[ODE] ODE GUI Editor #2...

Limor Schweitzer limor666 at hotmail.com
Thu Feb 26 03:08:51 MST 2004


>From: "Ivan Tanev" <i_tanev at atr.jp>
>To: "ODE mailing list" <ODE at q12.org>
>Subject: Re: [ODE] ODE GUI Editor #2...
>Date: Thu, 26 Feb 2004 13:46:16 +0900
>
>Yes, I completely agree with the opinions about the benefits of using XML. 
>I
>just want to add one more:
>
>Considering the description of the artifact (simulated using ODE) as a
>morphology, and having this morphology written in XML implies that we are
>able to parse and traverse it in a form of, say, DOM-parse tree. And
>tree-like structures are quite convenient for implementing genetic
>operations - crossover and mutation. My point is: using XML we may have a
>format which offers a generic support to automatically *evolvable* (say,
>using genetic programming) artifacts' morphology. And the W3C-standard
>XML-schema (XSD-file) can be used as an generic way to represent and manage
>the syntax constrains imposed to the evolved morphologies in eventual
>strongly typed genetic programming. The same is true for the behavior of
>artifact too, if the latter is expressed in XML-format. Evolvable rather
>than a priori predefined simulated artifacts (and environments) seem to be
>feasible not only for exclusively research purposes (evolutionary robotics,
>bionics, etc.), but I guess (for example) for creating more unpredictable,
>more entertaining games too.
>

I find this relationship very exciting as it can create a much wider 
enthusiast audience for ODE and real-time physics simulation that would 
norally be intimidated by terms like "inertia tensor".

with regards to XML, another couple of advantages:

1) by using an xml-schema (that defines heirarchy/variable constraints) and 
an xml-schema editor like xmlspy, you can create or modify an ODE-file 
without the need of a GUI (even though seeing the proxies move around in 
ezphysics to fit into the skinned mesh has its merits).

2) compresssion/decompression is a "no-factor" with on-the-flight zip - 
www.gzip.org/zlib


Limor
(EZPhysics)

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