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# 44. `postproc` — Postprocessing functions

Postprocessing means collecting a geometrical model and computed values from a numerical simulation, and render the values on the domain.

`Classes defined in module postproc`

`Functions defined in module postproc`

`postproc.``frameScale`(nframes=10, cycle='up', shape='linear')

  Return a sequence of scale values between -1 and +1.

  `nframes` : the number of steps between 0 and -1/+1 values.

  `cycle`: determines how subsequent cycles occur:

  > `'up'`: ramping up

  > `'updown'`: ramping up and down

  > `'revert'`: ramping up and down then reverse up and down

  `shape`: determines the shape of the amplitude curve:

  > `'linear'`: linear scaling

  > `'sine'`: sinusoidal scaling

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