示例#1
0
bool ToHoudiniPolygonsConverter::doConversion( const VisibleRenderable *renderable, GU_Detail *geo ) const
{
	const MeshPrimitive *mesh = static_cast<const MeshPrimitive *>( renderable );
	if ( !mesh )
	{
		return false;
	}
	
	GA_Range newPoints = appendPoints( geo, mesh->variableSize( PrimitiveVariable::Vertex ) );
	if ( !newPoints.isValid() || newPoints.empty() )
	{
		return false;
	}
	
	GA_OffsetList pointOffsets;
	pointOffsets.reserve( newPoints.getEntries() );
	for ( GA_Iterator it=newPoints.begin(); !it.atEnd(); ++it )
	{
		pointOffsets.append( it.getOffset() );
	}
	
	const std::vector<int> &vertexIds = mesh->vertexIds()->readable();
	const std::vector<int> &verticesPerFace = mesh->verticesPerFace()->readable();
	
	GA_OffsetList offsets;
	offsets.reserve( verticesPerFace.size() );
	
	size_t vertCount = 0;
	size_t numPrims = geo->getNumPrimitives();
	for ( size_t f=0; f < verticesPerFace.size(); f++ )
	{
		GU_PrimPoly *poly = GU_PrimPoly::build( geo, 0, GU_POLY_CLOSED, 0 );
		offsets.append( geo->primitiveOffset( numPrims + f ) );
		
		for ( size_t v=0; v < (size_t)verticesPerFace[f]; v++ )
		{
			poly->appendVertex( pointOffsets.get( vertexIds[ vertCount + verticesPerFace[f] - 1 - v ] ) );
		}
		
		vertCount += verticesPerFace[f];
	}
	
	GA_Range newPrims( geo->getPrimitiveMap(), offsets );
	transferAttribs( geo, newPoints, newPrims );
	
	// add the interpolation type
	if ( newPrims.isValid() )
	{
		std::string interpolation = ( mesh->interpolation() == "catmullClark" ) ? "subdiv" : "poly";
		StringVectorDataPtr interpolationVectorData = new StringVectorData();
		interpolationVectorData->writable().push_back( interpolation );
		std::vector<int> indexValues( newPrims.getEntries(), 0 );
		IntVectorDataPtr indexData = new IntVectorData( indexValues );
		ToHoudiniStringVectorAttribConverterPtr converter = new ToHoudiniStringVectorAttribConverter( interpolationVectorData );
		converter->indicesParameter()->setValidatedValue( indexData );
		converter->convert( "ieMeshInterpolation", geo, newPrims );
	}
	
	return true;
}
示例#2
0
IECore::ConstStringVectorDataPtr ImageReader::computeChannelNames( const Gaffer::Context *context, const ImagePlug *parent ) const
{
	std::string fileName = fileNamePlug()->getValue();
	const ImageSpec *spec = imageCache()->imagespec( ustring( fileName.c_str() ) );
	StringVectorDataPtr result = new StringVectorData();
	result->writable() = spec->channelnames;
	return result;
}
示例#3
0
void SceneView::transferSelectionToContext()
{
	/// \todo Use PathMatcherData for the context variable so we don't need
	/// to do this copying into StringVectorData. See related comments
	/// in SceneHierarchy.__transferSelectionFromContext
	StringVectorDataPtr s = new StringVectorData();
	m_sceneGadget->getSelection()->readable().paths( s->writable() );
	getContext()->set( "ui:scene:selectedPaths", s.get() );
}
示例#4
0
void SceneView::transferSelectionToContext()
{
	/// \todo If RenderableGadget used PathMatcherData, then we might not need
	/// to copy data here.
	const RenderableGadget::Selection &selection = m_renderableGadget->getSelection();
	StringVectorDataPtr s = new StringVectorData();
	s->writable().insert( s->writable().end(), selection.begin(), selection.end() );
	getContext()->set( "ui:scene:selectedPaths", s.get() );
}
示例#5
0
void setSelectedPaths( Context *context, const GafferScene::PathMatcher &paths )
{
	/// \todo: Switch to storing PathMatcherData after some thorough
	/// testing and a major version break.
	StringVectorDataPtr s = new StringVectorData;
	paths.paths( s->writable() );

	context->set( g_selectedPathsName, s.get() );
}
示例#6
0
ImageCompositeOp::ImageCompositeOp() : ImagePrimitiveOp( "ImageCompositeOp" )
{
	IntParameter::PresetsContainer operationPresets;
	operationPresets.push_back( IntParameter::Preset( "Over", Over ) );
	operationPresets.push_back( IntParameter::Preset( "Max", Max ) );
	operationPresets.push_back( IntParameter::Preset( "Min", Min ) );
	operationPresets.push_back( IntParameter::Preset( "Multiply", Multiply ) );

	m_operationParameter = new IntParameter(
		"operation",
		"operation description",
		Over,
		operationPresets
	);

	StringVectorDataPtr defaultChannels = new StringVectorData;
	defaultChannels->writable().push_back( "R" );
	defaultChannels->writable().push_back( "G" );
	defaultChannels->writable().push_back( "B" );

	m_channelNamesParameter = new StringVectorParameter(
		"channels",
		"The names of the channels to modify.",
		defaultChannels
	);

	m_alphaChannelNameParameter = new StringParameter(
		"alphaChannelName",
		"The name of the channel which holds the alpha. This is used for both images.",
		"A"
	);

	m_imageAParameter = new ImagePrimitiveParameter(
		"imageA",
		"imageA is the second image operand of the composite. It is named such that operation names like 'A over B' make sense. "
		"Therefore parameter named 'input' represents imageB",
		new ImagePrimitive()
	);

	IntParameter::PresetsContainer inputModePresets;
	inputModePresets.push_back( IntParameter::Preset( "Premultiplied", Premultiplied ) );
	inputModePresets.push_back( IntParameter::Preset( "Unpremultiplied", Unpremultiplied ) );

	m_inputModeParameter = new IntParameter(
		"inputMode",
		"States whether the input images are premultiplied by their alpha.",
		Premultiplied,
		inputModePresets
	);

	parameters()->addParameter( m_operationParameter );
	parameters()->addParameter( m_channelNamesParameter );
	parameters()->addParameter( m_alphaChannelNameParameter );
	parameters()->addParameter( m_imageAParameter );
	parameters()->addParameter( m_inputModeParameter );
}
示例#7
0
IECore::ConstStringVectorDataPtr Shape::computeChannelNames( const Gaffer::Context *context, const ImagePlug *parent ) const
{
	assert( parent == shapePlug() );
	StringVectorDataPtr result = new StringVectorData();
	result->writable().push_back( "R" );
	result->writable().push_back( "G" );
	result->writable().push_back( "B" );
	result->writable().push_back( "A" );
	return result;
}
示例#8
0
		void updateLookThroughCamera()
		{
			if( !m_lookThroughCameraDirty )
			{
				return;
			}

			m_lookThroughCameraDirty = false;
			m_lookThroughCamera = NULL;
			if( !enabledPlug()->getValue() )
			{
				m_view->viewportGadget()->setCamera( m_originalCamera.get() );
				m_view->viewportGadget()->setCameraEditable( true );
				m_view->hideFilter()->pathsPlug()->setToDefault();
				return;
			}

			// We want to look through a specific camera.
			// Retrieve it.

			Context::Scope scopedContext( m_view->getContext() );

			try
			{
				const string cameraPathString = cameraPlug()->getValue();
				if( cameraPathString.empty() )
				{
					m_lookThroughCamera = GafferScene::camera( scenePlug() ); // primary render camera
				}
				else
				{
					ScenePlug::ScenePath cameraPath;
					ScenePlug::stringToPath( cameraPathString, cameraPath );
					m_lookThroughCamera = GafferScene::camera( scenePlug(), cameraPath );
				}
			}
			catch( ... )
			{
				// If an invalid path has been entered for the camera, computation will fail.
				// We just ignore that and lock to the current camera instead.
				m_lookThroughCamera = NULL;
			}

			m_view->viewportGadget()->setCameraEditable( false );
			if( m_lookThroughCamera )
			{
				StringVectorDataPtr invisiblePaths = new StringVectorData();
				invisiblePaths->writable().push_back( m_lookThroughCamera->getName() );
				m_view->hideFilter()->pathsPlug()->setValue( invisiblePaths );
			}
			else
			{
				m_view->hideFilter()->pathsPlug()->setToDefault();
			}
		}
示例#9
0
IECore::StringVectorDataPtr AlembicInput::childNames() const
{
	StringVectorDataPtr resultData = new StringVectorData;
	std::vector<std::string> &resultVector = resultData->writable();
	size_t numChildren = this->numChildren();
	for( size_t i=0; i<numChildren; i++ )
	{
		resultVector.push_back( m_data->object.getChildHeader( i ).getName() );
	}
	return resultData;
}
示例#10
0
IECore::ConstStringVectorDataPtr Shuffle::computeChannelNames( const Gaffer::Context *context, const ImagePlug *parent ) const
{
	StringVectorDataPtr resultData = inPlug()->channelNamesPlug()->getValue()->copy();
	vector<string> &result = resultData->writable();
	for( ChannelPlugIterator it( channelsPlug() ); !it.done(); ++it )
	{
		string channelName = (*it)->outPlug()->getValue();
		if( channelName != "" && find( result.begin(), result.end(), channelName ) == result.end() )
		{
			result.push_back( channelName );
		}
	}

	return resultData;
}
示例#11
0
TransformOp::TransformOp()
	:	PrimitiveOp( "Applies a matrix transformation to primitive variables." )
{
	m_multiplyOp = new MatrixMultiplyOp;
	m_multiplyOp->copyParameter()->setTypedValue( false );

	StringVectorDataPtr defaultPrimVars = new StringVectorData;
	defaultPrimVars->writable().push_back( "P" );
	defaultPrimVars->writable().push_back( "N" );
	m_primVarsParameter = new StringVectorParameter(
		"primVarsToModify",
		"The names of primitive variables which should be transformed according to their Geometric Interpretation.",
		defaultPrimVars
	);
	
	parameters()->addParameter( m_multiplyOp->matrixParameter() );
	parameters()->addParameter( m_primVarsParameter );
}
示例#12
0
IECore::ConstStringVectorDataPtr Constant::computeChannelNames( const Gaffer::Context *context, const ImagePlug *parent ) const
{
	std::string channelNamePrefix = layerPlug()->getValue();
	if( !channelNamePrefix.empty() )
	{
		channelNamePrefix += ".";
	}

	StringVectorDataPtr resultData = new StringVectorData();
	vector<string> &result = resultData->writable();

	result.push_back( channelNamePrefix + "R" );
	result.push_back( channelNamePrefix + "G" );
	result.push_back( channelNamePrefix + "B" );
	result.push_back( channelNamePrefix + "A" );

	return resultData;
}
示例#13
0
void CopyChannels::compute( Gaffer::ValuePlug *output, const Gaffer::Context *context ) const
{
	if( output == mappingPlug() )
	{
		const string channelMatchPatterns = channelsPlug()->getValue();

		CompoundObjectPtr result = new CompoundObject();
		StringVectorDataPtr channelNamesData = new StringVectorData;
		result->members()["__channelNames"] = channelNamesData;
		vector<string> &channelNames = channelNamesData->writable();
		size_t i = 0;
		for( ImagePlugIterator it( inPlugs() ); !it.done(); ++i, ++it )
		{
			/// \todo We need this check because an unconnected input
			/// has a default channelNames value of [ "R", "G", "B" ],
			/// when it should have an empty default instead. Fix
			/// the ImagePlug constructor and remove the check.
			if( !(*it)->getInput<Plug>() )
			{
				continue;
			}
			ConstStringVectorDataPtr inputChannelNamesData = (*it)->channelNamesPlug()->getValue();
			const vector<string> &inputChannelNames = inputChannelNamesData->readable();
			for( vector<string>::const_iterator cIt = inputChannelNames.begin(), ceIt = inputChannelNames.end(); cIt != ceIt; ++cIt )
			{
				if( i > 0 && !StringAlgo::matchMultiple( *cIt, channelMatchPatterns ) )
				{
					continue;
				}
				if( find( channelNames.begin(), channelNames.end(), *cIt ) == channelNames.end() )
				{
					channelNames.push_back( *cIt );
				}
				result->members()[*cIt] = new IntData( i );
			}
		}
		static_cast<CompoundObjectPlug *>( output )->setValue( result );
		return;
	}

	ImageProcessor::compute( output, context );
}
示例#14
0
DeepImageWriter::DeepImageWriter( const std::string &description ) : Parameterised( description )
{
	m_fileNameParameter = new FileNameParameter( "fileName", "The filename to be written to.", "", "", false );
	
	StringVectorDataPtr defaultChannels = new StringVectorData();
	std::vector<std::string> &channels = defaultChannels->writable();
	channels.push_back( "R" );
	channels.push_back( "G" );
	channels.push_back( "B" );
	channels.push_back( "A" );
	m_channelsParameter = new StringVectorParameter( "channelNames", "The list of channels to write.", defaultChannels );
	
	m_resolutionParameter = new V2iParameter( "resolution", "The resolution of the image to write.", new V2iData( Imath::V2i( 2048, 1556 ) ) );
	
	parameters()->addParameter( m_fileNameParameter );
	parameters()->addParameter( m_channelsParameter );
	parameters()->addParameter( m_resolutionParameter );
	parameters()->addParameter( new M44fParameter( "worldToCameraMatrix", "world to camera space transformation matrix", new M44fData() ) );
	parameters()->addParameter( new M44fParameter( "worldToNDCMatrix", "world to screen space projection matrix", new M44fData() ) );
}
示例#15
0
IECore::DataPtr RenderManShader::parameterValue( const Gaffer::Plug *parameterPlug, NetworkBuilder &network ) const
{
	if( parameterPlug->typeId() == Plug::staticTypeId() )
	{
		// coshader parameter
		const Plug *inputPlug = parameterPlug->source<Plug>();
		if( inputPlug && inputPlug != parameterPlug )
		{
			const RenderManShader *inputShader = inputPlug->parent<RenderManShader>();
			if( inputShader )
			{
				const std::string &handle = network.shaderHandle( inputShader );
				if( handle.size() )
				{
					return new StringData( handle );
				}
			}
		}
	}
	else if( parameterPlug->isInstanceOf( ArrayPlug::staticTypeId() ) )
	{
		// coshader array parameter
		StringVectorDataPtr value = new StringVectorData();
		for( InputPlugIterator cIt( parameterPlug ); cIt != cIt.end(); ++cIt )
		{
			const Plug *inputPlug = (*cIt)->source<Plug>();
			const RenderManShader *inputShader = inputPlug && inputPlug != *cIt ? inputPlug->parent<RenderManShader>() : 0;
			if( inputShader )
			{
				value->writable().push_back( network.shaderHandle( inputShader ) );
			}
			else
			{
				value->writable().push_back( "" );
			}
		}
		return value;
	}
	
	return Shader::parameterValue( parameterPlug, network );
}
示例#16
0
static IECore::DataPtr convertMetadata( const OSLQuery::Parameter &metadata )
{
	if( metadata.type == TypeDesc::FLOAT )
	{
		return new IECore::FloatData( metadata.fdefault[0] );
	}
	else if( metadata.type == TypeDesc::INT )
	{
		return new IECore::IntData( metadata.idefault[0] );
	}
	else if( metadata.type == TypeDesc::STRING )
	{
		return new IECore::StringData( metadata.sdefault[0].c_str() );
	}
	else if( metadata.type.aggregate == TypeDesc::VEC3 )
	{
		if( metadata.type.basetype == TypeDesc::FLOAT )
		{
			if( metadata.type.vecsemantics == TypeDesc::COLOR )
			{
				return new IECore::Color3fData( Imath::Color3f(
					metadata.fdefault[0],
					metadata.fdefault[1],
					metadata.fdefault[2]
				) );
			}
			else
			{
				return new IECore::V3fData( Imath::V3f(
					metadata.fdefault[0],
					metadata.fdefault[1],
					metadata.fdefault[2]
				) );
			}
		}
		else
		{
			return new IECore::V3iData( Imath::V3i(
				metadata.idefault[0],
				metadata.idefault[1],
				metadata.idefault[2]
			) );
		}
	}
	else if( metadata.type.arraylen > 0 )
	{
		if( metadata.type.elementtype() == TypeDesc::FLOAT )
		{
			return new FloatVectorData( metadata.fdefault );
		}
		else if( metadata.type.elementtype() == TypeDesc::INT )
		{
			return new IntVectorData( metadata.idefault );
		}
		else if( metadata.type.elementtype() == TypeDesc::STRING )
		{
			StringVectorDataPtr result = new StringVectorData;
			for( vector<ustring>::const_iterator it = metadata.sdefault.begin(), eIt = metadata.sdefault.end(); it != eIt; ++it )
			{
				result->writable().push_back( it->string() );
			}
			return result;
		}
	}

	IECore::msg( IECore::Msg::Warning, "OSLShader", string( "Metadata \"" ) + metadata.name.c_str() + "\" has unsupported type" );
	return NULL;
}
示例#17
0
CompoundDataPtr BGEOParticleReader::readAttributes( const std::vector<std::string> &names )
{
	if( !open() )
	{
		return 0;
	}
	
	CompoundDataPtr result = new CompoundData();
	
	std::vector< struct AttrInfo > attrInfo;
	
	int intAttribBuffer[ 3 ];
	int *intAttributePtr = &intAttribBuffer[0];
	float floatAttribBuffer[ 4 ];
	float *floatAttributePtr = &floatAttribBuffer[0];
	
	vector<Record>::const_iterator it;
	for( it=m_header.attributes.begin(); it!=m_header.attributes.end(); it++ )
	{
		V3fVectorDataPtr v3fVector = 0;
		V2fVectorDataPtr v2fVector = 0;
		FloatVectorDataPtr floatVector = 0;
		IntVectorDataPtr intVector = 0;
		StringVectorDataPtr stringVector = 0;
		DataPtr dataVector = 0;
		
		if ( it->size == 1 )
		{
			if ( it->type == Float )
			{
				floatVector = new FloatVectorData();
				floatVector->writable().resize( numParticles() );
				dataVector = floatVector;
			}
			else if ( it->type == Integer )
			{
				intVector = new IntVectorData();
				intVector->writable().resize( numParticles() );
				dataVector = intVector;
			}
			else if ( it->type == Index )
			{
				stringVector = new StringVectorData();
				stringVector->writable().resize( numParticles() );
				dataVector = stringVector;
			}
		}
		else if ( it->size == 2 )
		{
			v2fVector = new V2fVectorData();
			v2fVector->writable().resize( numParticles() );
			dataVector = v2fVector;
		}
		else if ( it->size == 3 || it->size == 4 )
		{
			v3fVector = new V3fVectorData();
			v3fVector->writable().resize( numParticles() );
			dataVector = v3fVector;
		}
		else
		{
			msg( Msg::Error, "BGEOParticleReader::readAttributes()", format( "Internal error. Unrecognized type '%d' of size '%d' while loading attribute %s." ) % it->type % it->size % it->name );
			return 0;
		}

		AttrInfo info = {
			*it,
			dataVector,
		};

		attrInfo.push_back( info );
	}
		
	// read all of the data at once
	std::vector<char> dataBuffer;
	dataBuffer.resize( m_header.numPoints * m_header.dataSize );
	char *dataBufferPtr = &dataBuffer[0];
	m_iStream->seekg( ios_base::beg + m_header.firstPointPosition );
	m_iStream->read( dataBufferPtr, m_header.numPoints * m_header.dataSize );
	for ( int i = 0; i < m_header.numPoints; i++)
	{
		std::vector< struct AttrInfo >::iterator it;
		for (it = attrInfo.begin(); it != attrInfo.end(); it++)
		{
			// P contains an additional byte in the BGEO
			if ( it->info.type == Integer || it->info.type == Index )
			{
				readAttributeData( &dataBufferPtr, intAttributePtr, it->info.size );
			}
			else
			{
				readAttributeData( &dataBufferPtr, floatAttributePtr, it->info.size );
			}
			
			switch (it->targetData->typeId())
			{
			case V3fVectorDataTypeId:
				{
					V3f &p = staticPointerCast<V3fVectorData>(it->targetData)->writable()[ i ];
					p[0] = floatAttributePtr[0];
					p[1] = floatAttributePtr[1];
					p[2] = floatAttributePtr[2];
					break;
				}
			case V2fVectorDataTypeId:
				{
					V2f &p = staticPointerCast<V2fVectorData>(it->targetData)->writable()[ i ];
					p[0] = floatAttributePtr[0];
					p[1] = floatAttributePtr[1];
					break;
				}
			case FloatVectorDataTypeId:
				staticPointerCast<FloatVectorData>(it->targetData)->writable()[ i ] = floatAttributePtr[0];
				break;
			case IntVectorDataTypeId:
				staticPointerCast<IntVectorData>(it->targetData)->writable()[ i ] = intAttributePtr[0];
				break;
			case StringVectorDataTypeId:
				{
					std::string value = it->info.indexableValues.at( intAttributePtr[0] );
					staticPointerCast<StringVectorData>(it->targetData)->writable()[ i ] = value;
					break;
				}
			default:
				msg( Msg::Error, "BGEOParticleReader::readAttributes()", format( "Internal error. Unrecognized typeId '%d'." ) % it->targetData->typeId() );
				return 0;
			}
		}
	}
	
	/// \todo Use particle ids for filtering.
	const Data *ids = 0;

	DataPtr filteredData = 0;
	// filter and convert each attribute individually.
	std::vector< struct AttrInfo >::const_iterator attrIt;
	for( attrIt=attrInfo.begin(); attrIt!=attrInfo.end(); attrIt++ )
	{
		// The data had to be read, but we don't need to filter or store it
		if( find( names.begin(), names.end(), attrIt->info.name ) == names.end() )
		{
			continue;
		}
		
		if ( attrIt->info.size == 1 )
		{
			if ( attrIt->info.type == Float )
			{
				switch( realType() )
				{
				case ParticleReader::Native :
				case ParticleReader::Float :
					filteredData = filterAttr<FloatVectorData, FloatVectorData>( staticPointerCast<FloatVectorData>(attrIt->targetData), particlePercentage(), ids );
					break;
				case ParticleReader::Double :
					filteredData = filterAttr<DoubleVectorData, FloatVectorData>( staticPointerCast<FloatVectorData>(attrIt->targetData), particlePercentage(), ids );
					break;
				}
			}
			else if ( attrIt->info.type == Integer )
			{
				filteredData = filterAttr<IntVectorData, IntVectorData>( staticPointerCast<IntVectorData>(attrIt->targetData), particlePercentage(), ids );
			}
			else if ( attrIt->info.type == Index )
			{
				filteredData = filterAttr<StringVectorData, StringVectorData>( staticPointerCast<StringVectorData>(attrIt->targetData), particlePercentage(), ids );
			}
		}
		else if ( attrIt->info.size == 2 )
		{
			if ( attrIt->info.type == Float )
			{
				switch( realType() )
				{
				case ParticleReader::Native :
				case ParticleReader::Float :
					filteredData = filterAttr<V2fVectorData, V2fVectorData>( staticPointerCast<V2fVectorData>(attrIt->targetData), particlePercentage(), ids );
					break;
				case ParticleReader::Double :
					filteredData = filterAttr<V2dVectorData, V2fVectorData>( staticPointerCast<V2fVectorData>(attrIt->targetData), particlePercentage(), ids );
					break;
				}
			}
		}
		else if ( attrIt->info.size == 3 || attrIt->info.size == 4 )
		{
			if ( ( attrIt->info.type == Float ) || ( attrIt->info.type == Vector ) )
			{
				switch( realType() )
				{
				case ParticleReader::Native :
				case ParticleReader::Float :
					filteredData = filterAttr<V3fVectorData, V3fVectorData>( staticPointerCast<V3fVectorData>(attrIt->targetData), particlePercentage(), ids );
					break;
				case ParticleReader::Double :
					filteredData = filterAttr<V3dVectorData, V3fVectorData>( staticPointerCast<V3fVectorData>(attrIt->targetData), particlePercentage(), ids );
					break;
				}
			}
		}
		else
		{
			msg( Msg::Error, "BGEOParticleReader::readAttributes()", format( "Internal error. Unrecognized type '%d' of size '%d' while converting attribute %s." ) % attrIt->info.type % attrIt->info.size % attrIt->info.name );
			return 0;
		}
		
		result->writable()[attrIt->info.name] = filteredData;
	}
	
	return result;
}
示例#18
0
void SceneView::updateLookThrough()
{
	Context::Scope scopedContext( getContext() );

	const ScenePlug *scene = preprocessedInPlug<ScenePlug>();
	ConstCompoundObjectPtr globals = scene->globalsPlug()->getValue();
	
	string cameraPathString;
	IECore::CameraPtr camera;
	if( lookThroughEnabledPlug()->getValue() )
	{
		cameraPathString = lookThroughCameraPlug()->getValue();
		if( cameraPathString.empty() )
		{
			if( const StringData *cameraPathData = globals->member<StringData>( "render:camera" ) )
			{
				cameraPathString = cameraPathData->readable();
			}
		}
		
		if( !cameraPathString.empty() )
		{
			ScenePlug::ScenePath cameraPath;
			ScenePlug::stringToPath( cameraPathString, cameraPath );
			
			try
			{
				ConstCameraPtr constCamera = runTimeCast<const IECore::Camera>( scene->object( cameraPath ) );
				if( constCamera )
				{
					camera = constCamera->copy();
					camera->setTransform( new MatrixTransform( scene->fullTransform( cameraPath ) ) );
					
					// if the camera has an existing screen window, remove it.
					// if we didn't, it would conflict with the resolution we set
					// below, yielding squashed/stretched images.
					/// \todo Properly specify how cameras are represented in Gaffer
					/// (the Cortex representation is very renderer-centric, with no
					/// real world parameters like film back) so that this isn't necessary,
					/// and add nice overlays for resolution gate etc.
					camera->parameters().erase( "screenWindow" );
				}
			}
			catch( ... )
			{
				// if an invalid path has been entered for the camera, computation will fail.
				// we can just ignore that and fall through to lock to the current camera instead.
				cameraPathString = "";
			}
		}
		
		if( !camera )
		{
			// we couldn't find a render camera to lock to, but we can lock to the current
			// camera instead.
			camera = viewportGadget()->getCamera()->copy();
		}
	}
	
	if( camera )
	{
		camera->parameters()["resolution"] = new V2iData( viewportGadget()->getViewport() );
		viewportGadget()->setCamera( camera );
		viewportGadget()->setCameraEditable( false );
		
		StringVectorDataPtr invisiblePaths = new StringVectorData();
		invisiblePaths->writable().push_back( cameraPathString );
		hideFilter()->pathsPlug()->setValue( invisiblePaths );
	}
	else
	{
		viewportGadget()->setCameraEditable( true );
		hideFilter()->pathsPlug()->setToDefault();
	}
}
示例#19
0
ObjectPtr SLOReader::doOperation( const CompoundObject * operands )
{
	tbb::mutex::scoped_lock lock( g_mutex );
	
	if( Slo_SetShader( (char *)fileName().c_str() ) )
	{
		throw Exception( boost::str( boost::format( "Unable to set shader to \"%s\"" ) % fileName() ) );
	}

	string name = Slo_GetName();
	string type = Slo_TypetoStr( Slo_GetType() );
	ShaderPtr result = new Shader( name, type );

	CompoundDataPtr typeHints = new CompoundData;
	result->blindData()->writable().insert( pair<string, DataPtr>( "ri:parameterTypeHints", typeHints ) );

	// we lose the ordering of parameter names when we put them in result->parameters(),
	// so we stick the correct order in the blind data as a workaround for anyone interested
	// in the true ordering.
	StringVectorDataPtr orderedParameterNames = new StringVectorData;
	result->blindData()->writable().insert( pair<string, DataPtr>( "ri:orderedParameterNames", orderedParameterNames ) );	

	// we don't have a way of communicating which parameters are outputs in the Shader::parametersData(),
	// so we work around that using the blind data too.
	StringVectorDataPtr outputParameterNames = new StringVectorData;
	result->blindData()->writable().insert( pair<string, DataPtr>( "ri:outputParameterNames", outputParameterNames ) );	

	int numArgs = Slo_GetNArgs();
	for( int i=1; i<=numArgs; i++ )
	{
		DataPtr data = 0;

		SLO_VISSYMDEF *arg = Slo_GetArgById( i );
		switch( arg->svd_type )
		{
			case SLO_TYPE_POINT :
			case SLO_TYPE_VECTOR :
			case SLO_TYPE_NORMAL :
				{
					if( arg->svd_arraylen==0 )
					{
						const SLO_POINT *p = arg->svd_default.pointval;
						if( p )
						{
							data = new V3fData( V3f( p->xval, p->yval, p->zval ) );
						}
						else
						{
							// 0 length and null value signifies a variable length array
							data = new V3fVectorData();
						}
					}
					else
					{
						V3fVectorDataPtr vData = new V3fVectorData();
						data = vData;
						for( int j=0; j<arg->svd_arraylen; j++ )
						{
							SLO_VISSYMDEF *a = Slo_GetArrayArgElement( arg, j );
							const SLO_POINT *p = a->svd_default.pointval;
							vData->writable().push_back( V3f( p->xval, p->yval, p->zval ) );
						}
					}
					typeHints->writable().insert( pair<string, DataPtr>( arg->svd_name, new StringData( Slo_TypetoStr( arg->svd_type ) ) ) );
					break;
				}

			case SLO_TYPE_COLOR :
				{
					if( arg->svd_arraylen==0 )
					{
						const SLO_POINT *p = arg->svd_default.pointval;
						if( p )
						{
							data = new Color3fData( Color3f( p->xval, p->yval, p->zval ) );
						}
						else
						{
							// 0 length and null value signifies a variable length array
							data = new Color3fVectorData();
						}
					}
					else
					{
						Color3fVectorDataPtr vData = new Color3fVectorData();
						data = vData;
						for( int j=0; j<arg->svd_arraylen; j++ )
						{
							SLO_VISSYMDEF *a = Slo_GetArrayArgElement( arg, j );
							const SLO_POINT *p = a->svd_default.pointval;
							vData->writable().push_back( Color3f( p->xval, p->yval, p->zval ) );
						}
					}
				}
				break;

			case SLO_TYPE_SCALAR :
				{
					if( arg->svd_arraylen==0 )
					{
						const float *value = arg->svd_default.scalarval;
						if( value )
						{
							data = new FloatData( *value );
						}
						else
						{
							// 0 length and null value signifies a variable length array
							data = new FloatVectorData();
						}
					}
					else
					{
						FloatVectorDataPtr vData = new FloatVectorData();
						data = vData;
						for( int j=0; j<arg->svd_arraylen; j++ )
						{
							SLO_VISSYMDEF *a = Slo_GetArrayArgElement( arg, j );
							vData->writable().push_back( *(a->svd_default.scalarval) );
						}
						if( arg->svd_arraylen==3 )
						{
							// allow V3fData and V3fVectorData to be mapped to float[3] parameters.
							typeHints->writable().insert( pair<string, DataPtr>( arg->svd_name, new StringData( "float[3]" ) ) );
						}
					}
				}
				break;

			case SLO_TYPE_STRING :
				{
					if( arg->svd_arraylen==0 )
					{
						const char *defaultValue = arg->svd_default.stringval;
						if( defaultValue )
						{
							data = new StringData( defaultValue );
						}
						else
						{
							// 0 length and null value signifies a variable length array
							data = new StringVectorData();
						}
					}
					else
					{
						StringVectorDataPtr vData = new StringVectorData();
						data = vData;
						for( int j=0; j<arg->svd_arraylen; j++ )
						{
							SLO_VISSYMDEF *a = Slo_GetArrayArgElement( arg, j );
							// sometimes the default value for an element of a string array can be a null pointer.
							// i'm not sure what the meaning of this is. the 3delight shaderinfo utility reports such values
							// as "(null)", so that's what we do too.
							const char *defaultValue = a->svd_default.stringval;
							vData->writable().push_back( defaultValue ? defaultValue : "(null)" );
						}
					}
				}
				break;

			case SLO_TYPE_MATRIX :
				{
					if( arg->svd_arraylen==0 )
					{
						const float *m = arg->svd_default.matrixval;
						if( m )
						{
							M44f mm(	m[0], m[1], m[2], m[3],
										m[4], m[5], m[6], m[7],
										m[8], m[9], m[10], m[11],
										m[12], m[13], m[14], m[15] 	);
							data = new M44fData( mm );
						}
						else
						{
							// 0 length and null value signifies a variable length array
							data = new M44fVectorData();
						}
					}
					else
					{
						M44fVectorDataPtr vData = new M44fVectorData();
						data = vData;
						for( int j=0; j<arg->svd_arraylen; j++ )
						{
							SLO_VISSYMDEF *a = Slo_GetArrayArgElement( arg, j );
							const float *m = a->svd_default.matrixval;
							M44f mm(	m[0], m[1], m[2], m[3],
										m[4], m[5], m[6], m[7],
										m[8], m[9], m[10], m[11],
										m[12], m[13], m[14], m[15] 	);
							vData->writable().push_back( mm );
						}
					}
				}
				break;
				
			case SLO_TYPE_SHADER :
				{
					if( arg->svd_arraylen==0 )
					{
						if( !arg->svd_valisvalid )
						{
							// variable length array
							data = new StringVectorData();
						}
						else
						{
							data = new StringData();
						}
					}
					else
					{
						StringVectorDataPtr sData = new StringVectorData();
						data = sData;
						sData->writable().resize( arg->svd_arraylen );
					}
					typeHints->writable().insert( pair<string, DataPtr>( arg->svd_name, new StringData( Slo_TypetoStr( arg->svd_type ) ) ) );
				}
				break;

			default :

				msg( Msg::Warning, "SLOReader::read", format( "Parameter \"%s\" has unsupported type." ) % arg->svd_name );
		}

		if( data )
		{
			orderedParameterNames->writable().push_back( arg->svd_name );
			result->parameters().insert( CompoundDataMap::value_type( arg->svd_name, data ) );
			if( arg->svd_storage == SLO_STOR_OUTPUTPARAMETER )
			{
				outputParameterNames->writable().push_back( arg->svd_name );
			}
		}

	}

	// shader annotations
	
	CompoundDataPtr annotations = new CompoundData;
	result->blindData()->writable().insert( pair<string, DataPtr>( "ri:annotations", annotations ) );
	
#ifndef PRMANEXPORT
	for( int i=1, n=Slo_GetNAnnotations(); i <= n; i++ )
	{
		const char *key = Slo_GetAnnotationKeyById( i );
		annotations->writable()[key] = new StringData( Slo_GetAnnotationByKey( key ) );
	}
#endif

	Slo_EndShader();
	return result;
}
void ToHoudiniGeometryConverter::transferAttribValues(
	const Primitive *primitive, GU_Detail *geo,
	const GA_Range &points, const GA_Range &prims,
	PrimitiveVariable::Interpolation vertexInterpolation,
	PrimitiveVariable::Interpolation primitiveInterpolation,
	PrimitiveVariable::Interpolation pointInterpolation,
	PrimitiveVariable::Interpolation detailInterpolation
) const
{
	GA_OffsetList offsets;
	if ( prims.isValid() )
	{
		const GA_PrimitiveList &primitives = geo->getPrimitiveList();
		for ( GA_Iterator it=prims.begin(); !it.atEnd(); ++it )
		{
			const GA_Primitive *prim = primitives.get( it.getOffset() );
			size_t numPrimVerts = prim->getVertexCount();
			for ( size_t v=0; v < numPrimVerts; v++ )
			{
				if ( prim->getTypeId() == GEO_PRIMPOLY )
				{
					offsets.append( prim->getVertexOffset( numPrimVerts - 1 - v ) );
				}
				else
				{
					offsets.append( prim->getVertexOffset( v ) );
				}
			}
		}
	}

	GA_Range vertRange( geo->getVertexMap(), offsets );
	
	UT_String filter( attributeFilterParameter()->getTypedValue() );
	
	// match all the string variables to each associated indices variable
	/// \todo: replace all this logic with IECore::IndexedData once it exists...
	PrimitiveVariableMap stringsToIndices;
	for ( PrimitiveVariableMap::const_iterator it=primitive->variables.begin() ; it != primitive->variables.end(); it++ )
	{
		if ( !primitive->isPrimitiveVariableValid( it->second ) )
		{
			IECore::msg( IECore::MessageHandler::Warning, "ToHoudiniGeometryConverter", "PrimitiveVariable " + it->first + " is invalid. Ignoring." );
			filter += UT_String( " ^" + it->first );
			continue;
		}

		ToHoudiniAttribConverterPtr converter = ToHoudiniAttribConverter::create( it->second.data );
		if ( !converter )
		{
			continue;
		}
		
		if ( it->second.data->isInstanceOf( StringVectorDataTypeId ) )
		{
			std::string indicesVariableName = it->first + "Indices";
			PrimitiveVariableMap::const_iterator indices = primitive->variables.find( indicesVariableName );
			if ( indices != primitive->variables.end() && indices->second.data->isInstanceOf( IntVectorDataTypeId ) && primitive->isPrimitiveVariableValid( indices->second ) )
			{
				stringsToIndices[it->first] = indices->second;
				filter += UT_String( " ^" + indicesVariableName );
			}
		}
	}
	
	bool convertStandardAttributes = m_convertStandardAttributesParameter->getTypedValue();
	if ( convertStandardAttributes && UT_String( "s" ).multiMatch( filter ) && UT_String( "t" ).multiMatch( filter ) )
	{
		// convert s and t to uv
		PrimitiveVariableMap::const_iterator sPrimVar = primitive->variables.find( "s" );
		PrimitiveVariableMap::const_iterator tPrimVar = primitive->variables.find( "t" );
		if ( sPrimVar != primitive->variables.end() && tPrimVar != primitive->variables.end() )
		{
			if ( sPrimVar->second.interpolation == tPrimVar->second.interpolation )
			{
				const FloatVectorData *sData = runTimeCast<const FloatVectorData>( sPrimVar->second.data );
				const FloatVectorData *tData = runTimeCast<const FloatVectorData>( tPrimVar->second.data );
				if ( sData && tData )
				{
					const std::vector<float> &s = sData->readable();
					const std::vector<float> &t = tData->readable();
					
					std::vector<Imath::V3f> uvw;
					uvw.reserve( s.size() );
					for ( size_t i=0; i < s.size(); ++i )
					{
						uvw.push_back( Imath::V3f( s[i], 1 - t[i], 0 ) );
					}
					
					GA_Range range = vertRange;
					if ( sPrimVar->second.interpolation == pointInterpolation )
					{
						range = points;
					}
					
					ToHoudiniAttribConverterPtr converter = ToHoudiniAttribConverter::create( new V3fVectorData( uvw ) );
					converter->convert( "uv", geo, range );
					filter += " ^s ^t";
				}
			}
		}
	}
	
 	UT_StringMMPattern attribFilter;
	attribFilter.compile( filter );
	
	// add the primitive variables to the various GEO_AttribDicts based on interpolation type
	for ( PrimitiveVariableMap::const_iterator it=primitive->variables.begin() ; it != primitive->variables.end(); it++ )
	{
		UT_String varName( it->first );
		if ( !varName.multiMatch( attribFilter ) )
		{
			continue;
		}
		
		PrimitiveVariable primVar = processPrimitiveVariable( primitive, it->second );
		ToHoudiniAttribConverterPtr converter = ToHoudiniAttribConverter::create( primVar.data );
		if ( !converter )
		{
			continue;
		}
		
		PrimitiveVariable::Interpolation interpolation = primVar.interpolation;
		
		if ( converter->isInstanceOf( (IECore::TypeId)ToHoudiniStringVectorAttribConverterTypeId ) )
		{
			PrimitiveVariableMap::const_iterator indices = stringsToIndices.find( it->first );
			if ( indices != stringsToIndices.end() )
			{
				ToHoudiniStringVectorAttribConverter *stringVectorConverter = IECore::runTimeCast<ToHoudiniStringVectorAttribConverter>( converter );
				PrimitiveVariable indicesPrimVar = processPrimitiveVariable( primitive, indices->second );
				stringVectorConverter->indicesParameter()->setValidatedValue( indicesPrimVar.data );
				interpolation = indices->second.interpolation;
			}
		}
		
		const std::string name = ( convertStandardAttributes ) ? processPrimitiveVariableName( it->first ) : it->first;
		
		if ( interpolation == detailInterpolation )
 		{
			// add detail attribs
			converter->convert( name, geo );
	 	}
		else if ( interpolation == pointInterpolation )
		{
			// add point attribs
			if ( name == "P" )
			{
				// special case for P
				transferP( runTimeCast<const V3fVectorData>( primVar.data ), geo, points );
			}
			else
			{
 				converter->convert( name, geo, points );
			}
		}
		else if ( interpolation == primitiveInterpolation )
		{
			// add primitive attribs
			converter->convert( name, geo, prims );
		}
		else if ( interpolation == vertexInterpolation )
		{
			// add vertex attribs
			converter->convert( name, geo, vertRange );
		}
	}
	
	// add the name attribute based on blindData
	const StringData *nameData = primitive->blindData()->member<StringData>( "name" );
	if ( nameData )
	{
		if ( prims.isValid() )
		{
			StringVectorDataPtr nameVectorData = new StringVectorData();
			nameVectorData->writable().push_back( nameData->readable() );
			std::vector<int> indexValues( prims.getEntries(), 0 );
			IntVectorDataPtr indexData = new IntVectorData( indexValues );
			ToHoudiniStringVectorAttribConverterPtr converter = new ToHoudiniStringVectorAttribConverter( nameVectorData );
			converter->indicesParameter()->setValidatedValue( indexData );
			converter->convert( "name", geo, prims );
		}
	}
}
void DisplayDriverServer::Session::handleReadOpenParameters( const boost::system::error_code& error )
{
	if (error)
	{
		msg( Msg::Error, "DisplayDriverServer::Session::handleReadOpenParameters", error.message().c_str() );
		m_socket.close();
		return;
	}

	StringDataPtr displayDriverType;
	Box2iDataPtr displayWindow, dataWindow;
	StringVectorDataPtr channelNames;
	CompoundDataPtr parameters;
	bool scanLineOrder = false;
	bool acceptsRepeatedData = false;

	// handle imageOpen parameters.
	try
	{
		MemoryIndexedIOPtr io = new MemoryIndexedIO( m_buffer, IndexedIO::rootPath, IndexedIO::Exclusive | IndexedIO::Read );
		displayWindow = staticPointerCast<Box2iData>( Object::load( io, "displayWindow" ) );
		dataWindow = staticPointerCast<Box2iData>( Object::load( io, "dataWindow" ) );
		channelNames = staticPointerCast<StringVectorData>( Object::load( io, "channelNames" ) );
		parameters = staticPointerCast<CompoundData>( Object::load( io, "parameters" ) );

		const StringData *displayType = parameters->member<StringData>( "remoteDisplayType", true /* throw if missing */ );

		// create a displayDriver using the factory function.
		m_displayDriver = DisplayDriver::create( displayType->readable(), displayWindow->readable(), dataWindow->readable(), channelNames->readable(), parameters );

		scanLineOrder = m_displayDriver->scanLineOrderOnly();
		acceptsRepeatedData = m_displayDriver->acceptsRepeatedData();
	}
	catch( std::exception &e )
	{
		msg( Msg::Error, "DisplayDriverServer::Session::handleReadOpenParameters", e.what() );
		sendException( e.what() );
		m_socket.close();
		return;
	}

	try
	{
		// send the result back.
		sendResult( DisplayDriverServerHeader::imageOpen, sizeof(scanLineOrder) );
		m_socket.send( boost::asio::buffer( &scanLineOrder, sizeof(scanLineOrder) ) );
		
		sendResult( DisplayDriverServerHeader::imageOpen, sizeof(acceptsRepeatedData) );
		m_socket.send( boost::asio::buffer( &acceptsRepeatedData, sizeof(acceptsRepeatedData) ) );

		// prepare for getting imageData packages
		boost::asio::async_read( m_socket,
			boost::asio::buffer( m_header.buffer(), m_header.headerLength),
			boost::bind(
				&DisplayDriverServer::Session::handleReadHeader, SessionPtr(this),
				boost::asio::placeholders::error
			)
		);
	}
	catch( std::exception &e )
	{
		msg( Msg::Error, "DisplayDriverServer::Session::handleReadOpenParameters", e.what() );
		m_socket.close();
	}

}