So why not fracture it in XSI? IFX does a pretty good job at that plus there are several other tools that a decent too.
Morten > Den 7. december 2016 klokken 15:32 skrev Fabricio Chamon <xsiml...@gmail.com>: > > > Hey, well I'm not simulating in houdini. I'm exporting direclty from the > voronoi fracture output to a rop alembic. > > So my case is a bit simpler, I just need to send the fractured geo back. > Alembic is working fine for the purpose, (for some reason it already gives > me fused vertices). > > > > 2016-12-06 21:16 GMT-02:00 nikaragua86 <nikaragu...@gmail.com>: > > > what node are you exporting from houdini? you can try to cache the > > simulation to bgeo, then import it to houdini, then fuse vertices, export > > to bgeo again, just to make sure all is correct, then import to houdini and > > than export to alembic. just like in this tutorial. also make sure that you > > understand what you are doing and which option to choose with > > > > Dop Import Import Style Fetch Packed Geometry > > > > [image: Встроенное изображение 1] > > > > > > https://vimeo.com/92866922 > > > > > > 2016-12-07 1:41 GMT+03:00 Fabricio Chamon <xsiml...@gmail.com>: > > > >> yes I tried converting to poly before the fuse node, nothing changed. > >> > >> But as I'm now commited to the beforementioned workflow things are sort > >> of flowing. > >> > >> Thanks for the tips anyway! Will surelyl remember that for the next time. > >> > >> 2016-12-06 17:59 GMT-02:00 Nono <nnois...@gmail.com>: > >> > >>> Maybe you can't fuse because of polysoup or packedgeo, did you try a > >>> convert node (to poly) or an unpack before fusing ? > >>> > >>> Be carefull with fuse thought if you fuse your surely have to do that in > >>> a loop (just use the piece attribute) to prevent fusing pieces together. > >>> > >>> Cheers > >>> > >>> On 6 December 2016 at 16:32, Fabricio Chamon <xsiml...@gmail.com> wrote: > >>> > >>>> thanks Christopher! I tried using divide + the scale/rescale > >>>> stuff...even so I'm still not getting 100% reliable results as you noted. > >>>> > >>>> On top of that there are many issues with alembic importer in > >>>> softimage.... It is buggy and hangs/crashes randomly (with the fractured > >>>> meshes coming houdini I have to say...didn't have any troubles like that > >>>> in > >>>> other scenarios) > >>>> > >>>> Ok. so here is an overview in case anybody else needs to transfer > >>>> houdini fractures back to softimage: > >>>> > >>>> - .obj always import ok (doesn't crash), but internal faces are always > >>>> disconnected > >>>> - .abc imported through built-in importer sort of works (a progress bar > >>>> hangs at viewport, I have to click cancel, but everything is there). > >>>> Welded > >>>> faces, which is nice, BUT messed up (stretched) UVs in some spots. Also, > >>>> it > >>>> introduces all kinds of wierdnessess in the scene, so totally not > >>>> recomended. > >>>> - .abc imported through exocortex crate works reliably (doesn't crash, > >>>> no buggy behaviors). Welded faces, BUT no UVs (well it comes with a > >>>> strange > >>>> UV that is not usable). Retains inside/outside groups from houdini > >>>> (stored > >>>> as clusters) which is a big plus > >>>> > >>>> So in the end the "easiest" way I found to transfer these meshes is to > >>>> export data as alembic through the ROP Alembic Output node (ogawa or > >>>> whatever, does not really matter), then import into soft with crate and > >>>> finally transfer the UVs using gator. (yeah terrible for dense meshes). > >>>> > >>>> > >>>> > >>>> 2016-12-06 12:36 GMT-02:00 Christopher Crouzet < > >>>> christopher.crou...@gmail.com>: > >>>> > >>>>> For information, I also had issues with the Voronoi SOP creating a > >>>>> suboptimal mesh output (disconnected points here and there) and found > >>>>> that > >>>>> the scale of the object can greatly influence the quality of the > >>>>> fracture. > >>>>> So just crank up the scale to reach a bounding box of around 100-1000 > >>>>> units > >>>>> (don't go too high or this might cause floating-point issues), apply the > >>>>> Voronoi SOP, and revert the scale back. Another helpful thing to do, as > >>>>> recommended by SESI, is to avoid an input geometry with non-planar > >>>>> faces by > >>>>> inserting a Divide SOP before the fracture. > >>>>> > >>>>> Well, even with these 2 tips it still might not work depending on the > >>>>> input geometry. > >>>>> > >>>>> > >>>>> On 6 December 2016 at 21:29, Fabricio Chamon <xsiml...@gmail.com> > >>>>> wrote: > >>>>> > >>>>>> ok solved exporting through a ROP node instead of file node. Now > >>>>>> alembic imports fine and all faces are good. =) > >>>>>> > >>>>>> 2016-12-06 12:15 GMT-02:00 Fabricio Chamon <xsiml...@gmail.com>: > >>>>>> > >>>>>>> Well, unfortunatelly soft crashes everytime I try to import this > >>>>>>> alembic mesh from houdini... so I went for objs. > >>>>>>> > >>>>>>> And I'm afraid I can't merge them in Soft because a) it will take > >>>>>>> quite some time as the whole geo is dense and b) I'd have to leave a > >>>>>>> gap > >>>>>>> between the pieces or else any adjacent pieces would get merged > >>>>>>> together... > >>>>>>> and I want them to be single pieces. > >>>>>>> > >>>>>>> is that an export thing ? Because it works nicely inside houdini... > >>>>>>> > >>>>>>> 2016-12-06 12:07 GMT-02:00 nikaragua86 <nikaragu...@gmail.com>: > >>>>>>> > >>>>>>>> hi, i had the same issue, exported simulation from houdini to maya > >>>>>>>> with alembic, i just merged vertices in maya > >>>>>>>> > >>>>>>>> 2016-12-06 17:00 GMT+03:00 Fabricio Chamon <xsiml...@gmail.com>: > >>>>>>>> > >>>>>>>>> Hey gang, > >>>>>>>>> > >>>>>>>>> I'm doing a voronoi shatter in houdini and want to bring the > >>>>>>>>> result back into softimage (exporting .obj to Soft 2015 SP2). The > >>>>>>>>> outside > >>>>>>>>> pieces are disconected from the inside pieces, like this: > >>>>>>>>> > >>>>>>>>> [image: Imagem inline 1] > >>>>>>>>> > >>>>>>>>> I'm pretty sure it's me doing something wrong in houdini... My > >>>>>>>>> setup is really simple: Import alembic mesh > vdb from polys > > >>>>>>>>> scatter > > >>>>>>>>> voronoi with those points. Already tried to mess with all the > >>>>>>>>> voronoi > >>>>>>>>> parameters and add a fuse node at the very end just before > >>>>>>>>> exporting. But I > >>>>>>>>> can't find a way to have the outside/inside faces merged for each > >>>>>>>>> piece. > >>>>>>>>> > >>>>>>>>> any hints? > >>>>>>>>> > >>>>>>>>> Thank you > >>>>>>>>> > >>>>>>>>> ------ > >>>>>>>>> Softimage Mailing List. > >>>>>>>>> To unsubscribe, send a mail to softimage-requ...@listproc.aut > >>>>>>>>> odesk.com with "unsubscribe" in the subject, and reply to confirm. > >>>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> ------ > >>>>>>>> Softimage Mailing List. > >>>>>>>> To unsubscribe, send a mail to softimage-requ...@listproc.aut > >>>>>>>> odesk.com with "unsubscribe" in the subject, and reply to confirm. > >>>>>>>> > >>>>>>> > >>>>>>> > >>>>>> > >>>>>> ------ > >>>>>> Softimage Mailing List. > >>>>>> To unsubscribe, send a mail to softimage-requ...@listproc.aut > >>>>>> odesk.com with "unsubscribe" in the subject, and reply to confirm. > >>>>>> > >>>>> > >>>>> > >>>>> > >>>>> -- > >>>>> Christopher Crouzet > >>>>> *http://christophercrouzet.com* <http://christophercrouzet.com> > >>>>> > >>>>> > >>>>> ------ > >>>>> Softimage Mailing List. > >>>>> To unsubscribe, send a mail to softimage-requ...@listproc.autodesk.com > >>>>> with "unsubscribe" in the subject, and reply to confirm. > >>>>> > >>>> > >>>> > >>>> ------ > >>>> Softimage Mailing List. > >>>> To unsubscribe, send a mail to softimage-requ...@listproc.autodesk.com > >>>> with "unsubscribe" in the subject, and reply to confirm. > >>>> > >>> > >>> > >>> ------ > >>> Softimage Mailing List. > >>> To unsubscribe, send a mail to softimage-requ...@listproc.autodesk.com > >>> with "unsubscribe" in the subject, and reply to confirm. > >>> > >> > >> > >> ------ > >> Softimage Mailing List. > >> To unsubscribe, send a mail to softimage-requ...@listproc.autodesk.com > >> with "unsubscribe" in the subject, and reply to confirm. > >> > > > > > > ------ > > Softimage Mailing List. > > To unsubscribe, send a mail to softimage-requ...@listproc.autodesk.com > > with "unsubscribe" in the subject, and reply to confirm. > > > ------ > Softimage Mailing List. > To unsubscribe, send a mail to softimage-requ...@listproc.autodesk.com with > "unsubscribe" in the subject, and reply to confirm. ------ Softimage Mailing List. 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