Introducing Geographic Information Systems with ArcGIS: A Workbook Approach to Learning GIS, 3rd Edition

Using Undo, Redo, Copy, and Cut

____ 32. Start editing. Add a second polygon that overlaps the triangle. Union the two. Move the new polygon. Now place the cursor on the Undo tool icon on the Standard menu. What does it say? _________________. Press the Undo tool icon. Place the cursor again on the Undo tool icon. What does it say? _________________. Press it. Place the cursor on the Redo tool. What does it say? _________________. Press it. Place the cursor again on the Redo tool. What does it say? _________________. Press it. Observe. Recognize that you can undo and redo back and forth on the chain of actions. Stop editing without saving edits.

____ 33. Start editing. Select the triangle. Press Ctrl-C. Press Ctrl-V. Select Edit_Play_Polys as the target layer to create feature(s) in. Verify, with the attribute table, that an identical polygon has been created. Move one of them. Select Stop Editing without saving edits.

____ 34. Start editing. Select the triangle. On the Editor toolbar, select Cut Polygons Tool. Sketch a line that starts outside the triangle, goes inside (make a vertex), changes direction, and returns outside. Note what happens as this polygon is completed. Cut the triangle again, making four polygons. Now use the Edit tool (after selecting two records in the attribute table) to move those two polygons. Again use the Edit tool (after selecting the remaining two polygons graphically) to move those polygons. Stop editing without saving edits. Dismiss the attribute ...