Vector data: Feature Data & Attribute Tables Types of GIS Data Each “Record” in the table… …Connected to a “Feature” in the “Feature Data” UNH Cooperative Extension 2010

Points well heads, fire hydrants, control points Arcs roads, streams, political boundaries Polygons watersheds, towns, cons lands UNH Cooperative Extension 2010 Types of GIS Data VECTOR current GIS GE GM old GIS.e00.gdb.shp.kmz

2. Raster Data Does not have discrete Features or Attributes Can be shown with Feature Data. Feature data Image data (shown on top of) UNH Cooperative Extension 2010 Types of GIS Data

Aerial photos NAIP – National Agricultural Imagery Program DOQ’s – digital orthophoto quads USGS topographic quads DRG’s – digital raster graphics Topographic data DEM’s – digital elevation models UNH Cooperative Extension 2010 Types of GIS Data.dem.tif.sid.jp2.tif.sid.jp2 RASTER