MATLAB: How to stop patches from covering axes and ticks

axescover uplimitspatchticks

Hello, I am trying to add vertical gray bars to a figure, and am using "patch" to do so. I have no issues creating the polygons, but they cover up the figure axis and ticks if the patch goes right to the edge/limits of the figure. I have searched around and haven't found a way around this, except for manually changing the limits of the patches to be ever-so-slightly less than the figure limits (which is very time-consuming). I want to either send the patch to the very back or bring the axes and ticks to the front so they aren't covered up by the patches. I am running R2016b. Any ideas? Thank you in advance!

Best Answer

set(gca, 'Layer', 'top')

... not difficult, but certainly not well known.

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MATLAB: White space at the beginning and ending of xaxis

axis(ax, 'tight')   % where ax is your axis handle.

will set the axis limits so the edges of the plot touch the max and min of your data.

After running that command, you can run the lines below to add +/- 5% of your data range to each side of the x and y axes.

xlim(ax, xlim(ax) + [-1,1]*range(xlim(ax)).* 0.05)
ylim(ax, ylim(ax) + [-1,1]*range(ylim(ax)).* 0.05)

If you only want to apply this to the x-axis limits,

yl = ylim(ax); 
axis(ax, 'tight')
ylim(ax, yl)
xlim(ax, xlim(ax) + [-1,1]*range(xlim(ax)).* 0.05)

MATLAB: 3-D Plot Covering Text

That can happen. text() is written into 3D space in a fixed location in data coordinates, and when you rotate, it is possible for the location to become hidden behind the object. That is expected to some degree: if you were to label cities on a globe then as you rotated the globe you would not typically want the cities "on the other side of the world" to have visible labels.

Reducing the alpha of the graphics object can reduce the problem, as then the graphics object does not hide the text as easily.

Sometimes, though, what you need is two or more axes, possibly linkaxes()'d, one containing the graphics and the one in front containing the text, since the one in front will overlay the one behind even through they are in the same data plane.

Or sometimes you should just use data tips.

Best Answer

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MATLAB: White space at the beginning and ending of xaxis

MATLAB: 3-D Plot Covering Text

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