grads essential component of cola s cyberinfrastructure
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GrADS: Essential Component of COLA’s Cyberinfrastructure. Brian Doty. Jennifer Adams. GrADS Capabilities. GrADS has 2 data models 5-D gridded data In situ (station) data Missing data handled throughout GrADS can read many data formats Binary BUFR GRIB (versions 1 & 2)

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grads capabilities
GrADS Capabilities
  • GrADS has 2 data models
  • 5-D gridded data
  • In situ (station) data
  • Missing data handled throughout
  • GrADS can read many data formats
  • Binary
  • BUFR
  • GRIB (versions 1 & 2)
  • HDF (versions 4 & 5)
  • NetCDF (versions 3 & 4)
  • Expression syntax is flexible, compact, recursive
  • Programmable interface for scripting
slide3

20 Years of GrADS

Begin version 2 development

BAMS CD-ROM distribution

GDS; OPeNDAP integration

Rapid community adoption

Name chosen; First release

Scripting language added

AMS Special Award

Version 2 released

User forum started

First code written

Survived Y2K

2010

1990

1995

2000

2005

development drivers
Development Drivers

Scientists’ known needs

  • Improve productivity of COLA scientists
  • Requests from the user forum

Anticipate future needs

  • Trends in modeling
  • Data formats, web tools, software libraries, etc.
  • Interoperability
to build grads link to
To build GrADS, link to:
  • libcurl
  • libdap
  • libdapclient
  • libdf
  • libgadap
  • libgd
  • libgeotiff
  • libgrib2c
  • libhdf5
  • libhdf5_hl
  • libjasper
  • libjpeg
  • libmfhdf
  • libncurses
  • libnetcdf
  • libpng12
  • libreadline
  • libshp
  • libsz
  • libtiff
  • libudunits
  • libxml2
  • libz
focus development in three areas
Focus Development in Three Areas

Analysis

  • Defop, Relational operators
  • SVD/EOF, sorting, distributions
  • ESMF grid interpolation

Display

  • Improve readability of quantitative information
  • More image tools
  • GIS

Performance

  • Multi-threading
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