If you work with spatial data, you'll likely come across rasters at some point. Raster data can be thought of as a grid of cells, and each cell contains a value. This value can be continuous, such as in an elevation model where the value in each cell represents feet above sea level. The Crop… Continue reading Raster Data
Byrd Polar Research Center and University Libraries are offering another basic GIS course. I heard great things about last year's workshop and wanted to share this opportunity with you. This year's focuses on Google and Esri based tools. Students are encouraged to bring laptops and mobile devices to get some hands-on experience. If you're in… Continue reading GIS Workshop in Columbus, OH
People ask me what I'm up to, and frequently my answer is "oh, just working on some data cleaning in GIS." This usually leads to the follow up question, "What is GIS?" Turns out that's kinda hard to answer. GIS stands for Geographic Information System. Note the word geographic-- the information involved has coordinates or… Continue reading What is GIS?