Welcome to the Cornell Library GIS Cookbook! Here we share some of our favorite recipes for mapping and geospatial analysis using software like QGIS and ArcMap.

QGIS

• Count values in multi-valued columns
• Labels with callout lines
• Racial dot density map

ArcMap

• Creating contour lines from .las LiDAR data
• Convert data to CAD format
• Extract raster from FileGDB
• Georeference scanned maps using coordinate marks
• Join tabular data
• Use a different map projection
• Total lines per polygon