Exemple #1
0
void mitk::BaseGeometry::_SetSpacing(const mitk::Vector3D& aSpacing, bool enforceSetSpacing){
  if(mitk::Equal(m_Spacing, aSpacing) == false || enforceSetSpacing)
  {
    assert(aSpacing[0]>0 && aSpacing[1]>0 && aSpacing[2]>0);

    m_Spacing = aSpacing;

    AffineTransform3D::MatrixType::InternalMatrixType vnlmatrix;

    vnlmatrix = m_IndexToWorldTransform->GetMatrix().GetVnlMatrix();

    mitk::VnlVector col;
    col = vnlmatrix.get_column(0); col.normalize(); col*=aSpacing[0]; vnlmatrix.set_column(0, col);
    col = vnlmatrix.get_column(1); col.normalize(); col*=aSpacing[1]; vnlmatrix.set_column(1, col);
    col = vnlmatrix.get_column(2); col.normalize(); col*=aSpacing[2]; vnlmatrix.set_column(2, col);

    Matrix3D matrix;
    matrix = vnlmatrix;

    AffineTransform3D::Pointer transform = AffineTransform3D::New();
    transform->SetMatrix(matrix);
    transform->SetOffset(m_IndexToWorldTransform->GetOffset());

    SetIndexToWorldTransform(transform.GetPointer());
  }
}
Exemple #2
0
void mitk::BaseGeometry::SetExtentInMM(int direction, ScalarType extentInMM)
{
  mitk::ModifiedLock lock(this);

  ScalarType len = GetExtentInMM(direction);
  if (fabs(len - extentInMM) >= mitk::eps)
  {
    AffineTransform3D::MatrixType::InternalMatrixType vnlmatrix;
    vnlmatrix = m_GeometryTransform->GetVnlMatrix();
    if (len > extentInMM)
      vnlmatrix.set_column(direction, vnlmatrix.get_column(direction) / len * extentInMM);
    else
      vnlmatrix.set_column(direction, vnlmatrix.get_column(direction) * extentInMM / len);
    Matrix3D matrix;
    matrix = vnlmatrix;
    m_GeometryTransform->SetMatrix(matrix);

    Modified();
  }
}