RafaMar,

I think you should make a feature request out of this and add it to the Bug Tracker. The reason I say this is because we are always hoping that another programmer decides to help and making modifications to a plugin, like Rotate, is a very good way to get started working on Cinelerra development. That way if a programmer looks in the Bug Tracker, they can choose something interesting but not overwhelming. Many of the plugins are the original ones added years and years ago and so are more basic and could certainly be embellished. And over time, that does get done. For example, the Title plugin was very minimal originally and now is quite robust by comparison. (Oh, and pleas add that it would be good to put this in the Camera/Projector too if you create a Bug Tracker issue).

It is not that easy to do and takes quite a bit of fiddling. Programming it is a lot different than drawing it!

Unfortunately, there is no facilitating way to change Cinelerra. It is all programming code (C++) and no scripting. The original Cinelerra-C manual (cinelerra_cv_manual_en.pdf somewhere on the internet) did have a chapter on "Plugin Authoring" but you still had to be a programmer to author a plugin and we left that out of the current manual as just plain ridiculous.

On Thu, Jun 4, 2020 at 3:47 PM Rafa Mar Multimedia en Gnu\Linux <rafamar.mm.ig@gmail.com> wrote:

Cinelerra is a good application to make video composition, where it is very common to use rotation ... and well I have nothing against the current rotation effect, only it is a bit, I don't know how I would say it, or you don't get or you go overboard and waste a lot of time when you need a custom rotation.
Would an effect like that of the image in cinelerra be possible? Or an abuse on my part to ask for something like that?
It is easy to do, or it takes a lot of work.

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I also think users would greatly appreciate and welcome the addition of the rotate option on both the camera and projector.
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One last question, can the Python language be used to do things in cinelerra, such as effects or tools to facilitate work, or is it not useful?
I do not know how to program, but sometimes Maya or Blender give me scripts in mel or python, and well without understanding, I will change some values to suit my needs, but I do not rule out signing up for a course to learn python. Will I be able to do things in Cinelerra with this language? Or is it not supported?

Thank you.
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