rose diagram

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Nicolas
Nicolas 2012-2-13
编辑： Cedric 2013-10-10
Hi,
I'm plotting rose diagrams using the function rose. I would like to have the outer circle of my rose diagram to be representative of the maximum value of the histogram.
However I found in the 'polar' function, those lines:
cax = newplot(cax);
next = lower(get(cax, 'NextPlot'));
hold_state = ishold(cax);
The maximum value is defined my 'maxrho' in the polar function, however the limits of my rose diagram are calculated using:
set(cax, 'DataAspectRatio', [1, 1, 1], 'PlotBoxAspectRatioMode', 'auto');
v = [get(cax, 'XLim') get(cax, 'YLim')];
The results is sometimes the limits (X and Y) equal the maximum value 'maxrho', but sometimes not.
I don't understand why it is not always selecting for the maximum value? Anyone could help me to change to fix it to maximum value?
Thank you very much

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回答（1 个）

C.J. Harris
C.J. Harris 2012-2-13
The workaround I use to get the correct limits set on a polar plot is to simply draw a circle at your desired maximum, and set to the plot colour to match your background. Obviously not the nicest solution, but should work if I understand your problem correctly.
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Nicolas
Nicolas 2012-2-13
Hi, thanks.
I did the same in the end and it's fine !

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