niftkPointUtils.h

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/*=============================================================================

  NifTK: A software platform for medical image computing.

  Copyright (c) University College London (UCL). All rights reserved.

  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE.

  See LICENSE.txt in the top level directory for details.

=============================================================================*/

#ifndef niftkPointUtils_h
#define niftkPointUtils_h

#include "niftkCoreExports.h"
#include <mitkVector.h>
#include <mitkPointSet.h>
#include <vtkMatrix4x4.h>
#include "niftkCoordinateAxesData.h"

namespace niftk {

NIFTKCORE_EXPORT double CalculateStepSize(double *spacing);

NIFTKCORE_EXPORT bool AreDifferent(const mitk::Point3D& a, const mitk::Point3D& b);

NIFTKCORE_EXPORT double GetSquaredDistanceBetweenPoints(const mitk::Point3D& a, const mitk::Point3D& b);

NIFTKCORE_EXPORT double GetRMSErrorBetweenPoints(
  const mitk::PointSet& fixed,
  const mitk::PointSet& moving,
  const CoordinateAxesData * const transform = NULL);

NIFTKCORE_EXPORT void GetDifference(const mitk::Point3D& a, const mitk::Point3D& b, mitk::Point3D& output);

NIFTKCORE_EXPORT double Length(mitk::Point3D& vector);

NIFTKCORE_EXPORT void Normalise(mitk::Point3D& vector);

NIFTKCORE_EXPORT void CopyValues(const mitk::Point3D& a, mitk::Point3D& b);

NIFTKCORE_EXPORT void CrossProduct(const mitk::Point3D& a, const mitk::Point3D& b, mitk::Point3D& c);

NIFTKCORE_EXPORT void ComputeNormalFromPoints(const mitk::Point3D& a, const mitk::Point3D& b, const mitk::Point3D& c, mitk::Point3D& output);

NIFTKCORE_EXPORT double FindLargestDistanceBetweenTwoPoints(const mitk::PointSet& input);

NIFTKCORE_EXPORT int CopyPointSets(const mitk::PointSet& input, mitk::PointSet& output);

NIFTKCORE_EXPORT void ScalePointSets(const mitk::PointSet& input, mitk::PointSet& output, double scaleFactor);

NIFTKCORE_EXPORT int FilterMatchingPoints(
    const mitk::PointSet& fixedPointsIn,
    const mitk::PointSet& movingPointsIn,
    mitk::PointSet& fixedPointsOut,
    mitk::PointSet& movingPointsOut
    );

NIFTKCORE_EXPORT int RemoveNaNPoints(
    const mitk::PointSet& pointsIn,
    mitk::PointSet& pointsOut
    );

NIFTKCORE_EXPORT bool CheckForNaNPoint(
    const mitk::PointSet::PointType& point);

NIFTKCORE_EXPORT void TransformPointByVtkMatrix(
    const vtkMatrix4x4* matrix,
    const bool& isNormal,
    mitk::Point3D& pointOrNormal
    );

NIFTKCORE_EXPORT void TransformPointsByVtkMatrix(
    const mitk::PointSet& input,
    const vtkMatrix4x4& matrix,
    mitk::PointSet& output
    );

NIFTKCORE_EXPORT mitk::Point3D ComputeCentroid(
    const mitk::PointSet& input
    );

}

#endif