2008

has an additional Hemisphere check box that turns the sphere into a
hemisphere.
In addition, each gizmo has a Seed spinner and a New Seed button.
Different seed values generate different patterns. Clicking the New Seed
button randomly generates a new seed value for you.
To assign volume fog to a gizmo from an apparatus modify panel:
1 Open the Modify panel of an apparatus.
2 Open the Atmospheres & Effects rollout.
3 Click Add.
4 Select Volume Fog from the Add Atmospheres dialog and click OK.
5 Highlight Volume Fog from the Atmospheres list and click setup to adjust
the Volume Fog parameters.
To assign a gizmo to volume fog from the Environment panel:
1 On the Volume Fog Parameters rollout, click the Pick Gizmo button.
2 Click a gizmo in the viewport.
The name of the gizmo appears in the list field at right.
When you render, the volume fog will be confined to the shape of the
gizmo.
To remove an assigned gizmo:
1 In the Environment dialog, go to the Volume Fog Parameters rollout
2 Select the gizmo name from the pop-up list.
3 Click Remove Gizmo.
This action doesn’t delete the gizmo from the scene, but simply unbinds
it from the fog effect.
6514 | Chapter 19 Effects and Environments