cgSide shows how to make a bunch of grapes in Houdini procedurally while avoiding objects crashing into each other.
This new tutorial from cgside looks into creating a bunch or cluster of grapes in Side FX Houdini in a way that avoids any intersections between the grapes.
More on Object Packing.
There are many ways to create a “packing” situation procedurally. Packing objects or having a system that ensures that things will touch but not intersect is essential to instancing across surfaces.
Pedro Alpiarça discusses some of the issues that might arise with some of the conventional methods for packing non-intersecting spheres. Visit that tutorial here.