bool LoadDicomFile(string filename)
{
//if (_cancel)
// return false;
using (DicomDataSet ds = new DicomDataSet())
{
ListViewItem item = null;
DicomElement element;
string strTransferSyntax = "";
bool succeeded = true;
try
{
this.Cursor = Cursors.WaitCursor;
ds.Load(filename, DicomDataSetLoadFlags.None);
item = listViewImages.Items.Add(ds.GetValue <string>(DicomTag.PatientName, string.Empty));
item.SubItems.Add(ds.GetValue <string>(DicomTag.PatientID, string.Empty));
item.SubItems.Add(ds.GetValue <string>(DicomTag.StudyID, string.Empty));
item.SubItems.Add(ds.GetValue <string>(DicomTag.Modality, string.Empty));
strTransferSyntax = "Implicit VR - Little Endian";
element = ds.FindFirstElement(null, DicomTag.TransferSyntaxUID, false);
if (element != null && ds.GetElementValueCount(element) > 0)
{
string uidString;
DicomUid uid;
uidString = ds.GetValue <string>(element, string.Empty);
uid = DicomUidTable.Instance.Find(uidString);
if (uid != null)
{
strTransferSyntax = uid.Name;
}
}
}
catch (DicomException de)
{
LogText("Dicom error: " + de.Code.ToString(), filename);
succeeded = false;
}
if (succeeded)
{
// Mark item read if we have a basic directory
if (ds.InformationClass == DicomClassType.BasicDirectory)
{
item.Font = new Font(listViewImages.Font, FontStyle.Bold);
}
item.SubItems.Add(strTransferSyntax);
item.SubItems.Add(filename);
item.Checked = true;
}
this.Cursor = Cursors.Default;
return(succeeded);
}
}
public static int GetCount(this DicomDataSet ds, long tag)
{
DicomElement element = ds.FindFirstElement(null, tag, false);
if (element != null)
{
return(ds.GetElementValueCount(element));
}
return(0);
}
/// <summary>
/// Helper method to get string value from a DICOM dataset.
/// </summary>
/// <param name="dcm">The DICOM dataset.</param>
/// <param name="tag">Dicom tag.</param>
/// <returns>String value of the specified DICOM tag.</returns>
public static string GetStringValue(DicomDataSet dcm, long tag, bool tree)
{
DicomElement element;
element = dcm.FindFirstElement(null, tag, tree);
if (element != null)
{
if (dcm.GetElementValueCount(element) > 0)
{
return(dcm.GetConvertValue(element));
}
}
return("");
}
public static StringCollection GetStringValues(DicomDataSet dcm, long tag)
{
DicomElement element;
StringCollection sc = new StringCollection();
element = dcm.FindFirstElement(null, tag, true);
if (element != null)
{
if (dcm.GetElementValueCount(element) > 0)
{
string s = dcm.GetConvertValue(element);
string[] items = s.Split('\\');
foreach (string value in items)
{
sc.Add(value);
}
}
}
return(sc);
}
/*
* Builds a SQL condition for a list of UIDs.
*/
private string GetUIDCondition(long Tag, string strFieldName)
{
string strRetCondition = "";
try
{
DicomElement element = ds.FindFirstElement(null, Tag, false);
if (element != null)
{
string strUID;
int nUIDsCount = ds.GetElementValueCount(element);
if (nUIDsCount > 0)
{
strRetCondition += " AND (";
for (int i = 0; i < nUIDsCount; i++)
{
strUID = ds.GetStringValue(element, i);
strRetCondition += strFieldName + "='" + strUID + "'";
if (i != nUIDsCount - 1)
{
strRetCondition += " OR ";
}
}
strRetCondition += ")";
}
}
}
catch (Exception ex)
{
server.mf.Log("Error creating UID condition:\r\n\r\n" + ex.ToString());
strRetCondition = "";
}
return(strRetCondition);
}
public static StringCollection GetStringValues(DicomDataSet dcm, long tag)
{
DicomElement element;
StringCollection sc = new StringCollection();
element = dcm.FindFirstElement(null, tag, true);
if(element != null)
{
if(dcm.GetElementValueCount(element) > 0)
{
string s = dcm.GetConvertValue(element);
string[] items = s.Split('\\');
foreach(string value in items)
{
sc.Add(value);
}
}
}
return sc;
}
/// <summary>
/// Helper method to get string value from a DICOM dataset.
/// </summary>
/// <param name="dcm">The DICOM dataset.</param>
/// <param name="tag">Dicom tag.</param>
/// <returns>String value of the specified DICOM tag.</returns>
public static string GetStringValue(DicomDataSet dcm, long tag, bool tree)
{
DicomElement element;
element = dcm.FindFirstElement(null, tag, tree);
if(element != null)
{
if(dcm.GetElementValueCount(element) > 0)
{
return dcm.GetConvertValue(element);
}
}
return "";
}
private void LoadDicomDir(string filename)
{
if (_cancel)
{
return;
}
string pathname = string.Empty;
string refFilename = string.Empty;
DicomElement element = null;
int count = 0;
int totalCount = 0;
int nMod = 1;
string sMsg = string.Empty;
if (!filename.ToUpper().Contains("DICOMDIR"))
{
return;
}
pathname = Path.GetDirectoryName(filename) + "\\";
using (DicomDataSet ds = new DicomDataSet())
{
try
{
this.Cursor = Cursors.WaitCursor;
LogText("Loading DICOMDIR...");
ds.Load(filename, DicomDataSetLoadFlags.None);
// Get the total count
LogText("Getting total count...");
element = ds.FindFirstElement(null, DicomTag.ReferencedFileID, false);
while (element != null)
{
totalCount++;
element = ds.FindNextElement(element, false);
}
if (totalCount >= 20)
{
nMod = 10;
}
// now get the datasets
element = ds.FindFirstElement(null, DicomTag.ReferencedFileID, false);
if (element != null && ds.GetElementValueCount(element) > 0)
{
if (!_cancel)
{
refFilename = ds.GetConvertValue(element);
if (LoadDicomFile(pathname + refFilename))
{
count++;
}
Application.DoEvents();
}
}
while ((refFilename.Length > 0) && (!_cancel))
{
element = ds.FindNextElement(element, false);
if (element != null && ds.GetElementValueCount(element) > 0)
{
refFilename = ds.GetConvertValue(element);
if (LoadDicomFile(pathname + refFilename))
{
count++;
}
Application.DoEvents();
}
else
{
refFilename = "";
}
if (count % nMod == 0)
{
sMsg = string.Format("Loaded {0} of {1} files...", count.ToString(), totalCount.ToString());
LogText(sMsg);
}
}
}
catch (DicomException de)
{
LogText("Dicom error: " + de.Code.ToString() + ": " + filename);
}
}
sMsg = string.Format("Loaded {0} of {1} total files", count.ToString(), totalCount.ToString());
LogText(sMsg);
RefreshList();
this.Cursor = Cursors.Default;
}
/// <summary>
/// Lấy giá trị của một Tag từ DicomDataset của ảnh
/// </summary>
/// <param name="ds"></param>
/// <param name="tag"></param>
/// <returns></returns>
string GetStringValue(DicomDataSet ds, long tag)
{
try
{
if (ds == null) return "";
DicomElement element;
element = ds.FindFirstElement(null, tag, false);
if (element != null)
{
if (ds.GetElementValueCount(element) > 0)
{
return ds.GetConvertValue(element);
}
}
return "";
}
catch
{
return "";
}
}
static void fillOutputWithDicomDataSet(MedicalViewerPageInfo output, DicomDataSet ds)
{
DicomElement elemImagePatientOrientation = ds.FindFirstElement(null, DicomTag.PatientOrientation, true);
DicomElement elemImagePositionPatient = ds.FindFirstElement(null, DicomTag.ImagePositionPatient, true);
DicomElement elemImageOrientationPatient = ds.FindFirstElement(null, DicomTag.ImageOrientationPatient, true);
DicomElement elemImagerPixelSpacing = ds.FindFirstElement(null, DicomTag.ImagerPixelSpacing, true);
DicomElement elemPixelSpacing = ds.FindFirstElement(null, DicomTag.PixelSpacing, true);
DicomElement elemPhotometricInterpretation = ds.FindFirstElement(null, DicomTag.PhotometricInterpretation, true);
if (null != elemPhotometricInterpretation)
{
string photometricInterpretation = ds.GetStringValue(elemPhotometricInterpretation, 0);
output.SupportWindowLevel = photometricInterpretation == "MONOCHROME2" || photometricInterpretation == "MONOCHROME1";
}
if (null != elemImagePatientOrientation)
{
int count = ds.GetElementValueCount(elemImagePatientOrientation);
if (count > 0)
{
output.PatientOrientation = new string[count];
for (int index = 0; index < count; index++)
{
output.PatientOrientation[index] = ds.GetStringValue(elemImagePatientOrientation, index);
}
}
}
if (null != elemImagePositionPatient)
{
output.ImagePositionPatientArray = ds.GetDoubleValue(elemImagePositionPatient, 0, 3);
if (output.ImagePositionPatientArray.Length == 0)
{
output.ImagePositionPatientArray = null;
}
}
if (null != elemImageOrientationPatient)
{
output.ImageOrientationPatientArray = ds.GetDoubleValue(elemImageOrientationPatient, 0, 6);
if (output.ImageOrientationPatientArray.Length == 0)
{
output.ImageOrientationPatientArray = null;
}
}
if (null != elemPixelSpacing)
{
output.PixelSpacingPatientArray = ds.GetDoubleValue(elemPixelSpacing, 0, 2);
if (output.PixelSpacingPatientArray.Length == 0)
{
output.PixelSpacingPatientArray = null;
}
}
else if (null != elemImagerPixelSpacing)
{
output.PixelSpacingPatientArray = ds.GetDoubleValue(elemImagerPixelSpacing, 0, 2);
if (output.PixelSpacingPatientArray.Length == 0)
{
output.PixelSpacingPatientArray = null;
}
}
}
