Fusion of Geodesy and GIS at NOAA’s National Geodetic Survey

Brian Shaw brian.shaw@noaa.gov

September 24, 2014 Geospatial Conference in the Rockies

Please take 5-7 minutes to read the handout for background information

The NGS Toolbox is composed of ArcGIS Python Script Tools

bfile

gfile

adj file

7/13/2014   5  2014  Esri  AEC  Summit  

GIS  is  only  for  low  spa0al  accuracy?  Median  accuracy  (95%  conf.):  0.9  cm  horiz,  1.5  cm  height  

latitude E longitude lat interval lon interval rows cols

Esri Grid Header

NGS Grid Header

7/13/2014   2014  Esri  AEC  Summit   17  

7/13/2014   18  2014  Esri  AEC  Summit  

7/13/2014   2014  Esri  AEC  Summit   19  

Experimental Geoid 14B with Aerogravity Blocks

Fusion of Geodesy and GIS at NOAA’s National Geodetic Survey

Brian Shaw brian.shaw@noaa.gov

September 24, 2014 Geospatial Conference in the Rockies

Questions?