Arrays containing many megabytes of data are common, and rendering such quantities of data quickly enough for interactive applications requires large amounts of processing power and high memory bandwidth.Medical imaging technologies such as magnetic resonance (MR) and computed tomography (CT) can produce 3D arrays of data containing detailed representations of internal organs, allowing doctors to make a diagnosis without invasive surgery.Three-dimensional arrays of data are a convenient and widely-used representation for information.The method extends to support mixed volumes and geometry and is parallelizable.read more read less When combined with our shear-warp rendering algorithm this data structure allows us to classify and render a 2563 voxel volume in three seconds. scalar fields with no precomputed opacity). ![]() Third, we introduce a data structure for encoding spatial coherence in unclassified volumes (i.e. Our second extension is a shear-warp factorization for perspective viewing transformations, and we show how our rendering algorithm can support this extension. Our implementation running on an SGI Indigo workstation renders a 2563 voxel medical data set in one second. We use spatial data structures based on run-length encoding for both the volume and the intermediate image. We use this fact to construct a scanline-based algorithm that traverses the volume and the intermediate image in synchrony, taking advantage of the spatial coherence present in both. Shear-warp factorizations have the property that rows of voxels in the volume are aligned with rows of pixels in the intermediate image. First, we describe a new object-order rendering algorithm based on the factorization that is significantly faster than published algorithms with minimal loss of image quality. We extend this class of algorithms in three ways. This would be compatible with 64 bit windows.Abstract: Several existing volume rendering algorithms operate by factoring the viewing transformation into a 3D shear parallel to the data slices, a projection to form an intermediate but distorted image, and a 2D warp to form an undistorted final image. This is complete offline installer and standalone setup for Autodesk Softimage 2014.
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