Wednesday, February 17, 2010


Using Masks in Illustration Programs

A mask is a vector path which allows part of an object to show while blocking out the rest effectively making part of it transparent. A mask in an illustration program is functionally equivalent to a clipping path in an image editor (more).

1. Take for example a photo. You can create a mask which will knockout the background.


2. Using the Pen, draw a path around the bird in the photo.


3. This is a view of the path only.


4. When the path is made into a mask and combined with the background image, the background becomes transparent.


5. Masks can be made to create many kinds of effects. A type mask can be combined with a background photo.


6. This is the mask created by converting type to curves.


7. This is the type mask when combined with the background image.


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