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
132
133
134
135
136
137
138
139
140
141
142
|
/*=========================================================================
Program: Visualization Toolkit
Module: TestTemporalXdmfReaderWriter.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.
=========================================================================*/
// Description:
// This tests reading of a simple ADIOS2 bp file.
#include "vtkADIOS2CoreImageReader.h"
#include "vtkActor.h"
#include "vtkAlgorithm.h"
#include "vtkCamera.h"
#include "vtkCellData.h"
#include "vtkColorTransferFunction.h"
#include "vtkCompositeRenderManager.h"
#include "vtkDataArray.h"
#include "vtkDataSetMapper.h"
#include "vtkExecutive.h"
#include "vtkImageData.h"
#include "vtkImageDataToPointSet.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkMultiBlockDataSet.h"
#include "vtkMultiBlockVolumeMapper.h"
#include "vtkMultiPieceDataSet.h"
#include "vtkPointData.h"
#include "vtkPolyDataMapper.h"
#include "vtkProperty.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include "vtkUnsignedIntArray.h"
#include "vtkVolume.h"
#include "vtkVolumeProperty.h"
#include "vtkXMLPMultiBlockDataWriter.h"
#include "vtkNew.h"
#include "vtkTestUtilities.h"
#include <sstream> // istringstream
int TestADIOS2BPReaderMultiTimeSteps3D(int argc, char* argv[])
{
vtkNew<vtkADIOS2CoreImageReader> reader;
// Read the input data file
char* filePath =
vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/ADIOS2/3D_7-point_24-step/gs.bp");
if (!reader->CanReadFile(filePath))
{
std::cerr << "Cannot read file " << reader->GetFileName() << std::endl;
return 0;
}
reader->SetFileName(filePath);
delete[] filePath;
reader->UpdateInformation();
auto& availVars = reader->GetAvilableVariables();
assert(availVars.size() == 3);
// Get the dimension
std::string varName = availVars.begin()->first;
// Enable multi time stesp
reader->SetTimeStepArray("step");
reader->SetDimensionArray("U");
reader->SetArrayStatus("step", false);
reader->SetActiveScalar(std::make_pair("U", vtkADIOS2CoreImageReader::VarType::CellData));
reader->Update();
vtkSmartPointer<vtkMultiBlockDataSet> output =
vtkMultiBlockDataSet::SafeDownCast(reader->GetOutput());
assert(output->GetNumberOfBlocks() == 1);
vtkSmartPointer<vtkMultiPieceDataSet> mpds =
vtkMultiPieceDataSet::SafeDownCast(output->GetBlock(0));
assert(mpds->GetNumberOfPieces() == 6);
vtkSmartPointer<vtkImageData> image0 = vtkImageData::SafeDownCast(mpds->GetPiece(0));
vtkSmartPointer<vtkImageData> image1 = vtkImageData::SafeDownCast(mpds->GetPiece(1));
// Use vtkXMLPMultiBlockDataWriter + vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP()
// to write out the data if needed
vtkNew<vtkImageDataToPointSet> imageToPointset;
assert(image0->GetCellData()->GetNumberOfArrays() == 2);
image0->GetCellData()->SetActiveScalars("U");
imageToPointset->SetInputData(image0);
imageToPointset->Update();
// Since I fail to find a proper mapper to render two vtkImageDatas inside
// a vtkMultiPieceDataSet in a vtkMultiBlockDataSet, I render the image directly here
vtkNew<vtkDataSetMapper> mapper;
mapper->SetInputDataObject(imageToPointset->GetOutput());
mapper->ScalarVisibilityOn();
mapper->SetScalarRange(0, 2000);
mapper->SetScalarModeToUseCellData();
mapper->ColorByArrayComponent("U", 0);
vtkNew<vtkActor> actor;
actor->SetMapper(mapper);
actor->GetProperty()->EdgeVisibilityOn();
vtkNew<vtkRenderer> renderer;
renderer->AddActor(actor);
renderer->SetBackground(0.5, 0.5, 0.5);
renderer->GetActiveCamera()->Elevation(300);
renderer->GetActiveCamera()->Yaw(60);
renderer->ResetCamera();
vtkNew<vtkRenderWindow> rendWin;
rendWin->SetSize(600, 300);
rendWin->AddRenderer(renderer);
rendWin->Render();
// Do the test comparison
int retval = vtkRegressionTestImage(rendWin);
if (retval == vtkRegressionTester::DO_INTERACTOR)
{
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow(rendWin);
iren->Initialize();
iren->Start();
retval = vtkRegressionTester::PASSED;
}
return !retval;
}
|
