Chaos Scatter > [Scatter] I need help!
Chaos Scatter - Instances outside spline restrictions still there?
d4l1:
Hi, hope you all doing fine! :)
I'm working with Chaos Scatter in Corona 9 (C4D 2023) and I try to use the Scatter for some small parts / thin stripes on my ground plane.
Because of the nice stuff the Scatter comes with, including the Include / Exclude with Splines and also the Edge Trimming I somehow hoped that this setup would be enough to scatter the plants, without having to cut out little islands out of my big ground plane to spawn the plants on. But it seems like - internally - Chaos Scatter deploys instances for the whole object which results in crashes if I'm overdoing the Instances / cm². Camera clipping is on, the viewport only shows me preview objects inside my spline but yeah - it crashes. If I use a way smaller ground object everything works fine. :)
Am I missing something there or is it a technical limitation I'm not aware of? For now it works like every other Scatter plugin I've tried - really hoped that I can get rid of that tedious work.
TomG:
The crash report would help, to see why it crashed. And the scene would also help. https://support.chaos.com/hc/en-us/articles/4648898278545-How-to-report-issues-C4D has info on where to find the minidump, and both scene and minidump can be sent in via https://support.chaos.com/requests/new
romullus:
--- Quote from: d4l1 on 2022-10-28, 12:15:59 ---But it seems like - internally - Chaos Scatter deploys instances for the whole object which results in crashes if I'm overdoing the Instances / cm². Camera clipping is on, the viewport only shows me preview objects inside my spline but yeah - it crashes. If I use a way smaller ground object everything works fine. :)
--- End quote ---
That's right, the scatter indeed distributes instances on the whole area and then culls them down according to defined spline area and/or camera view frustum. It have to do this, otherwise on every slightest move of the camera, or change of area defining splines, it would have to redistribute instances and that would be really bad thing - imagine rendering camera flyby animation, where scattered trees, or grass would change their position on every frame.
As for the crashes, that should not happen even with very large number of scattered instances and you should report it as suggested by Tom.
d4l1:
Ok! Thanks for your quick response. Just filled out the bug report form and included the project + bugreport stuff. I really hope I didn't forget something :)
d4l1:
--- Quote from: romullus on 2022-10-28, 13:48:15 ---
--- Quote from: d4l1 on 2022-10-28, 12:15:59 ---But it seems like - internally - Chaos Scatter deploys instances for the whole object which results in crashes if I'm overdoing the Instances / cm². Camera clipping is on, the viewport only shows me preview objects inside my spline but yeah - it crashes. If I use a way smaller ground object everything works fine. :)
--- End quote ---
That's right, the scatter indeed distributes instances on the whole area and then culls them down according to defined spline area and/or camera view frustum. It have to do this, otherwise on every slightest move of the camera, or change of area defining splines, it would have to redistribute instances and that would be really bad thing - imagine rendering camera flyby animation, where scattered trees, or grass would change their position on every frame.
As for the crashes, that should not happen even with very large number of scattered instances and you should report it as suggested by Tom.
--- End quote ---
Ok, yes, sounds reasonable. Changing position every frame sounds even worse than my crashes :D
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