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What's left to say...
This ought to be it for now. With this little minitorial you should have gotten some idea of how I achieved this spark effect using particles and visible lights. I know that I didn't go into any details of where to place all those emiters, lights and modifiers. I never intended to, though. You can download the scene and see how everything is set up there. One more thing. If you can afford the extra time, use some motionblur. Since there is no object blur for particles, you have to use scene motion blur (left screenshot). Don't set it too high, though. This would blur away all those tiny details which you worked on so hard to catch the viewers eye.
I do know that there are many things I said which might be argued. All this is out of my limited experience. So if you have anything to add or correct (I do know that I misspelled spark in some of the screenshots) just go ahead and drop me a mail. I hope this was a little helpful to some of you at least...
- tmb,
Berlin 22.05.00
PS: I almost forgot this. If you take a look at the placement of my particle emitters, you might notice that they are a little bit ahead of the saw. This is because there is some unwanted feature. This causes the particles to be emitted a little bit behind the emitter (right screenshot). I believe this due to a sampling issue, (where are particles between frames) but I'm guessing here. Anyway, if you want to start the particle stream at a certain point - be sure to move the emitter a little behind that point.
PPS: I've been asked for a PDF-file. I'll think about this. This depends on how many people would like one. So tell me if you'd rather have something to spill some coffee on.
Extra Credits to "me" for your self-sacrificing help!
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