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6. Press the F2 key, which finishes the sketch to turn your shape into an actual feature in the geodatabase. You can finish a sketch in one of several ways: pressing F2, double-clicking, or using the right-click shortcut menu or the pop-up Feature Construction toolbar.
On the Edit toolbar, in the Manage Edits group, click the Save button.
In this exercise, you learned how to set up snapping and use it to help you digitize a new road that connects to existing roads.
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The Research areas layer is symbolized by unique values, so the Define New Feature Type wizard allows you to define the symbol and create a feature template containing the default attributes for the new buffer zones category. You will use an existing feature to create the new buffer around it in a later exercise.
- Above In your map displayMap view, click the 02 Creating FeaturesExercise2 map.
- In the Table of Contents, select the Research areas layer and open the Create Features window in the Edit toolbar.
- Click the Manage Templates icon
and select the Research _ areas feature class from the list, under 02 Creating featuresExercise2.
- In the lower menu, click the New drop-down menu and select Template...
The ‘New Template’ window opens. - In the ‘Name:’ box, type “Buffer zones”.
- In the ‘Description:’ box, type “Buffer zones around Zion research areas”.
- Select the Attributes tab from the left panel, and type “Buffer zone” next to the name field.
This will automatically populate the Name field of every feature you create with this template with “Buffer zones” - Click OK.
A new feature template has been created. - Notice that the ‘Create Features’ window lists a new feature template for the Buffer zones.
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- On the Edit toolbar, click the Select tool.
- Click the Goose Creek research area, the blue polygon just to the west of the polygons you were previously editing. You may need to zoom in or pan to this feature so you can see it better.
- In the Table of Contents, check the box to the left of the Streams layer to make the streams visible again so you can trace along them.
- On the Snapping drop-down menu, select Intersection Snapping.
This turns on snapping to intersections between features, which will help you ensure that the line used to cut the polygon starts and stops at the intersection of the polygon and line edges. - On the Edit toolbar, click the Split tool.
- On the Feature Construction mini toolbar, click Trace.
- Snap to the intersection of the polygon edge and the stream line nearest the buffer polygon you previous created, as indicated below, then click to start tracing the line through the polygon. Follow along the stream line to trace it.
You may need to zoom in to snap to the correct point. Once you have traced all the way across the polygon, snap to the intersection of the polygon and the stream line at the northern edge of the polygon, and click the map to place a vertex, as shown below.
Right-click anywhere on the map and select Finish Sketch.
You are finishing the sketch used to cut the polygon. The polygons flash on the map as the cut is made and the new features are selected. If an error occurs, ensure that you have the correct feature selected, try the trace again, then make sure your line goes completely across the polygon. It may help to zoom in when you start and end the trace.
On the Editor toolbar, click the Select tool.- Click each new feature and notice that you now have two polygons.
- On the Edit toolbar, click Save.
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