Python xticks in subplots

Question

If I plot a single imshow plot I can use  fig  ax   plt subplots   ax imshow data  plt xticks   4  14  24     5  15  25      to replace my xtick labels   Now  I am plotting 12 imshow plots using   f  axarr   plt subplots 4  3  axarr i  j  imshow data    How can I change my xticks just for one of these subplots  I can only access the axes of the subplots with axarr i  j   How can I access plt just for one particular subplot

User · Answer

See the  quite  recent answer on the matplotlib repository  in which the following solution is suggested     If you want to set the xticklabels    ax set xticks  1 4 5    ax set xticklabels  1 4 5   fontsize 12   If you want to only increase the fontsize of the xticklabels  using the default values and locations  which is something I personally often need and find very handy     ax tick params axis  x   labelsize 12    To do it all at once    plt setp ax get xticklabels    fontsize 12  fontweight  bold             horizontalalignment  left

User · Answer

There are two ways    Use the axes methods of the subplot object  e g  ax set xticks and ax set xticklabels  or Use plt sca to set the current axes for the pyplot state machine  i e  the plt interface     As an example  this also illustrates using setp to change the properties of all of the subplots    import matplotlib pyplot as plt  fig  axes   plt subplots nrows 3  ncols 4     Set the ticks and ticklabels for all axes plt setp axes  xticks  0 1  0 5  0 9   xticklabels   a    b    c            yticks  1  2  3      Use the pyplot interface to change just one subplot    plt sca axes 1  1   plt xticks range 3     A    Big    Cat    color  red    fig tight layout   plt show

[python] Python xticks in subplots

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