Class: Aims::AimsOutput

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

Overview

An object encapsulating the data that is output from AIMS. This object is generated from Aims::OutputParser.parse(filename)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ AimsOutput

Returns a new instance of AimsOutput.



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# File 'lib/aims/output.rb', line 230

def initialize
  self.geometry_steps = Array.new
  self.geometry_converged = false
  self.timings = {}
end

Instance Attribute Details

#computational_steps ⇒ Object

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# File 'lib/aims/output.rb', line 225

def computational_steps
  @computational_steps
end

#geometry_converged ⇒ Object

Boolean, true if the geometry is converged



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# File 'lib/aims/output.rb', line 218

def geometry_converged
  @geometry_converged
end

#geometry_steps ⇒ Object

Each Aims::GeometryStep geometry relaxation step



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# File 'lib/aims/output.rb', line 209

def geometry_steps
  @geometry_steps
end

#k_grid ⇒ Object

The k-point grid for periodic calculations



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# File 'lib/aims/output.rb', line 212

def k_grid
  @k_grid
end

#n_atoms ⇒ Object

The number of atoms in the computation



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# File 'lib/aims/output.rb', line 228

def n_atoms
  @n_atoms
end

#original_file ⇒ Object

The name of the calculation output file



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# File 'lib/aims/output.rb', line 215

def original_file
  @original_file
end

#timings ⇒ Object

The detailed time accounting data as a Aims::Timings will be nil if the calculation did not complete



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# File 'lib/aims/output.rb', line 222

def timings
  @timings
end

Instance Method Details

#final_geometry ⇒ Object 



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# File 'lib/aims/output.rb', line 246

def final_geometry
  self.geometry_steps.last.geometry
end

#final_step ⇒ Object 



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# File 'lib/aims/output.rb', line 250

def final_step
  self.geometry_steps.last
end

#geometry_step ⇒ Object 



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# File 'lib/aims/output.rb', line 254

def geometry_step
  self.geometry_steps.last
end

#n_relaxation_steps ⇒ Object 



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# File 'lib/aims/output.rb', line 258

def n_relaxation_steps
  self.geometry_steps.size - 1
end

#n_sc_iterations ⇒ Object 



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# File 'lib/aims/output.rb', line 262

def n_sc_iterations
  self.geometry_steps.inject(0){|total, step|
    total = total + step.sc_iterations.size
  }
end

#sc_iteration ⇒ Object 



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# File 'lib/aims/output.rb', line 278

def sc_iteration
  self.geometry_step.sc_iteration
end

#total_cpu_time ⇒ Object 



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# File 'lib/aims/output.rb', line 268

def total_cpu_time
  begin 
    self.timings.find{|t| t[:description] =~ /Total time$/}[:cpu_time]
  rescue
    self.geometry_steps.inject(0) {|total, step|
      total = total + step.total_cpu_time
    }
  end
end

#total_energy ⇒ Object

Returns the best available value of the total energy



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# File 'lib/aims/output.rb', line 237

def total_energy
  etot = self.geometry_steps.collect{|gs| gs.total_energy }.compact.last
  if etot.nil? 
    Float::NAN
  else
    etot
  end
end