www.google.com/kml/ext/2.2',
            'xmlns:atom': 'http://www.w3.org/Atom') do
      xml.Document do
        if gpx.name.nil? || gpx.name.empty?
          xml.name(gpx.file_name[0..-5])
        else
          xml.name(gpx.name)
        end
        xml.visibility('1')
        xml.open('0')
        unless gpx.author.nil? || gpx.author.empty?
          xml['atom'].author do
            xml['atom'].name(gpx.author)
          end
        end
        xml['atom'].link(href: gpx.link) unless gpx.link.nil? || gpx.link.empty?
        kml_points(xml, gpx)
        kml_routes(xml, gpx)
        kml_tracks(xml, gpx)
      end
    end
  end
  name = if gpx.file_name.end_with?('.gpx') || gpx.file_name.end_with?('.xml')
           "#{output_path}/#{Time.now.strftime('%Y%m%d%H%M%S')}_#{gpx.file_name[0..-5]}.kml"
         else
           "#{output_path}/#{Time.now.strftime('%Y%m%d%H%M%S')}_#{gpx.file_name}.kml"
         end
  f = File.open(name.to_s, 'w')
  f.write(kml.to_xml)
  f.close
  name
end

.gpx_tracks(xml, kml) ⇒ Object 



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# File 'lib/converter.rb', line 180

def self.gpx_tracks(xml, kml)
  if kml.tracks?
    kml.tracks.each do |t|
      next if t.nil?

      xml.trk do
        xml.name(t.name) unless t.name.nil? || t.name.empty?
        xml.desc("author= #{t.author}") unless t.author.nil? || t.author.empty?
        xml.link('href': t.link) unless t.link.nil? || t.link.empty?
        xml.trkseg do
          t.points.each do |p|
            next if p.nil?

            xml.trkpt('lat': p.latitude.to_s, 'lon': p.longitude.to_s) do
              xml.ele(p.elevation.to_s) unless p.elevation.nil? || p.elevation.empty?
              xml.desc("author = #{p.author}") unless p.author.nil? || p.author.empty?
              xml.link('href': p.link) unless p.link.nil? || p.link.empty?
            end
          end
        end
      end
    end
  end
end

.kml_points(xml, gpx) ⇒ Object 



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# File 'lib/converter.rb', line 126

def self.kml_points(xml, gpx)
  if gpx.points?
    gpx.points.each do |p|
      xml.Point do
        xml.extrude('0')
        xml.altitudeMode('clampToGroud')
        if p.elevation.nil? || p.elevation.empty?
          xml.coordinates("#{p.longitude},#{p.latitude}")
        else
          xml.coordinates("#{p.longitude},#{p.latitude},#{p.elevation}")
        end
      end
    end
  end
end

.kml_routes(xml, gpx) ⇒ Object 



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# File 'lib/converter.rb', line 72

def self.kml_routes(xml, gpx)
  if gpx.routes?
    gpx.routes.each do |r|
      xml.Placemark do
        xml.LinearRing do
          xml.extrude('0')
          xml.tassellate('0')
          xml.altitudeMode('clampToGroud')
          s = ''
          r.points.each do |p|
            s = if p.elevation.nil? || p.elevation.empty?
                  s + "#{p.longitude},#{p.latitude} "
                else
                  s + "#{p.longitude},#{p.latitude},#{p.elevation} "
                end
          end
          xml.coordinates(s[0..-2])
        end
      end
    end
  end
end

.kml_to_gpx(kml, output_path) ⇒ Object 



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# File 'lib/converter.rb', line 45

def self.kml_to_gpx(kml, output_path)
  return nil unless File.directory?(output_path) && kml.is_a?(KML::Kml)
  return nil unless kml.kml?

  output_path = output_path[0..-2] if output_path[-1].eql?('/')
  gpx = Nokogiri::XML::Builder.new do |xml|
    xml.gpx('version': '1.1', 'creator': 'https://www.github.com/engim-eu/gpx_kml',
            'xmlns': 'https://www.topografix.com/GPX/1/1', 'xmlns:xsi': 'http://www.w3.org/2001/XMLSchema-instance') do
      xml.metadata do
        xml.name(kml.file_name[0..-5])
      end
      gpx_points(xml, kml)
      gpx_routes(xml, kml)
      gpx_tracks(xml, kml)
    end
  end
  name = if kml.file_name.end_with?('.kml') || kml.file_name.end_with?('.xml')
           "#{output_path}/#{Time.now.strftime('%Y%m%d%H%M%S')}_#{kml.file_name[0..-5]}.gpx"
         else
           "#{output_path}/#{Time.now.strftime('%Y%m%d%H%M%S')}_#{kml.file_name}.gpx"
         end
  f = File.open(name.to_s, 'w')
  f.write(gpx.to_xml)
  f.close
  name
end

.kml_tracks(xml, gpx) ⇒ Object 



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# File 'lib/converter.rb', line 95

def self.kml_tracks(xml, gpx)
  if gpx.tracks?
    gpx.tracks.each do |t|
      xml.Placemark do
        xml.LineString do
          xml.extrude('0')
          xml.tassellate('0')
          xml.altitudeMode('clampToGroud')
          s = ''
          points = []
          t.segments.each do |sg|
            sg.points.each do |p|
              points = points << p
            end
          end
          points.each do |p|
            next if p.nil?

            s = if p.elevation.nil? || p.elevation.empty?
                  s + "#{p.longitude},#{p.latitude} "
                else
                  s + "#{p.longitude},#{p.latitude},#{p.elevation} "
                end
          end
          xml.coordinates(s[0..-2])
        end
      end
    end
  end
end