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Creating an Instance

Covered Topics

• Parametric values : pitches, dynamics… how to define a chord

• Applying lists of parametric values to a chord object

• Materializing and visualizing the chord object

Good to Know

1. What is a list ?

A list is a finite , ordered sequence of elements, delineated by two parenthesis. In a list, each element itself is an atom , or a list. A list inside a list is also called a sub list.

1. How much is a semitone in midicents ?

A semitone is equal to 100 midicents

Keywords

Evaluation[1]

Main Links to the User Manual

See also:

• Elementary Manipulations
• Box Inputs
• Evaluation

References :

1. Evaluation

In Lisp, evaluating an expression amounts to interpreting and reducing its contents in order to return a result.

In OM, visual programs represent Lisp expressions and evaluating a box triggers the calculus that will determine the value of these expressions.

Any kind of box can be evaluated and return something. To evaluate a box, ⤷ Click and press v or Cmd click on an outlet.

Contents :

• OpenMusic Documentation
• OM User Manual
• OpenMusic QuickStart
  • Summary
  • Starting a Session
  • Programming a Simple Patch
  • Manipulating the Patch
  • A Musical Application
    • Chord & Musical Objects
    • Creating an Instance
    • Formalizing a Process
    • Materializing Results
  • Manipulating and Visualizing Objects
  • Saving and Quitting OM

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