Class: AIXM::Component::Geometry::Arc

Inherits:
Point
  • Object
show all
Defined in:
lib/aixm/component/geometry/arc.rb

Overview

Arcs are clockwise or counter clockwise circle segments around a #center_xy and starting at Point#xy.

Cheat Sheet in Pseudo Code:

arc = AIXM.arc(
  xy: AIXM.xy
  center_xy: AIXM.xy
  clockwise: true or false
)

See Also:

Instance Attribute Summary collapse

Attributes inherited from Point

#xy

Instance Method Summary collapse

Constructor Details

#initialize(xy:, center_xy:, clockwise:) ⇒ Arc

Returns a new instance of Arc.



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# File 'lib/aixm/component/geometry/arc.rb', line 22

def initialize(xy:, center_xy:, clockwise:)
  super(xy: xy)
  self.center_xy, self.clockwise = center_xy, clockwise
end

Instance Attribute Details

#center_xy ⇒ AIXM::XY

Returns center point.

Returns:



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# File 'lib/aixm/component/geometry/arc.rb', line 20

def center_xy
  @center_xy
end

#clockwise=(value) ⇒ Boolean (writeonly)

Returns wheter the arc is going clockwise (true) or not (false).

Returns:

  • (Boolean) —

    wheter the arc is going clockwise (true) or not (false)



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# File 'lib/aixm/component/geometry/arc.rb', line 39

def clockwise?
  @clockwise
end

Instance Method Details

#clockwise? ⇒ Boolean

Returns wheter the arc is going clockwise (true) or not (false).

Returns:

  • (Boolean) —

    wheter the arc is going clockwise (true) or not (false)



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# File 'lib/aixm/component/geometry/arc.rb', line 39

def clockwise?
  @clockwise
end

#inspect ⇒ String

Returns:

  • (String) 


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# File 'lib/aixm/component/geometry/arc.rb', line 28

def inspect
  %Q(#<#{self.class} xy="#{xy}" center_xy="#{center_xy}" clockwise=#{clockwise}>)
end

#to_xml ⇒ String

Returns AIXM or OFMX markup.

Returns:

  • (String) —

    AIXM or OFMX markup



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# File 'lib/aixm/component/geometry/arc.rb', line 49

def to_xml
  builder = Builder::XmlMarkup.new(indent: 2)
  builder.Avx do |avx|
    avx.codeType(clockwise? ? 'CWA' : 'CCA')
    avx.geoLat(xy.lat(AIXM.schema))
    avx.geoLong(xy.long(AIXM.schema))
    avx.codeDatum('WGE')
    avx.geoLatArc(center_xy.lat(AIXM.schema))
    avx.geoLongArc(center_xy.long(AIXM.schema))
  end
end