Arbortext IsoDraw > User's Reference > Menus > Objects Menu > Edit Animation > Setting Options for Actions with Transformations > Shearing in 2D Animation
  
Shearing in 2D Animation
Start Value – End Value
Clicking on the relevant tab activates the displays for start or end values. You can change the angle indicated in the relevant entry field for shearing horizontally (h) and vertically (v).
More
Selecting this button opens the Shear dialog box you are already familiar with. The relevant angles (start or end value) are displayed. You can alter these angles in this dialog box.
Clicking OK returns you to the original shear dialog box. The new values you entered in the Scale dialog box are now indicated here.
Center
When creating the animation using the dialog box, the point in the drawing where you clicked is used as the center point. If you click anywhere on the drawing sheet a center point is generated at this point.
Clicking on the center button opens the following dialog box:
You can specify the coordinate values for the center point of scaling here.