ScalpPlot/demo.m at master · JasonJKi/ScalpPlot · GitHub

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% This script demonstrates headplot for simple interpolation.
setup install

% Load in demo data.
demoDataPath = 'res/demo_data.mat';
data = load(demoDataPath, 'scalActivity');
A = data.scalActivity(:,1); % Forward model.

% Set location file filepath.
locationFilepath = 'res/96_EEG.loc';

% Demonstration of customizable headplot.
figure(1);clf
plotHandle1 = subplot(2,3,1);
plotHandle2 = subplot(2,3,2);
plotHandle3 = subplot(2,3,3);
plotHandle4 = subplot(2,3,4);
plotHandle5 = subplot(2,3,5);
plotHandle6 = subplot(2,3,6);

% Instantiate the HeadPlot object using eeglab's readloc.
locationInfo = readLocationFile(LocationInfo(), locationFilepath);

% If using custom source positions
% locationInfo = setCarteisianCoorPos(LocationInfo(), xPos, yPos)
% locationInfo = setPolarCoorPos(LocationInfo(), theta, radius, isRadian)
% isRadian - boolean (true or false). Indicate true if theta is in radians.
% Default (False)

% Start ScalpPlot via setting location info of the scalp sources.
scalpPlot = ScalpPlot(locationInfo);

% Ex 1. Draw the default headplot in the first plot.
scalpPlot.setPlotHandle(plotHandle1); % Set plot handle and plot axes
scalpPlot.draw(A); % Draw headplot.
title('Ex 1: default headplot')

% Ex 2. Head plot with contours.
scalpPlot.setPlotHandle(plotHandle2); % Set plot handle and plot axes
scalpPlot.draw(A);
scalpPlot.drawHeadContour();
title('Ex 2: w/ contour')

% Ex 3. Head plot with value of source points.
scalpPlot.setPlotHandle(plotHandle3); % Set plot handle and plot axes
scalpPlot.draw(A);
scalpPlot.drawSourcePoints();
title('Ex 3: w/ source location')

% Ex 4. Head plot with specified values on selective source points.
scalpPlot.setPlotHandle(plotHandle4); % Set plot handle and plot axes
scalpPlot.draw(A);

symbolStr1 = '^';
symbolStr2 = 'x';
sourceIndex = (rand(1,96) > .5);
markerHandle1 = scalpPlot.drawOnElectrode(sourceIndex, symbolStr1, [.5 .5 0],[1 .5 0]); % plot on siginficnt points
markerHandle2 = scalpPlot.drawOnElectrode(~sourceIndex, symbolStr2, [0 .5 .5], [0 .5 1]); % plot on siginficnt points
handles = [markerHandle1 markerHandle2];
scalpPlot.drawMarkerLegend(handles, {'marker 1', 'marker 2'} ,'southwestoutside');
title('Ex 4: w/ specified source markers')

% Ex5. Head plot with specified colormap and axis.
scalpPlot.setPlotHandle(plotHandle5); % Set plot handle and plot axes
scalpPlot.draw(A);

colorMapVal = flipud(hot); % Assign colormap scale

maxVal = max(A); minVal = min(A); % Set color min and max values.
colorAxisRange = [minVal maxVal];
cAxis = [minVal, mean(A), maxVal];
cAxisTickLabel = {num2str(minVal, '%0.3f'), '\muV', num2str(maxVal,'%0.3f')};

scalpPlot.setColorAxis(colorAxisRange, colorMapVal); % Set color scale.
scalpPlot.drawColorBar(cAxis, cAxisTickLabel, 'southoutside');  % Draw color bar.

title('Ex 5: w/ colorbar and alternate color scale')

% Ex6. w/Everything
scalpPlot.setPlotHandle(plotHandle6); % Set plot handle and plot axes
scalpPlot.draw(A);
scalpPlot.drawHeadContour();
scalpPlot.drawSourcePoints();
markerHandle1 = scalpPlot.drawOnElectrode(sourceIndex, symbolStr1, [.5 .5 0],[1 .5 0]); % plot on siginficnt points
colorMapVal = flipud(parula); % Assign colormap scale
scalpPlot.setColorAxis(colorAxisRange, colorMapVal); % Set color scale.
scalpPlot.drawColorBar(cAxis, cAxisTickLabel, 'eastoutside');  % Draw color bar.
scalpPlot.drawMarkerLegend(markerHandle1, {'marker'} ,'southoutside');

title('Ex 6: w/ Everything')

print('output/demo','-dpng','-r0');