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Author Topic: inverted falloff distribution on a surface with inner boundary  (Read 612 times)

GK2577

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inverted falloff distribution on a surface with inner boundary
« on: February 28, 2015, 06:12:24 PM »
Hi!
I recently found some difficulties with distribution  on surfaces which contains inner boundaries.
The problem is explained in attached screenshot.
Hope in further releases problem will be eliminated.
Best regards

iToo

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Re: inverted falloff distribution on a surface with inner boundary
« Reply #1 on: March 01, 2015, 10:30:45 AM »
Hi, although the result seems wrong, really in this case the distribution is correct: when a surface is used as scattering area, inner boundaries are considered as Exclude areas and Forest creates items around them because the "Exclude Fallof->Inverted".

I suggest this alternative method, which has not that problem:

1) Create a spline surround your surface. Its shape is not important, you can use a simple rectangle.
2) Assign it as Include area. Be sure to move it below all Exclude areas in the list (the order of Include/Exclude areas is significative).
3) Turn off the "Surface area", so it doesn't generate items.

With this configuration, Forest uses the surface only as a reference to align the items on Z, but not as a scattering area.
Carlos Quintero
iToo Software

GK2577

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Re: inverted falloff distribution on a surface with inner boundary
« Reply #2 on: March 02, 2015, 12:21:46 AM »
Thanks!
Your solution is much smarter :)