This video is a high quality training video from The Guerrilla CG Project ( guerrillacg.org ) a non for profit organisation dedicated to teaching the fundamentals of computer graphics.

Hierarchies are used to link the translation rotation and scale of objects to each other. They are super handy for organising scenes and grouping objects together.

Author: Andrew Silke
guerrillacg.org/index.php/presenters/andrew-silke

For more information about Computer Graphics and higher quality videos visit The Guerrilla CG Project guerrillacg.org.