[OSM-dev] Imported data missing from mapnik database?

Claudomiro Nascimento Junior claudomiro at claudomiro.com
Tue Sep 29 00:48:21 BST 2009


There is a way to touch the affected data, so it can be "reapper" on
minute diffs?

We noticed that "osm XAPI" doesnt has this data and maybe it is
missing in other tools/sites that use minute diffs for updating.

What do you think would be the best way to handle this?



On Sun, Sep 27, 2009 at 7:21 AM, Jon Burgess <jburgess777 at googlemail.com> wrote:
> On Sat, 2009-09-26 at 21:42 -0300, Claudomiro Nascimento Junior wrote:
>> Could somebody check if the boundary data for Brazil that I imported
>> last 15 of september (changeset 2487678) is in the mapnik database?
> The size of the changeset meant that most the nodes were lost from
> minute diffs.
>> For instance, I can not "force" way 40835878 on the Brazil/Uruguay
>> border to be rendered even after marking tiles dirty.
> That won't help when the data is missing from the diffs
>> It is curious that some ways (like 40835721) are rendered when Insert
>> extra nodes on middle of it, but this does not work when just adding
>> extra attributes.
> If you do the edit with Potlatch then I believe it updates all the nodes
> of the way during the edit. This makes them all appear in the diffs.
> Changing a tag just updates the way without the nodes appearing in the
> diff.
> I have downloaded & applied changeset 2487678 to the Mapnik DB. All the
> data should now be present and starting to render. If you have made
> edits after changeset 2487678 then these will not appear in Mapnik until
> the next full import (maybe next weekend).
> In future this issue should be resolved by the new replication diffs.
> This does not drop nodes on large changesets. The Mapnik updates have
> been using these since Sept 18th, so your data just missed by a couple
> of days.
>        Jon

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