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OpenSceneGraph/applications/osgconv/osgconv.cpp
Robert Osfield 66ed3a919a From Bob Kuehne, "1) add simplifier command "--simplifier .5" to reduce complexity 
2) complementarily add a "--overallNormal" to replace
per-vert/per-facet normals with an overall. simplifier doesn't work
  in certain cases without less complex normals. this gets that done.
3) add env var output with full verbose output so people realize it's
active when the app is run - i see this all the time in training where
people run osgconv, with unintended data transformations due to
osgUtil:;Optimzer, for example"
2008-04-11 10:16:38 +00:00

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#include <stdio.h>
#include <osg/ArgumentParser>
#include <osg/ApplicationUsage>
#include <osg/Group>
#include <osg/Notify>
#include <osg/Vec3>
#include <osg/ProxyNode>
#include <osg/Geometry>
#include <osg/Texture2D>
#include <osg/Texture3D>
#include <osg/BlendFunc>
#include <osg/Timer>
#include <osgDB/Registry>
#include <osgDB/ReadFile>
#include <osgDB/WriteFile>
#include <osgDB/FileNameUtils>
#include <osgDB/ReaderWriter>
#include <osgUtil/Optimizer>
#include <osgUtil/Simplifier>
#include <osgUtil/SmoothingVisitor>
#include <osgViewer/GraphicsWindow>
#include <osgViewer/Version>
#include <iostream>
#include "OrientationConverter.h"
typedef std::vector<std::string> FileNameList;
class MyGraphicsContext {
public:
MyGraphicsContext()
{
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->x = 0;
traits->y = 0;
traits->width = 1;
traits->height = 1;
traits->windowDecoration = false;
traits->doubleBuffer = false;
traits->sharedContext = 0;
traits->pbuffer = true;
_gc = osg::GraphicsContext::createGraphicsContext(traits.get());
if (!_gc)
{
osg::notify(osg::NOTICE)<<"Failed to create pbuffer, failing back to normal graphics window."<<std::endl;
traits->pbuffer = false;
_gc = osg::GraphicsContext::createGraphicsContext(traits.get());
}
if (_gc.valid())
{
_gc->realize();
_gc->makeCurrent();
if (dynamic_cast<osgViewer::GraphicsWindow*>(_gc.get()))
{
std::cout<<"Realized graphics window for OpenGL operations."<<std::endl;
}
else
{
std::cout<<"Realized pbuffer for OpenGL operations."<<std::endl;
}
}
}
bool valid() const { return _gc.valid() && _gc->isRealized(); }
private:
osg::ref_ptr<osg::GraphicsContext> _gc;
};
class DefaultNormalsGeometryVisitor
: public osg::NodeVisitor
{
public:
DefaultNormalsGeometryVisitor()
: osg::NodeVisitor( osg::NodeVisitor::TRAVERSE_ALL_CHILDREN ) {
}
virtual void apply( osg::Geode & geode )
{
for( unsigned int ii = 0; ii < geode.getNumDrawables(); ++ii )
{
osg::ref_ptr< osg::Geometry > geometry = dynamic_cast< osg::Geometry * >( geode.getDrawable( ii ) );
if( geometry.valid() )
{
osg::ref_ptr< osg::Vec3Array > newnormals = new osg::Vec3Array;
newnormals->push_back( osg::Z_AXIS );
geometry->setNormalArray( newnormals.get() );
geometry->setNormalBinding( osg::Geometry::BIND_OVERALL );
}
}
}
virtual void apply( osg::Node & node )
{
traverse( node );
}
};
class CompressTexturesVisitor : public osg::NodeVisitor
{
public:
CompressTexturesVisitor(osg::Texture::InternalFormatMode internalFormatMode):
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
_internalFormatMode(internalFormatMode) {}
virtual void apply(osg::Node& node)
{
if (node.getStateSet()) apply(*node.getStateSet());
traverse(node);
}
virtual void apply(osg::Geode& node)
{
if (node.getStateSet()) apply(*node.getStateSet());
for(unsigned int i=0;i<node.getNumDrawables();++i)
{
osg::Drawable* drawable = node.getDrawable(i);
if (drawable && drawable->getStateSet()) apply(*drawable->getStateSet());
}
traverse(node);
}
virtual void apply(osg::StateSet& stateset)
{
// search for the existence of any texture object attributes
for(unsigned int i=0;i<stateset.getTextureAttributeList().size();++i)
{
osg::Texture* texture = dynamic_cast<osg::Texture*>(stateset.getTextureAttribute(i,osg::StateAttribute::TEXTURE));
if (texture)
{
_textureSet.insert(texture);
}
}
}
void compress()
{
MyGraphicsContext context;
if (!context.valid())
{
osg::notify(osg::NOTICE)<<"Error: Unable to create graphis context, problem with running osgViewer-"<<osgViewerGetVersion()<<", cannot run compression."<<std::endl;
return;
}
osg::ref_ptr<osg::State> state = new osg::State;
for(TextureSet::iterator itr=_textureSet.begin();
itr!=_textureSet.end();
++itr)
{
osg::Texture* texture = const_cast<osg::Texture*>(itr->get());
osg::Texture2D* texture2D = dynamic_cast<osg::Texture2D*>(texture);
osg::Texture3D* texture3D = dynamic_cast<osg::Texture3D*>(texture);
osg::ref_ptr<osg::Image> image = texture2D ? texture2D->getImage() : (texture3D ? texture3D->getImage() : 0);
if (image.valid() &&
(image->getPixelFormat()==GL_RGB || image->getPixelFormat()==GL_RGBA) &&
(image->s()>=32 && image->t()>=32))
{
texture->setInternalFormatMode(_internalFormatMode);
// need to disable the unref after apply, other the image could go out of scope.
bool unrefImageDataAfterApply = texture->getUnRefImageDataAfterApply();
texture->setUnRefImageDataAfterApply(false);
// get OpenGL driver to create texture from image.
texture->apply(*state);
// restore the original setting
texture->setUnRefImageDataAfterApply(unrefImageDataAfterApply);
image->readImageFromCurrentTexture(0,true);
texture->setInternalFormatMode(osg::Texture::USE_IMAGE_DATA_FORMAT);
}
}
}
typedef std::set< osg::ref_ptr<osg::Texture> > TextureSet;
TextureSet _textureSet;
osg::Texture::InternalFormatMode _internalFormatMode;
};
class FixTransparencyVisitor : public osg::NodeVisitor
{
public:
enum FixTransparencyMode
{
NO_TRANSPARANCY_FIXING,
MAKE_OPAQUE_TEXTURE_STATESET_OPAQUE,
MAKE_ALL_STATESET_OPAQUE
};
FixTransparencyVisitor(FixTransparencyMode mode=MAKE_OPAQUE_TEXTURE_STATESET_OPAQUE):
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
_numTransparent(0),
_numOpaque(0),
_numTransparentMadeOpaque(0),
_mode(mode)
{
std::cout<<"Running FixTransparencyVisitor..."<<std::endl;
}
~FixTransparencyVisitor()
{
std::cout<<" Number of Transparent StateSet "<<_numTransparent<<std::endl;
std::cout<<" Number of Opaque StateSet "<<_numOpaque<<std::endl;
std::cout<<" Number of Transparent State made Opaque "<<_numTransparentMadeOpaque<<std::endl;
}
virtual void apply(osg::Node& node)
{
if (node.getStateSet()) isTransparent(*node.getStateSet());
traverse(node);
}
virtual void apply(osg::Geode& node)
{
if (node.getStateSet()) isTransparent(*node.getStateSet());
for(unsigned int i=0;i<node.getNumDrawables();++i)
{
osg::Drawable* drawable = node.getDrawable(i);
if (drawable && drawable->getStateSet()) isTransparent(*drawable->getStateSet());
}
traverse(node);
}
virtual bool isTransparent(osg::StateSet& stateset)
{
bool hasTranslucentTexture = false;
bool hasBlendFunc = dynamic_cast<osg::BlendFunc*>(stateset.getAttribute(osg::StateAttribute::BLENDFUNC))!=0;
bool hasTransparentRenderingHint = stateset.getRenderingHint()==osg::StateSet::TRANSPARENT_BIN;
bool hasDepthSortBin = (stateset.getRenderBinMode()==osg::StateSet::USE_RENDERBIN_DETAILS)?(stateset.getBinName()=="DepthSortedBin"):false;
bool hasTexture = false;
// search for the existence of any texture object attributes
for(unsigned int i=0;i<stateset.getTextureAttributeList().size();++i)
{
osg::Texture* texture = dynamic_cast<osg::Texture*>(stateset.getTextureAttribute(i,osg::StateAttribute::TEXTURE));
if (texture)
{
hasTexture = true;
for (unsigned int im=0;im<texture->getNumImages();++im)
{
osg::Image* image = texture->getImage(im);
if (image && image->isImageTranslucent()) hasTranslucentTexture = true;
}
}
}
if (hasTranslucentTexture || hasBlendFunc || hasTransparentRenderingHint || hasDepthSortBin)
{
++_numTransparent;
bool makeNonTransparent = false;
switch(_mode)
{
case(MAKE_OPAQUE_TEXTURE_STATESET_OPAQUE):
if (hasTexture && !hasTranslucentTexture)
{
makeNonTransparent = true;
}
break;
case(MAKE_ALL_STATESET_OPAQUE):
makeNonTransparent = true;
break;
default:
makeNonTransparent = false;
break;
}
if (makeNonTransparent)
{
stateset.removeAttribute(osg::StateAttribute::BLENDFUNC);
stateset.removeMode(GL_BLEND);
stateset.setRenderingHint(osg::StateSet::DEFAULT_BIN);
++_numTransparentMadeOpaque;
}
return true;
}
else
{
++_numOpaque;
return false;
}
}
unsigned int _numTransparent;
unsigned int _numOpaque;
unsigned int _numTransparentMadeOpaque;
FixTransparencyMode _mode;
};
class PruneStateSetVisitor : public osg::NodeVisitor
{
public:
PruneStateSetVisitor():
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
_numStateSetRemoved(0)
{
std::cout<<"Running PruneStateSet..."<<std::endl;
}
~PruneStateSetVisitor()
{
std::cout<<" Number of StateState removed "<<_numStateSetRemoved<<std::endl;
}
virtual void apply(osg::Node& node)
{
if (node.getStateSet())
{
node.setStateSet(0);
++_numStateSetRemoved;
}
traverse(node);
}
virtual void apply(osg::Geode& node)
{
if (node.getStateSet())
{
node.setStateSet(0);
++_numStateSetRemoved;
}
for(unsigned int i=0;i<node.getNumDrawables();++i)
{
osg::Drawable* drawable = node.getDrawable(i);
if (drawable && drawable->getStateSet())
{
drawable->setStateSet(0);
++_numStateSetRemoved;
}
}
traverse(node);
}
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 )
{
if (msg)
{
osg::notify(osg::NOTICE)<< std::endl;
osg::notify(osg::NOTICE) << msg << std::endl;
}
// basic usage
osg::notify(osg::NOTICE)<< std::endl;
osg::notify(osg::NOTICE)<<"usage:"<< std::endl;
osg::notify(osg::NOTICE)<<" " << prog << " [options] infile1 [infile2 ...] outfile"<< std::endl;
osg::notify(osg::NOTICE)<< std::endl;
// print env options - especially since optimizer is always _on_
osg::notify(osg::NOTICE)<<"environment:" << std::endl;
osg::ApplicationUsage::UsageMap um = osg::ApplicationUsage::instance()->getEnvironmentalVariables();
std::string envstring;
osg::ApplicationUsage::instance()->getFormattedString( envstring, um );
osg::notify(osg::NOTICE)<<envstring << std::endl;
// print tool options
osg::notify(osg::NOTICE)<<"options:"<< std::endl;
osg::notify(osg::NOTICE)<<" -O option - ReaderWriter option"<< std::endl;
osg::notify(osg::NOTICE)<< std::endl;
osg::notify(osg::NOTICE)<<" --compressed - Enable the usage of compressed textures,"<< std::endl;
osg::notify(osg::NOTICE)<<" defaults to OpenGL ARB compressed textures."<< std::endl;
osg::notify(osg::NOTICE)<<" --compressed-arb - Enable the usage of OpenGL ARB compressed textures"<< std::endl;
osg::notify(osg::NOTICE)<<" --compressed-dxt1 - Enable the usage of S3TC DXT1 compressed textures"<< std::endl;
osg::notify(osg::NOTICE)<<" --compressed-dxt3 - Enable the usage of S3TC DXT3 compressed textures"<< std::endl;
osg::notify(osg::NOTICE)<<" --compressed-dxt5 - Enable the usage of S3TC DXT5 compressed textures"<< std::endl;
osg::notify(osg::NOTICE)<< std::endl;
osg::notify(osg::NOTICE)<<" --fix-transparency - fix stateset which are curerntly declared as transprent,"<< std::endl;
osg::notify(osg::NOTICE)<<" but should be opaque. Defaults to using the "<< std::endl;
osg::notify(osg::NOTICE)<<" fixTranspancyMode MAKE_OPAQUE_TEXTURE_STATESET_OPAQUE."<< std::endl;
osg::notify(osg::NOTICE)<<" --fix-transparency-mode <mode_string> - fix stateset which are curerntly declared as"<< std::endl;
osg::notify(osg::NOTICE)<<" transprent but should be opaque. The mode_string determines"<< std::endl;
osg::notify(osg::NOTICE)<<" algorithm is used to fix the transparency, options are: "<< std::endl;
osg::notify(osg::NOTICE)<<" MAKE_OPAQUE_TEXTURE_STATESET_OPAQUE,"<<std::endl;
osg::notify(osg::NOTICE)<<" MAKE_ALL_STATESET_OPAQUE."<<std::endl;
osg::notify(osg::NOTICE)<< std::endl;
osg::notify(osg::NOTICE)<<" -l libraryName - load plugin of name libraryName"<< std::endl;
osg::notify(osg::NOTICE)<<" i.e. -l osgdb_pfb"<< std::endl;
osg::notify(osg::NOTICE)<<" Useful for loading reader/writers which can load"<< std::endl;
osg::notify(osg::NOTICE)<<" other file formats in addition to its extension."<< std::endl;
osg::notify(osg::NOTICE)<<" -e extensionName - load reader/wrter plugin for file extension"<< std::endl;
osg::notify(osg::NOTICE)<<" i.e. -e pfb"<< std::endl;
osg::notify(osg::NOTICE)<<" Useful short hand for specifying full library name as"<< std::endl;
osg::notify(osg::NOTICE)<<" done with -l above, as it automatically expands to the"<< std::endl;
osg::notify(osg::NOTICE)<<" full library name appropriate for each platform."<< std::endl;
osg::notify(osg::NOTICE)<<" -o orientation - Convert geometry from input files to output files."<< std::endl;
osg::notify(osg::NOTICE)<<
" Format of orientation argument must be the following:\n"
"\n"
" X1,Y1,Z1-X2,Y2,Z2\n"
" or\n"
" degrees-A0,A1,A2\n"
"\n"
" where X1,Y1,Z1 represent the UP vector in the input\n"
" files and X2,Y2,Z2 represent the UP vector of the\n"
" output file, or degrees is the rotation angle in degrees\n"
" around axis (A0,A1,A2). For example, to convert a model\n"
" built in a Y-Up coordinate system to a model with a Z-up\n"
" coordinate system, the argument may look like\n"
"\n"
" 0,1,0-0,0,1"
"\n"
" or\n"
" -90-1,0,0\n"
"\n" << std::endl;
osg::notify(osg::NOTICE)<<" -t translation - Convert spatial position of output files. Format of\n"
" translation argument must be the following :\n"
"\n"
" X,Y,Z\n"
"\n"
" where X, Y, and Z represent the coordinates of the\n"
" absolute position in world space\n"
<< std::endl;
osg::notify(osg::NOTICE)<<" --simplify n - Run simplifier on prior to output. Argument must be a" << std::endl
<<" normalized value for the resultant percentage reduction." << std::endl
<<" Example: --simplify .5 will produce an 50 reduced model." << std::endl
<< std::endl;
osg::notify(osg::NOTICE)<<" -s scale - Scale size of model. Scale argument must be the \n"
" following :\n"
"\n"
" SX,SY,SZ\n"
"\n"
" where SX, SY, and SZ represent the scale factors\n"
" Caution: Scaling will be done in destination orientation\n"
<< 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;
osg::notify(osg::NOTICE)<<" --overallNormal - Replace normals with a single overall normal."<< std::endl;
}
int main( int argc, char **argv )
{
// use an ArgumentParser object to manage the program arguments.
osg::ArgumentParser arguments(&argc,argv);
// set up the usage document, in case we need to print out how to use this program.
arguments.getApplicationUsage()->setApplicationName(arguments.getApplicationName());
arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is a utility for converting between various input and output databases formats.");
arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display command line parameters");
arguments.getApplicationUsage()->addCommandLineOption("--help-env","Display environmental variables available");
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
{
usage( arguments.getApplicationName().c_str(), 0 );
//arguments.getApplicationUsage()->write(std::cout);
return 1;
}
if (arguments.read("--help-env"))
{
arguments.getApplicationUsage()->write(std::cout, osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE);
return 1;
}
if (arguments.argc()<=1)
{
arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
return 1;
}
FileNameList fileNames;
OrientationConverter oc;
bool do_convert = false;
std::string str;
while (arguments.read("-O",str))
{
osgDB::ReaderWriter::Options* options = new osgDB::ReaderWriter::Options;
options->setOptionString(str);
osgDB::Registry::instance()->setOptions(options);
}
std::string ext;
while (arguments.read("-e",ext))
{
std::string libName = osgDB::Registry::instance()->createLibraryNameForExtension(ext);
osgDB::Registry::instance()->loadLibrary(libName);
}
std::string libName;
while (arguments.read("-l",libName))
{
osgDB::Registry::instance()->loadLibrary(libName);
}
while (arguments.read("-o",str))
{
osg::Vec3 from, to;
if( sscanf( str.c_str(), "%f,%f,%f-%f,%f,%f",
&from[0], &from[1], &from[2],
&to[0], &to[1], &to[2] )
!= 6 )
{
float degrees;
osg::Vec3 axis;
// Try deg-axis format
if( sscanf( str.c_str(), "%f-%f,%f,%f",
&degrees, &axis[0], &axis[1], &axis[2] ) != 4 )
{
usage( argv[0], "Orientation argument format incorrect." );
return 1;
}
else
{
oc.setRotation( degrees, axis );
do_convert = true;
}
}
else
{
oc.setRotation( from, to );
do_convert = true;
}
}
while (arguments.read("-s",str))
{
osg::Vec3 scale(0,0,0);
if( sscanf( str.c_str(), "%f,%f,%f",
&scale[0], &scale[1], &scale[2] ) != 3 )
{
usage( argv[0], "Scale argument format incorrect." );
return 1;
}
oc.setScale( scale );
do_convert = true;
}
float simplifyPercent = 1.0;
bool do_simplify = false;
while ( arguments.read( "--simplify",str ) )
{
float nsimp = 1.0;
if( sscanf( str.c_str(), "%f",
&nsimp ) != 1 )
{
usage( argv[0], "Scale argument format incorrect." );
return 1;
}
std::cout << str << " " << nsimp << std::endl;
simplifyPercent = nsimp;
osg::notify( osg::INFO ) << "Simplifying with percentage: " << simplifyPercent << std::endl;
do_simplify = true;
}
while (arguments.read("-t",str))
{
osg::Vec3 trans(0,0,0);
if( sscanf( str.c_str(), "%f,%f,%f",
&trans[0], &trans[1], &trans[2] ) != 3 )
{
usage( argv[0], "Translation argument format incorrect." );
return 1;
}
oc.setTranslation( trans );
do_convert = true;
}
FixTransparencyVisitor::FixTransparencyMode fixTransparencyMode = FixTransparencyVisitor::NO_TRANSPARANCY_FIXING;
std::string fixString;
while(arguments.read("--fix-transparency")) fixTransparencyMode = FixTransparencyVisitor::MAKE_OPAQUE_TEXTURE_STATESET_OPAQUE;
while(arguments.read("--fix-transparency-mode",fixString))
{
if (fixString=="MAKE_OPAQUE_TEXTURE_STATESET_OPAQUE") fixTransparencyMode = FixTransparencyVisitor::MAKE_OPAQUE_TEXTURE_STATESET_OPAQUE;
if (fixString=="MAKE_ALL_STATESET_OPAQUE") fixTransparencyMode = FixTransparencyVisitor::MAKE_ALL_STATESET_OPAQUE;
};
bool pruneStateSet = false;
while(arguments.read("--prune-StateSet")) pruneStateSet = true;
osg::Texture::InternalFormatMode internalFormatMode = osg::Texture::USE_IMAGE_DATA_FORMAT;
while(arguments.read("--compressed") || arguments.read("--compressed-arb")) { internalFormatMode = osg::Texture::USE_ARB_COMPRESSION; }
while(arguments.read("--compressed-dxt1")) { internalFormatMode = osg::Texture::USE_S3TC_DXT1_COMPRESSION; }
while(arguments.read("--compressed-dxt3")) { internalFormatMode = osg::Texture::USE_S3TC_DXT3_COMPRESSION; }
while(arguments.read("--compressed-dxt5")) { internalFormatMode = osg::Texture::USE_S3TC_DXT5_COMPRESSION; }
bool smooth = false;
while(arguments.read("--smooth")) { smooth = true; }
bool addMissingColours = false;
while(arguments.read("--addMissingColours") || arguments.read("--addMissingColors")) { addMissingColours = true; }
bool do_overallNormal = false;
while(arguments.read("--overallNormal") || arguments.read("--overallNormal")) { do_overallNormal = true; }
// any option left unread are converted into errors to write out later.
arguments.reportRemainingOptionsAsUnrecognized();
// report any errors if they have occurred when parsing the program arguments.
if (arguments.errors())
{
arguments.writeErrorMessages(std::cout);
return 1;
}
for(int pos=1;pos<arguments.argc();++pos)
{
if (!arguments.isOption(pos))
{
fileNames.push_back(arguments[pos]);
}
}
std::string fileNameOut("converted.osg");
if (fileNames.size()>1)
{
fileNameOut = fileNames.back();
fileNames.pop_back();
}
osg::Timer_t startTick = osg::Timer::instance()->tick();
osg::ref_ptr<osg::Node> root = osgDB::readNodeFiles(fileNames);
if (root.valid())
{
osg::Timer_t endTick = osg::Timer::instance()->tick();
osg::notify(osg::INFO)<<"Time to load files "<<osg::Timer::instance()->delta_m(startTick, endTick)<<" ms"<<std::endl;
}
if (pruneStateSet)
{
PruneStateSetVisitor pssv;
root->accept(pssv);
}
if (fixTransparencyMode != FixTransparencyVisitor::NO_TRANSPARANCY_FIXING)
{
FixTransparencyVisitor atv(fixTransparencyMode);
root->accept(atv);
}
if ( root.valid() )
{
if (smooth)
{
osgUtil::SmoothingVisitor sv;
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());
if( do_convert )
root = oc.convert( root.get() );
if (internalFormatMode != osg::Texture::USE_IMAGE_DATA_FORMAT)
{
std::string ext = osgDB::getFileExtension(fileNameOut);
if (ext=="ive")
{
CompressTexturesVisitor ctv(internalFormatMode);
root->accept(ctv);
ctv.compress();
}
else
{
std::cout<<"Warning: compressing texture only supported when outputing to .ive"<<std::endl;
}
}
// scrub normals
if ( do_overallNormal )
{
DefaultNormalsGeometryVisitor dngv;
root->accept( dngv );
}
// apply any user-specified simplification
if ( do_simplify )
{
osgUtil::Simplifier simple;
simple.setSmoothing( smooth );
osg::notify( osg::ALWAYS ) << " smoothing: " << smooth << std::endl;
simple.setSampleRatio( simplifyPercent );
root->accept( simple );
}
osgDB::ReaderWriter::WriteResult result = osgDB::Registry::instance()->writeNode(*root,fileNameOut,osgDB::Registry::instance()->getOptions());
if (result.success())
{
osg::notify(osg::NOTICE)<<"Data written to '"<<fileNameOut<<"'."<< std::endl;
}
else if (result.message().empty())
{
osg::notify(osg::NOTICE)<<"Warning: file write to '"<<fileNameOut<<"' no supported."<< std::endl;
}
else
{
osg::notify(osg::NOTICE)<<result.message()<< std::endl;
}
}
else
{
osg::notify(osg::NOTICE)<<"Error no data loaded."<< std::endl;
return 1;
}
return 0;
}
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