Commit64d5297

committed

Doc: spines arrows example

1 parentb731c29 commit64d5297Copy full SHA for 64d5297

File tree

+45

-1

lines changed

+45

-1

lines changed

Lines changed: 6 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -3,7 +3,12 @@`
`3`	`3`	`Axis line styles`
`4`	`4`	`================`
`5`	`5`
`6`		`-This example shows some configurations for axis style.`
	`6`	`+This example shows some configurations for axis style.`
	`7`	`+`
	`8`	+Note: The `mpl_toolkits.axisartist` axes classes may be confusing for new
	`9`	`+users. If the only aim is to obtain arrow heads at the ends of the axes,`
	`10`	+rather check out the :doc:`/gallery/recipes/centered_spines_with_arrows`
	`11`	`+example.`
`7`	`12`	`"""`
`8`	`13`
`9`	`14`	`frommpl_toolkits.axisartist.axislinesimportSubplotZero`

Lines changed: 36 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,36 @@`
	`1`	`+"""`
	`2`	`+===========================`
	`3`	`+Centered spines with arrows`
	`4`	`+===========================`
	`5`	`+`
	`6`	`+This example shows a way to draw a "math textbook" style plot, where the`
	`7`	+spines ("axes lines") are drawn at ``x = 0`` and ``y = 0``, and have arrows at
	`8`	`+their ends.`
	`9`	`+"""`
	`10`	`+`
	`11`	`+importmatplotlib.pyplotasplt`
	`12`	`+importnumpyasnp`
	`13`	`+`
	`14`	`+`
	`15`	`+fig,ax=plt.subplots()`
	`16`	`+# Move the left and bottom spines to x = 0 and y = 0, respectively.`
	`17`	`+ax.spines["left"].set_position(("data",0))`
	`18`	`+ax.spines["bottom"].set_position(("data",0))`
	`19`	`+# Hide the top and right spines.`
	`20`	`+ax.spines["top"].set_visible(False)`
	`21`	`+ax.spines["right"].set_visible(False)`
	`22`	`+`
	`23`	`+# Draw arrows (as black triangles: ">k"/"^k") at the end of the axes. In each`
	`24`	`+# case, one of the coordinates (0) is a data coordinate (i.e., y = 0 or x = 0,`
	`25`	`+# respectively) and the other one (1) is an axes coordinate (i.e., at the very`
	`26`	`+# right/top of the axes). Also, disable clipping (clip_on=False) as the marker`
	`27`	`+# actually spills out of the axes.`
	`28`	`+ax.plot(1,0,">k",transform=ax.get_yaxis_transform(),clip_on=False)`
	`29`	`+ax.plot(0,1,"^k",transform=ax.get_xaxis_transform(),clip_on=False)`
	`30`	`+`
	`31`	`+# Some sample data.`
	`32`	`+x=np.linspace(-0.5,1.,100)`
	`33`	`+ax.plot(x,np.sin(x*np.pi))`
	`34`	`+`
	`35`	`+plt.show()`
	`36`	`+`

Lines changed: 3 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -4,6 +4,9 @@`
`4`	`4`	`====================`
`5`	`5`
`6`	`6`	`Adjusting the location and appearance of axis spines.`
	`7`	`+`
	`8`	`+Note: If you want to obtain arrow heads at the ends of the axes, also check`
	`9`	+out the :doc:`/gallery/recipes/centered_spines_with_arrows` example.
`7`	`10`	`"""`
`8`	`11`	`importnumpyasnp`
`9`	`12`	`importmatplotlib.pyplotasplt`

Comments

(0)