Split large mesh into pieces

[isjtar]

Hello,

I'm new to this forum, houdini beginner as well, so please bear with me.
I'm dealing with very large meshes from lidar scans and need to separate them into smaller ones, for importing into unreal, LOD's etc
It would be neat to set number of divisions in x and z, and assign groups - I can do the object merge to geo node by hand.
I started doing it with a for loop, not sure if it's the right approach, in attachment for what it's worth.

Any help would be greatly appreciated...

Thanks!

Isjtar

 

meshCutter.hiplc

[isjtar]

It's much simpler in VEX, I figured it out, in case anyone needs it. Only on one axis, divides the mesh and assigns the parts to groups.

vector bmin = getbbox_min(0);
vector bmax = getbbox_max(0);
vector bsize = getbbox_size(0);
float iter = 4;


for (int i = 0; i < iter; i++){ 
    string groupname = sprintf("grup_%d", i);

    
    if(@P.x > (bmin.x + (bsize.x / iter * i)) && 
       @P.x < (bmin.x + (bsize.x / iter * (i+1))))
    {
        @Cd = {1, 1, 1} * i / 4;
        setprimgroup(0, groupname, @primnum, 1);
    }
}

 

[ludvigl]

awesome, this worked great for me! thanks for sharing the solution