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Commitc00b89a

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FIX: review suggestions
1 parent4e3cdce commitc00b89a

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‎tutorials/intermediate/arranging_axes.py

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Original file line numberDiff line numberDiff line change
@@ -66,6 +66,10 @@
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sometimes useful for interactive work or to place an Axes in a custom
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location:
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`~matplotlib.Figure.add_axes`
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Adds a single axes at a location specified by
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``[left, bottom, widtg, height]`` in fractions of figure width or height.
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`~matplotlib.pyplot.subplot` or `.Figure.add_subplot`
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Adds a single subplot on a figure, with 1-based indexing (inherited from
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Matlab). Columns and rows can be spanned by specifying a range of grid
@@ -86,17 +90,16 @@
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# --------------
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#
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# We can create a basic 2-by-2 grid of Axes using
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# :func:`~matplotlib.pyplot.subplots`. It returns a
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# :class:`~matplotlib.figure.Figure` instance and an array of
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# :class:`~matplotlib.axes.Axes` objects. The Axes objects can
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# be used to access methods to place artists on the Axes; here we
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# use `~.Axes.annotate`, but other examples could be `~.Axes.plot`,
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# `~matplotlib.pyplot.subplots`. It returns a `~matplotlib.figure.Figure`
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# instance and an array of `~matplotlib.axes.Axes` objects. The Axes
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# objects can be used to access methods to place artists on the Axes; here
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# we use `~.Axes.annotate`, but other examples could be `~.Axes.plot`,
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# `~.Axes.pcolormesh`, etc.
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importmatplotlib.pyplotasplt
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importnumpyasnp
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fig,axs=plt.subplots(ncols=2,nrows=2,figsize=(4.5,3.5),
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fig,axs=plt.subplots(ncols=2,nrows=2,figsize=(5.5,3.5),
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constrained_layout=True)
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# add an artist, in this case a nice label in the middle...
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forrowinrange(2):
@@ -124,9 +127,9 @@ def annotate_axes(ax, text, fontsize=18):
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# representing a row, and each element in the list a key representing the
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# column.
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fig,axd=plt.subplot_mosaic([['upleft','upright'],
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['loleft','loright']],
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figsize=(4.5,3.5),constrained_layout=True)
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fig,axd=plt.subplot_mosaic([['upper left','upper right'],
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['lower left','lower right']],
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figsize=(5.5,3.5),constrained_layout=True)
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forkinaxd.keys():
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annotate_axes(axd[k],f'axd["{k}"]',fontsize=14)
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fig.suptitle('plt.subplot_mosaic()')
@@ -140,9 +143,9 @@ def annotate_axes(ax, text, fontsize=18):
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# convenient is probably to use `~.pyplot.subplot_mosaic` by repeating one
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# of the keys:
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fig,axd=plt.subplot_mosaic([['upleft','right'],
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['loleft','right']],
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figsize=(4.5,3.5),constrained_layout=True)
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fig,axd=plt.subplot_mosaic([['upper left','right'],
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['lower left','right']],
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figsize=(5.5,3.5),constrained_layout=True)
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forkinaxd.keys():
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annotate_axes(axd[k],f'axd["{k}"]',fontsize=14)
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fig.suptitle('plt.subplot_mosaic()')
@@ -157,14 +160,14 @@ def annotate_axes(ax, text, fontsize=18):
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# Both `~.pyplot.subplots` and `~.pyplot.subplot_mosaic` allow the rows
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# in the grid to be different heights, and the columns to be different
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# widths using the *gridspec_kw* keyword argument.
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# Spacing parameters accepted by:class:`~matplotlib.gridspec.GridSpec`
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# Spacing parameters accepted by `~matplotlib.gridspec.GridSpec`
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# can be passed to `~matplotlib.pyplot.subplots` and
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# `~matplotlib.pyplot.subplot_mosaic`:
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gs_kw=dict(width_ratios=[1.4,1],height_ratios=[1,2])
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fig,axd=plt.subplot_mosaic([['upleft','right'],
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['loleft','right']],
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gridspec_kw=gs_kw,figsize=(4.5,3.5),
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fig,axd=plt.subplot_mosaic([['upper left','right'],
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['lower left','right']],
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gridspec_kw=gs_kw,figsize=(5.5,3.5),
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constrained_layout=True)
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forkinaxd.keys():
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annotate_axes(axd[k],f'axd["{k}"]',fontsize=14)
@@ -175,7 +178,7 @@ def annotate_axes(ax, text, fontsize=18):
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# -------------------
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#
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# Sometimes it is helpful to have two or more grids of Axes that
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# may not need to be related to one another. The most simple wayto
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# may not need to be related to one another. The most simple waytoin
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# accomplish this is to use `.Figure.subfigures`. Note that the alignement
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# of the subfigure layouts is independent with the Axes spines in each
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# subfigure having independent positions. See below for a more verbose
@@ -201,8 +204,8 @@ def annotate_axes(ax, text, fontsize=18):
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inner= [['innerA'],
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['innerB']]
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outer= [['upleft',inner],
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['lowleft','lowright']]
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outer= [['upper left',inner],
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['lower left','lower right']]
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fig,axd=plt.subplot_mosaic(outer,constrained_layout=True)
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forkinaxd.keys():
@@ -227,16 +230,21 @@ def annotate_axes(ax, text, fontsize=18):
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# We can accopmplish a 2x2 grid in the same manner as
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# ``plt.subplots(2, 2)``:
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230-
fig=plt.figure(figsize=(4.5,3.5),constrained_layout=True)
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fig=plt.figure(figsize=(5.5,3.5),constrained_layout=True)
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spec=fig.add_gridspec(ncols=2,nrows=2)
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ax0=fig.add_subplot(spec[0,0])
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annotate_axes(ax0,'ax0')
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ax1=fig.add_subplot(spec[0,1])
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annotate_axes(ax1,'ax1')
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ax2=fig.add_subplot(spec[1,0])
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annotate_axes(ax2,'ax2')
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ax3=fig.add_subplot(spec[1,1])
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annotate_axes(ax3,'ax3')
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fig.suptitle('Manually added subplots using add_gridspec')
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##############################################################################
@@ -248,14 +256,18 @@ def annotate_axes(ax, text, fontsize=18):
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# and the new Axes will span the slice. This would be the same
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# as ``fig, axd = plt.subplot_mosaic([['ax0', 'ax0'], ['ax1', 'ax2']], ...)``:
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fig=plt.figure(figsize=(4.5,3.5),constrained_layout=True)
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fig=plt.figure(figsize=(5.5,3.5),constrained_layout=True)
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spec=fig.add_gridspec(2,2)
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ax0=fig.add_subplot(spec[0, :])
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annotate_axes(ax0,'ax0')
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ax10=fig.add_subplot(spec[1,0])
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annotate_axes(ax10,'ax10')
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ax11=fig.add_subplot(spec[1,1])
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annotate_axes(ax11,'ax11')
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fig.suptitle('Manually added subplots, spanning a column')
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###############################################################################
@@ -288,7 +300,7 @@ def annotate_axes(ax, text, fontsize=18):
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# -------------------------------
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#
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# You can create nested layout similar to `~.Figure.subfigures` using
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# `~.gridspec.SubplotSpec.subgridspec`. Here the Axes spines_are_
303+
# `~.gridspec.SubplotSpec.subgridspec`. Here the Axes spines*are*
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# aligned.
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#
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# Note this is also available from the more verbose
@@ -316,7 +328,7 @@ def annotate_axes(ax, text, fontsize=18):
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###############################################################################
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# Here's a more sophisticated example of nested *GridSpec*: We create an outer
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# 4x4 grid with each cell containingand inner 3x3 grid of Axes. We outline
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# 4x4 grid with each cell containingan inner 3x3 grid of Axes. We outline
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# the outer 4x4 grid by hiding appropriate spines in each of the inner 3x3
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# grids.
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@@ -352,7 +364,7 @@ def squiggle_xy(a, b, c, d, i=np.arange(0.0, 2*np.pi, 0.05)):
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# ============
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#
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# - More details about :doc:`subplot mosaic </tutorials/provisional/mosaic>`.
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# -more details about
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# -More details about
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# :doc:`constrained layout
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# </tutorials/intermediate/constrainedlayout_guide>`, used to align
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# spacing in most of these examples.

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