Interactive Visualization of Software Components with Virtual Reality Headsets

Nov 26, 20171 like432 views

Andreas Schreiber and Marlene Brüggemann German Aerospace Center (DLR) Cologne / Berlin, Germany VISSOFT 2017, Shanghai, China

Interactive Visualization of Software Components
with Virtual Reality Headsets
Andreas Schreiber and Marlene Brüggemann
German Aerospace Center (DLR)
Cologne / Berlin, Germany
> VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 1

Software for Design and Simulation in Space, Aeronautics, Transportation, …
> VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 2

OSGi-based Applications
Large applications at DLR are based
on OSGi (Eclipse RCP)
• RCE
• VirSat
• SUMO
Developed by Teams
• >5 members
• Usually high labor turnover
> VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 3

OSGi
OSGi Specification
• Module system and service platform for Java
• Bundles
• Normal components (JARs) with extra
manifest headers
• Contain packages, which contain classes
• Services
• Java objects with Java interfaces
• Connect bundles dynamically
• Dependencies
• Import and Export of code between
bundles
> VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 4
Source: D. Seider, A. Schreiber, T. Marquardt and M. Brüggemann, "Visualizing
Modules and Dependencies of OSGi-Based Applications," 2016 IEEE Working
Conference on Software Visualization (VISSOFT), Raleigh, NC, 2016, pp. 96-100.

Uses Cases for Visualization of OSGi-based Applications
Use Cases
• Getting an impression of the
dimensions of the application
• Introducing a new member of the
development team
• Starting to work on a new module
• Checking for abnormalities in
the architecture
> VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 5
Requirements
• General overview about the system
• Interactive exploration
• Multiple remote users (team members)

2D or 3D?
> VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 6
Source: D. Seider, A. Schreiber, T. Marquardt and M. Brüggemann, "Visualizing
Modules and Dependencies of OSGi-Based Applications," 2016 IEEE Working
Conference on Software Visualization (VISSOFT), Raleigh, NC, 2016, pp. 96-100.

Visual Representation
> VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 7
Bundle
Packages
Services
Classes
Imports
Exports

Implementation
Framework
• Unity
Devices
• Oculus Rift and Google Cardboard
Data Source
• JSON model file
> VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 8

> VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 9

Future Work
General future work
• Graph database
• User study (w/eye tracking device)
• Voice interaction (digital assistants)
• Support for multiple users
Next version
• Developed for HTC Vive
• Changed visual concept
• AR version for Microsoft HoloLens
> VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 12

> 2nd European GeoInformation Symposium > A. Schreiber • Traceability and Reproducibility of Big Data Analytics Workflows Using Provenance > 21.06.2017DLR.de • Chart 13
Thank You!
Questions?
Andreas.Schreiber@dlr.de
www.DLR.de/sc | @onyame

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A Provenance Model for Quantified Self DataAndreas Schreiber

The document proposes a provenance model for quantified self data based on the W3C PROV standard. It describes motivations like understanding how QS data is produced, processed and accessed. The PROV standard concepts of entities, activities and agents are used to model common QS workflows like input, export, request, aggregate and visualize. Examples demonstrate exporting data from an app and visualizing with a script. The model could be used to standardize provenance for developers and allow traceability, reproducibility and analytics of QS data.

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This blood pressure report was created on December 24, 2012 for Michel Svensson born on April 17, 1963. It analyzes Michel's blood pressure readings taken between November 24, 2012 and December 24, 2012. The maximum, average, and minimum systolic and diastolic blood pressure readings are reported for morning, afternoon, evening and night periods. Based on the readings, 54.55% were considered normal, 27.27% prehypertensive, and 18.18% stage 1 hypertensive, with no stage 2 or hypertensive crisis readings.

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1. Interactive Visualization of Software Components with Virtual Reality Headsets Andreas Schreiber and Marlene Brüggemann German Aerospace Center (DLR) Cologne / Berlin, Germany > VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 1

2. Software for Design and Simulation in Space, Aeronautics, Transportation, … > VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 2

3. OSGi-based Applications Large applications at DLR are based on OSGi (Eclipse RCP) • RCE • VirSat • SUMO Developed by Teams • >5 members • Usually high labor turnover > VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 3

4. OSGi OSGi Specification • Module system and service platform for Java • Bundles • Normal components (JARs) with extra manifest headers • Contain packages, which contain classes • Services • Java objects with Java interfaces • Connect bundles dynamically • Dependencies • Import and Export of code between bundles > VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 4 Source: D. Seider, A. Schreiber, T. Marquardt and M. Brüggemann, "Visualizing Modules and Dependencies of OSGi-Based Applications," 2016 IEEE Working Conference on Software Visualization (VISSOFT), Raleigh, NC, 2016, pp. 96-100.

5. Uses Cases for Visualization of OSGi-based Applications Use Cases • Getting an impression of the dimensions of the application • Introducing a new member of the development team • Starting to work on a new module • Checking for abnormalities in the architecture > VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 5 Requirements • General overview about the system • Interactive exploration • Multiple remote users (team members)

6. 2D or 3D? > VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 6 Source: D. Seider, A. Schreiber, T. Marquardt and M. Brüggemann, "Visualizing Modules and Dependencies of OSGi-Based Applications," 2016 IEEE Working Conference on Software Visualization (VISSOFT), Raleigh, NC, 2016, pp. 96-100.

7. Visual Representation > VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 7 Bundle Packages Services Classes Imports Exports

8. Implementation Framework • Unity Devices • Oculus Rift and Google Cardboard Data Source • JSON model file > VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 8

9. > VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 9

10. > VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 10

11. > VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 11

12. Future Work General future work • Graph database • User study (w/eye tracking device) • Voice interaction (digital assistants) • Support for multiple users Next version • Developed for HTC Vive • Changed visual concept • AR version for Microsoft HoloLens > VISSOFT 2017 > A. Schreiber, M. Brüggemann • Interactive Visualization of Software Components with Virtual Reality Headsets > 18.09.2017DLR.de • Chart 12

13. > 2nd European GeoInformation Symposium > A. Schreiber • Traceability and Reproducibility of Big Data Analytics Workflows Using Provenance > 21.06.2017DLR.de • Chart 13 Thank You! Questions? [email protected] www.DLR.de/sc | @onyame

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