Hi guys,

This is William here, currently working on a project. Where I have to fracture stuff and blow it up. I have never work with Houdini before but manage to use basic scatter node and voronoi fracture node to fracture the simple box ( for the test).

This Box, I model in Maya export out as FBX and bring in to Houdini, fractured it, save as obj and bring it back to MAYA.
Everything works.

But here is a question why when I bring it back into Maya I apply a field on it to blow it up, when the geos are fracturing, I can see inside the geo is empty… Here are some pictures.

Was thinking maya because of I did not connect inside faces or edges under the “Voronoi fracture node”?

i'm guessing the things are freaking me out is when i'm done fracturing in Houdini I've applied a exploview node on it. everything was solid, but when I'm back into maya, things are like that, please see the pictures that I screen captured.



Thanks for all your time reading it through, hopefully we can all learn from each other.

William

I only have apprentice HD so can't export FBX but this is probably groups related. On the voronoi fracture node don't create the inside/outside groups. Just leave those fields blank and then try exporting again.

If you have to much of troubles to get your data in to maya you can try SOup:
http://www.soup-dev.com/ [soup-dev.com]

Video Tutorial:
http://www.youtube.com/watch?v=IfGZuZsD4RE [youtube.com]

Not that soup is not cool…but I don't exactly think that it replaces Houdini or solves this persons problem.

While I am not in place to look at your file I would say you have a normals/fuse problem and that I would look into the Facet and Fuse sops.