Creating a latitude reference line

The Reference Latitude function creates a line that appears at the same latitudinal point as the coordinate you have specified. The line that is drawn in the map spans the entire extent of your data.

步骤:
  1. Start ArcMap.
    提示提示:

    If the ArcMap - Getting Started dialog box appears, you can open a new or existing map document. You can also check the Do not show this dialog box in the future check box and click Open.

  2. On the menu bar, click Customize > Toolbars > Production Feature Builder.
  3. Click the Launch Feature Builder button Launch Feature Builder on the Production Feature Builder toolbar.

    The Feature Builder window appears in ArcMap.

    The Feature Builder window
    The Feature Builder window

    提示提示:

    The Feature Builder window can be placed anywhere in ArcMap, or in the TOC, with the aid of the arrows showing the possible placement positions.

  4. Choose Reference Latitude in the list on the Functions tab.
    Feature Builder window with the Reference Latitude function selected
  5. Define a coordinate for the start point of the polyline by doing one of the following:
    • Clicking the Pinprick button Pinprick on the Production Feature Builder toolbar, then clicking on the map
    • Typing the coordinates in the cells on the Input tab in the Coordinates area
    提示提示:

    To view the input coordinates on the map, double-click the row headers for each coordinate.

  6. Click the Execute button Execute.

A line appears at the coordinate's latitudinal point.

提示提示:

If the line does not appear, click the Add Scratch Data Layers button Add scratch data layers at the top of the Feature Builder window.


9/23/2010