Professional Digital Compositing: Essential Tools and Techniques

6 and a Blur price of zero. sixty five paintings good. keep the dossier less than a brand new identify. the educational may be revisited in bankruptcy 10, the place shadows and textual content might be further. A complete revision is kept as nuke2_step2. nk within the Tutorials folder at the DVD. ■  operating with Alpha Figure 3. 29 ​(Left) Statue earlier than colour correction (Center) Statue after program of the HueCorrect node (Top correct) Corrected r_sup curve (Bottom correct) Corrected lum curve Figure 3. 30 ​(Left) Close-up of alpha matte side (Right) area after the appliance of an Erode (Blur) node ninety five  ninety six c h a p t e r three  ■  studying Alpha and Creating Mattes AE instructional three: removal Greenscreen Keying out the greenscreen of a live-action shoot consistently has its demanding situations. however, the Keylight impact deals a strong answer for the chroma key approach. 1. Create a brand new venture. pick out Composition → New Composition. within the Composition Settings conversation field, switch the Preset menu to HDV/HDTV 720 29. ninety seven. Set period to one hundred fifty frames and body fee to 30. Import the phonecall. ###. tga series from the pictures folder at the DVD (see Figure 3. 31). 2. LMB+drag the phonecall. ###. tga pictures from the venture panel to layer define of the Timeline panel. evaluation the frames via scrubbing during the timeline. the main demanding element of this chroma key elimination should be saving the wonderful hairs at the model’s head. In anticipation of this, Comp 1 could be devoted to making a customized luma matte. three. With the layer chosen within the layer define, pick out influence → colour Correction → Hue/ Saturation. within the impression Controls panel, lessen the Saturation slider to –100. decide on the layer back and select impact → colour Correction → Curves. form the curve to compare Figure 3. 32. With the customized curve, you could impart better distinction to the picture, but hold a number of the effective element alongside the hair’s side. you could insert new issues into the curve via LMB+clicking at the curve line. to maneuver some extent, LMB+drag it. (For additional info on colour correction results, see bankruptcy four. ) Figure 3. 31 ​The greenscreen plate Figure 3. 32 ​(Left) customized curve for Curves influence (Center) aspect of high-contrast end result (Right) element of inverted end result    ■  operating with Alpha ninety seven four. With the layer chosen within the layer define, opt for influence → Channel → Invert. The RGB is inverted in order that the hair turns into white and the heritage turns into black (see Figure 3. 32). five. Create a brand new composition. LMB+drag Comp 1 from the venture panel to the layer define of the Comp 2 tab within the Timeline panel. Toggle off the Video layer swap beside the Comp 1 layer in order that it isn't obvious within the viewer of the Composition panel. LMB+drag a brand new reproduction of the phonecall. ###. tga photos from the undertaking panel to the Comp 2 layer define and position it under Comp 1. With the phonecall. ###. tga layer chosen inside Comp 2, decide upon impact → Channel → Set Matte. within the impression Controls panel, switch the Take Matte From Layer menu to Comp 1. switch the Use For Matte menu to Figure 3. 33 ​(Left) aspect of hair proven over white to demonstrate excessive measure of eco-friendly spill (Center) results of Spill Luminance.