TEST_F(CoordinateTransformableDataObject_test, TransformAppliedToVisibleBounds)
{
const auto coordsSpec = ReferencedCoordinateSystemSpecification(
CoordinateSystemType::geographic,
"testSystem",
{}, {}, {}, {});
const auto targetCoordsSpec = ReferencedCoordinateSystemSpecification(
CoordinateSystemType::geographic,
"otherTestSystem",
{}, {}, {}, {});
auto data = genPolyData<TransformedPolyData>();
data->specifyCoordinateSystem(coordsSpec);
auto transform = vtkSmartPointer<vtkTransform>::New();
transform->Translate(3, 4, 5);
data->setTransform(transform);
const auto dataSetBounds = DataBounds(data->dataSet()->GetBounds());
const auto dataBounds = data->bounds();
const auto shiftedBounds = data->bounds().shifted(vtkVector3d(3, 4, 5));
auto rendered = data->createRendered();
rendered->setDefaultCoordinateSystem(targetCoordsSpec);
const auto visibleBounds = rendered->visibleBounds();
ASSERT_EQ(dataSetBounds, dataBounds);
ASSERT_EQ(shiftedBounds, visibleBounds);
}
ImageDataObject::ImageDataObject(const QString & name, vtkImageData & dataSet)
: CoordinateTransformableDataObject(name, &dataSet)
, m_extent{}
{
vtkVector3d spacing;
bool spacingChanged = false;
dataSet.GetSpacing(spacing.GetData());
for (int i = 0; i < 3; ++i)
{
if (spacing[i] < std::numeric_limits<double>::epsilon())
{
spacing[i] = 1;
spacingChanged = true;
}
}
if (spacingChanged)
{
qWarning() << "Fixing invalid image spacing in " << name << "(" +
vector3ToString(vtkVector3d(dataSet.GetSpacing())) + " to " + vector3ToString(spacing) + ")";
dataSet.SetSpacing(spacing.GetData());
}
if (!dataSet.GetPointData()->GetScalars())
{
dataSet.AllocateScalars(VTK_FLOAT, 1);
}
dataSet.GetExtent(m_extent.data());
}
