Class: MathViz

Inherits:
Object show all
Defined in:
lib/mathviz.rb

Overview

Top level object.

Defined Under Namespace

Modules: Measurable, Measured, Units Classes: Constant, Input, Operation, Term, Unit

Constant Summary collapse

VERSION =

RubyGem version

'1.0.1'
Infinity =

Something to return instead of dividing by zero, etc.

1.0/0

Instance Method Summary collapse

Constructor Details

#initialize(name = nil, bind = nil, &proc) ⇒ MathViz

  • base name of the output file. If omitted(falsy) it will use the top level program name.

  • Binding object, as if from ‘binding’

  • A proc which returns a binding.

If bind is passed, the proc will not be executed. If bind is falsy, the proc will be executed and it’s return value stored.

The proc is evaluated in the context of the new MathViz instance, making #const and #input directly available



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# File 'lib/mathviz.rb', line 18

def initialize(name = nil, bind = nil, &proc)
  @name = name || File.basename($PROGRAM_NAME, '.rb')
  @env = bind || instance_eval(&proc)
end

Instance Method Details

#const(x) ⇒ Object

Convert a basic value (typically Numeric) into a MathViz::Term (MathViz::Constant)



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# File 'lib/mathviz.rb', line 24

def const(x)
  MathViz::Constant.new(x)
end

#dot ⇒ Object

Save a Graphviz .dot file in the current directory, with name specified in the constructor. Triggers most of the actual processsing.



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# File 'lib/mathviz.rb', line 34

def dot
  MathViz::Term.name_terms!(@env)
  #puts MathViz::Term.list_terms(@env).map {|t| t.long}
  graph = GraphvizR.new @name
  graph = MathViz::Term.list_terms(@env).inject(graph) {|g, t|
    t.to_dot(g)
    g
  }

  #puts graph.to_dot
  graph.output(@name + '.dot', 'dot')
end

#input(x) ⇒ Object

Convert a basic value (typically Numeric) into a MathViz::Term (MathViz::Input)



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# File 'lib/mathviz.rb', line 29

def input(x)
  MathViz::Input.new(x)
end