160 lines
6.2 KiB
C
160 lines
6.2 KiB
C
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/*
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*
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* Copyright (C) 2015-2016, Open Connections GmbH
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* All rights reserved. See COPYRIGHT file for details.
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*
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* This software and supporting documentation are maintained by
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*
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* OFFIS e.V.
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* R&D Division Health
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* Escherweg 2
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* D-26121 Oldenburg, Germany
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*
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*
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* Module: dcmfg
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*
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* Author: Michael Onken
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*
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* Purpose: Class for managing Plane Position (Volume) Functional Group
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*
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*/
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#ifndef FGPLANEPOSVOL_H
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#define FGPLANEPOSVOL_H
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#include "dcmtk/config/osconfig.h"
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#include "dcmtk/dcmdata/dcitem.h"
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#include "dcmtk/dcmfg/fgbase.h"
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/** Class representing the Plane Position (Volume) Functional Group that
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* identifies the position of the plane of this frame.
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*/
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class DCMTK_DCMFG_EXPORT FGPlanePositionVolume : public FGBase
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{
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public:
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/** Constructor, creates empty functional group
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*/
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FGPlanePositionVolume();
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/** Virtual destructor, frees memory
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*/
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virtual ~FGPlanePositionVolume();
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/** Returns a deep copy of this object
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* @return Deep copy of this object
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*/
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virtual FGBase *clone() const;
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/** Returns shared type of this functional group (can be shared or per-frame,
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* i.e.\ both)
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* @return Always returns DcmFGTypes::EFGS_BOTH
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*/
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virtual DcmFGTypes::E_FGSharedType getSharedType() const {return DcmFGTypes::EFGS_BOTH;}
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/** Clears all data
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*/
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virtual void clearData();
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/** Check whether data of this functional group is valid
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* @return EC_Normal if data is valid, error otherwise
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*/
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virtual OFCondition check() const;
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/** Read functional group from item, must contain the Plane Position (Volume)
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* Sequence
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* @param item The item to read from
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* @return EC_Normal if reading was successful, error otherwise
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*/
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virtual OFCondition read(DcmItem& item);
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/** Writes functional group to item, i.e.\ writes the Plane Position (Volume)
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* Sequence
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* @param item The item to write to
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* @return EC_Normal if writing was successful, error otherwise
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*/
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virtual OFCondition write(DcmItem& item);
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// --- get() functionality ---
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/** Get Image Position Volume
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* @param value Reference to variable in which the value should be stored
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* @param pos Index of the value to get (0..vm-1)
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* @return EC_Normal if successful, an error code otherwise
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*/
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virtual OFCondition getImagePositionVolume(Float64& value,
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const unsigned long pos = 0);
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/** Retrieve all values of Image Position Volume at the same time
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* @param valueX X coordinate of upper left hand corner voxel in mm
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* @param valueY Y coordinate of upper left hand corner voxel in mm
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* @param valueZ Z coordinate of upper left hand corner voxel in mm
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* @return EC_Normal if successful, an error code otherwise
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*/
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virtual OFCondition getImagePositionVolume(Float64& valueX,
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Float64& valueY,
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Float64& valueZ);
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// --- set() functionality ---
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/** Set Image Position Volume, i.e.\ the x/y/z coordinates of the upper left
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* hand corner (center of the first voxel transmitted) of the frame, in mm.
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* @param value X,Y or Z coordinate of upper left hand corner voxel in mm
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* @param pos pos 0 is x, pos 1 is Y, pos 2 addresses Z coordinate
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* @param checkValue Check 'value'. Not evaluated (here for consistency
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* with other setter functions).
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* @return EC_Normal if successful, an error code otherwise
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*/
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virtual OFCondition setImagePositionVolume(const Float64& value,
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const unsigned long pos = 0,
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const OFBool checkValue = OFTrue);
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/** Set Image Position Volume, i.e.\ the x/y/z coordinates of the upper left
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* hand corner (center of the first voxel transmitted) of the frame, in mm.
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* @param valueX X coordinate of upper left hand corner voxel in mm
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* @param valueY coordinate of upper left hand corner voxel in mm
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* @param valueZ coordinate of upper left hand corner voxel in mm
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* @param checkValue Check 'value'. Not evaluated (here for consistency
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* with other setter functions).
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* @return EC_Normal if successful, an error code otherwise
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*/
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virtual OFCondition setImagePositionVolume(const Float64& valueX,
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const Float64& valueY,
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const Float64& valueZ,
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const OFBool checkValue = OFTrue);
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/** Comparison operator that compares the normalized value of this object
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* with a given object of the same type, i.e.\ the elements within both
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* functional groups (this and rhs parameter) are compared by value!
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* Both objects (this and rhs) need to have the same type (i.e.\ both
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* FGUnknown) to be comparable. This function is used in order
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* to decide whether a functional group already exists, or is new. This
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* is used in particular to find out whether a given functional group
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* can be shared (i.e.\ the same information already exists as shared
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* functional group) or is different from the same shared group. In that
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* case the shared functional group must be distributed into per-frame
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* functional groups, instead. The exact implementation for implementing
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* the comparison is not relevant. However, it must be a comparison
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* by value.
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* @param rhs the right hand side of the comparison
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* @return 0 if the object values are equal.
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* -1 if either the value of the first component that does not match
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* is lower in the this object, or all compared components match
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* but this component is shorter. Also returned if this type and
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* rhs type (DcmFGTypes::E_FGType) do not match.
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* 1 if either the value of the first component that does not match
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* is greater in this object, or all compared components match
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* but this component is longer.
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*/
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virtual int compare(const FGBase& rhs) const;
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private:
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/* Content of Plane Position (Volume) Macro */
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/// Image Position (Volume) (FD, VM 3, Required type 1)
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DcmFloatingPointDouble m_ImagePositionVolume;
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};
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#endif // FGPLANEPOSVOL_H
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