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emmanuellejonmmease
emmanuelle
authored and
jonmmease
committed
Reversed colorscale (#1933)
* reversed colorscales with _r * codegen
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47 files changed

+208
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‎packages/python/plotly/_plotly_utils/basevalidators.py

Lines changed: 10 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1532,6 +1532,8 @@ def named_colorscales(self):
15321532
and len(c) == 2
15331533
and isinstance(c[0], str)
15341534
and isinstance(c[1], list)
1535+
and not c[0].endswith("_r")
1536+
and not c[0].startswith("_")
15351537
}
15361538

15371539
return self._named_colorscales
@@ -1558,7 +1560,8 @@ def description(self):
15581560
and the second item is a valid color string.
15591561
(e.g. [[0, 'green'], [0.5, 'red'], [1.0, 'rgb(0, 0, 255)']])
15601562
- One of the following named colorscales:
1561-
{colorscales_str}
1563+
{colorscales_str}.
1564+
Appending '_r' to a named colorscale reverses it.
15621565
""".format(
15631566
plotly_name=self.plotly_name, colorscales_str=colorscales_str
15641567
)
@@ -1575,13 +1578,16 @@ def validate_coerce(self, v):
15751578
if v_lower in self.named_colorscales:
15761579
# Convert to color list
15771580
v = self.named_colorscales[v_lower]
1578-
1581+
v_valid = True
1582+
elif v_lower.endswith("_r") and v_lower[:-2] in self.named_colorscales:
1583+
v = self.named_colorscales[v_lower[:-2]][::-1]
1584+
v_valid = True
1585+
#
1586+
if v_valid:
15791587
# Convert to list of lists colorscale
15801588
d = len(v) - 1
15811589
v = [[(1.0 * i) / (1.0 * d), x] for i, x in enumerate(v)]
15821590

1583-
v_valid = True
1584-
15851591
elif is_array(v) and len(v) > 0:
15861592
# If firset element is a string, treat as colorsequence
15871593
if isinstance(v[0], string_types):

‎packages/python/plotly/_plotly_utils/colors/_swatches.py

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -20,7 +20,7 @@ def _swatches(module_names, module_contents, template=None):
2020
sequences = [
2121
(k, v)
2222
for k, v in module_contents.items()
23-
if not (k.startswith("_") or k == "swatches")
23+
if not (k.startswith("_") or k == "swatches" or k.endswith("_r"))
2424
]
2525

2626
return go.Figure(

‎packages/python/plotly/_plotly_utils/colors/carto.py

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -382,3 +382,10 @@ def swatches(template=None):
382382
"rgb(237, 100, 90)",
383383
"rgb(165, 170, 153)",
384384
]
385+
386+
# Prefix variable names with _ so that they will not be added to the swatches
387+
_contents = dict(globals())
388+
for _k, _cols in _contents.items():
389+
if _k.startswith("_") or _k == "swatches" or _k.endswith("_r"):
390+
continue
391+
globals()[_k + "_r"] = _cols[::-1]

‎packages/python/plotly/_plotly_utils/colors/cmocean.py

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -267,3 +267,10 @@ def swatches(template=None):
267267
"rgb(111, 23, 91)",
268268
"rgb(51, 13, 53)",
269269
]
270+
271+
# Prefix variable names with _ so that they will not be added to the swatches
272+
_contents = dict(globals())
273+
for _k, _cols in _contents.items():
274+
if _k.startswith("_") or _k == "swatches" or _k.endswith("_r"):
275+
continue
276+
globals()[_k + "_r"] = _cols[::-1]

‎packages/python/plotly/_plotly_utils/colors/colorbrewer.py

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -456,3 +456,10 @@ def swatches(template=None):
456456
"rgb(189,0,38)",
457457
"rgb(128,0,38)",
458458
]
459+
460+
# Prefix variable names with _ so that they will not be added to the swatches
461+
_contents = dict(globals())
462+
for _k, _cols in _contents.items():
463+
if _k.startswith("_") or _k == "swatches" or _k.endswith("_r"):
464+
continue
465+
globals()[_k + "_r"] = _cols[::-1]

‎packages/python/plotly/_plotly_utils/colors/cyclical.py

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -125,3 +125,10 @@ def swatches(template=None):
125125
"#9139fa",
126126
"#c543fa",
127127
]
128+
129+
# Prefix variable names with _ so that they will not be added to the swatches
130+
_contents = dict(globals())
131+
for _k, _cols in _contents.items():
132+
if _k.startswith("_") or _k == "swatches" or _k.endswith("_r"):
133+
continue
134+
globals()[_k + "_r"] = _cols[::-1]

‎packages/python/plotly/_plotly_utils/colors/diverging.py

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -30,3 +30,10 @@ def swatches(template=None):
3030

3131

3232
swatches.__doc__ = _swatches.__doc__
33+
34+
# Prefix variable names with _ so that they will not be added to the swatches
35+
_contents = dict(globals())
36+
for _k, _cols in _contents.items():
37+
if _k.startswith("_") or _k == "swatches" or _k.endswith("_r"):
38+
continue
39+
globals()[_k + "_r"] = _cols[::-1]

‎packages/python/plotly/_plotly_utils/colors/plotlyjs.py

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -179,3 +179,10 @@
179179
scale_name=scale_name, scale_sequence=scale_sequence
180180
)
181181
)
182+
183+
# Prefix variable names with _ so that they will not be added to the swatches
184+
_contents = dict(globals())
185+
for _k, _cols in _contents.items():
186+
if _k.startswith("_") or _k == "swatches" or _k.endswith("_r"):
187+
continue
188+
globals()[_k + "_r"] = _cols[::-1]

‎packages/python/plotly/_plotly_utils/colors/qualitative.py

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -145,3 +145,10 @@ def swatches(template=None):
145145

146146
from .colorbrewer import Set1, Pastel1, Dark2, Set2, Pastel2, Set3 # noqa: F401
147147
from .carto import Antique, Bold, Pastel, Prism, Safe, Vivid # noqa: F401
148+
149+
# Prefix variable names with _ so that they will not be added to the swatches
150+
_contents = dict(globals())
151+
for _k, _cols in _contents.items():
152+
if _k.startswith("_") or _k == "swatches" or _k.endswith("_r"):
153+
continue
154+
globals()[_k + "_r"] = _cols[::-1]

‎packages/python/plotly/_plotly_utils/colors/sequential.py

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -155,3 +155,10 @@ def swatches(template=None):
155155
Agsunset,
156156
Brwnyl,
157157
)
158+
159+
# Prefix variable names with _ so that they will not be added to the swatches
160+
_contents = dict(globals())
161+
for _k, _cols in _contents.items():
162+
if _k.startswith("_") or _k == "swatches" or _k.endswith("_r"):
163+
continue
164+
globals()[_k + "_r"] = _cols[::-1]

‎packages/python/plotly/_plotly_utils/tests/validators/test_colorscale_validator.py

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -25,6 +25,7 @@ def validator():
2525
and len(c) == 2
2626
and isinstance(c[0], str)
2727
and isinstance(c[1], list)
28+
and not c[0].startswith("_")
2829
}
2930

3031

‎packages/python/plotly/plotly/graph_objs/__init__.py

Lines changed: 30 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -2870,7 +2870,8 @@ def colorscale(self):
28702870
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
28712871
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
28722872
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
2873-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
2873+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
2874+
Appending '_r' to a named colorscale reverses it.
28742875

28752876
Returns
28762877
-------
@@ -10330,7 +10331,8 @@ def colorscale(self):
1033010331
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
1033110332
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
1033210333
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
10333-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
10334+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
10335+
Appending '_r' to a named colorscale reverses it.
1033410336

1033510337
Returns
1033610338
-------
@@ -14320,7 +14322,8 @@ def colorscale(self):
1432014322
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
1432114323
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
1432214324
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
14323-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
14325+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
14326+
Appending '_r' to a named colorscale reverses it.
1432414327

1432514328
Returns
1432614329
-------
@@ -46588,7 +46591,8 @@ def colorscale(self):
4658846591
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
4658946592
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
4659046593
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
46591-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
46594+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
46595+
Appending '_r' to a named colorscale reverses it.
4659246596

4659346597
Returns
4659446598
-------
@@ -49198,7 +49202,8 @@ def colorscale(self):
4919849202
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
4919949203
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
4920049204
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
49201-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
49205+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
49206+
Appending '_r' to a named colorscale reverses it.
4920249207

4920349208
Returns
4920449209
-------
@@ -53649,7 +53654,8 @@ def colorscale(self):
5364953654
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
5365053655
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
5365153656
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
53652-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
53657+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
53658+
Appending '_r' to a named colorscale reverses it.
5365353659

5365453660
Returns
5365553661
-------
@@ -56285,7 +56291,8 @@ def colorscale(self):
5628556291
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
5628656292
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
5628756293
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
56288-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
56294+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
56295+
Appending '_r' to a named colorscale reverses it.
5628956296

5629056297
Returns
5629156298
-------
@@ -61005,7 +61012,8 @@ def colorscale(self):
6100561012
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
6100661013
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
6100761014
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
61008-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
61015+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
61016+
Appending '_r' to a named colorscale reverses it.
6100961017

6101061018
Returns
6101161019
-------
@@ -62845,7 +62853,8 @@ def colorscale(self):
6284562853
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
6284662854
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
6284762855
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
62848-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
62856+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
62857+
Appending '_r' to a named colorscale reverses it.
6284962858

6285062859
Returns
6285162860
-------
@@ -69237,7 +69246,8 @@ def colorscale(self):
6923769246
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
6923869247
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
6923969248
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
69240-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
69249+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
69250+
Appending '_r' to a named colorscale reverses it.
6924169251

6924269252
Returns
6924369253
-------
@@ -71326,7 +71336,8 @@ def colorscale(self):
7132671336
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
7132771337
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
7132871338
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
71329-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
71339+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
71340+
Appending '_r' to a named colorscale reverses it.
7133071341

7133171342
Returns
7133271343
-------
@@ -73293,7 +73304,8 @@ def colorscale(self):
7329373304
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
7329473305
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
7329573306
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
73296-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
73307+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
73308+
Appending '_r' to a named colorscale reverses it.
7329773309

7329873310
Returns
7329973311
-------
@@ -75945,7 +75957,8 @@ def colorscale(self):
7594575957
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
7594675958
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
7594775959
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
75948-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
75960+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
75961+
Appending '_r' to a named colorscale reverses it.
7594975962

7595075963
Returns
7595175964
-------
@@ -78055,7 +78068,8 @@ def colorscale(self):
7805578068
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
7805678069
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
7805778070
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
78058-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
78071+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
78072+
Appending '_r' to a named colorscale reverses it.
7805978073

7806078074
Returns
7806178075
-------
@@ -79952,7 +79966,8 @@ def colorscale(self):
7995279966
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
7995379967
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
7995479968
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
79955-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
79969+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
79970+
Appending '_r' to a named colorscale reverses it.
7995679971

7995779972
Returns
7995879973
-------

‎packages/python/plotly/plotly/graph_objs/bar/__init__.py

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1569,7 +1569,8 @@ def colorscale(self):
15691569
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
15701570
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
15711571
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
1572-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
1572+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
1573+
Appending '_r' to a named colorscale reverses it.
15731574
15741575
Returns
15751576
-------

‎packages/python/plotly/plotly/graph_objs/bar/marker/__init__.py

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -259,7 +259,8 @@ def colorscale(self):
259259
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
260260
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
261261
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
262-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
262+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
263+
Appending '_r' to a named colorscale reverses it.
263264
264265
Returns
265266
-------

‎packages/python/plotly/plotly/graph_objs/barpolar/__init__.py

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -929,7 +929,8 @@ def colorscale(self):
929929
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
930930
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
931931
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
932-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
932+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
933+
Appending '_r' to a named colorscale reverses it.
933934
934935
Returns
935936
-------

‎packages/python/plotly/plotly/graph_objs/barpolar/marker/__init__.py

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -259,7 +259,8 @@ def colorscale(self):
259259
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
260260
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
261261
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
262-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
262+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
263+
Appending '_r' to a named colorscale reverses it.
263264
264265
Returns
265266
-------

‎packages/python/plotly/plotly/graph_objs/funnel/__init__.py

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1275,7 +1275,8 @@ def colorscale(self):
12751275
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
12761276
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
12771277
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
1278-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
1278+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
1279+
Appending '_r' to a named colorscale reverses it.
12791280
12801281
Returns
12811282
-------

‎packages/python/plotly/plotly/graph_objs/funnel/marker/__init__.py

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -259,7 +259,8 @@ def colorscale(self):
259259
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
260260
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
261261
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
262-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
262+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
263+
Appending '_r' to a named colorscale reverses it.
263264
264265
Returns
265266
-------

‎packages/python/plotly/plotly/graph_objs/histogram/__init__.py

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1413,7 +1413,8 @@ def colorscale(self):
14131413
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
14141414
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
14151415
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
1416-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
1416+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
1417+
Appending '_r' to a named colorscale reverses it.
14171418
14181419
Returns
14191420
-------

‎packages/python/plotly/plotly/graph_objs/histogram/marker/__init__.py

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -259,7 +259,8 @@ def colorscale(self):
259259
'rdpu', 'rdylbu', 'rdylgn', 'redor', 'reds', 'solar', 'spectral',
260260
'speed', 'sunset', 'sunsetdark', 'teal', 'tealgrn', 'tealrose',
261261
'tempo', 'temps', 'thermal', 'tropic', 'turbid', 'twilight',
262-
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd']
262+
'viridis', 'ylgn', 'ylgnbu', 'ylorbr', 'ylorrd'].
263+
Appending '_r' to a named colorscale reverses it.
263264
264265
Returns
265266
-------

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