And it is noticed that the GBR can make precise model, and the IBR can render in high speed for large scale environment with satisfiable realism.

• 本文详细介绍了基于图形渲染与基于图像渲染两种方法的发展与现状，指出图形的优势在于精确建模，而图像的长处是大面积、快速和真实感强的渲染，在此基础上确定了两者相结合并尽量简化的技术路线。