[英]How do I get matplotlib.pyplot to label every few labels down the Y-Axis?
I'm attempting to plot data from a .csv file and I want it to put less values down the Y-axis.我正在尝试从 .csv 文件中绘制数据,并且我希望它在 Y 轴上放置更少的值。
This is the output I am getting at the moment:这是我目前得到的输出:
I would also like the numbers to be automatically rounded or neatened up to make the plot more readable.我还希望将数字自动四舍五入或整理,以使情节更具可读性。
def GraphBuilder():
item = 0
savenumber = 1
ColumnTime = itemgetter(0)(column_names)
while item < col_count:
SecondaryColumn = itemgetter(item)(column_names)
ColumnTimeData = pandagraph[ColumnTime]
SecondaryColumnData = pandagraph[(SecondaryColumn)]
plt.xlim([0, 1000])
plt.ylim([-100, 100000])
plt.ylabel(SecondaryColumn)
plt.plot(ColumnTimeData, SecondaryColumnData)
plt.xticks(rotation = 45)
print("Starting new graph")
Start = 0
End = 0
Start = time.time()
plt.savefig(f"Graph{savenumber}.tiff")
plt.close()
plt.cla()
plt.clf()
print(f"Graph {savenumber} completed")
End = time.time()
TotalGraphTime = End - Start
TotalGraphTime = round(TotalGraphTime, 2)
print("Graph completed in: ", TotalGraphTime, " Seconds.")
time.sleep(0.1)
item += 1
savenumber +=1
I'm not sure how to make the program do this so any help is greatly appreciated.我不确定如何使程序执行此操作,因此非常感谢任何帮助。
要更改刻度数,我建议查看 plt.yticks
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