def interpolation():
width, height = 600, 400
config = Config()
config.width = width
config.height = height
config.fill = True
config.style = styles['neon']
data = random.randrange(1, 10)
order = random.randrange(1, 10)
series = b64encode(pickle.dumps(_random_series(type, data, order)))
svgs = []
for interpolation in ('linear', 'slinear', 'nearest', 'zero',
'quadratic', 'cubic', 'krogh', 'barycentric',
'univariate', 4, 5, 6, 7, 8):
config.title = "%s interpolation" % interpolation
config.interpolate = interpolation
svgs.append({
'type': 'StackedLine',
'series': series,
'config': b64encode(pickle.dumps(config))
})
return render_template('svgs.jinja2',
svgs=svgs,
width=width,
height=height)
def rotation():
width, height = 375, 245
config = Config()
config.width = width
config.height = height
config.fill = True
config.style = styles['neon']
data = random.randrange(1, 10)
order = random.randrange(1, 10)
series = b64encode(pickle.dumps(_random_series(type, data, order)))
labels = [random_label() for i in range(data)]
svgs = []
config.show_legend = bool(random.randrange(0, 2))
for angle in range(0, 370, 10):
config.title = "%d rotation" % angle
config.x_labels = labels
config.x_label_rotation = angle
config.y_label_rotation = angle
svgs.append({'type': 'pygal.Bar',
'series': series,
'config': b64encode(pickle.dumps(config))})
return render_template('svgs.jinja2',
svgs=svgs,
width=width,
height=height)
def all(style='default', interpolate=None):
width, height = 600, 400
data = random.randrange(1, 10)
order = random.randrange(1, 10)
xy_series = _random(data, order)
other_series = []
for title, values in xy_series:
other_series.append((title, cut(values, 1)))
xy_series = b64encode(pickle.dumps(xy_series))
other_series = b64encode(pickle.dumps(other_series))
config = Config()
config.width = width
config.height = height
config.fill = bool(random.randrange(0, 2))
config.human_readable = True
config.interpolate = interpolate
config.style = styles[style]
config.x_labels = [random_label() for i in range(data)]
svgs = []
for chart in pygal.CHARTS:
type = chart.__name__
svgs.append({
'type': type,
'series': xy_series if type == 'XY' else other_series,
'config': b64encode(pickle.dumps(config))
})
return render_template('svgs.jinja2',
svgs=svgs,
width=width,
height=height)
def make_bar_chart(title, label, data, width=960, height=400):
"""Make a bar chart with given data and the appropriate style
:param title: The title of the chart
:param label: The label of the chart
:param data: The data
:param width: The width of the chart
:param data: The height of the chart
:returns chart:
"""
# Chart style
custom_style = BlueStyle
custom_style.background = "transparent"
custom_style.plot_background = "transparent"
custom_style.major_guide_stroke_dasharray = '0,0'
custom_style.guide_stroke_dasharray = '0,0'
# Chart config
css_style = Path(PACKAGE_DIR).joinpath('static/git/css/graph.css')
config = Config()
config.css.append('file://' + css_style.as_posix())
print(config.css)
chart = pygal.Bar(config)
chart.width = 960
chart.height = 400
chart.style = custom_style
chart.x_label_rotation = 45
chart.show_y_guides=True
chart.show_x_guides=False
chart.explicit_size=True
chart.title = title
chart.add('Count', data[0:20])
return chart
def __init__(self, config=None, **kwargs):
"""Init config"""
name = self.__class__.__name__
self.cls = REAL_CHARTS[name]
if config and isinstance(config, type):
config = config()
if config:
config = config.copy()
else:
config = Config()
config(**kwargs)
self.config = config
self.raw_series = []
def interpolation():
width, height = 600, 400
config = Config()
config.width = width
config.height = height
config.fill = True
config.style = styles['neon']
data = random.randrange(1, 10)
order = random.randrange(1, 10)
series = b64encode(pickle.dumps(_random_series(type, data, order)))
svgs = []
for interpolation in 'quadratic', 'cubic', 'lagrange', 'trigonometric':
config.title = "%s interpolation" % interpolation
config.interpolate = interpolation
svgs.append({
'type': 'pygal.StackedLine',
'series': series,
'config': b64encode(pickle.dumps(config))
})
for params in [{'type': 'catmull_rom'}, {'type': 'finite_difference'},
{'type': 'cardinal',
'c': .25}, {'type': 'cardinal',
'c': .5}, {'type': 'cardinal', 'c': .75},
{'type': 'cardinal',
'c': 1.5}, {'type': 'cardinal',
'c': 2}, {'type': 'cardinal', 'c': 5},
{'type': 'kochanek_bartels', 'b': 1, 'c': 1,
't': 1}, {'type': 'kochanek_bartels', 'b': -1, 'c': 1,
't': 1}, {'type': 'kochanek_bartels', 'b': 1,
'c': -1, 't': 1},
{'type': 'kochanek_bartels', 'b': 1, 'c': 1, 't': -1}, {
'type': 'kochanek_bartels', 'b': -1, 'c': 1, 't': -1
}, {'type': 'kochanek_bartels', 'b': -1, 'c': -1,
't': 1}, {'type': 'kochanek_bartels', 'b': -1,
'c': -1, 't': -1}]:
config.title = "Hermite interpolation with params %r" % params
config.interpolate = 'hermite'
config.interpolation_parameters = params
svgs.append({
'type': 'pygal.StackedLine',
'series': series,
'config': b64encode(pickle.dumps(config))
})
return render_template(
'svgs.jinja2', svgs=svgs, width=width, height=height
)
def __init__(self, config=None, **kwargs):
"""Config preparation and various initialization"""
if config:
if isinstance(config, type):
config = config()
else:
config = config.copy()
else:
config = Config()
config(**kwargs)
self.config = config
self.state = None
self.uuid = str(uuid4())
self.raw_series = []
self.xml_filters = []
def all(style='default', color=None, interpolate=None, base_style=None):
width, height = 600, 400
data = random.randrange(1, 10)
order = random.randrange(1, 10)
if color is None:
style = styles[style]
else:
style = parametric_styles[style](color,
base_style=styles[base_style
or 'default'])
xy_series = _random(data, order)
other_series = []
for title, values, config in xy_series:
other_series.append((title, cut(values, 1), config))
xy_series = b64encode(pickle.dumps(xy_series))
other_series = b64encode(pickle.dumps(other_series))
config = Config()
config.width = width
config.height = height
config.fill = bool(random.randrange(0, 2))
config.interpolate = interpolate
config.style = style
svgs = []
for chart in pygal.CHARTS:
type = '.'.join((chart.__module__, chart.__name__))
if chart._dual:
config.x_labels = None
else:
config.x_labels = [random_label() for i in range(data)]
svgs.append({
'type': type,
'series': xy_series if chart._dual else other_series,
'config': b64encode(pickle.dumps(config))
})
return render_template('svgs.jinja2',
svgs=svgs,
width=width,
height=height)
