def save(self, name, mpl_kwargs=None, canvas=None):
"""Choose backend and save image to disk"""
from ._mpl_imports import \
FigureCanvasAgg, FigureCanvasPdf, FigureCanvasPS
if mpl_kwargs is None:
mpl_kwargs = {}
if 'papertype' not in mpl_kwargs:
mpl_kwargs['papertype'] = 'auto'
suffix = get_image_suffix(name)
if suffix == '':
suffix = '.png'
name = "%s%s" % (name, suffix)
mylog.info("Saving plot %s", name)
if suffix == ".png":
canvas = FigureCanvasAgg(self.figure)
elif suffix == ".pdf":
canvas = FigureCanvasPdf(self.figure)
elif suffix in (".eps", ".ps"):
canvas = FigureCanvasPS(self.figure)
else:
mylog.warning("Unknown suffix %s, defaulting to Agg", suffix)
canvas = self.canvas
with matplotlib_style_context():
canvas.print_figure(name, **mpl_kwargs)
return name
def _repr_png_(self):
from ._mpl_imports import FigureCanvasAgg
canvas = FigureCanvasAgg(self.figure)
f = BytesIO()
with matplotlib_style_context():
canvas.print_figure(f)
f.seek(0)
return f.read()
def save(self, name=None, suffix=None, mpl_kwargs=None):
r"""
Saves a 1d profile plot.
Parameters
----------
name : str
The output file keyword.
suffix : string
Specify the image type by its suffix. If not specified, the output
type will be inferred from the filename. Defaults to PNG.
mpl_kwargs : dict
A dict of keyword arguments to be passed to matplotlib.
"""
if not self._plot_valid:
self._setup_plots()
unique = set(self.plots.values())
if len(unique) < len(self.plots):
iters = izip(range(len(unique)), sorted(unique))
else:
iters = iteritems(self.plots)
if not suffix:
suffix = "png"
suffix = ".%s" % suffix
fullname = False
if name is None:
if len(self.profiles) == 1:
prefix = self.profiles[0].ds
else:
prefix = "Multi-data"
name = "%s%s" % (prefix, suffix)
else:
sfx = get_image_suffix(name)
if sfx != '':
suffix = sfx
prefix = name[:name.rfind(suffix)]
fullname = True
else:
prefix = name
xfn = self.profiles[0].x_field
if isinstance(xfn, tuple):
xfn = xfn[1]
fns = []
for uid, plot in iters:
if isinstance(uid, tuple):
uid = uid[1]
if fullname:
fns.append("%s%s" % (prefix, suffix))
else:
fns.append("%s_1d-Profile_%s_%s%s" %
(prefix, xfn, uid, suffix))
mylog.info("Saving %s", fns[-1])
with matplotlib_style_context():
plot.save(fns[-1], mpl_kwargs=mpl_kwargs)
return fns
def _repr_html_(self):
"""Return an html representation of the plot object. Will display as a
png for each WindowPlotMPL instance in self.plots"""
ret = ''
unique = set(self.plots.values())
if len(unique) < len(self.plots):
iters = izip(range(len(unique)), sorted(unique))
else:
iters = iteritems(self.plots)
for uid, plot in iters:
with matplotlib_style_context():
img = plot._repr_png_()
img = base64.b64encode(img).decode()
ret += r'<img style="max-width:100%%;max-height:100%%;" ' \
r'src="data:image/png;base64,{0}"><br>'.format(img)
return ret
def save(self, name, mpl_kwargs=None, canvas=None):
"""Choose backend and save image to disk"""
if mpl_kwargs is None:
mpl_kwargs = {}
if "papertype" not in mpl_kwargs and Version(
matplotlib.__version__) < Version("3.3.0"):
mpl_kwargs["papertype"] = "auto"
name = validate_image_name(name)
try:
canvas = get_canvas(self.figure, name)
except ValueError:
canvas = self.canvas
mylog.info("Saving plot %s", name)
with matplotlib_style_context():
canvas.print_figure(name, **mpl_kwargs)
return name
def save(self, name, mpl_kwargs=None, canvas=None):
"""Choose backend and save image to disk"""
from ._mpl_imports import (
FigureCanvasAgg,
FigureCanvasPdf,
FigureCanvasPS,
FigureCanvasSVG,
)
if mpl_kwargs is None:
mpl_kwargs = {}
if "papertype" not in mpl_kwargs and LooseVersion(
matplotlib.__version__
) < LooseVersion("3.3.0"):
mpl_kwargs["papertype"] = "auto"
suffix = get_image_suffix(name)
if suffix == "":
suffix = ".png"
name = f"{name}{suffix}"
mylog.info("Saving plot %s", name)
if suffix in _AGG_FORMATS:
canvas = FigureCanvasAgg(self.figure)
elif suffix in (".svg", ".svgz"):
canvas = FigureCanvasSVG(self.figure)
elif suffix == ".pdf":
canvas = FigureCanvasPdf(self.figure)
elif suffix in (".eps", ".ps"):
canvas = FigureCanvasPS(self.figure)
else:
mylog.warning("Unknown suffix %s, defaulting to Agg", suffix)
canvas = self.canvas
with matplotlib_style_context():
canvas.print_figure(name, **mpl_kwargs)
return name