AutoCAD and Its Applications—Comprehensive 2020, 27th Edition Page 446 (1518 of 1650)

Copyright Goodheart-Willcox Co., Inc. 446 AutoCAD and Its Applications—Advanced A material can also be removed using the Properties palette. To remove a material from an object or subobject, simply change its Material property in the 3D Visualization category to Global. If a material has not been assigned to the object’s layer, the property can also be set to ByLayer. See Figure 17-5. PROFESSIONAL TIP PROFESSIONAL TIP A material can also be applied to an object by selecting the object in the drawing window, right-clicking on the material swatch in the materials browser, and selecting Assign to Selection. A material can be loaded into the drawing without attaching it to an object by picking the material and dragging and dropping it into a blank area of the drawing. This makes the material available in the drawing. Exercise 17-2 www.g-wlearning.com/CAD/ Complete the exercise on the companion website. Material Display Options Material Display Options As you learned in the previous chapter, visual styles control how materials are displayed in the viewport. The Material display property of a visual style can be set to display materials and textures, materials only, or neither materials nor textures. The Materials panel on the Visualize tab of the ribbon has three buttons in a fl yout that correspond to, but override, this property setting: • Materials/Textures Off. Objects are displayed in their assigned colors. • Materials On/Textures Off. Objects are displayed in the basic color of the mate- rial, but no other material details are displayed. • Materials/Textures On. Objects are displayed with the effects of all material properties visible. Exercise 17-3 www.g-wlearning.com/CAD/ Complete the exercise on the companion website. Materials Editor Materials Editor The materials editor allows you to create new materials and edit existing mate- rials to your liking. The next sections discuss creating and editing materials. VSMATERIALMODE Ribbon Visualize Materials Materials/Textures Off Materials On/ Textures Off Materials/Textures On Type VSMATERIALMODE Material assigned Material removed A B Figure 17-5. Removing a material from an object. A—The material is assigned. B—The material is removed.

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Copyright Goodheart-Willcox Co., Inc. 446 AutoCAD and Its Applications—Advanced A material can also be removed using the Properties palette. To remove a material from an object or subobject, simply change its Material property in the 3D Visualization category to Global. If a material has not been assigned to the object’s layer, the property can also be set to ByLayer. See Figure 17-5. PROFESSIONAL TIP PROFESSIONAL TIP A material can also be applied to an object by selecting the object in the drawing window, right-clicking on the material swatch in the materials browser, and selecting Assign to Selection. A material can be loaded into the drawing without attaching it to an object by picking the material and dragging and dropping it into a blank area of the drawing. This makes the material available in the drawing. Exercise 17-2 www.g-wlearning.com/CAD/ Complete the exercise on the companion website. Material Display Options Material Display Options As you learned in the previous chapter, visual styles control how materials are displayed in the viewport. The Material display property of a visual style can be set to display materials and textures, materials only, or neither materials nor textures. The Materials panel on the Visualize tab of the ribbon has three buttons in a fl yout that correspond to, but override, this property setting: • Materials/Textures Off. Objects are displayed in their assigned colors. • Materials On/Textures Off. Objects are displayed in the basic color of the mate- rial, but no other material details are displayed. • Materials/Textures On. Objects are displayed with the effects of all material properties visible. Exercise 17-3 www.g-wlearning.com/CAD/ Complete the exercise on the companion website. Materials Editor Materials Editor The materials editor allows you to create new materials and edit existing mate- rials to your liking. The next sections discuss creating and editing materials. VSMATERIALMODE Ribbon Visualize Materials Materials/Textures Off Materials On/ Textures Off Materials/Textures On Type VSMATERIALMODE Material assigned Material removed A B Figure 17-5. Removing a material from an object. A—The material is assigned. B—The material is removed.

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Copyright Goodheart-Willcox Co., Inc. Chapter 17 Materials in AutoCAD 447 The Materials Editor palette is displayed by picking the dialog box launcher button at the lower-right corner of the Materials panel in the Visualize tab of the ribbon. See Figure 17-6. You can also type the MATEDITOROPEN command, double-click on a material swatch in the materials browser, or pick the Opens/Closes material editor button in the lower-right corner of the browser. In addition, you can hover over a material swatch in the Document Materials area to display a small pencil icon. Picking this icon opens the materials editor. A preview of the material appears at the top of the materials editor. Picking the drop-down menu button at the lower-right corner of the material swatch displays three menus. The options in these menus allow you to change the geometry, type of lighting, and quality used for the preview. The Scene menu provides 13 shapes from which to select: Sphere, Cube, Cylinder, Canvas, Plane, Object, Vase, Draped Fabric, Glass Curtain Wall, Walls, Pool of Liquid, Utility, and Torus. The Environment menu provides four basic lighting options that allow you to preview a material in a setting similar to where you may be using it. The Grid Light option simulates overhead neutral-color lighting that you might fi nd in an offi ce environment. The Plaza option simulates an outdoor lighting environment with a bluish tint and strong shadows. The Snowfield option produces soft, even light that appears to be coming from everywhere. The Warm Light option produces a yellowish cast similar to incandescent indoor lighting. The options in the Render Settings menu set the quality of the preview image. The Quick option provides a good quality preview, but the environment settings are poorly shown. The Draft option displays the environment nicely and will take a few seconds to update (depending on material complexity and computer speed). The Production option provides the highest quality, but the resulting display may take a few minutes to update. The updates occur whenever you change a material property. MATEDITOROPEN Type MATEDITOROPEN Figure 17-6. The materials editor. A—A preview of the material appears at the top of the palette. Picking the drop-down menu button at the lower-left corner of the palette displays the drop-down menu shown in B. B—This drop-down menu provides options for creating a new material. A B Pick to copy current material Pick to display preview menus Preview menus Pick to create a new material based on type Pick to create a new material based on generic type Pick to open materials browser Pick to access drop-down menu (see expanded menu at right)

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Copyright Goodheart-Willcox Co., Inc. Chapter 17 Materials in AutoCAD 445 Exercise 17-1 www.g-wlearning.com/CAD/ Complete the exercise on the companion website. Applying and Removing Materials Applying and Removing Materials To attach a material to an object in the drawing, you can drag the material from the materials browser and drop it onto an object. To apply a material only to a face on an object, hold the [Ctrl] key and pick the face. To apply a different material to an object, simply drag the new material to the object and pick. You can use the MATERIALATTACH command to assign materials to the layers in your drawing. Once a material is assigned to a layer, any object on that layer is displayed in the material, as long as the object’s material property is set to ByLayer. When objects are created in AutoCAD, the default “material” assigned to them is ByLayer. If your objects are organized on layers, this is the easiest way to attach mate- rials. You can override the layer material by applying a material to individual objects. Figure 17-4 shows the Material Attachment Options dialog box displayed by the MATERIALATTACH command. The list on the left side of the dialog box shows the materials loaded into the drawing. The right side of the dialog box shows the layers in the drawing and the material attached to each layer. When no material is attached to a layer, the material is listed as Global. The Global material is a “blank” material in every drawing. To attach a material to a layer, drag the material from the list on the left and drop it onto the layer name on the right. To remove a material from a layer, pick the X button next to the material name on the right side of the dialog box. The Remove Materials button on the Materials panel in the Visualize tab of the ribbon allows you to quickly set an object’s material back to ByLayer. When the button is picked, a paintbrush selection cursor is displayed. If you select an object that has a material specifi cally attached to it, the material is removed. Selecting an object already set to ByLayer has no effect. MATERIALATTACH Ribbon Visualize Materials Attach By Layer Type MATERIALATTACH Remove Materials Ribbon Visualize Materials Remove Materials Materials in the drawing Layers in drawing Pick to remove the material from the layer Material assigned to the layer Figure 17-4. Attaching materials to layers.

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