NGSphone
Explain->ShapeFiles
This page is maintained by
NGS Software Requests
updated:04/06/09.13:19:58
What are ShapeFiles:
A ShapeFile is a format developed by the Environmental Systems Research Institute (ESRI)
for storing non-topological geometry and attribute information.
ShapeFiles are usually used in conjunction with ESRI software products,
but the format may be created and used by anyone.
See
ESRI whitepaper (pdf)
Retrieval:
Click
here
to go directly to the ShapeFiles Retrieval Page,
or go back to the
datasheet main page
and click on
ShapeFiles
Input is provided for retrieving by...
   
PID, Point Radius, Min/Max, StationName, Quad
   
ProjectID, County, or LoadDate
Retrieved output will consist of a list of stations
from which you may choose one or more
to obtain the station sdts data.
What Data Elements are included:
Currently the Latitude, Longitude, Orthometric Height and Ellipsoid Height
extracted from the NGS DataSheet are included in the ShapeFiles.
Other related information such as how the above data elements were
determined are also included.
Click
here
to view the full MetaData file.
Some free ShapeFile utilities:
ESRI ShapeFile viewer
ArcExplorer
Univ. Wisconsin Free ShapeFile viewer/editor
Forestry GIS
NOAA Datum Conversion Tool
ShapeNADCON
Geographic Resources Analysis Support System
GRASS
GIS Tutorial
Learn2Map
Return to
DATASHEET PAGE
   
Return to
NGS HOME PAGE