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What is GIS?
GIS stands for Geographic Information System. A GIS is a computer system for the management, analysis, and display of geographic data.
Benefits of an Online Map
Online maps are dynamic! What makes them so great?
- You can ask it questions—can’t do that with paper maps
- You can do analysis and comparisons, either spatial or temporal
- Easy layering
- Easy projection and changes of projection
- Change scale, features, colors, symbols and the way data is classified
Steps to Creating a StoryMap
Other Online Mapping Tools
GIS data can come from many different sources including the following:
- Governments (federal, state, local, international) - might be free, might require purchase and licensing.
- Libraries - have geospatial data on CD or in an online repository. They also have paper and/or online map collections.
- Commercial data providers - will sell you GIS data.
- Organizations - are creating GIS data, and might be willing to share.
- You - can create your own GIS data.
This GIS & Data subject guide list various data sources.
Free Online Mapping Courses