Hi everyone,
As already mentioned we're working on porting an OpenSG 1.8 based project to
OpenSG2.0, but we're facing several problems cause in some parts downward
compatibility is not 100% ensured. Some of the bigger ones we already
solved, but some others are still unclear to us.
Maybe the one or other of you could provide us some help :) ? Here are the
open Issues:
Our development environment is the following:
- Windows 7 Pro
- Visual Studio 2008 (+ corresponding compilers)
- CMake
- OpenSG 2.0 built as advised in <OPENSG_ROOT>\support\readme.txt,
deprecation flags on.
Problems:
Linking issue: Although every OpenSG library is linked i get the following
error:
Error 57 error LNK2001: unresolved external symbol "private: static
class OSG::RefCountPtr<class OSG::Thread,struct OSG::MemObjRefCountPolicy>
EventManager::eventRecvThread" (?eventrecvthr...@eventmanager
@@0v?$refcount...@vthread@OSG@@umemobjrefcountpol...@2@@OSG@@A)
Actually it looks like it has something to do with the threading stuff.
compiler settings for both inVRs SystemCore and OpenSG is Multi-Threaded DLL
(/MD)
=============================
#include <OpenSG/OSGImageBackground.h> cannot be found, is there any
replacement for it ?
=============================
MultiDisplayWindowBase.getServers() takes now only an index as argument,
variant that gives the whole vector is not available any more, is it
possible to add a new server string ?
as it is done in the old (1.8) Clustering Tutorial.
Or... how else can i add a new rendering server?
=============================
GraphOpSeq / SharePtrGraphOp cannot be deleted any more (destructors are
protected, i suppose due to refcounting/garbage collection issues), can i
force them somehow to be deleted if i know they won't be needed?
same for creating (new),
how can they be handled ?
=============================
Traversal of SceneGraph:
In 1.8 the following worked perfectly:
OSG::traverse(modelTransNode,
osgTypedMethodFunctor1ObjPtrCPtrRef<Action::ResultE, OpenSGModel,
NodePtr> (this, &OpenSGModel::traversalEnter));
As i've seen the signature of traverse stays the same, but i didn't find how
the TraverseEnterFunctor is passed in OpenSG 2.0 :)
============================
OSG::Thread::getCurrentChangeList()->clearAll(); -> clearAll doesn't
exist any more, just clear() in OpenSG 2.0?
============================
Are there equivalents to OpenSG/OSGDrawAction.h or OpenSG/OSGDynamicVolume.h
in OpenSG 2.0 ?
============================
Geometry related stuff:
When i replace older stuff with newer ones (according to both
Basics-tutorials),
like:
GeoPTypesPtr type = GeoPTypesUI8::create();
with
OSG::GeoUInt8PropertyRecPtr type = OSG::GeoUInt8Property::create();
is somehow just get GeoUInt8PropertyRecPtr is not defined , although code
completion finds them. Maybe it's Visual Studio related, but i the include
directories are set correctly as far as i've seen.
Would really appreciate help on those problems :) , maybe later someone with
deep knowledge about both versions could document the changes?
Cheers
Georg
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