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Planetary Data in Education Community

 

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Planetary Data in Learning Environments
A Community Workshop
Monday, August 1, 2005

Group Discussions - Group B

What technical issues are involved in data access and use for developers and end-users?

Each group should designate a facilitator and a scribe.

The scribe will document the group discussion (computer, notepad); notes will be given to the program organizers.

The facilitator will report out to the workshop participants at the close of the group discussion. Please refer to the “Group Report-Out Questions”

Possible guiding questions:

  • Are the appropriate data available?
  • Are they easily accessed and utilized by the developer; if not, what practical steps are needed to make them easily accessible?
  • Are they easily accessed and utilized by the end-user? Steps needed?
  • What exemplary programs exist?
  • What research exists / is needed with respect to this topic?
  • What is needed to ensure collaboration between the provider, developer, and end-user?

Group Report-Out Questions (facilitator)

  • What were the major findings / discussion points?
  • What needs were identified? / What additional information is needed from this community group?
  • What are the priorities?
  • How can the PDE Initiative assist? How will this community group interact with the PDE?
  • What are the next steps to address the needs and priorities?
Group B Discussions – Technical Issues

1. Mix of developers, and uses, comp. sci

  • lots of data
  • is it free? Change over time (Landsat – available from secondary provider U.Md.)
  • high-res info on Earth not available?

2. No

  • map projection
  • data format
  • size of files
  • need special tools
  • to process imagery (make processed data available (i.e. program)
  • tools to quantify data (ImageJ - free, etc.)
  • 3-D mappings – go below or above surface
  • raw data — ability to use data in real-time; proprietary 3-D ??? tools
  • topography/texture mapping

3. Where to get the information? Correct resolution?

  • Facilitate dialog between software developer and data providers – create a center or virtual group
  • Knowing who is working on it currently — interface — what are real needs understanding how the data are collected
  • Allow different levels of processing per the needs of the user.
  • Annual conference for software developers for Space Science applications ADAS(?)
  • Toolkit for each data format
  • Even for science users
  • Should have info up front to describe data
  • Use consistent formats (formats are complicated – not easy to use)
  • Put metadata in one place
  • I.e. NVO for Space Science
  • Single interface to data wherever they are held
  • Caution — Earth Science did not work
  • Ideas – digital library may be a good model
  • Collect what data are available — different users want different things

Switchboard that allows you to access the data

1. Gateway -> Switchboard info about format

1a. Liason -> Scientists – Computer science - Education (format acceptable to general public

2. Multiple users

  • different levels of data use (visualizations, analysis(use numbers and do science))
  • Need to allow inquiry-based without continual learning curves for new images or tools; run on multiple platforms

3. Analyse programs out there – exemplary programs (ImageJ, HubbleSource, My NASA Data, Astronaut photos of Earth) EarthSLOT – Matt Nolan U.Alaska - Fairbanks; 3D GIS and terrain visualization tool to look at data all different kinds of data hyperlinked to a specific location: EarthSlot can look at change over time.

 

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