Area Plots
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Dear all,
I am using the code below to colour different areas of a plot. I have 2 questions: 1)I would however like to use shading that is not just solid colour. For example I would like to have a striped area.
2) I would like to remove the x and y axis ticks, but NOT the tick labels.
Does anyone know how I can do these things?
clear
p=0:0.001:0.25;
a1=p.^2;
p=0.251:0.001:0.5;
a2=(p-1/2).^2;
a=[a1 a2];
p=0:0.001:0.207;
b1=2*p.^2;
p=0.208:0.001:0.5;
b2=(p-1/2).^2;
b=[b1 b2];
c=b-a;
p=0:0.001:0.207;
d1=(p + (1 - 4*p).^(1/2)/2).^2/2;
p=0.208:0.001:0.5;
d2=(p-1/2).^2;
d=[d1 d2];
e=d-b;
f1=0.25-d1;
f2=0.25-b2;
f2(43:293)=0;
f=[f1 f2];
p=0:0.001:0.5;
Y=[a' c' e' f'];
h=area(p,Y);
set(h(1),'FaceColor',[0.098039 0.74118 0.81961]);
set(h(2),'FaceColor',[0.87059 0.56863 0.97647]);
set(h(3),'FaceColor',[0.97647 0.55686 0.84314]);
set(h(4),'FaceColor',[0.98431 0.41176 0.41176]);
set(gca,'xticklabel',[0 0.207 0.25 0.5],'yticklabel',[0 0.0625 0.086 0.125 0.25],'xtick',[0 0.207 0.25 0.5],'ytick',[0 0.0625 0.086 0.125 0.25])
xlabel('p')
ylabel('c')
Thanks,
David
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回答(1 个)
Daniel Shub
2012-4-28
I think the answer to both your questions is you cannot do it easily in MATLAB.
For the tick labels it is not so bad. You can use FEX: rotateXLabels, with no rotation to take care of the ugliness. Then you should be able to do
set(gca, 'XTick' []);
If you make any changes to your plot after then, the tick labels will be all screwed up.
If you really want to plot striped areas I would look at FEX: hatch. It is setup for bar graphs, but you might be able to learn something for the code and transfer it to area plots.
4 个评论
Daniel Shub
2012-4-28
@Walter, wow and wow. You should make these comments an answer, as it is much better than mine. Do you know if the FEX plt is at all similar to http://physionet.org/physiotools/plt/
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