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Activity Forums Maxon Cinema 4D Particle emitter: re-starting renders?

  • Particle emitter: re-starting renders?

    Posted by Eric Chard on October 20, 2019 at 12:02 am

    (R17) I’m in the middle of a 15 hour render so I can’t test this, so I’ll ask:

    I’ve noticed that restarting an “editor playback” of an emitter changes the way the particles move, especially if one has messed with forces such as Turbulance or Rotation.

    If you restart a RENDER, does c4d do a quick recalc so that particles are back on the same track, or does it just start whereever you restart?   IOW, is it necessary to bake particle paths before executing a render that will be started and stopped?

    ​​​​​​​Tnx

    ++++++++++++++++
    “Putting the HARM in ‘harmonica’ since 2005.”
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    Eric Chard replied 6 years, 6 months ago 2 Members · 2 Replies
  • 2 Replies
  • Brian Jones

    October 20, 2019 at 5:13 am

    the editor is about speed it just takes whatever it has in a frame and is not accurate with breaks at all. Full render will calculate from the start to ensure accuracy which can take a while if you are restarting a long way in. It’s not necessary to cache the particles but it gets rid of the calculation phase at the start of each new render so if you are doing a bunch of starting and stopping it can be quicker to cache.

  • Eric Chard

    October 21, 2019 at 6:25 am

    That’s good to know, as I watched a video about cacheing and it seemed to at least heavily imply that glitches were to be expected in the render if it were restarted.

    This is re-assuring, although I’m sure to be safe one could always just make sure to cache the particles.

    ++++++++++++++++
    “Putting the HARM in ‘harmonica’ since 2005.”
    ++++++++++++++++

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