The BCC PixelChooser, fully re-engineered in BCC10 to include mocha planar
tracking and more robust and intuitive masking/matting tools, provides
numerous techniques for selecting which areas of an image will be affected by
a filter. The PixelChooser has been incorperated into most filters in BCC,
but is also available as a stand alone filter.
Pixelchooser creates a matte/mask between filtered and unfiltered pixels
allowing far greater control over the design process. The matte/mask can be
defined in numerous ways: