hi,

William F Pokorny <ano### [at] anonymousorg> wrote:
> On 10/24/25 03:46, jr wrote:
> > "Paul Bourke" <pau### [at] gmailcom> wrote:
> >> ...
> >> The command line options work fine EXCEPT if one wants the first frame of the
> >> animation. +sf0 +ef0, seems to render the whole sequence.
> >
> > confirmed (alpha.9945627).  fwiw, the options do work when using an .ini file.
>
> The subset frame options - like the per frame, image, column and row
> subset options - 'support' percentage specifications. At best the pct
> feature causes confusion; at worst there are bugs, like when trying to
> render only the top row of an image.

"in one" as usual </grin>.  had not thought about the percentage notation, but:
  $ pov38 ... +sf0.0 +ef0.0
does work as per PB's intent.


> ...
> If later, with v4, we decide the percentage specifications are needed
> these should be implemented with their own flag and option sets
> (something like: +sf_pct, etc).

agree that distinct names should be "the way forward".


regards, jr.

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