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Parameter Collector 139
6.
Click OK to close the dialog.
A new rollout named Parameters 1 appears,
containing the X Position parameter.
Note: A p ar ameter in Parameter Collector can
contain only a single value (e.g., float, integer,
color), so the software doesn’t let you add
parameters such as Position: Position XYZ,
which contains three distinct va lues.
7. Click Add To Selected Rollout and then
use the same method to add the Y Position
and Z Position p arameters: Hig hlight b oth
parameters on the Track View Pick dia log and
then click Add To Selected Rollout to add both
at once to the Parameters 1 rollout.
8. Drag each spinner in turn to move the sphere
on the respective axis.
As you change each parameter value, the sphere
movesinrealtimeintheviewports.
9. Set all three parameters to 0.0.
10. Click the check button next to each parameter
to select all three.
11. Onthetoolbar,turnonMultipleEdits.
12. Drag one of the spinners.
All three change by the same amount, s o that
thespheremovesdiagonallyinthescene.
13. UsethekeyboardtochangetheYPosition
value to 30.0.
Again, the other two change.
14. Click the Absolute/Relative button to turn
on Relative mode.
All the values display 0.0, as with Offset mode
on the status b ar coordinate display.
15. U se the spinner to set Y Position to 0.65.
The three change in unison, and then reset back
to 0.0 when you release the mouse button. This
has added the va lue you set to each of the th ree
positions, as you’ll see in the next step.
16. Click the Absolute/Relative button to return
to Absolute mode.
The values are all set to 30.65, reflecting the
relative change that you made.
Next, you ’ll try a few Edit commands.
17. Click the Y Position check button to deselect
the p arameter.
18. From the Edit menu, choose Select Invert.
The Y Position parameter is now selec ted, and
the other two are deselected.
19. Click the Move Parameters Up button.
The Y Position parameter now sits above the
X Position parameter.
20. Click the Move Parameters Down button.
The Y Position returns to its position below the
X Position parameter.
21. Choose Edit > Edit Notes.
The Notes dialog opens. Here you can change
the p ar ameter name, set a URL or file location
with furt her information about the parameter,
and enter comments.
22. In the box below Parameter Name, t ype Sphere
YLoc., and then press
Enter .
Thenewnamereplacestheoldoneonthe
rollout. You can see the original name by
hovering the mouse cursor over the parameter
name;itappearsonatooltip.
To conclude this exercise, you’ll use Parameter
Collector to set and edit animation key frames.