Data analysis and visualization tool development at GFD Dennou Club
Outline
GFD Dennou Club?
Activities of the GFD Dennou Club
Data analysis and visualization tool development - the davis project
The Dennou Ruby project
What’s Ruby?
Why Ruby?
Performance consideration
Dennou Ruby homepage http://ruby.gfd-dennou.org or http://www.gfd-dennou.org/arch/ruby
Dennou Ruby homepage (Japanese version) http://ruby.gfd-dennou.org/index-j.html
Ruby interface of the NetCDF library
Recalling the NetCDF data model…
The Ruby interface API
Sample script -- copy.rb: a command to copy any NetCDF file
Sample script -- subset handling
GPhys A class of Gridded Physical quantities
Structure of GPhys
VArray
Tiling (Case 2b)
Units of physical quantities
Coordinates
File I/O
Big data handling
Numerical calculation libraries
GPhys visualizers
gave screenshot (English/Japanese switchable)
Sample scripts (1)
Sample scripts (2)
Remote object access with dRuby
Simplest server and client
GPhys directory service -- class GDir
Remote GPhys service using GDir
Firewalls and security
Summary of related products (Mar 2004)
Future outlook
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NetCDF’s define mode / data mode problem
subset mapping of VArray