Source: http://hdfeos.org/workshops/ws01/presentations/DATAEXPL/DATAEXPL.ppt

1. IBM Visualization Data Explorer
HDF-EOS Workshop
September 10, 1997
Carl Spongberg
Marketing Representative
carls@watson.ibm.com

2. Agenda
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Data Explorer (DX) Overview
Why DX
Examples
How to learn more

3. Description
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Application Development Environment
Data from Multiple Sources
Powerful Data Model
Large Library of Modules

4. Application Development
• Visual Program
Editor (VPE)
• Command/Script
• DX-Link

5. Data from Multiple Sources
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Contrast and Comparison
DX Direct (HDF!)
Filters/Links
Informix
File
Help
Options
Select the format of your data:
Data Explorer file
CDF format
NetCDF format file
HDF format
Image file
Grid or Scattered file (General Array Format)
Spreadsheet format
file
Hints

6. The Data Model
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Regular and Irregular Data
Structured and Unstructured Data
Missing/Invalid Data
RGB, TIFF, GIF
Unified Data Handling!

7. Variety of Modules
• Importing
• GUI Development
• Analysis and
Computation
• Camera
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Image Processing
Image/Display
Exporting
VRML2
Debugging

8. DX Strengths
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Platform Support
Data Model, Large Data
Analysis, Computation, Subsetting,
Contrast, Comparison and Animation
Modeling and Promoting

9. Platform Support
• High-End
– IBM SP2, SGI Origin, SMP
• The Middle
– Unix Workstations (DEC, DG, HP, IBM, Sun, and SGI)
• Low(?)-End
– Windows 95/NT
(3D Software, Hardware, and OpenGL Rendering for All!)

10. Examples

11. FoamV

12. FoamV

13. DX Group

14. NASA - GSFC

15. NASA - Langley
• Clouds and the Earth’s Radiant Energy
System (CERES)
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Instrument Earth Scans (IES)
Single Satellite Footprint (SSF)
Biderectional Scan (BDS)
ES8

16. More Information
• Data Explorer Web Site:
http://www.almaden.ibm.com/dx/
• Marketing Information:
ibmdx@watson.ibm.com
or
Carl Spongberg
carls@watson.ibm.com
(703)205-5630

17. Summary
• Application Development Tool
• Data Model, Data Model, Data Model…
• Accurate Contrast, Comparison, Modeling
and Promoting
• …Web/Java