Paul White <[email protected]> wrote:
> Does anybody know why the Coconino National Forest doesn't render on osm.org 
> anymore? I don't see any recent changes that would've messed anything up but 
> it's gone. I also noticed that the Klamath National Forest is gone, as well.

I'm glad to see august and more-technical members of OSM (Paul Norman, Joseph 
Eisenberg...) chiming into this thread.

I am the most recent author of this relation.  I made minor changes to the tags 
on the relations, not the members or their roles.  Specifically, the edit 
History (click View History link at bottom of object "pane") displays the 
previous set of tags (and seems to have rendered to the o.p.'s liking), which 
included:

boundary=national_park + boundary:type=protected_area

while the present tags exclude those, but include:

boundary=protected_area + protect_class=6

I did this because boundary=national_park is not a valid tag on a USFS National 
Forest per our evolving wiki 
https://wiki.osm.org/wiki/United_States/Public_lands , which prescriptively 
suggests this tagging.

I believe it is safe to assume that the previous tagging of 
boundary=national_park was incorrectly applied because it rendered, and that 
the somewhat clumsy and collides-with tag boundary:type=protected_area was 
added to be more consistent with the newer tagging scheme of protected_area, 
though it excluded the associates-with tag of protect_class=6 which my newer 
tagging added, along with the "proper" key of boundary, not boundary:type.  If 
you followed all that, thank you.

The particular combination of boundary=protected_area + protect_class=6 does 
render (as a thin green line and an occasional name=* value along edges).  And 
again, boundary=national_park renders, though differently than 
boundary=protected_area + protect_class=6 — and rightly so, as these ARE 
different entries:  a national park is not a national forest and vice versa.

> If anyone knows how to fix this, let me know.

I believe there isn't anything to "fix" here:  what appears to have happened is 
that a wrong-tagging which rendered with a certain appearance was corrected to 
be "more properly" tagged, and this renders, but differently.  As these are 
issues which may continue to be evolving (relatively newer tagging schemes like 
protected_area compared to national_park, as well as rendering support, or lack 
thereof, for various values of protect_class), it is possible I lack full 
clarity into either the present exception of or intended effects of these tags 
and the Carto renderer.  Here, I only offer my best explanation of present 
tagging and rendering effects, not future ones.

SteveA

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