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Contents

Acknowledgments ix Foreword xxxi Introduction xxxiii Part I: Introducing AutoCAD and AutoCAD LT Basics 1 Quick Start: Drawing a Window 3 Summary 13 Chapter 1: Starting to Draw 15 Exploring AutoCAD's Advantages 15 Comparing AutoCAD and AutoCAD LT 16 Starting AutoCAD and AutoCAD LT 16 Creating a New Drawing 17 Using the AutoCAD and AutoCAD LT Interface 17 Exploring the drawing area 19 Exploring the ribbon and Quick Access Toolbar 20 Using the Application menu 20 Using the command line and dynamic input tooltip 21 Exploring the status bar 22 Creating a New Folder 22 Using the Interface 23 Saving a Drawing 25 Closing a Drawing and Exiting from AutoCAD and AutoCAD LT 26 Summary 27 Chapter 2: Opening a Drawing 29 Creating a New Drawing from a Template 29 Working with Templates 31 Creating your own templates 31 Creating a Drawing with Default Settings 32 Opening an Existing Drawing 32 Switching among open drawings 33 Saving a Drawing under a New Name 33 Summary 33 Chapter 3: Using Commands 35 Understanding the AutoCAD and AutoCAD LT Interface 35 Working with the ribbon 36 Displaying and using menus 37 Using shortcut menus 37 Working with dialog boxes 37 Using the Quick Access Toolbar 38 Managing palettes 38 Using the Tool Palettes window 38 Using the Command Line and Dynamic Input 39 Entering commands with Dynamic Input 40 Understanding command names 40 Responding to commands 42 Repeating commands 44 Using recent input 45 Canceling commands 45 Undoing a command 46 Redoing a command 47 Using one command within another command 48 Using Mice and Pucks 48 Getting Help 49 Getting help on a command 50 Using the main Help system 51 Summary 52 Chapter 4: Specifying Coordinates 53 Understanding the X,Y Coordinate System 53 Drawing units 54 Typing coordinates 54 Using the Dynamic Input tooltip to enter coordinates 54 Working with absolute Cartesian coordinates 59 Working with relative Cartesian coordinates 60 Using polar coordinates 61 Using direct distance entry 63 Working in orthogonal mode 64 Working with polar tracking 64 Displaying Coordinates 68 Picking Coordinates on the Screen 69 Using snap settings 69 Using object snaps 74 Running object snaps and Object Snap mode 78 Overriding Coordinate Settings 79 Locating Points 82 Using object snap tracking 82 Using the temporary tracking feature 86 Finding points with point filters 87 Finding offset points with the From feature 87 Summary 89 Chapter 5: Setting Up a Drawing 91 Choosing Unit Types 91 Setting the drawing units 92 Setting the angle type 92 Setting the angle measure and direction 94 Drawing Limits 95 Understanding Scales 96 Working with scale formats 97 Using annotative scales 98 Customizing the scale list 100 Deciding on a scale and sheet size 102 Creating a Titleblock 102 Specifying Common Setup Options 103 Summary 106 Part II: Drawing in Two Dimensions 107 Chapter 6: Drawing Simple Lines 109 Using the LINE Command 109 Drawing Rectangles 111 Drawing Polygons 111 Creating Construction Lines 114 Creating Rays 115 Summary 117 Chapter 7: Drawing Curves and Points 119 Drawing Circles 119 Understanding the circle options 119 Creating circles 120 Drawing Arcs 122 Understanding arc options 123 Creating arcs 124 Creating Ellipses and Elliptical Arcs 127 Understanding ellipse options 127 Understanding elliptical arc options 127 Drawing ellipses and elliptical arcs 128 Making Donuts 130 Understanding DONUT options 130 Drawing donuts 131 Placing Points 131 Changing the point style 131 Creating points 132 Summary 134 Chapter 8: Viewing Your Drawing 135 Regenerating and Redrawing the Display 135 Panning 136 Using the ZOOM Command 136 Understanding ZOOM options 137 Using ZOOM Dynamic 138 Using the SteeringWheels 141 Creating Named Views 143 Saving a view 143 Displaying a view 147 Managing named views 147 Creating animated presentations from named views 147 Using named views to manage a drawing 150 Working with Tiled Viewports 152 Configuring tiled viewports 153 Using tiled viewports 155 Saving and restoring viewport configurations 155 Using Snap Rotation 157 Understanding User Coordinate Systems 159 Understanding UCS options 159 Saving and restoring a custom UCS 160 Controlling the UCS icon 161 Creating Isometric Drawings 163 Understanding isometric planes 164 Drawing in Isometric mode 164 Summary 165 Chapter 9: Editing Your Drawing with Basic Tools 167 Editing a Drawing 167 Understanding object-selection basics 168 Erasing objects 169 Moving objects 170 Copying objects 173 Copying and moving objects from one drawing to another 177 Rotating objects 178 Scaling objects 180 Using the CHANGE command 182 Selecting Objects 184 Selecting objects after choosing a command 184 Cycling through objects 186 Selecting objects before choosing a command 187 Implied windowing 187 Customizing the selection process 190 Summary 192 Chapter 10: Editing Your Drawing with Advanced Tools 193 Copying and Moving Objects 194 Mirroring objects 194 Using the ARRAY command 196 Offsetting objects 203 Aligning objects 205 Resizing commands 209 Trimming objects 209 Extending objects 213 Lengthening and shortening objects 216 Stretching objects 219 Using Construction Commands 222 Breaking objects 222 Joining objects 223 Creating chamfered corners 226 Creating rounded corners 229 Creating a Revision Cloud 231 Hiding Objects with a Wipeout 233 Constraining Objects with Parameters 233 Using geometric constraints 234 Auto-constraining objects 236 Using dimensional constraints 237 Working with the Parameters Manager 239 Double-Clicking to Edit Objects 242 Editing with Grips 242 Stretching with grips 244 Moving with grips 245 Rotating with grips 245 Scaling with grips 245 Mirroring with grips 245 Customizing grips 247 Editing with the Quick Properties Palette and the Properties Palette 248 Using the Quick Properties palette 248 Using the Properties palette 249 Working with object selection in the Properties palette 251 Working with Selection Filters 252 Using Quick Select to select objects 252 Using the FILTER command 254 Naming and editing filters 256 Using filters 256 Working with Groups 257 Creating and modifying groups 257 Using groups 258 Summary 258 Chapter 11: Organizing Drawings with Layers and Object Properties 259 Working with Layers 260 Understanding layers 260 Creating new layers 261 Using layers 269 Using special layer tools 275 Modifying layers 278 Manipulating Object Color, Linetype, Lineweight, and Transparency 283 Changing an object's color 283 Changing the current color 284 Altering an object's linetype 284 Altering the current linetype 285 Changing an object's lineweight 285 Changing the current lineweight 286 Altering an object's transparency 286 Altering the current transparency 286 Working with Linetype Scales 289 Changing linetype spacing by using a different linetype 289 Changing linetype spacing by changing the global linetype scale 289 Altering linetype spacing by changing the object linetype scale 290 Matching Properties 293 Summary 294 Chapter 12: Obtaining Information from Your Drawing 295 Getting Drawing-Level Information 295 Listing the status of your drawing 295 Listing system variables 296 Tracking drawing time 298 Using Object-Level Information 298 Listing objects 299 Finding coordinates 300 Measuring objects 300 Getting information from the Properties palette 303 Getting information from the Quick Properties palette 304 Accessing Drawing Components 305 Using the Content Explorer 305 Finding components with the DesignCenter 307 Purging unused components 310 Dividing and Spacing Objects 312 Dividing objects 312 Measuring objects 313 The AutoCAD Calculator 315 Calculating numbers 316 Using coordinates 318 Using object snaps 318 Using the scientific calculator 319 Converting units 319 Working with QuickCalc variables 320 Using QuickCalc in the Properties palette 321 Summary 323 Chapter 13: Creating Text 325 Creating Single-Line Text 325 Justifying single-line text 326 Setting the height 328 Setting the rotation angle 328 Adding special characters and formatting 329 Editing single-line text 331 Understanding Text Styles 334 Creating a new text style 334 Renaming and deleting text styles 337 Modifying a text style 338 Making a style current or changing a text object's style 338 Importing a text style 339 Creating Multiline Text 339 Using the In-Place Text Editor 339 Creating text for different scales 348 Editing paragraph text 351 Importing text 351 Creating Tables 353 Inserting a table 353 Specifying a table style 355 Adding data to a table 358 Modifying a table 364 Inserting Fields 370 Creating fields 371 Editing and updating fields 373 Managing Text 374 Using Quicktext 374 Using AutoCAD and AutoCAD LT fonts 375 Turning off text layers 375 Using MIRRTEXT 375 Finding Text in Your Drawing 377 Checking Your Spelling 378 Summary 381 Chapter 14: Drawing Dimensions 383 Working with Dimensions 383 Understanding the elements of a dimension 384 Preparing to dimension 385 Drawing Linear Dimensions 386 Specifying the dimensioned object 386 Using dimension options 389 Creating jogged dimension lines 391 Drawing Aligned Dimensions 392 Specifying the dimensioned object 392 Using the options 393 Creating Baseline and Continued Dimensions 394 Drawing baseline dimensions 395 Drawing continued dimensions 396 Dimensioning Arcs and Circles 398 Marking arc and circle centers 398 Dimensioning arc lengths 399 Creating radial dimensions 399 Creating diameter dimensions 400 Dimensioning Angles 401 Creating Ordinate Dimensions 405 Drawing Leaders 407 Creating a multileader 408 Editing multileaders 408 Creating a multileader style 409 Aligning and combining leaders 412 Using Quick Dimension 416 Creating Inspection Dimensions 419 Creating Geometric Tolerances 421 Starting the tolerance frame 421 Inserting the tolerance frame 423 Editing a tolerance frame 423 Editing Dimensions 425 Editing associativity 425 Using the DIMEDIT command 427 Using the DIMTEDIT command 428 Flipping dimension arrows 429 Editing dimension text 430 Using the Properties palette to edit dimensions 430 Changing annotative scales 430 Spacing dimensions equally apart 431 Breaking dimensions 431 Using Quick Dimension to edit dimensions 432 Using grips to edit dimensions 433 Editing objects and dimensions together 434 Summary 436 Chapter 15: Creating Dimension Styles 437 Understanding Dimension Styles 437 Defining a New Dimension Style 439 Managing dimension lines 440 Defining symbols and arrows 442 Managing dimension text 446 Fitting dimensions into tight spaces 450 Defining primary units 456 Defining alternate units 459 Formatting tolerances 461 Changing Dimension Styles 464 Choosing a new current dimension style 464 Creating a variant of a dimension style 464 Modifying a dimension to use a new dimension style 465 Modifying dimension styles 465 Overriding a dimension style 466 Updating dimensions 467 Comparing dimension styles 467 Summary 470 Chapter 16: Drawing Complex Objects 471 Creating and Editing Polylines 471 Using the PLINE command 472 Editing polylines with the PEDIT command 475 Grip editing polylines 477 Editing polylines with the Properties palette or Quick Properties palette 478 Drawing and Editing Splines 480 Understanding splines 480 Creating splines 481 Editing splines 484 Creating Regions 486 Creating Boundaries 488 Creating Hatches 490 Understanding hatch patterns 491 Defining a hatch 491 Determining the hatch boundary 494 Managing islands 497 Dragging and dropping hatch patterns 498 Creating gradient fills 498 Editing hatches 499 Using the SOLID command 502 Creating and Editing Multilines 502 Creating a multiline style 503 Drawing multilines 507 Editing multilines 509 Creating Dlines in AutoCAD LT 511 Using the SKETCH Command 512 Digitizing Drawings with the TABLET Command 514 Summary 516 Chapter 17: Plotting and Printing Your Drawing 517 Preparing a Drawing for Plotting or Printing 517 Doing a draft plot 517 Plotting a drawing from model space 518 Creating a Layout in Paper Space 518 Entering paper space 518 Using the Layout Wizard 519 Laying out a drawing in paper space on your own 521 Annotating a layout 532 Saving a layout template 537 Working with Plot Styles 541 Setting the plot-style mode 541 Creating a plot-style table 542 Attaching a plot-style table to a layout 547 Setting the plot-style property for a layer or object 547 Plotting a Drawing 549 Specifying plot settings 551 Previewing your plot 553 Creating a plot stamp 553 Creating the plot 553 Summary 554 Part III: Working with Data 555 Chapter 18: Working with Blocks 557 Combining Objects into Blocks 557 Understanding base points and insertion points 558 Creating a block 558 Saving blocks as files 562 Replacing an existing file 564 Inserting Blocks and Files into Drawings 565 Using the Insert dialog box 565 Using the DesignCenter 568 Managing Blocks 571 Working with block layers 571 Exploding blocks 574 Using the XPLODE command 575 Redefining a block 577 Editing blocks 577 Creating and Using Dynamic Blocks 579 Understanding action-based parameters 580 Understanding the work flow of dynamic blocks 581 Defining a dynamic block with action-based parameters 582 Inserting and using dynamic blocks 595 Using Windows Features to Copy Data 604 Manipulating objects with the Windows Clipboard 604 Using drag-and-drop 605 Summary 606 Chapter 19: Adding Attributes to Blocks 607 Working with Attributes 607 Creating Attribute Definitions 608 Mode section 609 Attribute section 610 Text Settings section 610 Insertion Point section 610 Creating the Block 611 Inserting blocks with attributes 613 Editing Attributes 614 Editing attribute properties with the BATTMAN command 614 Editing attribute properties with the ATTEDIT command 617 Making global changes in attributes 618 Redefining attributes 619 Extracting a Database from Attributes 622 Summary 628 Chapter 20: Referencing Other Drawings 629 Understanding External References 629 Attaching an external reference 630 Opening an xref 632 Using the External References palette 632 Editing an Xref within Your Drawing 636 Choosing the xref or block to edit 636 Editing the xref 637 Controlling Xref Display 640 Working with dependent symbols in xrefs 640 Avoiding circular references 641 Clipping xrefs 641 Speeding up the display of large xrefs 643 Managing Xrefs 647 Getting xref notification 649 Using DesignCenter to Attach a Drawing 650 Attaching Xrefs and Drawings from the Content Explorer 650 Creating an xref log file 650 Working with DWF, DGN, and PDF Underlays 651 Attaching a DWF underlay 651 Attaching a DGN underlay 652 Attaching a PDF underlay 652 Modifying an underlay 652 Summary 655 Part IV: Drawing in Three Dimensions 657 Chapter 21: Specifying 3D Coordinates 659 Working in a 3D Environment 660 Using 3D Coordinates 661 Absolute and relative Cartesian coordinates in 3D 661 Cylindrical and spherical coordinates 662 Using editing commands with 3D wireframes 663 Using point filters, object snaps, object tracking, and grips in 3D 666 Creating 3D polylines 671 Creating helixes 671 Using point clouds 672 Using Elevation and Thickness 674 Creating surfaces with thickness 674 Using the HIDE command 676 Controlling the display of hidden lines and objects 677 Adding elevation to objects 679 Working with the User Coordinate System 681 UCSs and viewpoints 682 Dragging the UCS icon 682 Using UCS options to change the UCS 683 Changing the UCS dynamically 684 Summary 689 Chapter 22: Viewing 3D Drawings 691 Working with the Standard Viewpoints 692 Looking at a drawing from the standard viewpoints 693 Using VPOINT 695 Using the ViewCube to View Your Drawing 697 Creating a Named View with a Camera 698 Creating a camera 699 Editing a camera 700 Adding a Background to a Named View 704 Displaying a Quick Plan View 705 Displaying Parallel and Perspective Projections 706 Using 3D Orbit 706 Starting 3D Orbit 706 Navigating with 3D Orbit 708 Refining your 3D Orbit view 710 Using ShowMotion to Cycle Through Views 713 Creating shots 713 Displaying shots 715 Walking Through a Model 716 Navigating in Walk mode 717 Specifying Walk mode settings 718 Flying through a model 718 Saving the walk as a movie file 719 Using a motion path to save a movie file 720 Navigating with the SteeringWheels 724 Using DVIEW to Create a Perspective View 726 Using DVIEW 726 Understanding the DVIEW options 727 Working with Visual Styles 729 Displaying visual styles in AutoCAD 729 Creating custom visual styles 730 Using the shading options in AutoCAD LT 733 Display materials, textures, and lights as you work 734 Laying Out 3D Drawings 735 Flattening 3D drawings 736 Creating 2D view objects 737 Using SOLVIEW to lay out paper space viewports 740 Using SOLDRAW to create hidden lines and hatching 742 Using SOLPROF to create profiles 742 Printing in 3D 743 Summary 744 Chapter 23: Creating 3D Surfaces 747 Drawing Surfaces with 3DFACE 748 Using the 3DFACE command 749 Making 3D face edges invisible 749 Drawing Surfaces with PFACE 754 Creating Polygon Meshes with 3DMESH 758 Using the 3DMESH command 758 Drawing Procedural and NURBS Surfaces 760 Creating Planar Surfaces 761 Revolved surfaces 762 Drawing an Extruded Surface 767 Working with the TABSURF command 768 Working with the EXTRUDE command 770 Sweeping objects along a path 772 Drawing Surfaces Between Objects 773 Creating ruled surfaces 773 Lof ting objects 775 Using the EDGESURF command 776 Using the SURFNETWORK command 778 Connecting surfaces with the SURFBLEND command 780 Patching holes with the SURFPATCH command 782 Editing and Analyzing Surfaces 784 Creating surfaces with the SURFOFFSET command 785 Trimming and extending surfaces 786 Filleting surfaces with the SURFFILLET command 787 Projecting objects onto surfaces 789 Analyzing surfaces 790 Working with Multiple Types of Objects 791 Converting 2D objects to surfaces 791 Converting meshes to smooth surfaces 791 Thickening a surface into a solid 792 Sculpting surfaces to create a solid 792 Extracting edges and isolines from a surface, solid, or a region 792 Summary 793 Chapter 24: Creating Solids and Editing in 3D 795 Drawing Basic Smooth Solids 796 Drawing a box 796 Drawing a wedge 797 Drawing a cone 798 Drawing a sphere 799 Drawing a cylinder 799 Drawing a torus 800 Drawing a pyramid 801 Creating Extruded Solids 804 Managing objects used to make other objects 804 Using the EXTRUDE command 805 Drawing Swept Solids 807 Drawing Revolved Solids 809 Drawing Lofted Solids 810 Drawing Polyline-Like Solids 813 Manipulating Solids 816 Grip-editing solids 816 Selecting subobjects 816 Moving, rotating, and scaling with the gizmos 817 Working with Mesh Shapes 823 Creating meshes 823 Editing meshes 823 Converting solids and meshes 826 Creating Complex Solids 831 Combining solids 831 Subtracting solids 832 Creating a solid from the intersection of two solids 833 Creating a solid from surfaces that enclose a volume 833 Creating a new solid by using INTERFERE 833 Pressing or pulling a region 836 Using solid history 837 Sectioning and Slicing Solids 839 Using the SECTION command 839 Creating an interactive section object 840 Using the SLICE command 842 Using Editing Commands in 3D 844 Mirroring in 3D 845 Arraying in 3D 846 Rotating in 3D 850 Aligning in 3D 852 Trimming and extending in 3D 854 Filleting in 3D 854 Chamfering in 3D 856 Exploding and converting 3D objects 856 Using the SOLIDEDIT Command 857 Editing faces 857 Editing edges 861 Editing bodies 861 Listing Solid Properties 865 Summary 866 Part V: Organizing and Managing Drawings 867 Chapter 25: Keeping Control of Your Drawings 869 Accessing Drawing Content with Tool Palettes 869 Creating a new tool palette 871 Adding content tools 871 Adding command tools 872 Copying a tool 872 Setting tool properties 873 Organizing tool palettes 876 Using a tool palette 876 Setting Standards for Drawings 879 Using the CAD Standards tools 880 Using layer notification 886 Translating layers 887 Renaming named objects 891 Working with Sheet Sets 891 Understanding sheet sets 892 Creating a sheet set 894 Setting up sheet set references 899 Using a sheet set 908 Organizing Your Drawings 914 Archiving drawings 914 Finding drawings 915 Specifying drawing properties 916 Maintaining Security 917 Password protection 917 Digital signatures 918 Keeping Track of Referenced Files 918 Handling Errors and Crashes 920 Taking care of temporary files 920 Repairing corrupted drawing files 921 Using backup drawings 922 Recovering from a crash 923 Managing Drawings from Prior Releases 923 Summary 924 Chapter 26: Working with Other Applications 925 Importing and Exporting Other File Formats 926 Exporting drawings 926 Importing files 931 Referencing geographic location data 934 Working with Raster Images 935 Attaching images 936 Managing images 937 Clipping images 939 Controlling image display 940 Pasting, Linking, and Embedding Objects 943 Embedding objects into a drawing 944 Using Paste Special 946 Linking data 947 Summary 950 Chapter 27: Collaborating and Creating Electronic Output 951 Opening Drawings from the Web 951 Using the Browse the Web dialog box 951 Using i-drop to drag objects into a drawing 952 Working with drawings on Autodesk 360 952 Sharing Comments with Design Feed 954 Creating Object Hyperlinks 955 Creating a hyperlink 956 Using a hyperlink 958 Editing a hyperlink 958 Publishing Drawings 959 Understanding DWF and DWFx files 960 Creating 2D DWF and DWFx files 960 Creating 3D DWF and DWFx files 966 Using the Publish to Web Wizard 967 Posting DWF and DWFx files directly 970 Editing web pages 971 Viewing DWF and DWFx drawings 971 Sending Drawings 977 Using eTransmit 977 Specifying transmittal settings 978 Summary 981 Part VI: Customizing AutoCAD and AutoCAD LT 983 Chapter 28: Customizing Commands, Toolbars, and Tool Palettes 985 Working with Customizable Files 985 Editing customizable files 988 Backing up customizable files 988 Using the command-line form of commands 989 Documenting your files 992 Creating Aliases for Commands 992 Creating aliases to Windows programs 993 Creating aliases to commands 993 Editing autocorrect and synonym lists 996 Customizing the Quick Access Toolbar 996 Creating and displaying a Quick Access Toolbar 997 Adding buttons 998 Creating a custom command 999 Removing custom commands 1002 Adding a drop-down list 1002 Customizing Toolbars 1006 Customizing classic toolbars 1006 Creating a new toolbar 1007 Removing buttons from a toolbar 1008 Creating flyouts 1008 Customizing the Status Bar 1009 Customizing Tool Palettes 1009 Summary 1011 Chapter 29: Creating Macros and Slide Shows 1013 Creating Macros with Script Files 1013 Creating the script file 1014 Running a script file 1015 Recording Actions 1018 Creating an action macro 1019 Editing an action macro 1020 Managing a macro file 1021 Playing back a macro 1021 Creating Slide Shows 1021 Creating slides 1021 Viewing slides 1022 Using scripts to create slide shows 1023 Creating Slide Libraries 1024 Summary 1026 Chapter 30: Creating Your Own Linetypes and Hatch Patterns 1027 Creating Linetypes 1027 Creating simple linetypes 1027 Creating complex linetypes 1029 Creating Hatch Patterns 1033 Summary 1038 Chapter 31: Creating Shapes and Fonts 1039 Creating Shapes 1040 Using shape files 1040 Creating shape files 1040 Editing shape files 1048 Creating Fonts 1048 Summary 1049 Chapter 32: Customizing the Ribbon and Menus 1051 Working with the Customization File 1051 Understanding the customization file 1051 Loading and unloading customization files 1052 Customizing the Interface 1055 Looking at a ribbon panel 1056 Writing macros 1059 Customizing the ribbon 1061 Customizing the Menu bar and shortcuts menus 1064 Customizing mouse buttons and tablet buttons 1073 Customizing image-tile menus 1075 Customizing tablet menus 1076 Creating keyboard shortcuts 1076 Customizing the double-click behavior 1079 Customizing the Quick Properties palette and rollover tooltips 1079 Summary 1081 Part VII: Programming AutoCAD 1083 Chapter 33: Understanding AutoLISP and Visual LISP Basics 1085 Introducing Visual LISP 1086 Opening Visual LISP 1086 Opening and loading an AutoLISP file with Visual LISP 1086 Loading an AutoLISP file 1086 Using an AutoLISP routine in AutoCAD 1089 Looking at an AutoLISP routine 1090 Using the Visual LISP Editor 1091 Closing a file and Visual LISP 1092 Getting Help in Visual LISP 1093 Working with AutoLISP Expressions 1094 Understanding AutoLISP syntax 1094 Working with numbers and text 1094 Using AutoLISP on the Command Line 1096 Creating AutoLISP Files 1097 Summary 1100 Chapter 34: Exploring AutoLISP Further 1101 Creating Variables 1101 Working with AutoCAD Commands 1102 Accessing AutoCAD commands 1103 Creating functions 1103 Creating functions with arguments 1106 Working with system variables 1108 Working with Lists 1110 Using lists for coordinates 1110 Creating dotted pairs 1111 Setting Conditions 1112 Using conditional statements 1112 Using Loop statements 1114 Managing Drawing Objects 1116 Getting information about an object 1116 Modifying objects 1119 Access an object's properties directly 1120 Creating selection sets 1121 Getting Input from the User 1124 Putting on the Finishing Touches 1126 Summary 1128 Chapter 35: Exploring Advanced AutoLISP Topics 1129 Understanding Global and Local Variables 1129 Working with Visual LISP ActiveX Functions 1131 Reviewing AutoLISP retrieval and modification 1131 Using ActiveX with Visual LISP 1136 Debugging Code 1140 Using the Error Trace window 1141 Working with breakpoints 1142 Using the Watch window 1145 Summary 1147 A Final Word 1147 Part VIII: Appendixes 1149 Appendix A: Installing and Configuring AutoCAD and AutoCAD LT 1151 Appendix B: AutoCAD and AutoCAD LT Resources 1191 Appendix C: What's on the Companion Website 1197 Index 1201 Bonus Chapters on the Companion Website Chapter 1: Working with External Databases Chapter 2: Rendering in 3D Chapter 3: Programming with Visual Basic for Applications Chapter 4: Programming with NET

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