/// <summary>
/// Determines the (untransformed) marker for a particular image edge.
/// </summary>
/// <param name="imageEdge">the edge (image coordinates)</param>
/// <param name="imageOrientationPatient">the direction cosines of the image</param>
/// <returns>a string representation of the direction (a 'marker')</returns>
private string GetMarker(ImageEdge imageEdge, ImageOrientationPatient imageOrientationPatient)
{
bool negativeDirection = (imageEdge == ImageEdge.Left || imageEdge == ImageEdge.Top);
bool rowValues = (imageEdge == ImageEdge.Left || imageEdge == ImageEdge.Right);
string markerText = "";
if (rowValues)
{
ImageOrientationPatient.Directions primary = imageOrientationPatient.GetPrimaryRowDirection(negativeDirection);
ImageOrientationPatient.Directions secondary = imageOrientationPatient.GetSecondaryRowDirection(negativeDirection, 1);
markerText += GetMarkerText(primary);
markerText += GetMarkerText(secondary);
}
else
{
ImageOrientationPatient.Directions primary = imageOrientationPatient.GetPrimaryColumnDirection(negativeDirection);
ImageOrientationPatient.Directions secondary = imageOrientationPatient.GetSecondaryColumnDirection(negativeDirection, 1);
markerText += GetMarkerText(primary);
markerText += GetMarkerText(secondary);
}
return(markerText);
}
public void TestEdges()
{
// See ImageOrientationPatient class for an explanation of the logic in the tests.
//the fact that the row/column cosines aren't orthogonal doesn't matter here, we're just testing the algorithm.
ImageOrientationPatient iop = new ImageOrientationPatient(0, 0, 0, 0, 0, 0);
Assert.IsTrue(iop.GetPrimaryRowDirection(false) == ImageOrientationPatient.Directions.None);
Assert.IsTrue(iop.GetSecondaryRowDirection(false) == ImageOrientationPatient.Directions.None);
Assert.IsTrue(iop.GetPrimaryColumnDirection(false) == ImageOrientationPatient.Directions.None);
Assert.IsTrue(iop.GetSecondaryColumnDirection(false) == ImageOrientationPatient.Directions.None);
iop = new ImageOrientationPatient(0.1, 0.2, 0.7, 0.2, 0.3, 0.5);
Assert.IsTrue(iop.GetPrimaryRowDirection(false) == ImageOrientationPatient.Directions.Head);
Assert.IsTrue(iop.GetSecondaryRowDirection(false) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetPrimaryRowDirection(true) == ImageOrientationPatient.Directions.Foot);
Assert.IsTrue(iop.GetSecondaryRowDirection(true) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetPrimaryColumnDirection(false) == ImageOrientationPatient.Directions.Head);
Assert.IsTrue(iop.GetSecondaryColumnDirection(false) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetPrimaryColumnDirection(true) == ImageOrientationPatient.Directions.Foot);
Assert.IsTrue(iop.GetSecondaryColumnDirection(true) == ImageOrientationPatient.Directions.Anterior);
iop = new ImageOrientationPatient(0.1, -0.2, -0.7, 0.2, -0.3, -0.5);
Assert.IsTrue(iop.GetPrimaryRowDirection(false) == ImageOrientationPatient.Directions.Foot);
Assert.IsTrue(iop.GetSecondaryRowDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetPrimaryRowDirection(true) == ImageOrientationPatient.Directions.Head);
Assert.IsTrue(iop.GetSecondaryRowDirection(true) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetPrimaryColumnDirection(false) == ImageOrientationPatient.Directions.Foot);
Assert.IsTrue(iop.GetSecondaryColumnDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetPrimaryColumnDirection(true) == ImageOrientationPatient.Directions.Head);
Assert.IsTrue(iop.GetSecondaryColumnDirection(true) == ImageOrientationPatient.Directions.Posterior);
iop = new ImageOrientationPatient(0.7, -0.1, -0.2, 0.5, -0.2, -0.3);
Assert.IsTrue(iop.GetPrimaryRowDirection(false) == ImageOrientationPatient.Directions.Left);
Assert.IsTrue(iop.GetSecondaryRowDirection(false) == ImageOrientationPatient.Directions.Foot);
Assert.IsTrue(iop.GetPrimaryRowDirection(true) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetSecondaryRowDirection(true) == ImageOrientationPatient.Directions.Head);
Assert.IsTrue(iop.GetPrimaryColumnDirection(false) == ImageOrientationPatient.Directions.Left);
Assert.IsTrue(iop.GetSecondaryColumnDirection(false) == ImageOrientationPatient.Directions.Foot);
Assert.IsTrue(iop.GetPrimaryColumnDirection(true) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetSecondaryColumnDirection(true) == ImageOrientationPatient.Directions.Head);
iop = new ImageOrientationPatient(-0.2, -0.7, 0.1, -0.3, -0.5, -0.2);
Assert.IsTrue(iop.GetPrimaryRowDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetSecondaryRowDirection(false) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetPrimaryRowDirection(true) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetSecondaryRowDirection(true) == ImageOrientationPatient.Directions.Left);
Assert.IsTrue(iop.GetPrimaryColumnDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetSecondaryColumnDirection(false) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetPrimaryColumnDirection(true) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetSecondaryColumnDirection(true) == ImageOrientationPatient.Directions.Left);
iop = new ImageOrientationPatient(-0.2, -0.7, 0.1, -0.3, -0.5, -0.2);
Assert.IsTrue(iop.GetPrimaryRowDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetSecondaryRowDirection(false) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetPrimaryRowDirection(true) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetSecondaryRowDirection(true) == ImageOrientationPatient.Directions.Left);
Assert.IsTrue(iop.GetPrimaryColumnDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetSecondaryColumnDirection(false) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetPrimaryColumnDirection(true) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetSecondaryColumnDirection(true) == ImageOrientationPatient.Directions.Left);
iop = new ImageOrientationPatient(-0.2, -0.6, 0.2, -0.4, -0.3, -0.3);
Assert.IsTrue(iop.GetPrimaryRowDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetSecondaryRowDirection(false) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetPrimaryRowDirection(true) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetSecondaryRowDirection(true) == ImageOrientationPatient.Directions.Left);
Assert.IsTrue(iop.GetPrimaryColumnDirection(false) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetSecondaryColumnDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetPrimaryColumnDirection(true) == ImageOrientationPatient.Directions.Left);
Assert.IsTrue(iop.GetSecondaryColumnDirection(true) == ImageOrientationPatient.Directions.Posterior);
}
public void TestEdges()
{
// See ImageOrientationPatient class for an explanation of the logic in the tests.
//the fact that the row/column cosines aren't orthogonal doesn't matter here, we're just testing the algorithm.
ImageOrientationPatient iop = new ImageOrientationPatient(0, 0, 0, 0, 0, 0);
Assert.IsTrue(iop.GetPrimaryRowDirection(false) == ImageOrientationPatient.Directions.None);
Assert.IsTrue(iop.GetSecondaryRowDirection(false) == ImageOrientationPatient.Directions.None);
Assert.IsTrue(iop.GetPrimaryColumnDirection(false) == ImageOrientationPatient.Directions.None);
Assert.IsTrue(iop.GetSecondaryColumnDirection(false) == ImageOrientationPatient.Directions.None);
iop = new ImageOrientationPatient(0.1, 0.2, 0.7, 0.2, 0.3, 0.5);
Assert.IsTrue(iop.GetPrimaryRowDirection(false) == ImageOrientationPatient.Directions.Head);
Assert.IsTrue(iop.GetSecondaryRowDirection(false) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetPrimaryRowDirection(true) == ImageOrientationPatient.Directions.Foot);
Assert.IsTrue(iop.GetSecondaryRowDirection(true) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetPrimaryColumnDirection(false) == ImageOrientationPatient.Directions.Head);
Assert.IsTrue(iop.GetSecondaryColumnDirection(false) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetPrimaryColumnDirection(true) == ImageOrientationPatient.Directions.Foot);
Assert.IsTrue(iop.GetSecondaryColumnDirection(true) == ImageOrientationPatient.Directions.Anterior);
iop = new ImageOrientationPatient(0.1, -0.2, -0.7, 0.2, -0.3, -0.5);
Assert.IsTrue(iop.GetPrimaryRowDirection(false) == ImageOrientationPatient.Directions.Foot);
Assert.IsTrue(iop.GetSecondaryRowDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetPrimaryRowDirection(true) == ImageOrientationPatient.Directions.Head);
Assert.IsTrue(iop.GetSecondaryRowDirection(true) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetPrimaryColumnDirection(false) == ImageOrientationPatient.Directions.Foot);
Assert.IsTrue(iop.GetSecondaryColumnDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetPrimaryColumnDirection(true) == ImageOrientationPatient.Directions.Head);
Assert.IsTrue(iop.GetSecondaryColumnDirection(true) == ImageOrientationPatient.Directions.Posterior);
iop = new ImageOrientationPatient(0.7, -0.1, -0.2, 0.5, -0.2, -0.3);
Assert.IsTrue(iop.GetPrimaryRowDirection(false) == ImageOrientationPatient.Directions.Left);
Assert.IsTrue(iop.GetSecondaryRowDirection(false) == ImageOrientationPatient.Directions.Foot);
Assert.IsTrue(iop.GetPrimaryRowDirection(true) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetSecondaryRowDirection(true) == ImageOrientationPatient.Directions.Head);
Assert.IsTrue(iop.GetPrimaryColumnDirection(false) == ImageOrientationPatient.Directions.Left);
Assert.IsTrue(iop.GetSecondaryColumnDirection(false) == ImageOrientationPatient.Directions.Foot);
Assert.IsTrue(iop.GetPrimaryColumnDirection(true) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetSecondaryColumnDirection(true) == ImageOrientationPatient.Directions.Head);
iop = new ImageOrientationPatient(-0.2, -0.7, 0.1, -0.3, -0.5, -0.2);
Assert.IsTrue(iop.GetPrimaryRowDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetSecondaryRowDirection(false) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetPrimaryRowDirection(true) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetSecondaryRowDirection(true) == ImageOrientationPatient.Directions.Left);
Assert.IsTrue(iop.GetPrimaryColumnDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetSecondaryColumnDirection(false) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetPrimaryColumnDirection(true) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetSecondaryColumnDirection(true) == ImageOrientationPatient.Directions.Left);
iop = new ImageOrientationPatient(-0.2, -0.7, 0.1, -0.3, -0.5, -0.2);
Assert.IsTrue(iop.GetPrimaryRowDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetSecondaryRowDirection(false) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetPrimaryRowDirection(true) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetSecondaryRowDirection(true) == ImageOrientationPatient.Directions.Left);
Assert.IsTrue(iop.GetPrimaryColumnDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetSecondaryColumnDirection(false) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetPrimaryColumnDirection(true) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetSecondaryColumnDirection(true) == ImageOrientationPatient.Directions.Left);
iop = new ImageOrientationPatient(-0.2, -0.6, 0.2, -0.4, -0.3, -0.3);
Assert.IsTrue(iop.GetPrimaryRowDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetSecondaryRowDirection(false) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetPrimaryRowDirection(true) == ImageOrientationPatient.Directions.Posterior);
Assert.IsTrue(iop.GetSecondaryRowDirection(true) == ImageOrientationPatient.Directions.Left);
Assert.IsTrue(iop.GetPrimaryColumnDirection(false) == ImageOrientationPatient.Directions.Right);
Assert.IsTrue(iop.GetSecondaryColumnDirection(false) == ImageOrientationPatient.Directions.Anterior);
Assert.IsTrue(iop.GetPrimaryColumnDirection(true) == ImageOrientationPatient.Directions.Left);
Assert.IsTrue(iop.GetSecondaryColumnDirection(true) == ImageOrientationPatient.Directions.Posterior);
}
/// <summary>
/// Determines the (untransformed) marker for a particular image edge.
/// </summary>
/// <param name="imageEdge">the edge (image coordinates)</param>
/// <param name="imageOrientationPatient">the direction cosines of the image</param>
/// <returns>a string representation of the direction (a 'marker')</returns>
private string GetMarker(ImageEdge imageEdge, ImageOrientationPatient imageOrientationPatient)
{
bool negativeDirection = (imageEdge == ImageEdge.Left || imageEdge == ImageEdge.Top);
bool rowValues = (imageEdge == ImageEdge.Left || imageEdge == ImageEdge.Right);
string markerText = "";
if (rowValues)
{
ImageOrientationPatient.Directions primary = imageOrientationPatient.GetPrimaryRowDirection(negativeDirection);
ImageOrientationPatient.Directions secondary = imageOrientationPatient.GetSecondaryRowDirection(negativeDirection, 1);
markerText += GetMarkerText(primary);
markerText += GetMarkerText(secondary);
}
else
{
ImageOrientationPatient.Directions primary = imageOrientationPatient.GetPrimaryColumnDirection(negativeDirection);
ImageOrientationPatient.Directions secondary = imageOrientationPatient.GetSecondaryColumnDirection(negativeDirection, 1);
markerText += GetMarkerText(primary);
markerText += GetMarkerText(secondary);
}
return markerText;
}
