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Time travelling animated program executions

Published: 04 September 2006 Publication History

Abstract

Visualizations of program executions are often generated on the fly. This has many advantages relative to off-line generation of animated video files. Video files, however, trivially support flexible viewing via controls that include reverse and fast forward. Here we report on an implementation of time travel that combines the best of both techniques.In ToonTalk both the construction and execution of programs are animated. Time travel enables the user to move back in time and replay animated executions. The replay can be paused and the user can skip forward or further back in time. The implementation of time travel is based records of every input event and periodic snapshots of the state of the computation.

References

[1]
Deutsch, D. 1997. The Fabric of Reality, Allen Lane, The Penguin Press.
[2]
Hundhausen, C. and Brown, D. 2005. What You See Is What You Code: A Radically Dynamic Algorithm Visualization Development Model for Novice Learners. IEEE Symposium on Visual Languages.
[3]
Kahn, K. 1996. ToonTalk#8482; -- An Animated Programming Environment for Children, Journal of Visual Languages and Computing.
[4]
Kahn, K. 1996b. Seeing Systolic Computations in a Video Game World, Proceedings of the IEEE Conference on Visual Languages, Bolder, Colorado.
[5]
Kahn, K. 2006. www.toontalk.com

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  • (2019)VISON: An Ontology-Based Approach for Software Visualization Tool Discoverability2019 Working Conference on Software Visualization (VISSOFT)10.1109/VISSOFT.2019.00014(45-55)Online publication date: Sep-2019

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cover image ACM Conferences
SoftVis '06: Proceedings of the 2006 ACM symposium on Software visualization
September 2006
199 pages
ISBN:1595934642
DOI:10.1145/1148493
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 04 September 2006

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Author Tags

  1. ToonTalk
  2. program visualization
  3. programming languages for children
  4. time travel

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Cited By

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  • (2019)VISON: An Ontology-Based Approach for Software Visualization Tool Discoverability2019 Working Conference on Software Visualization (VISSOFT)10.1109/VISSOFT.2019.00014(45-55)Online publication date: Sep-2019

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