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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include <vtkImageData.h>
#include <vtkInformation.h>
#include <vtkLogger.h>
#include <vtkNew.h>
#include <vtkOMETIFFReader.h>
#include <vtkPointData.h>
#include <vtkStreamingDemandDrivenPipeline.h>
#include <vtkVector.h>
#include <vtksys/RegularExpression.hxx>
#include <cstdlib>
int TestOMETIFFReader(int argc, char* argv[])
{
std::string data;
vtkVector3i size(0);
vtkVector3d physicalSize(0.0);
int sizeC = 0;
int sizeT = 0;
vtksys::RegularExpression regex("^([^x]+)x([^x]+)x([^x]+)$");
for (int cc = 1; (cc + 1) < argc; cc++)
{
if (strcmp(argv[cc], "--data") == 0)
{
data = argv[++cc];
}
else if (strcmp(argv[cc], "--size") == 0)
{
if (regex.find(argv[++cc]))
{
size[0] = std::atoi(regex.match(1).c_str());
size[1] = std::atoi(regex.match(2).c_str());
size[2] = std::atoi(regex.match(3).c_str());
}
}
else if (strcmp(argv[cc], "--physical-size") == 0)
{
if (regex.find(argv[++cc]))
{
physicalSize[0] = std::atof(regex.match(1).c_str());
physicalSize[1] = std::atof(regex.match(2).c_str());
physicalSize[2] = std::atof(regex.match(3).c_str());
}
}
else if (strcmp(argv[cc], "--size_c") == 0)
{
sizeC = std::atoi(argv[++cc]);
}
else if (strcmp(argv[cc], "--size_t") == 0)
{
sizeT = std::atoi(argv[++cc]);
}
}
vtkNew<vtkOMETIFFReader> reader;
reader->SetFileName(data.c_str());
reader->UpdateInformation();
auto outInfo = reader->GetOutputInformation(0);
if (sizeT >= 1 && outInfo->Has(vtkStreamingDemandDrivenPipeline::TIME_STEPS()) &&
outInfo->Length(vtkStreamingDemandDrivenPipeline::TIME_STEPS()) == sizeT)
{
// verified timesteps.
}
else
{
vtkLogF(ERROR, "Failed to read timesteps; expected (%d), got (%d)", sizeT,
outInfo->Length(vtkStreamingDemandDrivenPipeline::TIME_STEPS()));
}
reader->Update();
auto img = reader->GetOutput();
if (img->GetPointData()->GetNumberOfArrays() != sizeC)
{
vtkLogF(ERROR, "Failed to read channels; expected (%d), got (%d)", sizeC,
img->GetPointData()->GetNumberOfArrays());
}
vtkVector3i dims;
img->GetDimensions(dims.GetData());
if (dims != size)
{
vtkLogF(ERROR, "Failed due to size mismatch; expected (%d, %d, %d), got (%d, %d, %d)", size[0],
size[1], size[2], dims[0], dims[1], dims[2]);
}
vtkVector3d spacing;
img->GetSpacing(spacing.GetData());
if ((spacing - physicalSize).Norm() > 0.00001)
{
vtkLogF(ERROR, "Physical size / spacing mismatch; expected (%f, %f, %f), got (%f, %f, %f)",
physicalSize[0], physicalSize[1], physicalSize[2], spacing[0], spacing[1], spacing[2]);
}
// now read in multiple pieces.
for (int cc = 0; cc < 4; ++cc)
{
reader->Modified();
reader->UpdatePiece(cc, 4, 0);
}
return EXIT_SUCCESS;
}
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