Data Visualization Development Tutorials, Guides & Insights

Unlock 4+ expert-curated data visualization tutorials, real-world code snippets, and modern dev strategies. From fundamentals to advanced topics, boost your data visualization skills on DeveloperBreeze.

Tutorial

javascript

Data Visualization with D3.js and JavaScript: A Comprehensive Guide

Including D3.js via CDN:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>D3.js Visualization</title>
    <script src="https://d3js.org/d3.v7.min.js"></script>
</head>
<body>
    <!-- Your visualization will be rendered here -->
    <div id="chart"></div>
</body>
</html>

Aug 30, 2024

Tutorial

Getting Started with ApexCharts

   npm install apexcharts

   import ApexCharts from 'apexcharts';

Aug 21, 2024

Code

python

Generate and Save Multiple Randomly Colored Grids with Unique IDs

import random
import uuid
from PIL import Image, ImageDraw

# Constants for image and rectangle dimensions
IMAGE_SIZE = (2000, 2000)
RECTANGLE_SIZE = (400, 400)
GRID_SIZE = (5, 5)  # Number of rectangles in rows and columns
OUTPUT_DIR = './'  # Directory to save the images

for _ in range(5):  # Generate 5 images
    # Generate a unique run ID
    run_id = uuid.uuid1()
    print(f'Processing run_id: {run_id}')

    # Create a blank image
    image = Image.new('RGB', IMAGE_SIZE)
    draw_image = ImageDraw.Draw(image)

    # Calculate rectangle dimensions
    rect_width, rect_height = RECTANGLE_SIZE
    grid_cols, grid_rows = GRID_SIZE

    # Draw the grid of rectangles with random colors
    for i in range(grid_cols):
        for j in range(grid_rows):
            x = i * rect_width
            y = j * rect_height
            rectangle_shape = [
                (x, y),  # Top-left corner
                (x + rect_width, y + rect_height)  # Bottom-right corner
            ]
            draw_image.rectangle(
                rectangle_shape,
                fill=(
                    random.randint(0, 255),  # Random red
                    random.randint(0, 255),  # Random green
                    random.randint(0, 255)   # Random blue
                )
            )

    # Save the generated image with the run ID as the filename
    output_file = f'{OUTPUT_DIR}{run_id}.png'
    image.save(output_file)
    print(f'Image saved as {output_file}')

Jan 26, 2024

Code

python

Create and Save Random Color Grid as PNG Image

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