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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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
*
* http://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.
*
*=========================================================================*/
// Software Guide : BeginLatex
//
// \index{itk::VesselTubeSpatialObject}
//
// \doxygen{VesselTubeSpatialObject} derives from \doxygen{TubeSpatialObject}.
// It represents a blood vessel segmented from an image.
// A VesselTubeSpatialObject is described as a list of centerline points which
// have a position, a radius, and normals.
//
// Let's start by including the appropriate header file.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
#include "itkVesselTubeSpatialObject.h"
// Software Guide : EndCodeSnippet
int main( int , char *[] )
{
// Software Guide : BeginLatex
//
// VesselTubeSpatialObject is templated over the dimension of the space. A
// VesselTubeSpatialObject contains a list of VesselTubeSpatialObjectPoints.
//
// First we define some type definitions and we create the tube.
//
// Software Guide : EndLatex
unsigned int i;
// Software Guide : BeginCodeSnippet
typedef itk::VesselTubeSpatialObject<3> VesselTubeType;
typedef itk::VesselTubeSpatialObjectPoint<3> VesselTubePointType;
VesselTubeType::Pointer VesselTube = VesselTubeType::New();
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// We create a point list and we set:
// \begin{enumerate}
// \item The position of each point in the local coordinate system using the
// \code{SetPosition()} method.
// \item The radius of the tube at this position using \code{SetRadius()}.
// \item The medialness value describing how the point lies in the middle of the vessel using \code{SetMedialness()}.
// \item The ridgeness value describing how the point lies on the ridge using \code{SetRidgeness()}.
// \item The branchness value describing if the point is a branch point using \code{SetBranchness()}.
// \item The three alpha values corresponding to the eigenvalues of the Hessian
// using \code{SetAlpha1()},\code{SetAlpha2()} and \code{SetAlpha3()}.
// \item The mark value using \code{SetMark()}.
// \item The color of the point is set to red in this example with an opacity of 1.
// \end{enumerate}
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
VesselTubeType::PointListType list;
for (i=0; i<5; ++i)
{
VesselTubePointType p;
p.SetPosition(i,i+1,i+2);
p.SetRadius(1);
p.SetAlpha1(i);
p.SetAlpha2(i+1);
p.SetAlpha3(i+2);
p.SetMedialness(i);
p.SetRidgeness(i);
p.SetBranchness(i);
p.SetMark(true);
p.SetColor(1,0,0,1);
list.push_back(p);
}
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// Next, we create the tube and set its name using \code{SetName()}. We also
// set its identification number with \code{SetId()} and, at the end, we add
// the list of points previously created.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
VesselTube->GetProperty()->SetName("VesselTube");
VesselTube->SetId(1);
VesselTube->SetPoints(list);
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// The \code{GetPoints()} method return a reference to the internal list of
// points of the object.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
VesselTubeType::PointListType pointList = VesselTube->GetPoints();
std::cout << "Number of points representing the blood vessel: ";
std::cout << pointList.size() << std::endl;
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// Then we can access the points using STL iterators. \code{GetPosition()}
// and \code{GetColor()} functions return respectively the position and the
// color of the point.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
VesselTubeType::PointListType::const_iterator
it = VesselTube->GetPoints().begin();
i=0;
while(it != VesselTube->GetPoints().end())
{
std::cout << std::endl;
std::cout << "Point #" << i << std::endl;
std::cout << "Position: " << (*it).GetPosition() << std::endl;
std::cout << "Radius: " << (*it).GetRadius() << std::endl;
std::cout << "Medialness: " << (*it).GetMedialness() << std::endl;
std::cout << "Ridgeness: " << (*it).GetRidgeness() << std::endl;
std::cout << "Branchness: " << (*it).GetBranchness() << std::endl;
std::cout << "Mark: " << (*it).GetMark() << std::endl;
std::cout << "Alpha1: " << (*it).GetAlpha1() << std::endl;
std::cout << "Alpha2: " << (*it).GetAlpha2() << std::endl;
std::cout << "Alpha3: " << (*it).GetAlpha3() << std::endl;
std::cout << "Color = " << (*it).GetColor() << std::endl;
++it;
++i;
}
// Software Guide : EndCodeSnippet
return EXIT_SUCCESS;
}
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