About flow diagrams

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Hi Ian,

> I am just wondering if smalltalk has some parcels to make it easier to draw a flow diagram?
> Such as allowing to programmically generate a work flow diagram?

You may want to have a look at Mondrian. It is available on VW and other platforms.

Cheers,
Alexandre

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By the way, are there third party frameworks which one could use for drawing diagrams?
Ideally, I would be looking for something which accepts XML and outputs some graphs.
The language the framework is written is not of importance.


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---------------------
Von: Terry Raymond <[hidden email]>
Gesendet: 16.07.2010 13:49:59
An: 'Ian Jiang' <[hidden email]>,[hidden email]
Betreff: Re: [vwnc] About flow diagrams




Ian
 


 

There are two packages for drawing diagrams, HotDraw and GFST.
 

If you open the Parcel Manager you will find both of them in the
 

Graphics and UI category.
 


 

Terry

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From: [hidden email] [mailto:[hidden email]] On Behalf Of Ian Jiang
Sent: Friday, July 16, 2010 5:10 AM
To: [hidden email]
Subject: [vwnc] About flow diagrams
 



 
 
 

Hello list,
 
 


 
 
 


I am just wondering if smalltalk has some parcels to make it easier to draw a flow diagram?
 
 


Such as allowing to programmically generate a work flow diagram?
 
 


 
 
 



 --
 Best Regards,

 Ian Jiang
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Am 18.07.10 21:12 schrieb Claus Kick:
> By the way, are there third party frameworks which one could use for drawing
> diagrams?
> Ideally, I would be looking for something which accepts XML and outputs some
> graphs.
> The language the framework is written is not of importance.

Have a look at Graphviz: http://www.graphviz.org/

HTH,
Joachim Geidel


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Joachim Geidel schrieb: That does look great! Thanks for bringing that up!
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Personnaly I would consider it much more fun to just write it in Cairo.
After all what is a flow diagram, some mvc model,fully scalable views and drawings, rectangles, text lines and good
export (pdf, svg, png).
So basically everything the VW - Cairo package is good at.

@+Maarten,




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Am 21.07.10 08:39 schrieb Maarten MOSTERT:
> Personnaly I would consider it much more fun to just write it in Cairo.
> After all what is a flow diagram, some mvc model,fully scalable views and
> drawings, rectangles, text lines and good
> export (pdf, svg, png).
> So basically everything the VW - Cairo package is good at.

I find any sentence beginning with "It is only..." suspicious in the context
of software development. Claus hasn't told us much about the goals,
requirements and constraints of his project. Also, don't forget graph layout
algorithms in your list. Those aren't trivial at all - just look at the
results produced by your average UML tool to see what I mean. If I were
Claus' employer/customer and had to decide between "let me invent the wheel
again because it's fun" and "can be done with existing high quality
components supported by an open source community", I wouldn't think twice
about where to spend my money.

Joachim Geidel


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I agree. It's almost like saying, web apps are easy, you've got HTML,
CSS and JavaScript, you can bake it from scratch, who needs Seaside and
RoR. We've all seen plenty of awful graphs, so it can't be all about
anti-aliasing et al.

-Boris

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-----Original Message-----
From: [hidden email] [mailto:[hidden email]] On
Behalf Of Joachim Geidel
Sent: 21 July 2010 08:34
To: [hidden email]
Subject: Re: [vwnc] About flow diagrams

Am 21.07.10 08:39 schrieb Maarten MOSTERT:
> Personnaly I would consider it much more fun to just write it in
Cairo.
> After all what is a flow diagram, some mvc model,fully scalable views
> and drawings, rectangles, text lines and good export (pdf, svg, png).
> So basically everything the VW - Cairo package is good at.

I find any sentence beginning with "It is only..." suspicious in the
context of software development. Claus hasn't told us much about the
goals, requirements and constraints of his project. Also, don't forget
graph layout algorithms in your list. Those aren't trivial at all - just
look at the results produced by your average UML tool to see what I
mean. If I were Claus' employer/customer and had to decide between "let
me invent the wheel again because it's fun" and "can be done with
existing high quality components supported by an open source community",
I wouldn't think twice about where to spend my money.

Joachim Geidel


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I don't disagree with that, but please notice that I started my comments with <
>.
There are many things out there but not a lot are fexible enough to do <> what I (personaly) want.



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I don't disagree with that, but please notice that I started my comments with "Personaly".
There are many things out there but not a lot are fexible enough to do "Exactly" what I (personaly) want.

Regards,

@+Maarten,



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