![]() ![]() ![]() Use Luma or an RGB channel to light the image based on the edges in the corresponding color channel.Įdge Intensity sets the intensity of the edge light. Choose Alpha to light text, or to light a cutout image around the edges. The Edges From menu determines which channel in the source is used to compute edges. The appearance of the full- size rendered image can be quite different than a scaled preview, so you should preview at least a frame of your sequence that uses edge lighting at full size. Warning: Edge detection is inherently a non-scalable process, because edges are found by comparing each pixel with its immediate neighbors.Note that the edges referred to here are edges in the source image, not the edges of the spotlight. The Edges parameters control edge detection and edge lighting. Use Ambient Follow if you want the applied light’s color to completely replace the ambient light. Increasing Ambient Follow causes the ambient light to fall off in regions of the image that are lit by the applied light. At the default Ambient Light value of 100 (where no ambient light is added or subtracted), the PixelChooser behaves exactly as in other filters at other values, the PixelChooser filters every parameter except Ambient Light. This ensures that the PixelChooser does not create discrepancies in the overall lighting of the image before Light Sweep is applied. In other words, the Ambient Light setting is applied to all pixels, regardless of whether or not they are chosen by the PixelChooser. Ambient light illuminates or darkens the image evenly, and is unaffected by any other lighting parameters.Īmbient Light overrides the PixelChooser in the Light Sweep filter. Decreasing this setting makes the image darker before the other light is applied. The default setting of 100 does not add or subtract ambient light from the source image. Intensity adjusts the intensity of the light.Īmbient Light adjusts the total amount of diffuse light on the image. At the lower values, the light falls off more gradually, creating a softer beam. At higher values, the light falls off rapidly outside the center of the light beam, creating a hard- edged beam. Shape controls how the light falls off from the center to the outside regions of the beam. For example, if Center Percentage is 50, the center half of the lit region is fully lit, and the light in the quarters on each side of the center falls off as it approaches the edge of the lit region. If Falloff Distance is 100, the light continues past the center to infinity, and displacing the Center along the Direction of the light does not change the effect.Ĭone Width sets the width, in pixels, of the light beam.Ĭenter % sets the percentage of the cone width for which the light is fully applied. If Falloff Distance is 0, the light falls off immediately. The light comes from infinitely far away to the Light Center, at which point it begins to fall off.įalloff Distance controls the rate at which the light darkens or falls off, after it passes the Center point. The light center is set by the Light Center point controls. FunctionīCC filters come with a library of factory installed presets plus the ability to create your own custom presets and preview them with the BCC FX Browser™.īCC filters also include common controls that configure global effect preferences and other host-specific effect settings.įor more information about working with presets and other common controls, Click Here.ĭirection sets the angle that the light beam makes with the horizontal axis. Light Sweep also has some very useful edge detection and edge lighting features. The light is infinitely wide in one direction, and falls off in the other. The filter is physically modeled after a light that is infinitely far away. BCC Light Sweep creates a linear beam of light that sweeps across your image. ![]()
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