数字地球上基于GPU的海水渲染方法

A Seawater Rendering Method of Digital Earth Based on GPU

该文在工程基础上基于数字地球对大规模海面场景的绘制进行深入研究并应用。在光学建模方面,该文通过基于GUP像素渲染器进行光学模型计算,解决了顶点渲染器中进行计算时渲染效果在不同分辨率不能平滑过渡的问题。同时,利用光学原理,提出了将多种光学效果进行综合的公式,表现出水面的各种光学现象,使得水面与周围环境和光线之间产生实时互动的光学特征,大大提高了海面光学效果的真实感。

In this paper,the rendering of large-scale sea surface scene based on digital earth is studied and applied.In terms of optical modeling,this paper solves the problem that the rendering effect cannot transition smoothly at different resolutions when the vertefator is calculated by using the optical model calculation based on the GPU pixel renderer.At the same time,using the optical principle,a formula for combining various optical effects is proposed,which shows various optical phenomena on the optical characteristics of real-time interaction between the surface of the water and the surrounding environment and light,and greatly improves the realism of the optical effect of the sea surface.