Select a special point

When you start the Smart Dimension command, the program prompts you to select an entity.
As soon as you select an entity, the options change, depending on the type of entity you select and the point at which you select the entity:

If you select a special point, the selection list displays the following options:
Orientation Enables you to specify the orientation of the dimension line. Select one from the drop-down list
Type Enables you to specify the type of the dimension to be created, based on the selection you performed. Select one type from the drop-down list
Properties Displays the Properties dialog box


You can then create a linear dimension using one of the following options (to be selected in the Type drop-down list):
 
Special point You can specify the orientation as one of the following:
Distance parallel to the line through the two points


 
Horizontal parallel to the X-axis


 
Vertical parallel to the Y-axis


 
Projected projected at a specified angle


 


Chain
Parallel