Hello Carsten,
Thanks for the hint.
As you have suggested to make the shallow copy i tried that and came up
with the following error:
mainShader.cpp: In function 'osg::NodePtr createSceneGraph()':
mainShader.cpp:346: error: conversion from 'osg::FieldContainerPtr' to
non-scalar type
'osg::FCPtr<osg::FCPtr<osg::FCPtr<osg::FCPtr<osg::AttachmentContainerPtr,
osg::NodeCore>, osg::Drawable>, osg::MaterialDrawable>, osg::Geometry>'
requested
make: *** [mainShader.o] Error 1
In the OpenSG i found another code posted by Dirk, i tried that and it
worked , but i wonder if the one you suggested is the same as Dirk's
NodePtr utah_teapot2 = OSG::cloneTree(utah_teapot1);
The function that is posted by dirks seems to share the node core and
creating a new Node.
I am not sure what procedure would be efficient to render the same
geometry(utah teapot in my case ), with different shader(which is a material
property)
and i would like to render the same geometry with different material
property that will be selected with the key-press event.
Can you suggest anything based on performance and memory efficiency?
Cheers,
Sajjad
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