2011
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
- Use Coordinates and Coordinate Systems (UCS)
- 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
- Draw Geometric Objects
- Change Existing Objects
- Select Objects
- Correct Mistakes
- Erase Objects
- Cut, Copy, and Paste with the Clipboard
- Modify Objects
- Modify Complex 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 2D Drawings from 3D Models
- Create 3D Models
- Annotate Drawings
- Work with 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
- 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
- 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
DYNCONSTRAINTMODE
Displays hidden dimensional constraints when constrained objects are
selected.
PARAMETERCOPYMODE
Controls how constraints and referenced user parameters are handled when
constrained objects are copied between drawings, Model space and layouts,
and block definitions.
Constrain a Design with Formulas and Equations
You can control geometry using mathematical expressions that include the
names of dimensional constraints, user variables, and functions.
Overview of Formulas and Equations
Formulas and equations can be represented either as expressions within
dimensional constraint parameters or by defining user variables. For example,
the following illustration represents a design that constrains a circle to the
center of the rectangle with an area equal to that of the rectangle.
The Length and Width dimensional constraint parameters are set to constants.
The d1 and d2 constraints are simple expressions that reference the Length
and Width. The Radius dimensional constraint parameter is set to an expression
that includes the square root function, parentheses to determine the
precedence of operations, the Area user variable, the division operator, and
the constant, PI.
As you can see, part of the equation for determining the area of the circle is
included in the Radius dimensional constraint parameter and part was defined
as a user variable. Alternatively, the entire expression, sqrt (Length * Width /
398 | Chapter 19 Add Constraints to Geometry