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Now, it's time to see how we build a Node Tree in Nuke. The first thing you're going to want to do is to get your Keyboard Shortcut document opened. You're going to want to print this out, and have it at your machine side and always use it because it contains all these keyboard shortcuts that make your work with Nuke so much faster and more productive. We're going to be working right here in the Node Graph section. And in this movie, we're going to cover almost all of the commands you see here. Nuke has a great many built-in productivity tools, and the more you know about them, the faster and more efficient you can be at your Nuke compositing scripts.
So, we will put this away. And since we want to build Node Graphs and we don't care about the Viewer, I'm going to collapse the Viewer down to nothing so we can have more screen space for our Node Graph. All right. We'll come up here to the Image tab, come down and select the CheckerBoard node. The node comes in and it is selected. You see how it's lit up orange? If we click off to the side, it deselects. If we click on the node, it selects. If a node is selected, any new nodes you add will be appended to it.
So, I can come over here to the Filter tab, add a Blur node and now the Blur node is selected. Go to the Color tab and add a Grade node, the Grade node is selected. And one more, the Transform tab, and now the Transform Node is selected. If you don't have any node selected, I will deselect off to the side, and I add a new node, like another Grade node, for example, it just floats off in never-never-land. It doesn't hurt anything, but it doesn't do anything.
To delete a node, simply select it and hit either one of the Delete keys on the keyboard. Now, if you want to insert a node, I recommend you first, make yourself a little space here, select the node above the area you want to insert, and then simply add a new node and it gets dropped right in. See? It's all hooked up for you. Sometimes, you want to do an Insert branched off to the side. So, we'll select this node, we'll go to the Color tab and Shift+Click on a node and now it's connected but branched. Try that again.
Select the Blur node, come down to the Transform, Shift+Click on the new node and you get a branch connection. Now, we saw you can click on node to select it and click off to the side to deselect it, but you can also draw rectangles around them to select them, which is very helpful for selecting groups or columns. You can also build a pick list. Hold down the Shift key. Click, click, click and you've built a list of nodes. Okay. I'll click off to deselect.
One more time, hold down the Shift key, click, click, click, and now those nodes are selected. So, in addition to these tool tabs for adding nodes, there is a second way to add nodes, very fast, very powerful and that's the Tab Search function. The cursor must be in the Node Graph. Tap the Tab key and you get this little window. The first letter you type will pop up a list of all the nodes that begin with that letter. If you add a second letter, it'll down select.
So, let's say I want the Blur node, so now I just click on Blur and I get a Blur node. I didn't have any other node selected, so it wasn't connected. So, I'll select the Grade node. Hit the Tab key. It remembers my last election. I'll just hit the Return key and add a Blur node to the Grade node. Very nice! There is a third way to add nodes. Cursor in the Node Graph. Right mouse button pop-up menu. From Image on down, these are duplicates of all of these tab buttons over here.
So, we can, for example, come down to Filter and click on Blur and add a Blur node. Of course, if you have got a node selected, you can do right mouse, go to color and add the Grade Node and it'll be connected. So, there's three ways that you can add nodes to your Node Graph: the Tab tool pop-up over here, the Tab Button Search and the Right Mouse Button pop-up menu. In our next movie, we'll see how to edit the node trees.
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