[osmosis-dev] OSM entity processing order

[Brett Henderson]

Hi Nicolas,

On 12 March 2013 20:28, Nicolas Colomer <ncolomer at ymail.com> wrote:

> Hi Osmosis community!
>
> When I manipulate an OSM file (compressed or not) using Osmosis, can we
> assume that entities will systematically be processed in this order:
> 1.bound, 2.node, 3.way, 4.relation?
>
> This seems logical since the OSM file format guarantees that "blocks come
> in this order" (see the OSM XML #File format<http://wiki.openstreetmap.org/wiki/OSM_XML#OSM_XML_file_format> wiki
> page).
>
> In addition, I reach a post<http://lists.openstreetmap.org/pipermail/osmosis-dev/2011-March/000949.html> where
> Brett told:
>
> > This is due to the way Osmosis processing works because it finishes
> processing nodes before it sees the ways.
>
> I just want to make sure my impression is good :)
>

You are correct.  Planet files, and just about any other file you may
download will be in that order.

Brett
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