/// <summary>
/// Sets this line segment's end points to be the intersection of the <paramref name="sliceImage"/> on the infinite plane of the <paramref name="referenceImage"/>.
/// </summary>
/// <remarks>
/// In practice, a call to this method should have <paramref name="referenceImage"/> being equal to this line's <see cref="Graphic.ParentPresentationImage"/> or,
/// if not, then followed by a call to <see cref="ResliceToolGroup.TranslocateGraphic">translocate</see> the line to the <paramref name="referenceImage"/>.
/// Any other use may constitute a defect involving reference line bounds, and you should thusly inspect your code and explain why this is the case.
/// </remarks>
/// <param name="sliceImage">The slice whose position is controlled by this line.</param>
/// <param name="referenceImage">The image on which the line is (or is to be) defined.</param>
/// <returns>Returns true if a solution exists and the end points were updated.</returns>
public bool SetLine(IPresentationImage sliceImage, IPresentationImage referenceImage)
{
DicomImagePlane sliceImagePlane = DicomImagePlane.FromImage(sliceImage);
DicomImagePlane referenceImagePlane = DicomImagePlane.FromImage(referenceImage);
if (!sliceImagePlane.IsParallelTo(referenceImagePlane, 1f))
{
Vector3D imagePt1 = referenceImagePlane.ConvertToImagePlane(sliceImagePlane.PositionPatientTopLeft);
Vector3D imagePt2 = referenceImagePlane.ConvertToImagePlane(sliceImagePlane.PositionPatientTopRight);
this.Points.SuspendEvents();
this.Points.Clear();
this.Points.Add(referenceImagePlane.ConvertToImage(new PointF(imagePt1.X, imagePt1.Y)));
this.Points.Add(referenceImagePlane.ConvertToImage(new PointF(imagePt2.X, imagePt2.Y)));
this.Points.ResumeEvents();
return(true);
}
return(false);
}
protected static void ValidateVolumeSlicePoints(Volumes.Volume volume, IVolumeSlicerParams slicerParams, IList <KnownSample> expectedPoints,
double xAxialGantryTilt, double yAxialGantryTilt, bool gantryTiltInDegrees)
{
if (gantryTiltInDegrees)
{
xAxialGantryTilt *= Math.PI / 180;
yAxialGantryTilt *= Math.PI / 180;
}
Trace.WriteLine(string.Format("Using slice plane: {0}", slicerParams.Description));
using (VolumeSlicer slicer = new VolumeSlicer(volume, slicerParams))
{
foreach (ISopDataSource slice in slicer.CreateSliceSops())
{
using (ImageSop imageSop = new ImageSop(slice))
{
foreach (IPresentationImage image in PresentationImageFactory.Create(imageSop))
{
IImageGraphicProvider imageGraphicProvider = (IImageGraphicProvider)image;
DicomImagePlane dip = DicomImagePlane.FromImage(image);
foreach (KnownSample sample in expectedPoints)
{
Vector3D patientPoint = sample.Point;
if (xAxialGantryTilt != 0 && yAxialGantryTilt == 0)
{
float cos = (float)Math.Cos(xAxialGantryTilt);
float sin = (float)Math.Sin(xAxialGantryTilt);
patientPoint = new Vector3D(patientPoint.X,
patientPoint.Y * cos + (xAxialGantryTilt > 0 ? 100 * sin : 0),
patientPoint.Z / cos - patientPoint.Y * sin - (xAxialGantryTilt > 0 ? 100 * sin * sin / cos : 0));
}
else if (yAxialGantryTilt != 0)
{
Assert.Fail("Unit test not designed to work with gantry tilts about Y (i.e. slew)");
}
Vector3D slicedPoint = dip.ConvertToImagePlane(patientPoint);
if (slicedPoint.Z > -0.5 && slicedPoint.Z < 0.5)
{
int actual = imageGraphicProvider.ImageGraphic.PixelData.GetPixel((int)slicedPoint.X, (int)slicedPoint.Y);
Trace.WriteLine(string.Format("Sample {0} @{1} (SLICE: {2}; PATIENT: {3})", actual, FormatVector(sample.Point), FormatVector(slicedPoint), FormatVector(patientPoint)));
Assert.AreEqual(sample.Value, actual, "Wrong colour sample @{0}", sample.Point);
}
}
image.Dispose();
}
}
slice.Dispose();
}
}
}