Modular HDFView is an improved HDFView with replaceable I/O and GUI modules. It consists of several interfaces that enable users to write and use alternative implementations of I/O and GUI components to replace default modules. The HDF-EOS plugin will be used as examples.

1. HDFView With HDF-EOS Plug-in
Peter Cao, National Center for Supercomputing Applications
Ray Milnurn, Dave Buto, L-3 Communications Government Services, Inc.
This work is supported in part by a Cooperative Agreement
with the National Aeronautics and Space Agency (NASA) and
National Center for Supercomputing Applications (NCSA)
HDF and HDF-EOS
Workshop VIII, October 2628, 2004
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2. About This Presentation
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Review of the HDFView
How to implement an HDFView module
An example: HDF-EOS plug-ins
HDF and HDF-EOS
Workshop VIII, October 2628, 2004
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3. What Is HDFView
HDFView is a visual tool to view and edit HDF4 and HDF5 files
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Easy to use (conventional treeview, tableview, tableview)
Runs on multiple platforms
Extendable to support user plug-ins (I/O and GUI)
Open remote file with URL
HDF and HDF-EOS
Workshop VIII, October 2628, 2004
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4. Install And Run HDFView
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Download
http://hdf.ncsa.uiuc.edu/hdf-java-html/hdfview/index.html
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Windows
To install, hdfview_install_windows_vm.exe
To run, Start -> programs Files -> NCSA HDFView 2.1 -> HDFView 2.1
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Unix
To install, sh ./hdfview_install_{linux, solaris, irix}_{vm, novm}.bin
To run, $HDFVIEW_HOME/hdfview
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Mac OS X
To install, open hdfview_install_macosx_novm.zip
To run, click the "HDFView" on the desktop
HDF and HDF-EOS
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5. How TO Use HDFView
Open from file dialog
Open from recent file list
Type local file path or remote URL
Double mouse click
Right mouse click
Log Info or Metadata
HDF and HDF-EOS
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6. What is An HDFView Module
It is a user adds-on component to HDFView to
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Support new file format
Display file content in different way
TreeView
ImageView
HDF and HDF-EOS
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7. Modular Model
GUI Interfaces
TableView
TreeView
ImageView
User GUI Module
MetaDataView
TextView
HDFView
Abstract I/O
Group
FileFormat
User I/O Module
Dataset
HDF and HDF-EOS
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8. Steps To Implement A Module
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Include HDFView jar files in your classpath
Write your I/O and GUI module
Pack and put your jar file at $HDFVIEW/lib/ext
HDF and HDF-EOS
Workshop VIII, October 2628, 2004
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9. HDF-EOS Plug-ins
hdfeos.object.he2
HE2File
ncsa.ndf.object
FileFormat
hdfeos.object.he5
HE5File
ncsa.ndf.view
hdfeos.view
TreeView
HETreeView
ncsa.ndf.view
MetaDataView
hdfeos.view
HEMetadataView
ncsa.ndf.view
hdfeos.view
TableView
HETableView
HDF and HDF-EOS
Workshop VIII, October 2628, 2004
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10. Register HDF-EOS File Format
HDF and HDF-EOS
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11. Use HDF-EOS Plug-ins
HDF and HDF-EOS
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12. Questions
HDF and HDF-EOS
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