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# carto_sensors

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

### Function Synopsis

    [x,y,xi,yi,sensors,tetep] = carto_sensors(Rcoils,v);

### Help Text

    CARTO_SENSORS - (Rcoils,v);
     function [x,y,xi,yi,sensors,tetep] = carto_sensors(Rcoils,v);
     Mapping of data topography on the sensors head shape
     Rcoils - a Nx3 matrix containing the locations of the sensors
     v - a Nx1 vector data vector for mapping

     /---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                     |
     \------------------------------------------------------/

     Date of creation: January 2001
     Date of modification: July 2001
    ---------------------------------------------------------------------------------------------------------------------------

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

    function [x,y,xi,yi,sensors,tetep] = carto_sensors(Rcoils,v);
    %CARTO_SENSORS - (Rcoils,v);
    % function [x,y,xi,yi,sensors,tetep] = carto_sensors(Rcoils,v);
    % Mapping of data topography on the sensors head shape
    % Rcoils - a Nx3 matrix containing the locations of the sensors
    % v - a Nx1 vector data vector for mapping
    %
    % /---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                     |
    % \------------------------------------------------------/
    %
    % Date of creation: January 2001
    % Date of modification: July 2001
    %---------------------------------------------------------------------------------------------------------------------------

    %<autobegin> ---------------------- 26-May-2004 11:29:52 -----------------------
    % --------- Automatically Generated Comments Block Using AUTO_COMMENTS ---------
    %
    % CATEGORY: Forward Modeling
    %
    % At Check-in: $Author: Mosher $  $Revision: 12 $  $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 11:29:52 -----------------------

    N = 100; % Grid finesse for color interpolation

    x = Rcoils(:,1);
    y = Rcoils(:,2);
    z = Rcoils(:,3);

    [xi,yi] = meshgrid(linspace(min(x),max(x),N),linspace(min(y),max(y),N));
    zi = griddata(x,y,z,xi,yi);
    tri = delaunay(xi,yi);
    Vp = griddata(x,y,v,xi,yi,'invdist');

    XT = 1.05*[x y z];

    %%% VISU DES CAPTEURS
    for i = 1:length(v)
       sensors=plot3(XT(i,1),XT(i,2),XT(i,3),'o');
       set(sensors,'markerfacecolor',[.2 1 .2],'markersize',3)
       hold on
    end

    maxx = max(max(Vp));
    minn = min(min(Vp));

    MAX = max([abs(minn),maxx]);

    %%%%%%%%%%%%%%%%%%%%%%%%

    tetep  = trisurf(tri,xi,yi,zi,Vp);
    set(tetep,'facecolor','interp');
    set(tetep,'edgecolor','none');

    caxis([-max(abs(v)),max(abs(v))])

    axis equal
    axis off
    view(0,90)

    if isempty(findobj(gcf,'Tag','colormap'))
       C = [flipud(fliplr(hot(128)));hot(128)];
       if 0
          n = size(C,1);
          h = axes;
          set(h,'units','normal','position',[1/4 1/25 1/2 1/20],'ycolor','k','Tag','colormap');
          h1 = pcolor(linspace(-maxx,maxx,n),0:1,[1:n;1:n]);
          set(h,'fontsize',7,'ycolor','k','Yticklabel',[]);
          set(h1,'Tag','colormap')
       end

       colormap(C)
       shading interp
       hold off
    end

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