Blender灯光基础..doc

Introduction to Color Theory and Lighting Basics in Blender 介绍色彩原理和Blender的灯光基础 Before we can recreate realistic lighting in any 3D application, we must frst understand how color and light relate to each other and the world around them. The term realistic lighting doesnt just apply to natural light given off by the sun or moon—it also includes light given off by artifcial sources including forescent lights, halogen lights, incandescent lights, and many other types of lights that are found in the world around us. Its important to understand not only how, but also why certain light sources behave as they do, so we can effectively apply the right lighting techniques to our 3D scenes. 在我们用任何的3D应用程序创建真实的灯光之前，我们都首先必须明白颜色和灯光是怎么和它们周围的世界相互作用的。 “真实灯光”这个专业术语不仅仅指太阳和月亮的自然光，它也包括许多人造光源如荧光灯，卤光灯，白炽灯和许多在我们世界周围的其它类型的灯光。它是很重要的不仅仅要理解灯光是怎么工作的，还要理解它们的运转原理，这样我们就可以有效的在3D场景中应用正确的灯光技术。 To understand how light works, were going to take a look at: 要理解灯光是怎么工作的，我们将看看如下的内容： ? Basic color theory and color relationships 颜色的基本原理和颜色的关系 ? Color temperature 色温 ? Various light sources 各种各样的光源 ? Chromatic adaptation 色彩适应 ? Lamp types in Blender Blender中的灯光类型 ? Components of a basic light rig 一个基本的灯光装置组件 ? Various light rigs and their implementation in Blender Blender各种灯光和启用 ? How Blender deals with shadows Blender如何处理阴影 Basic color theory色彩的基本原理 To fully understand how light works, we need to have a basic understanding of what color is and how different colors interact with each other. The study of this phenomenon is known as color theory. 要完全理解灯光是怎么工作的，我们需要对颜色有一个基本的理解和不同的颜色是怎么样相互作用的。这一现象的研究被称为色彩理论。 What is color? 颜色是什么 When light comes in contact with an object, the object absorbs a certain amount of that light. The rest is refected into the eye of the viewer in the form of color. The easiest way to visualize colors and their relations is in the form of a color wheel. 当光和物体接触时，物体吸收了一定数量波长的光，结果是其它剩余的光反射到观测者的眼中构成物体的颜色。最简单的就是使用色轮来构成形象化颜色和它们的关系。 Primary colors原色 There are millio