ArcMap使用基础与数据编辑.ppt

* * Editable data formats All license levels of ArcGIS (ArcView, ArcEditor, and ArcInfo) will allow you to edit shapefiles and feature classes in a personal geodatabase. An ArcEditor or ArcInfo license, along with ArcSDE, will also allow you to edit an Enterprise geodatabase. Whether youre using ArcView, ArcEditor, or ArcInfo, you use the same editing tools in ArcMap to work on your geographic data. Data that is in the coverage format must be edited using ArcInfo Workstation. * Navigating the Editor toolbar In ArcMap, editing operations are controlled through the editing toolbar. The toolbar contains several important controls: Editor menu: This menu contains the commands for beginning, ending, and saving edit sessions. It also provides access to several editing operations, snapping controls, and editing options. Edit Tool: This tool is used to select features for editing. Sketch Tool: This is the primary tool for editing spatial features. It allows you to digitize in  new features or modify the shape of existing features. The actual operation the tool  will perform is controlled by the Task list. Task list: You choose your desired editing operation from this dropdown list. Target layer: This control allows you to select the layer you want to edit. Split Tool: Allows you to divide a select feature into two features. Rotate Tool: Allows you to interactively rotate selected features using the mouse or an angular measurement. Attribute dialog: This window allows you to edit the attribute values of selected features. Sketch Properties: Allows you to edit the vertices of a sketch. * Managing edit sessions In ArcMap you begin, end, and save edit sessions using the Editor menu on the Editor toolbar. When ending an edit session, ArcMap will prompt you to save your edits. If you do not save, your edits will not be committed back to the edit layer. * Selecting features ArcMap provides several methods for selecting the features you need to edit. These