COGO (Coordinate Geometry) is a tool that maps the geometry from survey plans for land parcels, road allowances, and property easements.
If you’re a bit confused whether or not to use a file geodatabase (*.gdb) or a personal geodatabase (*.mdb)… Here’s everything you need to know.
Over the years, the USGS has been a driving force in the production of GIS data. The USGS formats we explore are DLG, DRG and DOQ.
The main spatial data types are vectors and rasters. Rasters have grid cells while vectors are points , lines and polygons consisting of vertices & paths.
ArcGIS shapefile files are composed of mandatory files (SHP, SHX and DBF) and optional files (PRJ, XML, SBN and SBX). This article lists their functions.