xtractomatic is an R package developed to subset and extract satellite and 
other oceanographic related data from a remote server. The program can extract 
data for a moving point in time along a user-supplied set of longitude, 
latitude and time points; in a 3D bounding box; or within a polygon (through 
time).  An update to the package has been released.  The major change (besides 
some minor bug fixes and prettifying of code) is the inclusion of some 20 new 
datasets.  These include the reprocessed SeaWIFS chlorophyll data (R2014.0), 
MUR SST v4.1, a MUR-based SST anomaly, a 750m VIIIRS chlorophyll dataset for 
the North Pacific, a HYCOM-based estimate of sea surface height,  and an 
estimate of frontal probability.

I am slowly working on getting xtractomatic suitable for submission to CRAN,  
in the meantime the instructions for installing the package can be found on the 
Github site https://github.com/rmendels/xtractomatic.  Also there is the 
wonderful "rerddap" package from the rOpenSci  folk which is available from 
CRAN.

-Roy
 


**********************
"The contents of this message do not reflect any position of the U.S. 
Government or NOAA."
**********************
Roy Mendelssohn
Supervisory Operations Research Analyst
NOAA/NMFS
Environmental Research Division
Southwest Fisheries Science Center
***Note new address and phone***
110 Shaffer Road
Santa Cruz, CA 95060
Phone: (831)-420-3666
Fax: (831) 420-3980
e-mail: roy.mendelss...@noaa.gov www: http://www.pfeg.noaa.gov/

"Old age and treachery will overcome youth and skill."
"From those who have been given much, much will be expected" 
"the arc of the moral universe is long, but it bends toward justice" -MLK Jr.

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