[Master Index] [Index for Toolbox]

# set_sourceviewing_parameters

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

### Function Synopsis

    varargout = set_sourceviewing_parameters(action,varargin)

### Help Text

    SET_SOURCEVIEWING_PARAMETERS - Application M-file for set_sourceviewing_parameters.fig
     function varargout = set_sourceviewing_parameters(action,varargin)

### Cross-Reference Information

This function calls

    bst_color_scheme                   C:\BrainStorm_2001\Toolbox\bst_color_scheme.m
    bst_imaging_display                C:\BrainStorm_2001\Toolbox\bst_imaging_display.m
    bst_layout                         C:\BrainStorm_2001\Toolbox\bst_layout.m
    bst_message_window                 C:\BrainStorm_2001\Toolbox\bst_message_window.m
    makeuswait                         C:\BrainStorm_2001\Toolbox\makeuswait.m
    smooth_cortex                      C:\BrainStorm_2001\Toolbox\smooth_cortex.m
    tessellation_handler               C:\BrainStorm_2001\Toolbox\tessellation_handler.m
    view3d                             C:\BrainStorm_2001\PublicToolbox\OtherTools\view3d.m

This function is called by

    dataplot_cb                        C:\BrainStorm_2001\Toolbox\dataplot_cb.m

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

    function varargout = set_sourceviewing_parameters(action,varargin)
    %SET_SOURCEVIEWING_PARAMETERS - Application M-file for set_sourceviewing_parameters.fig
    % function varargout = set_sourceviewing_parameters(action,varargin)

    %<autobegin> ---------------------- 26-May-2004 11:34:22 -----------------------
    % --------- Automatically Generated Comments Block Using AUTO_COMMENTS ---------
    %
    % CATEGORY: Visualization
    %
    % Alphabetical list of external functions (non-Matlab):
    %   publictoolbox\othertools\view3d.m
    %   toolbox\bst_color_scheme.m
    %   toolbox\bst_imaging_display.m
    %   toolbox\bst_layout.m
    %   toolbox\bst_message_window.m
    %   toolbox\makeuswait.m
    %   toolbox\smooth_cortex.m
    %   toolbox\tessellation_handler.m
    %
    % Subfunctions in this file, in order of occurrence in file:
    %   hCurrPatch = get_current_patch
    %
    % Application data and their calls in this file:
    %   'OriginalVertices'
    %   'TessHandles'
    %   'TileType'
    %
    %   setappdata(ParamFig,'TileType','Tile')
    %   setappdata(hParam.CurrentTessellation,'TessHandles',TessHandles)
    %   setappdata(hPatch,'OriginalVertices',FV.vertices)
    %
    %   TessHandles = getappdata(hFig.CurrentTessellation,'TessHandles')
    %   set(hPatch,'Vertices',getappdata(hPatch,'OriginalVertices'))
    %
    % Figure Files opened by this function:
    %   'set_sourceviewing_parameters.fig'
    %
    %   Format of strings below: Type:Style:Tag, "String", CallBack Type and Call
    %   <automatic> callback is <Tag>_Callback by Matlab default
    %
    % Callbacks by figure set_sourceviewing_parameters.fig
    %   uicontrol:edit:currDensityTruncateEdit "50" uses Callback for
    %     set_sourceviewing_parameters currDensityTruncate
    %   uicontrol:edit:editIterations "10" uses Callback for set_sourceviewing_parameters SmoothSurface
    %   uicontrol:popupmenu:CurrentTessellation "<None available>" uses Callback for
    %     set_sourceviewing_parameters CurrentTessellation
    %   uicontrol:popupmenu:CutPlane "Top" uses Callback for set_sourceviewing_parameters CutPlane
    %   uicontrol:popupmenu:Lighting "None" uses Callback for set_sourceviewing_parameters Lighting
    %   uicontrol:pushbutton:pushbutton10 "Add" uses Callback for set_sourceviewing_parameters AddLight
    %   uicontrol:pushbutton:pushbutton11 "Remove" uses Callback for
    %     set_sourceviewing_parameters RemoveLight
    %   uicontrol:pushbutton:pushbutton13 "Go" uses Callback for
    %     set_sourceviewing_parameters SmoothSurface
    %   uicontrol:pushbutton:Qpushbutton7 "Close" uses Callback for close(gcbf)
    %   uicontrol:pushbutton:ResetSurface "Reset" uses Callback for
    %     set_sourceviewing_parameters ResetSurface
    %   uicontrol:pushbutton:togglebutton4 "Tessellation Handler" uses Callback for
    %     set_sourceviewing_parameters CallTessellationHandler
    %   uicontrol:slider:anatTransparency "" uses Callback for
    %     set_sourceviewing_parameters anatTransparency
    %   uicontrol:slider:currDensityTruncateSlider "" uses Callback for
    %     set_sourceviewing_parameters currDensityTruncate
    %   uicontrol:slider:CurvatureThresholdSlider "" uses Callback for
    %     set_sourceviewing_parameters CurvatureThreshold
    %   uicontrol:slider:SmoothSurface "" uses Callback for set_sourceviewing_parameters SmoothSurface
    %   uicontrol:slider:SurfaceOpacity "" uses Callback for set_sourceviewing_parameters SurfaceOpacity
    %   uicontrol:togglebutton:AddColorbar "Colorbar" uses Callback for
    %     set_sourceviewing_parameters AddColorbar
    %   uicontrol:togglebutton:OrthViews "Orth. Views" uses Callback for
    %     set_sourceviewing_parameters OrthViews
    %   uicontrol:togglebutton:ShowCurvature "Show" uses Callback for
    %     set_sourceviewing_parameters MapCurvature
    %   uicontrol:togglebutton:SurfaceColorPick "Color Pick" uses Callback for
    %     set_sourceviewing_parameters('SurfaceColorPick')
    %   uicontrol:togglebutton:togglebutton2 "Normalize" uses Callback for
    %     set_sourceviewing_parameters NormalizeColorMap
    %
    % At Check-in: $Author: Mosher $  $Revision: 20 $  $Date: 5/26/04 10:02a $
    %
    % 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 11:34:22 -----------------------

    % /---Script Authors-------------------------------------\
    % |  *** Sylvain Baillet, Ph.D.                          |
    % |  Cognitive Neuroscience & Brain Imaging Laboratory   |
    % |  CNRS UPR640 - LENA                                  |
    % |  Hopital de la Salpetriere, Paris, France            |
    % |  sylvain.baillet@chups.jussieu.fr                    |
    % |                                                      |
    % |  *** John C. Mosher, Ph.D.                           |
    % |  Biophysics Group                                    |
    % \------------------------------------------------------/
    %
    % Date of creation: May 2002

    % Script History -----------------------------------------
    %---------------------------------------------------------

    global data % Get informations from the main Viewer window

    switch(action)

    case 'create' % Create display-parameter window

        ParamFig = openfig('set_sourceviewing_parameters.fig','reuse');
        setappdata(ParamFig,'TileType','Tile')
        bst_color_scheme(ParamFig);
        bst_layout('align',ParamFig,2,2,4);

        % Fill out pull-down menu with surface names
        TessName{1} = data.Results.Display.SurfaceName;
        % Associate handle to each entry of pull-down for fast access to object
        TessHandles(1) = data.Results.Display.Handles.hPatch;
        try
            if ishandle(data.Results.Display.Handles.TopoPlot(1).surf{1}) % CHEAT - one modality, one dataset
                TessName{2} = data.Results.Display.Handles.TopoPlot(1).SurfaceName{1};
                TessHandles(2) = data.Results.Display.Handles.TopoPlot(1).surf{1};
            end
        catch
            % do nothing (error occurs when no scalp plot has been required)
        end

        hParam = guihandles(ParamFig);

        set(hParam.CurrentTessellation,'String',TessName)
        setappdata(hParam.CurrentTessellation,'TessHandles',TessHandles) % Store for future reference

        set(ParamFig,'Visible','on')

    case 'SurfaceColorPick' % Pick 2 new colors for surface curvature

        OPTIONS = data.Results.Display.OPTIONS;
        OPTIONS.hPatch = data.Results.Display.Handles.hPatch;

        OPTIONS.CurvatureColor1 = uisetcolor(OPTIONS.CurvatureColor1, 'Pick first color for curvature mapping');
        OPTIONS.CurvatureColor2 = uisetcolor(OPTIONS.CurvatureColor2, 'Pick second color for curvature mapping');

        if ~ishandle(data.Results.Display.Handles.hPatch) % Is the patch surface still there ?
            return % no, do nothing
        end

        if ~isfield(OPTIONS,'Curvature') % Curvature was not computed yet
            [PlotHandles,OPTIONS] = ...
                bst_imaging_display(data.Results.Display.Figure,OPTIONS.ImageGrid,data.Results.ImageGridAmp,OPTIONS);
        else
            [tmp,OPTIONS] = bst_imaging_display(data.Results.ImageGridAmp,OPTIONS); clear tmp
            data.Results.Display.OPTIONS = OPTIONS;
        end

    case 'AddLight' % Add a camlight to the surface display window
        figure(data.Results.Display.Handles.Figures.Surfaces)
        if isempty(data.Results.Display.Handles.Figures.Surfaces)
            return
        end
        h = camlight('headlight');
        set(h,'color','w'); % mute the intensity of the lights
        data.Results.Display.Handles.hLights = [data.Results.Display.Handles.hLights,h]; % Store last light object to list
        view3d rot;

    case 'RemoveLight' % Remove last camlight

        figure(data.Results.Display.Handles.Figures.Surfaces)
        if isempty(data.Results.Display.Handles.Figures.Surfaces)
            return
        end
        if ~isempty(data.Results.Display.Handles.hLights) % Is there is still some light here ?
            if ishandle( data.Results.Display.Handles.hLights(end) ),
                delete(data.Results.Display.Handles.hLights(end));
            end
            if length( data.Results.Display.Handles.hLights ) > 1
                data.Results.Display.Handles.hLights =...
                    [data.Results.Display.Handles.hLights(1:end-1)];
            else
                data.Results.Display.Handles.hLights = [];
            end
        end
        view3d rot;

    case 'Lighting' % Alter lighting properties of the display

        figure(data.Results.Display.Handles.Figures.Surfaces)
        if isempty(data.Results.Display.Handles.Figures.Surfaces)
            return
        end
        fighandles = guihandles(gcbf);
        tmp = get(fighandles.Lighting,'String');

        try
            set(findobj(data.Results.Display.Handles.Figures.Surfaces,'type','patch'),'edgelighting',tmp{get(fighandles.Lighting,'Value')},...
                'facelighting',tmp{get(fighandles.Lighting,'Value')})

        catch
            if ~isempty(findstr(tmp{get(fighandles.Lighting,'Value')},'Flat'))
                set(findobj(data.Results.Display.Handles.Figures.Surfaces,'type','patch'),...
                    'facecolor','flat')
            else
                set(findobj(data.Results.Display.Handles.Figures.Surfaces,'type','patch'),...
                    'facecolor','interp')
            end

        end

    case 'ToggleButtonColor' % Turn bi-stable buttons in green when selected

        Green = [.66 1 .43]; % 'selected' color
        Dark = [.4 .4 .4]; % 'unselect' color

        if nargin == 1
            handle = get(gcbf,'CurrentObject');
        else
            handle = varargin{1};
        end

        if get(handle,'Value')
            set(handle,'Backgroundcolor',Green,'Foregroundcolor',Dark)
        else
            set(handle,'Backgroundcolor',Dark,'Foregroundcolor','w')
        end

    case 'MapCurvature' % Map curvature of cortical surface on/off

        % Get current patch
        hCurrPatch = get_current_patch;

        eval([mfilename,' ToggleButtonColor']) % Toggle selected button on/off
        if ~ishandle(data.Results.Display.Handles.hPatch) % Is the patch surface still there ?
            return % no, do nothing
        end

        OPTIONS = data.Results.Display.OPTIONS;
        OPTIONS.hPatch = data.Results.Display.Handles.hPatch;

        switch get(gcbo,'Value')
        case 1 % Turn curvature on
            OPTIONS.MapCurvature = 1;
            bst_message_window({...
                    ' ',...
                    'Surface Curvature: ON'})
        case 0
            OPTIONS.MapCurvature = 0;
            bst_message_window({...
                    ' ',...
                    'Surface Curvature: OFF'})
        end

        if ~isfield(OPTIONS,'Curvature') % Curvature was not computed yet
            [PlotHandles,OPTIONS] = ...
                bst_imaging_display(data.Results.Display.Figure,OPTIONS.ImageGrid,data.Results.ImageGridAmp,OPTIONS);
        else
            [tmp,OPTIONS] = bst_imaging_display(data.Results.ImageGridAmp,OPTIONS); clear tmp
            data.Results.Display.OPTIONS = OPTIONS;
        end

    case 'anatTransparency' % Alter transparency properties of current map on top of anatomy
        fighandles = guihandles(gcbf);
        transVal = get(fighandles.anatTransparency,'Value'); % Get value from slider
        % Alter transparency parameter
        data.Results.Display.OPTIONS.currDensityTransparency = transVal;
        makeuswait('start')
        [tmp,OPTIONS] = bst_imaging_display(data.Results.ImageGridAmp,data.Results.Display.OPTIONS); clear tmp
        makeuswait('stop')

    case 'currDensityTruncate' % Truncate current density map in % of maximum amplitude

        makeuswait('start')
        fighandles = guihandles(gcbf);
        CDThreshold = get(fighandles.currDensityTruncateSlider,'Value'); % Get value from slider
        % Alter truncate parameter
        data.Results.Display.OPTIONS.CDThreshold = CDThreshold;
        set(fighandles.currDensityTruncateEdit,'String',CDThreshold*100)
        [tmp,OPTIONS] = bst_imaging_display(data.Results.ImageGridAmp,data.Results.Display.OPTIONS); clear tmp
        makeuswait('stop')

    case 'NormalizeColorMap' % Switch from absolute and relative colormap

        makeuswait('start')
        eval([mfilename,' ToggleButtonColor']) % Toggle selected button on/off
        if ~ishandle(data.Results.Display.Handles.hPatch) % Is the patch surface still there ?
            return % no, do nothing
        end

        switch get(gcbo,'Value')
        case 1 % Normalize color scale
            bst_message_window({...
                    ' ',...
                    'Current density color mapping: Normalized'})

            data.Results.Display.OPTIONS.ColorMapping = 'normalized';
            [tmp, data.Results.Display.OPTIONS] = ...
                bst_imaging_display(data.Results.ImageGridAmp,data.Results.Display.OPTIONS); clear tmp

        case 0 % Absolute color mapping over entire time window

            OPTIONS.MapCurvature = 0;
            bst_message_window({...
                    ' ',...
                    'Current density color mapping: Relative'})

            data.Results.Display.OPTIONS.ColorMapping = 'relative';
            [tmp, data.Results.Display.OPTIONS] = ...
                bst_imaging_display(data.Results.ImageGridAmp,data.Results.Display.OPTIONS); clear tmp

        end

        makeuswait('stop')

    case 'SurfaceOpacity' % Change transparency properties of current surface

        fighandles = guihandles(gcbf);
        alpha = get(fighandles.SurfaceOpacity,'Value'); % Alpha value to be applied to current surface

        hPatch = get_current_patch;%data.Results.Display.Handles.hPatch;

        makeuswait('start')
        set(hPatch,'FaceVertexAlpha',alpha,'facealpha','flat')
        data.Results.Display.OPTIONS.FaceVertexAlpha = alpha;
        makeuswait('stop')

    case 'SmoothSurface' % Smooth selected tessellated surface using Pantazis routine

        fighandles = guihandles(gcbf);
        alpha = get(fighandles.SmoothSurface,'Value'); % Smoothing constant / Get value from slider
        nIterations = round(str2num(get(fighandles.editIterations,'String')));

        %hPatch = data.Results.Display.Handles.hPatch;
        hPatch = get_current_patch;%data.Results.Display.Handles.hPatch;
        FV.vertices = get(hPatch,'Vertices');
        FV.faces = get(hPatch,'Faces');

        makeuswait('start')
        [smoothedFV,A] = smooth_cortex(FV,data.Results.Display.OPTIONS.VertConn,alpha,nIterations);

        % Apply and Store original vertices locations in userdata of patch object (see ResetSurface)
        if ~isappdata(hPatch,'OriginalVertices');
            setappdata(hPatch,'OriginalVertices',FV.vertices)
        end
        set(hPatch,'Vertices',smoothedFV.vertices)
        makeuswait('stop')

    case 'ResetSurface' % Back to original non-smoothed surface

        hPatch = get_current_patch;%data.Results.Display.Handles.hPatch;
        makeuswait('start')
        set(hPatch,'Vertices',getappdata(hPatch,'OriginalVertices')) % original vertices were stored in smoothed patch UserData
        makeuswait('stop')

    case 'CurvatureThreshold' % Change color threshold for mapping of convex vs. concave surface areas

        fighandles = guihandles(gcbf);
        data.Results.Display.OPTIONS.CurvatureThreshold = get(fighandles.CurvatureThresholdSlider,'Value'); %Get value from slider
        % Update display
        makeuswait('start')
        [tmp,OPTIONS] = bst_imaging_display(data.Results.ImageGridAmp,data.Results.Display.OPTIONS); clear tmp
        makeuswait('stop')

    case 'CallTessellationHandler'

        tessellation_handler

    end

    % --------------------------------------------------------------------
    function hCurrPatch = get_current_patch
    % Return handle to current patch selected in pulldpwn menu (e.g. cortex or scalp)
    hFig = guihandles(gcbf);
    TessHandles = getappdata(hFig.CurrentTessellation,'TessHandles') ;
    iTess = get(hFig.CurrentTessellation,'Value');
    hCurrPatch = TessHandles(iTess);

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