I. INTRODUCTION
Modelling plant structure is a challenge both in computer
graphics and agronomic research, rooted in the complexity of
plant morphology and its underlying physiological processes.
Many methods have been proposed for the purpose of creating
plant architecture faithful both to its external morphology and
internal physiological processes, including the pioneering work
L-systems by Lindenmayer and later by Prusinkiewicz[1],
reference axis technique[2], dual-scale automation model[3]
and GreenLab model [4]. However, due to the highly abstract
of plant structure, significant skilled user is expected to create
pleasing 3D plant models by using these methods. In recent
years, with the successful applications of various measure
devices in industry, more and more people reproduce virtual
3D plant models from real measured data