2011

2 If an object definition file is not attached, enter attachdef at the command
prompt and attach the file.
3 On the Map Explorer tab of the Task Pane, right-click Object Classes.
Click Define Object Class.
4 When prompted to select a sample object, select the sample object. Press
Enter.
5 In the
Define Object Classification dialog box (page 1785), enter a name
and a description.
6 To base this object class on an existing object class (page 123), select the
existing object class from the Based On list.
To use this object class as a base only, select Use As Base Object
Classification Only.
7 On the Applies To tab, select the object type for this object class.
You must select the object type before you can select properties on the
Properties List tab.
For best results, select the most specific object type that applies to all
objects in this class.
NOTE If you plan to use this object class with objects from a drawing source,
do not select more than one object type.
8 On the Properties List tab, select each of the properties you want to
include in the definition. For each property,
enter a default value and a
range of possible values
(page 125).
To specify a line weight, enter the decimal value as an integer. For
example, to specify a line weight of 0.13, enter 13.
To define a new property, click New Property. In the
New Property dialog
box
(page 1791), specify the category and name for the new property.
9 On the Class Settings tab, select the object to use to create the feature.
For example, if you are defining an object class for roads, select Polyline
as the creation method.
NOTE You can select only objects that match the object type you selected
on the Applies To tab.
You can also specify the icon to display for the object class and whether
you want the object class to appear on the Map Explorer tab of the Task
Pane.
Setting Up Object Classification | 121