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ThirdParty-6/ParaView-5.0.1/ParaViewCore/ClientServerCore/Rendering/vtkAMROutlineRepresentation.cxx

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/*=========================================================================
Program: ParaView
Module: $RCSfile$
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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 "vtkAMROutlineRepresentation.h"
#include "vtkCompositePolyDataMapper2.h"
#include "vtkAlgorithmOutput.h"
#include "vtkAMRStreamingPriorityQueue.h"
#include "vtkAppendCompositeDataLeaves.h"
#include "vtkCompositeDataPipeline.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkMultiBlockDataSet.h"
#include "vtkNew.h"
#include "vtkObjectFactory.h"
#include "vtkOverlappingAMR.h"
#include "vtkPolyData.h"
#include "vtkProperty.h"
#include "vtkPVGeometryFilter.h"
#include "vtkPVLODActor.h"
#include "vtkPVRenderView.h"
#include "vtkPVStreamingMacros.h"
#include "vtkPVTrivialProducer.h"
#include "vtkRenderer.h"
#include <assert.h>
vtkStandardNewMacro(vtkAMROutlineRepresentation);
//----------------------------------------------------------------------------
vtkAMROutlineRepresentation::vtkAMROutlineRepresentation()
{
this->StreamingCapablePipeline = false;
this->InStreamingUpdate = false;
this->PriorityQueue = vtkSmartPointer<vtkAMRStreamingPriorityQueue>::New();
this->Mapper = vtkSmartPointer<vtkCompositePolyDataMapper2>::New();
this->Actor = vtkSmartPointer<vtkPVLODActor>::New();
this->Actor->SetMapper(this->Mapper.Get());
this->Actor->GetProperty()->SetRepresentationToWireframe();
this->Actor->GetProperty()->SetAmbient(1.0);
this->Actor->GetProperty()->SetDiffuse(0.0);
this->Actor->GetProperty()->SetSpecular(0.0);
this->Actor->SetPickable(0);
}
//----------------------------------------------------------------------------
vtkAMROutlineRepresentation::~vtkAMROutlineRepresentation()
{
}
//----------------------------------------------------------------------------
void vtkAMROutlineRepresentation::SetVisibility(bool val)
{
this->Actor->SetVisibility(val);
this->Superclass::SetVisibility(val);
}
//----------------------------------------------------------------------------
int vtkAMROutlineRepresentation::ProcessViewRequest(
vtkInformationRequestKey* request_type, vtkInformation* inInfo, vtkInformation* outInfo)
{
// always forward to superclass first. Superclass returns 0 if the
// representation is not visible (among other things). In which case there's
// nothing to do.
if (!this->Superclass::ProcessViewRequest(request_type, inInfo, outInfo))
{
return 0;
}
if (request_type == vtkPVView::REQUEST_UPDATE())
{
// Standard representation stuff, first.
// 1. Provide the data being rendered.
vtkPVRenderView::SetPiece(inInfo, this, this->ProcessedData);
// 2. Provide the bounds.
double bounds[6];
this->DataBounds.GetBounds(bounds);
vtkPVRenderView::SetGeometryBounds(inInfo, bounds);
// The only thing extra we need to do here is that we need to let the view
// know that this representation is streaming capable (or not).
vtkPVRenderView::SetStreamable(inInfo, this, this->GetStreamingCapablePipeline());
}
else if (request_type == vtkPVView::REQUEST_RENDER())
{
if (this->RenderedData == NULL)
{
vtkStreamingStatusMacro(<< this << ": cloning delivered data.");
vtkAlgorithmOutput* producerPort = vtkPVRenderView::GetPieceProducer(inInfo, this);
vtkAlgorithm* producer = producerPort->GetProducer();
this->RenderedData =
producer->GetOutputDataObject(producerPort->GetIndex());
this->Mapper->SetInputDataObject(this->RenderedData);
}
}
else if (request_type == vtkPVRenderView::REQUEST_STREAMING_UPDATE())
{
if (this->GetStreamingCapablePipeline())
{
// This is a streaming update request, request next piece.
double view_planes[24];
inInfo->Get(vtkPVRenderView::VIEW_PLANES(), view_planes);
if (this->StreamingUpdate(view_planes))
{
// since we indeed "had" a next piece to produce, give it to the view
// so it can deliver it to the rendering nodes.
vtkPVRenderView::SetNextStreamedPiece(
inInfo, this, this->ProcessedPiece);
}
}
}
else if (request_type == vtkPVRenderView::REQUEST_PROCESS_STREAMED_PIECE())
{
vtkDataObject* piece = vtkPVRenderView::GetCurrentStreamedPiece(inInfo, this);
if (piece)
{
assert (this->RenderedData != NULL);
vtkStreamingStatusMacro( << this << ": received new piece.");
// merge with what we are already rendering.
vtkNew<vtkAppendCompositeDataLeaves> appender;
appender->AddInputDataObject(piece);
appender->AddInputDataObject(this->RenderedData);
appender->Update();
this->RenderedData = appender->GetOutputDataObject(0);
this->Mapper->SetInputDataObject(this->RenderedData);
}
}
return 1;
}
//----------------------------------------------------------------------------
int vtkAMROutlineRepresentation::RequestInformation(vtkInformation *rqst,
vtkInformationVector **inputVector,
vtkInformationVector *outputVector)
{
// Determine if the input is streaming capable. A pipeline is streaming
// capable if it provides us with COMPOSITE_DATA_META_DATA() in the
// RequestInformation() pass. It implies that we can request arbitrary blocks
// from the input pipeline which implies stream-ability.
this->StreamingCapablePipeline = false;
if (inputVector[0]->GetNumberOfInformationObjects() == 1)
{
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
if (inInfo->Has(vtkCompositeDataPipeline::COMPOSITE_DATA_META_DATA()) &&
vtkPVView::GetEnableStreaming())
{
this->StreamingCapablePipeline = true;
}
}
vtkStreamingStatusMacro(
<< this << ": streaming capable input pipeline? "
<< (this->StreamingCapablePipeline? "yes" : "no"));
return this->Superclass::RequestInformation(rqst, inputVector, outputVector);
}
//----------------------------------------------------------------------------
int vtkAMROutlineRepresentation::RequestUpdateExtent(
vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector)
{
if (!this->Superclass::RequestUpdateExtent(request, inputVector,
outputVector))
{
return 0;
}
for (int cc=0; cc < this->GetNumberOfInputPorts(); cc++)
{
for (int kk=0; kk < inputVector[cc]->GetNumberOfInformationObjects(); kk++)
{
vtkInformation* info = inputVector[cc]->GetInformationObject(kk);
if (this->InStreamingUpdate)
{
assert(this->PriorityQueue->IsEmpty() == false);
int cid = static_cast<int>(this->PriorityQueue->Pop());
vtkStreamingStatusMacro(<< this << ": requesting blocks: " << cid);
// Request the next "group of blocks" to stream.
info->Set(vtkCompositeDataPipeline::LOAD_REQUESTED_BLOCKS(), 1);
info->Set(vtkCompositeDataPipeline::UPDATE_COMPOSITE_INDICES(), &cid, 1);
}
else
{
// let the source deliver whatever is the default. What the reader does
// when the downstream doesn't request any particular blocks in poorly
// defined right now. I am assuming the reader will only read the root
// block or down to some user-specified level.
info->Remove(vtkCompositeDataPipeline::LOAD_REQUESTED_BLOCKS());
info->Remove(vtkCompositeDataPipeline::UPDATE_COMPOSITE_INDICES());
}
}
}
return 1;
}
//----------------------------------------------------------------------------
int vtkAMROutlineRepresentation::RequestData(vtkInformation *rqst,
vtkInformationVector **inputVector, vtkInformationVector *outputVector)
{
if (inputVector[0]->GetNumberOfInformationObjects() == 1)
{
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
if (inInfo->Has(vtkCompositeDataPipeline::COMPOSITE_DATA_META_DATA()) &&
this->GetStreamingCapablePipeline() &&
!this->GetInStreamingUpdate())
{
// Since the representation reexecuted, it means that the input changed
// and we should initialize our streaming.
vtkOverlappingAMR* amr = vtkOverlappingAMR::SafeDownCast(
inInfo->Get(vtkCompositeDataPipeline::COMPOSITE_DATA_META_DATA()));
this->PriorityQueue->Initialize(amr->GetAMRInfo());
}
}
this->ProcessedPiece = 0;
if (inputVector[0]->GetNumberOfInformationObjects() == 1)
{
// Do the streaming independent "transformation" of the data here, in our
// case, generate the outline from the input data.
// To keep things simple here, we don't bother about the "flip-book" caching
// support used for animation playback.
vtkNew<vtkPVGeometryFilter> geomFilter;
geomFilter->SetUseOutline(1);
geomFilter->SetHideInternalAMRFaces(false);
// since we want to show the real data boundaries, we force the filter to
// not use the meta-data.
geomFilter->SetUseNonOverlappingAMRMetaDataForOutlines(false);
vtkOverlappingAMR* input = vtkOverlappingAMR::GetData(inputVector[0], 0);
geomFilter->SetInputData(input);
geomFilter->Update();
if (!this->GetInStreamingUpdate())
{
this->ProcessedData = geomFilter->GetOutputDataObject(0);
double bounds[6];
input->GetBounds(bounds);
this->DataBounds.SetBounds(bounds);
}
else
{
this->ProcessedPiece = geomFilter->GetOutputDataObject(0);
}
}
else
{
// create an empty dataset. This is needed so that view knows what dataset
// to expect from the other processes on this node.
this->ProcessedData = vtkSmartPointer<vtkMultiBlockDataSet>::New();
this->DataBounds.Reset();
}
if (!this->GetInStreamingUpdate())
{
this->RenderedData = 0;
// provide the mapper with an empty input. This is needed only because
// mappers die when input is NULL, currently.
vtkNew<vtkMultiBlockDataSet> tmp;
this->Mapper->SetInputDataObject(tmp.GetPointer());
}
return this->Superclass::RequestData(rqst, inputVector, outputVector);
}
//----------------------------------------------------------------------------
bool vtkAMROutlineRepresentation::StreamingUpdate(const double view_planes[24])
{
assert(this->InStreamingUpdate == false);
if (!this->PriorityQueue->IsEmpty())
{
this->InStreamingUpdate = true;
vtkStreamingStatusMacro(<< this << ": doing streaming-update.")
// update the priority queue, if needed.
this->PriorityQueue->Update(view_planes);
// This ensure that the representation re-executes.
this->MarkModified();
// Execute the pipeline.
this->Update();
this->InStreamingUpdate = false;
return true;
}
return false;
}
//----------------------------------------------------------------------------
int vtkAMROutlineRepresentation::FillInputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkOverlappingAMR");
// Saying INPUT_IS_OPTIONAL() is essential, since representations don't have
// any inputs on client-side (in client-server, client-render-server mode) and
// render-server-side (in client-render-server mode).
info->Set(vtkAlgorithm::INPUT_IS_OPTIONAL(), 1);
return 1;
}
//----------------------------------------------------------------------------
bool vtkAMROutlineRepresentation::AddToView(vtkView* view)
{
vtkPVRenderView* rview = vtkPVRenderView::SafeDownCast(view);
if (rview)
{
rview->GetRenderer()->AddActor(this->Actor);
return this->Superclass::AddToView(view);
}
return false;
}
//----------------------------------------------------------------------------
bool vtkAMROutlineRepresentation::RemoveFromView(vtkView* view)
{
vtkPVRenderView* rview = vtkPVRenderView::SafeDownCast(view);
if (rview)
{
rview->GetRenderer()->RemoveActor(this->Actor);
return this->Superclass::RemoveFromView(view);
}
return false;
}
//----------------------------------------------------------------------------
void vtkAMROutlineRepresentation::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "StreamingCapablePipeline: " << this->StreamingCapablePipeline
<< endl;
}