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vtkCompositeDataPipeline.cxx
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vtkCompositeDataPipeline.cxx
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkCompositeDataPipeline.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkCompositeDataPipeline.h"
#include "vtkAlgorithm.h"
#include "vtkAlgorithmOutput.h"
#include "vtkCompositeDataIterator.h"
#include "vtkDataObjectTreeIterator.h"
#include "vtkFieldData.h"
#include "vtkImageData.h"
#include "vtkInformation.h"
#include "vtkInformationDoubleKey.h"
#include "vtkInformationExecutivePortKey.h"
#include "vtkInformationExecutivePortVectorKey.h"
#include "vtkInformationIdTypeKey.h"
#include "vtkInformationIntegerKey.h"
#include "vtkInformationIntegerVectorKey.h"
#include "vtkInformationKey.h"
#include "vtkInformationObjectBaseKey.h"
#include "vtkInformationStringKey.h"
#include "vtkInformationVector.h"
#include "vtkMultiBlockDataSet.h"
#include "vtkObjectFactory.h"
#include "vtkPartitionedDataSetCollection.h"
#include "vtkPolyData.h"
#include "vtkRectilinearGrid.h"
#include "vtkSmartPointer.h"
#include "vtkStructuredGrid.h"
#include "vtkTrivialProducer.h"
#include "vtkUniformGrid.h"
vtkStandardNewMacro(vtkCompositeDataPipeline);
vtkInformationKeyMacro(vtkCompositeDataPipeline, LOAD_REQUESTED_BLOCKS, Integer);
vtkInformationKeyMacro(vtkCompositeDataPipeline, COMPOSITE_DATA_META_DATA, ObjectBase);
vtkInformationKeyMacro(vtkCompositeDataPipeline, UPDATE_COMPOSITE_INDICES, IntegerVector);
vtkInformationKeyMacro(vtkCompositeDataPipeline, DATA_COMPOSITE_INDICES, IntegerVector);
vtkInformationKeyMacro(vtkCompositeDataPipeline, SUPPRESS_RESET_PI, Integer);
vtkInformationKeyMacro(vtkCompositeDataPipeline, BLOCK_AMOUNT_OF_DETAIL, Double);
//------------------------------------------------------------------------------
vtkCompositeDataPipeline::vtkCompositeDataPipeline()
{
this->InLocalLoop = 0;
this->InformationCache = vtkInformation::New();
this->GenericRequest = vtkInformation::New();
if (!this->DataObjectRequest)
{
this->DataObjectRequest = vtkInformation::New();
}
this->DataObjectRequest->Set(vtkDemandDrivenPipeline::REQUEST_DATA_OBJECT());
// The request is forwarded upstream through the pipeline.
this->DataObjectRequest->Set(vtkExecutive::FORWARD_DIRECTION(), vtkExecutive::RequestUpstream);
// Algorithms process this request after it is forwarded.
this->DataObjectRequest->Set(vtkExecutive::ALGORITHM_AFTER_FORWARD(), 1);
this->InformationRequest = vtkInformation::New();
this->InformationRequest->Set(vtkDemandDrivenPipeline::REQUEST_INFORMATION());
// The request is forwarded upstream through the pipeline.
this->InformationRequest->Set(vtkExecutive::FORWARD_DIRECTION(), vtkExecutive::RequestUpstream);
// Algorithms process this request after it is forwarded.
this->InformationRequest->Set(vtkExecutive::ALGORITHM_AFTER_FORWARD(), 1);
if (!this->DataRequest)
{
this->DataRequest = vtkInformation::New();
}
this->DataRequest->Set(REQUEST_DATA());
// The request is forwarded upstream through the pipeline.
this->DataRequest->Set(vtkExecutive::FORWARD_DIRECTION(), vtkExecutive::RequestUpstream);
// Algorithms process this request after it is forwarded.
this->DataRequest->Set(vtkExecutive::ALGORITHM_AFTER_FORWARD(), 1);
}
//------------------------------------------------------------------------------
vtkCompositeDataPipeline::~vtkCompositeDataPipeline()
{
this->InformationCache->Delete();
this->GenericRequest->Delete();
this->InformationRequest->Delete();
}
//------------------------------------------------------------------------------
int vtkCompositeDataPipeline::ExecuteDataObject(
vtkInformation* request, vtkInformationVector** inInfoVec, vtkInformationVector* outInfoVec)
{
vtkDebugMacro(<< "ExecuteDataObject");
int result = 1;
// If the input is composite, allow algorithm to handle
// REQUEST_DATA_OBJECT only if it can handle composite
// datasets. Otherwise, the algorithm will get a chance to handle
// REQUEST_DATA_OBJECT when it is being iterated over.
int compositePort;
bool shouldIterate = this->ShouldIterateOverInput(inInfoVec, compositePort);
if (!shouldIterate)
{
// Invoke the request on the algorithm.
result = this->CallAlgorithm(request, vtkExecutive::RequestDownstream, inInfoVec, outInfoVec);
if (!result)
{
return result;
}
}
// Make sure a valid data object exists for all output ports.
vtkDebugMacro(<< "ExecuteDataObject calling CheckCompositeData");
result = this->CheckCompositeData(request, inInfoVec, outInfoVec);
return result;
}
//------------------------------------------------------------------------------
void vtkCompositeDataPipeline::ExecuteDataStart(
vtkInformation* request, vtkInformationVector** inInfoVec, vtkInformationVector* outInfoVec)
{
this->Superclass::ExecuteDataStart(request, inInfoVec, outInfoVec);
}
//------------------------------------------------------------------------------
// Handle REQUEST_DATA
int vtkCompositeDataPipeline::ExecuteData(
vtkInformation* request, vtkInformationVector** inInfoVec, vtkInformationVector* outInfoVec)
{
vtkDebugMacro(<< "ExecuteData");
int result = 1;
int compositePort;
bool composite = this->ShouldIterateOverInput(inInfoVec, compositePort);
if (composite)
{
if (this->GetNumberOfOutputPorts())
{
this->ExecuteSimpleAlgorithm(request, inInfoVec, outInfoVec, compositePort);
}
else
{
vtkErrorMacro("Can not execute simple algorithm " << this->Algorithm->GetClassName()
<< " without output ports");
return 0;
}
}
else
{
vtkDebugMacro(<< " Superclass::ExecuteData");
result = this->Superclass::ExecuteData(request, inInfoVec, outInfoVec);
}
return result;
}
//------------------------------------------------------------------------------
int vtkCompositeDataPipeline::InputTypeIsValid(
int port, int index, vtkInformationVector** inInfoVec)
{
if (this->InLocalLoop)
{
return this->Superclass::InputTypeIsValid(port, index, inInfoVec);
}
if (!inInfoVec[port])
{
return 0;
}
// If we will be iterating over the input on this port, assume that we
// can handle any input type. The input type will be checked again during
// each step of the iteration.
int compositePort;
if (this->ShouldIterateOverInput(inInfoVec, compositePort))
{
if (compositePort == port)
{
return 1;
}
}
// Otherwise, let superclass handle it.
return this->Superclass::InputTypeIsValid(port, index, inInfoVec);
}
//------------------------------------------------------------------------------
bool vtkCompositeDataPipeline::ShouldIterateOverInput(
vtkInformationVector** inInfoVec, int& compositePort)
{
compositePort = -1;
// Find the first input that has a composite data that does not match
// the required input type. We assume that that port input has to
// be iterated over. We also require that this port has only one
// connection.
int numInputPorts = this->Algorithm->GetNumberOfInputPorts();
for (int i = 0; i < numInputPorts; ++i)
{
int numInConnections = this->Algorithm->GetNumberOfInputConnections(i);
// If there is 1 connection
if (numInConnections == 1)
{
vtkInformation* inPortInfo = this->Algorithm->GetInputPortInformation(i);
if (inPortInfo->Has(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE()) &&
inPortInfo->Length(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE()) > 0)
{
const char* inputType = inPortInfo->Get(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), 0);
// the filter upstream will iterate
if (strcmp(inputType, "vtkCompositeDataSet") == 0 ||
strcmp(inputType, "vtkDataObjectTree") == 0 ||
strcmp(inputType, "vtkHierarchicalBoxDataSet") == 0 ||
strcmp(inputType, "vtkOverlappingAMR") == 0 ||
strcmp(inputType, "vtkNonOverlappingAMR") == 0 ||
strcmp(inputType, "vtkMultiBlockDataSet") == 0 ||
strcmp(inputType, "vtkPartitionedDataSetCollection") == 0)
{
vtkDebugMacro(<< "ShouldIterateOverInput return 0 (Composite)");
return false;
}
vtkInformation* inInfo = inInfoVec[i]->GetInformationObject(0);
vtkDataObject* input = inInfo->Get(vtkDataObject::DATA_OBJECT());
// If input does not match a required input type
bool foundMatch = false;
if (input)
{
int size = inPortInfo->Length(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE());
for (int j = 0; j < size; ++j)
{
if (input->IsA(inPortInfo->Get(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), j)))
{
foundMatch = true;
}
}
}
if (input && !foundMatch)
{
// If input is composite
if (vtkCompositeDataSet::SafeDownCast(input))
{
// Assume that we have to iterate over input
compositePort = i;
vtkDebugMacro(<< "ShouldIterateOverInput returns 1 (input composite)");
return true;
}
}
}
}
}
vtkDebugMacro(<< "ShouldIterateOverInput returns 0 (default)");
return false;
}
//------------------------------------------------------------------------------
void vtkCompositeDataPipeline::ExecuteEach(vtkCompositeDataIterator* iter,
vtkInformationVector** inInfoVec, vtkInformationVector* outInfoVec, int compositePort,
int connection, vtkInformation* request,
std::vector<vtkSmartPointer<vtkCompositeDataSet>>& compositeOutputs)
{
vtkInformation* inInfo = inInfoVec[compositePort]->GetInformationObject(connection);
vtkIdType num_blocks = 0;
// a quick iteration to get the total number of blocks to iterate over which
// is necessary to scale progress events.
for (iter->InitTraversal(); !iter->IsDoneWithTraversal(); iter->GoToNextItem())
{
++num_blocks;
}
const double progress_scale = 1.0 / num_blocks;
vtkIdType block_index = 0;
auto algo = this->GetAlgorithm();
for (iter->InitTraversal(); !iter->IsDoneWithTraversal(); iter->GoToNextItem(), ++block_index)
{
vtkDataObject* dobj = iter->GetCurrentDataObject();
if (dobj)
{
algo->SetProgressShiftScale(progress_scale * block_index, progress_scale);
// Note that since VisitOnlyLeaves is ON on the iterator,
// this method is called only for leaves, hence, we are assured that
// neither dobj nor outObj are vtkCompositeDataSet subclasses.
std::vector<vtkDataObject*> outObjs =
this->ExecuteSimpleAlgorithmForBlock(inInfoVec, outInfoVec, inInfo, request, dobj);
if (!outObjs.empty())
{
for (unsigned port = 0; port < compositeOutputs.size(); ++port)
{
if (vtkDataObject* outObj = outObjs[port])
{
if (compositeOutputs[port])
{
compositeOutputs[port]->SetDataSet(iter, outObj);
}
outObj->FastDelete();
}
}
}
}
}
algo->SetProgressShiftScale(0.0, 1.0);
}
//------------------------------------------------------------------------------
// Execute a simple (non-composite-aware) filter multiple times, once per
// block. Collect the result in a composite dataset that is of the same
// structure as the input.
void vtkCompositeDataPipeline::ExecuteSimpleAlgorithm(vtkInformation* request,
vtkInformationVector** inInfoVec, vtkInformationVector* outInfoVec, int compositePort)
{
vtkDebugMacro(<< "ExecuteSimpleAlgorithm");
this->ExecuteDataStart(request, inInfoVec, outInfoVec);
vtkInformation* outInfo = nullptr;
if (this->GetNumberOfOutputPorts() > 0)
{
outInfo = outInfoVec->GetInformationObject(0);
}
if (!outInfo)
{
return;
}
// Make sure a valid composite data object exists for all output ports.
this->CheckCompositeData(request, inInfoVec, outInfoVec);
// if we have no composite inputs
if (compositePort == -1)
{
return;
}
// Loop using the first input on the first port.
// This might not be valid for all cases but it is a decent
// assumption to start with.
// TODO: Loop over all inputs
vtkInformation* inInfo = this->GetInputInformation(compositePort, 0);
vtkCompositeDataSet* input =
vtkCompositeDataSet::SafeDownCast(inInfo->Get(vtkDataObject::DATA_OBJECT()));
bool compositeOutputFound = false;
std::vector<vtkSmartPointer<vtkCompositeDataSet>> compositeOutputs;
for (int port = 0; port < outInfoVec->GetNumberOfInformationObjects(); ++port)
{
compositeOutputs.emplace_back(vtkCompositeDataSet::GetData(outInfoVec, port));
if (compositeOutputs.back())
{
compositeOutputFound = true;
}
}
if (input && compositeOutputFound)
{
for (int port = 0; port < outInfoVec->GetNumberOfInformationObjects(); ++port)
{
if (compositeOutputs[port])
{
compositeOutputs[port]->PrepareForNewData();
compositeOutputs[port]->CopyStructure(input);
if (input && input->GetFieldData())
{
compositeOutputs[port]->GetFieldData()->PassData(input->GetFieldData());
}
}
}
vtkSmartPointer<vtkInformation> r = vtkSmartPointer<vtkInformation>::New();
r->Set(FROM_OUTPUT_PORT(), PRODUCER()->GetPort(outInfo));
// The request is forwarded upstream through the pipeline.
r->Set(vtkExecutive::FORWARD_DIRECTION(), vtkExecutive::RequestUpstream);
// Algorithms process this request after it is forwarded.
r->Set(vtkExecutive::ALGORITHM_AFTER_FORWARD(), 1);
// Store the information (whole_extent)
// before looping. Otherwise, executeinformation will cause
// changes (because we pretend that the max. number of pieces is
// one to process the whole block)
this->PushInformation(inInfo);
vtkDebugMacro(<< "EXECUTING " << this->Algorithm->GetClassName());
// True when the pipeline is iterating over the current (simple)
// filter to produce composite output. In this case,
// ExecuteDataStart() should NOT Initialize() the composite output.
this->InLocalLoop = 1;
vtkSmartPointer<vtkCompositeDataIterator> iter;
iter.TakeReference(input->NewIterator());
if (vtkPartitionedDataSetCollection::SafeDownCast(input))
{
bool iteratePartitions = false;
vtkInformation* inPortInfo = this->Algorithm->GetInputPortInformation(compositePort);
if (inPortInfo->Has(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE()) &&
inPortInfo->Length(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE()) > 0)
{
int size = inPortInfo->Length(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE());
for (int j = 0; j < size; ++j)
{
const char* inputType = inPortInfo->Get(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), j);
if (strcmp(inputType, "vtkPartitionedDataSet") == 0)
{
iteratePartitions = true;
}
}
if (iteratePartitions)
{
vtkDataObjectTreeIterator::SafeDownCast(iter)->TraverseSubTreeOff();
vtkDataObjectTreeIterator::SafeDownCast(iter)->VisitOnlyLeavesOff();
}
}
}
this->ExecuteEach(iter, inInfoVec, outInfoVec, compositePort, 0, r, compositeOutputs);
// True when the pipeline is iterating over the current (simple)
// filter to produce composite output. In this case,
// ExecuteDataStart() should NOT Initialize() the composite output.
this->InLocalLoop = 0;
// Restore the extent information and force it to be
// copied to the output.
this->PopInformation(inInfo);
r->Set(REQUEST_INFORMATION());
this->CopyDefaultInformation(r, vtkExecutive::RequestDownstream, this->GetInputInformation(),
this->GetOutputInformation());
vtkDataObject* curInput = inInfo->Get(vtkDataObject::DATA_OBJECT());
if (curInput != input)
{
inInfo->Remove(vtkDataObject::DATA_OBJECT());
inInfo->Set(vtkDataObject::DATA_OBJECT(), input);
}
for (int port = 0; port < outInfoVec->GetNumberOfInformationObjects(); ++port)
{
vtkDataObject* curOutput = vtkDataObject::GetData(outInfoVec, port);
if (curOutput != compositeOutputs[port].GetPointer())
{
outInfoVec->GetInformationObject(port)->Set(
vtkDataObject::DATA_OBJECT(), compositeOutputs[port]);
}
}
}
this->ExecuteDataEnd(request, inInfoVec, outInfoVec);
}
//------------------------------------------------------------------------------
std::vector<vtkDataObject*> vtkCompositeDataPipeline::ExecuteSimpleAlgorithmForBlock(
vtkInformationVector** inInfoVec, vtkInformationVector* outInfoVec, vtkInformation* inInfo,
vtkInformation* request, vtkDataObject* dobj)
{
vtkDebugMacro(<< "ExecuteSimpleAlgorithmForBlock");
std::vector<vtkDataObject*> outputs;
// if (dobj && dobj->IsA("vtkCompositeDataSet"))
// {
// vtkErrorMacro("ExecuteSimpleAlgorithmForBlock cannot be called "
// "for a vtkCompositeDataSet");
// return outputs; // return empty vector as error
// }
// There must be a bug somewhere. If this Remove()
// is not called, the following Set() has the effect
// of removing (!) the key.
if (inInfo)
{
inInfo->Remove(vtkDataObject::DATA_OBJECT());
inInfo->Set(vtkDataObject::DATA_OBJECT(), dobj);
vtkTrivialProducer::FillOutputDataInformation(dobj, inInfo);
}
request->Set(REQUEST_DATA_OBJECT());
for (int i = 0; i < outInfoVec->GetNumberOfInformationObjects(); ++i)
{
outInfoVec->GetInformationObject(i)->Set(SUPPRESS_RESET_PI(), 1);
}
this->Superclass::ExecuteDataObject(request, inInfoVec, outInfoVec);
for (int i = 0; i < outInfoVec->GetNumberOfInformationObjects(); ++i)
{
outInfoVec->GetInformationObject(i)->Remove(SUPPRESS_RESET_PI());
}
request->Remove(REQUEST_DATA_OBJECT());
request->Set(REQUEST_INFORMATION());
this->Superclass::ExecuteInformation(request, inInfoVec, outInfoVec);
request->Remove(REQUEST_INFORMATION());
int storedPiece = -1;
int storedNumPieces = -1;
for (int m = 0; m < this->Algorithm->GetNumberOfOutputPorts(); ++m)
{
vtkInformation* info = outInfoVec->GetInformationObject(m);
// Update the whole thing
if (info->Has(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT()))
{
int extent[6] = { 0, -1, 0, -1, 0, -1 };
info->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT(), extent);
info->Set(vtkStreamingDemandDrivenPipeline::UPDATE_EXTENT(), extent, 6);
storedPiece = info->Get(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER());
storedNumPieces = info->Get(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_PIECES());
info->Set(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_PIECES(), 1);
vtkDebugMacro(<< "UPDATE_PIECE_NUMBER() 0"
<< " " << info);
info->Set(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER(), 0);
}
}
request->Set(REQUEST_UPDATE_EXTENT());
this->CallAlgorithm(request, vtkExecutive::RequestUpstream, inInfoVec, outInfoVec);
request->Remove(REQUEST_UPDATE_EXTENT());
request->Set(REQUEST_DATA());
this->Superclass::ExecuteData(request, inInfoVec, outInfoVec);
request->Remove(REQUEST_DATA());
for (int m = 0; m < this->Algorithm->GetNumberOfOutputPorts(); ++m)
{
vtkInformation* info = outInfoVec->GetInformationObject(m);
if (storedPiece != -1)
{
info->Set(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_PIECES(), storedNumPieces);
vtkDebugMacro(<< "UPDATE_PIECE_NUMBER() 0"
<< " " << info);
info->Set(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER(), storedPiece);
}
}
outputs.resize(outInfoVec->GetNumberOfInformationObjects());
for (unsigned i = 0; i < outputs.size(); ++i)
{
vtkDataObject* output = vtkDataObject::GetData(outInfoVec, i);
if (output)
{
vtkDataObject* outputCopy = output->NewInstance();
outputCopy->ShallowCopy(output);
outputs[i] = outputCopy;
}
}
return outputs;
}
//------------------------------------------------------------------------------
int vtkCompositeDataPipeline::NeedToExecuteData(
int outputPort, vtkInformationVector** inInfoVec, vtkInformationVector* outInfoVec)
{
// Has the algorithm asked to be executed again?
if (this->ContinueExecuting)
{
return 1;
}
// If no port is specified, check all ports. This behavior is
// implemented by the superclass.
if (outputPort < 0)
{
return this->Superclass::NeedToExecuteData(outputPort, inInfoVec, outInfoVec);
}
// We need to check the requested update extent. Get the output
// port information and data information. We do not need to check
// existence of values because it has already been verified by
// VerifyOutputInformation.
vtkInformation* outInfo = outInfoVec->GetInformationObject(outputPort);
vtkDataObject* dataObject = outInfo->Get(vtkDataObject::DATA_OBJECT());
// If the output is not a composite dataset, let the superclass handle
// NeedToExecuteData
if (!vtkCompositeDataSet::SafeDownCast(dataObject))
{
return this->Superclass::NeedToExecuteData(outputPort, inInfoVec, outInfoVec);
}
// First do the basic checks.
if (this->Superclass::NeedToExecuteData(outputPort, inInfoVec, outInfoVec))
{
return 1;
}
// Now handle composite stuff.
vtkInformation* dataInfo = dataObject->GetInformation();
// Check the unstructured extent. If we do not have the requested
// piece, we need to execute.
int updateNumberOfPieces = outInfo->Get(UPDATE_NUMBER_OF_PIECES());
int dataNumberOfPieces = dataInfo->Get(vtkDataObject::DATA_NUMBER_OF_PIECES());
if (dataNumberOfPieces != updateNumberOfPieces)
{
return 1;
}
int dataGhostLevel = dataInfo->Get(vtkDataObject::DATA_NUMBER_OF_GHOST_LEVELS());
int updateGhostLevel = outInfo->Get(UPDATE_NUMBER_OF_GHOST_LEVELS());
if (updateNumberOfPieces > 1 && dataGhostLevel < updateGhostLevel)
{
return 1;
}
if (dataNumberOfPieces != 1)
{
int dataPiece = dataInfo->Get(vtkDataObject::DATA_PIECE_NUMBER());
int updatePiece = outInfo->Get(UPDATE_PIECE_NUMBER());
if (dataPiece != updatePiece)
{
return 1;
}
}
if (this->NeedToExecuteBasedOnTime(outInfo, dataObject))
{
return 1;
}
if (this->NeedToExecuteBasedOnCompositeIndices(outInfo))
{
return 1;
}
// We do not need to execute.
return 0;
}
//------------------------------------------------------------------------------
int vtkCompositeDataPipeline::NeedToExecuteBasedOnCompositeIndices(vtkInformation* outInfo)
{
if (outInfo->Has(UPDATE_COMPOSITE_INDICES()))
{
if (!outInfo->Has(DATA_COMPOSITE_INDICES()))
{
return 1;
}
unsigned int* requested_ids =
reinterpret_cast<unsigned int*>(outInfo->Get(UPDATE_COMPOSITE_INDICES()));
unsigned int* existing_ids =
reinterpret_cast<unsigned int*>(outInfo->Get(DATA_COMPOSITE_INDICES()));
int length_req = outInfo->Length(UPDATE_COMPOSITE_INDICES());
int length_ex = outInfo->Length(DATA_COMPOSITE_INDICES());
if (length_req > length_ex)
{
// we are requesting more blocks than those generated.
return 1;
}
int ri = 0, ei = 0;
// NOTE: We are relying on the fact that both these id lists are sorted to
// do a more efficient comparison.
for (; ri < length_req; ri++)
{
while (ei < length_ex && existing_ids[ei] < requested_ids[ri])
{
ei++;
}
if (ei >= length_ex)
{
// we ran beyond the existing length.
return 1;
}
if (existing_ids[ei] != requested_ids[ri])
{
return 1;
}
}
}
else
{
if (outInfo->Has(DATA_COMPOSITE_INDICES()))
{
// earlier request asked for a some blocks, but the new request is asking
// for everything, so re-execute.
return 1;
}
}
return 0;
}
//------------------------------------------------------------------------------
int vtkCompositeDataPipeline::ForwardUpstream(vtkInformation* request)
{
vtkDebugMacro(<< "ForwardUpstream");
// Do not forward upstream if the input is shared with another
// executive.
if (this->SharedInputInformation)
{
return 1;
}
if (!this->Algorithm->ModifyRequest(request, BeforeForward))
{
return 0;
}
int port = request->Get(FROM_OUTPUT_PORT());
// Forward the request upstream through all input connections.
int result = 1;
for (int i = 0; i < this->GetNumberOfInputPorts(); ++i)
{
int nic = this->Algorithm->GetNumberOfInputConnections(i);
vtkInformationVector* inVector = this->GetInputInformation()[i];
for (int j = 0; j < nic; ++j)
{
vtkInformation* info = inVector->GetInformationObject(j);
// Get the executive producing this input. If there is none, then
// it is a nullptr input.
vtkExecutive* e;
int producerPort;
vtkExecutive::PRODUCER()->Get(info, e, producerPort);
if (e)
{
request->Set(FROM_OUTPUT_PORT(), producerPort);
if (!e->ProcessRequest(request, e->GetInputInformation(), e->GetOutputInformation()))
{
result = 0;
}
request->Set(FROM_OUTPUT_PORT(), port);
}
}
}
if (!this->Algorithm->ModifyRequest(request, AfterForward))
{
return 0;
}
return result;
}
//------------------------------------------------------------------------------
int vtkCompositeDataPipeline::ForwardUpstream(int i, int j, vtkInformation* request)
{
// Do not forward upstream if input information is shared.
if (this->SharedInputInformation)
{
return 1;
}
if (!this->Algorithm->ModifyRequest(request, BeforeForward))
{
return 0;
}
int result = 1;
if (vtkExecutive* e = this->GetInputExecutive(i, j))
{
vtkAlgorithmOutput* input = this->Algorithm->GetInputConnection(i, j);
int port = request->Get(FROM_OUTPUT_PORT());
request->Set(FROM_OUTPUT_PORT(), input->GetIndex());
if (!e->ProcessRequest(request, e->GetInputInformation(), e->GetOutputInformation()))
{
result = 0;
}
request->Set(FROM_OUTPUT_PORT(), port);
}
if (!this->Algorithm->ModifyRequest(request, AfterForward))
{
return 0;
}
return result;
}
//------------------------------------------------------------------------------
void vtkCompositeDataPipeline::CopyDefaultInformation(vtkInformation* request, int direction,
vtkInformationVector** inInfoVec, vtkInformationVector* outInfoVec)
{
this->Superclass::CopyDefaultInformation(request, direction, inInfoVec, outInfoVec);
if (request->Has(REQUEST_INFORMATION()) || request->Has(REQUEST_TIME_DEPENDENT_INFORMATION()))
{
if (this->GetNumberOfInputPorts() > 0)
{
if (vtkInformation* inInfo = inInfoVec[0]->GetInformationObject(0))
{
// Copy information from the first input to all outputs.
for (int i = 0; i < outInfoVec->GetNumberOfInformationObjects(); ++i)
{
vtkInformation* outInfo = outInfoVec->GetInformationObject(i);
outInfo->CopyEntry(inInfo, COMPOSITE_DATA_META_DATA());
}
}
}
}
if (request->Has(REQUEST_UPDATE_EXTENT()))
{
int outputPort = -1;
if (request->Has(FROM_OUTPUT_PORT()))
{
outputPort = request->Get(FROM_OUTPUT_PORT());
}
if (outInfoVec->GetNumberOfInformationObjects() > 0)
{
// Copy information from the output port that made the request.
// Since VerifyOutputInformation has already been called we know
// there is output information with a data object.
vtkInformation* outInfo =
outInfoVec->GetInformationObject((outputPort >= 0) ? outputPort : 0);
// Loop over all input ports.
for (int i = 0; i < this->Algorithm->GetNumberOfInputPorts(); ++i)
{
// Loop over all connections on this input port.
int numInConnections = inInfoVec[i]->GetNumberOfInformationObjects();
for (int j = 0; j < numInConnections; j++)
{
// Get the pipeline information for this input connection.
vtkInformation* inInfo = inInfoVec[i]->GetInformationObject(j);
inInfo->CopyEntry(outInfo, UPDATE_COMPOSITE_INDICES());
inInfo->CopyEntry(outInfo, LOAD_REQUESTED_BLOCKS());
}
}
}
// Find the port that has a data that we will iterator over.
// If there is one, make sure that we use piece extent for
// that port. Composite data pipeline works with piece extents
// only.
int compositePort;
if (this->ShouldIterateOverInput(inInfoVec, compositePort))
{
// Get the output port from which to copy the extent.
outputPort = -1;
if (request->Has(FROM_OUTPUT_PORT()))
{
outputPort = request->Get(FROM_OUTPUT_PORT());
}
// Setup default information for the inputs.
if (outInfoVec->GetNumberOfInformationObjects() > 0)
{
// Copy information from the output port that made the request.
// Since VerifyOutputInformation has already been called we know
// there is output information with a data object.
vtkInformation* outInfo =
outInfoVec->GetInformationObject((outputPort >= 0) ? outputPort : 0);
// Loop over all connections on this input port.
int numInConnections = inInfoVec[compositePort]->GetNumberOfInformationObjects();
for (int j = 0; j < numInConnections; j++)
{
// Get the pipeline information for this input connection.
vtkInformation* inInfo = inInfoVec[compositePort]->GetInformationObject(j);
vtkDebugMacro(<< "CopyEntry UPDATE_PIECE_NUMBER() " << outInfo->Get(UPDATE_PIECE_NUMBER())
<< " " << outInfo);
inInfo->CopyEntry(outInfo, UPDATE_PIECE_NUMBER());
inInfo->CopyEntry(outInfo, UPDATE_NUMBER_OF_PIECES());
inInfo->CopyEntry(outInfo, UPDATE_NUMBER_OF_GHOST_LEVELS());
inInfo->CopyEntry(outInfo, UPDATE_EXTENT_INITIALIZED());
inInfo->CopyEntry(outInfo, LOAD_REQUESTED_BLOCKS());
}
}
}
}
}
//------------------------------------------------------------------------------
void vtkCompositeDataPipeline::ResetPipelineInformation(int port, vtkInformation* info)
{
if (info->Has(SUPPRESS_RESET_PI()))
{
return;
}
this->Superclass::ResetPipelineInformation(port, info);
info->Remove(COMPOSITE_DATA_META_DATA());
info->Remove(UPDATE_COMPOSITE_INDICES());
info->Remove(LOAD_REQUESTED_BLOCKS());
}
//------------------------------------------------------------------------------
void vtkCompositeDataPipeline::PushInformation(vtkInformation* inInfo)
{
vtkDebugMacro(<< "PushInformation " << inInfo);
this->InformationCache->CopyEntry(inInfo, WHOLE_EXTENT());
}
//------------------------------------------------------------------------------
void vtkCompositeDataPipeline::PopInformation(vtkInformation* inInfo)
{
vtkDebugMacro(<< "PopInformation " << inInfo);
inInfo->CopyEntry(this->InformationCache, WHOLE_EXTENT());
}
//------------------------------------------------------------------------------
int vtkCompositeDataPipeline::CheckCompositeData(
vtkInformation*, vtkInformationVector** inInfoVec, vtkInformationVector* outInfoVec)
{
// If this is a simple filter but has composite input,
// create a composite output.
int compositePort;
if (this->ShouldIterateOverInput(inInfoVec, compositePort))
{
// This checks if each output port's data object is a composite data object.
// If it is not already, then we need to create a composite data object for the outputs
// on that port to be placed into. If the output is already a composite data object, it
// is assumed that the composite data pipeline is being re-run and the data object from
// the last run can be re-used.
bool needsToCreateCompositeOutput = false;
for (int port = 0; port < outInfoVec->GetNumberOfInformationObjects(); ++port)
{
vtkInformation* outInfo = outInfoVec->GetInformationObject(port);
vtkDataObject* doOutput = outInfo->Get(vtkDataObject::DATA_OBJECT());
vtkCompositeDataSet* portOutput = vtkCompositeDataSet::SafeDownCast(doOutput);
if (!portOutput)
{
needsToCreateCompositeOutput = true;
break;
}
}
if (needsToCreateCompositeOutput)
{
// Create the output objects
std::vector<vtkSmartPointer<vtkDataObject>> output = this->CreateOutputCompositeDataSet(
vtkCompositeDataSet::SafeDownCast(this->GetInputData(compositePort, 0, inInfoVec)),
compositePort, outInfoVec->GetNumberOfInformationObjects());
// For each port, assign the created output object back to the output information
for (int port = 0; port < outInfoVec->GetNumberOfInformationObjects(); ++port)
{
vtkInformation* outInfo = outInfoVec->GetInformationObject(port);
vtkDebugMacro(<< "CheckCompositeData created " << output[port]->GetClassName()
<< "output for port " << port);
outInfo->Set(vtkDataObject::DATA_OBJECT(), output[port]);
// Copy extent type to the output port information because
// CreateOutputCompositeDataSet() changes it and some algorithms need it.
this->GetAlgorithm()->GetOutputPortInformation(port)->Set(
vtkDataObject::DATA_EXTENT_TYPE(), output[port]->GetExtentType());
}
}
return 1;
}
// Otherwise, create a simple output
else
{
for (int port = 0; port < outInfoVec->GetNumberOfInformationObjects(); ++port)
{
if (!this->Superclass::CheckDataObject(port, outInfoVec))
{
return 0;
}
}
return 1;
}
}
//------------------------------------------------------------------------------
vtkDataObject* vtkCompositeDataPipeline::GetCompositeInputData(
int port, int index, vtkInformationVector** inInfoVec)
{
if (!inInfoVec[port])
{
return nullptr;
}
vtkInformation* info = inInfoVec[port]->GetInformationObject(index);
if (!info)
{
return nullptr;
}
return info->Get(vtkDataObject::DATA_OBJECT());
}
//------------------------------------------------------------------------------
vtkDataObject* vtkCompositeDataPipeline::GetCompositeOutputData(int port)
{
if (!this->OutputPortIndexInRange(port, "get data for"))
{
return nullptr;
}
// Check that the given output port has a valid data object.
vtkDebugMacro(<< "GetCompositeOutputData calling CheckCompositeData ");
this->CheckCompositeData(nullptr, this->GetInputInformation(), this->GetOutputInformation());
// Return the data object.
if (vtkInformation* info = this->GetOutputInformation(port))
{
return info->Get(vtkDataObject::DATA_OBJECT());