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Metro Line Hub - Explore global subway maps

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Explore subway line maps from around the world, with coverage of 300+ cities spanning Asia, Europe, the Americas, Africa, and Oceania—making it an essential resource for travelers, geospatial professionals, and public transport enthusiasts like urban planners.

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🧰 Professional Geospatial Toolkit Designed for precision, these tools simplify coordinate management: 📍 Coordinate Picker: Click any map point to capture exact latitude/longitude. 🔄 Coordinate System Converter: Seamlessly switch between WGS-84, GCJ-02, and other systems. 📐 DMS Converter: Instantly translate decimal degrees to degrees-minutes-seconds (e.g., 116.4074° → 116°24'26.64"). 📏 Distance Calculator: Measure straight-line distances between two coordinates (km/mi supported). 🧮 Helmert Transformation: Adjust coordinates across different geodetic datums via rotation/scaling. 🗺️ Projection Calculator: Convert geographic coordinates to planar systems (e.g., UTM).