def data_generator():
for x in range(25):
key = x / 2.
value = 2 * math.sin(x / 4.)
color = colors.get_color_between(bottom_collor, top_color,
(value + 2) / 4.)
yield charts.data(key, value, fill_color=color)
def f():
previous_point = None
length = 0
for point in gpx.walk(only_points=True):
if previous_point:
length += previous_point.distance_2d(point)
previous_point = point
yield mod_charts.data(length, point.elevation)
def f():
previous_point = None
length = 0
for point in gpx.walk(only_points=True):
if previous_point:
length += previous_point.distance_2d(point)
previous_point = point
yield mod_charts.data(length, point.elevation)
def f():
from_color = (255, 255, 0)
to_color = (100, 100, 255)
i = -2
while i < 6:
value = 2 * math.sin(i)
color = colors.get_color_between(from_color, to_color, (value + 2)/4.)
yield charts.data(i, value, fill_color=color, color=(0, 0, 0))
i += .05
def f():
from_color = (255, 255, 0)
to_color = (100, 100, 255)
i = -2
while i < 6:
value = 2 * math.sin(i)
color = colors.get_color_between(from_color, to_color,
(value + 2) / 4.)
yield charts.data(i, value, fill_color=color, color=(0, 0, 0))
i += .05
def test_piechart_2():
""" PieChart with custom colors """
coordinate_system = cartesius.CoordinateSystem()
piechart_data = (
charts.data('abc', 1, fill_color=(255, 200, 200)),
charts.data('cde', 2, fill_color=(200, 255, 200)),
charts.data('efg', 5, fill_color=(200, 200, 255)),
charts.data('ijk', 3, fill_color=(255, 255, 255)),
)
piechart = charts.PieChart(data=piechart_data, color=(0, 0, 0))
coordinate_system.add(piechart)
# No need for axes:
coordinate_system.add(elements.Axis(horizontal=True, hide=True))
coordinate_system.add(elements.Axis(vertical=True, hide=True))
return coordinate_system.draw(400, 250), coordinate_system.draw(400, 250, antialiasing=True),
def test_piechart_2():
""" PieChart with custom colors """
coordinate_system = cartesius.CoordinateSystem()
piechart_data = (
charts.data('abc', 1, fill_color=(255, 200, 200)),
charts.data('cde', 2, fill_color=(200, 255, 200)),
charts.data('efg', 5, fill_color=(200, 200, 255)),
charts.data('ijk', 3, fill_color=(255, 255, 255)),
)
piechart = charts.PieChart(data=piechart_data, color=(0, 0, 0))
coordinate_system.add(piechart)
# No need for axes:
coordinate_system.add(elements.Axis(horizontal=True, hide=True))
coordinate_system.add(elements.Axis(vertical=True, hide=True))
return coordinate_system.draw(300, 200), coordinate_system.draw(
300, 200, antialiasing=True),
def test_line_charts():
""" Line charts"""
import cartesius.colors as colors
coordinate_system = cartesius.CoordinateSystem()
# linechart (that mimic function chart) with generator and colors computed on the fly:
def f():
from_color = (255, 255, 0)
to_color = (100, 100, 255)
i = -2
while i < 6:
value = 2 * math.sin(i)
color = colors.get_color_between(from_color, to_color,
(value + 2) / 4.)
yield charts.data(i, value, fill_color=color, color=(0, 0, 0))
i += .05
coordinate_system.add(charts.LineChart(data=f, transparency_mask=0))
# filled line chart with labels
coordinate_system.add(
charts.LineChart(data=(charts.data(-2, 1, label='aaa'),
charts.data(0, -1, label='bbb'),
charts.data(3, 1.2), charts.data(7, 1.2)),
fill_color=(50, 50, 50),
transparency_mask=50))
# normal line chart with labels:
coordinate_system.add(
charts.LineChart(
data=(charts.data(0, 0), charts.data(1, -3),
charts.data(4,
3,
label='aaa',
label_position=cartesius.CENTER_DOWN),
charts.data(5,
-2,
label='custom label',
label_position=cartesius.RIGHT_CENTER),
charts.data(7, 0)),
color=(255, 0, 0),
transparency_mask=150))
return coordinate_system.draw(300, 200), coordinate_system.draw(
300, 200, antialiasing=True)
def test_line_charts():
""" Line charts"""
import cartesius.colors as colors
coordinate_system = cartesius.CoordinateSystem()
# linechart (that mimic function chart) with generator and colors computed on the fly:
def f():
from_color = (255, 255, 0)
to_color = (100, 100, 255)
i = -2
while i < 6:
value = 2 * math.sin(i)
color = colors.get_color_between(from_color, to_color, (value + 2)/4.)
yield charts.data(i, value, fill_color=color, color=(0, 0, 0))
i += .05
coordinate_system.add(
charts.LineChart(
data = f,
transparency_mask = 0))
# filled line chart with labels
coordinate_system.add(
charts.LineChart(
data = (charts.data(-2, 1, label='aaa'),
charts.data(0, -1, label='bbb'),
charts.data(3, 1.2),
charts.data(7, 1.2)),
fill_color = (50, 50, 50),
transparency_mask = 50))
# normal line chart with labels:
coordinate_system.add(
charts.LineChart(
data = (charts.data(0, 0),
charts.data(1, -3),
charts.data(4, 3, label='aaa', label_position=cartesius.CENTER_DOWN),
charts.data(5, -2, label='custom label', label_position=cartesius.RIGHT_CENTER),
charts.data(7, 0)),
color = (255, 0, 0),
transparency_mask = 150))
return coordinate_system.draw(400, 250), coordinate_system.draw(400, 250, antialiasing=True)
def test_barchart_2():
""" BarChart with different column widths """
coordinate_system = cartesius.CoordinateSystem()
barchart_data = (
charts.data(-5, -0, -.5, label='Negative value'),
charts.data(0, 1, size=.7),
charts.data(1, 3, size=2),
charts.data(3, 4, size=4, label='#1'),
charts.data(4, 5.5, size=3.1),
charts.data(6, 7, size=2.1),
charts.data(7, 9, size=1),
)
barchart = charts.BarChart(vertical=True, data=barchart_data, color=(0, 0, 0))
coordinate_system.add(barchart)
return coordinate_system.draw(400, 250), coordinate_system.draw(400, 250, antialiasing=True),
def test_barchart_2():
""" BarChart with different column widths """
coordinate_system = cartesius.CoordinateSystem()
barchart_data = (
charts.data(-5, -0, -.5, label='Negative value'),
charts.data(0, 1, size=.7),
charts.data(1, 3, size=2),
charts.data(3, 4, size=4, label='#1'),
charts.data(4, 5.5, size=3.1),
charts.data(6, 7, size=2.1),
charts.data(7, 9, size=1),
)
barchart = charts.BarChart(vertical=True,
data=barchart_data,
color=(0, 0, 0))
coordinate_system.add(barchart)
return coordinate_system.draw(300, 200), coordinate_system.draw(
300, 200, antialiasing=True),
def test_piechart_1():
""" PieChart with default colors """
coordinate_system = cartesius.CoordinateSystem()
# list or tuple of two-element tuples (value, label):
piechart_data = (
charts.data('abc', 1),
charts.data('cde', 2),
charts.data('efg', 4),
charts.data('ijk', 1),
charts.data('lmn', 5),
charts.data('opq', 5),
charts.data('xyz', 3),
)
piechart = charts.PieChart(data=piechart_data, color=(0, 0, 0))
coordinate_system.add(piechart)
# No need for axes:
coordinate_system.add(elements.Axis(horizontal=True, hide=True))
coordinate_system.add(elements.Axis(vertical=True, hide=True))
return coordinate_system.draw(400, 250), coordinate_system.draw(400, 250, antialiasing=True),
def test_piechart_1():
""" PieChart with default colors """
coordinate_system = cartesius.CoordinateSystem()
# list or tuple of two-element tuples (value, label):
piechart_data = (
charts.data('abc', 1),
charts.data('cde', 2),
charts.data('efg', 4),
charts.data('ijk', 1),
charts.data('lmn', 5),
charts.data('opq', 5),
charts.data('xyz', 3),
)
piechart = charts.PieChart(data=piechart_data, color=(0, 0, 0))
coordinate_system.add(piechart)
# No need for axes:
coordinate_system.add(elements.Axis(horizontal=True, hide=True))
coordinate_system.add(elements.Axis(vertical=True, hide=True))
return coordinate_system.draw(300, 200), coordinate_system.draw(
300, 200, antialiasing=True),
def data_generator():
for x in range(int(5 / 0.02)):
key = x
value = f(x)
color = (0, 0, 255)
yield charts.data(key, value, color=color)
def test_barchart_horizontal():
""" Horizontal bar charts """
coordinate_system = cartesius.CoordinateSystem()
barchart_data_1 = (
charts.data(-1, -.5, label='a'),
charts.data(0, .7, label='b'),
charts.data(1, 2, label='c'),
charts.data(2, 2.7, label='d'),
charts.data(3, 4, label='Maximum value'),
charts.data(4, 3.1, label='f'),
charts.data(5, 2.1, label='g'),
charts.data(6, 1, label='h'),
charts.data(7, -.3, label='The end!')
)
barchart_1 = charts.BarChart(horizontal=True, data=barchart_data_1, width=0.95)
coordinate_system.add(barchart_1)
custom_color = (100, 100, 200)
barchart_data_2 = (
charts.data(-1, -.25, fill_color=custom_color),
charts.data(0, .35, fill_color=custom_color),
charts.data(1, 1, fill_color=custom_color),
charts.data(2, 1.35, fill_color=custom_color),
charts.data(3, 2, fill_color=custom_color),
charts.data(4, 1.65, fill_color=custom_color),
charts.data(5, 1, fill_color=custom_color),
charts.data(6, .5, fill_color=custom_color),
charts.data(7, -.6, fill_color=custom_color)
)
barchart_2 = charts.BarChart(horizontal=True, data=barchart_data_2, width=0.75, color=(0, 0, 0))
coordinate_system.add(barchart_2)
return coordinate_system.draw(400, 250), coordinate_system.draw(400, 250, antialiasing=True),
def data_generator():
for x in range(25):
key = x / 2.
value = 2 * math.sin(x/4.)
color = colors.get_color_between(bottom_collor, top_color, (value + 2) / 4.)
yield charts.data(key, value, fill_color=color)
def test_barchart_horizontal():
""" Horizontal bar charts """
coordinate_system = cartesius.CoordinateSystem()
barchart_data_1 = (charts.data(-1, -.5,
label='a'), charts.data(0, .7, label='b'),
charts.data(1, 2,
label='c'), charts.data(2, 2.7, label='d'),
charts.data(3, 4, label='Maximum value'),
charts.data(4, 3.1,
label='f'), charts.data(5, 2.1, label='g'),
charts.data(6, 1, label='h'),
charts.data(7, -.3, label='The end!'))
barchart_1 = charts.BarChart(horizontal=True,
data=barchart_data_1,
width=0.95)
coordinate_system.add(barchart_1)
custom_color = (100, 100, 200)
barchart_data_2 = (charts.data(-1, -.25, fill_color=custom_color),
charts.data(0, .35, fill_color=custom_color),
charts.data(1, 1, fill_color=custom_color),
charts.data(2, 1.35, fill_color=custom_color),
charts.data(3, 2, fill_color=custom_color),
charts.data(4, 1.65, fill_color=custom_color),
charts.data(5, 1, fill_color=custom_color),
charts.data(6, .5, fill_color=custom_color),
charts.data(7, -.6, fill_color=custom_color))
barchart_2 = charts.BarChart(horizontal=True,
data=barchart_data_2,
width=0.75,
color=(0, 0, 0))
coordinate_system.add(barchart_2)
return coordinate_system.draw(300, 200), coordinate_system.draw(
300, 200, antialiasing=True),
def test_barchart_1():
""" Bar charts with same column width. One with default and the other with custom colors """
coordinate_system = cartesius.CoordinateSystem()
barchart_data_1 = (charts.data(-1, -.5), charts.data(0, .7),
charts.data(1, 2), charts.data(2,
2.7), charts.data(3, 4),
charts.data(4, 3.1), charts.data(5, 2.1),
charts.data(6, 1), charts.data(7, -.3))
barchart_1 = charts.BarChart(vertical=True,
data=barchart_data_1,
width=0.95)
coordinate_system.add(barchart_1)
custom_color = (100, 100, 200)
barchart_data_2 = (charts.data(-1, -.25, fill_color=custom_color),
charts.data(0, .35, fill_color=custom_color),
charts.data(1, 1, fill_color=custom_color),
charts.data(2, 1.35, fill_color=custom_color),
charts.data(3, 2, fill_color=custom_color),
charts.data(4, 1.65, fill_color=custom_color),
charts.data(5, 1, fill_color=custom_color),
charts.data(6, .5, fill_color=custom_color),
charts.data(7, -.6, fill_color=custom_color))
barchart_2 = charts.BarChart(vertical=True,
data=barchart_data_2,
width=0.75,
color=(0, 0, 0))
coordinate_system.add(barchart_2)
return coordinate_system.draw(300, 200), coordinate_system.draw(
300, 200, antialiasing=True),
def test_barchart_1():
""" Bar charts with same column width. One with default and the other with custom colors """
coordinate_system = cartesius.CoordinateSystem()
barchart_data_1 = (
charts.data(-1, -.5),
charts.data(0, .7),
charts.data(1, 2),
charts.data(2, 2.7),
charts.data(3, 4),
charts.data(4, 3.1),
charts.data(5, 2.1),
charts.data(6, 1),
charts.data(7, -.3)
)
barchart_1 = charts.BarChart(vertical=True, data=barchart_data_1, width=0.95)
coordinate_system.add(barchart_1)
custom_color = (100, 100, 200)
barchart_data_2 = (
charts.data(-1, -.25, fill_color=custom_color),
charts.data(0, .35, fill_color=custom_color),
charts.data(1, 1, fill_color=custom_color),
charts.data(2, 1.35, fill_color=custom_color),
charts.data(3, 2, fill_color=custom_color),
charts.data(4, 1.65, fill_color=custom_color),
charts.data(5, 1, fill_color=custom_color),
charts.data(6, .5, fill_color=custom_color),
charts.data(7, -.6, fill_color=custom_color)
)
barchart_2 = charts.BarChart(vertical=True, data=barchart_data_2, width=0.75, color=(0, 0, 0))
coordinate_system.add(barchart_2)
return coordinate_system.draw(400, 250), coordinate_system.draw(400, 250, antialiasing=True),
