Autodesk 62205-051408-9001 User Guide - Page 654
Click the Add Softness or the Subtract Softness, Click the Add Tolerance or the Subtract
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23 Keying 4. Adjust the tolerance range in problem areas by using the Tolerance color pickers, or by plotting a color and then adjusting the tolerance in the Luma gradient and Hue cube. Dragging the tolerance wireframe control points in the Hue cube, or the tolerance line control point in the Luma gradient (representing the tolerance of the sampled pixel), adds or removes the sampled pixel from the range. 5. Adjust the softness range in the Luma gradient, or use the Softness color pickers. 6. Adjust the softness range in problem areas by using the Softness color pickers, or by plotting a color and then adjusting the softness in the Luma gradient and Hue cube. Softness wireframe Sampled pixel (yellow) Softness line controls Dragging the softness wireframe control points in the Hue cube, or the softness line control point in the Luma gradient (representing the softness of the sampled pixel), adds or removes the pixel from the range. 7. To adjust the sharpness, enter value or drag your cursor in the Sharpness field to adjust softness and reduce noise if the matte appears grainy. To pull a key by sampling a pixel in the composite: 1. In the Diamond Keyer controls, click Basic. 2. Click the Plot color picker and click or drag over the composition to sample a pixel in the composition. 3. Adjust the tolerance by doing one of the following: • Click the Add Tolerance or the Subtract Tolerance color picker and drag the cursor over the remaining range of sampled pixels in the composition. The corresponding hue and luma ranges are sampled. The values sampled are added to the current tolerance range. • In the Luma gradient, drag the tolerance line control points or enter values in the Tolerance fields. Where The luma gradient defines which luma range of that hue is keyed out. • In the Hue cube, drag the control points of the tolerance (red) wireframe. 4. Adjust the softness by doing one of the following: • Click the Add Softness or the Subtract Softness color picker and drag in the composite. The corresponding hue and luma ranges are sampled. The values sampled are added to the current softness range. • In the Luma gradient, drag the yellow lines or enter values in the Softness fields. Where the softness range in the hue cube defines the hue keyed out, the luma gradient defines which luma range of that hue is keyed out. • In the Hue cube, drag the control points of the yellow wireframe. 5. To adjust the sharpness, enter value or drag your cursor in the Sharpness field to adjust softness and reduce noise if the matte appears grainy. 638
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