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kalwalt
PostPosted: Mon Apr 22, 2013 7:59 pm    Post subject: question about osg export plugin and tiled set Reply with quote



Joined: 22 Apr 2013
Posts: 16

hi, i found Grome software time ago and i was very impressed. A plenty of features and a great tool. I would develop artistic interactive applications with OSG software. i can make an height and texture for the terrain with WorldMachine but the problem is to make the customization . Make it in blender is a bit tricky, and also if the terrain is very big. Primarly i would works on large terrain (but not only) . OSGcan handle very big database mozaicising it. So my big question is if Grome can handle tiled terrain , (it seems affirmative) but if export a set of tiles grouped as OSG does. id est: one terrain.ive and two folder with heightfields and imagery tiles sequencially ordered in their respectively folders.
Thanke you for the attention. Very Happy
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ALicu
PostPosted: Tue Apr 23, 2013 7:45 am    Post subject: Reply with quote



Joined: 12 Feb 2007
Posts: 1326

Hi,

Yes, Grome support tiles (they are called terrain zones in Grome terminology). You can create very big scenes (as your hard disk allows it) since you can swap out to disk the zones you are not working on. You can see the process in these movies:
http://www.quadsoftware.com/movies/grome/tutorials/creating_zones2.mov
http://www.quadsoftware.com/movies/grome/tutorials/creating_zones3.mov

You can even work with terrain zones of different resolution and the terrain will ensure stitching at the borders.

The OSG exporter lets save the terrain in two modes:
- entire heightmaps geometry saved as meshes in OSG. Because these are regular meshes the rendering may be slow.
- use of simplified meshes (one or multiple LOD created by the editor from the heightmaps). LOD is applied and stitching is done between different resolutions.

More about simplified meshes here:
http://www.quadsoftware.com/movies/grome/tutorials/Grome3/MeshLayers.mov

You can export all the zones in one OSG or you can choose to export only the selected zones (so you can save only some of them). OSG exporter source code is provided on site:
http://www.quadsoftware.com/index.php?m=section&sec=product&subsec=editor&target=Editor/ForEngines/editor_osg

We also provide the SDK and documentation with every Grome build so you can freely modify the exporter and recompile it to output to multiple folders at once or to apply custom processing etc.

Also, if you want to export heightmaps alone you can do this with other plugins (that come with Grome and with full source code), in formats like for example raw 16 bit.

Let me know if I can provide more information.

Kind Regards,
Adrian L.
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kalwalt
PostPosted: Tue Apr 23, 2013 10:33 am    Post subject: Reply with quote



Joined: 22 Apr 2013
Posts: 16

i'm looking into the resources that you provided to me. But i think i will buy your software!
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ALicu
PostPosted: Tue Apr 23, 2013 10:33 am    Post subject: Reply with quote



Joined: 12 Feb 2007
Posts: 1326

Good, let me know if I can provide more information.

Regards,
Adrian L.
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