.osgt specification #1434
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Where can I find full specification of .osgt format with all existing nodes, options, etc. |
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Replies: 1 comment 2 replies
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OSG specific questions are best answered on the OSG forum so I've answered there: openscenegraph/OpenSceneGraph#1364 As a general note, both the OSG's .osgt/.osgb and the VSG's .vsgt/.vsgb file formats are native scene graph file formats that are not intended for data exchange with other software. The file formats are meant to support the scene graphs specific datatype with low overhead and without need for conversions/abstractions. There is no standardization process or published specs like you'd get with a formally standardized format like GLTF. Standardized formats have quite a different role to a native file format. |
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And maybe to amplify that point, at least as far as vsg(t) is concerned (I don't know about OSG), as discussed here and here these formats in a way also (depending on what's stored in them) 'freeze' their content in time so if some capabilities/operations in vsg change this content may change in appearance |
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@lufriem is referring to the versioning support in the VSG's native serialization. This support enable the VSG's serializers to provide backwards compatibility, so they a recent version of the VSG can read older files even if there are features added or removed to the VSG. |
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OSG specific questions are best answered on the OSG forum so I've answered there:
openscenegraph/OpenSceneGraph#1364
As a general note, both the OSG's .osgt/.osgb and the VSG's .vsgt/.vsgb file formats are native scene graph file formats that are not intended for data exchange with other software. The file formats are meant to support the scene graphs specific datatype with low overhead and without need for conversions/abstractions.
There is no standardization process or published specs like you'd get with a formally standardized format like GLTF. Standardized formats have quite a different role to a native file format.