Chapter 9

Drawing and Editing Complex Objects

Chapter Objectives

  • Draw polylines with straight line segments

  • Draw polyline arcs

  • Create rectangles using two points

  • Make multisided polygons

  • Create solid and hollow donuts

  • Draw revision clouds

  • Edit polylines as a unit

  • Explode complex objects

Introduction

AutoCAD provides a number of complex line objects that consist of multiple segments but are treated as a single line with multiple points:

  • Polyline

  • Rectangle

  • Polygon

  • Donut

  • Revision cloud

Complex line objects serve many different purposes and needs. Polylines allow you to define a closed boundary that can be used to calculate an enclosed area. Polylines are also used extensively to create contour lines on civil engineering maps.

contour ...

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