Method WriteData

IO/Legacy/vtkStructuredPointsWriter.cxx:18–100

vtkStandardNewMacro(vtkStructuredPointsWriter);

void vtkStructuredPointsWriter::WriteData()
{
  ostream* fp;
  vtkImageData* input = vtkImageData::SafeDownCast(this->GetInput());
  int dim[3];
  int* ext;
  double spacing[3], origin[3];

  vtkDebugMacro(<< "Writing vtk structured points...");

  if (!(fp = this->OpenVTKFile()) || !this->WriteHeader(fp))
  {
    if (fp)
    {
      vtkErrorMacro("Ran out of disk space; deleting file: " << this->FileName);
      this->CloseVTKFile(fp);
      unlink(this->FileName);
    }
    return;
  }
  //
  // Write structured points specific stuff
  //
  *fp << "DATASET STRUCTURED_POINTS\n";

  // Write data owned by the dataset
  if (!this->WriteDataSetData(fp, input))
  {
    vtkErrorMacro("Ran out of disk space; deleting file: " << this->FileName);
    this->CloseVTKFile(fp);
    unlink(this->FileName);
    return;
  }

  if (this->WriteExtent)
  {
    int extent[6];
    input->GetExtent(extent);
    *fp << "EXTENT " << extent[0] << " " << extent[1] << " " << extent[2] << " " << extent[3] << " "
        << extent[4] << " " << extent[5] << "\n";
  }
  else
  {
    input->GetDimensions(dim);
    *fp << "DIMENSIONS " << dim[0] << " " << dim[1] << " " << dim[2] << "\n";
  }

  input->GetSpacing(spacing);
  *fp << "SPACING " << spacing[0] << " " << spacing[1] << " " << spacing[2] << "\n";

  input->GetOrigin(origin);
  if (this->WriteExtent)
  {
    *fp << "ORIGIN " << origin[0] << " " << origin[1] << " " << origin[2] << "\n";
  }
  else
  {
    // Do the electric slide. Move origin to min corner of extent.