From my side, I would support that proposal, John…

Pete

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From: john whelan [mailto:[email protected]]
Sent: 14 April 2016 12:42
To: Jo Hannes
Cc: [email protected]
Subject: Re: [HOT] Squared buildings

I think we are agreed that squaring individual buildings is a hassle for the 
validators.
Do I hear that selecting all buildings with less than 7 nodes and 
squaring/resquaring them all at once is acceptable although not ideal?
Thanks John

On 14 April 2016 at 04:15, Jo <[email protected]<mailto:[email protected]>> 
wrote:
It would be far better to add a tool comparable to buildings-tools plugin to 
iD. We should have proposed that for GSoC2016... well, maybe next year.

Jo

2016-04-14 9:47 GMT+02:00 Suzan Reed 
<[email protected]<mailto:[email protected]>>:
JOSM is the tool to use, I agree. However I did become somewhat of an iD power 
user and so I just tried to square a number of polygons at once rather than one 
at a time. I tried many variations including selecting all of them and then 
trying to apply the “s” tool and grouping them. Nothing worked. Maybe the iD 
team could add that to iD? Then new mappers could then square all their 
buildings in one go when the mistake is pointed out. It would be quite useful. 
Squaring buildings in either iD or JOSM is a thankless and tedious task.

Cheers!
Suzan


On Apr 13, 2016, at 11:01 PM, Ralf Stephan 
<[email protected]<mailto:[email protected]>> wrote:

I might be missing something but what's wrong with selecting all buildings in 
JOSM via Search (check if there are huts selected or 45-degree buildings of 
course) and then do a mass orthogonalization? That would be part of a 
validation workflow and could even be automated.

On Thu, Apr 14, 2016 at 7:48 AM Jo 
<[email protected]<mailto:[email protected]>> wrote:
If you want a building squared at 45 degrees in JOSM, for some reason, you can 
start with a closed way with 8 nodes, then use the circle tool.

Or you can press 'a' twice, allowing you to add the next part of a way at 15 
degree angle intervals. It's possible to create really nice geometric shapes 
using this method.

One has to know the tool one is working with.

When people insist on working with iD, it's necessary to tell them (over and 
over again) about the importance of doing the extra step of squaring the 
rectangular buildings. For one thing, it makes using JOSM's extrude tool 
easier, if it's needed to improve the building.

I understand that, as a validator, it's extremely tedious to square all those 
buildings, even when using the todo plugin and pressing ]q]q]q]q]q] hundreds of 
times. You could invalidate the tiles which contain mostly unsquared buildings. 
Or you could just leave them alone, post a remark to the user and validate the 
tile anyway. Better that than becoming burned out as a validator.

I've been trying to get people to understand how much work it is to validate 
their tiles, when buildings are not squared by creating screencasts and posting 
a link to it in the comment field. This was rather effective, but it still is 
rather time consuming and there are always new users coming in, which, for some 
reason, were not trained with JOSM the power tool, but with iD instead.

Anyway, those screencasts were also meant as a way to show people the 
advantages of using JOSM, but I don't know if I have been very successful at 
getting them to start using it. It's hard to make people switch to something 
new, which is why I'll be teaching only JOSM, this Saturday (also because I 
don't know iD all that well, ofc). I failed to follow up, as I moved on to 
other projects that gave me more satisfaction (as a validator).

Polyglot

2016-04-14 4:15 GMT+02:00 Suzan Reed 
<[email protected]<mailto:[email protected]>>:
How about showing people how to map a building and square it right at the 
beginning of mapping? It’s all one motion for me.

Just a suggestion!

Suzan


On Apr 13, 2016, at 7:05 PM, Clifford Snow 
<[email protected]<mailto:[email protected]>> wrote:


On Wed, Apr 13, 2016 at 4:52 PM, john whelan 
<[email protected]<mailto:[email protected]>> wrote:
Seeing 200 unsquared buildings by one mapper on a tile makes me think they 
weren't using JOSM and the building-tool.  I could be wrong, the same mapper 
also left behind three area=yes squares that just happened to be the same as a 
building image.  Again it is perfectly possible to do this in JOSM to draw such 
a shape and tag it area=yes, though why anyone with JOSM and the building_tool 
plugin would do such a thing I can't imagine.

I'm asking a pragmatic question given that I'm seeing so many unsquared 
buildings when validating is it essential they be squared?  and if so how do we 
get squared buildings?

From my experience with hosting Missing Maps and HOT mapathons many of the 
mappers are first time contributors. We try to get them mapping as quickly as 
possible. After a period of time we introduce new techniques, such as squaring 
buildings and copy paste. The behavior you observed may be the lack of 
training. If its possible to find out if the mapper attended an event and if so 
who organized it to give gentle constructive feedback to the host. (Hopefully 
it wasn't one of ours)

Clifford


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