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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 itkMetaSurfaceConverter_hxx
#define itkMetaSurfaceConverter_hxx
namespace itk
{
template <unsigned int VDimension>
auto
MetaSurfaceConverter<VDimension>::CreateMetaObject() -> MetaObjectType *
{
return dynamic_cast<MetaObjectType *>(new SurfaceMetaObjectType);
}
/** Convert a metaSurface into an Surface SpatialObject */
template <unsigned int VDimension>
auto
MetaSurfaceConverter<VDimension>::MetaObjectToSpatialObject(const MetaObjectType * mo) -> SpatialObjectPointer
{
const auto * surfaceMO = dynamic_cast<const SurfaceMetaObjectType *>(mo);
if (surfaceMO == nullptr)
{
itkExceptionMacro("Can't convert MetaObject to MetaSurface");
}
auto surfaceSO = SurfaceSpatialObjectType::New();
surfaceSO->GetProperty().SetName(surfaceMO->Name());
surfaceSO->SetId(surfaceMO->ID());
surfaceSO->SetParentId(surfaceMO->ParentID());
surfaceSO->GetProperty().SetRed(surfaceMO->Color()[0]);
surfaceSO->GetProperty().SetGreen(surfaceMO->Color()[1]);
surfaceSO->GetProperty().SetBlue(surfaceMO->Color()[2]);
surfaceSO->GetProperty().SetAlpha(surfaceMO->Color()[3]);
using SurfacePointType = typename SurfaceSpatialObjectType::SurfacePointType;
auto it2 = surfaceMO->GetPoints().begin();
for (unsigned int identifier = 0; identifier < surfaceMO->GetPoints().size(); ++identifier)
{
SurfacePointType pnt;
using PointType = typename SurfacePointType::PointType;
PointType point;
using CovariantVectorType = typename SurfacePointType::CovariantVectorType;
CovariantVectorType normal;
for (unsigned int ii = 0; ii < VDimension; ++ii)
{
point[ii] = (*it2)->m_X[ii] * surfaceMO->ElementSpacing(ii);
}
for (unsigned int ii = 0; ii < VDimension; ++ii)
{
normal[ii] = (*it2)->m_V[ii];
}
pnt.SetRed((*it2)->m_Color[0]);
pnt.SetGreen((*it2)->m_Color[1]);
pnt.SetBlue((*it2)->m_Color[2]);
pnt.SetAlpha((*it2)->m_Color[3]);
pnt.SetPositionInObjectSpace(point);
pnt.SetNormalInObjectSpace(normal);
surfaceSO->AddPoint(pnt);
++it2;
}
return surfaceSO.GetPointer();
}
/** Convert a Surface SpatialObject into a metaSurface */
template <unsigned int VDimension>
auto
MetaSurfaceConverter<VDimension>::SpatialObjectToMetaObject(const SpatialObjectType * so) -> MetaObjectType *
{
SurfaceSpatialObjectConstPointer surfaceSO = dynamic_cast<const SurfaceSpatialObjectType *>(so);
if (surfaceSO.IsNull())
{
itkExceptionMacro("Can't downcast SpatialObject to SurfaceSpatialObject");
}
auto * surfaceMO = new MetaSurface(VDimension);
// fill in the Surface information
typename SurfaceSpatialObjectType::SurfacePointListType::const_iterator it;
for (it = surfaceSO->GetPoints().begin(); it != surfaceSO->GetPoints().end(); ++it)
{
auto * pnt = new SurfacePnt(VDimension);
for (unsigned int d = 0; d < VDimension; ++d)
{
pnt->m_X[d] = it->GetPositionInObjectSpace()[d];
}
for (unsigned int d = 0; d < VDimension; ++d)
{
pnt->m_V[d] = it->GetNormalInObjectSpace()[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();
surfaceMO->GetPoints().push_back(pnt);
}
if (VDimension == 2)
{
surfaceMO->PointDim("x y v1 v2 red green blue alpha");
}
else if (VDimension == 3)
{
surfaceMO->PointDim("x y z v1 v2 v3 red green blue alpha");
}
float color[4];
for (unsigned int ii = 0; ii < 4; ++ii)
{
color[ii] = surfaceSO->GetProperty().GetColor()[ii];
}
surfaceMO->Color(color);
surfaceMO->ID(surfaceSO->GetId());
if (surfaceSO->GetParent())
{
surfaceMO->ParentID(surfaceSO->GetParent()->GetId());
}
surfaceMO->NPoints(static_cast<int>(surfaceMO->GetPoints().size()));
return surfaceMO;
}
} // end namespace itk
#endif
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