0001 <div class="moz-text-flowed" style="font-family: -moz-fixed">function VertConn = vertices_connectivity(FV,VERBOSE); 0002 %VERTICES_CONNECTIVITY - Generate the connections between vertices 0003 % function VertConn = vertices_connectivity(FV,VERBOSE); 0004 % function VertConn = vertices_connectivity(FV); 0005 % FV is the standard matlab structure for faces and vertices, 0006 % where FV.faces is m x 3, and FV.vertices is n x 3. 0007 % 0008 % VertConn returned is vector of cells, one-to-one with each row of FV.vertices. 0009 % VertConn{i} returns a row vector of the vertex numbers (rows in FV.vertices) that 0010 % are connected by faces to the ith vertex row in FV.vertices. 0011 % 0012 % Thus if we want to 'swell' the region around a vertex, VertConn{i} gives us the 0013 % vertex numbers of those vertices that are adjacent. 0014 % 0015 % See also FACES_CONNECTIVITY 0016 0017 %<autobegin> ---------------------- 26-May-2004 11:34:41 ----------------------- 0018 % --------- Automatically Generated Comments Block Using AUTO_COMMENTS --------- 0019 % 0020 % CATEGORY: Visualization 0021 % 0022 % At Check-in: $Author: Mosher $ $Revision: 14 $ $Date: 5/26/04 10:02a $ 0023 % 0024 % This software is part of BrainStorm Toolbox Version 2.0 (Alpha) 24-May-2004 0025 % 0026 % Principal Investigators and Developers: 0027 % ** Richard M. Leahy, PhD, Signal & Image Processing Institute, 0028 % University of Southern California, Los Angeles, CA 0029 % ** John C. Mosher, PhD, Biophysics Group, 0030 % Los Alamos National Laboratory, Los Alamos, NM 0031 % ** Sylvain Baillet, PhD, Cognitive Neuroscience & Brain Imaging Laboratory, 0032 % CNRS, Hopital de la Salpetriere, Paris, France 0033 % 0034 % See BrainStorm website at http://neuroimage.usc.edu for further information. 0035 % 0036 % Copyright (c) 2004 BrainStorm by the University of Southern California 0037 % This software distributed under the terms of the GNU General Public License 0038 % as published by the Free Software Foundation. Further details on the GPL 0039 % license can be found at http://www.gnu.org/copyleft/gpl.html . 0040 % 0041 % FOR RESEARCH PURPOSES ONLY. THE SOFTWARE IS PROVIDED "AS IS," AND THE 0042 % UNIVERSITY OF SOUTHERN CALIFORNIA AND ITS COLLABORATORS DO NOT MAKE ANY 0043 % WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF 0044 % MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, NOR DO THEY ASSUME ANY 0045 % LIABILITY OR RESPONSIBILITY FOR THE USE OF THIS SOFTWARE. 0046 %<autoend> ------------------------ 26-May-2004 11:34:41 ----------------------- 0047 0048 % ----------------------------- Script History --------------------------------- 0049 % 1994 by John C. Mosher, Ph.D. 0050 % 19-Nov-1999 Based on May 1998 scripts. 0051 % 19-May-2004 JCM Comments Cleaning 0052 % ----------------------------- Script History --------------------------------- 0053 0054 if(~exist('VERBOSE','var')), 0055 VERBOSE = 1; % default non-silent running of waitbars 0056 end 0057 0058 nv = size(FV.vertices,1); 0059 [nf,ns] = size(FV.faces); % number of faces, number of sides per face 0060 0061 VertConn = cell(nv,1); % one empty cell per vertex 0062 0063 if(VERBOSE) 0064 % disp(sprintf('Processing %.0f faces',nf)) 0065 hwait = waitbar(0,sprintf('Processing the Vertex Connectivity for %.0f faces',nf)); 0066 drawnow %flush the display 0067 end 0068 0069 for iv = 1:nf, % use each face's information 0070 if(VERBOSE) 0071 if(~rem(iv,max(round(nf/10),1))), % ten updates 0072 % fprintf(' %.0f',iv);d 0073 waitbar(iv/nf,hwait); 0074 drawnow %flush the display 0075 end 0076 end 0077 for i = 1:ns, %each vertex of the face 0078 for j = 0:(ns-2), % each additional vertex 0079 VertConn{FV.faces(iv,i)}(end+1) = FV.faces(iv,rem(i+j,ns)+1); 0080 end 0081 end 0082 end 0083 close(hwait); 0084 0085 if(VERBOSE), 0086 hwait = waitbar(0,sprintf('Now sorting the vertex results')); 0087 drawnow %flush the display 0088 end 0089 0090 for i = 1:nv, 0091 if(VERBOSE) 0092 if(~rem(i,round(nv/10))), % ten updates 0093 waitbar(i/nv,hwait); 0094 drawnow %flush the display 0095 end 0096 end 0097 VertConn{i} = unique(VertConn{i}); 0098 end 0099 close(hwait); 0100 0101 return 0102 </div>