Access this dialog from the Import Bitmap Options dialog ("+" button beside Transparency), when one or more image features are selected. This dialog allows you to specify alpha channel values or designated colors for transparent rendering.
Note: In Softree desktop applications, image pixels are rendered in one of 2 states, Opaque or Transparent.
From Alpha
Maximum alpha value
This value controls of the range of alpha values used. Pixels with alpha values below the Maximum alpha value will be not be displayed.
Note: this value only applies to images which support alpha values RGBA (*.png or *.tif)
From Color
Make selected color transparent
This option allows you to specifiy a color as transparent. For example choosing White (255,255,255) will not display white areas in an image.
