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OS VectorMap District Download Instructions OS VectorMap District is a free, open dataset from Ordnance Survey providing a simple vector basemap at 1:25,000 scale covering Great Britain. It’s designed for creating graphical mapping and can serve as either a standalone…
Complete Guide to Downloading Ordnance Survey OpenData for Free Ordnance Survey (OS) is Britain’s national mapping agency, providing some of the world’s most accurate and detailed geographic data. While many OS products are commercial, they offer a substantial collection of…
UK Census 2021 Data GIS Mapping Tutorial Introduction The UK Census 2021 represents the most comprehensive snapshot of the UK population in a decade, providing invaluable demographic, social, and economic data. This tutorial will guide you through the process of…
Parliamentary Constituency Boundaries GIS Data Parliamentary constituency boundaries represent one of the most critical datasets in democratic governance, defining the geographic areas that elect representatives to national legislatures. Geographic Information Systems (GIS) technology has revolutionized how these boundaries are created,…
NAD83 CSRS vs NAD83 Original Introduction The North American Datum of 1983 (NAD83) serves as a fundamental geodetic reference system for mapping and surveying across North America. However, in Canada, two distinct realizations of this datum exist: the original NAD83…
OS Code-Point Open Postcode Mapping Data Ordnance Survey’s Code-Point® Open is an open dataset of all the current postcode units in Great Britain. Code-Point Open locates over 1.7 million postcode units for Great Britain, each having a notional geographical location.…
Traffic Counter Data GIS Integration: Comprehensive Guide Overview Traffic counter data GIS integration involves combining vehicle count information from various detection systems with geographic information systems to create powerful tools for transportation planning, traffic management, and urban development. This integration…
New York Wetlands: GIS Data Resources and Regulatory Updates New York State has implemented the most significant expansion of wetland protection in its history, with new regulations taking effect January 1, 2025. These changes, coupled with enhanced GIS data availability,…
California Census Tract GIS Boundaries Census tracts serve as fundamental geographic units for organizing and analyzing demographic, economic, and social data across California. These small, relatively permanent statistical subdivisions provide essential spatial frameworks for research, planning, policy development, and resource…
California Wildfire GIS Datasets: Download Sources and Links California offers extensive GIS datasets for wildfire analysis, mapping, and research through several official government portals. Here’s a comprehensive guide to the primary sources and direct download links. Primary Data Sources 1.…
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