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Introducing Geographic Information Systems with ArcGIS: A Workbook Approach to Learning GIS, 3rd Edition by Michael D. Kennedy

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Using the Measure Tool and the Identify Tool
Also available from the ArcMap toolbar is the capability for measuring distances (using an icon that looks like a ruler), according to how you have set some display parameters.
____ 32. Measure the length (the distance along the GPS track) of the trip using Measure from the Tools toolbar: Activate the measure tool by pressing the ruler icon; a Measure window appears. Read the contents. Pause the cursor over each of the buttons in the window and write the ToolTip in your Fast Facts File.
Done? (   ) Yes. (   ) No.
____ 33. Use the button that indicates Choose Units and set the Distance units to Feet. Move the Measure window out of the way of the GPS track if necessary. Using the plus (+) sign as the reference point of the cursor, click on the easternmost point of the GPS track, move the cursor, and observe the Measure window contents. Then, trace the GPS track, clicking at points along the route of the trip, using points closer together when the route bends so that you can more nearly estimate the true length of the trip. At the last point double-click (or just keep the cursor on the point and press the Esc key) to get the trip Length total, which, to the nearest tenth of a foot, is _________________ feet. Close the Measure window.
____ 34. Click the Identify icon on the Tools toolbar. Press F1 on the keyboard to look for the help file for the Identify tool. (You may find it and you may not, depending on how your ArcGIS has been ...

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