public void SetBitmap()
{
if (_bitmap == null)
{
_bitmap = CTSliceHelpers.GetPixelBufferAsBitmap(_ct);
_bitmap.Freeze();
_imageBrush = new ImageBrush();
_imageBrush.ImageSource = _bitmap;
_ModelGroup = new Model3DGroup();
_ModelGroup.Children.Add(new GeometryModel3D(Tessellate(), new DiffuseMaterial(_imageBrush)));
this.Content = _ModelGroup;
_3DModel.Children.Add(this);
}
}
// Helper method to handle the selection change event of the IOD Tree.
// a) In case the selected tree node represents only group information (Patient, SOPClass, Study, Series), the detailed view is cleared.
// b) In case the selected tree node represents an IOD, the DICOM Metainformation is displayed in the DICOM Tag Tree.
// c) In case the selected tree node represents a CT Slice, in addition to the DICOM Metainformation,
// the ImageFlow button, the volume buttons and the bitmap is shown.
private void mIODTree_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
TreeViewItem aSelectedNode = _IODTree.SelectedItem as TreeViewItem;
if (aSelectedNode == null)
{
return;
}
// Clear old content
_DICOMTagTree.Items.Clear();
_Grid.RowDefinitions.First().Height = new GridLength(0);
_Grid.RowDefinitions.Last().Height = new GridLength(0);
IOD anIOD = aSelectedNode.Tag as IOD;
if (anIOD == null)
{
return;
}
// Set the FileName as root node
string aFileName = Path.GetFileName(anIOD.FileName);
TreeViewItem rootNode = new TreeViewItem()
{
Header = string.Format("File: {0}", aFileName)
};
_DICOMTagTree.Items.Add(rootNode);
// Expand the root node
rootNode.IsExpanded = true;
// Add all DICOM attributes to the tree
foreach (XElement xe in anIOD.XDocument.Descendants("DataSet").First().Elements("DataElement"))
{
AddDICOMAttributeToTree(rootNode, xe);
}
// In case the IOD does have a processable pixel data, the ImageFlow button, the volume buttons and the bitmap is shown.
// Otherwise, only the DICOM attributes are shown and the first and last grid row is hided.
if (anIOD.IsPixelDataProcessable())
{
CTSliceInfo ct = _scol.Retrieve(anIOD.FileName);
if (ct == null)
{
ct = new Helper.CTSliceInfo(anIOD.XDocument, anIOD.FileName);
_scol.Add(ct);
}
_Grid.RowDefinitions.First().Height = new GridLength(30);
_Grid.RowDefinitions.Last().Height = new GridLength(ct.RowCount + 16);
_Image.Source = CTSliceHelpers.GetPixelBufferAsBitmap(ct);
_curCT = ct;
}
else
{
_Grid.RowDefinitions.First().Height = new GridLength(0);
_Grid.RowDefinitions.Last().Height = new GridLength(0);
_curCT = null;
}
}
