Operation Manual

170 Fill, Lines, Colours, and Transparency
Grouped balloons with
Knockout Group
disabled.
Grouped balloons with
Knockout Group
enabled.
To create a knockout group:
1. Select the group (must contain overlapping objects).
2. From the context toolbar, check Knockout Group.
If you ungroup the group, you'll lose the knockout effect.
Using transparency effects
While uniform opacity can be applied along with colour via the Colour tab (see
Setting opacity on p. 166), it's possible to apply gradient transparency via the
Transparency tab or Transparency Tool independent of colour. Bitmap
transparency can also be applied exclusively via the Transparency tab.
Just as a gradient fill can vary from light to dark, a gradient transparency varies
from more to less transparency, i.e., from clear to opaque. Picking a linear
transparency preset from the Transparency tab, and applying it to a shape,
shows the transparency effect.
(
A
) Linear Transparency,
(
B
) Transparency path,
(
C
) Effect on graphic