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/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/* this class is designed to help mitigate some of the commonly performed operations on directories.
namely:
1) the ability to determine the number of series in a directory by what type of series is present
2) the ability to find all ct series in a directory
3) the ability to find all mr series in a directory
4) to load a set of DataSets from a series that's already been sorted by the IPP sorter
5) For rtstruct stuff, you need to know the sopinstanceuid of each z plane,
so there's a retrieval function for that
6) then a few other functions for rtstruct writeouts
*/
#include "gdcmDirectory.h"
#include "gdcmDataSet.h"
namespace gdcm
{
class GDCM_EXPORT DirectoryHelper
{
public:
//returns all series UIDs in a given directory that match a particular SOP Instance UID
static Directory::FilenamesType GetSeriesUIDsBySOPClassUID(const std::string& inDirectory,
const std::string& inSOPClassUID);
//specific implementations of the SOPClassUID grabber, so you don't have to
//remember the SOP Class UIDs of CT or MR images.
static Directory::FilenamesType GetCTImageSeriesUIDs(const std::string& inDirectory);
static Directory::FilenamesType GetMRImageSeriesUIDs(const std::string& inDirectory);
static Directory::FilenamesType GetRTStructSeriesUIDs(const std::string& inDirectory);
//given a directory and a series UID, provide all filenames with that series UID.
static Directory::FilenamesType GetFilenamesFromSeriesUIDs(const std::string& inDirectory,
const std::string& inSeriesUID);
//given a series UID, load all the images associated with that series UID
//these images will be IPP sorted, so that they can be used for gathering all
//the necessary information for generating an RTStruct
//this function should be called by the writer once, if the writer's dataset
//vector is empty. Make sure to have a new writer for new rtstructs.
static std::vector<DataSet> LoadImageFromFiles(const std::string& inDirectory,
const std::string& inSeriesUID);
//When writing RTStructs, each contour will have z position defined.
//use that z position to determine the SOPInstanceUID for that plane.
static std::string RetrieveSOPInstanceUIDFromZPosition(double inZPos,
const std::vector<DataSet>& inDS);
//When writing RTStructs, the frame of reference is done by planes to start with
static std::string RetrieveSOPInstanceUIDFromIndex(int inIndex,
const std::vector<DataSet>& inDS);
//each plane needs to know the SOPClassUID, and that won't change from image to image
//so, retrieve this once at the start of writing.
static std::string GetSOPClassUID(const std::vector<DataSet>& inDS);
//retrieve the frame of reference from the set of datasets
static std::string GetFrameOfReference(const std::vector<DataSet>& inDS);
};
}
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