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Erik Doernenburg on Software Visualization
Posted by Mark Figley on Oct 23, 2007 10:10 PM
Erik Doernenburg talked with InfoQ about about "software visualization", a concept that he has been focused on for the past two years. Software visualization aims to provide a representation of artifacts at an intermediate level of abstraction which provides enough information to be useful but are at a high enough level that you can perform broadly scoped analysis. In Erik's words:
You generally only get the 30000 foot view where every system has a small little box or you have to ground level view where you are looking at actual source code, but that doesn't help the developers, that doesn't help the management and that doesn't help the enterprise architects. So we are looking for a way to actually find some middle ground to get a 100 foot view, to get a better understanding of software systems.
Interestingly, instead of imagining complicated modeling tools, Erik forwards a strategy for software visualization that uses a mix of some modest open source tools and manual customization. He likes in particular an old visualization tool called dot, which he has been able to use in powerful and creative ways to communicate hierarchical information. In a nod to the pragmatic, he also utilizes Excel spreadsheets for the analysis. And although the tools he uses might be basic, the idea is very powerful and is a necessary tool when attempting to absorb the context of large systems.
Watch the full interview with Erik Doernenburg (20 min)
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Visualizations in Performance Management Tools
by
William Louth
Posted
Oct 20, 2007 10:46 AM
Why not use Dependency Structure Matrix tools?
by
Han van Roosmalen
Posted
Oct 22, 2007 3:05 AM
Re: Why not use Dependency Structure Matrix tools?
by
Erik Doernenburg
Posted
Nov 1, 2007 1:10 AM
i care visual modeling
by
jack ding
Posted
Oct 24, 2007 12:24 AM
Title of the suggested book
by
Rafael de F. Ferreira
Posted
Oct 25, 2007 10:04 PM
Re: Title of the suggested book
by
Erik Doernenburg
Posted
Nov 1, 2007 1:13 AM
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....these have visualizations but I wouldn't really count that into metrics and visualizations field.
I would argue that visualizations in some performance management tools such as JXInsight exceed those of most other project or development centric tools on the market were the norm is for a dashboard with various metrics presented in green and red circles. Some tools related to structure analysis do a pretty good job at displaying a large number of inter-dependencies but timeline analysis is a much hard area to crack especially when trying to visualize millions events across a cluster of servers, across process and thread. Parallel & Remote Tracing http://blog.jinspired.com/?p=144 The Laws of Simplicity: Hide | Highlight http://blog.jinspired.com/?p=28 Beautiful Evidence: Metric Monitoring http://blog.jinspired.com/?p=33 I cannot imagine anyone not considering the following "visualizations" Database Concurrency http://www.jinspired.com/products/jxinsight/concurrency.html Database Lock Contention http://www.jinspired.com/products/jxinsight/olapvsoltp.html Maybe next time qualify the statement with "based on what I know of field X" regards, William Louth JXInsight Product Architect CTO, JINSPIRED "Performance monitoring and problem management for Java EE, SOA, and Grid Computing" http://www.jinspired.com -
Hi Erik, you are talking extensively about dependency and visualisation. I think you need to do some catching up to do. Many of the problems you express were already solved years ago when the DSM methodology was introduced. First in the mechanics problem domain. Since Lattix introduced this in 2004 an excellent visulisation appeared in the software industry. There are more tools starting to use DSM, but Lattix is the most advanced. It even allows you to change the code structure before you change the code. It even does not only work for Java (although it includes Spring, Hibernate and Oracle). For more information www.lattix.com. Just look at the demo and I am sure that you find what you are looking for. With kindest regards, Han van Roosmalen Software Architecting Consultant
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I thought the important field of software visualization should be visual modeling, not the report of code. but his idea is fun, how about store our code in DB(instead of store in plain text file), and using SQL to get some reports?
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The transcript shows the title of his second favorite book as "An object oriented metrics and software visualization". Is this really correct? What are the authors?
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Han, I am aware of tools such as Lattix LDM and Structure 101 by Headway Software. In my opinion DSM tools are useful and solve a certain class of problems well, but that doesn't mean that we can now sit back and declare dependency management solved. To give you an idea what I'm talking about, have a look at Softwarenaut: http://www.inf.unisi.ch/phd/lungu/softwarenaut/screenshots/ erik
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Object-Oriented Metrics in Practice: Using Software Metrics to Characterize, Evaluate, and Improve the Design of Object-Oriented Systems (Hardcover) by Michele Lanza (Author), Radu Marinescu (Author), Stephane Ducasse (Author) http://www.amazon.co.uk/Object-Oriented-Metrics-Practice-Software-Characterize/dp/3540244298
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