2011

Table Of Contents
Modify Splines . . . . . . . . . . . . . . . . . . . . . . . . . . . 359
Modify Helixes . . . . . . . . . . . . . . . . . . . . . . . . . . . 363
Modify Multilines . . . . . . . . . . . . . . . . . . . . . . . . . 364
Chapter 19
Add Constraints to Geometry . . . . . . . . . . . . . . . . . . 367
Overview of Constraints . . . . . . . . . . . . . . . . . . . . . . . . . 367
Constrain Objects Geometrically . . . . . . . . . . . . . . . . . . . . 371
Overview of Geometric Constraints . . . . . . . . . . . . . . . . 371
Apply or Remove Geometric Constraints . . . . . . . . . . . . . 373
Display and Verify Geometric Constraints . . . . . . . . . . . . 379
Modify Objects with Geometric Constraints Applied . . . . . . . 381
Infer Geometric Constraints . . . . . . . . . . . . . . . . . . . . 384
Constrain Distances and Angles between Objects . . . . . . . . . . . . 386
Overview of Dimensional Constraints . . . . . . . . . . . . . . 386
Apply Dimensional Constraints . . . . . . . . . . . . . . . . . . 389
Control the Display of Dimensional Constraints . . . . . . . . . 394
Modify Objects with Dimensional Constraints Applied . . . . . 395
Constrain a Design with Formulas and Equations . . . . . . . . . . . 398
Overview of Formulas and Equations . . . . . . . . . . . . . . . 398
Control Geometry with Parameters . . . . . . . . . . . . . . . . 399
Define and Reference Blocks . . . . . . . . . . . . . . . 403
Chapter 20 Work with Blocks . . . . . . . . . . . . . . . . . . . . . . . . . 405
Overview of Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405
Insert Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407
Work with Dynamic Blocks in Drawings . . . . . . . . . . . . . . . . 409
Overview of Dynamic Blocks . . . . . . . . . . . . . . . . . . . 409
Remove Block Definitions . . . . . . . . . . . . . . . . . . . . . . . . 411
Chapter 21
Create and Modify Blocks . . . . . . . . . . . . . . . . . . . . 413
Define Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413
Create Blocks Within a Drawing . . . . . . . . . . . . . . . . . . 413
Create Drawing Files for Use as Blocks . . . . . . . . . . . . . . 414
Control the Color and Linetype Properties in Blocks . . . . . . . 416
Nest Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418
Create Block Libraries . . . . . . . . . . . . . . . . . . . . . . . 419
Attach Data to Blocks (Block Attributes) . . . . . . . . . . . . . . . . . 420
Overview of Block Attributes . . . . . . . . . . . . . . . . . . . 420
Define Block Attributes . . . . . . . . . . . . . . . . . . . . . . 423
Extract Data from Block Attributes . . . . . . . . . . . . . . . . 425
Extract Block Attribute Data (Advanced) . . . . . . . . . . . . . 426
Modify Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431
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