MATLAB: FontSize for the image’s legend

fontimage processingImage Processing Toolboxsize;

I have the following code:
    X = 0:pi/100:0.25*pi;
    Y1 = sin(X);
    Y2 = cos(X);
    Y3 = tan(X);
    fh = figure('toolbar','none','menubar','none','Units','characters');
    Pan1 = uipanel(fh,'Units','normalized','Position',[0 0 0.5 1],'title',...
      'Panel1');
    Pan2 = uipanel(fh,'Units','normalized','Position',[0.5 0 0.5 1],'title',...
      'Panel2');
    haxes = axes('Parent',Pan2,'Units', 'normalized','Position',...
    [0.125 0.1 0.75 0.75]);
    hplot = plot(haxes,X,Y1,X,Y2,X,Y3);
    xlabel(haxes,'Time (second)');
    ylabel(haxes,'Amplitude (meter)');
    title(haxes,'Trigonometric functions');
    Ley = {'Sine function','Cosine function','Tangent function'}; %# legend's strings values
    legend(haxes,Ley,'Location','SouthOutside');
    [FileName,PathName,FilterIndex] = uiputfile('*.bmp;*.png;*.jpg;*.tif','Save as');
    ftmp = figure('Menu','none','Toolbar','none','Units','normalized',...
      'Position',[-1000 -1000 1 1]);
    set(gcf,'PaperPositionMode','auto');
    set(gcf,'InvertHardcopy','off');
    new_axes = copyobj(haxes, ftmp);
    legend(new_axes,Ley,'Location','SouthOutside','FontSize',8);
    set(new_axes,'Units','normalized','Position',[0.1 0.1 0.8 0.8]);
    fmtgraf = {'-dbmp','-dpng','-djpeg','-dtiff'};
    fmt = fmtgraf{FilterIndex};
    print(ftmp,fmt,FileName,'-r0');
    delete(ftmp);
    delete(fh);
As seen in the code, the command line
legend(new_axes,Ley,'Location','SouthOutside','FontSize',8);
is run before the command line
     set(new_axes,'Units','normalized','Position',[0.1 0.1 0.8 0.8]);
Because of it, the image appears cutted by its low part as seen here (independently of the existence or no existence of the property/value 'FontSize')
If the command line
     legend(new_axes,Ley,'Location','SouthOutside','FontSize',8);
is run after the command line
     set(new_axes,'Units','normalized','Position',[0.1 0.1 0.8 0.8]);
now the image is cutted by its low part but in this case it is not seen neither the xlabel text nor the legend box (as seen here)
If `'FontSize',8` is suppressed, all is Ok. How can I fix this if I want that the legend to have a lesser size?

Best Answer

If I understand correctly. You set the legend to be outside the figure, then set its text size, and then rescale the axis.
legend(haxes,Ley,'Location','SouthOutside');
legend(new_axes,Ley,'Location','SouthOutside','FontSize',8);
set(new_axes,'Units','normalized','Position',[0.1 0.1 0.8 0.8]);
You are now upset that 0.1 normalized units does not provide enough space for a legend with 8 point font. There simply is not enough space to position everything optimally. What do you want MATLAB to do? Have you tried
set(new_axes,'Units','normalized','Position',[0.4 0.4 0.2 0.2]);
You might want to try one of the legend function on the FEX. Maybe http://blogs.mathworks.com/pick/2011/02/11/create-multi-column-plot-legends/
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