Size plot and legend position programmatically for publication

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Daniel Rowe 2023-6-19

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https://ww2.mathworks.cn/matlabcentral/answers/1985039-size-plot-and-legend-position-programmatically-for-publication

编辑： dpb 2023-6-19

Preparing a plot for a publication is far from trivial as I've learned over the past couple of days, so I was hoping for some help. There are three things I would like help with:

Size plot acccording to journal requirements
Programmatically position the legend outside of the plot (in the 'southoutside' position, centre aligned) without the plot obscuring the legend. Note if I use 'southoutside', the legend does not centre align, hence why I have not used it below
Print image in accordance with sizing requirements

For reference, I am seeking to size the figure 84 mm x 84 mm to satisfy the requirements for Springer Guidelines for Illustrations

Here is a much simplified version of some code to demonstrate my issue:

% Inputs

x_pos = [2.5,5,7.5];

depth_0 = [0,0,0];

depth_nom = [-0.0038 -0.0035 -0.004];

set(0,'DefaultFigureWindowStyle','normal')

set(0,'defaulttextinterpreter','latex')

set(0,'DefaultLegendInterpreter','latex')

set(0,'defaultAxesTickLabelInterpreter','latex');

h(1) = figure;

% Plot

plot(x_pos,depth_0,'marker','o','MarkerFaceColor','r','MarkerEdgeColor','r','MarkerSize',1)

hold on

plot(x_pos,depth_nom,'marker','o','MarkerSize',1)

% Figure properties

h(1).Units = 'centimeters';

h(1).Position(3) = 8.4;

h(1).Position(4) = h(1).Position(4); % aspect ratio 1:1

FontSize = 12;

set(h(1).Children, 'FontSize', FontSize);

axis square

axis tight

xlim([0 10])

xticks([0:2.5:10])

ylim([-0.025 0.025])

yticks(-0.025:.025:.025)

ylabel('$\eta$ [m]')

xlabel('$x$ [m]')

legendWidth = .3; legendHeight = .3; legendX0 = .5-(legendWidth/2); legendY0 = .0001; % legend sizing (normalised)

set(gca,'LooseInset',max(get(gca,'TightInset'), 0.02)) % remove unnecessary white space

% Get the object handles

haxis = get(h(1),'CurrentAxes');

set(haxis, 'Units', 'centimeters')

% Set the figure size and position

pos = get(h(1), 'Position');

outerpos = get(haxis, 'OuterPosition');

set(haxis, 'OuterPosition',[0, 0, outerpos(3), outerpos(4)]);

set(h(1), 'Position', [pos(1), pos(2), outerpos(3), outerpos(4)]);

% Paper position in the eps

set(h(1), 'PaperPositionMode', 'auto');

% Legend

leg = legend('Zero flow','$U_{0}$','FontSize',FontSize,'NumColumns',2,'AutoUpdate','off');

legend boxoff

set(leg, 'Position', [legendX0, legendY0, legendWidth,legendHeight])

exportgraphics(figure(1), 'test.pdf', 'ContentType', 'vector');

My preference is to do this programmatically rather than manually sizing and positioning the figure properties.

When I insert the printed image into my Latex document, it is categorically not 84 mm wide to fit a single column.

I have tried a few of the functions on File Exchange ('Export Fig' - doesn't print pdfs in 2021b; 'Pro Plot' - doesn't deal with legends outside of the plot; fig- the exact figure size and no white space' - didn't resolve my issues)

I'd be very grateful for any help. Thank you.

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dpb 2023-6-19

编辑：dpb 2023-6-19

在 MATLAB Online 中打开

You're writing the legend on top of the xlabel position for starters by not letting the axes resize to make room for it.

If I just use

hLg=legend('Zero flow','$U_{0}$','FontSize',FontSize,'NumColumns',2,'Location','southoutside');

it looks pretty good to me and centered on the axes of the figure. Personally, I think that would look better than trying to center it on the whole figure.

I know there have been issues with printing to size for since forever; I've never had the need, thankfully, my publication days were too far in the past to submit electronically.

Daniel Rowe 2023-6-19

Thanks for your response. To be clear, the issue was slightly conflated if the screen was docked and I manually adjusted the legend position, which led to the plot auto resizing. Anyway, since then, I discovered that by changing the 'DataAspectRatioMode' attribute to 'manual', the auto-resizing is switched off, furthermore, I gave up with the legend outside of the plot and reverted to 'Location','best' as this seems more robust.

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