Streaming Soil Survey Data in Google Earth (updates)

Submitted by dylan on Thu, 2008-04-17 00:55.

STATSGO KML sample imageSTATSGO KML thumbnail

SSURGO KML ThumbnailSSURGO KML Thumbnail

A short update to a previous post on the visualization of NCSS/USDA soil survey data in Google Earth. The use of the NetworkLink construct, combined with the spatial indexing present in PostGIS, allows for very rapid lookup and presentation of this massive database. Scale-dependant switching between the detailed (SSURGO) and generalized (STATSGO) databases is done through simple area calculation in PostGIS.

Here is the link to the KMZ file. Here is a link to our conventional viewer application, based on Ka-Map / Mapserver, using the same PostGIS back-end (previous post on this). This PLSS KML file is very useful along-side soil survey information.

 
Feedback is always welcome!

 
Updates:

  • added link to download-able KMZ file, no longer need to manually create a network link
  • KMZ (compressed KML) is now used to for streaming soil survey data (5x-10x smaller files)
  • graphical component summaries are presented in the map unit info "bubble"

Soil-Web Graphical Component ListSoil-Web Graphical Component List


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whole country?
Submitted by Anna (not verified) on Wed, 2008-06-18 22:44.

This is awesome. Do you know whether anyone has done all the lower 48 states?

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Couldn't find soils KMZ file
Submitted by SB (not verified) on Mon, 2008-06-16 20:11.

Your soils layer for Google Earth looks very useful. However, the link to the KMZ file didn't work for me--it just redirects to a webpage. Am I missing the download? Can you help me get it? Thanks!

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fixed
Submitted by dylan on Tue, 2008-06-17 15:06.

Thanks for the note. The link is now fixed.

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