1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkPResampleToImage.h"
#include "vtkActor.h"
#include "vtkAssignAttribute.h"
#include "vtkCamera.h"
#include "vtkCompositeRenderManager.h"
#include "vtkContourFilter.h"
#include "vtkExtentTranslator.h"
#include "vtkImageData.h"
#include "vtkMPIController.h"
#include "vtkMultiBlockDataSet.h"
#include "vtkNew.h"
#include "vtkPointDataToCellData.h"
#include "vtkPolyDataMapper.h"
#include "vtkRTAnalyticSource.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkSmartPointer.h"
// clang-format off
#include "vtk_diy2.h" // must include this before any diy header
#include VTK_DIY2(diy/mpi.hpp)
// clang-format on
int TestPResampleToImageCompositeDataSet(int argc, char* argv[])
{
diy::mpi::environment mpienv(argc, argv);
vtkNew<vtkMPIController> controller;
controller->Initialize(&argc, &argv, true);
diy::mpi::communicator world;
// Setup parallel rendering
vtkNew<vtkCompositeRenderManager> prm;
vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::Take(prm->MakeRenderer());
vtkSmartPointer<vtkRenderWindow> renWin =
vtkSmartPointer<vtkRenderWindow>::Take(prm->MakeRenderWindow());
renWin->AddRenderer(renderer);
renWin->DoubleBufferOn();
renWin->SetMultiSamples(0);
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow(renWin);
prm->SetRenderWindow(renWin);
prm->SetController(controller);
// Create input dataset
const int piecesPerRank = 2;
int numberOfPieces = world.size() * piecesPerRank;
vtkNew<vtkMultiBlockDataSet> input;
input->SetNumberOfBlocks(numberOfPieces);
vtkNew<vtkExtentTranslator> extentTranslator;
extentTranslator->SetWholeExtent(0, 31, 0, 31, 0, 31);
extentTranslator->SetNumberOfPieces(numberOfPieces);
extentTranslator->SetSplitModeToBlock();
vtkNew<vtkRTAnalyticSource> wavelet;
wavelet->SetWholeExtent(0, 31, 0, 31, 0, 31);
wavelet->SetCenter(16, 16, 16);
vtkNew<vtkPointDataToCellData> pointToCell;
pointToCell->SetInputConnection(wavelet->GetOutputPort());
for (int i = 0; i < piecesPerRank; ++i)
{
int piece = (world.rank() * piecesPerRank) + i;
int pieceExtent[6];
extentTranslator->SetPiece(piece);
extentTranslator->PieceToExtent();
extentTranslator->GetExtent(pieceExtent);
pointToCell->UpdateExtent(pieceExtent);
vtkNew<vtkImageData> img;
img->DeepCopy(vtkImageData::SafeDownCast(pointToCell->GetOutput()));
input->SetBlock(piece, img);
}
// create pipeline
vtkNew<vtkPResampleToImage> resample;
resample->SetInputDataObject(input);
resample->SetController(controller);
resample->SetUseInputBounds(true);
resample->SetSamplingDimensions(64, 64, 64);
vtkNew<vtkAssignAttribute> assignAttrib;
assignAttrib->SetInputConnection(resample->GetOutputPort());
assignAttrib->Assign("RTData", vtkDataSetAttributes::SCALARS, vtkAssignAttribute::POINT_DATA);
vtkNew<vtkContourFilter> contour;
contour->SetInputConnection(assignAttrib->GetOutputPort());
contour->SetValue(0, 157);
contour->ComputeNormalsOn();
// Execute pipeline and render
vtkNew<vtkPolyDataMapper> mapper;
mapper->SetInputConnection(contour->GetOutputPort());
mapper->Update();
vtkNew<vtkActor> actor;
actor->SetMapper(mapper);
renderer->AddActor(actor);
int retVal;
if (world.rank() == 0)
{
prm->ResetAllCameras();
renWin->Render();
retVal = vtkRegressionTester::Test(argc, argv, renWin, 10);
if (retVal == vtkRegressionTester::DO_INTERACTOR)
{
prm->StartInteractor();
}
controller->TriggerBreakRMIs();
}
else
{
prm->StartServices();
}
world.barrier();
diy::mpi::broadcast(world, retVal, 0);
controller->Finalize(true);
return !retVal;
}
|
