Assimp Skeletal Animation : Bones associated with a Vertex

Question

I am trying to integrate the Assimp skeletal animation. Following this tutorial for reference.
The change I am trying is to use fixed function pipeline.

Problem: Position, Texture Coordinates and Normal Data is fine, but I cannot figure out how the four bones and the weight data is obtained for each vertex as mentioned in the tutorial.

Answer 1

I think the illustration in the tutorial is quite clear on that: