GIS

Here are some links to old blog posts about GIS and related topics!

General:

• What is GIS?
• What’s a projection?
• What’s a datum?
• Deciding between projected and unprojected data
• EPSG numbers and coordinate reference systems
• On the Fly Projection

Maps:

• Color Palettes for Maps
• Getting Category Colors from ColorBrewer to QGIS
• DPI and Image Quality

Data Sources:

• Data Sources for Satellite Images
• Raster Data
• Shape Files
• Ag Census
• DEMs
• Soil Maps
• State and County Maps
• Climate and Weather

QGIS Software Tips:

• Project files
• Saving Layer Style Files
• Save a file with a new CRS
• Render Checkbox
• Project CRS

SAGA GIS Software Tips:

• Intro to SAGA GIS
• Terrain Analysis 
• Inverse Distance Weighting
• Geographically Weighted Regression