ArcGIS Tile Downloader

This Python script allows you to download map tiles from an ArcGIS tile server asynchronously. It uses the aiohttp library for efficient concurrent downloads and tqdm for progress tracking.

Features

• Asynchronous tile downloading
• Automatic calculation of tile ranges based on server configuration
• Progress bar to track download status
• Configurable number of concurrent workers

Requirements

• Python 3.7+
• aiohttp
• tqdm

Installation

1. Clone this repository: git clone https://github.com/for/arcGIS-Downloader.git cd arcGIS-Downloader

2. Install the required packages.

Configuration

Before running the script, you need to configure the following variables in the tile_downloader.py file:

• CONFIG_URL: The URL of the ArcGIS MapServer configuration JSON.
• SAVE_DIR: The directory where downloaded tiles will be saved.
• MAX_WORKERS: The maximum number of concurrent download workers.

You also need to replace the placeholder URL in the download_tile function with your actual tile server URL.

Usage

Run the script using Python: python arcGIS_Downloader.py

The script will create the specified save directory if it doesn't exist, fetch the server configuration, calculate tile ranges, and start downloading tiles. Progress will be displayed in the console.