Interactive Solar System Exploration for Highschool Education - - PowerPoint PPT Presentation

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Interactive Solar System Exploration for Highschool Education - - PowerPoint PPT Presentation

Nov 26, 2022 194 likes •439 views

Interactive Solar System Exploration for Highschool Education Stephan Wondrak, Lorenz Hurni | | Stephan Wondrak, Lorenz Hurni 29-Aug-13 1 Overview Introduction Goals The Model Demonstrations Technical Annotations

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Stephan Wondrak, Lorenz Hurni

29-Aug-13 Stephan Wondrak, Lorenz Hurni 1

Interactive Solar System Exploration for Highschool Education

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  • Introduction
  • Goals
  • The Model
  • Demonstrations
  • Technical Annotations
  • Conclusions and Outlook

29-Aug-13 Stephan Wondrak, Lorenz Hurni 2

Overview

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  • Swiss World Atlas
  • Official Swiss school atlas
  • Upper Elementary and High School education
  • 100th Anniversary celebration in 2010
  • Swiss World Atlas Interactive
  • Web Version of the Swiss World Atlas
  • Since October 2010
  • First (current) Release is a Java-Webapplication
  • Second Version (2015) will be based on HTML5

29-Aug-13 Stephan Wondrak, Lorenz Hurni 3

Introduction

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  • Development of an interactive tool
  • Major objects in the Solar System (diameter >100 km)
  • Physical and orbital characteristics
  • Various illustrations from different perspectives
  • Capability of scale and time span modification

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Presented Work

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  • Visualization of real proportions and distances
  • No inexplicit scale distortions (!)
  • Investigation of the capabilities of SVG (Scalable Vector

Graphics)

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Goals

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  • Objects
  • Sun, Planets, Dwarf Planets, Moons
  • Physical Characteristics
  • Size (Diameter), Flattening, Rotation Velocity, Axial Tilt
  • Orbital Characteristics
  • Average Radius, Speed, Period
  • Number of Satellites

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The Model

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  • 2D:

+ Scale is always determinable + Reduction to essential information − Depictions are not realistic/complete

  • 3D:

+ Realistic impressions/complete depictions + Complex issues are visible − Scale alters and is hardly determinable

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Why 2D?

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  • Features:
  • Sun, Planets, Moons, Orbits
  • Characteristics:
  • Size, Distances, Orbital Speed
  • User Interaction:
  • Zoom (Predefined Scales/Positions), Pan (Position)

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Solar System Overview (Illustration 1)

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  • Features:
  • Sun, Planets, Moons, Orbits
  • Characteristics:
  • Size, Distances, Orbital Speed
  • User Interaction:
  • Zoom (Predefined Scales/Positions), Pan (Position)

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Solar System Overview (Illustration 2)

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  • Features:
  • Sunlight, Virtual Camera, Sun, Planets, Orbits
  • Characteristics:
  • Distances, Speed of Light, Natural View
  • User Interaction:
  • Information detection (Arrival time, Natural view)

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Distances in our Solar System (Illustration 3)

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  • Features:
  • Planets
  • Object Characteristics:
  • Size, Flattening, Axial Tilt, Rotational-, Orbital Speed
  • User Interaction:
  • Definition of Time spans (Realtime/Animation)
  • Information detection (Animation Data)

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Planet Sizes and Movements (Illustration 4)

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  • Features:
  • Planets, Dwarf Planets, Moons (Diameter > 100 km)
  • Object Characteristics:
  • Size
  • User Interaction:
  • Definition of Scale (Slider)

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All Objects (Illustration 5)

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  • Features:
  • Sun, Planets
  • Object Characteristics:
  • Rotational Speed, Orbital Distance
  • User Interaction:
  • Start of Animation

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Sunsets (Illustration 6)

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  • HTML5 (Webpage)
  • SVG (Scalable Vector Graphics)
  • JavaScript (Interactivity)
  • jQuery (JS-Library)
  • CSS (Graphic Styles)

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Technical Annotations

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  • Essential information became apparent
  • Inexplicit scale distortions were avoided
  • Scalability allows the depiction of the whole Solar System
  • Combination of various illustrations is important

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Conclusions

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  • 3D-extension as the next main goal
  • Augmented user interface
  • Sounds in combination with interaction and/or animation

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Outlook

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  • Questions? ... Comments? ...
  • Contacts:
  • Stephan Wondrak: wondrak@karto.baug.ethz.ch
  • Lorenz Hurni: lhurni@ethz.ch
  • Website of the Swiss World Atlas:

www.swissworldatlas.ch

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Thank you for your attention!

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Stephan Wondrak, Lorenz Hurni

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Interactive Solar System Exploration for Highschool Education