Break in the axis

Question

Niles Martinsen 2012-7-2

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编辑： Walter Roberson 2024-5-4

Hi

I have a plot of data points (x, y). The issue is that one of the first data points has a very large amplitude, whereas the rest of the data points have very small magnitudes. So what I thought that I wanted to do is to make a "cut" in the y-axis, such that it goes from 0..1 and then skips to 100..105. Perhaps with a mark such as this "----//----" in between.

Is that possible in MatLAB?

Best, Niles.

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Daniel Shub 2013-8-1

You may not want to do that: http://peltiertech.com/WordPress/broken-y-axis-in-excel-chart/

Lea 2024-5-4

https://nl.mathworks.com/matlabcentral/answers/42537-break-in-the-axis

yanan Liu found a very good code for it!

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Answer 1

Thomas 2012-7-2

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编辑：Thomas 2012-7-2

Couple of file exchange contributions

Breakaxis

http://www.mathworks.com/matlabcentral/fileexchange/3668-breakaxis

BreakPlot

http://blogs.mathworks.com/pick/2008/11/21/breaking-a-plot-to-improve-visualization/#3 http://www.mathworks.com/matlabcentral/fileexchange/21864-breakplot

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Sean de Wolski 2012-7-2

Nice find!

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Answer 2

yanan LIU 2020-2-29

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在 MATLAB Online 中打开

There is no direct function as I know.

But you can try to plot the double line on your figure.

for example,

x=1:10;
y=sin(x);
plot(x,y,'k*-','LineWidth',1.5,'MarkerSize',8);
axes('Position',[.1 .78 .05 .05]);
px=[1 5];
py1=[1 2];
height=1;
py2=py1+height;
plot(px,py1,'k','LineWidth',2);hold all;
plot(px,py2,'k','LineWidth',2);hold all;
fill([px flip(px)],[py1 flip(py2)],'w','EdgeColor','none');
box off;
axis off;

Then you can get the follow figure.

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Answer 3

Peter 2013-8-1

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Also, check out my file exchange contribution.

http://www.mathworks.com/matlabcentral/fileexchange/42905-break-x-axis

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Answer 4

Philippe Lebel 2018-8-22

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编辑：Walter Roberson 2024-5-4

https://www.mathworks.com/matlabcentral/fileexchange/3683-breakxaxis

It does EXACTLY what you want to do.

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Walter Roberson 2018-8-22

That's what Thomas suggested 6 years ago.

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Answer 5

Lea 2024-5-4

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Building on Yanan LIU's contribution, I explained it more and this is for a break in the x axis.

%Here, Yanan allows us to choose the location of the break. In Yanan's
%code, it is on the y axis, here it is on the x axis (done by changing the
%two first numerical values). Axes basically creates a new very small plot
%(0.05*0.05) at (0.8,0.175).
axes('Position',[.8 .175 .05 .05]);
%this code forms the rectangle for the break sign on the axis itself. px
%defines the x values of the rectangle, py1 from the bottom and py2 from
%the top. height specifies the height of the rectangle.
px=[1 2];
py1=[1 2];
height=0.5;
py2=py1+height;
%'k', the black outer lines are drawn, one with each plot.
plot(py1,px,'k','LineWidth',2);hold all;
plot(py2, px, 'k','LineWidth',2);hold all;
%%Here, the rectangle is filled with white, 'w'
fill([py1 flip(py2)],[px flip(px)],'w','EdgeColor','none');
box off;
%remove the axis labels for the small axes we made, so that you only have
%the lines and the white filling
axis off;