Image order

Image order

Image order algorithms refer to algorithms which iterate over the pixels in the image to be produced, rather than the elements in the scene to be rendered. For typical rendering applications, the scene contains many fewer elements (e.g. geometric primitives) than the image (pixels). In those cases, object order algorithms are usually most efficient. But when the scene complexity exceeds that of the image, such as is the case often in volume rendering, then image order algorithms (e.g. Shear Warp) will usually be more efficient.


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