Welcome to Introduction to Geographic Information Systems or GIS. This blog is a place for students to ask questions, for me to post information about GIS applications, and for students to share GIS related materials.
Rules of the Blog
Rules of the Blog
1. Only post GIS and class related items to the blog.
2. Be courteous and respectful to others.
3. No name-calling!
1. Only post GIS and class related items to the blog.
2. Be courteous and respectful to others.
3. No name-calling!
Sunday, June 24, 2012
Maps
Maps have many different uses. A map can tell you directions to get from one place to another such as a road map. There are thematic maps which allows one particular subject to be shown on the map, such as locations of car accidents in the past twelve months, a 5, 10, and 15 mile radius around all the state parks and state historic sites in Missouri, or a map showing all of the Kansas City area high schools like the one I made and added to this post. A choropleth map can be used to show percentages of where people live who are in poverty. This is done by using different grades of shading or different colors by the increasing amount of people who are in poverty from using US Census data. A map is just a picture with different symbols and lines if there is no description of what the map is trying to show. A good map will have a title, a legend, a directional arrow, a scale bar, and a source description to describe where the mapping data came from. Keep these attributes of a good map in mind when you make your maps for the final project.
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Here is a map I made
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