How to change the direction of x axis.

Hello, i'm working proccesing images with Matlab and i want to change the direction of x axis. Does anyone know how can i do it?. The red are my actual axis, and i want get the white one, so i need to rotate the x axis 180 degrees.

Thank you.

Answer 1

[Star Strider]

Reversing the axis direction reverses the plot as well.

I = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/625258/Captura.PNG');

figure
imshow(I)
title('Original')

figure
imshow(I)
Ax = gca;
Ax.XDir = 'reverse';
title('X-Axis Direction Reversed')

.

[Guillermo Arias]

Okey, thank you very much.

[Star Strider]

As always, my pleasure!

Answer 2

[Stephan]

A = imread('ngc6543a.jpg');
imshow(A)

B = fliplr(A);
imshow(B)

Answer 3

[Guillermo Arias]

Thank you!!. Is there any way to flip the axis instead of the image??