Just came across this great blog post from Toadstorm entitled "A Long-Winded Guide to Houdini Instancing" I'd label it "everything you wanted to know about Houdini instancing but were afraid to ask!" myself. It's a damn fine read, and great for those just starting out in Houdini too.
https://urldefense.proofpoint.com/v2/url?u=http-3A__www.toadstorm.com_blog_-3Fp-3D493&d=DwIFaQ&c=76Q6Tcqc-t2x0ciWn7KFdCiqt6IQ7a_IF9uzNzd_2pA&r=GmX_32eCLYPFLJ529RohsPjjNVwo9P0jVMsrMw7PFsA&m=NIPJF89o1z2Sf-yJSnls9v63QFl5b0y4nhmUBf8UWkg&s=h4hreQntQUMdMiO3LeMrJyHXHEyKLnKAKoxAMLdA0yo&e= Enjoy. On 25 September 2017 at 16:22, Olivier Jeannel <[email protected]> wrote: > Kind of rooky question that I already asked but... > > So I have that "problem" with the copy sop (copy to point, whatever) when > I have to do a copy with multiple input objects. > It was something really easy within ice with high performances. > > I watched the sidefx tutorial, and so far I undertstood they deprecated > the stamp method for a copy within a loop.It's rather slow. > > I also saw a method where it copies all the multiple objects on each point > and then delete according to the ptnum the undesired copies. it gets very > slow when you have many different objects to copy and it eats memory. > > So I made my "own" method > The scenario was > working with packed > 10 different objects(platonic, torus, sphere, etc) > I have some scattered point > I have a noise (float) on the scattered points > I want to distribute my 10 objects according to the values of that noise > > so I divided my noise in 10 zones (based on grey float values) > I counted howmany of each object there was per zone(@numbperzone) > I copied each object the good amount > I placed each copy at its corresponding scattered point > > et voilà > > now for 10 objects distributed on 350000 points it takes under 10s. > https://urldefense.proofpoint.com/v2/url?u=https-3A__drive.google.com_open-3Fid-3D0B1QqhXD7Y15qVnBqMVhKeWl0dnc&d=DwIFaQ&c=76Q6Tcqc-t2x0ciWn7KFdCiqt6IQ7a_IF9uzNzd_2pA&r=GmX_32eCLYPFLJ529RohsPjjNVwo9P0jVMsrMw7PFsA&m=NIPJF89o1z2Sf-yJSnls9v63QFl5b0y4nhmUBf8UWkg&s=ObZ8gSpC-gUJkqCl3yDXGzsY0smzMBKUfJXxB92qo80&e= > > > That's my best method for now, but I have now idea if it's worth something. > > So how do you guys usually do ? > > ------ > Softimage Mailing List. > To unsubscribe, send a mail to [email protected] > with "unsubscribe" in the subject, and reply to confirm. >
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