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itkMetaLineConverter.txx
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itkMetaLineConverter.txx
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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkMetaLineConverter.txx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm 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 notices for more information.
=========================================================================*/
#ifndef __MetaLineConverter__txx
#define __MetaLineConverter__txx
#include "itkMetaLineConverter.h"
namespace itk
{
/** Constructor */
template <unsigned int NDimensions>
MetaLineConverter<NDimensions>
::MetaLineConverter()
{
}
/** Convert a metaLine into an Line SpatialObject */
template <unsigned int NDimensions>
typename MetaLineConverter<NDimensions>::SpatialObjectPointer
MetaLineConverter<NDimensions>
::MetaLineToLineSpatialObject(MetaLine * Line)
{
typedef itk::LineSpatialObject<NDimensions> LineSpatialObjectType;
typename LineSpatialObjectType::Pointer line = LineSpatialObjectType::New();
double spacing[NDimensions];
unsigned int ndims = Line->NDims();
for(unsigned int i=0;i<ndims;i++)
{
spacing[i]=Line->ElementSpacing()[i];
}
line->GetIndexToObjectTransform()->SetScaleComponent(spacing);
line->GetProperty()->SetName(Line->Name());
line->SetId(Line->ID());
line->SetParentId(Line->ParentID());
line->GetProperty()->SetRed(Line->Color()[0]);
line->GetProperty()->SetGreen(Line->Color()[1]);
line->GetProperty()->SetBlue(Line->Color()[2]);
line->GetProperty()->SetAlpha(Line->Color()[3]);
typedef itk::LineSpatialObjectPoint<NDimensions> LinePointType;
typedef LinePointType* LinePointPointer;
typedef MetaLine::PointListType ListType;
ListType::iterator it2 = Line->GetPoints().begin();
vnl_vector<double> v(ndims);
for(unsigned int id=0;id< Line->GetPoints().size();id++)
{
LinePointType pnt;
typedef typename LinePointType::PointType PointType;
PointType point;
typedef typename LinePointType::VectorType NormalType;
for(unsigned int i=0;i<ndims;i++)
{
point[i]=(*it2)->m_X[i];
}
pnt.SetPosition(point);
for(unsigned int i=0;i<ndims-1;i++)
{
NormalType normal;
for(unsigned int j=0;j<ndims;j++)
{
normal[j]=(*it2)->m_V[i][j];
}
pnt.SetNormal(normal,i);
}
pnt.SetRed((*it2)->m_Color[0]);
pnt.SetGreen((*it2)->m_Color[1]);
pnt.SetBlue((*it2)->m_Color[2]);
pnt.SetAlpha((*it2)->m_Color[3]);
line->GetPoints().push_back(pnt);
it2++;
}
return line;
}
/** Convert an Line SpatialObject into a metaLine */
template <unsigned int NDimensions>
MetaLine*
MetaLineConverter<NDimensions>
::LineSpatialObjectToMetaLine(SpatialObjectType * spatialObject)
{
MetaLine* Line = new MetaLine(NDimensions);
// fill in the Line information
typename SpatialObjectType::PointListType::const_iterator i;
for(i = dynamic_cast<SpatialObjectType*>(spatialObject)->GetPoints().begin(); i != dynamic_cast<SpatialObjectType*>(spatialObject)->GetPoints().end(); i++)
{
LinePnt* pnt = new LinePnt(NDimensions);
for(unsigned int d=0;d<NDimensions;d++)
{
pnt->m_X[d]=(*i).GetPosition()[d];
}
for(unsigned int n=0;n<NDimensions-1;n++)
{
for(unsigned int d=0;d<NDimensions;d++)
{
pnt->m_V[n][d]=((*i).GetNormal(n))[d];
}
}
pnt->m_Color[0] = (*i).GetRed();
pnt->m_Color[1] = (*i).GetGreen();
pnt->m_Color[2] = (*i).GetBlue();
pnt->m_Color[3] = (*i).GetAlpha();
Line->GetPoints().push_back(pnt);
}
if(NDimensions == 2)
{
Line->PointDim("x y v1x v1y v2x v2y red green blue alpha");
}
else if(NDimensions == 3)
{
Line->PointDim("x y z v1x v1y v1z v2x v2y v2z red green blue alpha");
}
float color[4];
for(unsigned int i=0;i<4;i++)
{
color[i]=spatialObject->GetProperty()->GetColor()[i];
}
Line->Color(color);
Line->ID( spatialObject->GetId());
if(spatialObject->GetParent())
{
Line->ParentID(spatialObject->GetParent()->GetId());
}
Line->NPoints(Line->GetPoints().size());
return Line;
}
/** Read a meta file give the type */
template <unsigned int NDimensions>
typename MetaLineConverter<NDimensions>::SpatialObjectPointer
MetaLineConverter<NDimensions>
::ReadMeta(const char* name)
{
SpatialObjectPointer spatialObject;
MetaLine* Line = new MetaLine();
Line->Read(name);
spatialObject = MetaLineToLineSpatialObject(Line);
return spatialObject;
}
/** Write a meta Line file */
template <unsigned int NDimensions>
bool
MetaLineConverter<NDimensions>
::WriteMeta(SpatialObjectType* spatialObject,const char* name)
{
MetaLine* Line = LineSpatialObjectToMetaLine(spatialObject);
Line->Write(name);
return true;
}
} // end namespace itk
#endif