Nice job! You are really fast in coding :-) Il giorno dom 5 lug 2020 alle ore 15:08 BELGACEM NEDJIMA <[email protected]> ha scritto:
> Hi all, > During the fifth week of the summer of code I made a lot of progress > implementing the 3D scenes export feature. Here is my report for the week: > > > - > - Tasks done: > - Got exporting the vector layer data working. > - Saw how the flat terrain is generated and how the level of > details system works. > - Exported visible terrain tiles by taking the > Qt3DRender::QAttribute objects directly and parsing the data. > - Exported invisible terrain tiles by generating geometries > manually. > - Exported DEM terrain tiles (I had some troubles with non square > height maps giving me wrong values but I eventually fixed the problem). > - Discovered smooth edges parameter in the wavefront .obj standard > and implemented it (I'm following this very useful spec obj-spec > <http://fegemo.github.io/cefet-cg/attachments/obj-spec.pdf>) > - Gave the user the ability to choose at which level of details he > wants to export. > - Made initial UI and classes for the scene export settings. > - Switched from the user specifying the level of details to > specifying the resolution of the terrain (more predictable in terms of > loading speed and vertex count). > - Made a separate class named Qgs3DExportObject that will handle > the object name and various 3D data (to handle absence of texture > coordinates data in a better way in the future). > - Gave each object in the scene it's own object name in the .obj > file so that blender users can edit the scene in a better way. > - Documented the code and made a draft pull request that you can > find here: https://github.com/qgis/QGIS/pull/37588 > - Discussed what I implemented with mentors. > - Screenshots: > - DEM terrain inside QGIS: https://imgur.com/aZl0E03 > - Exported DEM terrain (smoothing option to the left): > https://imgur.com/Jkl9kfu > - Exported vector layer with a flat terrain: > https://imgur.com/LWBtHqf > - Tasks to be done: > - Export other types of layers (mesh layers, 3D symbol layers...). > - Handle exporting of normals. > - Handle exporting of texture coordinates. > - Export textures as displayed in the scene to an image file. > - Manage material file (.mtl) construction. > - Blocking issues: Not really a blocking issue but I wanted to do > export scene hierarchy in the .obj file but that didn't seem to work in > blender :(. > > Any suggestion or feedback is always welcome. > Best wishes, > > -- > Belgacem Nedjima > 4th year computer science and engineering student. > https://github.com/NEDJIMAbelgacem > > _______________________________________________ > QGIS-Developer mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer -- Luca Manganelli Assistente informatico Servizio Innovazione e Sistemi digitali Via Ezio Maccani 148 38121 Trento (TN) -- Comune di Trento via Belenzani, 19 - 38122 Trento | C.F e P. IVA: 00355870221 tel. +39 0461.884111 | www.comune.trento.it <http://www.comune.trento.it>
_______________________________________________ QGIS-Developer mailing list [email protected] List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
