Please share with me John
Regards
Warren
On 21/10/2020 4:48 pm, John Bryant wrote:
Yes, agreed. At a quick look, the quality seems to be better in some
areas than others, some of the suburban areas of Perth come out pretty
well. Anyway, if it's useful to anyone, I now have a folder of ~1700
.osm files for all the suburbs in Perth, happy to share them if anyone
wants. I'll probably do some tinkering with them, as a JOSM learning
exercise.
Cheers
John
On Wed, 21 Oct 2020 at 15:49, Warren <[email protected]
<mailto:[email protected]>> wrote:
That was also my plan John. The Kings Park data set looks like a
perfect example. I can load that as a layer and compare the
existing OSM data in another layer. It is not that difficult to
select a number of building traces at a time and bring them in.
However the Kings Park data is already showing some
inconsistencies. For Example Fraser's Restaurant, circular
building is showing as orthogonal. Many of the other buildings
are also incorrect.
Oh well perhaps it is just another tool that can sometimes be useful.
Good effort anyway
On 21/10/2020 3:12 pm, John Bryant wrote:
Seems sensible to me, I'd personally be shying away from imports
without more knowledge of how that works. I was thinking about
biting off very small chunks (even suburbs may be too big for
this) and manually going over them, making sure to not overwrite
existing buildings, and checking them individually to make sure
they match up with relevant imagery. Is there a recommended
workflow for this?
On Wed, 21 Oct 2020 at 15:02, Daniel O'Connor
<[email protected] <mailto:[email protected]>> wrote:
Just to flag a note of caution here - I'd recommend small
scale evaluations /only/ at this stage; or if you do bigger
test imports; in a sandbox environment.
https://wiki.openstreetmap.org/wiki/Sandbox_for_editing#Experiment_with_the_API_.28advanced.29
<https://wiki.openstreetmap.org/wiki/Sandbox_for_editing#Experiment_with_the_API_.28advanced.29>
If there is interest; later we can create a bunch of tasking
manager jobs for importing small chunks at a time; plus write
up the plan(s) as needed
On Wed, Oct 21, 2020 at 5:10 PM John Bryant
<[email protected] <mailto:[email protected]>> wrote:
Hi Warren, I've split it out into .osm files for each of
the WA suburbs [1], see attached small example file for
King's Park. Does something like this work? I can drag
and drop them into JOSM, but I'm not 100% sure if they're
formatted or attributed correctly to be most useful.
Cheers
John
[1]
https://data.gov.au/dataset/ds-dga-6a0ec945-c880-4882-8a81-4dbcb85e74e5/details
<https://data.gov.au/dataset/ds-dga-6a0ec945-c880-4882-8a81-4dbcb85e74e5/details>
On Wed, 21 Oct 2020 at 09:58, Warren
<[email protected]
<mailto:[email protected]>> wrote:
Hi John
I use JOSM. Any file format that I can bring in as
a layer would be fine. I can then select, copy and
paste the tracings into an active layer for upload,
checking as I go. Certainly faster than tracing by
hand.
I am not sure when JOSM get chocked by file size, but
say Perth or the South West of WA may be enough of a
reduction.
Thanks
On 21/10/2020 9:20 am, John Bryant wrote:
Hi Warren, I could probably help with this. What
would be a good size for a chunk? What would be a
useful format?
On Wed, 21 Oct 2020 at 07:21, Warren
<[email protected]
<mailto:[email protected]>> wrote:
Hi
I am in the eastern suburbs of Perth where
minimal buildings have been
traced. I would be happy to check trace data in
my area, lets face it
hand tracing is not much fun and very time
consuming. I think some
inaccuracies are acceptable, they can be
modified as they become apparent.
The data at
https://github.com/microsoft/AustraliaBuildingFootprints
<https://github.com/microsoft/AustraliaBuildingFootprints>
is
much too large for me to handle.
Is someone more skillful than me able to break
this data set into bite
sized chunks?
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