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  1. What is a geographic information system (GIS)?

    A Geographic Information System (GIS) is a computer system that analyzes and displays geographically referenced information. It uses data that is attached to a unique location.Most of the information we …

  2. What is GIS? | Geographic Information System Mapping Technology

    Find the definition of GIS. Learn how this mapping and analysis technology is crucial for making sense of data. Learn from examples and find out why GIS is more important than ever.

  3. ArcGIS Online

    Build interactive web maps with ArcGIS Online, Esri's web-based mapping software. Gain new perspectives and enhanced details as you interact with data, zoom in, and search on the map.

  4. Map - Wikipedia

    Although maps are commonly used to depict geographic elements, they may represent any space, real or fictional. The subject being mapped may be two-dimensional such as Earth's surface, three …

  5. MAPPING Definition & Meaning - Merriam-Webster

    The meaning of MAPPING is the act or process of making a map. How to use mapping in a sentence.

  6. An Introduction to Geospatial Mapping - Virginia Tech

    Feb 17, 2026 · Geospatial mapping is a spatial visualization method that enables the creation of customized maps to address specific requirements. Its primary aim is to show items with geographic …

  7. Mapping | Geography, Cartography & GIS | Britannica

    Mapping, any prescribed way of assigning to each object in one set a particular object in another (or the same) set. Mapping applies to any set: a collection of objects, such as all whole numbers, all the …

  8. Maps and Mapping - Education

    Maps have been a part of the National Geographic Society since the beginning. Gilbert H. Grosvenor, the first full-time editor of National Geographic, described maps as “the greatest of all epic poems. …

  9. Maplity - Free Online Mapping Tools

    Whether you're measuring distances, analyzing terrain, or creating heatmaps, our tools provide the accuracy and reliability you need. All our tools are built on industry-standard mapping libraries and …

  10. Mapping & GIS | Butler County, PA

    Dec 17, 2025 · The Butler County Mapping Department’s objective is to administer and maintain mapping information for the Tax Assessment office. Parcel data and maps are created using GIS …