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[spline3.git] / data / announcement.txt

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+       Announcing the Chapel Hill Volume Rendering Test Data Set,
+                          Volume II
+
+               SoftLab Software Systems Laboratory
+               University of North Carolina
+               Department of Computer Science
+               Chapel Hill, NC  27599-3175
+
+The Chapel Hill Volume Rendering Test Data Set, Volume II is a collection
+of the following files:
+
+CT Cadaver Head data - A 113-slice MRI data set of a CT study of
+a cadaver head.  Slices are stored consecutively as a 256 x 256 array
+with dimensions of z-113 y-256 x-256 in z-y-x order.  Format is 16-bit
+integers -- two consecutive bytes make up one binary integer.  14,811,136
+bytes total file size.  Data taken on the General Electric CT Scanner and
+provided courtesy of North Carolina Memorial Hospital.
+
+CT Cadaver Head data information article - An ascii file containing
+acknowledgements for the CT cadaver head data files.
+
+MR Brain data -  A 109-slice MRI data set of a head with
+skull partially removed to reveal brain.  256 x 256 array.
+with dimensions of Z=109 Y=256 X=256 in z-y-x order.  Format is 16-bit
+integers -- two consecutive bytes make up one binary integer. 14,286,848
+bytes total file size.  Data taken on the Siemens Magnetom and provided
+courtesy of Siemens Medical Systems, Inc., Iselin, NJ.  Data edited
+(skull removed) by Dr. Julian Rosenman, North Carolina Memorial Hospital.
+
+MR Brain data information article - An ascii file containing acknowledgements
+for the MR brain data files.
+
+RNA data - A ASCII data set of an electron density map for
+Staphylococcus Aureus Ribonuclease with space of (x,y,z) =
+(0.94,0.94,0.94) and dimensions z-16, y-120, x-100 in z-y-x order.
+961,920 bytes total file size.  Data provided courtesy of Dr. Chris Hill,
+University of York.
+
+RNA data information article - An ascii file containing acknowledgements
+for the RNA data files.
+
+The data sets were written on a Digital Equipment Corporation (DEC) VAX
+computer.  Each file contains only pixels, stored in row major order
+with 2-byte integers per pixel.  To use the images on machines that
+have normal byte order (DECs use reverse byte order), you should swap
+alternate bytes, for example using the 'dd' command in UNIX.  A sample
+command that does this for the MRbrain data set is:
+       % dd if=MRbrain of=MRbrain.new conv=swab
+
+We do not object to your further distributing these files, but we
+request that full acknowledgement of the source of the data accompany
+such distribution.  If you are going to send a data set to someone,
+please also send the accompanying information file (*.info) and this
+file (Announcement).
+
+The Computer Science Department, University of North Carolina only
+distributes these files by anonymous FTP.
+
+We do not provide any software for displaying these data.
+
+There is no information available about the data provided here other
+than that present in these files.  For example, missing information
+about the means of data collection cannot be provided.