Second X-Axis on Bottom of Contour Plot?

2 次查看（过去 30 天）
Michelle De Luna
Michelle De Luna 2020-12-1
回答： Ameer Hamza 2020-12-2
Hi everyone! I hope you are all well and safe.
Just a quick question: I have a contour plot and I'm trying to add a second x-axis to the bottom of the plot. So, in essence, both x-axes should appear at the bottom, one on top of the other. Any pointers? I tried following the instructions included in the MATLAB Help Center, but I was unsuccessful seeing as my x-axes appeared in the same position, thus jumbling up the labels. I am also unsure if there are different instructions for contour plots :(
Here's a look at what I'm working with:
contour(x, [2 4 8 12 16], 'b-', 'ShowText', 'on', 'LabelSpacing', 700)
xlim([205 245])
xticklabels([12 14 16 18 20 22 24 26 28])
xlabel('Latitude')
ylim([1 21])
yticklabels([975 925 875 825 775 725 650 550 450 350])
ylabel('Atmospheric Level (hPa)')
title('Specific Humidity')
legend('q (g / kg)')
  2 个评论
Ameer Hamza
Ameer Hamza 2020-12-1
Can you show an example of where you want to place the 2nd x-axis?
Michelle De Luna
Michelle De Luna 2020-12-2
Ameer,
Thank you for your response! Of course. Here is a picture of the plot. I would like the second x-axis to fall just below the original x-axis, right around where the word "Latitude" is located (so, almost as if I was pressing "enter" and inserting the second x-axis below the first).
Thanks in advance!

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回答（1 个）

Ameer Hamza
Ameer Hamza 2020-12-2
Check this example
ax1 = axes();
ax1.Position = ax1.Position+[0 0.07 0 0];
xlabel('First x-axis');
ax2 = axes();
ax2.Position = ax1.Position-[0 0.10 0 0];
ax2.Color = 'none';
ax2.YAxis.Visible = 'off';
xlabel('Second x-axis');

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