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CAP_Toolbox/Plotting/Create_CAP_colorbar.m
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Create_CAP_colorbar.m
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%% Creates a nice looking colorbar for the CAP display
function [Ah,h] = Create_CAP_colorbar(absmin,absmax,absstep,colT,lab,Ah,Ori,CB1,CB2,n_steps)
H_range = [absmin absmax]; % The colormap is symmetric around zero
% Set the Min/Max T-values for alpha coding
A_range = [0 1];
% Set the labels for the colorbar
hue_label = lab;
colrange = linspace(absmin,absmax,256);
switch Ori
case 'Horizontal'
y = linspace(A_range(1), A_range(2), 256);
% x represents the range in alpha (abs(t-stats))
x = linspace(H_range(1), H_range(2), 256);
% y represents the range in hue (beta weight difference)
[X,Y] = meshgrid(x,y); % Transform into a 2D matrix
h=imagesc(x,y,X,'Parent',Ah);
axis(Ah,'xy'); % Plot the colorbar
set(Ah, 'Xcolor', 'k', 'Ycolor', 'k','YTickLabel','','YTick',[],'XTick',absmin:absstep:absmax,'FontSize',8);
set(Ah, 'XAxisLocation', 'bottom');
xlabel(Ah,hue_label,'FontSize',8);
A = ones(size(X));
A(abs(X) < colT) = 0;
A = reshape(A,256,256);
case 'Vertical'
x = linspace(A_range(1), A_range(2), 256);
% x represents the range in alpha (abs(t-stats))
y = linspace(H_range(1), H_range(2), 256);
% y represents the range in hue (beta weight difference)
[X,Y] = meshgrid(x,y); % Transform into a 2D matrix
h=imagesc(x,y,Y,'Parent',Ah);
axis(Ah,'xy'); % Plot the colorbar
set(Ah, 'Xcolor', 'k', 'Ycolor', 'k','XTickLabel','','XTick',[],'YTick',absmin:absstep:absmax,'FontSize',8);
set(Ah, 'YAxisLocation', 'right');
ylabel(Ah,hue_label,'FontSize',8);
A = ones(size(Y));
A(abs(Y) < colT) = 0;
A = reshape(A,256,256);
end
tmp_cmap = cbrewer(CB1,CB2,n_steps);
colormap(Ah,flipud(tmp_cmap));
set(h,'AlphaData',A);
end
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