Adjust the direction of the box to the direction of the plane.

[yam]

I want to layout box which rotate direction same as plane. 

plane`s small length direction is same as box small length direction 

 how to do it?

hip file please. help me

Edited November 11, 2024 by yam

[AntoineSfx]

you can for example CopytoPoints SOP the Box (axis aligned), to the center of the the plane (one primitive), 

All you need to do if compute some orientation, depending on what your workflow looks like at this point. It may already even exist

Read carefully this:

https://www.sidefx.com/docs/houdini/copy/instanceattrs.html

and find an attribute that you can compute.

Useful tips:

In primitive wrangle, @P evaluates to the center of the prim

int np = addpoint(0,@P) give you the center.

The normal is trivial to compute, it's either in @N or in prim_normal()

All you need is the third vector, it could be a vector computed from two adjacent points on the primitive..

[Zunder]

On 11/11/2024 at 8:44 AM, yam said:

I want to layout box which rotate direction same as plane. 

plane`s small length direction is same as box small length direction 

 how to do it?

hip file please. help me

Just use bound sop, and turn on "oriented box" option