Autodesk 12812-051462-9011 User Guide 3 - Page 1349
Apply Element To group, Image Sources group
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Apply Element To group Lights Applies the effect to lights picked in Lens Effects Globals under the Parameters tab in the Lights group box. Image Applies the effect to the rendered image using parameters set in Image Sources. Image Centers Applies to the center of an object or to portions of an object as determined by the Image Filters. Image Sources group Object ID Applies the Lens Effect to particular objects in your scene that have a corresponding G-Buffer on page 7991 (or Object) ID. The G-Buffer is a geometry buffer and can be defined when you right-click any object and select Properties from the menu. Then, set the Object Channel ID under the G-Buffer ID controls. Material ID Applies the Lens Effect to an object or part of an object with a specific Material ID channel on page 5348 assigned to it. Assign the Material ID channel in the Material Editor, using the Material ID channel flyout on page 5350. The Lens Effect will be applied only to areas of the geometry where that particular ID channel is present. TIP In some cases you might want to apply different Lens Effects settings to different pieces of geometry or IDs. To accomplish this, add additional Lens Effects entries to the Lens Effects Parameters list. Then set each different Lens Effect entry to affect a different Material ID or Object ID and proceed. Unclamp An unclamped color is brighter than pure white (255,255,255). The software keeps track of these "hot" areas which tend to show up when your scene contains bright metallic highlights or explosions. This spinner lets you determine the lowest pixel value that the Lens Effect is applied to. Pure white has a pixel value of 1. When this spinner is set to 1, any pixels with a value above 255 will be glowed. You can invert this value by clicking the I button to the right of the spinner. Surf Norm Applies the Lens Effect to part of an object, based on the angle of the surface normal to the camera. A value of 0 is coplanar, or parallel to the screen. A value of 90 is normal, or perpendicular to the screen. If you set Surf Norm to 45, only surfaces with normal angles greater than 45 degrees will be glowed. You can invert this value by clicking the I button to the right of the spinner. This parameter can be animated. 6604 | Chapter 21 Effects and Environments