Scatter Chart

import numpy as np
import lightningchart as lc

lc.set_license('my-license-key')

# Create a random dataset
np.random.seed(42) # For reproducibility
data_size = 6000
depth = np.random.uniform(0, 700, data_size)  
magnitude = np.random.uniform(-1, 7, data_size) 

# Initialize the chart
chart = lc.ChartXY(title="Scatter points", theme=lc.Themes.Light)

# Add a point series for scatter plot
point_series = chart.add_point_series()

# Set the color palette to represent magnitude intensity
point_series.set_palette_point_coloring(
    steps=[
        {'value': -1.0, 'color': ('darkblue')}, 
        {'value': 2.0, 'color': ('lightblue')}, 
        {'value': 4.0, 'color': ('orange')}, 
        {'value': 7.0, 'color': ('red')},  
    ],
    look_up_property='y',
    percentage_values=False  # False to use absolute values
)

# Add the data points and map them
point_series.add(x=depth, y=magnitude)

# Set axis titles
x_axis = chart.get_default_x_axis()
x_axis.set_title("Depth (km)")

y_axis = chart.get_default_y_axis()
y_axis.set_title("Magnitude")

chart.open()

Bubble Chart

import lightningchart as lc
import random

lc.set_license('my-license-key')

chart = lc.ChartXY(
    theme=lc.Themes.Light,
    title='Bubble Chart'
)
series = chart.add_point_series(
    sizes=True,
    rotations=True,
    lookup_values=True,
)

x_values = []
y_values = []
lookup_values = []
rotations = []
sizes = []

y = 0
for x in range(250):
    y = y + (random.random() * 2) - 1
    x_values.append(x)
    y_values.append(y)
    sizes.append(random.randint(10, 50))
    rotations.append(random.randint(0, 360))
    lookup_values.append(random.uniform(0, 1))

series.append_samples(
    x_values=x_values,
    y_values=y_values,
    sizes=sizes,
    lookup_values=lookup_values
)

series.set_individual_point_color_enabled(True)
series.set_palette_point_coloring(
    steps=[
        {'value': 0.0, 'color': (255, 0, 0, 128)},
        {'value': 1.0, 'color': (0, 255, 255, 128)},
    ],
    look_up_property='value',
    percentage_values=True
)

chart.open()

Bubble Chart​

Bubble Chart