tailieunhanh - LightWave 3D [8] 1001 Tips & Tricks phần 6

Chỉ có một khoản tiết kiệm nhỏ trong thời gian làm cho khoảng 4% - hơn bằng cách sử dụng hai đèn rim với bóng tối là lựa chọn duy nhất ray tracing. Tuy nhiên, bằng cách sử dụng một kết cấu tỷ lệ gradient góc nhìn tốt hơn cho phim hoạt hình theo phong cách phim hoạt hình bởi vì, | Lighting 297 General Tips 659 Policarpo General Tips Beginner Train Your Eye It helps to train one s eye by studying paintings by the great masters like Caravaggio Vermeer Rembrandt and others. Any book on art history will provide you with ample examples of how painters have learned to depict reality via the play of light and shadow. This is another good reason to use the Google Image Search function to build up your library of reference material. When you find an image that inspires you go about recreating it in 3D so that you come to a better understanding of what it takes to achieve a particular look. Versions All 660 Policarpo General Tips Beginner Test Lights Set up a basic scene and test out the different light types and properties for these lights in LightWave. See what the different falloff modes do to the power and quality of light in your scene. Create a default scene filled with interesting objects that you can reuse during your testing and experimentation process. Versions 6-8 661 Lee Stranahan General Tips All Levels Turn Ambient to Zero Except When Radiosity Is On It s a pretty common hint to turn ambient intensity down. I say turn it to zero period. Why Because it s evil that s why. It s nondirectional additive light that means it makes all your objects slightly brighter. This is useless. It s like a brightness control and it adjusts your black point higher. As I said evil. If you want ambient light toss in a distant light at a low level. Except. when radiosity is turned on ambient intensity becomes a different thing. Now it adjusts the level of radiosity bounce and it s a good thing indeed. In fact it s often useful to crank it up to 20 40 60 levels nobody in their right mind would use with regular ambient light. Versions All 662 Geoffrey Kater General Tips Beginner Ambient Intensity Set Ambient Intensity to 0 in the Global Illumination panel. Use a distant light or spotlight to create more realistic reflected light. You can open it by clicking the