anyplot/plots/area-basic/implementations/highcharts.py at 045574f974edd96e82a9a1c51caf3a4d69163531 · MarkusNeusinger/anyplot · GitHub

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""" pyplots.ai
area-basic: Basic Area Chart
Library: highcharts 1.10.3 | Python 3.14.2
Quality: 91/100 | Created: 2025-12-23
"""

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.area import AreaSeries
from selenium import webdriver
from selenium.webdriver.chrome.options import Options


# Data - Daily website visitors over a month
np.random.seed(42)
days = np.arange(1, 31)
# Simulate website traffic with weekly pattern and growth trend
base_traffic = 2000 + days * 50  # Growth trend
weekly_pattern = 300 * np.sin(2 * np.pi * days / 7)  # Weekly cycle
noise = np.random.normal(0, 200, len(days))
visitors = base_traffic + weekly_pattern + noise
visitors = np.clip(visitors, 500, None).astype(int)

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

# Chart configuration — generous bottom margin to ensure x-axis title renders fully
chart.options.chart = {
    "type": "area",
    "width": 4800,
    "height": 2700,
    "backgroundColor": "#ffffff",
    "marginBottom": 300,
    "marginLeft": 220,
    "spacingBottom": 40,
}

# Title
chart.options.title = {
    "text": "area-basic \u00b7 highcharts \u00b7 pyplots.ai",
    "style": {"fontSize": "72px", "fontWeight": "bold"},
}

# Subtitle for data context
chart.options.subtitle = {
    "text": "Daily Website Visitors Over One Month",
    "style": {"fontSize": "42px", "color": "#666666"},
}

# X-axis — explicit margin and offset to prevent title clipping
chart.options.x_axis = {
    "title": {"text": "Day of Month", "style": {"fontSize": "48px"}, "margin": 30},
    "labels": {"style": {"fontSize": "36px"}, "y": 45},
    "gridLineWidth": 1,
    "gridLineColor": "rgba(0, 0, 0, 0.1)",
    "tickInterval": 1,
}

# Y-axis — min near data floor to maximize visual resolution of the data range
chart.options.y_axis = {
    "title": {"text": "Daily Visitors (count)", "style": {"fontSize": "48px"}},
    "labels": {"style": {"fontSize": "36px"}},
    "gridLineWidth": 1,
    "gridLineColor": "rgba(0, 0, 0, 0.1)",
    "min": 1500,
    "startOnTick": False,
}

# Plot options with semi-transparent fill and gradient
chart.options.plot_options = {
    "area": {
        "fillColor": {
            "linearGradient": {"x1": 0, "y1": 0, "x2": 0, "y2": 1},
            "stops": [[0, "rgba(48, 105, 152, 0.5)"], [1, "rgba(48, 105, 152, 0.05)"]],
        },
        "lineWidth": 4,
        "marker": {"enabled": True, "radius": 6, "fillColor": "#306998"},
        "color": "#306998",
        "tooltip": {"headerFormat": "<b>Day {point.x}</b><br/>", "pointFormat": "Visitors: {point.y:,.0f}"},
    }
}

# Legend — enabled with styling for single series identification
chart.options.legend = {
    "enabled": True,
    "itemStyle": {"fontSize": "36px", "fontWeight": "normal"},
    "align": "right",
    "verticalAlign": "top",
    "layout": "horizontal",
    "x": -40,
    "y": 60,
}

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

# Add series
series = AreaSeries()
series.data = [[int(d), int(v)] for d, v in zip(days, visitors, strict=True)]
series.name = "Website Visitors"
chart.add_series(series)

# 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)  # Wait for chart to render

driver.save_screenshot("plot.png")
driver.quit()

Path(temp_path).unlink()  # Clean up temp file