To Attach a Raster Reference Interactively

Do one of the following:

From the Raster Manager File menu, choose Attach > Raster.

or
In the Raster group of the Attach tab, select the Attach Reference tool.

or
In the Raster Manager dialog, click the Attach icon and select Raster in the drop-down menu.

The Attach Raster Reference dialog opens.
Use controls in the Attach Raster Reference dialog to select the raster image file.
(Optional) To preview the file being attached, select the Raster Preview check box.
Select the Place Interactively check box.
Note: Rotation and Affinity values are not applied to image(s) when attached when Place Interactively is selected.
Select the Open Settings Dialog check box.
(Optional) Select the Open as read-only check box.
Click Open.
The Raster Attachment Options dialog opens.
Modify the attachment settings, as required, then click Attach.
In the Attach Raster dialog choose the desired method.
Do one of the following:

If the Block method was selected: Place a data point in the designated view to define the origin of the image. Then place a second data point to define the opposite corner of the image.

or
If the Oriented Block method was selected: Place a data point in the designated view to define the origin of the image. Then place a second data point to define the direction of the image. Then place a third point to define the opposite corner of the image.
Reset to finish.