Create multiple x axis for pcolor plot
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I tried the method with http://au.mathworks.com/help/matlab/creating_plots/graph-with-multiple-x-axes-and-y-axes.html. However, it does not work for pcolor plot, as one of my x axis is the inverse of the other. I also have tried to used hold on and hold off, that went no where as well.
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Walter Roberson
2016-1-31
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Sam Lo
2016-1-31
Walter Roberson
2016-1-31
Sounds like the old frequency vs wavelength conversion. That should not be a problem.
For example,
c = 50;
x = sort(rand(1,75));
y = sin(x);
plot(x,y)
ax1 = gca;
minx = min(x);
maxx = max(x);
set(ax1,'xlim',[minx maxx])
ax1ylim = get(ax1, 'ylim');
ax2 = axes('Position', get(ax1,'Position'), 'xaxislocation', 'top', 'color', 'none');
set(ax2, 'xlim', [c./maxx c./minx], 'xdir', 'reverse', 'ytick', [], 'ylim', ax1ylim)
uistack(ax2, 'bottom')
Sending the second axis to the bottom is to prevent interference with any datatips.
The above code does not link the axes together for zooming or panning, and makes no attempt to create a combined datatip that shows both version of the x axis.
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2016-1-31
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