Method FillMetaData

IO/AMR/vtkAMRFlashReader.cxx:157–207

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
int vtkAMRFlashReader::FillMetaData()
{
  assert("pre: Internal Flash Reader is nullptr" && (this->Internal != nullptr));
  assert("pre: metadata object is nullptr" && (this->Metadata != nullptr));

  this->Internal->ReadMetaData();

  double origin[3];
  std::vector<unsigned int> blocksPerLevel;
  this->ComputeStats(this->Internal, blocksPerLevel, origin);

  this->Metadata->Initialize(blocksPerLevel);
  this->Metadata->SetGridDescription(vtkStructuredData::VTK_STRUCTURED_XYZ_GRID);
  this->Metadata->SetOrigin(origin);

  std::vector<int> b2level;
  b2level.resize(this->Internal->NumberOfLevels + 1, 0);

  for (int i = 0; i < this->Internal->NumberOfBlocks; ++i)
  {
    FlashReaderBlock& theBlock = this->Internal->Blocks[i];

    // Start numbering levels from 0!
    int level = this->Internal->Blocks[i].Level - 1;
    int id = b2level[level];
    int internalIdx = i;
    int* dims = this->Internal->BlockGridDimensions;

    // compute spacing
    double spacing[3];
    for (int d = 0; d < 3; ++d)
    {
      spacing[d] =
        (dims[d] > 1) ? (theBlock.MaxBounds[d] - theBlock.MinBounds[d]) / (dims[d] - 1.0) : 1.0;
    }

    // compute AMRBox
    vtkAMRBox box(
      theBlock.MinBounds, dims, spacing, origin, vtkStructuredData::VTK_STRUCTURED_XYZ_GRID);

    this->Metadata->SetSpacing(level, spacing);
    this->Metadata->SetAMRBox(level, id, box);
    this->Metadata->SetAMRBlockSourceIndex(level, id, internalIdx);

    b2level[level]++;
  } // END for all blocks

  this->SetMaxLevel(this->Internal->NumberOfLevels);

  return (1);
}

//------------------------------------------------------------------------------
vtkUniformGrid* vtkAMRFlashReader::GetAMRGrid(int blockIdx)