To Specify Settings to Find Existing Points

During calculation, you search for base points and detail points that are already stored in the database. The Field Code List specifies the search rules for existing points. You can either find existing points by identifier, such as the point number, or by position. You configure the search using the options on the Calculation tab.

Note:

The existing point feature classes must have the following default attributes: TB_POINTNUMBER, TB_ACCURACY_POSITION, TB_ACCURACY_HEIGHT, TB_RELIABILITY_POSITION, TB_POSITION_RELIABLE, TB_RELIABILITY_HEIGHT, TB_HEIGHT_RELIABLE. See also Storing the Adjustment Results.

To define the search rules for reference points, or detail points

  1. In the AutoCAD Map 3D toolset Maintenance workspace, do one of the following:

    Click Insert tab > Survey panel > Survey.

  2. Click Project Manage.
  3. In the Manage Field Code List dialog box, click the Calculation tab.
  4. Select the field code. For each field code that you want to include in the search, select one or more of the following:
    • Existing—Select Existing, if you want to include the feature class into the search.
    • Identifier—Select Identifier, if you want to find existing points by point number.
    • Position—Select Position, if you want to find existing points by position.

      Tolerance—Enter a tolerance that specifies the search radius.

For example, if a field code has multiple definition rows, you can select the one that is stored in your land management database.