> It might be better to use building=mill/press/barn? As I think the building=* key is loosely supposed to represent the design of the > building rather than what people do inside it. > > We still need a multi *use* convention though. Taking craft=*, the > documented style would see us use semi-colon separation, "craft=cider; > perry", but perhaps we could use a more 'modern' style like > "craft:cider=yes; craft:perry=yes"? > > I know that tagging for the renderer is frowned upon, but I really do not like all these colons in key names, because (as far as I know) that means having an extra column in the database produced by osm2pgsql for rendering....and every time I want to add an extra column it means an entire re-import of the databse.
Therefore I would be much keener on craft = [beer|cider|perry] with whatever separator you would like between them than craft:cider=yes etc. The other thing that I thought of is that 'craft' sounds like a sensible tag for microbreweries, but maybe not for a bit industrial one - maybe use craft= for microbreweries and industry= for bigger ones, then we can render them differently? If someone puts up a wiki page with the proposed tagging scheme, I will set up a renderer for it. Graham. -- Graham Jones Hartlepool, UK.
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