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View a node in context with another node to compare intermediate results throughout the process tree. By working with context points, you can modify nodes in the process tree and immediately view the impact those changes have on the nodes further along in the process tree. You can set two context points in a process tree.
You can set a context on a node or on any of its output tabs. You can also set a context on any node output in a group as well as on any output of an Action multiple output node.
The following example has a process tree that includes a Colour Correct node that feeds into an Action node. Two Keyer nodes also feed into the same Action node. You can set the context on the Action node and continue modifying the Colour Correct node, while viewing the result of the Colour Correct node, the Keyer node, or the Action node.
To view nodes in context:
- In the schematic, select the node you want as the context. Using the preceding example, select the Action node.
- In the Process Tree menu, click Set Context.
NoteYou can also set the context node by holding the = key and clicking the node you want to use. This method retains the current node selection.
(C1) appears next to the Action node name in the schematic.
- In the schematic, select the node you want to edit. Using the preceding example, select the Colour Correct node and modify the setup.
- View your colour correction changes in the context of Action by using preview proxies.
- Selecting Context 1 from the Reference box
- Clicking Result and selecting Context 1 or pressing F4
In this way, you are colour correcting “in context” of the intermediate result. Furthermore, as you move to different frames in the module, Context 1 also displays the result at the same frame. For instance, if you are at frame 15 in the Colour Corrector, Context 1 (Action) is also at frame 15. (Exceptions to this occur when using time-based nodes such as Motion Blur, Remove Pulldown, Add Pulldown, Interlace, and Deinterlace.)
- If you want to set a second context, select another node in the schematic—such as the Keyer node—and click Set Context.
(C2) appears next to the Keyer node name.
- Repeat steps 3 and 4.
Example: To set a context on one output of a stereo node:
- Press = and click the tab (left or right eye output) whose context you want to set.
(C1) or (C2) is added to the output name. As well, a green dotted line appears around the tab on which you set the context. In the following example, a context is set on the right eye output.
(a) Context on right eye output (b) Context 1 identifier
- To display the context in a viewport, select the context from the View box or press the associated hot key.
- To display a stereo mode on the context in the viewport, click the Stereo Off toggle in the viewport and select from the stereo modes that appear. For information on stereo modes, see Displaying Stereo Modes in Viewports.