2011/6/4 Tillmann Vogt :

Hi,

There are some categories on Hackage that have become so large that it is hard to find something, i.e. Data(414 packages) and Graphics (191). Thats why I suggest to use subcategories separated from the category with a dot. To show that this makes sense I made subcategories for graphics libraries at the end of this email. Whatever happens to hackage2 this would be an immediate improvement.

How ------ I would volunteer for the manual categorization and let the community look over it. I could upload the changes with a script but the version number has to increase even if only the category has changed. I also don't want to be responsible for a massive spike in the upload statistics. Shouldn't the cabal file be excluded from the versioning policy? => It is allowed to upload a library with the same version number if only the cabal file has changed. One should write a notifiaction mail to all owners to reply if they don't agree. Then after a week executing the script that applies the changes.

[snip]

Hi, I would simply prefer tags. Actually, there is a problem that becomes even worse in your proposal: packages appearing in multiple categories, and packages not appearing in some expected category. A simple example in your proposed categories: HDRUtils library: should it be in 2d, RasterFormats, or maybe in 2dFormats, ... with tags, 2d, raster, format, can be used, but also hdr, image, etc. I don't remember what was proposed for hackage 2. Cheers, Thu

http://www.shirky.com/writings/ontology_overrated.html On Sat, Jun 4, 2011 at 10:02 AM, Tillmann Vogt wrote:

Hi,

There are some categories on Hackage that have become so large that it is hard to find something, i.e. Data(414 packages) and Graphics (191). Thats why I suggest to use subcategories separated from the category with a dot. To show that this makes sense I made subcategories for graphics libraries at the end of this email. Whatever happens to hackage2 this would be an immediate improvement.

How ------ I would volunteer for the manual categorization and let the community look over it. I could upload the changes with a script but the version number has to increase even if only the category has changed. I also don't want to be responsible for a massive spike in the upload statistics. Shouldn't the cabal file be excluded from the versioning policy? => It is allowed to upload a library with the same version number if only the cabal file has changed. One should write a notifiaction mail to all owners to reply if they don't agree. Then after a week executing the script that applies the changes.

Categories for Graphics:

Graphics.2d   bacteria program: braindead utility to compose Xinerama backgrounds   barchart library and program: Creating Bar Charts in Haskell   chalkboard library and programs: Combinators for building and processing 2D images.   chalkboard-viewer library: OpenGL based viewer for chalkboard rendered images.   Chart library: A library for generating 2D Charts and Plots   dia-base library: An EDSL for teaching Haskell with diagrams - data types   dia-functions library: An EDSL for teaching Haskell with diagrams - functions   diagrams library: Embedded domain-specific language for declarative vector graphics   diagrams-cairo library: Cairo backend for diagrams drawing EDSL   diagrams-core library: Core libraries for diagrams EDSL   diagrams-lib library: Embedded domain-specific language for declarative graphics   explore program: Experimental Plot data Reconstructor   funcmp library: Functional MetaPost   gloss library: Painless 2D vector graphics, animations and simulations.   gloss-examples programs: Examples using the gloss library   GoogleChart library: Generate web-based charts using the Google Chart API   graphics-drawingcombinators library: A functional interface to 2D drawing in OpenGL   haha library and program: A simple library for creating animated ascii art on ANSI terminals.   HDRUtils library: Utilities for reading, manipulating, and writing HDR images   hevolisa program: Genetic Mona Lisa problem in Haskell   hevolisa-dph program: Genetic Mona Lisa problem in Haskell - using Data Parallel Haskell   Hieroglyph library: Purely functional 2D graphics for visualization.   HPlot library and program: A minimal monadic PLplot interface for Haskell   hs-captcha library: Generate images suitable for use as CAPTCHAs in online web-form security.   hs-gchart library: Haskell wrapper for the Google Chart API   hsparklines library: Sparklines for Haskell   internetmarke program: Shell command for constructing custom stamps for German Post   plot library: A plotting library, exportable as eps/pdf/svg/png or renderable with gtk   plot-gtk library: GTK plots and interaction with GHCi   printxosd program: Simple tool to display some text on an on-screen display   scaleimage program: Scale an image to a new geometry   testpattern program: Display a monitor test pattern   wumpus-basic library: Basic objects and system code built on Wumpus-Core.   wumpus-core library: Pure Haskell PostScript and SVG generation.   wumpus-drawing library: High-level drawing objects built on Wumpus-Basic.   wumpus-microprint library: Microprints - "greek-text" pictures.   wumpus-tree library: Drawing trees   zsh-battery program: Ascii bars representing battery status

Graphics.3d   Attrac program: Visualisation of Strange Attractors in 3-Dimensions   cal3d library: Haskell binding to the Cal3D animation library.   cal3d-examples programs: Examples for the Cal3d animation library.   cal3d-opengl library: OpenGL rendering for the Cal3D animation library   FieldTrip library: Functional 3D   gnuplot library and program: 2D and 3D plots using gnuplot   HGL library: A simple graphics library based on X11 or Win32   hgl-example program: Various animations generated using HGL   IcoGrid library: Library for generating grids of hexagons and pentagons mapped to a sphere.   nymphaea program: An interactive GUI for manipulating L-systems   reactive-fieldtrip library: Connect Reactive and FieldTrip   reactive-glut library: Connects Reactive and GLUT

Graphics.Fractal   fractal program: Draw Newton, Julia and Mandelbrot fractals   gmndl program: Mandelbrot Set explorer using GTK   hfractal program: OpenGL fractal renderer   mandulia program: A zooming visualisation of the Mandelbrot Set as many Julia Sets.

Graphics.Raytracing   glintcollider program: A simple ray tracer in an early stage of development.   glome-hs library and program: ray tracer   GlomeTrace library: Ray Tracing Library   GlomeVec library: Simple 3D vector library   HRay program: Haskell raytracer   jort program: JP's own ray tracer

Graphics.Layout   graph-rewriting-layout library: Force-directed node placement intended for incremental graph drawing   pango library: Binding to the Pango text rendering engine.

Graphics.Algorithm   triangulation library: triangulation of polygons   splines library: B-Splines, other splines, and NURBS.

Graphics.RasterFormats   AC-PPM library: Trivial package for writing PPM images.   bitmap library: A library for handling and manipulating bitmaps.   bitmap-opengl library: OpenGL support for Data.Bitmap.   exif library: A Haskell binding to a subset of libexif   fig library: Manipulation of FIG files   graphicsFormats library: Classes for renderable objects.   hsmagick library: FFI bindings for the GraphicsMagick library   Imlib library   jpeg library: A library for decoding JPEG files written in pure Haskell   pgm library: Pure Haskell implementation of PGM image format   SDL-image library: Binding to libSDL_image   stb-image library: A wrapper around Sean Barrett's JPEG/PNG decoder   tga library: Reading and writing of tga image files

Graphics.VectorFormats   cairo library: Binding to the Cairo library.   craftwerk library and programs: 2D graphics library with integrated TikZ output.   craftwerk-cairo library: Cairo backend for Craftwerk.   craftwerk-gtk library and program: Gtk UI for Craftwerk.   HPDF library: Generation of PDF documents   hps library: Haskell Postscript   hps-cairo library: Cairo rendering for the haskell postscript library   HsHaruPDF library: Haskell binding to libharu (http://libharu.sourceforge.net/)   poppler library: Binding to the Poppler.   svgcairo library: Binding to the libsvg-cairo library.   SVGPath library: Parsing the path command from SVG   svgutils library and program: Helper functions for dealing with SVG files

Graphics.3dFormats   collada-output library and program: Generate animated 3d objects in COLLADA   collada-types library: data exchange between graphic applications   graphics-formats-collada library: Load 3D geometry in the COLLADA format   obj library: Reads and writes obj models.

Graphics.Engine  (OpenGL and libraries that make it easier to use OpenGL)   GLURaw library: A raw binding for the OpenGL graphics system   GLUT library: A binding for the OpenGL Utility Toolkit   GLFW library: A Haskell binding for GLFW   GLFW-b library: GLFW bindings   GLFW-b-demo program: GLFW-b test\/example\/demo   GLFW-OGL library: A binding for GLFW (OGL)   GPipe library: A functional graphics API for programmable GPUs   GPipe-Collada library: Load GPipe meshes from Collada files   GPipe-Examples programs: Examples for the GPipes package   GPipe-TextureLoad library: Load GPipe textures from filesystem   hogre library: Haskell binding to a subset of OGRE   hogre-examples programs: Examples for using Hogre.   haskgame library: Haskell game library.   IrrHaskell library: Haskell FRP binding to the Irrlicht game engine.   lambdacube-bullet program: Example for combining LambdaCube and Bullet   lambdacube-engine library: 3D rendering engine entirely written in Haskell   lambdacube-examples programs: Examples for LambdaCube   nehe-tuts programs: Port of the NeHe OpenGL tutorials to Haskell.   OGL library: A context aware binding for the OpenGL graphics system   OpenGL library: A binding for the OpenGL graphics system   OpenGLCheck library: Quickcheck instances for various data structures.   OpenGLRaw library: A raw binding for the OpenGL graphics system   OpenGLRaw21 library: The intersection of OpenGL 2.1 and OpenGL 3.1 Core   rsagl library: The RogueStar Animation and Graphics Library   scenegraph library: Scene Graph

Graphics.Fonts   font-opengl-basic4x6 library and program: Basic4x6 font for OpenGL   freetype2 library and program: Haskell binding for FreeType 2 library   FTGL library: Portable TrueType font rendering for OpenGL using the Freetype2 library   SDL-ttf library: Binding to libSDL_ttf   SFont library: SFont SDL Bitmap Fonts   stb-truetype library: A wrapper around Sean Barrett's TrueType rasterizer library.   SVGFonts library and program: Fonts from the SVG-Font format

Graphics.OSspecific   GLHUI library: Open OpenGL context windows in X11 with libX11   ige-mac-integration library: Bindings for the Gtk/OS X integration library.   minimung program: Shows how to run grabber on Mac OS X   Win32 library: A binding to part of the Win32 library   X11 library: A binding to the X11 graphics library   X11-extras library: Missing bindings to the X11 graphics library   X11-rm library: A binding to the resource management functions missing from X11.   X11-xdamage library: A binding to the Xdamage X11 extension library   X11-xfixes library: A binding to the Xfixes X11 extension library   X11-xft library: Bindings to the Xft, X Free Type interface library, and some Xrender parts   x11-xim library: A binding to the xim of X11 graphics library   X11-xshape library: A binding to the Xshape X11 extension library   Xauth library: A binding to the X11 authentication library   xhb library: X Haskell Bindings   xosd library: A binding to the X on-screen display

Graphics.UserInterfaces   glade library: Binding to the glade library.   gtk library: Binding to the Gtk+ graphical user interface library.   gtk-serialized-event library: GTK+ Serialized event.   gtkglext library: Binding to the GTK+ OpenGL Extension   gtkimageview library: Binding to the GtkImageView library.   gtksourceview2 library: Binding to the GtkSourceView library.   lui library: Purely FunctionaL User Interface   soegtk library: GUI functions as used in the book "The Haskell School of Expression".

Graphics.Vector   AC-Vector library: Efficient geometric vectors and transformations.   AC-Vector-Fancy library: Fancy type-system stuff for AC-Vector   Vec-OpenGLRaw library: Instances and functions to interoperate Vec and OpenGL.   Vec-Transform library: Extends the Vec package with some 4x4 transform matrices   vect library: A low-dimensional linear algebra library, tailored to computer graphics.   vect-opengl library: OpenGL support for the `vect' low-dimensional linear algebra library.

Graphics.Visualization   graphviz library and program: Graphviz bindings for Haskell.   hubigraph library: A haskell wrap for Ubigraph   splot program: A tool for visualizing the lifecycle of many concurrent multi-staged processes.   timeplot program: A tool for visualizing time series from log files.

Games   HTicTacToe program: An SDL tic-tac-toe game.

Graphics (not subcategorized yet)   AC-Colour library: Efficient RGB colour types.   AC-EasyRaster-GTK library: GTK+ pixel plotting.   assimp library: The Assimp asset import library   Chitra program: A platform independent mechanism to render graphics using vnc.   colour library: A model for human colour/color perception   CV library: OpenCV based machine vision library   cv-combinators library and programs: Functional Combinators for Computer Vision   derivation-trees library: Typeset Derivation Trees via MetaPost   gd library: A Haskell binding to a subset of the GD graphics library   ghci-diagrams library: Display simple diagrams from ghci   graph-rewriting-gl library: OpenGL interface for interactive port graph rewriting   HOpenCV library and program: A binding for the OpenCV computer vision library   IFS library and program: Iterated Function System generation for Haskell   Noise library: A Haskell coherent noise generator based on libnoise   ObjectIO library   OpenCLRaw library: The OpenCL Standard for heterogenous data-parallel computing   OpenVG library: OpenVG (ShivaVG-0.2.1) binding   OpenVGRaw library: Raw binding to OpenVG (ShivaVG-0.2.1 implementation).   probability library: Probabilistic Functional Programming   SGdemo program: An example of using the SG and OpenGL libraries   SDL library: Binding to libSDL   SDL-gfx library: Binding to libSDL_gfx   SDL-mixer library: Binding to libSDL_mixer   SDL-mpeg library: Binding to the SMPEG library   smallpt-hs program: A Haskell port of the smallpt path tracer.   Sprig library: Binding to Sprig   treemap-html library: Generates HTML for Data.Tree as TreeMap   treemap-html-tools library and programs: Treemap related commands for producing foldable TreeMap HTML.   vte library: Binding to the VTE library.   webkit library: Binding to the Webkit library.   wordcloud library: Library for generating word/tag clouds.

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