Fan Zhang

ChinaNoodles

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VFX Artist
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Houdini Engine for Unreal - Version 2 Jan. 12, 2021, 2:57 a.m.

JvK Artwork
Hey guys, I'm having a pretty detrimental issue with Houdini Engine v2 right now.

I'm working on a large-scale environment processing tool for a project, for which I'm using PDG and world composition functionality in Unreal Engine. I've already had a lot of bugs and crashes with the earlier betas of HEv2, but the latest build ironed some of those out.

Now, I've done a week of extensive testing and I can't figure this one out: Whenever I try to bake my environment into world composition levels (using the 'Unreal World Composition Prepare' node), either the levels don't show up at all or they show up without the landscape / heightfield component. I'm following a somewhat similar setup to the Procedural Desert tutorial by Simon Verstraete.

I've tested this in a normal SOP-level HDA as well and with a simple setup, that one works fine. I've ruled out the possibility of it having to do with incompatible resolutions (the SOP example uses the exact same 4033x4033 heightfield) or any incorrect attributes (again, exact same as the SOP HDA).

Anyone with the same issue, or is this a known bug?

yeah, I have the same issue. I'm using UE 4.26 and compiled the latest houdini engine (with 408) by myself. when you bake out something, if it have some meshes or instances. it can generate the sublevel but without heightfield. Basically it can't bakeout the heightfield at all by using pdg.

Houdini 12 install fail on OS X 10.7.3 April 11, 2014, 7:22 a.m.

cgbeige
ok - done thx

Hey buddy,

i met the exactly same problems with you, can you let me know how you solved it?

Moving obj to point along time May 16, 2009, 3:13 a.m.

nzabala
Thats a great solution!, much simple than mine's. I didn't know about the Blend object. Thanks for the help!
well ,i have a good way.
use vop sop node, use two positions of your objects to make a velocity,and give the velocity to a particle system,use particles to control your object.
blend shape is also a good way, but it depend on your project. if there are more objects ,that might not be an efficient way.
sorry for my bad english. Hope it can help you.