Hello Christoph,
On 01/30/2013 07:37 AM, "Christoph Fünfzig" wrote:
> connected to the instanced geometry discussion,
> I have to generate single-indexed triangle_strip geometry
> or single-indexed triangles geometry. And I chose to use OBJ fileformat.
>
> Single-indexed triangle_strip geometry, I generate with
> "
> // load weed node
> OSG::GraphOpSeq* dGraphOp =
> OSG::SceneFileHandler::the()->getDefaultGraphOp();
> OSG::GraphOpSeqRefPtr graphOp =
> OSG::GraphOpSeq::create("GeometryMerge() MaterialGroupPushGraphOp()
> Stripe(stitch=true force=false singleIndex=true)");
> OSG::SceneFileHandler::the()->setDefaultGraphOp(graphOp);
> OSG::NodeUnrecPtr model =
> OSG::SceneFileHandler::the()->read("test.obj");
> OSG::SceneFileHandler::the()->setDefaultGraphOp(dGraphOp);
> "
> What is the recommended way to get single-indexed triangles geometry
> from OBJ?
you could try the functions in
Source/System/NodeCores/Drawables/Geometry/Util/OSGGeoOptimization.{h,cpp},
specifically makeSingleIndexed() and makeIndexedTriangles{,Concave}().
Cheers,
Carsten
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