I thought something like this would be more straightforward... but for testing purposes, here is Christopher's expression on the Point SOP.
[image: Inline images 1] On 2 March 2017 at 13:52, Christopher Crouzet <christopher.crou...@gmail.com > wrote: > I also had issues figuring that out at first. There doesn't seem to be any > hard rule nor consitency and that's simply because not every node operates > on the same kind of data (nor provide support for the same feature set). > One way to know is to check if the $PT variable is available when typing > an HScript expression in a parameter. Which is not the case for the Peak > SOP, at least for me in Houdini 13. > > But you know what? You can have the same result with a custom operator > made in less than 2 minutes. Create a VOP SOP, or an Attribute Wrangle SOP, > and for each point you only have to add the normal to the position, with > the coefficient value from your painted attribute. > > Example in VEX: v@P += normalize(v@N) * f@my_painted_attribute; > > > On 2 March 2017 at 20:38, <p...@bustykelp.com> wrote: > >> >> Hi, >> >> I’ve just started learning Houdini. I’m finding it hard to find knowledge >> on how to have an attribute, that I’ve created then painted, to drive ,say >> the per point value of a peak deformer node >> >> I have tried the point expression, but I get a load of errors. >> >> does anyone know please? >> >> thanks >> Paul ‘pooby’ Smith >> >> ------ >> Softimage Mailing List. >> To unsubscribe, send a mail to 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. > -- www.edschiffer.com
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