MATLAB: Removing the grey margin of a plot

resize figure

Hi I'm doing an image analysis using matlab. I have a figure that I need to remove the grey margin and axes while keeping the original white plot area size constant and then save it as png. You can see the saved original png which I need to remove the axes and the margin but keeping the plot area size constant. p.s. I'm using R2017a version.

Best Answer

plot(peaks)
title('Plot of Peaks Function')
axis off
ax = gca;
outerpos = ax.OuterPosition;
ti = ax.TightInset; 
left = outerpos(1) + ti(1);
bottom = outerpos(2) + ti(2);
ax_width = outerpos(3) - ti(1) - ti(3);
ax_height = outerpos(4) - ti(2) - ti(4);
ax.Position = [left bottom ax_width ax_height];

Now save them using saveas

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MATLAB: How to remove the grey borders from the IMSHOW plot in MATLAB 7.4 (R2007a)

You can do this using the following set of commands:

imshow('board.tif')

This could be implemented as follows:

set(gca,'units','pixels') % set the axes units to pixels

x = get(gca,'position') % get the position of the axes
set(gcf,'units','pixels') % set the figure units to pixels
y = get(gcf,'position') % get the figure position
set(gcf,'position',[y(1) y(2) x(3) x(4)])% set the position of the figure to the length and width of the axes
set(gca,'units','normalized','position',[0 0 1 1]) % set the axes units to pixels

MATLAB: How to remove the border lines surrounding an axes

The ability to remove all of the border lines surrounding an axes is not available in MATLAB.

Depending on your application, you might be able to use one of the following options as a workaround:

1. You can change the 'XColor' and 'YColor' properties of the axes to match the color of the background of the figure. This makes the axis lines invisible against the figure background. You must also eliminate the tick marks and minor tick marks that extend into the axes. The easiest way to do this is to change their direction such that they point outward, as opposed to inward. For example:

hFig = figure;
plot(1:10)
color = get(hFig,'Color');
set(gca,'XColor',color,'YColor',color,'TickDir','out')

2. Make the axes invisible by setting the axes 'Visible' property to 'off'. For example:

plot(1:10)
set(gca,'Visible','off')

Best Answer

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MATLAB: How to remove the grey borders from the IMSHOW plot in MATLAB 7.4 (R2007a)

MATLAB: How to remove the border lines surrounding an axes

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