2012
Table Of Contents
- Contents
- Get Information
- The User Interface
- Start and Save Drawings
- Control the Drawing Views
- Organize Drawings and Layouts
- Create and Modify Objects
- Control the Properties of Objects
- Use Precision Tools
- Work with the User Coordinate System (UCS)
- Enter Coordinates to Specify Points
- Use Dynamic Input
- Snap to Locations on Objects (Object Snaps)
- Restrict Cursor Movement
- Combine or Offset Points and Coordinates
- Specify Distances
- Extract Geometric Information from Objects
- Use a Calculator
- Create Objects
- Select and Modify Objects
- Select Objects
- Correct Mistakes
- Erase Objects
- Cut, Copy, and Paste with the Clipboard
- Modify Objects
- Add Constraints to Geometry
- Define and Reference Blocks
- Work with 3D Models
- Create 3D Models
- Overview of 3D Modeling
- Create Solids and Surfaces from Lines and Curves
- Create Solids
- Create Surfaces
- Create Meshes
- Create Wireframe Models
- Add 3D Thickness to Objects
- Modify 3D Models
- Create Sections and Drawings from 3D Models
- Create 3D Models
- Annotate Drawings
- Work with Annotations
- Overview of Annotations
- Scale Annotations
- Overview of Scaling Annotations
- Set Annotation Scale
- Create Annotative Objects
- Display Annotative Objects
- Add and Modify Scale Representations
- Set Orientation for Annotations
- Hatches, Fills, and Wipeouts
- Notes and Labels
- Tables
- Dimensions and Tolerances
- Understand Basic Concepts of Dimensioning
- Use Dimension Styles
- Set the Scale for Dimensions
- Create Dimensions
- Modify Existing Dimensions
- Add Geometric Tolerances
- Work with Annotations
- Plot and Publish Drawings
- Specify Settings for Plotting
- Save Plot Settings as Named Page Setups
- Reuse Named Page Setups
- Specify Page Setup Settings
- Select a Printer or Plotter for a Layout
- Select a Paper Size for a Layout
- Determine the Drawing Orientation of a Layout
- Set the Plot Area of a Layout
- Adjust the Plot Offset of a Layout
- Set the Plot Scale for a Layout
- Set the Lineweight Scale for a Layout
- Select a Plot Style Table for a Layout
- Set Shaded Viewport and Plot Options for a Layout
- Print or Plot Drawings
- Overview of Plotting
- Use a Page Setup to Specify Plot Settings
- Select a Printer or Plotter
- Specify the Area to Plot
- Set Paper Size
- Position the Drawing on the Paper
- Control How Objects Are Plotted
- Preview a Plot
- Plot Files to Other Formats
- Publish Drawings
- Specify Settings for Plotting
- Share Data Between Files
- Reference Other Drawing Files
- Work with Data in Other Formats
- Collaborate with Others
- Render Drawings
- Draw 2D Isometric Views
- Add Lighting to Your Model
- Materials and Textures
- Render 3D Objects for Realism
- Glossary
- Index
You can use a command to create a light, or you can use a button on the
Lights toolbar or the Lights panel on the ribbon. You can use the Properties
Inspector palette to change the color of a selected light or other properties.
You can also store a light and its properties on a tool palette and use it again
in the same drawing or another drawing.
Guidelines for Lighting
The guidelines for lighting used by photographers, filmmakers, and stage
designers can help you set up the lighting for scenes.
Your choice of lighting depends on whether your scene simulates natural or
artificial illumination. Naturally lit scenes, such as daylight or moonlight, get
their most important illumination from a single light source. Artificially lit
scenes, on the other hand, often have multiple light sources of similar
intensity.
Natural Light
For practical purposes at ground level, sunlight has parallel rays coming from
a single direction. The direction and angle vary depending on the time of day,
the latitude, and the season.
In clear weather, the color of sunlight is a pale yellow: for example, RGB values
of 250, 255, 175 (HSV 45, 80, 255). Cloudy weather can tint sunlight blue,
shading into dark gray for stormy weather. Particles in the air can give sunlight
an orange or brownish tint. At sunrise and sunset, the color can be more
orange or red than yellow.
Shadows are more distinct the clearer the day is, and can be essential for
bringing out the three-dimensionality of a naturally lit scene.
A directional light can also simulate moonlight, which is white but dim
compared to the sun.
Artificial Light
A scene illuminated by point lights, spotlights, or distant lights is artificially
illuminated. Therefore, it can be helpful to know how light behaves.
When light rays strike a surface, the surface reflects them, or at least some of
them, enabling us to see the surface. The appearance of a surface depends on
the light that strikes it combined with the properties of the surface material,
such as color, smoothness, and opacity.
Add Lighting to Your Model | 781