Class: ChemScanner::Interpreter::Fragment

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/chem_scanner/interpreter/element/fragment.rb

Overview

Molecule class

Instance Method Summary collapse

Constructor Details

#initialize(chemdraw_fragment) ⇒ Fragment

Returns a new instance of Fragment.



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# File 'lib/chem_scanner/interpreter/element/fragment.rb', line 13

def initialize(chemdraw_fragment)
  @fragment = chemdraw_fragment
end

Instance Method Details

#add(other) ⇒ Object 



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# File 'lib/chem_scanner/interpreter/element/fragment.rb', line 17

def add(other)
  @fragment.boxed |= other.boxed

  @fragment.node_map.merge!(other.node_map)
  @fragment.bond_map.merge!(other.bond_map)

  @fragment.rebuild_polygon
end

#clone ⇒ Object 



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# File 'lib/chem_scanner/interpreter/element/fragment.rb', line 26

def clone
  cfrag = @fragment.clone
  cfrag.set_new_id
  cloned = self.class.new(cfrag)
  cloned.boxed = @fragment.boxed
  cloned.node_map = @fragment.node_map
  cloned.bond_map = @fragment.bond_map

  cloned
end

#line? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chem_scanner/interpreter/element/fragment.rb', line 41

def line?
  node_map = @fragment.node_map
  return false if node_map.count < 3

  points = []
  node_map.values.each_with_index do |node, i|
    points << node.point
    next if i < 2

    seg1 = Geometry::Segment.new(points[i - 3], points[i - 2])
    seg2 = Geometry::Segment.new(points[i - 2], points[i - 1])
    return false unless seg1.lies_on_one_line_with?(seg2)
  end

  true
end

#set_id(new_id) ⇒ Object 



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# File 'lib/chem_scanner/interpreter/element/fragment.rb', line 37

def set_id(new_id)
  @fragment.id = new_id
end