[Talk-GB] Surveying rural buildings

Nick nick at foresters.org
Wed Jul 22 19:37:15 UTC 2020

Hi Mateusz

Many thanks for your comments.

It would also be good to hear from others, particularly around the 
question of the purpose of mapping. I was thinking that my purpose was 
to provide other people (OSM mappers and the general public) with the 
information that meets their needs. The problem is that without knowing 
how people use the maps, identifying the quality of the data is tricky. 
The other challenge for people using the maps is not knowing what the 
quality is ~ e.g. how comprehensively properties are mapped, precision 
in terms of location etc. I also wonder if the quality is good, that 
people might use OSM as the map to go to e.g. for Planning applications?



On 22/07/2020 13:20, Mateusz Konieczny via Talk-GB wrote:
> Jul 20, 2020, 12:29 by nick at foresters.org:
>     Dear all
>     I have been mapping a few properties using Bing maps with local
>     knowledge supplemented by some physical measuring (tape measure or
>     simply pacing). I now want to ramp up my mapping but the challenge
>     especially in rural areas is that sometimes the outline of a
>     building is not clear - either obscured (e.g. trees) or unclear
>     (e.g. decking or car ports). Also some aerial imagery is offset.
>     Also, most of the properties are not along public roads. So my
>     question is what are the preferred methods for surveying that
>     others are using?
> Nobody replied so far so...
> I am not worried too much about geometry offset, especially in rural 
> areas where
> moving building to fix offset is usually not problematic.
>     Supplementary question, do you include or exclude conservatories,
>     car ports etc. from the main structure of the property?
> It depends. I usually include them in case of armchair mapping of 
> aerial images (unless there is
> a visible gap). In mapping during survey it depends whatever car port 
> is part of a building structure
> or a separate structure standing next to house.
>     I guess at the back of my mind is what do people perceive as the
>     purpose of mapping (hope I have not opened a can of worms).
> In my case I map what is useful for projects that I use/like or is 
> very simple to map
> (=available as StreetComplete quest).
> So right now I map parking lanes for 
> https://github.com/dabreegster/abstreet
> and in rural areas I tend to map hiking routes rather than buildings.
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