Method ExportData

IO/SegY/vtkSegYReaderInternal.cxx:288–318

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//------------------------------------------------------------------------------
void vtkSegYReaderInternal::ExportData(
  vtkImageData* imageData, int* extent, double origin[3], double spacing[3][3], int* spacingSign)
{
  imageData->SetExtent(extent);
  imageData->SetOrigin(origin);
  imageData->SetSpacing(
    vtkMath::Norm(spacing[0]), vtkMath::Norm(spacing[1]), vtkMath::Norm(spacing[2]));
  const int* dims = imageData->GetDimensions();

  vtkNew<vtkFloatArray> scalars;
  scalars->SetNumberOfComponents(1);
  scalars->SetNumberOfTuples(dims[0] * dims[1] * dims[2]);
  scalars->SetName("trace");
  imageData->GetPointData()->SetScalars(scalars);
  int id = 0;
  int destK, destJ, destI;
  for (int k = 0; k < dims[2]; ++k)
  {
    destK = (spacingSign[2] > 0 ? k : dims[2] - k - 1);
    for (int j = 0; j < dims[1]; ++j)
    {
      destJ = (spacingSign[1] > 0 ? j : dims[1] - j - 1);
      for (int i = 0; i < dims[0]; ++i)
      {
        destI = (spacingSign[0] > 0 ? i : dims[0] - i - 1);
        vtkSegYTrace* trace = this->Traces[destJ * dims[0] + destI];
        scalars->SetValue(id++, trace ? trace->Data[destK] : 0.0);
      }
    }
  }
}

//------------------------------------------------------------------------------
void vtkSegYReaderInternal::ExportData(