On 12/09/2015 12:37, Colin Smale wrote:
Rendering precedence is a different subject to tagging. You know what
happens to suggestions of tagging in a certain way for the purposes of
influencing the appearance of a map...
You're misunderstanding the purpose of tagging which is to allow
renderers to differentiate entities & display them accurately &
differently from each other.
*All* tagging is for the renderer, it's incorrect tagging that's frowned
upon (natural=sand for golf bunkers is the popular example).
A search on the wiki for pages with the word primary only returns hits
in connection with highway and schools. Can you help me out and give a
link to the page you are referring to?
Many pages list tags 'to be used in conjunction with...'
A good test is if you remove a tag & it fails to render then it's
probably a primary tag. Sub tags allow you to add extra adjective
attributes.
Example (made up one):
barrier=gate (primary)
Sub tags:
access=yes
type=5 bar
material=wood
colour=blue
Delete the sub tags & they'll probably still render. delete the primary
& it won't.
Cheers
Dave F.
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