Page 551 - Kitab3DsMax
P. 551

Chapter 17: Adding Material Details with Maps




                     Texture    Technique        Create in Photoshop                 Apply in Max as
                                Brushed metal    Apply the Add Noise filter (Filter ➪ Noise ➪ Add   Diffuse and Bump maps
                                                 Noise), followed by the Angled Strokes filter
                                                 (Filter ➪ Brush Strokes ➪ Angled Strokes).

                                Frosted glass    Apply the Clouds filter (Filter ➪ Render ➪    Diffuse map
                                                 Clouds), and then apply the Glass
                                                 (Filter ➪ Distort ➪ Glass) filter and select the
                                                 Frosted option.
                                Pumice stone     Apply the Add Noise filter (Filter ➪ Noise ➪ Add   Diffuse and Bump maps
                                                 Noise), followed by the Chalk & Charcoal filter
                                                 (Filter ➪ Sketch ➪ Chalk & Charcoal).

                                Planet islands   Apply the Difference Clouds filter   Diffuse and Shininess maps
                                                 (Filter ➪ Render ➪ Difference Clouds), and then
                                                 apply the Note Paper (Filter ➪ Sketch ➪ Note
                                                 Paper) filter.
                                Netting          Apply the Mosaic Tiles filter       Diffuse and Opacity maps
                                                 (Filter ➪ Texture ➪ Mosaic Tiles), followed by
                                                 the Stamp (Filter ➪ Sketch ➪ Stamp) filter.

                                Leopard skin     Apply the Grain filter (Filter ➪ Texture ➪ Grain)   Diffuse and Opacity maps
                                                 with the Clumped option, followed by the Poster
                                                 Edges (Filter ➪ Artistic ➪ Poster Edges) filter
                                                 applied twice.


                           Capturing digital images
                           Digital cameras and camcorders are inexpensive enough that they really are necessary items when creating
                           material textures. Although Photoshop can be used to create many unique and interesting textures, a digital
                           image of riverbed stones is much more realistic than anything that can be created with Photoshop. The
                           world is full of interesting textures that can be used when creating images.

                           Avoiding specular highlights
                           Nothing can ruin a good texture taken with a digital camera faster than the camera’s flash. Taking a picture of
                           a highly reflective surface like the surface of a table can reflect back to the camera, thereby ruining the texture.
                           You can counter this several ways. One technique is to block the flash and make sure that you have enough
                           ambient light to capture the texture. Taking pictures outside can help with this because they don’t need the
                           flash. Another technique is to take the image at an angle, but this might skew the texture. A third technique
                           is to take the image and then crop away the unwanted highlights.

                   Tip
                   The best time to take outdoor photos that are to be used for materials is on an overcast day. This eliminates the
                   direct shadows from the sun, which are very difficult to remove. It also makes the light gradient across the surface
                   much cleaner for tiling the photo. n



                                                                                                     503





                                                                                                         6/30/10   4:25 PM
           25_617779-ch17.indd   503
           25_617779-ch17.indd   503                                                                     6/30/10   4:25 PM
   546   547   548   549   550   551   552   553   554   555   556