427 Copyright Goodheart-Willcox Co., Inc. Learning Objectives After completing this chapter, you will be able to: ✓ Measure distance, radius, diameter, angles, and area. ✓ List data related to a single point, an object, a group of objects, or an entire drawing. ✓ Determine the drawing status. ✓ Determine the amount of time spent in a drawing session. ✓ Perform calculations using the QuickCalc palette. ✓ Compare drawings using the COMPARE command. This chapter describes tools that allow you to retrieve geometric values such as point coordinates, distance, angle, and area. You will learn methods for referencing object data, determining drawing status, and calculating time spent working on a drawing. You will also learn how to use the QuickCalc palette to calculate values while you work and how to compare drawings using the COMPARE command. Taking Measurements T a king Me as urement s Taking measurements from a drawing is common during the designing and drafting process. Mechanical drafting examples include measuring a circle to confi rm the size of a hole, measuring the angle between two surfaces, and calculating the volume of a part. Architectural drafting examples include checking the dimensions of a room, measuring the location of features within a room, and calculating square footage. Using Grips Grips and dynamic input provide one way to view basic object dimensions. To identify the location of a point that corresponds to a grip, confi rm that the coordinate display fi eld in the status bar is on. Then pick the object to activate grips and hover over a grip. The coordinates of the point appear in the coordinate display fi eld of the status bar. Use grips and dynamic input to view dimensions between grips. Pick the object to activate grips and hover over a grip to display dimensions. The information that appears varies depending on the object type and the selected grip. See Figure 15-1. Obtaining Drawing Information CHAPTER 15 15