Bug / Crash Unable to generate blueprint - Printable Version +- Obi Official Forum (https://obi.virtualmethodstudio.com/forum) +-- Forum: Obi Users Category (https://obi.virtualmethodstudio.com/forum/forum-1.html) +--- Forum: Obi Cloth (https://obi.virtualmethodstudio.com/forum/forum-2.html) +--- Thread: Bug / Crash Unable to generate blueprint (/thread-3138.html) |
Unable to generate blueprint - dswigger - 17-10-2021 I am trying to generate a blueprint using the attached fbx mesh. I have several others from the same model which generate correctly. For some reason this one makes the generator hang(it never finishes), all the others took just a few seconds. I let it sit for 40 minutes and it never finished. Any help would be greatly appreciated. I looked all over the mesh for weirdness in blender, did cleanups. Maybe I missed something. I have been fighting this for hours. Blender snapshot: https://photos.app.goo.gl/k2exTre76D2ku5UG6 Fbx: https://drive.google.com/file/d/12EkVmDDlxMG2ZDpdxXTo4Hu0brGXU8Nl/view?usp=sharing RE: Unable to generate blueprint - josemendez - 18-10-2021 Hi there, I can't access the fbx in your google drive, seems like you need to give permission. Will take a look at it asap as soon as I can download it. kind regards, RE: Unable to generate blueprint - josemendez - 18-10-2021 Hi, Just took a look at the mesh. The issue here is that it contains a lot of non-manifold structures: most edges in the mesh are shared by more than 2 triangles. For instance a shape like this (an edge shared by 5 faces) can't exist in the real world, so it cannot be simulated: Non-manifold meshes are not supported by Obi, as explained in the manual (quote): http://obi.virtualmethodstudio.com/manual/6.2/clothsetup.html Quote:Non-manifold meshes are not supported, if you use one the blueprint will try to identify the source of non-manifoldness and let you know via a warning message. Some non-manifold meshes will however slip trough, causing trouble down the road. Make sure that your input mesh is 2-manifold. In case you need to simulate a non-manifold mesh, use proxies. Although Obi will try to do its best handling non-manifoldness, extreme cases like this one can cause crashes/hangs. You must make sure your mesh is 2-manifold. kind regards, Edit: if you're unsure of what mesh manifoldness is, you can find a lot of info online. This is a good one: https://sinestesia.co/blog/tutorials/non-manifold-meshes-and-how-to-fix-them/ RE: Unable to generate blueprint - dswigger - 18-10-2021 (18-10-2021, 01:28 PM)josemendez Wrote: Hi, Wow! I looked all over it and could not find that problem. Thank you so much, I now have a direction. |