[Carto] Map specifications

Tyler Mitchell (OSGeo) tmitchell at osgeo.org
Fri Apr 9 15:12:35 EDT 2010


Hi Laurent,
I think you are bringing some of the precise points we hope to address
here.  By recognising that output media targets are not adequately
addressed by many of the open source geo packages, we hope it will clear
the air and get us focused.

Tyler

Laurent Jégou wrote:
> Hello all, i may be a little out of focus or range, but i'd like to
> emphasize a point. My work as a cartographer is mostly spent on drawing
> software like Illustrator (or Inkscape), and i could not forget to speak
> here about question of the the final media for the map being designed.
> 
> The media dictates the style of the elements composing the map, and that
> question raises two practical problems :
> 
> - the type of the media : screen / paper (so RGB of CYMK ?)
> 
> - the size of the media : physical size and resolution (screen, printer,
> diffusion media).
> 
> My point is that the final media occasions significant variations of the
> styling of the elements. So many ugly maps are automatically produced by
> GIS software not taking into account that the media will be CYMK and 300
> dpi (colors not distinguishable, line too thin or aliased, etc.)
> 
> With html pages the problem is incompletely treated by css variants and
> proportional units (em). But if we want quality PDF output, thats
> important. The debate on "what's can be called a map" is (re-)emerging
> here in France, with the temptation to kick out of the definition the
> "simple" maps produced by GIS or analytical softwares.
> 
> Regards and thanks for the display of motivation :-)
> 
> Laurent
> 
> -- 
> Laurent Jégou
> Cartographe et enseignant
> UTM - Dépt. Géographie
> 31058 TOULOUSE Cedex 9 - 05.61.50.43.89
> http://www.univ-tlse2.fr/geoprdc
> 
> 
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