April 2016
Intermediate to advanced
784 pages
18h 25m
English
Content preview from Ray Tracing from the Ground Up
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Chapter 18
Area Lights
Objectives
By the end of this chapter, you should:
- understand how area lights are modeled and rendered;
- have implemented a number of area lights;
- have implemented an environment light.
All real light sources have finite area, and as such, their illumination and soft shadows can add great realism to your images. This is in contrast to the sharp-edged shadows that we get from point and directional lights. The price we have to pay is more sample points per pixel and longer rendering times, but the results are worth it.
I’ll discuss here a flexible lighting architecture that will allow you to use a variety of geometric objects ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.