mdvol1'¯g08ÚUr=… c?æ¼{? This is a simple file, consisting of a header and a set of value bytes, for storing volume image data. Specified by Mark Dow, January 2001. The header is a total of 10000 bytes: The first five characters (mdvol, 5 x 8 bits) identify the file as volume with this file type. One character, 8 bits, serves as a version indicator -- this is version 1. One integer, 32 bits, is the total length of the header. Three integers are dimensions, xyz in pixels, of the volume. Three floats, 3x32 bits, are physical dimensions, xyz in mm, of each voxel. Two floats indicate a reasonable black point and white point for the initial display, with a range [0,1]. One float indicates a reasonable gamma for the initial display where the gamma is applied after the black/white point. Three characters specifies gray 8 bit, g08, gray 16 bit, g16, or color 24 bit, c24, byte information. 4900 characters, 4900 x 8 bits, of text is this description of the file format. 151 characters are a text title. 4900 characters are a text description of the volume contents. The rest are bytes, in x/y/z or r/g/b/x/y/z order, describing the image data. If the color character is g08, there are x*y*z bytes of color data. If the color character is g16, there are 2*x*y*z bytes of color data. If the color character is c24, there are 3*x*y*z bytes of color data. MRI of kneeess F1lume with a new nameSave Asges Cropped, range narrowed, bit depth reduced, and rotated from original 127x256x256 x16 bits/voxel data set. Data taken on a Siemens Magnetom MRI scanner and provided courtesy of Siemens Medical Systems, Inc., Iselin, NJ. " MRI of knee." Other information not available. Data acquired by FTP (omicron.cs.unc.edu:/pub/softlab/CHVRTD) from the Volume Rendering Test Dataset at the SoftLab Software Systems Laboratory of the University of North Carolina. Chapel Hill Volume Rendering Test Dataset, Volume I SoftLab Software Systems Laboratory University of North Carolina Department of Computer Science Chapel Hill, NC 27599-3175                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        !                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           #                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     %                                                                                                 $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        !                                                                                                          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