This is an interesting test case for any history parsing scheme. Thanks
for pointing it out!
Node 1 should be under closer scrutiny. There should be a special entry
on the 'platform status' page.
Martijn
On 4/10/2011 6:47 PM, Jochen Topf wrote:
GET http://api.openstreetmap.org/api/0.6/node/1/history tells me this:
<osm version="0.6" generator="OpenStreetMap server">
<node id="1" lat="2.0" lon="2.0" changeset="9257" user="τ12" uid="1298" visible="false"
timestamp="2006-05-10T18:27:47Z" version="1"/>
<node id="1" lat="50.1249473" lon="14.4557581" changeset="196013" user="tacut" uid="113502"
visible="true" timestamp="2009-04-04T10:01:54Z" version="2">
<tag k="name" v="Metro C - Kobylisy"/>
<tag k="wheelchair" v="yes"/>
<tag k="railway" v="subway_entrance"/>
</node>
<node id="1" lat="2.0" lon="2.0" changeset="524633" user="woodpeck" uid="5164" visible="true"
timestamp="2009-04-14T15:42:57Z" version="3"/>
<node id="1" lat="2.0" lon="2.0" changeset="1767082" user="Ldp" uid="48796" visible="false"
timestamp="2009-07-07T22:44:41Z" version="4"/>
</osm>
How exactly am I to interpret this? Why are some visible="true" and some
visible="false"? The visible="false" on the last version tells me the node
is deleted. But what happened before? Does the visible="false" on the first
version mean it was deleted before it was re-created as version 2? For a
deleted node, does the timestamp refer to the creation or the deletion?
Jochen
--
Martijn van Exel
Senior Researcher
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