CODEWITHSUNDEEP
pythonmatplotlibaxis-labelsyaxis
Justin
Justin

Reputation: 99

Rotating & changing size of y-axis labels

I am trying to do a simple line of code just to rotate around the title label for readability.

Here is the block of code having imported the CSV file:

    ylabel_counter = 0
    ylabel_text = 'Sensor'
    ylabel_counter_str = ''

    df = pd.read_csv(root.filename)                      #Assume CSV file has bee selected and imported
    y = df['Total Force']
    x = df['Time Stamp']
    s_one = df['Sensor 1']
    s_two = df['Sensor 2']
    s_three = df['Sensor 3']
    s_four = df['Sensor 4']
    s_five = df['Sensor 5']
    s_six = df['Sensor 6']
    s_seven = df['Sensor 7']
    s_eight = df['Sensor 8']
    s_nine = df['Sensor 9']
    s_ten = df['Sensor 10']

    fig = plt.figure()
    gs = fig.add_gridspec(11, hspace=0.8, wspace=0)
    axs = gs.subplots(sharex=True, sharey=True)
    fig.suptitle('Forced Against Time')

    axs[0].plot(x, y)
    #axs[0].set_title('All Sensors', fontsize = 5)

    axs[1].plot(x, s_one)
    axs[2].plot(x, s_two)
    axs[3].plot(x, s_three)
    axs[4].plot(x, s_four)
    axs[5].plot(x, s_five)
    axs[6].plot(x, s_six)
    axs[7].plot(x, s_seven)
    axs[8].plot(x, s_eight)
    axs[9].plot(x, s_nine)
    axs[10].plot(x, s_ten)

    for ax in axs.flat:
        ylabel_number = ylabel_text + str(ylabel_counter)
        ax.set(xlabel='Time', ylabel=ylabel_number)                  #Area of interest, how to rotate set axes?
        ylabel_counter += 1
    
    for ax in axs:
        ax.label_outer()

    plt.show()

Here is the current plot of the graph, as seen in ylabel, the sensor labels are all overlapping so I am just trying to get them to rotate 90° to be just like the y-axis tick labels. Thanks in advance!

enter image description here

Upvotes: 0

Views: 264

Answers (1)

Jim Parker
Jim Parker

Reputation: 1145

There is an option for labels rotation. Just set it equal to horizontal to get what you want. May have to break up your label command into two parts (x & y). Can't test because I can't run your example

But something like

ylabel_number = ylabel_text + str(ylabel_counter)
ax.set_ylabel(ylabel_number, rotation='horizontal')

Additionally, to set the alignment, try set_label_coords like

ax.yaxis.set_label_coords(-0.3, 0.5)  # where coord in axis coordinate frame

see Matplotlib example https://matplotlib.org/stable/gallery/pyplots/align_ylabels.html

Upvotes: 1

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