Funnily enough it all get’s a bit ‘pop will eat itself’ in that a VEX Wrangle is in fact a digital asset and in that digital asset is a VOP and in the VOP is a VEX snippet node and that generates that actual VEX code!
As they used to say in one of my favourite 80’s US comedies ‘Soap’ - “Confused, you will be!”. :) > On 27 Apr 2017, at 07:03, Christopher Crouzet <christopher.crou...@gmail.com> > wrote: > > Technically, VOP is just a wrapper around VEX, so you could say that you're > kinda using VEX... indirectly! :P > > @Steven I actually didn't reply to your question at all. I don't know how I > manage to misread emails that well but I'm pretty good at it! Anyways, the > function `pcfind` returns point numbers, so then you can just loop over them > and use the usual methods, such as for example `point > <http://www.sidefx.com/docs/houdini/vex/functions/point>` to retrieve other > attributes. > > > On 27 April 2017 at 12:33, Olivier Jeannel <facialdel...@gmail.com > <mailto:facialdel...@gmail.com>> wrote: > Still in the VOP band wagon here :/ > > 2017-04-27 7:22 GMT+02:00 Christopher Crouzet <christopher.crou...@gmail.com > <mailto:christopher.crou...@gmail.com>>: > The `Unified Noise VOP`, which is a fairly useful node that outputs all the > noise values in the [0, 1] range, takes pretty much all of its logic from the > `pyro_noise.h` include file. Which means that you can easily have access to > the same functionalities in VEX, like so: > > #include <pyro_noise.h> > v@perlin = vnwrap_perlin3(v@P, 0, 0); > f@pflow = fnwrap_pflow1(v@P, {1, 2, 3}, 0); > > > The naming convention of these wrappers is detailed in the file. And in newer > versions of Houdini than my H13, they have added a `unified_noise` function > that makes it even easier to use. > > Also, it's interesting to see how they managed to unify the noise values in > `pyro_noise.h`: they basically ran a lot of samples and picked the min/max > values of each noise to approximate their range. Statistics for the win! :) > > > @Steven To answer your initial question, you can use `pcimport(my_pc_handle, > "point.number", my_ptnum_var);` to retrieve the point number. > > The function `pcfilter` is handy only if you exactly want the behaviour as > they documented it. If for example you'd like to use a slightly different > weighting formula (based not only on distance but also on mass, for example), > then you'd have to write your own. > > > On 27 April 2017 at 11:27, Andy Goehler <lists.andy.goeh...@gmail.com > <mailto:lists.andy.goeh...@gmail.com>> wrote: > Hi Steven, > > same as Andy (Nicholas) here, VOPs mostly for Noise stuff, Wrangles for > anything else. > > Cheers and have fun. > Andy > >> On Apr 27, 2017, at 12:47 AM, Steven Caron <car...@gmail.com >> <mailto:car...@gmail.com>> wrote: >> >> Just to understand how the power users are using this. Are you using wrangle >> nodes with vex snippets 100% of the time or are you using the VOP sub graph >> for somethings? > > > ------ > Softimage Mailing List. > To unsubscribe, send a mail to softimage-requ...@listproc.autodesk.com > <mailto:softimage-requ...@listproc.autodesk.com> with "unsubscribe" in the > subject, and reply to confirm. > > > > -- > Christopher Crouzet > https://christophercrouzet.com <https://christophercrouzet.com/> > > > ------ > Softimage Mailing List. > To unsubscribe, send a mail to softimage-requ...@listproc.autodesk.com > <mailto: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 > <mailto:softimage-requ...@listproc.autodesk.com> with "unsubscribe" in the > subject, and reply to confirm. > > > > -- > Christopher Crouzet > https://christophercrouzet.com <https://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.
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