Module: Chem::Bond

Included in:
GSpanBond, MDL::MDLBond, MDL::RxnBond, SmilesBond, Sybyl::SybylBond, TINKER::TinkerBond
Defined in:
lib/chem/model.rb,
lib/chem/db/mdl.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#color ⇒ Object

set [r, g, b] for visualization



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# File 'lib/chem/model.rb', line 87

def color
  @color
end

#v ⇒ Object

Returns valency of bond use bond_type



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# File 'lib/chem/model.rb', line 57

def v
  @v
end

Instance Method Details

#bond_type ⇒ Object

Returns Bond Type this method may be overridden by concrete class

:single

Single bond

:double

Double bond

:triple

Triple bond

:aromatic

Aromatic Bond

:single_or_double

Single or Double bond

:single_or_aromatic

Single or Aromatic bond

:double_or_aromatic

Double or Aromatic bond

:any

Any bond



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# File 'lib/chem/model.rb', line 78

def bond_type ; :any ; end

#stereo ⇒ Object

Returns Bond Stereo this method may be overridden by concrete class

:not_stereo

Not Stereo

:up

Up

:down

Down

:cis_trans

Cis or Trans

:either

Either



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# File 'lib/chem/model.rb', line 66

def stereo ; :either ; end

#to_mdl(from, to) ⇒ Object 



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# File 'lib/chem/db/mdl.rb', line 41

def to_mdl from, to
  "%3d%3d%3d%3d      " % [from, to, v, 0]
end

#topology ⇒ Object

Returns Topology of bond this method may be overridden by concrete class

:either

Either

:ring

Ring

:chain

Chain



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# File 'lib/chem/model.rb', line 85

def topology ; :either ; end