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Commitf9b2bf0

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changed name of new class from Mapper to Colorizer and removed calls to old api
changed name of new class from Mapper to ColorizerMapper → ColorizerScalarMappableShim → ColorizerShimColorableArtist → ColorizingArtistalso removed all internal calls using the ColorizerShim api
1 parente6a7c9b commitf9b2bf0

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11 files changed

+277
-207
lines changed

11 files changed

+277
-207
lines changed

‎lib/matplotlib/artist.py

Lines changed: 38 additions & 27 deletions
Original file line numberDiff line numberDiff line change
@@ -1335,7 +1335,7 @@ def format_cursor_data(self, data):
13351335
# inherit from Artist first and from ScalarMappable second, so
13361336
# Artist.format_cursor_data would always have precedence over
13371337
# ScalarMappable.format_cursor_data.
1338-
returnself.mapper._format_cursor_data(data)
1338+
returnself.colorizer._format_cursor_data(data)
13391339
else:
13401340
try:
13411341
data[0]
@@ -1378,7 +1378,7 @@ def set_mouseover(self, mouseover):
13781378
mouseover=property(get_mouseover,set_mouseover)# backcompat.
13791379

13801380

1381-
classColorableArtist(Artist):
1381+
classColorizingArtist(Artist):
13821382
def__init__(self,norm=None,cmap=None):
13831383
"""
13841384
Parameters
@@ -1397,12 +1397,12 @@ def __init__(self, norm=None, cmap=None):
13971397
Artist.__init__(self)
13981398

13991399
self._A=None
1400-
ifisinstance(norm,cm.Mapper):
1401-
self._mapper=norm
1400+
ifisinstance(norm,cm.Colorizer):
1401+
self._colorizer=norm
14021402
else:
1403-
self._mapper=cm.Mapper(cmap,norm)
1403+
self._colorizer=cm.Colorizer(cmap,norm)
14041404

1405-
self._id_mapper=self.mapper.callbacks.connect('changed',self.changed)
1405+
self._id_colorizer=self.colorizer.callbacks.connect('changed',self.changed)
14061406
self.callbacks=cbook.CallbackRegistry(signals=["changed"])
14071407

14081408
defset_array(self,A):
@@ -1420,7 +1420,7 @@ def set_array(self, A):
14201420
ifAisNone:
14211421
self._A=None
14221422
return
1423-
A=cm._ensure_multivariate_data(self.cmap.n_variates,A)
1423+
A=cm._ensure_multivariate_data(self.colorizer.cmap.n_variates,A)
14241424

14251425
A=cbook.safe_masked_invalid(A,copy=True)
14261426
ifnotnp.can_cast(A.dtype,float,"same_kind"):
@@ -1433,38 +1433,49 @@ def set_array(self, A):
14331433
raiseTypeError(f"Image data of dtype{A.dtype} cannot be "
14341434
f"converted to a sequence of floats")
14351435
self._A=A
1436-
self.mapper.autoscale_None(A)
1436+
self.colorizer.autoscale_None(A)
1437+
1438+
defget_array(self):
1439+
"""
1440+
Return the array of values, that are mapped to colors.
1441+
1442+
The base class `.VectorMappable` does not make any assumptions on
1443+
the dimensionality and shape of the array.
1444+
"""
1445+
returnself._A
14371446

14381447
@property
1439-
defmapper(self):
1440-
returnself._mapper
1448+
defcolorizer(self):
1449+
returnself._colorizer
14411450

1442-
@mapper.setter
1443-
defmapper(self,mapper):
1444-
self._set_mapper(mapper)
1451+
@colorizer.setter
1452+
defcolorizer(self,colorizer):
1453+
self._set_colorizer(colorizer)
14451454

1446-
def_set_mapper(self,mapper):
1447-
ifisinstance(mapper,cm.Mapper):
1455+
def_set_colorizer(self,colorizer):
1456+
ifisinstance(colorizer,cm.Colorizer):
14481457
ifself._AisnotNone:
1449-
ifnotmapper.n_variates==self.mapper.n_variates:
1450-
raiseValueError('The newMapper object must have the same'
1458+
ifnotcolorizer.cmap.n_variates==self.colorizer.cmap.n_variates:
1459+
raiseValueError('The newColorizer object must have the same'
14511460
' number of variates as the existing data.')
14521461
else:
1453-
self.mapper.callbacks.disconnect(self._id_mapper)
1454-
self._mapper=mapper
1455-
self._id_mapper=mapper.callbacks.connect('changed',self.changed)
1462+
self.colorizer.callbacks.disconnect(self._id_colorizer)
1463+
self._colorizer=colorizer
1464+
self._id_colorizer=colorizer.callbacks.connect('changed',
1465+
self.changed)
14561466
self.changed()
14571467
else:
1458-
raiseValueError('Only aMapper object can be set tomapper.')
1468+
raiseValueError('Only aColorizer object can be set tocolorizer.')
14591469

1460-
defget_array(self):
1470+
def_get_colorizer(self):
14611471
"""
1462-
Return the array of values, that are mapped to colors.
1472+
Function to get the colorizer.
1473+
Useful in edge cases where you want a standalone variable with the colorizer,
1474+
but also want the colorizer to update if the colorizer on the artist changes.
14631475
1464-
The base class `.VectorMappable` does not make any assumptions on
1465-
the dimensionality and shape of the array.
1476+
used in `contour.ContourLabeler.label_colorizer`
14661477
"""
1467-
returnself._A
1478+
returnself._colorizer
14681479

14691480
defchanged(self):
14701481
"""
@@ -1484,7 +1495,7 @@ def format_cursor_data(self, data):
14841495
--------
14851496
get_cursor_data
14861497
"""
1487-
returnself.mapper._format_cursor_data(data)
1498+
returnself.colorizer._format_cursor_data(data)
14881499

14891500

14901501
def_get_tightbbox_for_layout_only(obj,*args,**kwargs):

‎lib/matplotlib/axes/_axes.py

Lines changed: 45 additions & 29 deletions
Original file line numberDiff line numberDiff line change
@@ -34,7 +34,7 @@
3434
frommatplotlibimport_api,_docstring,_preprocess_data
3535
frommatplotlib.axes._baseimport (
3636
_AxesBase,_TransformedBoundsLocator,_process_plot_format)
37-
frommatplotlib.cmimport_ensure_cmap,_ensure_multivariate_params
37+
frommatplotlib.cmimport_ensure_cmap,_ensure_multivariate_params,Colorizer
3838
frommatplotlib.axes._secondary_axesimportSecondaryAxis
3939
frommatplotlib.containerimportBarContainer,ErrorbarContainer,StemContainer
4040

@@ -4940,9 +4940,9 @@ def scatter(self, x, y, s=None, c=None, marker=None, cmap=None, norm=None,
49404940
collection.set_transform(mtransforms.IdentityTransform())
49414941
ifcolorsisNone:
49424942
collection.set_array(c)
4943-
collection.set_cmap(cmap)
4944-
collection.set_norm(norm)
4945-
collection._scale_norm(norm,vmin,vmax)
4943+
collection.colorizer.cmap=cmap
4944+
collection.colorizer.norm=norm
4945+
collection.colorizer._scale_norm(norm,vmin,vmax,collection.get_array())
49464946
else:
49474947
extra_kwargs= {
49484948
'cmap':cmap,'norm':norm,'vmin':vmin,'vmax':vmax
@@ -5266,14 +5266,6 @@ def reduce_C_function(C: array) -> float
52665266
else:
52675267
polygons= [polygon]
52685268

5269-
collection=mcoll.PolyCollection(
5270-
polygons,
5271-
edgecolors=edgecolors,
5272-
linewidths=linewidths,
5273-
offsets=offsets,
5274-
offset_transform=mtransforms.AffineDeltaTransform(self.transData)
5275-
)
5276-
52775269
# Set normalizer if bins is 'log'
52785270
ifcbook._str_equal(bins,'log'):
52795271
ifnormisnotNone:
@@ -5284,6 +5276,26 @@ def reduce_C_function(C: array) -> float
52845276
vmin=vmax=None
52855277
bins=None
52865278

5279+
collection=mcoll.PolyCollection(
5280+
polygons,
5281+
edgecolors=edgecolors,
5282+
linewidths=linewidths,
5283+
offsets=offsets,
5284+
offset_transform=mtransforms.AffineDeltaTransform(self.transData),
5285+
norm=norm,
5286+
cmap=cmap
5287+
)
5288+
5289+
ifmarginals:
5290+
ifvminisNone \
5291+
andvmaxisNone \
5292+
andnotisinstance(norm,mcolors.Normalize)\
5293+
andnotisinstance(norm,Colorizer)\
5294+
and'clim'notinkwargs:
5295+
marginals_share_colorizer=False
5296+
else:
5297+
marginals_share_colorizer=True
5298+
52875299
ifbinsisnotNone:
52885300
ifnotnp.iterable(bins):
52895301
minimum,maximum=min(accum),max(accum)
@@ -5293,16 +5305,16 @@ def reduce_C_function(C: array) -> float
52935305
accum=bins.searchsorted(accum)
52945306

52955307
collection.set_array(accum)
5296-
collection.set_cmap(cmap)
5297-
collection.set_norm(norm)
52985308
collection.set_alpha(alpha)
52995309
collection._internal_update(kwargs)
5300-
collection._scale_norm(norm,vmin,vmax)
5310+
collection.colorizer._scale_norm(norm,vmin,vmax,collection.get_array())
53015311

5312+
'''
53025313
# autoscale the norm with current accum values if it hasn't been set
53035314
if norm is not None:
53045315
if collection.norm.vmin is None and collection.norm.vmax is None:
53055316
collection.norm.autoscale()
5317+
'''
53065318

53075319
corners= ((xmin,ymin), (xmax,ymax))
53085320
self.update_datalim(corners)
@@ -5347,24 +5359,28 @@ def reduce_C_function(C: array) -> float
53475359
values=values[mask]
53485360

53495361
trans=getattr(self,f"get_{zname}axis_transform")(which="grid")
5350-
bar=mcoll.PolyCollection(
5351-
verts,transform=trans,edgecolors="face")
5362+
ifmarginals_share_colorizer:
5363+
bar=mcoll.PolyCollection(
5364+
verts,transform=trans,edgecolors="face",
5365+
norm=collection.colorizer)
5366+
else:
5367+
bar=mcoll.PolyCollection(
5368+
verts,transform=trans,edgecolors="face")
5369+
bar.colorizer.cmap=cmap
5370+
bar.colorizer.norm=norm
53525371
bar.set_array(values)
5353-
bar.set_cmap(cmap)
5354-
bar.set_norm(norm)
53555372
bar.set_alpha(alpha)
53565373
bar._internal_update(kwargs)
53575374
bars.append(self.add_collection(bar,autolim=False))
53585375

53595376
collection.hbar,collection.vbar=bars
53605377

5361-
defon_changed(collection):
5362-
collection.hbar.set_cmap(collection.get_cmap())
5363-
collection.hbar.set_cmap(collection.get_cmap())
5364-
collection.vbar.set_clim(collection.get_clim())
5365-
collection.vbar.set_clim(collection.get_clim())
5378+
ifnotmarginals_share_colorizer:
5379+
defon_changed():
5380+
collection.vbar.set_cmap(collection.get_cmap())
5381+
collection.hbar.set_cmap(collection.get_cmap())
53665382

5367-
collection.callbacks.connect('changed',on_changed)
5383+
collection.callbacks.connect('changed',on_changed)
53685384

53695385
returncollection
53705386

@@ -5954,7 +5970,7 @@ def imshow(self, X, cmap=None, norm=None, *, aspect=None,
59545970
ifim.get_clip_path()isNone:
59555971
# image does not already have clipping set, clip to Axes patch
59565972
im.set_clip_path(self.patch)
5957-
im._scale_norm(norm,vmin,vmax)
5973+
im.colorizer._scale_norm(norm,vmin,vmax,im.get_array())
59585974
im.set_url(url)
59595975

59605976
# update ax.dataLim, and, if autoscaling, set viewLim
@@ -6278,7 +6294,7 @@ def pcolor(self, *args, shading=None, alpha=None, norm=None, cmap=None,
62786294

62796295
collection=mcoll.PolyQuadMesh(
62806296
coords,array=C,cmap=cmap,norm=norm,alpha=alpha,**kwargs)
6281-
collection._scale_norm(norm,vmin,vmax)
6297+
collection.colorizer._scale_norm(norm,vmin,vmax,collection.get_array())
62826298

62836299
# Transform from native to data coordinates?
62846300
t=collection._transform
@@ -6513,7 +6529,7 @@ def pcolormesh(self, *args, alpha=None, norm=None, cmap=None, vmin=None,
65136529
collection=mcoll.QuadMesh(
65146530
coords,antialiased=antialiased,shading=shading,
65156531
array=C,cmap=cmap,norm=norm,alpha=alpha,**kwargs)
6516-
collection._scale_norm(norm,vmin,vmax)
6532+
collection.colorizer._scale_norm(norm,vmin,vmax,collection.get_array())
65176533

65186534
coords=coords.reshape(-1,2)# flatten the grid structure; keep x, y
65196535

@@ -6713,7 +6729,7 @@ def pcolorfast(self, *args, alpha=None, norm=None, cmap=None, vmin=None,
67136729
ret=im
67146730

67156731
ifnp.ndim(C)==2:# C.ndim == 3 is RGB(A) so doesn't need scaling.
6716-
ret._scale_norm(norm,vmin,vmax)
6732+
ret.colorizer._scale_norm(norm,vmin,vmax,C)
67176733

67186734
ifret.get_clip_path()isNone:
67196735
# image does not already have clipping set, clip to Axes patch

‎lib/matplotlib/backends/qt_editor/figureoptions.py

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -147,20 +147,20 @@ def prepare_data(d, init):
147147
labeled_mappables.append((label,mappable))
148148
mappables= []
149149
forlabel,mappableinlabeled_mappables:
150-
cmap=mappable.get_cmap()
150+
cmap=mappable.colorizer.cmap
151151
ifisinstance(cmap,mcolors.Colormap):
152152
cmaps= [(cmap,name)forname,cmapinsorted(cm._colormaps.items())]
153153
cvals=cm._colormaps.values()
154154
elifisinstance(cmap,mcolors.BivarColormap):
155155
cmaps= [(cmap,name)forname,cmapinsorted(cm._bivar_colormaps.items())]
156156
cvals=cm._bivar_colormaps.values()
157-
else:# isinstance(mappable.get_cmap(), mcolors.MultivarColormap):
157+
else:# isinstance(mappable.colorizer.cmap, mcolors.MultivarColormap):
158158
cmaps= [(cmap,name)forname,cmap
159159
insorted(cm._multivar_colormaps.items())]
160160
cvals=cm._multivar_colormaps.values()
161161
ifcmapnotincvals:
162162
cmaps= [(cmap,cmap.name),*cmaps]
163-
low,high=mappable.mapper.get_clim()
163+
low,high=mappable.colorizer.get_clim()
164164
iflen(low)==1:
165165
low=low[0]
166166
high=high[0]

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