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DOC: Improve inverted axis example

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doc/api
- index.rst
galleries/examples/subplots_axes_and_figures
- invert_axes.py

2 files changed

+41

-21

lines changed

`‎doc/api/index.rst‎`

Lines changed: 17 additions & 8 deletions

Original file line number	Diff line number	Diff line change
`@@ -73,13 +73,13 @@ description of both and their recommended use cases.`
`73`	`73`	`Modules`
`74`	`74`	`-------`
`75`	`75`
`76`		`-Alphabetical list of modules:`
	`76`	`+Public modules`
	`77`	+``````````````
`77`	`78`
`78`	`79`	`..toctree::`
`79`	`80`	`:maxdepth:1`
`80`	`81`
`81`	`82`	`matplotlib_configuration_api.rst`
`82`		`-afm_api.rst`
`83`	`83`	`animation_api.rst`
`84`	`84`	`artist_api.rst`
`85`	`85`	`axes_api.rst`
`@@ -98,7 +98,6 @@ Alphabetical list of modules:`
`98`	`98`	`container_api.rst`
`99`	`99`	`contour_api.rst`
`100`	`100`	`dates_api.rst`
`101`		`-docstring_api.rst`
`102`	`101`	`dviread.rst`
`103`	`102`	`figure_api.rst`
`104`	`103`	`font_manager_api.rst`
`@@ -133,17 +132,27 @@ Alphabetical list of modules:`
`133`	`132`	`text_api.rst`
`134`	`133`	`texmanager_api.rst`
`135`	`134`	`ticker_api.rst`
`136`		`-tight_bbox_api.rst`
`137`		`-tight_layout_api.rst`
`138`	`135`	`transformations.rst`
`139`	`136`	`tri_api.rst`
`140`		`-type1font.rst`
`141`	`137`	`typing_api.rst`
`142`	`138`	`units_api.rst`
`143`	`139`	`widgets_api.rst`
`144`		`-_api_api.rst`
`145`		`-_enums_api.rst`
`146`	`140`	`toolkits/mplot3d.rst`
`147`	`141`	`toolkits/axes_grid1.rst`
`148`	`142`	`toolkits/axisartist.rst`
`149`	`143`	`pylab.rst`
	`144`	`+`
	`145`	`+`
	`146`	`+Internal modules`
	`147`	+````````````````
	`148`	`+`
	`149`	`+..toctree::`
	`150`	`+:maxdepth:1`
	`151`	`+`
	`152`	`+afm_api.rst`
	`153`	`+docstring_api.rst`
	`154`	`+tight_bbox_api.rst`
	`155`	`+tight_layout_api.rst`
	`156`	`+type1font.rst`
	`157`	`+_api_api.rst`
	`158`	`+_enums_api.rst`

`‎galleries/examples/subplots_axes_and_figures/invert_axes.py‎`

Lines changed: 24 additions & 13 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,25 +1,36 @@`
`1`	`1`	`"""`
`2`		`-===========`
`3`		`-Invert Axes`
`4`		`-===========`
	`2`	`+=============`
	`3`	`+Inverted axis`
	`4`	`+=============`
`5`	`5`
`6`		`-You can use decreasing axes by flipping the normal order of the axis`
`7`		`-limits`
	`6`	`+There are two ways to invert the direction of an axis:`
	`7`	`+`
	`8`	+- If you want to set explicit axis limits anyway, e.g. via `.set_xlim`, you can
	`9`	+ swap the limit values; e.g. ``set_xlim(4, 0)`` instead of ``set_xlim(0, 4)``.
	`10`	+- Use `.Axis.set_inverted` if you only want to invert the axis *without modifying
	`11`	`+ the limits*, i.e. keep autoscaling behavior or other existing limits.`
`8`	`12`	`"""`
`9`	`13`
`10`	`14`	`importmatplotlib.pyplotasplt`
`11`	`15`	`importnumpyasnp`
`12`	`16`
`13`		`-t=np.arange(0.01,5.0,0.01)`
	`17`	`+t=np.arange(0.01,4.0,0.01)`
`14`	`18`	`s=np.exp(-t)`
`15`	`19`
`16`		`-fig,ax=plt.subplots()`
	`20`	`+fig, (ax1,ax2)=plt.subplots(1,2,figsize=(6.4,4),layout="constrained")`
	`21`	`+fig.suptitle('Inverted axis with ...')`
	`22`	`+`
	`23`	`+ax1.plot(t,s)`
	`24`	`+ax1.set_xlim(4,0)# inverted fixed limits`
	`25`	`+ax1.set_title('fixed limits: set_xlim(4, 0)')`
	`26`	`+ax1.set_xlabel('decreasing time (s)')`
	`27`	`+ax1.grid(True)`
`17`	`28`
`18`		`-ax.plot(t,s)`
`19`		`-ax.set_xlim(5,0)# decreasing time`
`20`		`-ax.set_xlabel('decreasing time (s)')`
`21`		`-ax.set_ylabel('voltage (mV)')`
`22`		`-ax.set_title('Should be growing...')`
`23`		`-ax.grid(True)`
	`29`	`+# inverted axis with autoscaling`
	`30`	`+ax2.plot(t,s)`
	`31`	`+ax2.xaxis.set_inverted(True)# inverted axis with autoscaling`
	`32`	`+ax2.set_title('autoscaling: set_inverted(True)')`
	`33`	`+ax2.set_xlabel('decreasing time (s)')`
	`34`	`+ax2.grid(True)`
`24`	`35`
`25`	`36`	`plt.show()`

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`‎doc/api/index.rst‎`

`‎galleries/examples/subplots_axes_and_figures/invert_axes.py‎`

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