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# interp_mail

## (Toolbox/interp_mail.m in BrainStorm 2.0 (Alpha))

### Function Synopsis

    [vertxcolor,varargout] = interp_mail(coordmail,coordelec,data);

### Help Text

    INTERP_MAIL - (French) Interpolate coordinates of the "maillage"
     function [vertxcolor,varargout] = interp_mail(coordmail,coordelec,data);
     function vertxcolor = interp_mail(coordmail,coordelec,data);
     vertxcolor = interp_mail(coordmail,coordelec,data);
     coordmail = coordonnees des vertex du maillage
     coordelec = coordonnees des points de mesure du maillage;
     data = donnees aux points de mesure

### Cross-Reference Information

This function calls

    shepards                           C:\BrainStorm_2001\Toolbox\shepards.m

This function is called by

    bst_imaging_display                C:\BrainStorm_2001\Toolbox\bst_imaging_display.m
    bst_wavedata_display               C:\BrainStorm_2001\Toolbox\bst_wavedata_display.m

### Listing of function C:\BrainStorm_2001\Toolbox\interp_mail.m

    function [vertxcolor,varargout] = interp_mail(coordmail,coordelec,data);
    %INTERP_MAIL - (French) Interpolate coordinates of the "maillage"
    % function [vertxcolor,varargout] = interp_mail(coordmail,coordelec,data);
    % function vertxcolor = interp_mail(coordmail,coordelec,data);
    % vertxcolor = interp_mail(coordmail,coordelec,data);
    % coordmail = coordonnees des vertex du maillage
    % coordelec = coordonnees des points de mesure du maillage;
    % data = donnees aux points de mesure

    %<autobegin> ---------------------- 26-May-2004 11:30:45 -----------------------
    % --------- Automatically Generated Comments Block Using AUTO_COMMENTS ---------
    %
    % CATEGORY: Visualization
    %
    % Alphabetical list of external functions (non-Matlab):
    %   toolbox\shepards.m
    %
    % At Check-in: $Author: Mosher $  $Revision: 16 $  $Date: 5/26/04 9:59a $
    %
    % This software is part of BrainStorm Toolbox Version 2.0 (Alpha) 24-May-2004
    %
    % Principal Investigators and Developers:
    % ** Richard M. Leahy, PhD, Signal & Image Processing Institute,
    %    University of Southern California, Los Angeles, CA
    % ** John C. Mosher, PhD, Biophysics Group,
    %    Los Alamos National Laboratory, Los Alamos, NM
    % ** Sylvain Baillet, PhD, Cognitive Neuroscience & Brain Imaging Laboratory,
    %    CNRS, Hopital de la Salpetriere, Paris, France
    %
    % See BrainStorm website at http://neuroimage.usc.edu for further information.
    %
    % Copyright (c) 2004 BrainStorm by the University of Southern California
    % This software distributed  under the terms of the GNU General Public License
    % as published by the Free Software Foundation. Further details on the GPL
    % license can be found at http://www.gnu.org/copyleft/gpl.html .
    %
    % FOR RESEARCH PURPOSES ONLY. THE SOFTWARE IS PROVIDED "AS IS," AND THE
    % UNIVERSITY OF SOUTHERN CALIFORNIA AND ITS COLLABORATORS DO NOT MAKE ANY
    % WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
    % MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, NOR DO THEY ASSUME ANY
    % LIABILITY OR RESPONSIBILITY FOR THE USE OF THIS SOFTWARE.
    %<autoend> ------------------------ 26-May-2004 11:30:45 -----------------------

    % /---Script Author--------------------------------------\
    % |                                                      |
    % | *** Sylvain Baillet, Ph.D.                           |
    % | Cognitive Neuroscience & Brain Imaging Laboratory    |
    % | CNRS UPR640 - LENA                                   |
    % | Hopital de la Salpetriere, Paris, France             |
    % | sylvain.baillet@chups.jussieu.fr                     |
    % |                                                      |
    % \------------------------------------------------------/

    % History --------------------------------
    % SB 13 11 97
    % JCM 08-Sep-2003 Commenting
    % ----------------------------------------

    nmes= size(coordelec,1);
    nsom = size(coordmail,1);
    % vertxcolor = ones(nsom,1)*0;
    %
    % [mx imx]= min(coordelec(:,1));
    % [Mx iMx]= max(coordelec(:,1));
    % mz = coordelec(imx,3);
    % Mz = coordelec(iMx,3);
    %
    % p = [mean([mx,Mx]);0;mean([mz,Mz])];

    % Axe X pointant vers l'avant
    %coordmail(:,1) = coordmail(:,1)-p(1); % epilepsie

    % % Axe X pointant vers l'arriere
    % coordmail(:,1) = (coordmail(:,1)-p(1));
    % coordmail(:,2) = coordmail(:,2)-p(2);
    % coordmail(:,3) = coordmail(:,3)-p(3);
    %
    % selct = [-.8*[Mz-mz];0;[Mx-mx]];
    % selct = selct/norm(selct);

    %Isom = find( coordmail*selct >= 0 );

    %%% Si interp sur toute la tete
    %Isom = (1:size(coordmail,1))';

    % if size(coordmail,1) > 10000
    %     hw = waitbar(0,'Please wait for color interpolation...');
    %     t0 = clock;
    % end

    % Wmat = spalloc(size(coordmail,1),nmes,size(coordmail,1)*4);
    % for i = 1:size(coordmail,1)
    %     dist = norlig(coordelec-ones(nmes,1)*[coordmail(i,:)]);
    %     [D Isort] = sort(dist);
    %     D = 1./(D(1:4)+eps);
    %     %   vertxcolor(i) = sum( D'.*data(Isort(1:4)))/S;
    %     Wmat(i,Isort(1:4)) = D./sum(D);
    %     if ~rem(i,1000) & exist('hw','var')
    %         waitbar(i/size(coordmail,1));
    %     end
    % end

    [vertxcolor, Wmat] = shepards(coordmail,coordelec,data,4);

    % if exist('hw','var')
    %     close(hw)
    %     etime(clock, t0)
    % end

    %vertxcolor = Wmat*data;

    if nargout > 1
        varargout{1} = Wmat;
    end

Produced by color_mat2html, a customized BrainStorm 2.0 (Alpha) version of mat2html on Tue Nov 2 16:17:59 2004
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