Plot with two different x-axix
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Hello,
I have to plot two different values over a certain depth. Those two values have very different ranges, so I would like one of them (k1) to have its x axis at the top, and the other(NESPN1) its x axix on the bottom. I have tried the mathworks page on double x axis, but it won't work. Can you please help me?
if true
figure
plot(k1,Depth1)
ax1.XColor = 'r';
ax1.YColor = 'r';
ax1_pos = ax1.Position; % position of first axes
ax2 = axes('Position',ax1_pos,...
'XAxisLocation','top',...
'YAxisLocation','left',...
'Color','none');
plot(NESNP1,Depth1,'Parent',ax2,'Color','k')
set(gca,'Ydir','reverse')
end
3 commentaires
Guillaume
le 2 Mai 2018
@Jonas, answers go in the answer box, not as comments to the question. This is better for you as you can get any credit for comments.
Réponse acceptée
jonas
le 2 Mai 2018
Try this.
clear all;close all
figure;
h=plot(k1,Depth1)
ax1=gca
ax1.XColor = 'r';
ax1.YColor = 'r';
ax1_pos = ax1.Position; % position of first axes
ax2 = axes('Position',ax1_pos,...
'XAxisLocation','top',...
'YAxisLocation','left',...
'Color','none');
plot(NESNP1,Depth1,'Parent',ax2,'Color','k')
set(gca,'Ydir','reverse')
set(ax2,'XAxisLocation','top')
set(ax1,'Ytick',[])
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Guillaume
le 2 Mai 2018
Other than the issue with the undefined axis that Jonas answered, it seems that you don't know the correct syntax for plot. If I understood correctly, you're plotting against depth. Hence Depth1 should be the first argument to plot not the second. Overall:
figure;
plot(Depth1, k1);
ax1 = gca;
ax2 = axes('Position', ax1.Position, 'XAxisLocation', 'top', 'YAxisLocation', 'left');
plot(Depth1, NESNP1, 'Parent', ax2, 'Color', 'k');
ax2.Color = 'none';
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