Line plot for 2 X-axis and 2 Y-axis in a single figure
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M Fahd
el 29 de En. de 2019
Comentada: M Fahd
el 30 de En. de 2019
Hi,
I am trying to plot X-Y graph(s) in a single figure with primary X-Y and secondary X-Y options. I have found (and editted) the following code for this purpose. However, it produces an offset in the secondary X & Y axis (see the attached figure arrows). Would really appreciate if someone can help me get rid of this issue. Thanks in advance.
clear
clc
close all
% Relevant to Primary X-Y axis
x1 = 0:.1:40;
y1 = 4.*cos(x1)./(x1+2);
y2 = 8.*cos(x1)./(x1+2);
% Relevant to Secondary X-Y axis
x2 = 1:.2:20;
y3 = x2.^2;
y4 = 1.25*(x2.^2);
% Plots in Primary X and Y axis
hl1 = line(x1,y1,'Color','r');
hl2 = line(x1,y2,'Color','g');
ax1 = gca;
set(ax1,'XColor','k','YColor','k', 'TickDir','out')
axis square
xlabel ('Primary X_{axis} (unit)')
ylabel ('Primary Y_{axis} (unit)')
% Plots in Secondary X and Y axis
ax2 = axes('XAxisLocation','top', 'YAxisLocation','right', 'Color','none',...
'XColor','k','YColor','k', 'TickDir','out');
hl3 = line(x2,y3,'Color','k','Parent',ax2);
hl4 = line(x2,y4,'Color','b','Parent',ax2);
axis square
xlabel ('Secondary X_{axis} (unit)')
ylabel ('Secondary y_{axis} (unit)')
2 comentarios
Respuesta aceptada
Cris LaPierre
el 30 de En. de 2019
It looks like you already found this page. However, your code left out the part about setting the position of axes 2 to that of axes 1:
ax1_pos = ax1.Position; % position of first axes
ax2 = axes('Position',ax1_pos,...
This will introduce a new issue, unfortunately. The x-label for the top axis is now out of view. The other issue is that this will work great unless the figure window is resized.
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