Method GrowGrid

Filters/ParallelMPI/vtkStructuredImplicitConnectivity.cxx:1457–1485

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//------------------------------------------------------------------------------
void vtkStructuredImplicitConnectivity::GrowGrid(int dim)
{
  assert("pre: dimension index out-of-bounds!" && (dim >= 0) && (dim <= 2));
  assert("pre: input grid is nullptr!" && this->InputGrid != nullptr);

  // STEP 0: Allocate buffers & associated data-structures
  this->AllocateBuffers(dim);
  assert("pre: CommManager is nullptr!" && (this->CommManager != nullptr));

  // STEP 1: Exchange data
  this->CommManager->Exchange(this->Controller);

  // STEP 4: Unpack data to output grid
  size_t nNeis = this->InputGrid->Neighbors.size();
  for (size_t nei = 0; nei < nNeis; ++nei)
  {
    vtk::detail::ImplicitNeighbor* neiPtr = &(this->InputGrid->Neighbors)[nei];
    int orient = neiPtr->Orientation[dim];
    int neiRank = neiPtr->Rank;

    if (orient == vtk::detail::IntervalsConnect::IMPLICIT_HI)
    {
      unsigned char* buffer = this->CommManager->GetRcvBuffer(neiRank);
      unsigned int size = this->CommManager->GetRcvBufferSize(neiRank);
      this->UnPackData(buffer, size);
    } // END if rcv'ed data

  } // END for all neighbors
}

//------------------------------------------------------------------------------
void vtkStructuredImplicitConnectivity::ExchangeData()