FGFS-4.1/OpenSceneGraph
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Added --addMissingColours / --addMissingColor support into osgconv which

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provides a mechansim for adding in a white colour where none previously
existed.  This solves the problem that exists on some databases where
no colour is present, causing the colour to be inherited randomly.
This commit is contained in:
Robert Osfield 2005-03-16 20:44:10 +00:00
parent 6169934d1b
commit 033fe70f9a
1 changed files with 39 additions and 0 deletions
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39
applications/osgconv/osgconv.cpp
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@ -332,6 +332,34 @@ public:
unsigned int _numStateSetRemoved;
};
/** Add missing colours to osg::Geometry.*/
class AddMissingColoursToGeometryVisitor : public osg::NodeVisitor
{
public:
AddMissingColoursToGeometryVisitor():osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN) {}
virtual void apply(osg::Geode& geode)
{
for(unsigned int i=0;i<geode.getNumDrawables();++i)
{
osg::Geometry* geometry = dynamic_cast<osg::Geometry*>(geode.getDrawable(i));
if (geometry)
{
if (geometry->getColorArray()==0 || geometry->getColorArray()->getNumElements()==0)
{
osg::Vec4Array* colours = new osg::Vec4Array(1);
(*colours)[0].set(1.0f,1.0f,1.0f,1.0f);
geometry->setColorArray(colours);
geometry->setColorBinding(osg::Geometry::BIND_OVERALL);
}
}
}
}
virtual void apply(osg::Node& node) { traverse(node); }
};
static void usage( const char *prog, const char *msg )
@ -412,6 +440,9 @@ static void usage( const char *prog, const char *msg )
<< std::endl;
osg::notify(osg::NOTICE)<<" --smooth - Smooth the surface by regenerating surface normals on\n"
" all geometry"<< std::endl;
osg::notify(osg::NOTICE)<<" --addMissingColors - Adding a white color value to all geometry that don't have\n"
" their own color values (--addMissingColours also accepted)."<< std::endl;
}
@ -545,6 +576,8 @@ int main( int argc, char **argv )
bool smooth = false;
while(arguments.read("--smooth")) { smooth = true; }
bool addMissingColours = false;
while(arguments.read("--addMissingColours") || arguments.read("--addMissingColors")) { addMissingColours = true; }
// any option left unread are converted into errors to write out later.
arguments.reportRemainingOptionsAsUnrecognized();
@ -598,6 +631,12 @@ int main( int argc, char **argv )
root->accept(sv);
}
if (addMissingColours)
{
AddMissingColoursToGeometryVisitor av;
root->accept(av);
}
// optimize the scene graph, remove rendundent nodes and state etc.
osgUtil::Optimizer optimizer;
optimizer.optimize(root.get());