static IECore::ObjectPtr getClipboardContents( ApplicationRoot &a )
{
IECore::ConstObjectPtr o = a.getClipboardContents();
if( o )
{
return o->copy();
}
return 0;
}
void VectorTypedParameterHandler<ParameterType>::setParameterValue()
{
IECore::ConstObjectPtr o = m_plug->getValue();
if( o )
{
m_parameter->setValue( o->copy() );
}
else
{
m_parameter->setValue( m_parameter->defaultValue()->copy() );
}
}
IECore::RunTimeTypedPtr ToGLMeshConverter::doConversion( IECore::ConstObjectPtr src, IECore::ConstCompoundObjectPtr operands ) const
{
IECore::MeshPrimitivePtr mesh = IECore::staticPointerCast<IECore::MeshPrimitive>( src->copy() ); // safe because the parameter validated it for us
if( !mesh->variableData<IECore::V3fVectorData>( "P", IECore::PrimitiveVariable::Vertex ) )
{
throw IECore::Exception( "Must specify primitive variable \"P\", of type V3fVectorData and interpolation type Vertex." );
}
if( mesh->variables.find( "N" )==mesh->variables.end() )
{
// the mesh has no normals - we need to explicitly add some. if it's a polygon
// mesh (interpolation==linear) then we add per-face normals for a faceted look
// and if it's a subdivision mesh we add smooth per-vertex normals.
IECore::MeshNormalsOpPtr normalOp = new IECore::MeshNormalsOp();
normalOp->inputParameter()->setValue( mesh );
normalOp->copyParameter()->setTypedValue( false );
normalOp->interpolationParameter()->setNumericValue(
mesh->interpolation() == "linear" ? IECore::PrimitiveVariable::Uniform : IECore::PrimitiveVariable::Vertex
);
normalOp->operate();
}
IECore::TriangulateOpPtr op = new IECore::TriangulateOp();
op->inputParameter()->setValue( mesh );
op->throwExceptionsParameter()->setTypedValue( false ); // it's better to see something than nothing
op->copyParameter()->setTypedValue( false );
op->operate();
IECore::FaceVaryingPromotionOpPtr faceVaryingOp = new IECore::FaceVaryingPromotionOp;
faceVaryingOp->inputParameter()->setValue( mesh );
faceVaryingOp->copyParameter()->setTypedValue( false );
faceVaryingOp->operate();
MeshPrimitivePtr glMesh = new MeshPrimitive( mesh->vertexIds() );
for ( IECore::PrimitiveVariableMap::iterator pIt = mesh->variables.begin(); pIt != mesh->variables.end(); ++pIt )
{
if ( pIt->second.data )
{
glMesh->addPrimitiveVariable( pIt->first, pIt->second );
}
else
{
IECore::msg( IECore::Msg::Warning, "ToGLMeshConverter", boost::format( "No data given for primvar \"%s\"" ) % pIt->first );
}
}
IECore::PrimitiveVariableMap::const_iterator sIt = mesh->variables.find( "s" );
IECore::PrimitiveVariableMap::const_iterator tIt = mesh->variables.find( "t" );
if ( sIt != mesh->variables.end() && tIt != mesh->variables.end() )
{
if ( sIt->second.interpolation != IECore::PrimitiveVariable::Constant
&& tIt->second.interpolation != IECore::PrimitiveVariable::Constant
&& sIt->second.interpolation == tIt->second.interpolation )
{
IECore::ConstFloatVectorDataPtr s = IECore::runTimeCast< const IECore::FloatVectorData >( sIt->second.data );
IECore::ConstFloatVectorDataPtr t = IECore::runTimeCast< const IECore::FloatVectorData >( tIt->second.data );
if ( s && t )
{
/// Should hold true if primvarsAreValid
assert( s->readable().size() == t->readable().size() );
IECore::V2fVectorDataPtr stData = new IECore::V2fVectorData();
stData->writable().resize( s->readable().size() );
for ( unsigned i = 0; i < s->readable().size(); i++ )
{
stData->writable()[i] = Imath::V2f( s->readable()[i], t->readable()[i] );
}
glMesh->addPrimitiveVariable( "st", IECore::PrimitiveVariable( sIt->second.interpolation, stData ) );
}
else
{
IECore::msg( IECore::Msg::Warning, "ToGLMeshConverter", "If specified, primitive variables \"s\" and \"t\" must be of type FloatVectorData and interpolation type FaceVarying." );
}
}
else
{
IECore::msg( IECore::Msg::Warning, "ToGLMeshConverter", "If specified, primitive variables \"s\" and \"t\" must be of type FloatVectorData and non-Constant interpolation type." );
}
}
else if ( sIt != mesh->variables.end() || tIt != mesh->variables.end() )
{
IECore::msg( IECore::Msg::Warning, "ToGLMeshConverter", "Primitive variable \"s\" or \"t\" found, but not both." );
}
return glMesh;
}
static IECore::ObjectPtr getValue( Detail::PythonObjectKnob &knob )
{
check( knob );
IECore::ConstObjectPtr v = knob.objectKnob->getValue();
return v ? v->copy() : 0;
}
