[SoC] OSM Level of Detail for GSoC 2017
Balázs Dukai
balazs.dukai at hotmail.com
Fri Dec 16 05:04:19 PST 2016
Hi Margherita,
I would like to participate as a student. If I understand correctly,
students can also submit their own project ideas and look for mentors in
the organization.
Yes that is true that my idea is solely OSM related. I was just not
aware that OSM is not participating under the OSGeo umbrella, that's why
I wrote to this list. I go on and contact them directly then.
Thank you for the swift reply.
Balázs
On 16/12/16 13:54, Margherita Di Leo wrote:
> Dear Balázs,
>
> thanks for the heads up and for the detailed description of your
> interesting project. As OSGeo we will submit an application to Google
> to participate as a mentoring org also this year, but it is never too
> early to start discussing gsoc ideas. Do you want to participate as a
> mentor or as a student? It seems to me that your project is more
> related to OSM than to any OSGeo software, do I understand correctly?
> In the past, OSM has participated to gsoc under the OSGeo umbrella,
> but in recent years its gsoc participation is grown bigger and they
> decided to apply on their own. I don't know their plans for next year,
> you'll definitely have to check this with them, and moreover, the
> final word is Google's selection of mentoring orgs. Keep us posted.
>
> Best regards,
>
> On Fri, Dec 16, 2016 at 1:28 PM, Balázs Dukai
> <balazs.dukai at hotmail.com <mailto:balazs.dukai at hotmail.com>> wrote:
>
> Hello everyone,
>
> as I'm a newcomer to this list please let me introduce myself. My name
> is Balázs Dukai, I'm currently studying geomatics engineering at TU
> Delft, Netherlands and I was not active in the OSGeo community until
> now. This summer (2016) I participated in the GSoC, however under the
> umbrella of the R project and I developed a package to manage animal
> trajectories in PostGIS and R[1,2]. Since then I started working on my
> thesis which brings me to this mailing list.
>
> In my research I'm developing a method to automatically infer the
> Level
> of Detail (as in CityGML) of heterogeneous 3D city models. Experience
> shows that several 3D city models contain buildings that are tagged as
> e.g. LOD2, however they are modeled as LOD1. This heterogeneous data
> negatively influences the accuracy of analysis that depends on the 3D
> geometry, such as energy profiling, solar irradiation, wind flow
> analysis. Also it is good to know that the data set one purchased is
> truly in-line with its description, e.g. all buildings are really
> LOD2.
> Visually assessing the LOD of each building is not feasible at a city
> scale, hence the automatic inference.
>
> Now, in order to have an idea about the LOD of the 3D building, a good
> way to start is to evaluate its footprint. As the geometric detail of
> the footprint indicates the geometric detail of the building. My
> assumption is that having an indication (a tag maybe) of the detailed
> LOD[3] of the 2D building footprints in OpenStreetMap could
> provide some
> benefits, such as
>
> + identify areas where the buildings are mapped in a low LOD and
> could/should be improved,
>
> + users could easily see the LOD of buildings (LOD tag) when
> programmatically querying/downloading OSM data and better evaluate its
> fitness-for-purpose.
>
> Therefore I propose that in the scope of GSoC 2017 I work towards a
> tool/method that automatically appends the detailed LOD[3] tag to
> building footprints in OSM. Maybe even the potential LOD of the 3D
> building that can be generated with tools such as OSM2World...
>
> My thesis is still in an initial phase but I'll have my method
> clear by
> February and I plan to submit in May-June.
> The reason why I wrote this general mailing list and not to the
> osm-tagging list is that I'm very curious about any idea, critic on my
> thesis or GSoC project idea. So I hope this will open a discussion.
>
> I was thinking to target the osm-tagging list but I'm not sure if that
> is the most appropriate. Could you advise me is this matter as well?
>
> [1]: https://github.com/mablab/rpostgisLT/wiki/GSoC-2016
> <https://github.com/mablab/rpostgisLT/wiki/GSoC-2016>
> [2]: https://cran.r-project.org/package=rpostgisLT
> <https://cran.r-project.org/package=rpostgisLT>
> [3]:
> http://www.sciencedirect.com/science/article/pii/S0198971516300436
> <http://www.sciencedirect.com/science/article/pii/S0198971516300436>
>
> Best regards,
> --
> Balázs Dukai
> MSc Geomatics engineer candidate | MEng Landscape architect
> The Hague, Netherlands
> LinkedIn: www.linkedin.com/in/balazsdukai
> <http://www.linkedin.com/in/balazsdukai>
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>
>
>
> --
> Margherita Di Leo
--
Balázs Dukai
MSc Geomatics engineer candidate | MEng Landscape architect
The Hague, Netherlands
LinkedIn: www.linkedin.com/in/balazsdukai
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