Pcolorfast图像/阵列旋转

Question

I have the code below:

fig, ax = pyplot.subplots()
graph = ax.pcolorfast(data, cmap='viridis', vmin = min, vmax = max)
pyplot.colorbar(graph)
pyplot.show()

and it plots what I wanted, however it is sideways. Is there a good way of rotating it -90 or 270 degrees? I have tried aT , which returns the original plot. I have also tried ndimage.rotate(graph, -90|270) , ndimage.interpolation.rotate(graph, -90|270) , and numpy.rot90(data,3) . The first two return errors for invalid rotation planes and the second appears to shove the graph off the edge, losing a majority of my data points.

If anyone has some thoughts, I would be very grateful. Even if it's that I put in the wrong arguments. I am at a loss here.

Answer 1

Is a supposed to be equal to data in your example? Tried your code with a random 2D array, and np.transpose(a) as well as aT seem to properly rotate the figure, as opposed to what you indicate here ('returns the original plot'). If this is not the case for you, I think we need more information.