def scatter(self, x, y, s, ax=None, fancy=False, **kwargs):
""" takes data coordinate x, y and plot them to a data coordinate axes,
s is the radius in data units.
When fancy is True, apply a radient filter so that the
edge is blent into the background; better with marker='o' or marker='+'. """
X, Y, S = numpy.asarray([x, y, s])
if ax is None: ax = self.default_axes
def filter(image, dpi):
# this is problematic if the marker is clipped.
if image.shape[0] <= 1 and image.shape[1] <= 1: return image
xgrad = 1.0 \
- numpy.fabs(numpy.linspace(0, 2,
image.shape[0], endpoint=True) - 1.0)
ygrad = 1.0 \
- numpy.fabs(numpy.linspace(0, 2,
image.shape[1], endpoint=True) - 1.0)
image[..., 3] *= xgrad[:, None]**0.5
image[..., 3] *= ygrad[None, :]**0.5
return image, 0, 0
marker = kwargs.pop('marker', 'x')
verts = kwargs.pop('verts', None)
# to be API compatible
if marker is None and not (verts is None):
marker = (verts, 0)
verts = None
objs = []
color = kwargs.pop('color', None)
edgecolor = kwargs.pop('edgecolor', None)
linewidth = kwargs.pop('linewidth', kwargs.pop('lw', None))
marker_obj = MarkerStyle(marker)
if not marker_obj.is_filled():
edgecolor = color
for x, y, r in numpy.nditer([X, Y, S], flags=['zerosize_ok']):
path = marker_obj.get_path().transformed(
marker_obj.get_transform().scale(r).translate(x, y))
obj = PathPatch(
path,
facecolor=color,
edgecolor=edgecolor,
linewidth=linewidth,
transform=ax.transData,
)
obj.set_alpha(1.0)
if fancy:
obj.set_agg_filter(filter)
obj.rasterized = True
objs += [obj]
ax.add_artist(obj)
ax.autoscale_view()
return objs
def scatter(self, x, y, s, ax=None, fancy=False, **kwargs):
""" takes data coordinate x, y and plot them to a data coordinate axes,
s is the radius in data units.
When fancy is True, apply a radient filter so that the
edge is blent into the background; better with marker='o' or marker='+'. """
X, Y, S = numpy.asarray([x, y, s])
if ax is None: ax=self.default_axes
def filter(image, dpi):
# this is problematic if the marker is clipped.
if image.shape[0] <=1 and image.shape[1] <=1: return image
xgrad = 1.0 \
- numpy.fabs(numpy.linspace(0, 2,
image.shape[0], endpoint=True) - 1.0)
ygrad = 1.0 \
- numpy.fabs(numpy.linspace(0, 2,
image.shape[1], endpoint=True) - 1.0)
image[..., 3] *= xgrad[:, None] ** 0.5
image[..., 3] *= ygrad[None, :] ** 0.5
return image, 0, 0
marker = kwargs.pop('marker', 'x')
verts = kwargs.pop('verts', None)
# to be API compatible
if marker is None and not (verts is None):
marker = (verts, 0)
verts = None
objs = []
color = kwargs.pop('color', None)
edgecolor = kwargs.pop('edgecolor', None)
linewidth = kwargs.pop('linewidth', kwargs.pop('lw', None))
marker_obj = MarkerStyle(marker)
if not marker_obj.is_filled():
edgecolor = color
for x,y,r in numpy.nditer([X, Y, S], flags=['zerosize_ok']):
path = marker_obj.get_path().transformed(
marker_obj.get_transform().scale(r).translate(x, y))
obj = PathPatch(
path,
facecolor = color,
edgecolor = edgecolor,
linewidth = linewidth,
transform = ax.transData,
)
obj.set_alpha(1.0)
if fancy:
obj.set_agg_filter(filter)
obj.rasterized = True
objs += [obj]
ax.add_artist(obj)
ax.autoscale_view()
return objs
def _html_args(self):
transform = self.line.get_transform() - self.ax.transData
data = transform.transform(self.line.get_xydata()).tolist()
markerstyle = MarkerStyle(self.line.get_marker())
markersize = self.line.get_markersize()
markerpath = path_data(markerstyle.get_path(),
(markerstyle.get_transform()
+ Affine2D().scale(markersize, -markersize)))
return dict(lineid=self.lineid,
data=json.dumps(data),
markerpath=json.dumps(markerpath))
def get_marker_style(line):
"""Get the style dictionary for matplotlib marker objects"""
style = {}
style["alpha"] = line.get_alpha()
if style["alpha"] is None:
style["alpha"] = 1
style["facecolor"] = color_to_hex(line.get_markerfacecolor())
style["edgecolor"] = color_to_hex(line.get_markeredgecolor())
style["edgewidth"] = line.get_markeredgewidth()
style["marker"] = line.get_marker()
markerstyle = MarkerStyle(line.get_marker())
markersize = line.get_markersize()
markertransform = markerstyle.get_transform() + Affine2D().scale(markersize, -markersize)
style["markerpath"] = SVG_path(markerstyle.get_path(), markertransform)
style["markersize"] = markersize
style["zorder"] = line.get_zorder()
return style
def get_marker_style(line):
"""Get the style dictionary for matplotlib marker objects"""
style = {}
style['alpha'] = line.get_alpha()
if style['alpha'] is None:
style['alpha'] = 1
style['facecolor'] = color_to_hex(line.get_markerfacecolor())
style['edgecolor'] = color_to_hex(line.get_markeredgecolor())
style['edgewidth'] = line.get_markeredgewidth()
style['marker'] = line.get_marker()
markerstyle = MarkerStyle(line.get_marker())
markersize = line.get_markersize()
markertransform = (markerstyle.get_transform() +
Affine2D().scale(markersize, -markersize))
style['markerpath'] = SVG_path(markerstyle.get_path(), markertransform)
style['zorder'] = line.get_zorder()
return style
def get_patches(self, ax):
ranges = LineCollection(self._cap_ranges, linestyle="solid")
links = LineCollection(self._oob_links,
linestyle="dotted",
colors=colorConverter.to_rgba_array("#808080"))
color = colorConverter.to_rgba_array("#DC143C")
scales = np.array((20, ))
marker_obj = MarkerStyle("o")
path = marker_obj.get_path().transformed(marker_obj.get_transform())
offsets = PathCollection((path, ),
scales,
facecolors=color,
offsets=self._oob_offsets,
transOffset=ax.transData)
offsets.set_transform(IdentityTransform())
return [ranges, links, offsets]
def get_marker_style(line):
"""Get the style dictionary for matplotlib marker objects"""
style = {}
style["alpha"] = line.get_alpha()
if style["alpha"] is None:
style["alpha"] = 1
style["facecolor"] = export_color(line.get_markerfacecolor())
style["edgecolor"] = export_color(line.get_markeredgecolor())
style["edgewidth"] = line.get_markeredgewidth()
style["marker"] = line.get_marker()
markerstyle = MarkerStyle(line.get_marker())
markersize = line.get_markersize()
markertransform = markerstyle.get_transform() + Affine2D().scale(
markersize, -markersize)
style["markerpath"] = SVG_path(markerstyle.get_path(), markertransform)
style["markersize"] = markersize
style["zorder"] = line.get_zorder()
return style
def get_marker_style(line):
"""Get the style dictionary for matplotlib marker objects"""
style = {}
style['alpha'] = line.get_alpha()
if style['alpha'] is None:
style['alpha'] = 1
style['facecolor'] = export_color(line.get_markerfacecolor())
style['edgecolor'] = export_color(line.get_markeredgecolor())
style['edgewidth'] = line.get_markeredgewidth()
style['marker'] = line.get_marker()
markerstyle = MarkerStyle(line.get_marker())
markersize = line.get_markersize()
markertransform = (markerstyle.get_transform()
+ Affine2D().scale(markersize, -markersize))
style['markerpath'] = SVG_path(markerstyle.get_path(),
markertransform)
style['markersize'] = markersize
style['zorder'] = line.get_zorder()
return style
def get_line_style(line):
"""Get the style dictionary for matplotlib Line2D objects."""
style = {}
style['alpha'] = line.get_alpha()
if style['alpha'] is None:
style['alpha'] = 1
style['color'] = color_to_hex(line.get_color())
style['linewidth'] = line.get_linewidth()
style['dasharray'] = get_dasharray(line)
style['facecolor'] = color_to_hex(line.get_markerfacecolor())
style['edgecolor'] = color_to_hex(line.get_markeredgecolor())
style['edgewidth'] = line.get_markeredgewidth()
style['marker'] = line.get_marker()
markerstyle = MarkerStyle(line.get_marker())
markersize = line.get_markersize()
markertransform = (markerstyle.get_transform()
+ Affine2D().scale(markersize, -markersize))
style['markerpath'] = SVG_path(markerstyle.get_path(), markertransform)
style['markersize'] = markersize
style['zorder'] = line.get_zorder()
return style
