[PD] [gemhead]s vs. [separator]

[Chris Clepper]

The [gemhead] also controls the order of execution of chains while
[separator] inherits that from the [gemhead].  One giant chain off a single
[gemhead] with a bunch of [separator] will not give the same results as a
bunch of different [gemhead] with explicit order of execution.  There is
some overhead with [separator] that can become non-trivial if enough of
them are used (like in a loop).

One thing that helps is to always give each [gemhead] a value for render
order.  This will avoid, or at least help understand, many problems with
how rendering occurs.

On Sat, Dec 5, 2015 at 9:15 AM, João Pais <jmmmpais at gmail.com> wrote:

> Hello list,
>
> I don't work with GEM so regularly, so I had a question regarding
> independent processing chains.
> I'm showing different [shpere]s, and wanted to do individual
> transformations on each, such as [color] and [translateXYZ]. Until now I
> used an individual [gemhead] for each [sphere], but I just learned that it
> can also be done using one common [gemhead] and [separator]s instead.
>
> I would like to learn, what are the pros and cons of each solution? Which
> solution is more efficient and for which reasons?
>
>
> Plus: [color] and [colorRBG] seem to have the same function. Besides the
> extra inputs, is there any difference/advantage in one object instead of
> the other?
>
> Best,
>
> jmmmp
>
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