[osg-users] Determining whether a node is active in UpdateVisitor.

[Mark Acosta]

Is there some mechanism to determine whether or not a node being traversed 
during an update traversal is active or not? I know I could change the 
TraversalMode in UpdateVisitor to traverse only active children, but what if 
I want to traverse all children and only take action if a particular type of 
node is active? I can't find anything in NodeVisitor that would let me do 
this.


Thanks,
Mark 


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[osg-users] osgviewerWX example fails to build with debug

[Mark Acosta]

Hi guys,

   I'm running  Fedora 10 and trying to build OSG from the latest svn 
version. Everything compiles fine except for the osgviewerWX example. I'm 
getting these errors:


CMakeFiles/example_osgviewerWX.dir/osgviewerWX.o: In function 
`wxStringBase':
/usr/include/wx-2.8/wx/string.h:351: undefined reference to 
`wxOnAssert(wchar_t const*, int, char const*, wchar_t const*, wchar_t 
const*)'
CMakeFiles/example_osgviewerWX.dir/osgviewerWX.o:(.rodata._ZTV8wxOsgApp[vtable 
for wxOsgApp]+0x130): undefined reference to `wxApp::OnAssertFailure(wchar_t 
const*, int, wchar_t const*, wchar_t const*, wchar_t const*)'
CMakeFiles/example_osgviewerWX.dir/osgviewerWX.o:(.rodata._ZTV8wxOsgApp[vtable 
for wxOsgApp]+0x138): undefined reference to `wxAppConsole::OnAssert(wchar_t 
const*, int, wchar_t const*, wchar_t const*)'


   I looked into this a bit and the routines listed above are only defined 
if __WXDEBUG__ is defined. Looking at /usr/include/wx-2.8/wx/debug.h, it's 
not clear to me how __WXDEBUG__ is getting defined. I noticed that if I 
define NDEBUG that it will undefine __WXDEBUG__. The example compiles if I 
do this, but it's more of a kluge than a solution.


   I'm no wx expert. Maybe someone on the list has an idea of what's going 
on here and what the proper fix is.


Mark 


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