Creating a Datum Target

This task will show you how to create a datum target on a right projection view. You can set text properties either before or after you create the datum target.
This task deals with:
 

Creating a Datum Target
Open the Brackets_views03.CATDrawing document.

  1. Click Datum Target in the Annotations toolbar (Text sub-toolbar).

  1. Select the attachment point of the datum target leader.

  2. Select a point to be used to position the datum target (anchor point).
    Tips:
     
    • You can move the pointer so that the anchor point is snapped on the privileged direction. For information on privileged direction, see Arrow Orientation.
    • You can press Alt key to orient the datum target in vertical direction.


The Datum Target Creation dialog box is  displayed.

  1. Enter the required values in the fields. For example, 1 and A.
 
Click ... to specify that the datum target provides information on the diameter or the square reference area of the selected element.

  1. Click OK.
     The datum target is created.

  2. Click the red arrow next to the datum target.
    The datum target is now movable. The leader can be placed on the left or right of the datum target.

 

 
The character string that is edited in the Datum Target Creation dialog box is simultaneously previewed on the drawing.
 

Positioning a Datum Target on an Existing Annotation
You can position a datum target on an existing annotation on a specific point at its anchor position. You can also snap datum target position to any predefined place.
Create a datum target.

  1. Click Datum Target in the Annotations toolbar (Text sub-toolbar).

  2. Click to define the leader anchor point.
    The datum target leader is placed at the indicated location.

  3. Move the pointer over the reference annotation (in this case, the reference datum target).
    The attachment points are displayed. The nearest attachment point is highlighted to show that the annotation will be positioned on it if that point is selected.

  4. Click on a desired attachment point to position the datum target.
    The leader is removed and the datum target is positioned on the selected attachment point. A dialog box appears with the pre-entered values and at the same time previewed on the drawing.

  5. Enter the required values in the boxes.

  6. Click OK in the dialog box or click in the empty space to validate the inputs provided in the dialog box.
    The datum target is created. If required, you can change the position of the datum target.

  7. If required, click the datum target and drag to change the position.
    The datum target is snapped to the selected position and the attachment point is modified.