Wednesday, April 10, 2013

Creating Object data table




Object Data Table

In AutoCAD Map 3D, object data table are used to store non-geographic (aspatial) data. You can create an object data table by defining the table structure in the Define Object Data window.

Creating an Object Data Table-
  • Choose the choose the Define Object Data tool from the Attribute Data panel of the Map Setup tab; the Define Object Data dialog box will be displayed.
  • In this dialog box, choose the New Table button; the Define New Object Data Table dialog box will be displayed.
  • In the Define New Object Data Table dialog box, specify table name in the Table Name edit box.
  • To define attribute fields, specify the name in the Field Name edit box. 
  • Next, specify the data type stored in the field by selecting an option from the Type drop-down list.
  • Optionally, write a brief description of the data field in the Description text box.
  • To assign a default value to the data field, enter a value in the Default edit box. 
  • Next, choose the Add button; a data field with the specified name will be added in the Object Data Fields area of this dialog box.
 Repeat this process to add required fields to the data table.
  • After specifying the required fields in the Define New Object Data Table dialog box, choose the OK button; the dialog box will be closed
  • On doing so, the Define Object Data Table dialog box will be closed and the created table will be displayed in the Define Object Data dialog box.