Because sampling is so crucial to rendering images, RenderMan offers many different modes and settings to control it. Each pixel will normally be sampled multiple times (i.e., super sampling), and the pixels can be sampled in almost any order. The two main considerations are whether to use incremental mode and what settings to use with the adaptive sampler.
There are also three other more minor options that control sampling: bucket order and size, and crop windows. The bucket options control the size of the batches of pixels and the order that they're visited in. The default is to go in swaths from left-to-right and top-to-bottom. The spiral order is a useful alternative when rendering to a framebuffer as it normally shows the center of the image first. Crop windows restrict rendering to the pixels in a portion of the image. This can be useful to focus on a particular region during an interactive render, or to render poster-sized images piece-by-piece.💚
Wise Hoax
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Because sampling is so crucial to rendering images, RenderMan offers many different modes and settings to control it. Each pixel will normally be sampled multiple times (i.e., super sampling), and the pixels can be sampled in almost any order. The two main considerations are whether to use incremental mode and what settings to use with the adaptive sampler.
There are also three other more minor options that control sampling: bucket order and size, and crop windows. The bucket options control the size of the batches of pixels and the order that they're visited in. The default is to go in swaths from left-to-right and top-to-bottom. The spiral order is a useful alternative when rendering to a framebuffer as it normally shows the center of the image first. Crop windows restrict rendering to the pixels in a portion of the image. This can be useful to focus on a particular region during an interactive render, or to render poster-sized images piece-by-piece.💚
3 years ago | [YT] | 1