[OSM-newbies] Systematic shift between streets and aerial photo

[Andre Engels]

Both can be the case, but here it seems it's the streets that are correct,
the photograph that is shifted - When I look at nearby
http://cycleland.blogspot.nl/2014/05/different-modes-different-priorities.html
and then load the GPS traces (in Potlatch), there are several traces, and
all of them correspond to the openstreetmap data, not to the satellite
image.

André Engels



On Sat, May 31, 2014 at 11:14 AM, Kjell Inge Tomren <kjell-inge at tomren.as>
wrote:

> Hello!
>
> I noticed there was a street name missing near my home and as my first
> edit i decided to add that name to OSM. The update was easy. I even did it
> from my tablet in bed this morning so i was inspired to do more. There are
> no numbers on the houses in my area, so i decided to register my own and I
> did it by pointing at my house in the background aerial photo and added the
> info for a house. But I noticed the position of the house was not correct
> vs the nearby streets.
>
> After a closer look I noticed that there is a systematic shift between the
> streets in my area and the background aerial photo. Then I´m a bit stuck.
> Which is correct positioned? The street positions or the background aerial
> photo? How is it possible to correct a systematic error like this?
>
> Here is a link to the area:
> https://www.openstreetmap.org/edit#map=18/62.45124/6.36599
>
> Best regards,
> Kjlell Inge Tomren
>
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>
>


-- 
André Engels, andreengels at gmail.com
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