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Commitfb77685

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ENH: Add align parameter to broken_barh()
In particular `align="center"` makes it easier to position bars centeredon labels, as illustrated in the changed example.Note: This parameter is similar to `bar(..., align=...)`.
1 parent70d0bf7 commitfb77685

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6 files changed

+52
-11
lines changed

6 files changed

+52
-11
lines changed
Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,4 @@
1+
``broken_barh()`` vertical alignment though ``align`` parameter
2+
---------------------------------------------------------------
3+
`~.Axes.broken_barh` now supports vertical alignment of the bars through the
4+
``align`` parameter.

‎galleries/examples/lines_bars_and_markers/broken_barh.py

Lines changed: 7 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -18,13 +18,13 @@
1818
network=np.column_stack([10*np.random.random(10),np.full(10,0.05)])
1919

2020
fig,ax=plt.subplots()
21-
# broken_barh(xranges, (ymin, height))
22-
ax.broken_barh(cpu_1, (-0.2,0.4))
23-
ax.broken_barh(cpu_2, (0.8,0.4))
24-
ax.broken_barh(cpu_3, (1.8,0.4))
25-
ax.broken_barh(cpu_4, (2.8,0.4))
26-
ax.broken_barh(disk, (3.8,0.4),color="tab:orange")
27-
ax.broken_barh(network, (4.8,0.4),color="tab:green")
21+
# broken_barh(xranges, (ypos, height))
22+
ax.broken_barh(cpu_1, (0,0.4),align="center")
23+
ax.broken_barh(cpu_2, (1,0.4),align="center")
24+
ax.broken_barh(cpu_3, (2,0.4),align="center")
25+
ax.broken_barh(cpu_4, (3,0.4),align="center")
26+
ax.broken_barh(disk, (4,0.4),align="center",color="tab:orange")
27+
ax.broken_barh(network, (5,0.4),align="center",color="tab:green")
2828
ax.set_xlim(0,10)
2929
ax.set_yticks(range(6),
3030
labels=["CPU 1","CPU 2","CPU 3","CPU 4","disk","network"])

‎lib/matplotlib/axes/_axes.py

Lines changed: 19 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -2935,7 +2935,7 @@ def sign(x):
29352935

29362936
@_preprocess_data()
29372937
@_docstring.interpd
2938-
defbroken_barh(self,xranges,yrange,**kwargs):
2938+
defbroken_barh(self,xranges,yrange,align="bottom",**kwargs):
29392939
"""
29402940
Plot a horizontal sequence of rectangles.
29412941
@@ -2948,8 +2948,16 @@ def broken_barh(self, xranges, yrange, **kwargs):
29482948
The x-positions and extents of the rectangles. For each tuple
29492949
(*xmin*, *xwidth*) a rectangle is drawn from *xmin* to *xmin* +
29502950
*xwidth*.
2951-
yrange : (*ymin*, *yheight*)
2951+
yrange : (*ypos*, *yheight*)
29522952
The y-position and extent for all the rectangles.
2953+
align : {"bottom", "center", "top"}, default: 'bottom'
2954+
The alignment of the yrange with respect to the y-position. One of:
2955+
2956+
- "bottom": Resulting y-range [ypos, ypos + yheight]
2957+
- "center": Resulting y-range [ypos - yheight/2, ypos + yheight/2]
2958+
- "top": Resulting y-range [ypos - yheight, ypos]
2959+
2960+
.. versionadded:: 3.11
29532961
29542962
Returns
29552963
-------
@@ -2984,7 +2992,15 @@ def broken_barh(self, xranges, yrange, **kwargs):
29842992

29852993
vertices= []
29862994
y0,dy=yrange
2987-
y0,y1=self.convert_yunits((y0,y0+dy))
2995+
2996+
_api.check_in_list(['bottom','center','top'],align=align)
2997+
ifalign=="bottom":
2998+
y0,y1=self.convert_yunits((y0,y0+dy))
2999+
elifalign=="center":
3000+
y0,y1=self.convert_yunits((y0-dy/2,y0+dy/2))
3001+
else:
3002+
y0,y1=self.convert_yunits((y0-dy,y0))
3003+
29883004
forxrinxranges:# convert the absolute values, not the x and dx
29893005
try:
29903006
x0,dx=xr

‎lib/matplotlib/axes/_axes.pyi

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -263,6 +263,7 @@ class Axes(_AxesBase):
263263
self,
264264
xranges:Sequence[tuple[float,float]],
265265
yrange:tuple[float,float],
266+
align:Literal["bottom","center","top"]= ...,
266267
*,
267268
data=...,
268269
**kwargs

‎lib/matplotlib/pyplot.py

Lines changed: 6 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3111,12 +3111,17 @@ def boxplot(
31113111
defbroken_barh(
31123112
xranges:Sequence[tuple[float,float]],
31133113
yrange:tuple[float,float],
3114+
align:Literal["bottom","center","top"]="bottom",
31143115
*,
31153116
data=None,
31163117
**kwargs,
31173118
)->PolyCollection:
31183119
returngca().broken_barh(
3119-
xranges,yrange,**({"data":data}ifdataisnotNoneelse {}),**kwargs
3120+
xranges,
3121+
yrange,
3122+
align=align,
3123+
**({"data":data}ifdataisnotNoneelse {}),
3124+
**kwargs,
31203125
)
31213126

31223127

‎lib/matplotlib/tests/test_axes.py

Lines changed: 15 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -7134,6 +7134,21 @@ def test_broken_barh_timedelta():
71347134
assertpp.get_paths()[0].vertices[2,0]==mdates.date2num(d0)+1/24
71357135

71367136

7137+
deftest_broken_barh_align():
7138+
fig,ax=plt.subplots()
7139+
pc=ax.broken_barh([(0,10)], (0,2))
7140+
forpathinpc.get_paths():
7141+
assert_array_equal(path.get_extents().intervaly, [0,2])
7142+
7143+
pc=ax.broken_barh([(0,10)], (10,2),align="center")
7144+
forpathinpc.get_paths():
7145+
assert_array_equal(path.get_extents().intervaly, [9,11])
7146+
7147+
pc=ax.broken_barh([(0,10)], (20,2),align="top")
7148+
forpathinpc.get_paths():
7149+
assert_array_equal(path.get_extents().intervaly, [18,20])
7150+
7151+
71377152
deftest_pandas_pcolormesh(pd):
71387153
time=pd.date_range('2000-01-01',periods=10)
71397154
depth=np.arange(20)

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