<HTML dir=ltr><HEAD><TITLE>RE: [OSGeo-Discuss] Proposal: OSGeo Cartographic Library</TITLE>
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<DIV dir=ltr><FONT face=Arial color=#000000 size=2>yeah</FONT></DIV></DIV>
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<FONT face=Tahoma size=2><B>From:</B> discuss-bounces@lists.osgeo.org on behalf of Sampson, David<BR><B>Sent:</B> Mon 14/04/2008 21:28<BR><B>To:</B> OSGeo Discussions<BR><B>Subject:</B> RE: [OSGeo-Discuss] Proposal: OSGeo Cartographic Library<BR></FONT><BR></DIV>
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<P><FONT size=2>><BR>> Thanks for the pointer, that's a nice dataset. Opening these<BR>> 39 layers makes me ask why there's no style information?<BR>> Pardon my ignorance on digital cartography, but is it because<BR>> of standards or something else?<BR>> How do Arc* tools do it?<BR>><BR><BR><BR>Think of three separate boxes. One is tabulart data (tables), in the<BR>ESRI world these are youf *.dbf files, another is geomatery (lines,<BR>points, polygons) found in your *.shp files and the final box is the<BR>styling (realy schnzy shirts and ties) equivalent to SLD in the open<BR>source web mapping world but ESRI also has their cartographic<BR>representations layer (or something like that).<BR><BR>Often in digital geomatics we focus on the data and geometry. Usualy<BR>they apear seamlessly the SHP is connected to the DBF. So now we are<BR>talking about adding in the third box in a standards compliant,<BR>interoperable and open source manner (I am assuming)...<BR><BR>Why do you arc tools have styling?. Perhaps someone has created the<BR>styling as is often the "Value add" portion to data resellers like DMTI.<BR>But the styling is based on the data... So it has nothing to do with the<BR>data and relatively nothing to do with the software as GRASS, QGIS,<BR>JUMP, UDIG, MAPSERVER can all save projects with various styling, they<BR>just don't all use the same approach. Some approaches like SLD's (Styled<BR>layer descriptor) or context documents (maybe not full styling) help<BR>with this.<BR><BR>I think these issues are a PART of this proposed library but I don't<BR>think is the focus as styling is covered with SLD and context documents<BR>etc.<BR><BR>Cheers<BR>_______________________________________________<BR>Discuss mailing list<BR>Discuss@lists.osgeo.org<BR><A href="http://lists.osgeo.org/mailman/listinfo/discuss">http://lists.osgeo.org/mailman/listinfo/discuss</A><BR></FONT></P></DIV></BODY></HTML>