Right Angle The Right Angle tool will digitize a right angle when three vertices are placed on the map. Trace Tool The Trace tool will run along any existing feature, creating a portion of polyline or polygon which is exactly coincident with the traced feature. Note: The tool visible next to the black dropdown arrow many vary as it shows the last tool from the mini-menu which was used. To end sketch: Double click right-click and choose “End Sketch” press F2Ī variety of line creation tools are available to digitize higher quality data.The tool automatically starts curving between the two points as you move your mouse around.The ‘end point arc segment’ tool creates a curve between the two end vertices laid down. Vertices will continue to be placed until you finish your sketch Each click puts down one vertex, then connects a straight line to the next vertex clicked. Not choosing selects the top most layer.
When two or more features are selected when clicking, a selection drop down will appear for you to choose one.Any selectable feature is available to select.Used to select the feature you want to edit.The Snapping toolbar controls to what (Point, Edge, Vertex, End) your cursor will snap when editing. Merging them into a multipart feature will ‘light up’ all the islands when the record ‘Hawaii’ is selected in the attribute table. All the islands are part of the state, but as a single part feature, each individual island will be a record in the attribute table.
Save Edits Note: Unlike some software, ArcGIS ‘undo’ will only go back to the last save not the beginning of the software session.