NPR (Non-Photorealistic Rendering) has become an important branch of graphics rendering. Comparative to Realistic Rendering, NPR is more focused on artistic effect as an artwork or the subjective description of the objective world.

• 非真实感绘制是与传统的真实感绘制相对应的一种图形学绘制技术,非真实感绘制追求的目标是模拟艺术作品的艺术效果,或对客观世界的主观描述与表达。