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Chico APCG 330 - Surfacing and Texture Tutorial

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Andy RaderSurfacing and Texture TutorialAPCG 33004-16-2007Andy Rader – Tutorial – APCG330The BasicsQuick Surfacing with PresetsUsing Texture FilesUV TexturingNote: This tutorial works with LW 6.5. Locations of your menu options may have changed with newer versions of the application.The BasicsNaming Surfaces for an Entire ObjectYour Selected ObjectNaming the Polygon SurfacesAndy Rader – Tutorial – APCG3301. Choose the bottom “Polygons” tab.2. Right-click and select entire object.3. Press “q” to display naming window.The BasicsFinding the MenuYour ObjectSurface Editor OptionsAndy Rader – Tutorial – APCG330Editor Menu LocationPreset SurfacesNote: It’s nice to see your object while you are applying textures to get a rough a idea of the results. Move your windows to set up an easy to view workspace.Surfacing with PresetsChanging the SurfaceYour ObjectChosen PresetAndy Rader – Tutorial – APCG3301. Select the “SurfaceName” you want.2. Look around the presets.3. Double-click the preset you want.4. Make small adjustments to the preset as needed (Such as color).Color ChoiceFinal Render for Part OneAndy Rader – Tutorial – APCG3301. Add your object into the scene and render.2. Your entire object will display the same surface.Notes: If you see facets on the surface, return to the surface editor in the object and make sure ‘Smoothing’ is selected.If you see faceted edges of the object, the surface isn’t giving you trouble. You need to look into rebuilding the object with more polygons or choosing something such as ‘SubPatch.’Try setting up a test rendering scene. Use two or three lights and set up the camera so the object is centered. When you have a new object and you want to check the textures, just add it to the scene. Do a few renders to see all sides of the object.Surfacing with PresetsNaming Surfaces for Specific PolygonsSelected Polygons Naming the Polygon SurfacesAndy Rader – Tutorial – APCG3301. Choose the bottom polygon tab.2. Left-click to select polygons you want.3. Press “q” to display naming window.4. Create name for the selected polygons.5. Repeat selection process until done.Note: When you want to select polygons, the left-click will get you started. If you release the mouse, hold down the ‘shift’ key and click to add more. Use the ‘control’ key and click to remove some of the polygons you selected.Surfacing with PresetsChanging SurfacesAndy Rader – Tutorial – APCG3301. Select the first “Surface Name” you want.2. Look around the presets.3. Double-click the preset you want.4. Make small adjustments to the preset as needed (Such as color).5. Repeat selection process until done.Your ObjectChosen PresetColor ChoiceSurfacing with PresetsNote: Make sure you are changing the correct Surface Name. It is easy to start work on the wrong surface.Final Render for Part TwoAndy Rader – Tutorial – APCG3301. Add your object into the scene and render.2. Your entire object will display the multiple surfaces.3. Go back to the Modeler and adjust your surfaces if needed.Notes: Now you have one object that appears to have a special texture. You achieved this illusion by creative selection of polygons.Because you used presets, no textures will need to be imported when LW reopens the scene. You also don’t have to worry about keeping image files with your scene.* You may have chosen a preset that has a texture file attached to it. Be careful if you used one of the wood, or ray traced metals. If you want to change one of the surfaces, you need to do it in the Modeler. Surface and texture changes can be lost if you do them in the scene.Surfacing with PresetsVariations for Part TwoAndy Rader – Tutorial – APCG330Notes: You will learn that textures don’t always move when you move or adjust your object. Using this polygon method, your surfaces remain constant as you manipulate your object.More complicated patterns might be easier to accomplish with Photoshop. You are limited to the geometry of the object when selecting polygons.Surfacing with PresetsUsing Texture FilesStart with a Graphic FileAndy Rader – Tutorial – APCG330If you want your object to have a non-preset texture, you will have to find or make a texture as a graphics file.1. Create an image file in Photoshop or another program.2. Save it out in a generic format such as JPG,TIFF,TGA.3. Keep your filenames descriptive of the texture.Notes: You should save your graphics files at high resolutions. Lower resolution files don’t look good when they are rendered.While there are fancy ways to create environments, simple backgrounds can be created by texturing the side of a box.Getting the TextureAndy Rader – Tutorial – APCG330Your ObjectChosen PresetAdd a Texture1. Select the polygons or object you want to surface and assign a name.2. Go into the ‘Surface Editor’ and find the correct name.3. If you want a look (like a shiny ball) start by choosing a preset.4. Look for the ‘T’ next to ‘Color’ and click it.Using Texture FilesYour First ImportAndy Rader – Tutorial – APCG330Don’t Panic if You See ThisImport Graphics File1. Choose your file from the image menu.2. When you import the file, it will probably look pretty bad.3. Your first step should be to select ‘Automatic Sizing and see how the display changes.Automatic SizingUsing Texture FilesManipulating the TextureAndy Rader – Tutorial – APCG3301. After Selecting ‘Automatic Sizing’, things should look a bit better.2. Even if you don’t have to, play with the other options in the window to see what happens.3. Once you are happy with the display of the texture, select ‘Use Texture’Automatic SizingAxis for projecting your image.There are different projectionsfor different shapes.You can make simple adjustmentsif you want the texture off-center.Note: Be careful if you set up great texturing and then want to move your object. The texturing will not always move with the object, it is based on grid coordinates.Using Texture FilesManipulating the Texture - ExamplesAndy Rader – Tutorial – APCG330Projection OptionsPlanar CylindricalCubicSphericalNotes: When you choose setting, always look at all the sides of your object. You may get repeating textures that you weren’t expecting (See Spherical).The more you stretch an object, the more likely it will render in an unnatural way.Using Texture FilesFinal Render for Part ThreeAndy Rader – Tutorial – APCG3301. Add your object into the


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