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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkMetaSceneConverter_h
#define itkMetaSceneConverter_h
#include "itkObject.h"
#include "itkDefaultStaticMeshTraits.h"
#include "metaScene.h"
#include "itkMetaEvent.h"
#include "itkSpatialObject.h"
#include "itkMetaConverterBase.h"
#include <string>
#include <map>
namespace itk
{
/**
* \class MetaSceneConverter
* \brief Converts between MetaObject and SpatialObject group.
*
* SpatialObject hierarchies are written to disk using the MetaIO
* library. This class is responsible for converting between MetaIO
* group and SpatialObject group
*
* \sa MetaConverterBase
* \ingroup ITKSpatialObjects
*/
template <unsigned int VDimension = 3,
typename PixelType = unsigned char,
typename TMeshTraits = DefaultStaticMeshTraits<PixelType, VDimension, VDimension>>
class ITK_TEMPLATE_EXPORT MetaSceneConverter : public Object
{
public:
/** standard class type alias */
using Self = MetaSceneConverter;
using Superclass = Object;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(MetaSceneConverter);
/** SpatialObject Scene types */
using SpatialObjectType = itk::SpatialObject<VDimension>;
using SpatialObjectPointer = typename SpatialObjectType::Pointer;
using SpatialObjectConstPointer = typename SpatialObjectType::ConstPointer;
/** Typedef for auxiliary conversion classes */
using MetaConverterBaseType = MetaConverterBase<VDimension>;
using MetaConverterPointer = typename MetaConverterBaseType::Pointer;
using ConverterMapType = std::map<std::string, MetaConverterPointer>;
/** Read a MetaFile and create a Scene SpatialObject. */
SpatialObjectPointer
ReadMeta(const std::string & name);
/** Write out a SpatialObject. */
bool
WriteMeta(const SpatialObjectType * soScene,
const std::string & fileName,
unsigned int depth = SpatialObjectType::MaximumDepth,
const std::string & soName = "");
itkGetMacro(Event, MetaEvent *);
itkSetObjectMacro(Event, MetaEvent);
/** Set if the points should be saved in binary/ASCII */
itkSetMacro(BinaryPoints, bool);
itkGetConstMacro(BinaryPoints, bool);
itkBooleanMacro(BinaryPoints);
/** set/get the precision for writing out numbers as plain text */
itkSetMacro(TransformPrecision, unsigned int);
itkGetMacro(TransformPrecision, unsigned int);
/** Set if the images should be written in different files */
itkSetMacro(WriteImagesInSeparateFile, bool);
itkGetConstMacro(WriteImagesInSeparateFile, bool);
itkBooleanMacro(WriteImagesInSeparateFile);
/** add new SpatialObject/MetaObject converters at runtime
*
* Every Converter is mapped to both a metaObject type name
* and a spatialObject type name -- these need to match what
* gets read from & written to the MetaIO file
*/
void
RegisterMetaConverter(const std::string & metaTypeName,
const std::string & spatialObjectTypeName,
MetaConverterBaseType * converter);
/** Convert a metaScene into a composite SpatialObject
*
* Manages the composite SpatialObject to keep a hierarchy.
*/
MetaScene *
CreateMetaScene(const SpatialObjectType * soScene,
unsigned int depth = SpatialObjectType::MaximumDepth,
const std::string & name = "");
SpatialObjectPointer
CreateSpatialObjectScene(MetaScene * mScene);
protected:
MetaSceneConverter();
~MetaSceneConverter() override = default;
private:
using TransformType = typename SpatialObjectType::TransformType;
using MetaObjectListType = std::list<MetaObject *>;
template <typename TConverter>
MetaObject *
SpatialObjectToMetaObject(SpatialObjectConstPointer & so)
{
auto converter = TConverter::New();
// needed just for Image & ImageMask
converter->SetWriteImagesInSeparateFile(this->m_WriteImagesInSeparateFile);
return converter->SpatialObjectToMetaObject(so);
}
template <typename TConverter>
SpatialObjectPointer
MetaObjectToSpatialObject(const MetaObject * mo)
{
auto converter = TConverter::New();
return converter->MetaObjectToSpatialObject(mo);
}
void
SetTransform(MetaObject * obj, const TransformType * transform);
void
SetTransform(SpatialObjectType * so, const MetaObject * meta);
double m_Orientation[100]{};
double m_Position[10]{};
double m_CenterOfRotation[10]{};
MetaEvent * m_Event{};
bool m_BinaryPoints{};
bool m_WriteImagesInSeparateFile{};
unsigned int m_TransformPrecision{};
ConverterMapType m_ConverterMap{};
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkMetaSceneConverter.hxx"
#endif
#endif
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