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List:       kde-promo
Subject:    Re: [kde-promo] Text for inclusion on release-notes.
From:       Jos Poortvliet <jospoortvliet () gmail ! com>
Date:       2009-12-13 10:46:46
Message-ID: 200912131146.49832.jospoortvliet () gmail ! com
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On Sunday 13 December 2009 04:08:24 Tomaz Canabrava wrote:
> And a new program is included in Kde-Edu, Rocs. but what is and what's not
>  about this little piece of software? It's an educational app, this is
>  straigthforward, but for what?
> Can be used in quite a few ways actually. It is a Graph Plotter & Scripting
>  Interface, with that huge name, where can anybody uses that? well, what
>  about a Class about Algorithms, and the teacher wants to teach how a 'for'
>  works, and the following algorithm is applied.: Plot a few nodes on
>  screen, and...
> 
> var colors = new Array("red", "green", "blue", "black");
> var Balls = Graph.list_nodes();
> for( var i = 0; i < Balls.length; i++){
>    Balls[i].color = colors[i];
> }
> 
> The result is Graphically changed, since all nodes plotted on the canvas
>  will now have a different color, it's better than the old console output
>  visualization method used till today Now, let's increase the dificulty.:
>  you can do almost all Graph Algorithms using a small subset of the
>  JavaScript language, plus a few things on a simple graph API.
> 
> it can be used in Algorithms, Data Structure, Graphs and quite more
>  classes. a really userful sci-app.
> 

Thomas,

Thank you for this input. I do want to rewrite this a bit, as the above is 
both a bit technical and (for me at least) incomprehensible ;-)



So would the following be true:

Another new educational application is Rocs, a graph plotter & scripting 
interface. Rocs is meant to help educators demonstrate the basic principles of 
programming graph algorithms. It works using a small subset of the JavaScript 
language and has a simple to use graph programming interface. 

And what could I add to the above? What other usecases can you describe? The 
feature guide generally tries to focus on specific usecases, going between 
generic ones and usecases for specific target users. I can't have a look at 
this app as I don't have SC 4.4 beta 1 here, which is why I have to ask...

I had a look at http://edu.kde.org/rocs/ - and I'm wondering, can you use this 
graphically (eg point and click) and have it create the script/code from that? 
And does moving a point in the graph change the code? If that is the case I 
think I should mention it, sounds neath ;-)

grtz
Jos

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