Design Animation > Design Animation > Creating an Animation > Defining Transparency > About the Transparency at Time Dialog Box
  
About the Transparency at Time Dialog Box
Click Trans @ Time. The Transparency at Time dialog box opens. Select the component(s) to include in the event, then define the transparency:
Name—Enter a name for the transparency event or accept the default name.
Transparency—Enter a transparency value from 0 to 100 or move the slider until the shading appears to your satisfaction.
Click or clear the Ignore surface properties check box to ignore surface properties (for example, color or reflectivity) or use standard model shading. This check box is selected by default for optimal performance.
Time—Set the time at which the transparency event becomes active relative to the selected timeline reference entity:
Value—Enter a value for the amount of time before the transparency event becomes active.
After—Select the animation reference entity (start, end, or another previously defined event).
Click Apply. The event appears on the timeline.