[OSGeo-Discuss] How to assess rendering quality?

[Michael P. Gerlek]

Gilles-

Is your idea to measure the quality by having a human look at outputs (subjective metrics) or automatically via some analysis routine (objective metrics)?

-mpg

 

> -----Original Message-----
> From: discuss-bounces at lists.osgeo.org 
> [mailto:discuss-bounces at lists.osgeo.org] On Behalf Of Gilles Bassière
> Sent: Wednesday, October 10, 2007 3:01 AM
> To: discuss at lists.osgeo.org
> Subject: [OSGeo-Discuss] How to assess rendering quality?
> 
> Hi list,
> 
> I'm doing a comparative study of OpenSource cartographic servers 
> (Mapserver, Geoserver and Mapnik). Beside raw performance and 
> features, 
> I'd like to assess the rendering quality, say how pretty 
> produced maps 
> are. Precisely, I'm interested in the quality of the drawing work, my 
> point is not about symbology, nor styling of maps.
> 
> I have some problems to find a set of objective criteria I could 
> benchmark my servers against. So far, I have already identified the 
> following:
> - sharpness of details
> - smoothness of lines
> - uniformity of colors
> 
> I'm open to any comments. Do you think these criteria are consistent 
> regarding the purpose of my study? Does anyone have other criteria to 
> suggest?
> 
> Regards
> 
> -- 
> Gilles Bassiere
> MAKINA CORPUS
> 30 rue des Jeuneurs
> FR-75011 PARIS
> http://www.makina-corpus.com
> 
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