seadas course
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Seadas courseTRANSCRIPT
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SeaDAS Training CourseNASA Ocean Biology Processing Group
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-The SeaWiFS Data Analysis System (SeaDAS) is
a comprehensive image analysis package for the
processing, display, analysis, and quality control
of ocean color data.
-SeaDAS is intended for use with all of the OBPG
supported sensors: MODIS/Aqua, MODIS/Terra,
SeaWiFS, OCTS, CZCS.
-SeaDAS can also be very useful as a general
scientific imagery/data analysis package.
What is SeaDAS?
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SeaDAS - Processing and Display
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Processing-All sensors L0 or L1A to SMI-subscening-browse products
Data Visualization-image package (reads many formats)-geolocated display (coastline, gridlines, etc.)-various image/data functions
Data Manipulation-projection-band operations-output data
SeaDAS Functionalities
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-SeaDAS runs on “UNIX-like” systems (UNIX/linux/OS X)
-This means it does NOT run on Windows.
-Dedicated UNIX computer best, but there are options for
Windows users.
UNIX
linux
Mac OS X
SGI IRIX
Sun Solaris
MicrosoftWindowsUNIX
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-UNIX is a fully featured modern Operating System
-History (AT&T Bell Labs, Berkeley, UNIX, linux, OS X)
-It is available in a variety of ‘flavors’
-It is comprised of simple tools (commands) that perform a
single function well
-These tools can be used together to perform complex tasks
-Powerful Command line
-GUI
What is UNIX?
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Sample linux directory structure