public void TestSagittalSource()
{
DataSetOrientation orientation = DataSetOrientation.CreateSagittal(false);
// it doesn't really matter what function we use
TestVolume(VolumeFunction.Void, orientation.Initialize, null);
}
public void Test330DegreeYAxialRotationCouchTiltedSource()
{
DataSetOrientation orientation = DataSetOrientation.CreateCouchTiltedAboutY(-30);
// it doesn't really matter what function we use
TestVolume(VolumeFunction.Void, orientation.Initialize, null);
}
public void Test030DegreeXAxialRotationGantryTiltedSource()
{
DataSetOrientation orientation = DataSetOrientation.CreateGantryTiltedAboutX(30);
// it doesn't really matter what function we use
TestVolume(VolumeFunction.Void, orientation.Initialize, null);
}
public void TestNegativeXAxialGantryTiltedSlicings()
{
DataSetOrientation orientation = DataSetOrientation.CreateGantryTiltedAboutX(-15);
TestVolume(VolumeFunction.StarsTilted345X,
orientation.Initialize,
volume =>
{
foreach (IVolumeSlicerParams slicing in _slicings)
{
ValidateVolumeSlicePoints(volume, slicing, StarsKnownSamples, -15, 0, true);
}
});
}
public void TestNegativeXAxialGantryTiltedSlicings()
{
Assert.Ignore("Test assumes certain MPR parameters (slice spacing, pixel spacing) which have changed. Test needs to be rewritten.");
DataSetOrientation orientation = DataSetOrientation.CreateGantryTiltedAboutX(-15);
TestVolume(VolumeFunction.StarsTilted345X,
orientation.Initialize,
volume =>
{
foreach (IVolumeSlicerParams slicing in _slicings)
{
ValidateVolumeSlicePoints(volume, slicing, StarsKnownSamples, -15, 0, true);
}
});
}
public void TestXAxialRotationGantryTiltedVoxelData()
{
const double angle = 30;
DataSetOrientation orientation = DataSetOrientation.CreateGantryTiltedAboutX(angle);
TestVolume(VolumeFunction.Stars,
orientation.Initialize,
volume =>
{
foreach (KnownSample sample in StarsKnownSamples)
{
Vector3D realPoint = sample.Point;
Vector3D paddedPoint = realPoint + new Vector3D(0, (float)(Math.Tan(angle * Math.PI / 180) * (100 - realPoint.Z)), 0);
int actual = volume[(int)paddedPoint.X, (int)paddedPoint.Y, (int)paddedPoint.Z];
Trace.WriteLine(string.Format("Sample {0} @{1} ({2} before padding)", actual, paddedPoint, realPoint));
Assert.AreEqual(sample.Value, actual, "Wrong colour sample @{0} ({1} before padding)", paddedPoint, realPoint);
}
});
}
public XAxialRotationGantryTiledTestVolume(VolumeFunction function, float tiltDegrees) : base(function)
{
_tiltDegrees = tiltDegrees;
_dataSetOrientation = DataSetOrientation.CreateGantryTiltedAboutX(tiltDegrees);
}
public void TestDifferentImageOrientationSource()
{
int n = 0;
// it doesn't really matter what function we use
TestVolume(VolumeFunction.Void, sopDataSource => sopDataSource[DicomTags.ImageOrientationPatient].SetStringValue(DataSetOrientation.CreateGantryTiltedAboutX(n++).ImageOrientationPatient), null);
}