CinnamonMetal

If anyone has any suggestions, I created an integer attribute and whether it be the Intersect vop or the Ray SOP so the points cast only on the integer attribute, rather then a vector attribute. I've tried binding an integer attribute and using that in an attribute vop but it doesn't cast ?

That isn't working as I want. I give the vector attribute direction but the points are not casting to that attribute.

How can I get points to conform to primitives from a vector attribute value ?

The point have no color on them, only the geometry, are you saying to transfer the Cd.r from the geometry to the points; the points still won't confine to the red areas of the geometry; as well as I want that bleed.

I want the particles to slide only on the parts of the geometry which are red, not the black areas, but using a parameter having some control whether some of the particles bleed into the semi-black areas is required.

Fluid_Liquid_Sphere.hipnc I kept the attributevop network from your post; rather then my own.

The points continue to project on the black as well as the red.

How do I get points to only effect the @Cd.r of the geometry; the current way is not working; the intersect is casting rays on the whole geometry regardless of the color on the geometry ?

I have to slightly Hijack this thread, hopefully @Atom can respond or anyone. Can one load Python modules inside the Python SOP have it being loaded ?

The geometry has red and black color, the points coming in are particles; I only want the particles to intersect with the parts of the geometry which are red. The parameter is to control if I want some particles to bleed into the black areas of the geometry. Although neither is working, the particles are intersecting with both the black and red parts of the geometry ? As well, I want to open the point clouds based on the dot product of the particle normal and the surface normal, I'm assuming I should use the UVW of the intersect for the position and the primitive of the intersect as the maxpoints, which I can then control the radius of how many points I want to open ?

I understand what it's doing internally Thanks

It appears to me height fields are just VDB, how can I construct my own height field using VDB's ?

I said I got it working. Thanks for the help.

I have it figured out; I was using paint differently.

Using an expression; that is the only way I know how ?