You use the Interactive Transparency Tool to create transparent objects. If you place a transparent object on top of another object, the object beneath remains visible, though its appearance is changed by the see-through quality of the transparency.
The Interactive Transparency Tool works like the Interactive Fill Tool (see Chapter 10), adding transparent uniform, fountain, pattern, and texture fills to objects. These fills are actually grayscale masks. A mask covers part of an object and restricts changes to that part.
Select the Interactive Transparency Tool from the toolbox (Figure 15.31).
Figure 15.31. Select the Interactive Transparency Tool from the toolbox.
With the Interactive ...