Method WritePointData

IO/Legacy/vtkDataWriter.cxx:401–560

------------------------------------------------------------------------------ Write the point data (e.g., scalars, vectors, ...) of a vtk dataset. Returns 0 if error.

// Write the point data (e.g., scalars, vectors, ...) of a vtk dataset.
// Returns 0 if error.
int vtkDataWriter::WritePointData(ostream* fp, vtkDataSet* ds)
{
  vtkIdType numPts;
  vtkDataArray* scalars;
  vtkDataArray* vectors;
  vtkDataArray* normals;
  vtkDataArray* tcoords;
  vtkDataArray* tensors;
  vtkDataArray* globalIds;
  vtkAbstractArray* pedigreeIds;
  vtkDataArray* edgeFlags;
  vtkFieldData* field;
  vtkPointData* pd = ds->GetPointData();

  vtkDebugMacro(<< "Writing point data...");

  numPts = ds->GetNumberOfPoints();
  if (numPts <= 0)
  {
    vtkDebugMacro(<< "No point data to write!");
    return 1;
  }

  scalars = pd->GetScalars();
  if (scalars && scalars->GetNumberOfTuples() <= 0)
    scalars = nullptr;

  vectors = pd->GetVectors();
  if (vectors && vectors->GetNumberOfTuples() <= 0)
    vectors = nullptr;

  normals = pd->GetNormals();
  if (normals && normals->GetNumberOfTuples() <= 0)
    normals = nullptr;

  tcoords = pd->GetTCoords();
  if (tcoords && tcoords->GetNumberOfTuples() <= 0)
    tcoords = nullptr;

  tensors = pd->GetTensors();
  if (tensors && tensors->GetNumberOfTuples() <= 0)
    tensors = nullptr;

  globalIds = pd->GetGlobalIds();
  if (globalIds && globalIds->GetNumberOfTuples() <= 0)
    globalIds = nullptr;

  pedigreeIds = pd->GetPedigreeIds();
  if (pedigreeIds && pedigreeIds->GetNumberOfTuples() <= 0)
    pedigreeIds = nullptr;

  edgeFlags = pd->GetAttribute(vtkDataSetAttributes::EDGEFLAG);
  if (edgeFlags && edgeFlags->GetNumberOfTuples() <= 0)
    edgeFlags = nullptr;

  field = pd;
  if (field && field->GetNumberOfTuples() <= 0)
    field = nullptr;