[Haskell] ANN: diagrams-0.6

[bucephalus org]

Dear Brent and co-authors of diagrams,

this is a very nice thing, thank you very much!
I was recently missing a tool that was able to output simple PNG diagrams
from the input of lists of point coordinates. My solution was very ad-hoc
and suited to my background: I am only familiar with the \begin{pspicture}
... \end{pspicture} environment of LaTeX, so in my version a tex file was
generated, and then compiled and converted. But your drawing package is
much more adult and powerful. I only had a first view and I didn't try it,
yet, but I am sure that I will migrate. Thank you for the appealing docs,
this is a pleasure to read. And in contrast to lot of well-programmed
Haskell packages, that rather neglect the human side of the story.

Yours,
Thomas B.

On Wed, Dec 12, 2012 at 4:00 AM, Brent Yorgey <byorgey at seas.upenn.edu>wrote:

> I am pleased to announce the release of version 0.6 of diagrams [1], a
> full-featured framework and embedded domain-specific language for
> declarative drawing. Check out the gallery [2] for examples of what it
> can do! [3,4]
>
> [1] http://projects.haskell.org/diagrams
> [2] http://projects.haskell.org/diagrams/gallery.html
> [3] http://mathlesstraveled.com/2012/11/05/more-factorization-diagrams/
> [4] http://projects.haskell.org/diagrams/gallery/PythagoreanTree.html
>
> Highlights of this release include:
>
> -   Diagrams now comes with a native-Haskell SVG backend [5] by default.
>     If you were holding off on trying diagrams because you couldn't
>     install cairo, you no longer have an excuse!
>
> -   Proper support for subdiagrams: previous versions of diagrams-core
>     had a mechanism for associating names with a pair of a location and
>     an envelope. Now, names are associated with actual subdiagrams
>     (including their location and envelope, along with all the other
>     information stored by a diagram). This enables cool techniques like
>     constructing a diagram in order to position its subelements and then
>     taking it apart again, or constructing animations via keyframing.
>
> -   Traces: in addition to an envelope, each diagram now stores a
>     "trace", which is like an embedded raytracer: given any ray
>     (represented by a base point and a vector), the trace computes the
>     closest point of intersection with the diagram along the ray. This
>     is useful for determining points on the boundary of a diagram, e.g.
>     when drawing arrows between diagrams.
>
> -   The core data structure underlying diagrams has been completely
>     refactored and split out into its own separate package, dual-tree
>     [6].
>
> -   Support for GHC 7.6.
>
> -   Many more new features, bug fixes, and improvements! See the release
>     notes [7] for complete details, and the diagrams wiki [8] for help
>     migrating from 0.5 to 0.6.
>
> [5] http://hackage.haskell.org/package/diagrams%2Dsvg
> [6] http://hackage.haskell.org/package/dual%2Dtree
> [7] http://projects.haskell.org/diagrams/releases.html
>
> Try it out
> ----------
>
> For the truly impatient:
>
>     cabal install diagrams
>
> Diagrams is supported under GHC 7.0 through 7.6, with the exception that
> the cairo and gtk backends do not build under GHC 7.0 (but the SVG
> backend does), and the gtk backend does not build under GHC 7.6.
>
> To get started with diagrams, read the quick tutorial [9], which will
> introduce you to the fundamentals of the framework.
>
> For those who are less impatient and want to really dig in and use the
> power features, read the user manual [10].
>
> [8] http://www.haskell.org/haskellwiki/Diagrams/Migrate0.6
> [9] http://projects.haskell.org/diagrams/tutorial/DiagramsTutorial.html
> [10] http://projects.haskell.org/manual/diagrams-manual.html
>
> Get involved
> ------------
>
> Subscribe to the project mailing list [11], and/or come hang out in the
> #diagrams IRC channel on freenode.org for help and discussion. Make some
> diagrams. Fix some bugs [12]. Submit your cool examples for inclusion in
> the gallery [13] or your cool code for inclusion in the diagrams-contrib
> [14] package!
>
> [11] http://groups.google.com/group/diagrams-discuss
> [12] http://github.com/diagrams/
> [13] http://projects.haskell.org/diagrams/gallery.html
> [14] http://hackage.haskell.org/package/diagrams%2Dcontrib
>
> Happy diagramming!
>
> Brought to you by the diagrams team:
>
> -   Michael Sloan
> -   Ryan Yates
> -   Brent Yorgey
>
> with contributions from:
>
> -   Sam Griffin
> -   Niklas Haas
> -   Peter Hall
> -   Claude Heiland-Allen
> -   Deepak Jois
> -   John Lato
> -   Felipe Lessa
> -   Chris Mears
> -   Ian Ross
> -   Vilhelm Sjöberg
> -   Jim Snavely
> -   Luite Stegeman
> -   Kanchalai Suveepattananont
> -   Michael Thompson
> -   Scott Walck
>
> _______________________________________________
> Haskell mailing list
> Haskell at haskell.org
> http://www.haskell.org/mailman/listinfo/haskell
>
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