vtkAddonMathUtilities.h

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/*=auto==============================================================================

  Program: 3D Slicer

  See COPYRIGHT.txt
  or http://www.slicer.org/copyright/copyright.txt for details.

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
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  See the License for the specific language governing permissions and
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===============================================================================auto=*/


#ifndef __vtkAddonMathUtilities_h
#define __vtkAddonMathUtilities_h

#include <vtkAddon.h>
#include <vtkObject.h>

class vtkMatrix4x4;
class vtkMatrix3x3;

class VTK_ADDON_EXPORT vtkAddonMathUtilities : public vtkObject
{
public:
  static vtkAddonMathUtilities *New();
  vtkTypeMacro(vtkAddonMathUtilities,vtkObject);
  virtual void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;

  static bool MatrixAreEqual(const vtkMatrix4x4* m1,
                             const vtkMatrix4x4* m2,
                             double tolerance = 1e-3);

  static bool MatrixAreEqual(const vtkMatrix4x4 *m1,
                             const vtkMatrix3x3 *m2,
                             double tolerance = 1e-3);

  static bool MatrixAreEqual(const vtkMatrix3x3 *m1,
                             const vtkMatrix4x4 *m2,
                             double tolerance = 1e-3);

  static bool MatrixAreEqual(const vtkMatrix3x3 *m1,
                             const vtkMatrix3x3 *m2,
                             double tolerance = 1e-3);

  static void GetOrientationMatrix(vtkMatrix4x4* source, vtkMatrix3x3* dest);

  static void SetOrientationMatrix(vtkMatrix3x3* source, vtkMatrix4x4* dest);

  static void NormalizeColumns(vtkMatrix3x3 *m, double scale[3]);

  static void NormalizeOrientationMatrixColumns(vtkMatrix4x4 *m, double scale[3]);

  static std::string ToString(const vtkMatrix4x4* mat, const std::string delimiter = " ", const std::string rowDelimiter = "");

  static bool FromString(vtkMatrix4x4* mat, const std::string& str, const std::string delimiterExp = "(\\ |\\,|\\:|\\;|\t|\n|\\[|\\])");

protected:
  vtkAddonMathUtilities();
  ~vtkAddonMathUtilities();

private:
  vtkAddonMathUtilities(const vtkAddonMathUtilities&);  // Not implemented.
  void operator=(const vtkAddonMathUtilities&);  // Not implemented.
};

#endif