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Warning against misaligned Bing aerials #3362

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openstreetmap-trac opened this issue Jul 23, 2021 · 5 comments
Closed

Warning against misaligned Bing aerials #3362

openstreetmap-trac opened this issue Jul 23, 2021 · 5 comments

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@openstreetmap-trac
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@openstreetmap-trac openstreetmap-trac commented Jul 23, 2021

Reporter: Oli-Wan
[Submitted to the original trac issue database at 6.18am, Friday, 3rd December 2010]

Potlatch 2 confronts the (newbie) user with Bing Maps, without any warning whatsoever that the maps may be shifted in position or distorted. We have seen the first instances (and will continue to see many more) of people taking Bing Maps at face value, "correcting" existing objects to wrong positions or drawing new objects where Bing falsely suggests them to be.

I firmly believe that there should be a warning when/before Bing Maps are displayed in the background, either as a confirmation dialog or at some sufficiently prominent position on the editor's interface.

It might even be wise to not display Bing as the default background, but you've probably discussed that many times before... so all I ask for is a clear warning to the user.

It's not an actual "bug" in Potlatch 2 (sorry to bother you guys, after you've done such a great job with this editor), but it will create many unnecessary errors in OSM.

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@openstreetmap-trac openstreetmap-trac commented Jul 23, 2021

Author: stevage
[Added to the original trac issue at 7.21am, Sunday, 27th February 2011]

Probably the best way to tackle this is by implementing the "True Offset": http://wiki.openstreetmap.org/wiki/True_Offset_Process

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@openstreetmap-trac openstreetmap-trac commented Jul 23, 2021

Author: Oli-Wan
[Added to the original trac issue at 10.26am, Wednesday, 29th June 2011]

Maybe not the best, but certainly the simplest way is still to warn the user. I don't want to keep on writing emails to mappers unaware of Bing's deficiencies forever.

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@openstreetmap-trac openstreetmap-trac commented Jul 23, 2021

Author: DJTerentjev[at]yandex.ru
[Added to the original trac issue at 3.00pm, Saturday, 25th February 2012]

Warning can be just simple dialogue with information about chance imagery offset. For next time user should have possibility to hide this dialogue. Please see the image:

http://josm.openstreetmap.de/attachment/ticket/7450/JOSM%20Eng.png

Thanks

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@openstreetmap-trac openstreetmap-trac commented Jul 23, 2021

Author: Oli-Wan
[Added to the original trac issue at 9.41am, Tuesday, 7th August 2012]

Closing this, as there is obviously no hope that such a warning will ever be included.

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@openstreetmap-trac openstreetmap-trac commented Jul 23, 2021

Author: Richard
[Added to the original trac issue at 10.08am, Tuesday, 7th August 2012]

The problem is that, if we were to implement every warning everyone requests about anything a newbie could possibly do wrong, the list of warnings would be so long that

  • it would fill two pages
  • no-one would ever read it.

There are really two solutions: one is for someone to implement (as Steve B says) True Offset Process or similar, such that offset is no longer a problem; or for someone to write better docs than the woeful existing ones (and that includes P2's help docs, which I'll happily admit are not stellar). We can't expect everything to be handled by modal warning dialogues.

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