Re: [osg-submissions] Collada plugin update

[Roger James]

Smeenk, R.J.M. (Roland) wrote: Hello all,   attached you will find an update for the Collada plugin and an example program called osgsidebyside that I used for testing the dae plugin.   Overview of the Collada/dae plugin changes   New features +Read and write of osg::LOD, osg::Switch, osgSim::Sequence, osgim::MultiSwitch and osgSim::DOFTransform data in <extra> +Read and write of osg::Node description data in <extra> +Plugin option "NoExtras" to prevent writing of <extra> data and only traverse the active children when saving   Changes/additions +instanced_geometry and instanced_controller are now loaded in a single Geode with multiple Geometries instead of multiple geodes with a single Geometry +Changed all calls to the deprecated createAndPlace() to the new add() methods +All transformation elements <scale>, <rotate>, <translate>, <lookat>, <matrix>, <skew> are now concatenated properly in to a single MatrixTransform.  Previously this was not done in order as required by Collada and and not all elements were included. +Complete skew matrix creation +Automatically add GL_RESCALE_NORMAL if scale is non-identity +Blinn shininess remapping to [0,128] when in range [0,1] +Changes to CMake file to make it compile on Windows +Coding style and code documentation   Bug fixes +Transparent texture writing fixed +Fixed bug in using osg node name as collada node ID +Fixed usage of double sided faces in GOOGLEEARTH extra +Not adding blendfunc and blendcolor when opaque   Roland, It looks like you have done a whole lot of work! I am currently having a conversation on the Collada Forum with Mark Barnes regarding  transparency. Please join in if you can. I will wait till Robert gets your changes bedded in before going back to revisit the transparency handling on the reader (or maybe you want to pick it up :-) ). It looks like the Sketchup compatability stuff I put in a while back is basically correct, but the issue regarding using the alpha channel from textures instead of the blend colour (dae transparent.a * transparency) is unresolved as yet. Roger

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