Re: [Haskell-cafe] Graphics.Drawing

2010-09-06 Thread Sebastian Fischer


On Sep 6, 2010, at 1:57 PM, han wrote:

So the question is: Do you agree that Graphics.Rendering.OpenGL  
actually should have been Graphics.OpenGL (or just OpenGL) for  
wieldiness? If you don't, what is your reason? I would like to know.


Often, when this topic comes up, someone claims that ontology is  
overrated [1]. This time it's me.


Sebastian

[1]: http://www.shirky.com/writings/ontology_overrated.html


--
Underestimating the novelty of the future is a time-honored tradition.
(D.G.)



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Re: [Haskell-cafe] Graphics.Drawing

2010-09-06 Thread Ivan Lazar Miljenovic
On 6 September 2010 21:57, han e...@xtendo.org wrote:
 So the question is: Do you agree that Graphics.Rendering.OpenGL actually
 should have been Graphics.OpenGL (or just OpenGL) for wieldiness?

I think Graphics.OpenGL would have sufficed, unless there was
sufficient reason to want to group it with other rendering-specific
modules.

Admittedly, I'm biased, in that I proposed a new top-level Graph.*
namespace on the libraries mailing list and out of those few that
responded the main response was that there was no point in such a new
top-level namespace.

-- 
Ivan Lazar Miljenovic
ivan.miljeno...@gmail.com
IvanMiljenovic.wordpress.com
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Re: [Haskell-cafe] Graphics.Drawing

2010-09-06 Thread Rogan Creswick
On Mon, Sep 6, 2010 at 5:29 AM, Ivan Lazar Miljenovic
ivan.miljeno...@gmail.com wrote:
 On 6 September 2010 21:57, han e...@xtendo.org wrote:
 So the question is: Do you agree that Graphics.Rendering.OpenGL actually
 should have been Graphics.OpenGL (or just OpenGL) for wieldiness?

 I think Graphics.OpenGL would have sufficed, unless there was
 sufficient reason to want to group it with other rendering-specific
 modules.

I'm relatively new to the Haskell community, and one thing that's
bugged me a bit is that there doesn't seem to be a convention (aside
from common sense) for segmenting the module namespace as there is
with Java (my other primary language).

If you're not familiar with Java's conventions:

Each package producer is encouraged to prefix all their released
packages with a reversed dns name (more or less, I don't recall the
exact term).  For example, if Galois were to release a Java OpenGL
package, it would be named something like com.galois.graphics.opengl.

This makes it fairly easy to differentiate between different
implementations of similar things -- or just to reduce namespace
collisions.  This comes at the expense of typing a bit more, but no
one particularly cares in the java community because the IDEs take
care of that.

Anyway, I'm curious how module namespace collisions/pollution will be
handled in Haskell over the next 5-10 years.  Package hiding works in
some cases, but it seems like that will fail if you ever need to use
capabilities from packages that conflict within the same project.

Is this actually a problem, or am I worried about nothing?

--Rogan
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Re: [Haskell-cafe] Graphics.Drawing

2010-09-06 Thread Don Stewart
creswick:
 On Mon, Sep 6, 2010 at 5:29 AM, Ivan Lazar Miljenovic
 ivan.miljeno...@gmail.com wrote:
  On 6 September 2010 21:57, han e...@xtendo.org wrote:
  So the question is: Do you agree that Graphics.Rendering.OpenGL actually
  should have been Graphics.OpenGL (or just OpenGL) for wieldiness?
 
  I think Graphics.OpenGL would have sufficed, unless there was
  sufficient reason to want to group it with other rendering-specific
  modules.
 
 I'm relatively new to the Haskell community, and one thing that's
 bugged me a bit is that there doesn't seem to be a convention (aside
 from common sense) for segmenting the module namespace as there is
 with Java (my other primary language).
  
 Anyway, I'm curious how module namespace collisions/pollution will be
 handled in Haskell over the next 5-10 years.  Package hiding works in
 some cases, but it seems like that will fail if you ever need to use
 capabilities from packages that conflict within the same project.

Well, we have a single global namespace for some 30k modules on Hackage.
People are encouraged to partition their packages via top level names,
such as Control.* or System.*

An tree structure that is roughly followed,

http://haskell.org/haskellwiki/Hierarchical_module_names

However, when this was planned, I don't think we expected to go from 100
modules to 30k modules in 4 years, and there's been little work on
thinking about how to structure the module system at this scale, other
than work on explicit package naming and versioning.

-- Don
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Re: [Haskell-cafe] Graphics.Drawing

2010-09-05 Thread Ivan Lazar Miljenovic
On 6 September 2010 10:09, han e...@xtendo.org wrote:
 I think there should be Graphics.Drawing (along with Graphics.Rendering) and
 many graphics packages should go into it.

Why?

 So
 * Graphics.Rendering will contain more technical and rendering-engine-level
 packages (OpenGL, GD, ...)
 * while Graphics.Drawing will be for higher-level and user-friendlier
 drawing tools. (gloss, graphics-drawingcombinators, hieroglyph, Chart, ...)
 Currently most graphics packages are thrown into Graphics.Rendering or even
 Graphics. I think we all agree that having a standalone package right under
 Graphics is undesirable.

Why is it undesirable?  Henning Thielmann's gnuplot package for
example uses Graphics.Gnuplot.*.  Whilst we could make that
Graphics.Plotting.Gnuplot.*, the module names are getting a little
unwieldy then.

 There needs to be at least one subcategory. (which
 is why I also think Win32 and X11 should be moved from Graphics to
 Graphics.UI.)
 What do you think?

I fail to see a reason for this (well, I can see why it might be
desirable from an hierarchical point of view, but not how it will help
from a usage point of view since we don't really look for packages
based upon the module hierarchy but rather on package name,
descriptions and categories on Hackage).

-- 
Ivan Lazar Miljenovic
ivan.miljeno...@gmail.com
IvanMiljenovic.wordpress.com
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