[iTowns-dev] Vector (tiles) as background

[Gérald Choqueux]

Hello,

2 branches that use the WFS :

https://github.com/iTowns/itowns2/tree/WFS2_rebased --> There are all 
building in France, and on the city of Lyon you can see datas vector in 
the form of Lines and Points


https://github.com/iTowns/itowns2/commits/kmlLoader --> There is draping 
a vector feature on the ground.(Example is located in the Alpes). You 
can activate picking zone in GUI.


Gérald



Le 21/04/2017 à 04:11, Jean-Denis Giguère a écrit :
> Greetings!
>
> This is a follow up of my experimentation about vector support.
>
> First of all, I would like to thank Jeremy Gaillard, Augustin 
> Trancart, Pierre-Eric Pelloux-Prayer for their support. They give me 
> precious hints.
>
> I was able to make some WFS call using the Pierre-Eric's branch 
> mobile_mapping_wip [1]. I cannot make it work using a plane 
> (itowns.Scene) instead of a globe (towns.viewer.createSceneGlobe) . I 
> tried to reproduce the APIGlobe function addFeatureLayer (exposing the 
> updateFeaturesAtNode in itowns.processing) without success.
>
> In the Jeremy 3d-tiles-refacto branch [2], we have support for SRS, 
> which is quite useful for local data. I didn't figure out if it is 
> available on the mobile_mapping_wip branch.
>
> 3d_tiles support is awesome! We really enjoy this feature and we hope 
> to see it in 2.0 release.
>
> My next step would be to drape a simple vector feature on the ground. 
> It looks like a pretty famiiiar use case. Any hint is welcome!
>
>
> Kind regards.
>
> [1] https://github.com/peppsac/itowns2/tree/mobile_mapping_wip
> [2] https://github.com/Jeremy-Gaillard/itowns2/tree/3d-tiles-refacto
>
> Le jeu. 20 avr. 2017 à 08:28, Jean-Denis Giguère 
> <jean-denis at anagraph.io <mailto:jean-denis at anagraph.io>> a écrit :
>
>     Greetings!
>
>     We are eagerly waiting for the release of itowns v2. Il will be
>     really useful to have access to a great open source library to
>     display 3D geospatial data at a very fine level of granularity.
>
>     The city of Montréal released a high quality dataset of textured
>     3D building. We would like to contribute a public use case for
>     itowns2 with this dataset.
>
>     Some recent work with vector tiles shows us that we could get
>     really interesting results with this technology. We think that
>     this could be really useful to display vector data using vector
>     tiles in itowns. In our use case, we would use vector data as
>     background instead of  WM(T)S .
>
>     Is there a Provider that can be used to display vector tiles in
>     itowns2?
>
>     If there is no direct support for vector tiles, which options are
>     available to display vector data in other format?
>     I see that there is KML Provider, but I'm not sure in which branch
>     it is working properly.
>
>
>     Kind regards,
>
>
>
>
>
>
>
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