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github-actions merged 1 commit into from
Dec 7, 2025
Merged

feat(highcharts): implement scatter-basic #368

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101 changes: 101 additions & 0 deletions plots/highcharts/scatter/scatter-basic/default.py
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Original file line number Diff line number Diff line change
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"""
scatter-basic: Basic Scatter Plot
Library: highcharts
"""

import tempfile
import time
import urllib.request
from pathlib import Path

import numpy as np
from highcharts_core.chart import Chart
from highcharts_core.options import HighchartsOptions
from highcharts_core.options.series.scatter import ScatterSeries
from selenium import webdriver
from selenium.webdriver.chrome.options import Options


# Data
np.random.seed(42)
x = np.random.randn(100) * 2 + 10
y = x * 0.8 + np.random.randn(100) * 2

# Create chart with container specified
chart = Chart(container="container")
chart.options = HighchartsOptions()

# Chart configuration
chart.options.chart = {"type": "scatter", "width": 4800, "height": 2700, "backgroundColor": "#ffffff"}

# Title
chart.options.title = {"text": "Basic Scatter Plot", "style": {"fontSize": "48px"}}

# Axes
chart.options.x_axis = {
"title": {"text": "X Value", "style": {"fontSize": "36px"}},
"labels": {"style": {"fontSize": "28px"}},
"gridLineWidth": 1,
"gridLineColor": "rgba(0, 0, 0, 0.1)",
}

chart.options.y_axis = {
"title": {"text": "Y Value", "style": {"fontSize": "36px"}},
"labels": {"style": {"fontSize": "28px"}},
"gridLineWidth": 1,
"gridLineColor": "rgba(0, 0, 0, 0.1)",
}

# Legend
chart.options.legend = {"enabled": False}

# Create scatter series
series = ScatterSeries()
series.data = [[float(xi), float(yi)] for xi, yi in zip(x, y, strict=True)]
series.name = "Data"
series.color = "#306998"
series.marker = {"radius": 10, "fillColor": "#306998", "lineWidth": 0, "states": {"hover": {"enabled": True}}}

chart.add_series(series)

# Credits
chart.options.credits = {"enabled": False}

# Download Highcharts JS for inline embedding
highcharts_url = "https://code.highcharts.com/highcharts.js"
with urllib.request.urlopen(highcharts_url, timeout=30) as response:
highcharts_js = response.read().decode("utf-8")

# Generate HTML with inline scripts
html_str = chart.to_js_literal()
html_content = f"""<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script>{highcharts_js}</script>
</head>
<body style="margin:0;">
<div id="container" style="width: 4800px; height: 2700px;"></div>
<script>{html_str}</script>
</body>
</html>"""

# Write temp HTML and take screenshot
with tempfile.NamedTemporaryFile(mode="w", suffix=".html", delete=False, encoding="utf-8") as f:
f.write(html_content)
temp_path = f.name

chrome_options = Options()
chrome_options.add_argument("--headless")
chrome_options.add_argument("--no-sandbox")
chrome_options.add_argument("--disable-dev-shm-usage")
chrome_options.add_argument("--disable-gpu")
chrome_options.add_argument("--window-size=4800,2700")

driver = webdriver.Chrome(options=chrome_options)
driver.get(f"file://{temp_path}")
time.sleep(5)
driver.save_screenshot("plot.png")
driver.quit()

Path(temp_path).unlink()
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