private IEnumerable <SopInstance> GetSopInstances(ImageEntry criteria)
{
try
{
string studyInstanceUid = null, seriesInstanceUid = null;
if (criteria != null && criteria.Image != null)
{
studyInstanceUid = criteria.Image.StudyInstanceUid;
seriesInstanceUid = criteria.Image.SeriesInstanceUid;
}
//This will throw when either Uid parameter is empty.
var series = GetSeries(studyInstanceUid, seriesInstanceUid);
if (series == null)
{
return(new List <SopInstance>());
}
//TODO (Marmot): make extended data queryable, too.
var dicomCriteria = criteria.Image.ToDicomAttributeCollection();
var filters = new SopInstancePropertyFilters(dicomCriteria);
var results = filters.FilterResults(series.GetSopInstances().Cast <SopInstance>());
return(results);
}
catch (Exception e)
{
throw new Exception("An error occurred while performing the image query.", e);
}
}
private List <DicomAttributeCollection> ImageQuery(DicomAttributeCollection queryCriteria)
{
var series = GetSeries(queryCriteria[DicomTags.StudyInstanceUid], queryCriteria[DicomTags.SeriesInstanceUid]);
if (series == null)
{
return(new List <DicomAttributeCollection>());
}
try
{
var filters = new SopInstancePropertyFilters(queryCriteria);
var results = filters.FilterResults(series.GetSopInstances().Cast <SopInstance>());
return(filters.ConvertResultsToDataSets(results));
}
catch (Exception e)
{
throw new Exception("An error occurred while performing the image query.", e);
}
}
