Sketch-based Modeling and Animation of Floral Blossom

Abstract

Traditionally, synthesizing the animation of floral blossom is accomplished mostly manually and hence a timeconsuming and laborious task. In this paper we propose an interactive biology-based flower modeling and animating approach. We model the initial shape of the floral components including petal, pistil, stamen and pedicel, and two terminal status of floral blossom with a parameterized sketching interface. The subtle geometry of the whole flower is created according to the phyllotactic rules. We then extract a set of growth parameters for describing the floral blossom, and build a dynamic growth model to regulate the continuous morphing of floral components in the process of blossom. Finally, a sequence of naturally deforming flower models is generated with these parameters. Our initial experimental results demonstrate that our approach can efficiently generate visually pleasing simulation of floral blossom, which is consistent with biological rules.978 -1-4244-1579-3/07/$25.00

Simulation and visualization of spraying droplets behavior and deposition within virtual rice canopy

“…Rice leaves will deform under the action of the fog scene, which will affect the real deposition of fog droplets. This section combines the previous research on leaf deformation under wind field [19] and extends it to the effect of fog scene on rice leaf deformation in this study.…”

“…Song et al [19] considered that there is an attractive force H between two droplets. When the attractive force is greater than the friction force, the two droplets will move towards each other, merge into a large droplet and flow: where, d is the center distance of droplets, and r 1 and r 2 are the radii of droplets respectively.…”