Class: VORuby::STC::V1_30::BoxType

Inherits:
ShapeType show all
Defined in:
lib/voruby/stc/1.30/stc.rb

Overview

Box shape: a rectangle defined by its center and size on both dimensions; since it is a polygon, it is redundant, but simple rectangles with great circle sides are awkward to define in spherical coordinates.

Direct Known Subclasses

Box, Box2

Instance Attribute Summary collapse

Attributes inherited from RegionType

#area, #coord_system_id, #note

Attributes inherited from SpatialIntervalType

#epoch, #unit

Attributes inherited from CoordIntervalType

#fill_factor, #frame_id, #hi_include, #lo_include

Attributes included from STCReference

#id, #idref, #ucd, #xlink_href, #xlink_type

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from ShapeType

shape_from_xml

Methods inherited from RegionType

region_from_xml

Methods inherited from SpatialIntervalType

spatial_interval_from_xml

Methods inherited from CoordIntervalType

coord_interval_from_xml, #hi_include?, #lo_include?

Methods inherited from STCBaseType

stc_base_from_xml

Methods included from STCReference

#stc_reference_eq, stc_reference_from_xml, #stc_reference_to_xml

Methods included from SerializableToXml

#element

Constructor Details

#initialize(center, size, area = nil, lo_include = true, hi_include = true, options = {}) ⇒ BoxType

Returns a new instance of BoxType.



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# File 'lib/voruby/stc/1.30/stc.rb', line 5592

def initialize(center, size, area=nil, lo_include=true, hi_include=true, options={})
  super(area, lo_include, hi_include, options)
  self.center = center
  self.size = size
end

Instance Attribute Details

#center ⇒ Object

Returns the value of attribute center.



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# File 'lib/voruby/stc/1.30/stc.rb', line 5590

def center
  @center
end

#size ⇒ Object

Returns the value of attribute size.



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# File 'lib/voruby/stc/1.30/stc.rb', line 5590

def size
  @size
end

Class Method Details

.from_xml(xml) ⇒ Object 



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# File 'lib/voruby/stc/1.30/stc.rb', line 5632

def self.from_xml(xml)
  root = element_from(xml)
  
  self.new(
    Double2Type.from_xml(REXML::XPath.first(root, 'x:Center', {'x' => obj_ns.uri})),
    Double2Type.from_xml(REXML::XPath.first(root, 'x:Size', {'x' => obj_ns.uri})),
    *ShapeType.shape_from_xml(root)
  )
end

Instance Method Details

#==(b) ⇒ Object 



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# File 'lib/voruby/stc/1.30/stc.rb', line 5612

def ==(b)
  super(b) and
  self.center == b.center and
  self.size == b.size
end

#to_s ⇒ Object 



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# File 'lib/voruby/stc/1.30/stc.rb', line 5628

def to_s
  "BOX #{self.coord_system_id || IdRef.new('J2000')} #{self.center} #{self.size}"
end

#to_xml(name = nil) ⇒ Object 



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# File 'lib/voruby/stc/1.30/stc.rb', line 5618

def to_xml(name=nil)
  el = super(name)
  
  el.add_element(self.center.to_xml('Center'))
  el.add_element(self.size.to_xml('Size'))
  
  collapse_namespaces(el)
  el
end