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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 itkMetaLandmarkConverter_hxx
#define itkMetaLandmarkConverter_hxx
namespace itk
{
template <unsigned int VDimension>
auto
MetaLandmarkConverter<VDimension>::CreateMetaObject() -> MetaObjectType *
{
return dynamic_cast<MetaObjectType *>(new LandmarkMetaObjectType);
}
/** Convert a metaLandmark into an Landmark SpatialObject */
template <unsigned int VDimension>
auto
MetaLandmarkConverter<VDimension>::MetaObjectToSpatialObject(const MetaObjectType * mo) -> SpatialObjectPointer
{
const auto * landmarkMO = dynamic_cast<const LandmarkMetaObjectType *>(mo);
if (landmarkMO == nullptr)
{
itkExceptionMacro("Can't convert MetaObject to MetaLandmark");
}
LandmarkSpatialObjectPointer landmarkSO = LandmarkSpatialObjectType::New();
landmarkSO->GetProperty().SetName(landmarkMO->Name());
landmarkSO->SetId(landmarkMO->ID());
landmarkSO->SetParentId(landmarkMO->ParentID());
landmarkSO->GetProperty().SetRed(landmarkMO->Color()[0]);
landmarkSO->GetProperty().SetGreen(landmarkMO->Color()[1]);
landmarkSO->GetProperty().SetBlue(landmarkMO->Color()[2]);
landmarkSO->GetProperty().SetAlpha(landmarkMO->Color()[3]);
using LandmarkPointType = itk::SpatialObjectPoint<VDimension>;
auto it2 = landmarkMO->GetPoints().begin();
for (unsigned int identifier = 0; identifier < landmarkMO->GetPoints().size(); ++identifier)
{
LandmarkPointType pnt;
using PointType = typename LandmarkSpatialObjectType::PointType;
PointType point;
for (unsigned int ii = 0; ii < VDimension; ++ii)
{
point[ii] = (*it2)->m_X[ii] * landmarkMO->ElementSpacing(ii);
}
pnt.SetPositionInObjectSpace(point);
pnt.SetRed((*it2)->m_Color[0]);
pnt.SetGreen((*it2)->m_Color[1]);
pnt.SetBlue((*it2)->m_Color[2]);
pnt.SetAlpha((*it2)->m_Color[3]);
landmarkSO->AddPoint(pnt);
++it2;
}
return landmarkSO.GetPointer();
}
/** Convert a Landmark SpatialObject into a metaLandmark */
template <unsigned int VDimension>
auto
MetaLandmarkConverter<VDimension>::SpatialObjectToMetaObject(const SpatialObjectType * so) -> MetaObjectType *
{
const LandmarkSpatialObjectConstPointer landmarkSO = dynamic_cast<const LandmarkSpatialObjectType *>(so);
if (landmarkSO.IsNull())
{
itkExceptionMacro("Can't downcast SpatialObject to LandmarkSpatialObject");
}
auto * landmarkMO = new MetaLandmark(VDimension);
// fill in the Landmark information
typename LandmarkSpatialObjectType::LandmarkPointListType::const_iterator it;
for (it = landmarkSO->GetPoints().begin(); it != landmarkSO->GetPoints().end(); ++it)
{
auto * pnt = new LandmarkPnt(VDimension);
for (unsigned int d = 0; d < VDimension; ++d)
{
pnt->m_X[d] = it->GetPositionInObjectSpace()[d];
}
pnt->m_Color[0] = it->GetRed();
pnt->m_Color[1] = it->GetGreen();
pnt->m_Color[2] = it->GetBlue();
pnt->m_Color[3] = it->GetAlpha();
landmarkMO->GetPoints().push_back(pnt);
}
if (VDimension == 2)
{
landmarkMO->PointDim("x y red green blue alpha");
}
else
{
landmarkMO->PointDim("x y z red green blue alpha");
}
float color[4];
for (unsigned int ii = 0; ii < 4; ++ii)
{
color[ii] = landmarkSO->GetProperty().GetColor()[ii];
}
landmarkMO->Color(color);
landmarkMO->ID(landmarkSO->GetId());
if (landmarkSO->GetParent())
{
landmarkMO->ParentID(landmarkSO->GetParent()->GetId());
}
landmarkMO->NPoints(static_cast<int>(landmarkMO->GetPoints().size()));
landmarkMO->BinaryData(true);
return landmarkMO;
}
} // end namespace itk
#endif
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