tailieunhanh - LightWave 3D 8 Texturing phần 2

Ngoài ra, bạn có thể sử dụng thanh trượt điều chỉnh màu sắc của riêng LightWave Editor ảnh để thay đổi màu sắc trong hình ảnh. Xem Chương 12 để biết thêm thông tin về việc sử dụng các công cụ chỉnh sửa ảnh LightWave Editor. Đôi khi bạn có thể thấy rằng bạn cũng sẽ cần phải thực hiện | Surface Attributes The Surface Editor Figure 4-7 Alternatively you can use Lightwave s own hue adjustment slider on the Image Editor to make hue changes in images. See Chapter 12 for more information on using the editing tools in Lightwave s Image Editor. Sometimes you may find that you will also need to make slight hue adjustments to your textures if you are working with a scene that has strongly colored lighting. In that case you would simply adjust the hues of your textures accordingly. Figure 4-8 Saturation The saturation of an image is the amount of color that each pixel contains and the intensity of that color. If you remove all the saturation from an image it becomes grayscale. Using saturation correctly is important because oversaturation of textures is a very common problem especially among beginners and looks really nasty. The following image shows an example of oversaturation. As you can see this is quite an extreme example but believe it or not this kind of thing happens more often than you might think. Oversaturation can also occur from diffuse levels on your surface in Lightwave being too high but we discuss that matter in the section titled Diffuse in this chapter. There is no foolproof way of ensuring that your images are not oversaturated as it can be quite subjective. However if your textures are looking really blown out try decreasing the color saturation. You can increase or decrease the saturation of images within LightWave s Image Editor see Chapter 12 or within your paint package. Brightness Brightness is easy to understand. We all know the difference between a bright image and a dark image so no in-depth explanation is really necessary here. However I often come across artists images that are either too 35 Chapter 4. Part 2 dark or too light. Sometimes this may be due to lousy lighting in their scenes but often this can be because they have painted their images strangely. The best way to check whether your images are too bright or too dark .