

The only tricky part of exporting an alpha is remembering to selecting Individual clips, as the Single clip option can’t output an alpha channel. Rendering with Alpha from the Delivery Page The luma keyer makes the background transparent, and the black is now a checkerboard. With the Transform node selected, press Shift + Spacebar and type Luma to bring up luma keyer, and click Add.With the Transform node selected, increase the Size in the Inspector until the black fills the frame.Select the Dust (MediaIn1) and click on Transform in the toolbar to insert the Transform node between the Dust and the Output.Rename the node’s Dust and Output by using the shortcut F2, or right-click and select Rename.


Select LUM from the pulldown to key just the brightness information.Click on the eyedropper (qualifier) to go into the Qualifier section. We need to create transparency (drop out the black) by using a Luma Key.Drag from the blue (alpha) output of the Node to the alpha output.Right-click in the gray area of the Nodes, and click Add Alpha Output.With the Fire clip on the timeline, click on the Color page at the bottom of the interface.As a note: white is opaque, gray is semi-transparent, black is transparent. What we select is kept (the fire), and the black becomes transparent. We want to remove the black, so this clip can be exported and then placed on top of other footage in another app or Resolve. This clip doesn’t have an alpha and shows fire on a black background. In this example, we’ll be using the free fire clip. Rendering with Alpha from the Delivery Pageģ Ways Create Transparent Backgrounds 1.
