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Author Steve Wright explores the new features found in the 3D digital compositor Nuke 6. The course introduces the RotoPaint node for drawing and painting effects, the Keylight keyer for creating mattes and composites, and the SplineWarp node for warping images. The course also explains how to merge keys, animate with keyframes, and create image-based blurs. Exercise files accompany the course.
Nuke 6 New Features was created and produced by Steve Wright. We are honored to host his material in the lynda.com Online Training Library®.
To edit the control points of a stroke, we have to first select the stroke with the Selection tool. We can go to the Selection tab and select any of the strokes that are on the current frame. We can select them from the screen like this or come over to the list and click on them in the list. Let's take a closer look at these Selection tools here. To do that, we'll need a shape. So, I'm going to add a little shape here. Return to close the Shape. And now we'll take a look at the four selections in the pop-up.
The Select Curve tool will allow you to select curves, but you can't select points with them. I'm trying to move these points and no matter how I click and drag, the points will not move. Now, the purpose of all these little Selection tools here is for close order drilling, when you have lots of control points and curves all clustered together in a small space. This helps you down -elect so that you can pick just the thing you want. If you select the Points tool, now you can move just the points.
And if you select the Feather tool, you can now affect just and only feathered selections. In other words, I cannot move this point here or this handle here, but I can move this feather right here. So this point here, Select Feather Points tool, is used only for editing feather points. And the Select All tool obviously will let you select points, curves, feathers, anything and everything. Just remember, if you want to be able to edit the control points of a stroke, you must have allow paint selection enabled.
Next, let's take a look at the Point Edit pop-up menu. You have a variety of tools here that are designed specifically for editing just single points. For example, the Add Points tool. All it does is insert control points. Of course we know, we can insert with Alt+Command+Left Mouse Button. So for most of these, you're going to want to use the quick keys unless you're in a tight spot. Now then you'd want to use these tools. Remove the Points tool will allow you to click away one single point at a time. Next, let me select a shape, so I've got a point here.
And the Cusp Points tool will turn a shapes point into a cusp. And the Curve Points tool will turn that cusp back into a curve. Of course, we have those same things right here on the smooth and Cusp pop-up quick keys. The Remove Feather tool will remove of course a feather, there. You of course can use the Reset Feather option or Shift+E from the keyboard.
Reposition this over here so I could show you the last thing, which is the Open/Close Curve tool. This is specifically designed for shapes and you must click on a control point. And it will open, doesn't matter which control points you click on, or close a shape. We'll zoom out here and re-home the Viewer, so I could show you the Eraser tool. Now the Eraser tool is a stroke like any other with just some slightly different attributes. And by the way, check this out. We can increase the size of the brush on the screen by holding down the Shift key and drag it. So Shift and drag to change your brush size dynamically on the screen, instead of typing in numbers.
All right, we're set for erase and I'm going to just erase a great big swipe over here. So that I can show you that the Erase is just another stroke. And you can tell an erase stroke from all the other strokes by its source. Any erase stroke, the source is background whereas the other paint strokes, the source is color. And of course we can reorder, if I move the shape above that erase stroke, it will no longer erase the shape. And of course, we can edit the control points of the shape stroke by selecting it, going to our Selection tool, make sure Allow Paint Selection is enabled, and then we can edit the control points of our Erase.
Now that we've seen how the Brush tool and the Erase tool are just variations on the stroke, let's take a look at the Clone tool and see how it uses strokes.
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