public Point2D PixelSpacing { get; set; }
A Point2D value that represents the image pixel spacing. This property is used when implementing the reference line. This value can be retrieved from the DicomDataSet.
using Leadtools;
using Leadtools.Dicom;
using Leadtools.Medical3D;
using Leadtools.Codecs;
using Leadtools.MedicalViewer;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Core;
using Leadtools.ImageProcessing.Color;
using Leadtools.Annotations.Engine;
using Leadtools.Annotations.Designers;
class MedicalViewerLocalizer : Form
{
private MedicalViewer _medicalViewer;
private MedicalViewerSeriesManager _seriesManager;
void MedicalViewerLocalizer_SizeChanged(object sender, EventArgs e)
{
_medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);
}
public MedicalViewerLocalizer(MedicalViewerSeriesManager output)
{
DicomEngine.Startup();
RasterCodecs _codecs = new RasterCodecs();
this.SizeChanged += new EventHandler(MedicalViewerLocalizer_SizeChanged);
// Create the medical viewer and adjust the size and the location.
_medicalViewer = new MedicalViewer(1, 2);
_medicalViewer.Location = new Point(0, 0);
_medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);
_seriesManager = output;
MedicalViewerMultiCell cell = new MedicalViewerMultiCell(null, true, 1, 1);
int index;
int count = output.Stacks[0].Items.Count;
CodecsImageInfo codecsInformation;
MedicalViewerImageInformation[] imageInformation = new MedicalViewerImageInformation[count];
for (index = 0; index < count; index++)
{
codecsInformation = _codecs.GetInformation((string)(output.Stacks[0].Items[index].Data), true);
imageInformation[index] = new MedicalViewerImageInformation();
imageInformation[index].ImageHeight = codecsInformation.Width;
imageInformation[index].ImageWidth = codecsInformation.Width;
imageInformation[index].XResolution = codecsInformation.XResolution;
imageInformation[index].YResolution = codecsInformation.YResolution;
}
cell.FramesRequested += new EventHandler<MedicalViewerRequestedFramesInformationEventArgs>(cell_FramesRequested);
FormClosing += new FormClosingEventHandler(MedicalViewerLocalizer_FormClosing);
cell.EnableLowMemoryUsage(2, count, imageInformation);
_medicalViewer.Cells.Add(cell);
// add some actions that will be used to change the properties of the images inside the control.
cell.AddAction(MedicalViewerActionType.WindowLevel);
cell.AddAction(MedicalViewerActionType.Alpha);
cell.AddAction(MedicalViewerActionType.Offset);
// assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated.
cell.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active);
cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active);
cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active);
cell.ReferenceLine.Enabled = true;
cell.ReferenceLine.Color = Color.Yellow;
cell.ShowCellBoundaries = true;
// adjust some properties of the cell and add some tags.
_medicalViewer.Cells[0].SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448");
_medicalViewer.Cells[0].SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame);
_medicalViewer.Cells[0].SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale);
_medicalViewer.Cells[0].SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData);
_medicalViewer.Cells[0].SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView);
cell.PixelSpacing = output.Stacks[0].PixelSpacing;
for (index = 0; index < count; index++)
{
cell.SetImagePosition(index, output.Stacks[0].Items[index].ImagePosition, (index == count - 1));
}
cell.ImageOrientation = output.Stacks[0].Items[0].ImageOrientationArray;
cell.FrameOfReferenceUID = output.Stacks[0].Items[0].FrameOfReferenceUID;
cell = new MedicalViewerMultiCell();
DicomDataSet ds = new DicomDataSet();
ds.Load(@"\\pc202\readwritefolder\DICOM Dataset\DICOM Volume datasets" + "\\Miller James-CT Head full Study\\0023\\20345460", DicomDataSetLoadFlags.None);
DicomElement patientElement = null;
patientElement = ds.FindFirstElement(null,
DicomTag.ImagePositionPatient,
true);
double[] doubleArray = ds.GetDoubleValue(patientElement, 0, 3);
cell.SetImagePosition(0, Point3D.FromDoubleArray(doubleArray), true);
patientElement = ds.FindFirstElement(null,
DicomTag.FrameOfReferenceUID,
true);
string referenceUID = ds.GetConvertValue(patientElement);
cell.FrameOfReferenceUID = referenceUID;
patientElement = ds.FindFirstElement(null,
DicomTag.ImageOrientationPatient,
true);
doubleArray = ds.GetDoubleValue(patientElement, 0, 6);
cell.ImageOrientation = new float[] {(float)doubleArray[0], (float)doubleArray[1], (float)doubleArray[2], (float)doubleArray[3], (float)doubleArray[4], (float)doubleArray[5]};
patientElement = ds.FindFirstElement(null,
DicomTag.PixelSpacing,
true);
doubleArray = ds.GetDoubleValue(patientElement, 0, 2);
cell.PixelSpacing = new Point2D((float)doubleArray[0], (float)doubleArray[1]);
cell.ReferenceLine.Enabled = true;
cell.ReferenceLine.Color = Color.LightBlue;
cell.ShowCellBoundaries = true;
cell.Image = ds.GetImage(null, 0, 0, RasterByteOrder.Gray, DicomGetImageFlags.AutoApplyVoiLut | DicomGetImageFlags.AutoApplyModalityLut | DicomGetImageFlags.AllowRangeExpansion);
_medicalViewer.Cells.Add(cell);
Controls.Add(_medicalViewer);
_medicalViewer.Dock = DockStyle.Fill;
DicomEngine.Shutdown();
}
void MedicalViewerLocalizer_FormClosing(object sender, FormClosingEventArgs e)
{
}
void cell_FramesRequested(object sender, MedicalViewerRequestedFramesInformationEventArgs e)
{
MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(sender);
RasterCodecs _codecs = new RasterCodecs();
int i;
RasterImage image;
string fileName;
if (e.RequestedFramesIndexes.Length > 0)
{
fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[0]].Data);
image = _codecs.Load(fileName);
}
else
return;
for (i = 1; i < e.RequestedFramesIndexes.Length; i++)
{
fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[i]].Data);
image.AddPage(_codecs.Load(fileName));
}
cell.SetRequestedImage(image, e.RequestedFramesIndexes, MedicalViewerSetImageOptions.Insert);
}
public MedicalViewer Viewer
{
get { return _medicalViewer; }
}
}
MedicalViewerLocalizer GetMedicalViewerLocalizerControl()
{
MedicalViewerSeriesManagerFrom form = new MedicalViewerSeriesManagerFrom();
MedicalViewerSeriesManager output = form.LoadJamesHead();
return new MedicalViewerLocalizer(output);
}
// This example changes the default window level value by decrease the width by 100. Then resets the images based on the new value.
public void MedicalViewerLocalizerExample()
{
MedicalViewerLocalizer myForm = GetMedicalViewerLocalizerControl();
MedicalViewer medicalViewer = myForm.Viewer;
myForm.ShowDialog();
}
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