Class:            PitchTimeLayoutManager

Environment:      Siren
Superclass:         Siren.TimeSequenceLayoutManager
Category:         MusicUI-Layout
Instance variables:   pitchScale pitchOffset

Instances of the PitchTimeLayoutManager classes are used to generate display lists with "x = time" and "y = pitch" from event lists.
The default layout is linear pitch-to-y, like piano-roll or Hauer-Steffens notation.

Instance Variables:
   pitchScale       the key#/pixel scale
   pitchOffset       the bottom of the layout as a key#

accessing

pitchOffset: aNumber
   Set the receiver's pitch offset.

pitchScale: aNumber
   Set the receiver's pitch scale.

generating

displayPointFor: anAss
   Answer the display point for the argument.

MetaClass:         PitchTimeLayoutManager class